+++ /dev/null
-/*
- * Babeltrace trace converter - parameter parsing
- *
- * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "CLI-CFG-CLI-ARGS"
-#include "logging.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <babeltrace2/assert-internal.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <inttypes.h>
-#include <babeltrace2/babeltrace.h>
-#include <babeltrace2/common-internal.h>
-#include <popt.h>
-#include <glib.h>
-#include <sys/types.h>
-#include "babeltrace2-cfg.h"
-#include "babeltrace2-cfg-cli-args.h"
-#include "babeltrace2-cfg-cli-args-connect.h"
-#include "version.h"
-
-/*
- * Error printf() macro which prepends "Error: " the first time it's
- * called. This gives a nicer feel than having a bunch of error prefixes
- * (since the following lines usually describe the error and possible
- * solutions), or the error prefix just at the end.
- */
-#define printf_err(fmt, args...) \
- do { \
- if (is_first_error) { \
- fprintf(stderr, "Command line error: "); \
- is_first_error = false; \
- } \
- fprintf(stderr, fmt, ##args); \
- } while (0)
-
-static bool is_first_error = true;
-
-/* INI-style parsing FSM states */
-enum ini_parsing_fsm_state {
- /* Expect a map key (identifier) */
- INI_EXPECT_MAP_KEY,
-
- /* Expect an equal character ('=') */
- INI_EXPECT_EQUAL,
-
- /* Expect a value */
- INI_EXPECT_VALUE,
-
- /* Expect a comma character (',') */
- INI_EXPECT_COMMA,
-};
-
-/* INI-style parsing state variables */
-struct ini_parsing_state {
- /* Lexical scanner (owned by this) */
- GScanner *scanner;
-
- /* Output map value object being filled (owned by this) */
- bt_value *params;
-
- /* Next expected FSM state */
- enum ini_parsing_fsm_state expecting;
-
- /* Last decoded map key (owned by this) */
- char *last_map_key;
-
- /* Complete INI-style string to parse (not owned by this) */
- const char *arg;
-
- /* Error buffer (not owned by this) */
- GString *ini_error;
-};
-
-/* Offset option with "is set" boolean */
-struct offset_opt {
- int64_t value;
- bool is_set;
-};
-
-/* Legacy "ctf"/"lttng-live" format options */
-struct ctf_legacy_opts {
- struct offset_opt offset_s;
- struct offset_opt offset_ns;
- bool stream_intersection;
-};
-
-/* Legacy "text" format options */
-struct text_legacy_opts {
- /*
- * output, dbg_info_dir, dbg_info_target_prefix, names,
- * and fields are owned by this.
- */
- GString *output;
- GString *dbg_info_dir;
- GString *dbg_info_target_prefix;
- const bt_value *names;
- const bt_value *fields;
-
- /* Flags */
- bool no_delta;
- bool clock_cycles;
- bool clock_seconds;
- bool clock_date;
- bool clock_gmt;
- bool dbg_info_full_path;
- bool verbose;
-};
-
-/* Legacy input format format */
-enum legacy_input_format {
- LEGACY_INPUT_FORMAT_NONE = 0,
- LEGACY_INPUT_FORMAT_CTF,
- LEGACY_INPUT_FORMAT_LTTNG_LIVE,
-};
-
-/* Legacy output format format */
-enum legacy_output_format {
- LEGACY_OUTPUT_FORMAT_NONE = 0,
- LEGACY_OUTPUT_FORMAT_TEXT,
- LEGACY_OUTPUT_FORMAT_DUMMY,
-};
-
-/*
- * Prints the "out of memory" error.
- */
-static
-void print_err_oom(void)
-{
- printf_err("Out of memory\n");
-}
-
-/*
- * Appends an "expecting token" error to the INI-style parsing state's
- * error buffer.
- */
-static
-void ini_append_error_expecting(struct ini_parsing_state *state,
- GScanner *scanner, const char *expecting)
-{
- size_t i;
- size_t pos;
-
- g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting);
-
- /* Only print error if there's one line */
- if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) {
- return;
- }
-
- g_string_append_printf(state->ini_error, "\n %s\n", state->arg);
- pos = g_scanner_cur_position(scanner) + 4;
-
- if (!g_scanner_eof(scanner)) {
- pos--;
- }
-
- for (i = 0; i < pos; ++i) {
- g_string_append_printf(state->ini_error, " ");
- }
-
- g_string_append_printf(state->ini_error, "^\n\n");
-}
-
-/* Parse the next token as an unsigned integer. */
-static
-bt_value *ini_parse_uint(struct ini_parsing_state *state)
-{
- bt_value *value = NULL;
- GTokenType token_type = g_scanner_get_next_token(state->scanner);
-
- if (token_type != G_TOKEN_INT) {
- ini_append_error_expecting(state, state->scanner,
- "integer value");
- goto end;
- }
-
- value = bt_value_unsigned_integer_create_init(
- state->scanner->value.v_int64);
-
-end:
- return value;
-}
-
-/* Parse the next token as a number and return its negation. */
-static
-bt_value *ini_parse_neg_number(struct ini_parsing_state *state)
-{
- bt_value *value = NULL;
- GTokenType token_type = g_scanner_get_next_token(state->scanner);
-
- switch (token_type) {
- case G_TOKEN_INT:
- {
- /* Negative integer */
- uint64_t int_val = state->scanner->value.v_int64;
-
- if (int_val > (((uint64_t) INT64_MAX) + 1)) {
- g_string_append_printf(state->ini_error,
- "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
- int_val);
- } else {
- value = bt_value_signed_integer_create_init(
- -((int64_t) int_val));
- }
-
- break;
- }
- case G_TOKEN_FLOAT:
- /* Negative floating point number */
- value = bt_value_real_create_init(-state->scanner->value.v_float);
- break;
- default:
- ini_append_error_expecting(state, state->scanner, "value");
- break;
- }
-
- return value;
-}
-
-static bt_value *ini_parse_value(struct ini_parsing_state *state);
-
-/*
- * Parse the current and following tokens as an array. Arrays are formatted as
- * an opening `[`, a list of comma-separated values and a closing `]`. For
- * convenience we support an optional trailing comma, after the last value.
- *
- * The current token of the parser must be the opening square bracket of the
- * array.
- */
-static
-bt_value *ini_parse_array(struct ini_parsing_state *state)
-{
- /* The [ character must have already been ingested. */
- BT_ASSERT(g_scanner_cur_token(state->scanner) == G_TOKEN_CHAR);
- BT_ASSERT(g_scanner_cur_value(state->scanner).v_char == '[');
-
- bt_value *array_value;
- GTokenType token_type;
-
- array_value = bt_value_array_create ();
- token_type = g_scanner_get_next_token(state->scanner);
-
- /* While the current token is not a ]... */
- while (!(token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ']')) {
- /* Parse the item... */
- bt_value *item_value;
- bt_value_status status;
-
- item_value = ini_parse_value(state);
- if (!item_value) {
- goto error;
- }
-
- /* ... and add it to the result array. */
- status = bt_value_array_append_element(array_value, item_value);
- BT_VALUE_PUT_REF_AND_RESET(item_value);
-
- if (status != BT_VALUE_STATUS_OK) {
- goto error;
- }
-
- /*
- * Ingest the token following the value, it should be either a
- * comma or closing square brace.
- */
- token_type = g_scanner_get_next_token(state->scanner);
-
- if (token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ',') {
- /*
- * Ingest the token following the comma. If it happens
- * to be a closing square bracket, we'll exit the loop
- * and we are done (we allow trailing commas).
- * Otherwise, we are ready for the next ini_parse_value call.
- */
- token_type = g_scanner_get_next_token(state->scanner);
- } else if (token_type != G_TOKEN_CHAR || g_scanner_cur_value(state->scanner).v_char != ']') {
- ini_append_error_expecting(state, state->scanner, ", or ]");
- goto error;
- }
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(array_value);
-
-end:
- return array_value;
-}
-
-/*
- * Parse the current token (and the following ones if needed) as a value, return
- * it as a bt_value.
- */
-static
-bt_value *ini_parse_value(struct ini_parsing_state *state)
-{
- bt_value *value = NULL;
- GTokenType token_type = state->scanner->token;
-
- switch (token_type) {
- case G_TOKEN_CHAR:
- if (state->scanner->value.v_char == '-') {
- /* Negative number */
- value = ini_parse_neg_number(state);
- } else if (state->scanner->value.v_char == '+') {
- /* Unsigned integer */
- value = ini_parse_uint(state);
- } else if (state->scanner->value.v_char == '[') {
- /* Array */
- value = ini_parse_array(state);
- } else {
- ini_append_error_expecting(state, state->scanner, "value");
- }
- break;
- case G_TOKEN_INT:
- {
- /* Positive, signed integer */
- uint64_t int_val = state->scanner->value.v_int64;
-
- if (int_val > INT64_MAX) {
- g_string_append_printf(state->ini_error,
- "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
- int_val);
- } else {
- value = bt_value_signed_integer_create_init(
- (int64_t) int_val);
- }
- break;
- }
- case G_TOKEN_FLOAT:
- /* Positive floating point number */
- value = bt_value_real_create_init(state->scanner->value.v_float);
- break;
- case G_TOKEN_STRING:
- /* Quoted string */
- value = bt_value_string_create_init(state->scanner->value.v_string);
- break;
- case G_TOKEN_IDENTIFIER:
- {
- /*
- * Using symbols would be appropriate here,
- * but said symbols are allowed as map key,
- * so it's easier to consider everything an
- * identifier.
- *
- * If one of the known symbols is not
- * recognized here, then fall back to creating
- * a string value.
- */
- const char *id = state->scanner->value.v_identifier;
-
- if (!strcmp(id, "null") || !strcmp(id, "NULL") ||
- !strcmp(id, "nul")) {
- value = bt_value_null;
- } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") ||
- !strcmp(id, "yes") ||
- !strcmp(id, "YES")) {
- value = bt_value_bool_create_init(true);
- } else if (!strcmp(id, "false") ||
- !strcmp(id, "FALSE") ||
- !strcmp(id, "no") ||
- !strcmp(id, "NO")) {
- value = bt_value_bool_create_init(false);
- } else {
- value = bt_value_string_create_init(id);
- }
- break;
- }
- default:
- /* Unset value variable will trigger the error */
- ini_append_error_expecting(state, state->scanner, "value");
- break;
- }
-
- return value;
-}
-
-static
-int ini_handle_state(struct ini_parsing_state *state)
-{
- int ret = 0;
- GTokenType token_type;
- bt_value *value = NULL;
-
- token_type = g_scanner_get_next_token(state->scanner);
- if (token_type == G_TOKEN_EOF) {
- if (state->expecting != INI_EXPECT_COMMA) {
- switch (state->expecting) {
- case INI_EXPECT_EQUAL:
- ini_append_error_expecting(state,
- state->scanner, "'='");
- break;
- case INI_EXPECT_VALUE:
- ini_append_error_expecting(state,
- state->scanner, "value");
- break;
- case INI_EXPECT_MAP_KEY:
- ini_append_error_expecting(state,
- state->scanner, "unquoted map key");
- break;
- default:
- break;
- }
- goto error;
- }
-
- /* We're done! */
- ret = 1;
- goto success;
- }
-
- switch (state->expecting) {
- case INI_EXPECT_MAP_KEY:
- if (token_type != G_TOKEN_IDENTIFIER) {
- ini_append_error_expecting(state, state->scanner,
- "unquoted map key");
- goto error;
- }
-
- free(state->last_map_key);
- state->last_map_key =
- strdup(state->scanner->value.v_identifier);
- if (!state->last_map_key) {
- g_string_append(state->ini_error,
- "Out of memory\n");
- goto error;
- }
-
- if (bt_value_map_has_entry(state->params,
- state->last_map_key)) {
- g_string_append_printf(state->ini_error,
- "Duplicate parameter key: `%s`\n",
- state->last_map_key);
- goto error;
- }
-
- state->expecting = INI_EXPECT_EQUAL;
- goto success;
- case INI_EXPECT_EQUAL:
- if (token_type != G_TOKEN_CHAR) {
- ini_append_error_expecting(state,
- state->scanner, "'='");
- goto error;
- }
-
- if (state->scanner->value.v_char != '=') {
- ini_append_error_expecting(state,
- state->scanner, "'='");
- goto error;
- }
-
- state->expecting = INI_EXPECT_VALUE;
- goto success;
- case INI_EXPECT_VALUE:
- {
- value = ini_parse_value(state);
- if (!value) {
- goto error;
- }
-
- state->expecting = INI_EXPECT_COMMA;
- goto success;
- }
- case INI_EXPECT_COMMA:
- if (token_type != G_TOKEN_CHAR) {
- ini_append_error_expecting(state,
- state->scanner, "','");
- goto error;
- }
-
- if (state->scanner->value.v_char != ',') {
- ini_append_error_expecting(state,
- state->scanner, "','");
- goto error;
- }
-
- state->expecting = INI_EXPECT_MAP_KEY;
- goto success;
- default:
- abort();
- }
-
-error:
- ret = -1;
- goto end;
-
-success:
- if (value) {
- if (bt_value_map_insert_entry(state->params,
- state->last_map_key, value)) {
- /* Only override return value on error */
- ret = -1;
- }
- }
-
-end:
- BT_VALUE_PUT_REF_AND_RESET(value);
- return ret;
-}
-
-/*
- * Converts an INI-style argument to an equivalent map value object.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *bt_value_from_ini(const char *arg,
- GString *ini_error)
-{
- /* Lexical scanner configuration */
- GScannerConfig scanner_config = {
- /* Skip whitespaces */
- .cset_skip_characters = " \t\n",
-
- /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */
- .cset_identifier_first =
- G_CSET_a_2_z
- "_"
- G_CSET_A_2_Z,
- .cset_identifier_nth =
- G_CSET_a_2_z
- "_0123456789-.:"
- G_CSET_A_2_Z,
-
- /* "hello" and "Hello" two different keys */
- .case_sensitive = TRUE,
-
- /* No comments */
- .cpair_comment_single = NULL,
- .skip_comment_multi = TRUE,
- .skip_comment_single = TRUE,
- .scan_comment_multi = FALSE,
-
- /*
- * Do scan identifiers, including 1-char identifiers,
- * but NULL is a normal identifier.
- */
- .scan_identifier = TRUE,
- .scan_identifier_1char = TRUE,
- .scan_identifier_NULL = FALSE,
-
- /*
- * No specific symbols: null and boolean "symbols" are
- * scanned as plain identifiers.
- */
- .scan_symbols = FALSE,
- .symbol_2_token = FALSE,
- .scope_0_fallback = FALSE,
-
- /*
- * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not
- * integers prefixed with "$".
- */
- .scan_binary = TRUE,
- .scan_octal = TRUE,
- .scan_float = TRUE,
- .scan_hex = TRUE,
- .scan_hex_dollar = FALSE,
-
- /* Convert scanned numbers to integer tokens */
- .numbers_2_int = TRUE,
-
- /* Support both integers and floating-point numbers */
- .int_2_float = FALSE,
-
- /* Scan integers as 64-bit signed integers */
- .store_int64 = TRUE,
-
- /* Only scan double-quoted strings */
- .scan_string_sq = FALSE,
- .scan_string_dq = TRUE,
-
- /* Do not converter identifiers to string tokens */
- .identifier_2_string = FALSE,
-
- /* Scan characters as G_TOKEN_CHAR token */
- .char_2_token = FALSE,
- };
- struct ini_parsing_state state = {
- .scanner = NULL,
- .params = NULL,
- .expecting = INI_EXPECT_MAP_KEY,
- .arg = arg,
- .ini_error = ini_error,
- };
-
- state.params = bt_value_map_create();
- if (!state.params) {
- goto error;
- }
-
- state.scanner = g_scanner_new(&scanner_config);
- if (!state.scanner) {
- goto error;
- }
-
- /* Let the scan begin */
- g_scanner_input_text(state.scanner, arg, strlen(arg));
-
- while (true) {
- int ret = ini_handle_state(&state);
-
- if (ret < 0) {
- /* Error */
- goto error;
- } else if (ret > 0) {
- /* Done */
- break;
- }
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(state.params);
-
-end:
- if (state.scanner) {
- g_scanner_destroy(state.scanner);
- }
-
- free(state.last_map_key);
- return state.params;
-}
-
-/*
- * Returns the parameters map value object from a command-line
- * parameter option's argument.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *bt_value_from_arg(const char *arg)
-{
- bt_value *params = NULL;
- GString *ini_error = NULL;
-
- ini_error = g_string_new(NULL);
- if (!ini_error) {
- print_err_oom();
- goto end;
- }
-
- /* Try INI-style parsing */
- params = bt_value_from_ini(arg, ini_error);
- if (!params) {
- printf_err("%s", ini_error->str);
- goto end;
- }
-
-end:
- if (ini_error) {
- g_string_free(ini_error, TRUE);
- }
-
- return params;
-}
-
-/*
- * Returns the plugin name, component class name, component class type,
- * and component name from a command-line --component option's argument.
- * arg must have the following format:
- *
- * [NAME:]TYPE.PLUGIN.CLS
- *
- * where NAME is the optional component name, TYPE is either `source`,
- * `filter`, or `sink`, PLUGIN is the plugin name, and CLS is the
- * component class name.
- *
- * On success, both *plugin and *component are not NULL. *plugin
- * and *comp_cls are owned by the caller. On success, *name can be NULL
- * if no component class name was found, and *comp_cls_type is set.
- */
-static
-void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
- char **comp_cls, bt_component_class_type *comp_cls_type)
-{
- const char *at = arg;
- GString *gs_name = NULL;
- GString *gs_comp_cls_type = NULL;
- GString *gs_plugin = NULL;
- GString *gs_comp_cls = NULL;
- size_t end_pos;
-
- BT_ASSERT(arg);
- BT_ASSERT(plugin);
- BT_ASSERT(comp_cls);
- BT_ASSERT(comp_cls_type);
-
- if (!bt_common_string_is_printable(arg)) {
- printf_err("Argument contains a non-printable character\n");
- goto error;
- }
-
- /* Parse the component name */
- gs_name = bt_common_string_until(at, ".:\\", ":", &end_pos);
- if (!gs_name) {
- goto error;
- }
-
- if (arg[end_pos] == ':') {
- at += end_pos + 1;
- } else {
- /* No name */
- g_string_assign(gs_name, "");
- }
-
- /* Parse the component class type */
- gs_comp_cls_type = bt_common_string_until(at, ".:\\", ".", &end_pos);
- if (!gs_comp_cls_type || at[end_pos] == '\0') {
- printf_err("Missing component class type (`source`, `filter`, or `sink`)\n");
- goto error;
- }
-
- if (strcmp(gs_comp_cls_type->str, "source") == 0 ||
- strcmp(gs_comp_cls_type->str, "src") == 0) {
- *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
- } else if (strcmp(gs_comp_cls_type->str, "filter") == 0 ||
- strcmp(gs_comp_cls_type->str, "flt") == 0) {
- *comp_cls_type = BT_COMPONENT_CLASS_TYPE_FILTER;
- } else if (strcmp(gs_comp_cls_type->str, "sink") == 0) {
- *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SINK;
- } else {
- printf_err("Unknown component class type: `%s`\n",
- gs_comp_cls_type->str);
- goto error;
- }
-
- at += end_pos + 1;
-
- /* Parse the plugin name */
- gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
- if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
- printf_err("Missing plugin or component class name\n");
- goto error;
- }
-
- at += end_pos + 1;
-
- /* Parse the component class name */
- gs_comp_cls = bt_common_string_until(at, ".:\\", ".", &end_pos);
- if (!gs_comp_cls || gs_comp_cls->len == 0) {
- printf_err("Missing component class name\n");
- goto error;
- }
-
- if (at[end_pos] != '\0') {
- /* Found a non-escaped `.` */
- goto error;
- }
-
- if (name) {
- if (gs_name->len == 0) {
- *name = NULL;
- g_string_free(gs_name, TRUE);
- } else {
- *name = gs_name->str;
- g_string_free(gs_name, FALSE);
- }
- } else {
- g_string_free(gs_name, TRUE);
- }
-
- *plugin = gs_plugin->str;
- *comp_cls = gs_comp_cls->str;
- g_string_free(gs_plugin, FALSE);
- g_string_free(gs_comp_cls, FALSE);
- gs_name = NULL;
- gs_plugin = NULL;
- gs_comp_cls = NULL;
- goto end;
-
-error:
- if (name) {
- *name = NULL;
- }
-
- *plugin = NULL;
- *comp_cls = NULL;
-
-end:
- if (gs_name) {
- g_string_free(gs_name, TRUE);
- }
-
- if (gs_plugin) {
- g_string_free(gs_plugin, TRUE);
- }
-
- if (gs_comp_cls) {
- g_string_free(gs_comp_cls, TRUE);
- }
-
- if (gs_comp_cls_type) {
- g_string_free(gs_comp_cls_type, TRUE);
- }
-
- return;
-}
-
-/*
- * Prints the Babeltrace version.
- */
-static
-void print_version(void)
-{
- if (GIT_VERSION[0] == '\0') {
- puts("Babeltrace " VERSION);
- } else {
- puts("Babeltrace " VERSION " - " GIT_VERSION);
- }
-}
-
-/*
- * Destroys a component configuration.
- */
-static
-void bt_config_component_destroy(bt_object *obj)
-{
- struct bt_config_component *bt_config_component =
- container_of(obj, struct bt_config_component, base);
-
- if (!obj) {
- goto end;
- }
-
- if (bt_config_component->plugin_name) {
- g_string_free(bt_config_component->plugin_name, TRUE);
- }
-
- if (bt_config_component->comp_cls_name) {
- g_string_free(bt_config_component->comp_cls_name, TRUE);
- }
-
- if (bt_config_component->instance_name) {
- g_string_free(bt_config_component->instance_name, TRUE);
- }
-
- BT_VALUE_PUT_REF_AND_RESET(bt_config_component->params);
- g_free(bt_config_component);
-
-end:
- return;
-}
-
-/*
- * Creates a component configuration using the given plugin name and
- * component name. `plugin_name` and `comp_cls_name` are copied (belong
- * to the return value).
- *
- * Return value is owned by the caller.
- */
-static
-struct bt_config_component *bt_config_component_create(
- bt_component_class_type type,
- const char *plugin_name, const char *comp_cls_name)
-{
- struct bt_config_component *cfg_component = NULL;
-
- cfg_component = g_new0(struct bt_config_component, 1);
- if (!cfg_component) {
- print_err_oom();
- goto error;
- }
-
- bt_object_init_shared(&cfg_component->base,
- bt_config_component_destroy);
- cfg_component->type = type;
- cfg_component->plugin_name = g_string_new(plugin_name);
- if (!cfg_component->plugin_name) {
- print_err_oom();
- goto error;
- }
-
- cfg_component->comp_cls_name = g_string_new(comp_cls_name);
- if (!cfg_component->comp_cls_name) {
- print_err_oom();
- goto error;
- }
-
- cfg_component->instance_name = g_string_new(NULL);
- if (!cfg_component->instance_name) {
- print_err_oom();
- goto error;
- }
-
- /* Start with empty parameters */
- cfg_component->params = bt_value_map_create();
- if (!cfg_component->params) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
-
-end:
- return cfg_component;
-}
-
-/*
- * Creates a component configuration from a command-line --component
- * option's argument.
- */
-static
-struct bt_config_component *bt_config_component_from_arg(const char *arg)
-{
- struct bt_config_component *cfg_comp = NULL;
- char *name = NULL;
- char *plugin_name = NULL;
- char *comp_cls_name = NULL;
- bt_component_class_type type;
-
- plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name, &type);
- if (!plugin_name || !comp_cls_name) {
- goto error;
- }
-
- cfg_comp = bt_config_component_create(type, plugin_name, comp_cls_name);
- if (!cfg_comp) {
- goto error;
- }
-
- if (name) {
- g_string_assign(cfg_comp->instance_name, name);
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg_comp);
-
-end:
- g_free(name);
- g_free(plugin_name);
- g_free(comp_cls_name);
- return cfg_comp;
-}
-
-/*
- * Destroys a configuration.
- */
-static
-void bt_config_destroy(bt_object *obj)
-{
- struct bt_config *cfg =
- container_of(obj, struct bt_config, base);
-
- if (!obj) {
- goto end;
- }
-
- BT_VALUE_PUT_REF_AND_RESET(cfg->plugin_paths);
-
- switch (cfg->command) {
- case BT_CONFIG_COMMAND_RUN:
- if (cfg->cmd_data.run.sources) {
- g_ptr_array_free(cfg->cmd_data.run.sources, TRUE);
- }
-
- if (cfg->cmd_data.run.filters) {
- g_ptr_array_free(cfg->cmd_data.run.filters, TRUE);
- }
-
- if (cfg->cmd_data.run.sinks) {
- g_ptr_array_free(cfg->cmd_data.run.sinks, TRUE);
- }
-
- if (cfg->cmd_data.run.connections) {
- g_ptr_array_free(cfg->cmd_data.run.connections,
- TRUE);
- }
- break;
- case BT_CONFIG_COMMAND_LIST_PLUGINS:
- break;
- case BT_CONFIG_COMMAND_HELP:
- BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.help.cfg_component);
- break;
- case BT_CONFIG_COMMAND_QUERY:
- BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.query.cfg_component);
-
- if (cfg->cmd_data.query.object) {
- g_string_free(cfg->cmd_data.query.object, TRUE);
- }
- break;
- case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
- if (cfg->cmd_data.print_ctf_metadata.path) {
- g_string_free(cfg->cmd_data.print_ctf_metadata.path,
- TRUE);
- g_string_free(
- cfg->cmd_data.print_ctf_metadata.output_path,
- TRUE);
- }
- break;
- case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
- if (cfg->cmd_data.print_lttng_live_sessions.url) {
- g_string_free(
- cfg->cmd_data.print_lttng_live_sessions.url,
- TRUE);
- g_string_free(
- cfg->cmd_data.print_lttng_live_sessions.output_path,
- TRUE);
- }
- break;
- default:
- abort();
- }
-
- g_free(cfg);
-
-end:
- return;
-}
-
-static
-void destroy_glist_of_gstring(GList *list)
-{
- GList *at;
-
- if (!list) {
- return;
- }
-
- for (at = list; at != NULL; at = g_list_next(at)) {
- g_string_free(at->data, TRUE);
- }
-
- g_list_free(list);
-}
-
-/*
- * Creates a simple lexical scanner for parsing comma-delimited names
- * and fields.
- *
- * Return value is owned by the caller.
- */
-static
-GScanner *create_csv_identifiers_scanner(void)
-{
- GScanner *scanner;
- GScannerConfig scanner_config = {
- .cset_skip_characters = " \t\n",
- .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_",
- .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-",
- .case_sensitive = TRUE,
- .cpair_comment_single = NULL,
- .skip_comment_multi = TRUE,
- .skip_comment_single = TRUE,
- .scan_comment_multi = FALSE,
- .scan_identifier = TRUE,
- .scan_identifier_1char = TRUE,
- .scan_identifier_NULL = FALSE,
- .scan_symbols = FALSE,
- .symbol_2_token = FALSE,
- .scope_0_fallback = FALSE,
- .scan_binary = FALSE,
- .scan_octal = FALSE,
- .scan_float = FALSE,
- .scan_hex = FALSE,
- .scan_hex_dollar = FALSE,
- .numbers_2_int = FALSE,
- .int_2_float = FALSE,
- .store_int64 = FALSE,
- .scan_string_sq = FALSE,
- .scan_string_dq = FALSE,
- .identifier_2_string = FALSE,
- .char_2_token = TRUE,
- };
-
- scanner = g_scanner_new(&scanner_config);
- if (!scanner) {
- print_err_oom();
- }
-
- return scanner;
-}
-
-/*
- * Converts a comma-delimited list of known names (--names option) to
- * an array value object containing those names as string value objects.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *names_from_arg(const char *arg)
-{
- GScanner *scanner = NULL;
- bt_value *names = NULL;
- bool found_all = false, found_none = false, found_item = false;
-
- names = bt_value_array_create();
- if (!names) {
- print_err_oom();
- goto error;
- }
-
- scanner = create_csv_identifiers_scanner();
- if (!scanner) {
- goto error;
- }
-
- g_scanner_input_text(scanner, arg, strlen(arg));
-
- while (true) {
- GTokenType token_type = g_scanner_get_next_token(scanner);
-
- switch (token_type) {
- case G_TOKEN_IDENTIFIER:
- {
- const char *identifier = scanner->value.v_identifier;
-
- if (!strcmp(identifier, "payload") ||
- !strcmp(identifier, "args") ||
- !strcmp(identifier, "arg")) {
- found_item = true;
- if (bt_value_array_append_string_element(names,
- "payload")) {
- goto error;
- }
- } else if (!strcmp(identifier, "context") ||
- !strcmp(identifier, "ctx")) {
- found_item = true;
- if (bt_value_array_append_string_element(names,
- "context")) {
- goto error;
- }
- } else if (!strcmp(identifier, "scope") ||
- !strcmp(identifier, "header")) {
- found_item = true;
- if (bt_value_array_append_string_element(names,
- identifier)) {
- goto error;
- }
- } else if (!strcmp(identifier, "all")) {
- found_all = true;
- if (bt_value_array_append_string_element(names,
- identifier)) {
- goto error;
- }
- } else if (!strcmp(identifier, "none")) {
- found_none = true;
- if (bt_value_array_append_string_element(names,
- identifier)) {
- goto error;
- }
- } else {
- printf_err("Unknown name: `%s`\n",
- identifier);
- goto error;
- }
- break;
- }
- case G_TOKEN_COMMA:
- continue;
- case G_TOKEN_EOF:
- goto end;
- default:
- goto error;
- }
- }
-
-end:
- if (found_none && found_all) {
- printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n");
- goto error;
- }
- /*
- * Legacy behavior is to clear the defaults (show none) when at
- * least one item is specified.
- */
- if (found_item && !found_none && !found_all) {
- if (bt_value_array_append_string_element(names, "none")) {
- goto error;
- }
- }
- if (scanner) {
- g_scanner_destroy(scanner);
- }
- return names;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(names);
- if (scanner) {
- g_scanner_destroy(scanner);
- }
- return names;
-}
-
-/*
- * Converts a comma-delimited list of known fields (--fields option) to
- * an array value object containing those fields as string
- * value objects.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *fields_from_arg(const char *arg)
-{
- GScanner *scanner = NULL;
- bt_value *fields;
-
- fields = bt_value_array_create();
- if (!fields) {
- print_err_oom();
- goto error;
- }
-
- scanner = create_csv_identifiers_scanner();
- if (!scanner) {
- goto error;
- }
-
- g_scanner_input_text(scanner, arg, strlen(arg));
-
- while (true) {
- GTokenType token_type = g_scanner_get_next_token(scanner);
-
- switch (token_type) {
- case G_TOKEN_IDENTIFIER:
- {
- const char *identifier = scanner->value.v_identifier;
-
- if (!strcmp(identifier, "trace") ||
- !strcmp(identifier, "trace:hostname") ||
- !strcmp(identifier, "trace:domain") ||
- !strcmp(identifier, "trace:procname") ||
- !strcmp(identifier, "trace:vpid") ||
- !strcmp(identifier, "loglevel") ||
- !strcmp(identifier, "emf") ||
- !strcmp(identifier, "callsite") ||
- !strcmp(identifier, "all")) {
- if (bt_value_array_append_string_element(fields,
- identifier)) {
- goto error;
- }
- } else {
- printf_err("Unknown field: `%s`\n",
- identifier);
- goto error;
- }
- break;
- }
- case G_TOKEN_COMMA:
- continue;
- case G_TOKEN_EOF:
- goto end;
- default:
- goto error;
- }
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(fields);
-
-end:
- if (scanner) {
- g_scanner_destroy(scanner);
- }
- return fields;
-}
-
-static
-void append_param_arg(GString *params_arg, const char *key, const char *value)
-{
- BT_ASSERT(params_arg);
- BT_ASSERT(key);
- BT_ASSERT(value);
-
- if (params_arg->len != 0) {
- g_string_append_c(params_arg, ',');
- }
-
- g_string_append(params_arg, key);
- g_string_append_c(params_arg, '=');
- g_string_append(params_arg, value);
-}
-
-/*
- * Inserts the equivalent "prefix-NAME=yes" strings into params_arg
- * where the names are in names_array.
- */
-static
-int insert_flat_params_from_array(GString *params_arg,
- const bt_value *names_array, const char *prefix)
-{
- int ret = 0;
- int i;
- GString *tmpstr = NULL, *default_value = NULL;
- bool default_set = false, non_default_set = false;
-
- /*
- * names_array may be NULL if no CLI options were specified to
- * trigger its creation.
- */
- if (!names_array) {
- goto end;
- }
-
- tmpstr = g_string_new(NULL);
- if (!tmpstr) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- default_value = g_string_new(NULL);
- if (!default_value) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < bt_value_array_get_size(names_array); i++) {
- const bt_value *str_obj =
- bt_value_array_borrow_element_by_index_const(names_array,
- i);
- const char *suffix;
- bool is_default = false;
-
- if (!str_obj) {
- printf_err("Unexpected error\n");
- ret = -1;
- goto end;
- }
-
- suffix = bt_value_string_get(str_obj);
-
- g_string_assign(tmpstr, prefix);
- g_string_append(tmpstr, "-");
-
- /* Special-case for "all" and "none". */
- if (!strcmp(suffix, "all")) {
- is_default = true;
- g_string_assign(default_value, "show");
- } else if (!strcmp(suffix, "none")) {
- is_default = true;
- g_string_assign(default_value, "hide");
- }
- if (is_default) {
- default_set = true;
- g_string_append(tmpstr, "default");
- append_param_arg(params_arg, tmpstr->str,
- default_value->str);
- } else {
- non_default_set = true;
- g_string_append(tmpstr, suffix);
- append_param_arg(params_arg, tmpstr->str, "yes");
- }
- }
-
- /* Implicit field-default=hide if any non-default option is set. */
- if (non_default_set && !default_set) {
- g_string_assign(tmpstr, prefix);
- g_string_append(tmpstr, "-default");
- g_string_assign(default_value, "hide");
- append_param_arg(params_arg, tmpstr->str, default_value->str);
- }
-
-end:
- if (default_value) {
- g_string_free(default_value, TRUE);
- }
-
- if (tmpstr) {
- g_string_free(tmpstr, TRUE);
- }
-
- return ret;
-}
-
-/* popt options */
-enum {
- OPT_NONE = 0,
- OPT_BASE_PARAMS,
- OPT_BEGIN,
- OPT_CLOCK_CYCLES,
- OPT_CLOCK_DATE,
- OPT_CLOCK_FORCE_CORRELATE,
- OPT_CLOCK_GMT,
- OPT_CLOCK_OFFSET,
- OPT_CLOCK_OFFSET_NS,
- OPT_CLOCK_SECONDS,
- OPT_COLOR,
- OPT_COMPONENT,
- OPT_CONNECT,
- OPT_DEBUG,
- OPT_DEBUG_INFO,
- OPT_DEBUG_INFO_DIR,
- OPT_DEBUG_INFO_FULL_PATH,
- OPT_DEBUG_INFO_TARGET_PREFIX,
- OPT_END,
- OPT_FIELDS,
- OPT_HELP,
- OPT_INPUT_FORMAT,
- OPT_LIST,
- OPT_NAME,
- OPT_NAMES,
- OPT_NO_DELTA,
- OPT_OMIT_HOME_PLUGIN_PATH,
- OPT_OMIT_SYSTEM_PLUGIN_PATH,
- OPT_OUTPUT,
- OPT_OUTPUT_FORMAT,
- OPT_PARAMS,
- OPT_PATH,
- OPT_PLUGIN_PATH,
- OPT_RESET_BASE_PARAMS,
- OPT_RETRY_DURATION,
- OPT_RUN_ARGS,
- OPT_RUN_ARGS_0,
- OPT_STREAM_INTERSECTION,
- OPT_TIMERANGE,
- OPT_URL,
- OPT_VERBOSE,
-};
-
-enum bt_config_component_dest {
- BT_CONFIG_COMPONENT_DEST_UNKNOWN = -1,
- BT_CONFIG_COMPONENT_DEST_SOURCE,
- BT_CONFIG_COMPONENT_DEST_FILTER,
- BT_CONFIG_COMPONENT_DEST_SINK,
-};
-
-/*
- * Adds a configuration component to the appropriate configuration
- * array depending on the destination.
- */
-static
-void add_run_cfg_comp(struct bt_config *cfg,
- struct bt_config_component *cfg_comp,
- enum bt_config_component_dest dest)
-{
- bt_object_get_ref(cfg_comp);
-
- switch (dest) {
- case BT_CONFIG_COMPONENT_DEST_SOURCE:
- g_ptr_array_add(cfg->cmd_data.run.sources, cfg_comp);
- break;
- case BT_CONFIG_COMPONENT_DEST_FILTER:
- g_ptr_array_add(cfg->cmd_data.run.filters, cfg_comp);
- break;
- case BT_CONFIG_COMPONENT_DEST_SINK:
- g_ptr_array_add(cfg->cmd_data.run.sinks, cfg_comp);
- break;
- default:
- abort();
- }
-}
-
-static
-int add_run_cfg_comp_check_name(struct bt_config *cfg,
- struct bt_config_component *cfg_comp,
- enum bt_config_component_dest dest,
- bt_value *instance_names)
-{
- int ret = 0;
-
- if (cfg_comp->instance_name->len == 0) {
- printf_err("Found an unnamed component\n");
- ret = -1;
- goto end;
- }
-
- if (bt_value_map_has_entry(instance_names,
- cfg_comp->instance_name->str)) {
- printf_err("Duplicate component instance name:\n %s\n",
- cfg_comp->instance_name->str);
- ret = -1;
- goto end;
- }
-
- if (bt_value_map_insert_entry(instance_names,
- cfg_comp->instance_name->str, bt_value_null)) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- add_run_cfg_comp(cfg, cfg_comp, dest);
-
-end:
- return ret;
-}
-
-static
-int append_env_var_plugin_paths(bt_value *plugin_paths)
-{
- int ret = 0;
- const char *envvar;
-
- if (bt_common_is_setuid_setgid()) {
- BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
- goto end;
- }
-
- envvar = getenv("BABELTRACE_PLUGIN_PATH");
- if (!envvar) {
- goto end;
- }
-
- ret = bt_config_append_plugin_paths(plugin_paths, envvar);
-
-end:
- if (ret) {
- printf_err("Cannot append plugin paths from BABELTRACE_PLUGIN_PATH\n");
- }
-
- return ret;
-}
-
-static
-int append_home_and_system_plugin_paths(bt_value *plugin_paths,
- bool omit_system_plugin_path, bool omit_home_plugin_path)
-{
- int ret;
-
- if (!omit_home_plugin_path) {
- if (bt_common_is_setuid_setgid()) {
- BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
- } else {
- char *home_plugin_dir =
- bt_common_get_home_plugin_path();
-
- if (home_plugin_dir) {
- ret = bt_config_append_plugin_paths(
- plugin_paths, home_plugin_dir);
- free(home_plugin_dir);
-
- if (ret) {
- printf_err("Invalid home plugin path\n");
- goto error;
- }
- }
- }
- }
-
- if (!omit_system_plugin_path) {
- if (bt_config_append_plugin_paths(plugin_paths,
- bt_common_get_system_plugin_path())) {
- printf_err("Invalid system plugin path\n");
- goto error;
- }
- }
- return 0;
-error:
- printf_err("Cannot append home and system plugin paths\n");
- return -1;
-}
-
-static
-int append_home_and_system_plugin_paths_cfg(struct bt_config *cfg)
-{
- return append_home_and_system_plugin_paths(cfg->plugin_paths,
- cfg->omit_system_plugin_path, cfg->omit_home_plugin_path);
-}
-
-static
-struct bt_config *bt_config_base_create(enum bt_config_command command,
- const bt_value *initial_plugin_paths,
- bool needs_plugins)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = g_new0(struct bt_config, 1);
- if (!cfg) {
- print_err_oom();
- goto error;
- }
-
- bt_object_init_shared(&cfg->base, bt_config_destroy);
- cfg->command = command;
- cfg->command_needs_plugins = needs_plugins;
-
- if (initial_plugin_paths) {
- bt_value *initial_plugin_paths_copy;
-
- (void) bt_value_copy(initial_plugin_paths,
- &initial_plugin_paths_copy);
- cfg->plugin_paths = initial_plugin_paths_copy;
- } else {
- cfg->plugin_paths = bt_value_array_create();
- if (!cfg->plugin_paths) {
- print_err_oom();
- goto error;
- }
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_run_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_RUN,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.run.sources = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
- if (!cfg->cmd_data.run.sources) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.run.filters = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
- if (!cfg->cmd_data.run.filters) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.run.sinks = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
- if (!cfg->cmd_data.run.sinks) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.run.connections = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_config_connection_destroy);
- if (!cfg->cmd_data.run.connections) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_list_plugins_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_LIST_PLUGINS,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_help_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_HELP,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.help.cfg_component =
- bt_config_component_create(-1, NULL, NULL);
- if (!cfg->cmd_data.help.cfg_component) {
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_query_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_QUERY,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.query.object = g_string_new(NULL);
- if (!cfg->cmd_data.query.object) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_print_ctf_metadata_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.print_ctf_metadata.path = g_string_new(NULL);
- if (!cfg->cmd_data.print_ctf_metadata.path) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.print_ctf_metadata.output_path = g_string_new(NULL);
- if (!cfg->cmd_data.print_ctf_metadata.output_path) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_print_lttng_live_sessions_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.print_lttng_live_sessions.url = g_string_new(NULL);
- if (!cfg->cmd_data.print_lttng_live_sessions.url) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.print_lttng_live_sessions.output_path =
- g_string_new(NULL);
- if (!cfg->cmd_data.print_lttng_live_sessions.output_path) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-int bt_config_append_plugin_paths_check_setuid_setgid(
- bt_value *plugin_paths, const char *arg)
-{
- int ret = 0;
-
- if (bt_common_is_setuid_setgid()) {
- BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
- goto end;
- }
-
- if (bt_config_append_plugin_paths(plugin_paths, arg)) {
- printf_err("Invalid --plugin-path option's argument:\n %s\n",
- arg);
- ret = -1;
- goto end;
- }
-
-end:
- return ret;
-}
-
-/*
- * Prints the expected format for a --params option.
- */
-static
-void print_expected_params_format(FILE *fp)
-{
- fprintf(fp, "Expected format of PARAMS\n");
- fprintf(fp, "-------------------------\n");
- fprintf(fp, "\n");
- fprintf(fp, " PARAM=VALUE[,PARAM=VALUE]...\n");
- fprintf(fp, "\n");
- fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n");
- fprintf(fp, "where PARAM is the parameter name (C identifier plus the [:.-] characters),\n");
- fprintf(fp, "and VALUE can be one of:\n");
- fprintf(fp, "\n");
- fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n");
- fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n");
- fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n");
- fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n");
- fprintf(fp, " (`0x` prefix) unsigned (with `+` prefix) or signed 64-bit integer.\n");
- fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n");
- fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n");
- fprintf(fp, " the null and boolean value symbols above.\n");
- fprintf(fp, "* Double-quoted string (accepts escape characters).\n");
- fprintf(fp, "* Array, formatted as an opening `[`, a list of comma-separated values\n");
- fprintf(fp, " (as described by the current list) and a closing `]`.\n");
- fprintf(fp, "\n");
- fprintf(fp, "You can put whitespaces allowed around individual `=` and `,` symbols.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Example:\n");
- fprintf(fp, "\n");
- fprintf(fp, " many=null, fresh=yes, condition=false, squirrel=-782329,\n");
- fprintf(fp, " play=+23, observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
- fprintf(fp, " escape.chars-are:allowed=\"this is a \\\" double quote\",\n");
- fprintf(fp, " things=[1, \"2\", 3]\n");
- fprintf(fp, "\n");
- fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
- fprintf(fp, "babeltrace2 from a shell.\n");
-}
-
-
-/*
- * Prints the help command usage.
- */
-static
-void print_help_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] help [OPTIONS] PLUGIN\n");
- fprintf(fp, " babeltrace2 [GENERAL OPTIONS] help [OPTIONS] TYPE.PLUGIN.CLS\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace2/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Use `babeltrace2 list-plugins` to show the list of available plugins.\n");
-}
-
-static
-struct poptOption help_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a help
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- int opt;
- int ret;
- struct bt_config *cfg = NULL;
- const char *leftover;
- char *plugin_name = NULL, *comp_cls_name = NULL;
-
- *retcode = 0;
- cfg = bt_config_help_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- help_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_HELP:
- print_help_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- plugin_comp_cls_names(leftover, NULL,
- &plugin_name, &comp_cls_name,
- &cfg->cmd_data.help.cfg_component->type);
- if (plugin_name && comp_cls_name) {
- /* Component class help */
- g_string_assign(
- cfg->cmd_data.help.cfg_component->plugin_name,
- plugin_name);
- g_string_assign(
- cfg->cmd_data.help.cfg_component->comp_cls_name,
- comp_cls_name);
- } else {
- /* Fall back to plugin help */
- g_string_assign(
- cfg->cmd_data.help.cfg_component->plugin_name,
- leftover);
- }
- } else {
- print_help_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- g_free(plugin_name);
- g_free(comp_cls_name);
-
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- return cfg;
-}
-
-/*
- * Prints the help command usage.
- */
-static
-void print_query_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace2 [GEN OPTS] query [OPTS] TYPE.PLUGIN.CLS OBJECT\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace2/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " -p, --params=PARAMS Set the query parameters to PARAMS\n");
- fprintf(fp, " (see the expected format of PARAMS below)\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n\n");
- print_expected_params_format(fp);
-}
-
-static
-struct poptOption query_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a query
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- int opt;
- int ret;
- struct bt_config *cfg = NULL;
- const char *leftover;
- bt_value *params;
-
- params = bt_value_null;
- bt_value_get_ref(bt_value_null);
-
- *retcode = 0;
- cfg = bt_config_query_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- query_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_PARAMS:
- {
- bt_value_put_ref(params);
- params = bt_value_from_arg(arg);
- if (!params) {
- printf_err("Invalid format for --params option's argument:\n %s\n",
- arg);
- goto error;
- }
- break;
- }
- case OPT_HELP:
- print_query_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- /*
- * We need exactly two leftover arguments which are the
- * mandatory component class specification and query object.
- */
- leftover = poptGetArg(pc);
- if (leftover) {
- cfg->cmd_data.query.cfg_component =
- bt_config_component_from_arg(leftover);
- if (!cfg->cmd_data.query.cfg_component) {
- printf_err("Invalid format for component class specification:\n %s\n",
- leftover);
- goto error;
- }
-
- BT_ASSERT(params);
- BT_OBJECT_MOVE_REF(cfg->cmd_data.query.cfg_component->params,
- params);
- } else {
- print_query_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- if (strlen(leftover) == 0) {
- printf_err("Invalid empty object\n");
- goto error;
- }
-
- g_string_assign(cfg->cmd_data.query.object, leftover);
- } else {
- print_query_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- printf_err("Unexpected argument: %s\n", leftover);
- goto error;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- bt_value_put_ref(params);
- free(arg);
- return cfg;
-}
-
-/*
- * Prints the list-plugins command usage.
- */
-static
-void print_list_plugins_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] list-plugins [OPTIONS]\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace2/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Use `babeltrace2 help` to get help for a specific plugin or component class.\n");
-}
-
-static
-struct poptOption list_plugins_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a
- * list-plugins command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_list_plugins_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- int opt;
- int ret;
- struct bt_config *cfg = NULL;
- const char *leftover;
-
- *retcode = 0;
- cfg = bt_config_list_plugins_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- list_plugins_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_HELP:
- print_list_plugins_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- printf_err("Unexpected argument: %s\n", leftover);
- goto error;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- return cfg;
-}
-
-/*
- * Prints the run command usage.
- */
-static
-void print_run_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] run [OPTIONS]\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -b, --base-params=PARAMS Set PARAMS as the current base parameters\n");
- fprintf(fp, " for all the following components until\n");
- fprintf(fp, " --reset-base-params is encountered\n");
- fprintf(fp, " (see the expected format of PARAMS below)\n");
- fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
- fprintf(fp, " Instantiate the component class CLS of type\n");
- fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n");
- fprintf(fp, " in the plugin PLUGIN, add it to the graph,\n");
- fprintf(fp, " and optionally name it NAME (you can also\n");
- fprintf(fp, " specify the name with --name)\n");
- fprintf(fp, " -x, --connect=CONNECTION Connect two created components (see the\n");
- fprintf(fp, " expected format of CONNECTION below)\n");
- fprintf(fp, " -n, --name=NAME Set the name of the current component\n");
- fprintf(fp, " to NAME (must be unique amongst all the\n");
- fprintf(fp, " names of the created components)\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace2/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n");
- fprintf(fp, " current component (see the expected format\n");
- fprintf(fp, " of PARAMS below)\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -r, --reset-base-params Reset the current base parameters to an\n");
- fprintf(fp, " empty map\n");
- fprintf(fp, " --retry-duration=DUR When babeltrace2(1) needs to retry to run\n");
- fprintf(fp, " the graph later, retry in DUR µs\n");
- fprintf(fp, " (default: 100000)\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
- fprintf(fp, "\n\n");
- fprintf(fp, "Expected format of CONNECTION\n");
- fprintf(fp, "-----------------------------\n");
- fprintf(fp, "\n");
- fprintf(fp, " UPSTREAM[.UPSTREAM-PORT]:DOWNSTREAM[.DOWNSTREAM-PORT]\n");
- fprintf(fp, "\n");
- fprintf(fp, "UPSTREAM and DOWNSTREAM are names of the upstream and downstream\n");
- fprintf(fp, "components to connect together. You must escape the following characters\n\n");
- fprintf(fp, "with `\\`: `\\`, `.`, and `:`. You can set the name of the current\n");
- fprintf(fp, "component with the --name option.\n");
- fprintf(fp, "\n");
- fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are optional globbing patterns to\n");
- fprintf(fp, "identify the upstream and downstream ports to use for the connection.\n");
- fprintf(fp, "When the port is not specified, `*` is used.\n");
- fprintf(fp, "\n");
- fprintf(fp, "When a component named UPSTREAM has an available port which matches the\n");
- fprintf(fp, "UPSTREAM-PORT globbing pattern, it is connected to the first port which\n");
- fprintf(fp, "matches the DOWNSTREAM-PORT globbing pattern of the component named\n");
- fprintf(fp, "DOWNSTREAM.\n");
- fprintf(fp, "\n");
- fprintf(fp, "The only special character in UPSTREAM-PORT and DOWNSTREAM-PORT is `*`\n");
- fprintf(fp, "which matches anything. You must escape the following characters\n");
- fprintf(fp, "with `\\`: `\\`, `*`, `?`, `[`, `.`, and `:`.\n");
- fprintf(fp, "\n");
- fprintf(fp, "You can connect a source component to a filter or sink component. You\n");
- fprintf(fp, "can connect a filter component to a sink component.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Examples:\n");
- fprintf(fp, "\n");
- fprintf(fp, " my-src:my-sink\n");
- fprintf(fp, " ctf-fs.*stream*:utils-muxer:*\n");
- fprintf(fp, "\n");
- fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
- fprintf(fp, "babeltrace2 from a shell.\n");
- fprintf(fp, "\n\n");
- print_expected_params_format(fp);
-}
-
-/*
- * Creates a Babeltrace config object from the arguments of a run
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- struct bt_config_component *cur_cfg_comp = NULL;
- enum bt_config_component_dest cur_cfg_comp_dest =
- BT_CONFIG_COMPONENT_DEST_UNKNOWN;
- bt_value *cur_base_params = NULL;
- int opt, ret = 0;
- struct bt_config *cfg = NULL;
- bt_value *instance_names = NULL;
- bt_value *connection_args = NULL;
- char error_buf[256] = { 0 };
- long retry_duration = -1;
- bt_value_status status;
- struct poptOption run_long_options[] = {
- { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
- { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
- { "connect", 'x', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "name", 'n', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL },
- { "retry-duration", '\0', POPT_ARG_LONG, &retry_duration, OPT_RETRY_DURATION, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
- };
-
- *retcode = 0;
-
- if (argc <= 1) {
- print_run_usage(stdout);
- *retcode = -1;
- goto end;
- }
-
- cfg = bt_config_run_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.run.retry_duration_us = 100000;
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- cur_base_params = bt_value_map_create();
- if (!cur_base_params) {
- print_err_oom();
- goto error;
- }
-
- instance_names = bt_value_map_create();
- if (!instance_names) {
- print_err_oom();
- goto error;
- }
-
- connection_args = bt_value_array_create();
- if (!connection_args) {
- print_err_oom();
- goto error;
- }
-
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- run_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_COMPONENT:
- {
- enum bt_config_component_dest new_dest;
-
- if (cur_cfg_comp) {
- ret = add_run_cfg_comp_check_name(cfg,
- cur_cfg_comp, cur_cfg_comp_dest,
- instance_names);
- BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
- if (ret) {
- goto error;
- }
- }
-
- cur_cfg_comp = bt_config_component_from_arg(arg);
- if (!cur_cfg_comp) {
- printf_err("Invalid format for --component option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- switch (cur_cfg_comp->type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
- break;
- default:
- abort();
- }
-
- BT_ASSERT(cur_base_params);
- bt_value_put_ref(cur_cfg_comp->params);
- status = bt_value_copy(cur_base_params,
- &cur_cfg_comp->params);
- if (status != BT_VALUE_STATUS_OK) {
- print_err_oom();
- goto error;
- }
-
- cur_cfg_comp_dest = new_dest;
- break;
- }
- case OPT_PARAMS:
- {
- bt_value *params;
- bt_value *params_to_set;
-
- if (!cur_cfg_comp) {
- printf_err("Cannot add parameters to unavailable component:\n %s\n",
- arg);
- goto error;
- }
-
- params = bt_value_from_arg(arg);
- if (!params) {
- printf_err("Invalid format for --params option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- status = bt_value_map_extend(cur_cfg_comp->params,
- params, ¶ms_to_set);
- BT_VALUE_PUT_REF_AND_RESET(params);
- if (status != BT_VALUE_STATUS_OK) {
- printf_err("Cannot extend current component parameters with --params option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set);
- break;
- }
- case OPT_NAME:
- if (!cur_cfg_comp) {
- printf_err("Cannot set the name of unavailable component:\n %s\n",
- arg);
- goto error;
- }
-
- g_string_assign(cur_cfg_comp->instance_name, arg);
- break;
- case OPT_BASE_PARAMS:
- {
- bt_value *params =
- bt_value_from_arg(arg);
-
- if (!params) {
- printf_err("Invalid format for --base-params option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- BT_OBJECT_MOVE_REF(cur_base_params, params);
- break;
- }
- case OPT_RESET_BASE_PARAMS:
- BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
- cur_base_params = bt_value_map_create();
- if (!cur_base_params) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_CONNECT:
- if (bt_value_array_append_string_element(
- connection_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_RETRY_DURATION:
- if (retry_duration < 0) {
- printf_err("--retry-duration option's argument must be positive or 0: %ld\n",
- retry_duration);
- goto error;
- }
-
- cfg->cmd_data.run.retry_duration_us =
- (uint64_t) retry_duration;
- break;
- case OPT_HELP:
- print_run_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- /* This command does not accept leftover arguments */
- if (poptPeekArg(pc)) {
- printf_err("Unexpected argument: %s\n", poptPeekArg(pc));
- goto error;
- }
-
- /* Add current component */
- if (cur_cfg_comp) {
- ret = add_run_cfg_comp_check_name(cfg, cur_cfg_comp,
- cur_cfg_comp_dest, instance_names);
- BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
- if (ret) {
- goto error;
- }
- }
-
- if (cfg->cmd_data.run.sources->len == 0) {
- printf_err("Incomplete graph: no source component\n");
- goto error;
- }
-
- if (cfg->cmd_data.run.sinks->len == 0) {
- printf_err("Incomplete graph: no sink component\n");
- goto error;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- ret = bt_config_cli_args_create_connections(cfg,
- connection_args,
- error_buf, 256);
- if (ret) {
- printf_err("Cannot creation connections:\n%s", error_buf);
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
- BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
- BT_VALUE_PUT_REF_AND_RESET(instance_names);
- BT_VALUE_PUT_REF_AND_RESET(connection_args);
- return cfg;
-}
-
-static
-struct bt_config *bt_config_run_from_args_array(const bt_value *run_args,
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg = NULL;
- const char **argv;
- int64_t i, len;
- const size_t argc = bt_value_array_get_size(run_args) + 1;
-
- argv = calloc(argc, sizeof(*argv));
- if (!argv) {
- print_err_oom();
- goto end;
- }
-
- argv[0] = "run";
-
- len = bt_value_array_get_size(run_args);
- if (len < 0) {
- printf_err("Invalid executable arguments\n");
- goto end;
- }
- for (i = 0; i < len; i++) {
- const bt_value *arg_value =
- bt_value_array_borrow_element_by_index_const(run_args,
- i);
- const char *arg;
-
- BT_ASSERT(arg_value);
- arg = bt_value_string_get(arg_value);
- BT_ASSERT(arg);
- argv[i + 1] = arg;
- }
-
- cfg = bt_config_run_from_args(argc, argv, retcode,
- force_omit_system_plugin_path, force_omit_home_plugin_path,
- initial_plugin_paths);
-
-end:
- free(argv);
- return cfg;
-}
-
-/*
- * Prints the convert command usage.
- */
-static
-void print_convert_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] [convert] [OPTIONS] [PATH/URL]\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
- fprintf(fp, " Instantiate the component class CLS of type\n");
- fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n");
- fprintf(fp, " in the plugin PLUGIN, add it to the\n");
- fprintf(fp, " conversion graph, and optionally name it\n");
- fprintf(fp, " NAME (you can also specify the name with\n");
- fprintf(fp, " --name)\n");
- fprintf(fp, " --name=NAME Set the name of the current component\n");
- fprintf(fp, " to NAME (must be unique amongst all the\n");
- fprintf(fp, " names of the created components)\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace2/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n");
- fprintf(fp, " current component (see the expected format\n");
- fprintf(fp, " of PARAMS below)\n");
- fprintf(fp, " -P, --path=PATH Set the `path` string parameter of the\n");
- fprintf(fp, " current component to PATH\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " --retry-duration=DUR When babeltrace2(1) needs to retry to run\n");
- fprintf(fp, " the graph later, retry in DUR µs\n");
- fprintf(fp, " (default: 100000)\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " --run-args Print the equivalent arguments for the\n");
- fprintf(fp, " `run` command to the standard output,\n");
- fprintf(fp, " formatted for a shell, and quit\n");
- fprintf(fp, " --run-args-0 Print the equivalent arguments for the\n");
- fprintf(fp, " `run` command to the standard output,\n");
- fprintf(fp, " formatted for `xargs -0`, and quit\n");
- fprintf(fp, " --stream-intersection Only process events when all streams\n");
- fprintf(fp, " are active\n");
- fprintf(fp, " -u, --url=URL Set the `url` string parameter of the\n");
- fprintf(fp, " current component to URL\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `source.ctf.fs` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --clock-offset=SEC Set clock offset to SEC seconds\n");
- fprintf(fp, " --clock-offset-ns=NS Set clock offset to NS ns\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `sink.text.pretty` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --clock-cycles Print timestamps in clock cycles\n");
- fprintf(fp, " --clock-date Print timestamp dates\n");
- fprintf(fp, " --clock-gmt Print and parse timestamps in the GMT\n");
- fprintf(fp, " time zone instead of the local time zone\n");
- fprintf(fp, " --clock-seconds Print the timestamps as `SEC.NS` instead\n");
- fprintf(fp, " of `hh:mm:ss.nnnnnnnnn`\n");
- fprintf(fp, " --color=(never | auto | always)\n");
- fprintf(fp, " Never, automatically, or always emit\n");
- fprintf(fp, " console color codes\n");
- fprintf(fp, " -f, --fields=FIELD[,FIELD]... Print additional fields; FIELD can be:\n");
- fprintf(fp, " `all`, `trace`, `trace:hostname`,\n");
- fprintf(fp, " `trace:domain`, `trace:procname`,\n");
- fprintf(fp, " `trace:vpid`, `loglevel`, `emf`\n");
- fprintf(fp, " -n, --names=NAME[,NAME]... Print field names; NAME can be:\n");
- fprintf(fp, " `payload` (or `arg` or `args`), `none`,\n");
- fprintf(fp, " `all`, `scope`, `header`, `context`\n");
- fprintf(fp, " (or `ctx`)\n");
- fprintf(fp, " --no-delta Do not print time delta between\n");
- fprintf(fp, " consecutive events\n");
- fprintf(fp, " -w, --output=PATH Write output text to PATH instead of\n");
- fprintf(fp, " the standard output\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `filter.utils.muxer` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --clock-force-correlate Assume that clocks are inherently\n");
- fprintf(fp, " correlated across traces\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -b, --begin=BEGIN Set the beginning time of the conversion\n");
- fprintf(fp, " time range to BEGIN (see the format of\n");
- fprintf(fp, " BEGIN below)\n");
- fprintf(fp, " -e, --end=END Set the end time of the conversion time\n");
- fprintf(fp, " range to END (see the format of END below)\n");
- fprintf(fp, " -t, --timerange=TIMERANGE Set conversion time range to TIMERANGE:\n");
- fprintf(fp, " BEGIN,END or [BEGIN,END] (literally `[` and\n");
- fprintf(fp, " `]`) (see the format of BEGIN/END below)\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `filter.lttng-utils.debug-info` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --debug-info Create an implicit\n");
- fprintf(fp, " `filter.lttng-utils.debug-info` component\n");
- fprintf(fp, " --debug-info-dir=DIR Search for debug info in directory DIR\n");
- fprintf(fp, " instead of `/usr/lib/debug`\n");
- fprintf(fp, " --debug-info-full-path Show full debug info source and\n");
- fprintf(fp, " binary paths instead of just names\n");
- fprintf(fp, " --debug-info-target-prefix=DIR\n");
- fprintf(fp, " Use directory DIR as a prefix when\n");
- fprintf(fp, " looking up executables during debug\n");
- fprintf(fp, " info analysis\n");
- fprintf(fp, "\n");
- fprintf(fp, "Legacy options that still work:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -i, --input-format=(ctf | lttng-live)\n");
- fprintf(fp, " `ctf`:\n");
- fprintf(fp, " Create an implicit `source.ctf.fs`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `lttng-live`:\n");
- fprintf(fp, " Create an implicit `source.ctf.lttng-live`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " -o, --output-format=(text | ctf | dummy | ctf-metadata)\n");
- fprintf(fp, " `text`:\n");
- fprintf(fp, " Create an implicit `sink.text.pretty`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `ctf`:\n");
- fprintf(fp, " Create an implicit `sink.ctf.fs`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `dummy`:\n");
- fprintf(fp, " Create an implicit `sink.utils.dummy`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `ctf-metadata`:\n");
- fprintf(fp, " Query the `source.ctf.fs` component class\n");
- fprintf(fp, " for metadata text and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
- fprintf(fp, "\n\n");
- fprintf(fp, "Format of BEGIN and END\n");
- fprintf(fp, "-----------------------\n");
- fprintf(fp, "\n");
- fprintf(fp, " [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n");
- fprintf(fp, "\n\n");
- print_expected_params_format(fp);
-}
-
-static
-struct poptOption convert_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "begin", 'b', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL },
- { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
- { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
- { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
- { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
- { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
- { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
- { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
- { "color", '\0', POPT_ARG_STRING, NULL, OPT_COLOR, NULL, NULL },
- { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
- { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
- { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
- { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
- { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
- { "end", 'e', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL },
- { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
- { "name", '\0', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
- { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
- { "debug-info", '\0', POPT_ARG_NONE, NULL, OPT_DEBUG_INFO, NULL, NULL },
- { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT, NULL, NULL },
- { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
- { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
- { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { "retry-duration", '\0', POPT_ARG_STRING, NULL, OPT_RETRY_DURATION, NULL, NULL },
- { "run-args", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS, NULL, NULL },
- { "run-args-0", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS_0, NULL, NULL },
- { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
- { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL },
- { "url", 'u', POPT_ARG_STRING, NULL, OPT_URL, NULL, NULL },
- { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-static
-GString *get_component_auto_name(const char *prefix,
- const bt_value *existing_names)
-{
- unsigned int i = 0;
- GString *auto_name = g_string_new(NULL);
-
- if (!auto_name) {
- print_err_oom();
- goto end;
- }
-
- if (!bt_value_map_has_entry(existing_names, prefix)) {
- g_string_assign(auto_name, prefix);
- goto end;
- }
-
- do {
- g_string_printf(auto_name, "%s-%d", prefix, i);
- i++;
- } while (bt_value_map_has_entry(existing_names, auto_name->str));
-
-end:
- return auto_name;
-}
-
-struct implicit_component_args {
- bool exists;
- GString *comp_arg;
- GString *name_arg;
- GString *params_arg;
- bt_value *extra_params;
-};
-
-static
-int assign_name_to_implicit_component(struct implicit_component_args *args,
- const char *prefix, bt_value *existing_names,
- GList **comp_names, bool append_to_comp_names)
-{
- int ret = 0;
- GString *name = NULL;
-
- if (!args->exists) {
- goto end;
- }
-
- name = get_component_auto_name(prefix,
- existing_names);
-
- if (!name) {
- ret = -1;
- goto end;
- }
-
- g_string_assign(args->name_arg, name->str);
-
- if (bt_value_map_insert_entry(existing_names, name->str,
- bt_value_null)) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- if (append_to_comp_names) {
- *comp_names = g_list_append(*comp_names, name);
- name = NULL;
- }
-
-end:
- if (name) {
- g_string_free(name, TRUE);
- }
-
- return ret;
-}
-
-static
-int append_run_args_for_implicit_component(
- struct implicit_component_args *impl_args,
- bt_value *run_args)
-{
- int ret = 0;
- size_t i;
-
- if (!impl_args->exists) {
- goto end;
- }
-
- if (bt_value_array_append_string_element(run_args, "--component")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, impl_args->comp_arg->str)) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, "--name")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, impl_args->name_arg->str)) {
- print_err_oom();
- goto error;
- }
-
- if (impl_args->params_arg->len > 0) {
- if (bt_value_array_append_string_element(run_args, "--params")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args,
- impl_args->params_arg->str)) {
- print_err_oom();
- goto error;
- }
- }
-
- for (i = 0; i < bt_value_array_get_size(impl_args->extra_params);
- i++) {
- const bt_value *elem;
- const char *arg;
-
- elem = bt_value_array_borrow_element_by_index(impl_args->extra_params,
- i);
- if (!elem) {
- goto error;
- }
-
- BT_ASSERT(bt_value_is_string(elem));
- arg = bt_value_string_get(elem);
- ret = bt_value_array_append_string_element(run_args, arg);
- if (ret) {
- print_err_oom();
- goto error;
- }
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-static
-void finalize_implicit_component_args(struct implicit_component_args *args)
-{
- BT_ASSERT(args);
-
- if (args->comp_arg) {
- g_string_free(args->comp_arg, TRUE);
- }
-
- if (args->name_arg) {
- g_string_free(args->name_arg, TRUE);
- }
-
- if (args->params_arg) {
- g_string_free(args->params_arg, TRUE);
- }
-
- bt_value_put_ref(args->extra_params);
-}
-
-static
-int init_implicit_component_args(struct implicit_component_args *args,
- const char *comp_arg, bool exists)
-{
- int ret = 0;
-
- args->exists = exists;
- args->comp_arg = g_string_new(comp_arg);
- args->name_arg = g_string_new(NULL);
- args->params_arg = g_string_new(NULL);
- args->extra_params = bt_value_array_create();
-
- if (!args->comp_arg || !args->name_arg ||
- !args->params_arg || !args->extra_params) {
- ret = -1;
- finalize_implicit_component_args(args);
- print_err_oom();
- goto end;
- }
-
-end:
- return ret;
-}
-
-static
-void append_implicit_component_param(struct implicit_component_args *args,
- const char *key, const char *value)
-{
- BT_ASSERT(args);
- BT_ASSERT(key);
- BT_ASSERT(value);
- append_param_arg(args->params_arg, key, value);
-}
-
-/* Escape value to make it suitable to use as a string parameter value. */
-static
-gchar *escape_string_value(const char *value)
-{
- GString *ret;
- const char *in;
-
- ret = g_string_new(NULL);
- if (!ret) {
- print_err_oom();
- goto end;
- }
-
- in = value;
- while (*in) {
- switch (*in) {
- case '"':
- case '\\':
- g_string_append_c(ret, '\\');
- break;
- }
-
- g_string_append_c(ret, *in);
-
- in++;
- }
-
-end:
- return g_string_free(ret, FALSE);
-}
-
-static
-int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf)
-{
- BT_ASSERT(buf);
-
- int ret = -1;
-
- switch (bt_value_get_type(value)) {
- case BT_VALUE_TYPE_STRING:
- {
- const char *str_value = bt_value_string_get(value);
- gchar *escaped_str_value;
-
- escaped_str_value = escape_string_value(str_value);
- if (!escaped_str_value) {
- goto end;
- }
-
- g_string_append_printf(buf, "\"%s\"", escaped_str_value);
-
- g_free(escaped_str_value);
- break;
- }
- case BT_VALUE_TYPE_ARRAY: {
- g_string_append_c(buf, '[');
- uint64_t sz = bt_value_array_get_size(value);
- for (uint64_t i = 0; i < sz; i++) {
- const bt_value *item;
- int ret;
-
- if (i > 0) {
- g_string_append(buf, ", ");
- }
-
- item = bt_value_array_borrow_element_by_index_const(
- value, i);
- ret = bt_value_to_cli_param_value_append(item, buf);
-
- if (ret) {
- goto end;
- }
- }
- g_string_append_c(buf, ']');
- break;
- }
- default:
- abort();
- }
-
- ret = 0;
-
-end:
- return ret;
-}
-
-/*
- * Convert `value` to its equivalent representation as a command line parameter
- * value.
- */
-
-static
-gchar *bt_value_to_cli_param_value(bt_value *value)
-{
- GString *buf;
- gchar *result = NULL;
-
- buf = g_string_new(NULL);
- if (!buf) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_to_cli_param_value_append(value, buf)) {
- goto error;
- }
-
- result = g_string_free(buf, FALSE);
- buf = NULL;
-
- goto end;
-
-error:
- if (buf) {
- g_string_free(buf, TRUE);
- }
-
-end:
- return result;
-}
-
-static
-int append_parameter_to_args(bt_value *args, const char *key, bt_value *value)
-{
- BT_ASSERT(args);
- BT_ASSERT(bt_value_get_type(args) == BT_VALUE_TYPE_ARRAY);
- BT_ASSERT(key);
- BT_ASSERT(value);
-
- int ret = 0;
- gchar *str_value = NULL;
- GString *parameter = NULL;
-
- if (bt_value_array_append_string_element(args, "--params")) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- str_value = bt_value_to_cli_param_value(value);
- if (!str_value) {
- ret = -1;
- goto end;
- }
-
- parameter = g_string_new(NULL);
- if (!parameter) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- g_string_printf(parameter, "%s=%s", key, str_value);
-
- if (bt_value_array_append_string_element(args, parameter->str)) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
-end:
- if (parameter) {
- g_string_free(parameter, TRUE);
- parameter = NULL;
- }
-
- if (str_value) {
- g_free(str_value);
- str_value = NULL;
- }
-
- return ret;
-}
-
-static
-int append_string_parameter_to_args(bt_value *args, const char *key, const char *value)
-{
- bt_value *str_value;
- int ret;
-
- str_value = bt_value_string_create_init(value);
-
- if (!str_value) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- ret = append_parameter_to_args(args, key, str_value);
-
-end:
- BT_VALUE_PUT_REF_AND_RESET(str_value);
- return ret;
-}
-
-static
-int append_implicit_component_extra_param(struct implicit_component_args *args,
- const char *key, const char *value)
-{
- return append_string_parameter_to_args(args->extra_params, key, value);
-}
-
-static
-int convert_append_name_param(enum bt_config_component_dest dest,
- GString *cur_name, GString *cur_name_prefix,
- bt_value *run_args,
- bt_value *all_names,
- GList **source_names, GList **filter_names,
- GList **sink_names)
-{
- int ret = 0;
-
- if (cur_name_prefix->len > 0) {
- /* We're after a --component option */
- GString *name = NULL;
- bool append_name_opt = false;
-
- if (cur_name->len == 0) {
- /*
- * No explicit name was provided for the user
- * component.
- */
- name = get_component_auto_name(cur_name_prefix->str,
- all_names);
- append_name_opt = true;
- } else {
- /*
- * An explicit name was provided for the user
- * component.
- */
- if (bt_value_map_has_entry(all_names,
- cur_name->str)) {
- printf_err("Duplicate component instance name:\n %s\n",
- cur_name->str);
- goto error;
- }
-
- name = g_string_new(cur_name->str);
- }
-
- if (!name) {
- print_err_oom();
- goto error;
- }
-
- /*
- * Remember this name globally, for the uniqueness of
- * all component names.
- */
- if (bt_value_map_insert_entry(all_names, name->str, bt_value_null)) {
- print_err_oom();
- goto error;
- }
-
- /*
- * Append the --name option if necessary.
- */
- if (append_name_opt) {
- if (bt_value_array_append_string_element(run_args, "--name")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, name->str)) {
- print_err_oom();
- goto error;
- }
- }
-
- /*
- * Remember this name specifically for the type of the
- * component. This is to create connection arguments.
- */
- switch (dest) {
- case BT_CONFIG_COMPONENT_DEST_SOURCE:
- *source_names = g_list_append(*source_names, name);
- break;
- case BT_CONFIG_COMPONENT_DEST_FILTER:
- *filter_names = g_list_append(*filter_names, name);
- break;
- case BT_CONFIG_COMPONENT_DEST_SINK:
- *sink_names = g_list_append(*sink_names, name);
- break;
- default:
- abort();
- }
-
- g_string_assign(cur_name_prefix, "");
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-/*
- * Escapes `.`, `:`, and `\` of `input` with `\`.
- */
-static
-GString *escape_dot_colon(const char *input)
-{
- GString *output = g_string_new(NULL);
- const char *ch;
-
- if (!output) {
- print_err_oom();
- goto end;
- }
-
- for (ch = input; *ch != '\0'; ch++) {
- if (*ch == '\\' || *ch == '.' || *ch == ':') {
- g_string_append_c(output, '\\');
- }
-
- g_string_append_c(output, *ch);
- }
-
-end:
- return output;
-}
-
-/*
- * Appends a --connect option to a list of arguments. `upstream_name`
- * and `downstream_name` are escaped with escape_dot_colon() in this
- * function.
- */
-static
-int append_connect_arg(bt_value *run_args,
- const char *upstream_name, const char *downstream_name)
-{
- int ret = 0;
- GString *e_upstream_name = escape_dot_colon(upstream_name);
- GString *e_downstream_name = escape_dot_colon(downstream_name);
- GString *arg = g_string_new(NULL);
-
- if (!e_upstream_name || !e_downstream_name || !arg) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- ret = bt_value_array_append_string_element(run_args, "--connect");
- if (ret) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- g_string_append(arg, e_upstream_name->str);
- g_string_append_c(arg, ':');
- g_string_append(arg, e_downstream_name->str);
- ret = bt_value_array_append_string_element(run_args, arg->str);
- if (ret) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
-end:
- if (arg) {
- g_string_free(arg, TRUE);
- }
-
- if (e_upstream_name) {
- g_string_free(e_upstream_name, TRUE);
- }
-
- if (e_downstream_name) {
- g_string_free(e_downstream_name, TRUE);
- }
-
- return ret;
-}
-
-/*
- * Appends the run command's --connect options for the convert command.
- */
-static
-int convert_auto_connect(bt_value *run_args,
- GList *source_names, GList *filter_names,
- GList *sink_names)
-{
- int ret = 0;
- GList *source_at = source_names;
- GList *filter_at = filter_names;
- GList *filter_prev;
- GList *sink_at = sink_names;
-
- BT_ASSERT(source_names);
- BT_ASSERT(filter_names);
- BT_ASSERT(sink_names);
-
- /* Connect all sources to the first filter */
- for (source_at = source_names; source_at != NULL; source_at = g_list_next(source_at)) {
- GString *source_name = source_at->data;
- GString *filter_name = filter_at->data;
-
- ret = append_connect_arg(run_args, source_name->str,
- filter_name->str);
- if (ret) {
- goto error;
- }
- }
-
- filter_prev = filter_at;
- filter_at = g_list_next(filter_at);
-
- /* Connect remaining filters */
- for (; filter_at != NULL; filter_prev = filter_at, filter_at = g_list_next(filter_at)) {
- GString *filter_name = filter_at->data;
- GString *filter_prev_name = filter_prev->data;
-
- ret = append_connect_arg(run_args, filter_prev_name->str,
- filter_name->str);
- if (ret) {
- goto error;
- }
- }
-
- /* Connect last filter to all sinks */
- for (sink_at = sink_names; sink_at != NULL; sink_at = g_list_next(sink_at)) {
- GString *filter_name = filter_prev->data;
- GString *sink_name = sink_at->data;
-
- ret = append_connect_arg(run_args, filter_name->str,
- sink_name->str);
- if (ret) {
- goto error;
- }
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-static
-int split_timerange(const char *arg, char **begin, char **end)
-{
- int ret = 0;
- const char *ch = arg;
- size_t end_pos;
- GString *g_begin = NULL;
- GString *g_end = NULL;
-
- BT_ASSERT(arg);
-
- if (*ch == '[') {
- ch++;
- }
-
- g_begin = bt_common_string_until(ch, "", ",", &end_pos);
- if (!g_begin || ch[end_pos] != ',' || g_begin->len == 0) {
- goto error;
- }
-
- ch += end_pos + 1;
-
- g_end = bt_common_string_until(ch, "", "]", &end_pos);
- if (!g_end || g_end->len == 0) {
- goto error;
- }
-
- BT_ASSERT(begin);
- BT_ASSERT(end);
- *begin = g_begin->str;
- *end = g_end->str;
- g_string_free(g_begin, FALSE);
- g_string_free(g_end, FALSE);
- g_begin = NULL;
- g_end = NULL;
- goto end;
-
-error:
- ret = -1;
-
-end:
- if (g_begin) {
- g_string_free(g_begin, TRUE);
- }
-
- if (g_end) {
- g_string_free(g_end, TRUE);
- }
-
- return ret;
-}
-
-static
-int g_list_prepend_gstring(GList **list, const char *string)
-{
- int ret = 0;
- GString *gs = g_string_new(string);
-
- BT_ASSERT(list);
-
- if (!gs) {
- print_err_oom();
- goto end;
- }
-
- *list = g_list_prepend(*list, gs);
-
-end:
- return ret;
-}
-
-/*
- * Creates a Babeltrace config object from the arguments of a convert
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths, char *log_level)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- enum bt_config_component_dest cur_comp_dest =
- BT_CONFIG_COMPONENT_DEST_UNKNOWN;
- int opt, ret = 0;
- struct bt_config *cfg = NULL;
- bool got_input_format_opt = false;
- bool got_output_format_opt = false;
- bool trimmer_has_begin = false;
- bool trimmer_has_end = false;
- bool stream_intersection_mode = false;
- GString *cur_name = NULL;
- GString *cur_name_prefix = NULL;
- const char *leftover = NULL;
- bool print_run_args = false;
- bool print_run_args_0 = false;
- bool print_ctf_metadata = false;
- bt_value *run_args = NULL;
- bt_value *all_names = NULL;
- GList *source_names = NULL;
- GList *filter_names = NULL;
- GList *sink_names = NULL;
- bt_value *leftovers = NULL;
- struct implicit_component_args implicit_ctf_input_args = { 0 };
- struct implicit_component_args implicit_ctf_output_args = { 0 };
- struct implicit_component_args implicit_lttng_live_args = { 0 };
- struct implicit_component_args implicit_dummy_args = { 0 };
- struct implicit_component_args implicit_text_args = { 0 };
- struct implicit_component_args implicit_debug_info_args = { 0 };
- struct implicit_component_args implicit_muxer_args = { 0 };
- struct implicit_component_args implicit_trimmer_args = { 0 };
- bt_value *plugin_paths;
- char error_buf[256] = { 0 };
- size_t i;
- struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
- char *output = NULL;
-
- (void) bt_value_copy(initial_plugin_paths, &plugin_paths);
-
- *retcode = 0;
-
- if (argc <= 1) {
- print_convert_usage(stdout);
- *retcode = -1;
- goto end;
- }
-
- if (init_implicit_component_args(&implicit_ctf_input_args,
- "source.ctf.fs", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_ctf_output_args,
- "sink.ctf.fs", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_lttng_live_args,
- "source.ctf.lttng-live", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_text_args,
- "sink.text.pretty", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_dummy_args,
- "sink.utils.dummy", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_debug_info_args,
- "filter.lttng-utils.debug-info", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_muxer_args,
- "filter.utils.muxer", true)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_trimmer_args,
- "filter.utils.trimmer", false)) {
- goto error;
- }
-
- all_names = bt_value_map_create();
- if (!all_names) {
- print_err_oom();
- goto error;
- }
-
- run_args = bt_value_array_create();
- if (!run_args) {
- print_err_oom();
- goto error;
- }
-
- cur_name = g_string_new(NULL);
- if (!cur_name) {
- print_err_oom();
- goto error;
- }
-
- cur_name_prefix = g_string_new(NULL);
- if (!cur_name_prefix) {
- print_err_oom();
- goto error;
- }
-
- ret = append_env_var_plugin_paths(plugin_paths);
- if (ret) {
- goto error;
- }
-
- leftovers = bt_value_array_create();
- if (!leftovers) {
- print_err_oom();
- goto error;
- }
-
- /*
- * First pass: collect all arguments which need to be passed
- * as is to the run command. This pass can also add --name
- * arguments if needed to automatically name unnamed component
- * instances. Also it does the following transformations:
- *
- * --path=PATH -> --params=path="PATH"
- * --url=URL -> --params=url="URL"
- *
- * Also it appends the plugin paths of --plugin-path to
- * `plugin_paths`.
- */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- convert_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- char *name = NULL;
- char *plugin_name = NULL;
- char *comp_cls_name = NULL;
-
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_COMPONENT:
- {
- bt_component_class_type type;
- const char *type_prefix;
-
- /* Append current component's name if needed */
- ret = convert_append_name_param(cur_comp_dest, cur_name,
- cur_name_prefix, run_args, all_names,
- &source_names, &filter_names, &sink_names);
- if (ret) {
- goto error;
- }
-
- /* Parse the argument */
- plugin_comp_cls_names(arg, &name, &plugin_name,
- &comp_cls_name, &type);
- if (!plugin_name || !comp_cls_name) {
- printf_err("Invalid format for --component option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- if (name) {
- g_string_assign(cur_name, name);
- } else {
- g_string_assign(cur_name, "");
- }
-
- switch (type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
- type_prefix = "source";
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- cur_comp_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
- type_prefix = "filter";
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK;
- type_prefix = "sink";
- break;
- default:
- abort();
- }
-
- if (bt_value_array_append_string_element(run_args,
- "--component")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
-
- g_string_assign(cur_name_prefix, "");
- g_string_append_printf(cur_name_prefix, "%s.%s.%s",
- type_prefix, plugin_name, comp_cls_name);
- free(name);
- free(plugin_name);
- free(comp_cls_name);
- name = NULL;
- plugin_name = NULL;
- comp_cls_name = NULL;
- break;
- }
- case OPT_PARAMS:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component of which to set parameters:\n %s\n",
- arg);
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args,
- "--params")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_PATH:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component of which to set `path` parameter:\n %s\n",
- arg);
- goto error;
- }
-
- if (append_string_parameter_to_args(run_args, "path", arg)) {
- goto error;
- }
- break;
- case OPT_URL:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component of which to set `url` parameter:\n %s\n",
- arg);
- goto error;
- }
-
-
- if (append_string_parameter_to_args(run_args, "url", arg)) {
- goto error;
- }
- break;
- case OPT_NAME:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component to name:\n %s\n",
- arg);
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, "--name")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
-
- g_string_assign(cur_name, arg);
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- force_omit_home_plugin_path = true;
-
- if (bt_value_array_append_string_element(run_args,
- "--omit-home-plugin-path")) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_RETRY_DURATION:
- if (bt_value_array_append_string_element(run_args,
- "--retry-duration")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- force_omit_system_plugin_path = true;
-
- if (bt_value_array_append_string_element(run_args,
- "--omit-system-plugin-path")) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- plugin_paths, arg)) {
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args,
- "--plugin-path")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_HELP:
- print_convert_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- case OPT_BEGIN:
- case OPT_CLOCK_CYCLES:
- case OPT_CLOCK_DATE:
- case OPT_CLOCK_FORCE_CORRELATE:
- case OPT_CLOCK_GMT:
- case OPT_CLOCK_OFFSET:
- case OPT_CLOCK_OFFSET_NS:
- case OPT_CLOCK_SECONDS:
- case OPT_COLOR:
- case OPT_DEBUG:
- case OPT_DEBUG_INFO:
- case OPT_DEBUG_INFO_DIR:
- case OPT_DEBUG_INFO_FULL_PATH:
- case OPT_DEBUG_INFO_TARGET_PREFIX:
- case OPT_END:
- case OPT_FIELDS:
- case OPT_INPUT_FORMAT:
- case OPT_NAMES:
- case OPT_NO_DELTA:
- case OPT_OUTPUT_FORMAT:
- case OPT_OUTPUT:
- case OPT_RUN_ARGS:
- case OPT_RUN_ARGS_0:
- case OPT_STREAM_INTERSECTION:
- case OPT_TIMERANGE:
- case OPT_VERBOSE:
- /* Ignore in this pass */
- break;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Append current component's name if needed */
- ret = convert_append_name_param(cur_comp_dest, cur_name,
- cur_name_prefix, run_args, all_names, &source_names,
- &filter_names, &sink_names);
- if (ret) {
- goto error;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- poptFreeContext(pc);
- free(arg);
- arg = NULL;
-
- /*
- * Second pass: transform the convert-specific options and
- * arguments into implicit component instances for the run
- * command.
- */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- convert_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_BEGIN:
- if (trimmer_has_begin) {
- printf("At --begin option: --begin or --timerange option already specified\n %s\n",
- arg);
- goto error;
- }
-
- trimmer_has_begin = true;
- ret = append_implicit_component_extra_param(
- &implicit_trimmer_args, "begin", arg);
- implicit_trimmer_args.exists = true;
- if (ret) {
- goto error;
- }
- break;
- case OPT_END:
- if (trimmer_has_end) {
- printf("At --end option: --end or --timerange option already specified\n %s\n",
- arg);
- goto error;
- }
-
- trimmer_has_end = true;
- ret = append_implicit_component_extra_param(
- &implicit_trimmer_args, "end", arg);
- implicit_trimmer_args.exists = true;
- if (ret) {
- goto error;
- }
- break;
- case OPT_TIMERANGE:
- {
- char *begin;
- char *end;
-
- if (trimmer_has_begin || trimmer_has_end) {
- printf("At --timerange option: --begin, --end, or --timerange option already specified\n %s\n",
- arg);
- goto error;
- }
-
- ret = split_timerange(arg, &begin, &end);
- if (ret) {
- printf_err("Invalid --timerange option's argument: expecting BEGIN,END or [BEGIN,END]:\n %s\n",
- arg);
- goto error;
- }
-
- ret = append_implicit_component_extra_param(
- &implicit_trimmer_args, "begin", begin);
- ret |= append_implicit_component_extra_param(
- &implicit_trimmer_args, "end", end);
- implicit_trimmer_args.exists = true;
- free(begin);
- free(end);
- if (ret) {
- goto error;
- }
- break;
- }
- case OPT_CLOCK_CYCLES:
- append_implicit_component_param(
- &implicit_text_args, "clock-cycles", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_CLOCK_DATE:
- append_implicit_component_param(
- &implicit_text_args, "clock-date", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_CLOCK_FORCE_CORRELATE:
- append_implicit_component_param(
- &implicit_muxer_args,
- "assume-absolute-clock-classes", "yes");
- break;
- case OPT_CLOCK_GMT:
- append_implicit_component_param(
- &implicit_text_args, "clock-gmt", "yes");
- append_implicit_component_param(
- &implicit_trimmer_args, "gmt", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_CLOCK_OFFSET:
- implicit_ctf_input_args.exists = true;
- append_implicit_component_param(
- &implicit_ctf_input_args,
- "clock-class-offset-s", arg);
- break;
- case OPT_CLOCK_OFFSET_NS:
- implicit_ctf_input_args.exists = true;
- append_implicit_component_param(
- &implicit_ctf_input_args,
- "clock-class-offset-ns", arg);
- break;
- case OPT_CLOCK_SECONDS:
- append_implicit_component_param(
- &implicit_text_args, "clock-seconds", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_COLOR:
- implicit_text_args.exists = true;
- ret = append_implicit_component_extra_param(
- &implicit_text_args, "color", arg);
- if (ret) {
- goto error;
- }
- break;
- case OPT_DEBUG_INFO:
- implicit_debug_info_args.exists = true;
- break;
- case OPT_DEBUG_INFO_DIR:
- implicit_debug_info_args.exists = true;
- ret = append_implicit_component_extra_param(
- &implicit_debug_info_args, "debug-info-dir", arg);
- if (ret) {
- goto error;
- }
- break;
- case OPT_DEBUG_INFO_FULL_PATH:
- implicit_debug_info_args.exists = true;
- append_implicit_component_param(
- &implicit_debug_info_args, "full-path", "yes");
- break;
- case OPT_DEBUG_INFO_TARGET_PREFIX:
- implicit_debug_info_args.exists = true;
- ret = append_implicit_component_extra_param(
- &implicit_debug_info_args,
- "target-prefix", arg);
- if (ret) {
- goto error;
- }
- break;
- case OPT_FIELDS:
- {
- bt_value *fields = fields_from_arg(arg);
-
- if (!fields) {
- goto error;
- }
-
- implicit_text_args.exists = true;
- ret = insert_flat_params_from_array(
- implicit_text_args.params_arg,
- fields, "field");
- bt_value_put_ref(fields);
- if (ret) {
- goto error;
- }
- break;
- }
- case OPT_NAMES:
- {
- bt_value *names = names_from_arg(arg);
-
- if (!names) {
- goto error;
- }
-
- implicit_text_args.exists = true;
- ret = insert_flat_params_from_array(
- implicit_text_args.params_arg,
- names, "name");
- bt_value_put_ref(names);
- if (ret) {
- goto error;
- }
- break;
- }
- case OPT_NO_DELTA:
- append_implicit_component_param(
- &implicit_text_args, "no-delta", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_INPUT_FORMAT:
- if (got_input_format_opt) {
- printf_err("Duplicate --input-format option\n");
- goto error;
- }
-
- got_input_format_opt = true;
-
- if (strcmp(arg, "ctf") == 0) {
- implicit_ctf_input_args.exists = true;
- } else if (strcmp(arg, "lttng-live") == 0) {
- implicit_lttng_live_args.exists = true;
- } else {
- printf_err("Unknown legacy input format:\n %s\n",
- arg);
- goto error;
- }
- break;
- case OPT_OUTPUT_FORMAT:
- if (got_output_format_opt) {
- printf_err("Duplicate --output-format option\n");
- goto error;
- }
-
- got_output_format_opt = true;
-
- if (strcmp(arg, "text") == 0) {
- implicit_text_args.exists = true;
- } else if (strcmp(arg, "ctf") == 0) {
- implicit_ctf_output_args.exists = true;
- } else if (strcmp(arg, "dummy") == 0) {
- implicit_dummy_args.exists = true;
- } else if (strcmp(arg, "ctf-metadata") == 0) {
- print_ctf_metadata = true;
- } else {
- printf_err("Unknown legacy output format:\n %s\n",
- arg);
- goto error;
- }
- break;
- case OPT_OUTPUT:
- if (output) {
- printf_err("Duplicate --output option\n");
- goto error;
- }
-
- output = strdup(arg);
- if (!output) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_RUN_ARGS:
- if (print_run_args_0) {
- printf_err("Cannot specify --run-args and --run-args-0\n");
- goto error;
- }
-
- print_run_args = true;
- break;
- case OPT_RUN_ARGS_0:
- if (print_run_args) {
- printf_err("Cannot specify --run-args and --run-args-0\n");
- goto error;
- }
-
- print_run_args_0 = true;
- break;
- case OPT_STREAM_INTERSECTION:
- /*
- * Applies to all traces implementing the trace-info
- * query.
- */
- stream_intersection_mode = true;
- break;
- case OPT_VERBOSE:
- if (*log_level != 'V' && *log_level != 'D') {
- *log_level = 'I';
- }
- break;
- case OPT_DEBUG:
- *log_level = 'V';
- break;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- /*
- * Legacy behaviour: --verbose used to make the `text` output
- * format print more information. --verbose is now equivalent to
- * the INFO log level, which is why we compare to 'I' here.
- */
- if (*log_level == 'I') {
- append_implicit_component_param(&implicit_text_args,
- "verbose", "yes");
- }
-
- /*
- * Append home and system plugin paths now that we possibly got
- * --plugin-path.
- */
- if (append_home_and_system_plugin_paths(plugin_paths,
- force_omit_system_plugin_path,
- force_omit_home_plugin_path)) {
- goto error;
- }
-
- /* Consume and keep leftover arguments */
- while ((leftover = poptGetArg(pc))) {
- bt_value_status status = bt_value_array_append_string_element(leftovers, leftover);
- if (status != BT_VALUE_STATUS_OK) {
- print_err_oom();
- goto error;
- }
- }
-
- /* Print CTF metadata or print LTTng live sessions */
- if (print_ctf_metadata) {
- const bt_value *bt_val_leftover;
-
- if (bt_value_array_is_empty(leftovers)) {
- printf_err("--output-format=ctf-metadata specified without a path\n");
- goto error;
- }
-
- if (bt_value_array_get_size(leftovers) > 1) {
- printf_err("Too many paths specified for --output-format=ctf-metadata\n");
- goto error;
- }
-
- cfg = bt_config_print_ctf_metadata_create(plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
- g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
- bt_value_string_get(bt_val_leftover));
-
- if (output) {
- g_string_assign(
- cfg->cmd_data.print_ctf_metadata.output_path,
- output);
- }
-
- goto end;
- }
-
- /*
- * If -o ctf was specified, make sure an output path (--output)
- * was also specified. --output does not imply -o ctf because
- * it's also used for the default, implicit -o text if -o ctf
- * is not specified.
- */
- if (implicit_ctf_output_args.exists) {
- if (!output) {
- printf_err("--output-format=ctf specified without --output (trace output path)\n");
- goto error;
- }
-
- /*
- * At this point we know that -o ctf AND --output were
- * specified. Make sure that no options were specified
- * which would imply -o text because --output would be
- * ambiguous in this case. For example, this is wrong:
- *
- * babeltrace2 --names=all -o ctf --output=/tmp/path my-trace
- *
- * because --names=all implies -o text, and --output
- * could apply to both the sink.text.pretty and
- * sink.ctf.fs implicit components.
- */
- if (implicit_text_args.exists) {
- printf_err("Ambiguous --output option: --output-format=ctf specified but another option implies --output-format=text\n");
- goto error;
- }
- }
-
- /*
- * If -o dummy and -o ctf were not specified, and if there are
- * no explicit sink components, then use an implicit
- * `sink.text.pretty` component.
- */
- if (!implicit_dummy_args.exists && !implicit_ctf_output_args.exists &&
- !sink_names) {
- implicit_text_args.exists = true;
- }
-
- /*
- * Set implicit `sink.text.pretty` or `sink.ctf.fs` component's
- * `path` parameter if --output was specified.
- */
- if (output) {
- if (implicit_text_args.exists) {
- append_implicit_component_extra_param(&implicit_text_args,
- "path", output);
- } else if (implicit_ctf_output_args.exists) {
- append_implicit_component_extra_param(&implicit_ctf_output_args,
- "path", output);
- }
- }
-
- /* Decide where the leftover argument(s) go */
- if (bt_value_array_get_size(leftovers) > 0) {
- if (implicit_lttng_live_args.exists) {
- const bt_value *bt_val_leftover;
-
- if (bt_value_array_get_size(leftovers) > 1) {
- printf_err("Too many URLs specified for --output-format=lttng-live\n");
- goto error;
- }
-
- bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
- lttng_live_url_parts =
- bt_common_parse_lttng_live_url(bt_value_string_get(bt_val_leftover),
- error_buf, sizeof(error_buf));
- if (!lttng_live_url_parts.proto) {
- printf_err("Invalid LTTng live URL format: %s\n",
- error_buf);
- goto error;
- }
-
- if (!lttng_live_url_parts.session_name) {
- /* Print LTTng live sessions */
- cfg = bt_config_print_lttng_live_sessions_create(
- plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
- bt_value_string_get(bt_val_leftover));
-
- if (output) {
- g_string_assign(
- cfg->cmd_data.print_lttng_live_sessions.output_path,
- output);
- }
-
- goto end;
- }
-
- ret = append_implicit_component_extra_param(
- &implicit_lttng_live_args, "url",
- bt_value_string_get(bt_val_leftover));
- if (ret) {
- goto error;
- }
-
- ret = append_implicit_component_extra_param(
- &implicit_lttng_live_args,
- "session-not-found-action", "end");
- if (ret) {
- goto error;
- }
- } else {
- /*
- * Create one source.ctf.fs component, pass it an array
- * with the leftovers.
- * Note that it still has to be named later.
- */
- implicit_ctf_input_args.exists = true;
- ret = append_parameter_to_args(implicit_ctf_input_args.extra_params,
- "paths", leftovers);
- if (ret) {
- goto error;
- }
- }
- }
-
- /*
- * Ensure mutual exclusion between implicit `source.ctf.fs` and
- * `source.ctf.lttng-live` components.
- */
- if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) {
- printf_err("Cannot create both implicit `%s` and `%s` components\n",
- implicit_ctf_input_args.comp_arg->str,
- implicit_lttng_live_args.comp_arg->str);
- goto error;
- }
-
- /*
- * If the implicit `source.ctf.fs` or `source.ctf.lttng-live`
- * components exists, make sure there's at least one leftover
- * (which is the path or URL).
- */
- if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) {
- printf_err("Missing path for implicit `%s` component\n",
- implicit_ctf_input_args.comp_arg->str);
- goto error;
- }
-
- if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) {
- printf_err("Missing URL for implicit `%s` component\n",
- implicit_lttng_live_args.comp_arg->str);
- goto error;
- }
-
- /* Assign names to implicit components */
- ret = assign_name_to_implicit_component(&implicit_ctf_input_args,
- "source-ctf-fs", all_names, &source_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_lttng_live_args,
- "lttng-live", all_names, &source_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_text_args,
- "pretty", all_names, &sink_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_ctf_output_args,
- "sink-ctf-fs", all_names, &sink_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_dummy_args,
- "dummy", all_names, &sink_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_muxer_args,
- "muxer", all_names, NULL, false);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_trimmer_args,
- "trimmer", all_names, NULL, false);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_debug_info_args,
- "debug-info", all_names, NULL, false);
- if (ret) {
- goto error;
- }
-
- /* Make sure there's at least one source and one sink */
- if (!source_names) {
- printf_err("No source component\n");
- goto error;
- }
-
- if (!sink_names) {
- printf_err("No sink component\n");
- goto error;
- }
-
- /*
- * Prepend the muxer, the trimmer, and the debug info to the
- * filter chain so that we have:
- *
- * sources -> muxer -> [trimmer] -> [debug info] ->
- * [user filters] -> sinks
- */
- if (implicit_debug_info_args.exists) {
- if (g_list_prepend_gstring(&filter_names,
- implicit_debug_info_args.name_arg->str)) {
- goto error;
- }
- }
-
- if (implicit_trimmer_args.exists) {
- if (g_list_prepend_gstring(&filter_names,
- implicit_trimmer_args.name_arg->str)) {
- goto error;
- }
- }
-
- if (g_list_prepend_gstring(&filter_names,
- implicit_muxer_args.name_arg->str)) {
- goto error;
- }
-
- /*
- * Append the equivalent run arguments for the implicit
- * components.
- */
- ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_lttng_live_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_text_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_ctf_output_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_dummy_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_muxer_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_trimmer_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_debug_info_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- /* Auto-connect components */
- ret = convert_auto_connect(run_args, source_names, filter_names,
- sink_names);
- if (ret) {
- printf_err("Cannot auto-connect components\n");
- goto error;
- }
-
- /*
- * We have all the run command arguments now. Depending on
- * --run-args, we pass this to the run command or print them
- * here.
- */
- if (print_run_args || print_run_args_0) {
- if (stream_intersection_mode) {
- printf_err("Cannot specify --stream-intersection with --run-args or --run-args-0\n");
- goto error;
- }
-
- for (i = 0; i < bt_value_array_get_size(run_args); i++) {
- const bt_value *arg_value =
- bt_value_array_borrow_element_by_index(run_args,
- i);
- const char *arg;
- GString *quoted = NULL;
- const char *arg_to_print;
-
- BT_ASSERT(arg_value);
- arg = bt_value_string_get(arg_value);
-
- if (print_run_args) {
- quoted = bt_common_shell_quote(arg, true);
- if (!quoted) {
- goto error;
- }
-
- arg_to_print = quoted->str;
- } else {
- arg_to_print = arg;
- }
-
- printf("%s", arg_to_print);
-
- if (quoted) {
- g_string_free(quoted, TRUE);
- }
-
- if (i < bt_value_array_get_size(run_args) - 1) {
- if (print_run_args) {
- putchar(' ');
- } else {
- putchar('\0');
- }
- }
- }
-
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- cfg = bt_config_run_from_args_array(run_args, retcode,
- force_omit_system_plugin_path,
- force_omit_home_plugin_path,
- initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.run.stream_intersection_mode = stream_intersection_mode;
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- free(output);
-
- if (cur_name) {
- g_string_free(cur_name, TRUE);
- }
-
- if (cur_name_prefix) {
- g_string_free(cur_name_prefix, TRUE);
- }
-
- bt_value_put_ref(run_args);
- bt_value_put_ref(all_names);
- destroy_glist_of_gstring(source_names);
- destroy_glist_of_gstring(filter_names);
- destroy_glist_of_gstring(sink_names);
- bt_value_put_ref(leftovers);
- finalize_implicit_component_args(&implicit_ctf_input_args);
- finalize_implicit_component_args(&implicit_ctf_output_args);
- finalize_implicit_component_args(&implicit_lttng_live_args);
- finalize_implicit_component_args(&implicit_dummy_args);
- finalize_implicit_component_args(&implicit_text_args);
- finalize_implicit_component_args(&implicit_debug_info_args);
- finalize_implicit_component_args(&implicit_muxer_args);
- finalize_implicit_component_args(&implicit_trimmer_args);
- bt_value_put_ref(plugin_paths);
- bt_common_destroy_lttng_live_url_parts(<tng_live_url_parts);
- return cfg;
-}
-
-/*
- * Prints the Babeltrace 2.x general usage.
- */
-static
-void print_gen_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] [COMMAND] [COMMAND ARGUMENTS]\n");
- fprintf(fp, "\n");
- fprintf(fp, "General options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -d, --debug Enable debug mode (same as --log-level=V)\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, " -l, --log-level=LVL Set all log levels to LVL (`N`, `V`, `D`,\n");
- fprintf(fp, " `I`, `W` (default), `E`, or `F`)\n");
- fprintf(fp, " -v, --verbose Enable verbose mode (same as --log-level=I)\n");
- fprintf(fp, " -V, --version Show version and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "Available commands:\n");
- fprintf(fp, "\n");
- fprintf(fp, " convert Convert and trim traces (default)\n");
- fprintf(fp, " help Get help for a plugin or a component class\n");
- fprintf(fp, " list-plugins List available plugins and their content\n");
- fprintf(fp, " query Query objects from a component class\n");
- fprintf(fp, " run Build a processing graph and run it\n");
- fprintf(fp, "\n");
- fprintf(fp, "Use `babeltrace2 COMMAND --help` to show the help of COMMAND.\n");
-}
-
-static
-char log_level_from_arg(const char *arg)
-{
- char level = 'U';
-
- if (strcmp(arg, "VERBOSE") == 0 ||
- strcmp(arg, "V") == 0) {
- level = 'V';
- } else if (strcmp(arg, "DEBUG") == 0 ||
- strcmp(arg, "D") == 0) {
- level = 'D';
- } else if (strcmp(arg, "INFO") == 0 ||
- strcmp(arg, "I") == 0) {
- level = 'I';
- } else if (strcmp(arg, "WARN") == 0 ||
- strcmp(arg, "WARNING") == 0 ||
- strcmp(arg, "W") == 0) {
- level = 'W';
- } else if (strcmp(arg, "ERROR") == 0 ||
- strcmp(arg, "E") == 0) {
- level = 'E';
- } else if (strcmp(arg, "FATAL") == 0 ||
- strcmp(arg, "F") == 0) {
- level = 'F';
- } else if (strcmp(arg, "NONE") == 0 ||
- strcmp(arg, "N") == 0) {
- level = 'N';
- }
-
- return level;
-}
-
-struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *config = NULL;
- int i;
- const char **command_argv = NULL;
- int command_argc = -1;
- const char *command_name = NULL;
- char log_level = 'U';
-
- enum command_type {
- COMMAND_TYPE_NONE = -1,
- COMMAND_TYPE_RUN = 0,
- COMMAND_TYPE_CONVERT,
- COMMAND_TYPE_LIST_PLUGINS,
- COMMAND_TYPE_HELP,
- COMMAND_TYPE_QUERY,
- } command_type = COMMAND_TYPE_NONE;
-
- *retcode = -1;
-
- if (!initial_plugin_paths) {
- initial_plugin_paths = bt_value_array_create();
- if (!initial_plugin_paths) {
- *retcode = 1;
- goto end;
- }
- } else {
- bt_value_get_ref(initial_plugin_paths);
- }
-
- if (argc <= 1) {
- print_version();
- puts("");
- print_gen_usage(stdout);
- goto end;
- }
-
- for (i = 1; i < argc; i++) {
- const char *cur_arg = argv[i];
- const char *next_arg = i == (argc - 1) ? NULL : argv[i + 1];
-
- if (strcmp(cur_arg, "-d") == 0 ||
- strcmp(cur_arg, "--debug") == 0) {
- log_level = 'V';
- } else if (strcmp(cur_arg, "-v") == 0 ||
- strcmp(cur_arg, "--verbose") == 0) {
- if (log_level != 'V' && log_level != 'D') {
- /*
- * Legacy: do not override a previous
- * --debug because --verbose and --debug
- * can be specified together (in this
- * case we want the lowest log level to
- * apply, VERBOSE).
- */
- log_level = 'I';
- }
- } else if (strcmp(cur_arg, "--log-level") == 0 ||
- strcmp(cur_arg, "-l") == 0) {
- if (!next_arg) {
- printf_err("Missing log level value for --log-level option\n");
- *retcode = 1;
- goto end;
- }
-
- log_level = log_level_from_arg(next_arg);
- if (log_level == 'U') {
- printf_err("Invalid argument for --log-level option:\n %s\n",
- next_arg);
- *retcode = 1;
- goto end;
- }
-
- i++;
- } else if (strncmp(cur_arg, "--log-level=", 12) == 0) {
- const char *arg = &cur_arg[12];
-
- log_level = log_level_from_arg(arg);
- if (log_level == 'U') {
- printf_err("Invalid argument for --log-level option:\n %s\n",
- arg);
- *retcode = 1;
- goto end;
- }
- } else if (strncmp(cur_arg, "-l", 2) == 0) {
- const char *arg = &cur_arg[2];
-
- log_level = log_level_from_arg(arg);
- if (log_level == 'U') {
- printf_err("Invalid argument for --log-level option:\n %s\n",
- arg);
- *retcode = 1;
- goto end;
- }
- } else if (strcmp(cur_arg, "-V") == 0 ||
- strcmp(cur_arg, "--version") == 0) {
- print_version();
- goto end;
- } else if (strcmp(cur_arg, "-h") == 0 ||
- strcmp(cur_arg, "--help") == 0) {
- print_gen_usage(stdout);
- goto end;
- } else {
- /*
- * First unknown argument: is it a known command
- * name?
- */
- command_argv = &argv[i];
- command_argc = argc - i;
-
- if (strcmp(cur_arg, "convert") == 0) {
- command_type = COMMAND_TYPE_CONVERT;
- } else if (strcmp(cur_arg, "list-plugins") == 0) {
- command_type = COMMAND_TYPE_LIST_PLUGINS;
- } else if (strcmp(cur_arg, "help") == 0) {
- command_type = COMMAND_TYPE_HELP;
- } else if (strcmp(cur_arg, "query") == 0) {
- command_type = COMMAND_TYPE_QUERY;
- } else if (strcmp(cur_arg, "run") == 0) {
- command_type = COMMAND_TYPE_RUN;
- } else {
- /*
- * Unknown argument, but not a known
- * command name: assume the default
- * `convert` command.
- */
- command_type = COMMAND_TYPE_CONVERT;
- command_name = "convert";
- command_argv = &argv[i - 1];
- command_argc = argc - i + 1;
- }
- break;
- }
- }
-
- if (command_type == COMMAND_TYPE_NONE) {
- /*
- * We only got non-help, non-version general options
- * like --verbose and --debug, without any other
- * arguments, so we can't do anything useful: print the
- * usage and quit.
- */
- print_gen_usage(stdout);
- goto end;
- }
-
- BT_ASSERT(command_argv);
- BT_ASSERT(command_argc >= 0);
-
- switch (command_type) {
- case COMMAND_TYPE_RUN:
- config = bt_config_run_from_args(command_argc, command_argv,
- retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- case COMMAND_TYPE_CONVERT:
- config = bt_config_convert_from_args(command_argc, command_argv,
- retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path,
- initial_plugin_paths, &log_level);
- break;
- case COMMAND_TYPE_LIST_PLUGINS:
- config = bt_config_list_plugins_from_args(command_argc,
- command_argv, retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- case COMMAND_TYPE_HELP:
- config = bt_config_help_from_args(command_argc,
- command_argv, retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- case COMMAND_TYPE_QUERY:
- config = bt_config_query_from_args(command_argc,
- command_argv, retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- default:
- abort();
- }
-
- if (config) {
- if (log_level == 'U') {
- log_level = 'W';
- }
-
- config->log_level = log_level;
- config->command_name = command_name;
- }
-
-end:
- bt_value_put_ref(initial_plugin_paths);
- return config;
-}
projects / babeltrace.git / blobdiff