* SOFTWARE.
*/
-#define _GNU_SOURCE
-#include <config.h>
#include <babeltrace/babeltrace.h>
-#include <babeltrace/format.h>
-#include <babeltrace/context.h>
-#include <babeltrace/context-internal.h>
-#include <babeltrace/ctf/types.h>
-#include <babeltrace/ctf/events.h>
-/* TODO: fix object model for format-agnostic callbacks */
-#include <babeltrace/ctf/events-internal.h>
-#include <babeltrace/ctf/iterator.h>
-#include <babeltrace/ctf-text/types.h>
-#include <babeltrace/iterator.h>
-#include <popt.h>
-#include <errno.h>
+#include <babeltrace/plugin/plugin.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/graph/component.h>
+#include <babeltrace/graph/component-source.h>
+#include <babeltrace/graph/component-sink.h>
+#include <babeltrace/graph/component-filter.h>
+#include <babeltrace/graph/component-class.h>
+#include <babeltrace/graph/port.h>
+#include <babeltrace/graph/graph.h>
+#include <babeltrace/graph/connection.h>
+#include <babeltrace/graph/notification-iterator.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/values.h>
#include <stdlib.h>
-#include <ctype.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <ftw.h>
+#include <popt.h>
#include <string.h>
+#include <stdio.h>
+#include <glib.h>
+#include <inttypes.h>
+#include "babeltrace-cfg.h"
+#include "babeltrace-cfg-connect.h"
+#include "default-cfg.h"
-#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
-
-#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
-
-#define DEFAULT_FILE_ARRAY_SIZE 1
-
-static char *opt_input_format, *opt_output_format;
+GPtrArray *loaded_plugins;
-/*
- * We are not freeing opt_input_paths ipath elements when exiting from
- * main() for backward compatibility with libpop 0.13, which does not
- * allocate copies for arguments returned by poptGetArg(), and for
- * general compatibility with the documented behavior. This is known to
- * cause a small memory leak with libpop 0.16.
- */
-static GPtrArray *opt_input_paths;
-static char *opt_output_path;
+static
+void init_loaded_plugins_array(void)
+{
+ loaded_plugins = g_ptr_array_new_full(8, bt_put);
+}
-static struct bt_format *fmt_read;
+static
+void fini_loaded_plugins_array(void)
+{
+ g_ptr_array_free(loaded_plugins, TRUE);
+}
static
-void strlower(char *str)
-{
- while (*str) {
- *str = tolower((int) *str);
- str++;
- }
-}
-
-enum {
- OPT_NONE = 0,
- OPT_OUTPUT_PATH,
- OPT_INPUT_FORMAT,
- OPT_OUTPUT_FORMAT,
- OPT_HELP,
- OPT_LIST,
- OPT_VERBOSE,
- OPT_DEBUG,
- OPT_NAMES,
- OPT_FIELDS,
- OPT_NO_DELTA,
- OPT_CLOCK_OFFSET,
- OPT_CLOCK_CYCLES,
- OPT_CLOCK_SECONDS,
- OPT_CLOCK_DATE,
- OPT_CLOCK_GMT,
- OPT_CLOCK_FORCE_CORRELATE,
-};
+struct bt_plugin *find_plugin(const char *name)
+{
+ int i;
+ struct bt_plugin *plugin = NULL;
-/*
- * We are _not_ using POPT_ARG_STRING ability to store directly into
- * variables, because we want to cast the return to non-const, which is
- * not possible without using poptGetOptArg explicitly. This helps us
- * controlling memory allocation correctly without making assumptions
- * about undocumented behaviors. poptGetOptArg is documented as
- * requiring the returned const char * to be freed by the caller.
- */
-static struct poptOption long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL },
- { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
- { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
- { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
- { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
- { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
- { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
- { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
- { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
- { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
- { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
- { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
- { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
- { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
- { NULL, 0, 0, NULL, 0, NULL, NULL },
-};
-
-static void list_formats(FILE *fp)
-{
- fprintf(fp, "\n");
- bt_fprintf_format_list(fp);
-}
-
-static void usage(FILE *fp)
-{
- fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
- fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
- fprintf(fp, "\n");
- fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
- fprintf(fp, " (space-separated)\n");
- fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
- fprintf(fp, "\n");
- fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
- fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
- fprintf(fp, "\n");
- fprintf(fp, " -h, --help This help message\n");
- fprintf(fp, " -l, --list List available formats\n");
- fprintf(fp, " -v, --verbose Verbose mode\n");
- fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
- fprintf(fp, " -d, --debug Debug mode\n");
- fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
- fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
- fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
- fprintf(fp, " (payload OR args OR arg)\n");
- fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
- fprintf(fp, " (default: payload,context)\n");
- fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
- fprintf(fp, " all, trace, trace:hostname, trace:domain,\n");
- fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
- fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
- fprintf(fp, " --clock-cycles Timestamp in cycles\n");
- fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
- fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
- fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
- fprintf(fp, " --clock-date Print clock date\n");
- fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
- fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
- fprintf(fp, " across traces.\n");
- list_formats(fp);
- fprintf(fp, "\n");
-}
-
-static int get_names_args(poptContext *pc)
-{
- char *str, *strlist, *strctx;
- int ret = 0;
+ for (i = 0; i < loaded_plugins->len; i++) {
+ plugin = g_ptr_array_index(loaded_plugins, i);
- opt_payload_field_names = 0;
- opt_context_field_names = 0;
- strlist = (char *) poptGetOptArg(*pc);
- if (!strlist) {
- return -EINVAL;
- }
- str = strtok_r(strlist, ",", &strctx);
- do {
- if (!strcmp(str, "all"))
- opt_all_field_names = 1;
- else if (!strcmp(str, "scope"))
- opt_scope_field_names = 1;
- else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
- opt_context_field_names = 1;
- else if (!strcmp(str, "header"))
- opt_header_field_names = 1;
- else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
- opt_payload_field_names = 1;
- else if (!strcmp(str, "none")) {
- opt_all_field_names = 0;
- opt_scope_field_names = 0;
- opt_context_field_names = 0;
- opt_header_field_names = 0;
- opt_payload_field_names = 0;
- } else {
- fprintf(stderr, "[error] unknown field name type %s\n", str);
- ret = -EINVAL;
- goto end;
+ if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
+ break;
}
- } while ((str = strtok_r(NULL, ",", &strctx)));
-end:
- free(strlist);
- return ret;
+
+ plugin = NULL;
+ }
+
+ return bt_get(plugin);
}
-static int get_fields_args(poptContext *pc)
+static
+struct bt_component_class *find_component_class(const char *plugin_name,
+ const char *comp_class_name,
+ enum bt_component_class_type comp_class_type)
{
- char *str, *strlist, *strctx;
- int ret = 0;
+ struct bt_component_class *comp_class = NULL;
+ struct bt_plugin *plugin = find_plugin(plugin_name);
- strlist = (char *) poptGetOptArg(*pc);
- if (!strlist) {
- return -EINVAL;
- }
- str = strtok_r(strlist, ",", &strctx);
- do {
- opt_trace_default_fields = 0;
- if (!strcmp(str, "all"))
- opt_all_fields = 1;
- else if (!strcmp(str, "trace"))
- opt_trace_field = 1;
- else if (!strcmp(str, "trace:hostname"))
- opt_trace_hostname_field = 1;
- else if (!strcmp(str, "trace:domain"))
- opt_trace_domain_field = 1;
- else if (!strcmp(str, "trace:procname"))
- opt_trace_procname_field = 1;
- else if (!strcmp(str, "trace:vpid"))
- opt_trace_vpid_field = 1;
- else if (!strcmp(str, "loglevel"))
- opt_loglevel_field = 1;
- else if (!strcmp(str, "emf"))
- opt_emf_field = 1;
- else if (!strcmp(str, "callsite"))
- opt_callsite_field = 1;
- else {
- fprintf(stderr, "[error] unknown field type %s\n", str);
- ret = -EINVAL;
- goto end;
- }
- } while ((str = strtok_r(NULL, ",", &strctx)));
+ if (!plugin) {
+ goto end;
+ }
+
+ comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
+ comp_class_name, comp_class_type);
+ BT_PUT(plugin);
end:
- free(strlist);
- return ret;
+ return comp_class;
}
-/*
- * Return 0 if caller should continue, < 0 if caller should return
- * error, > 0 if caller should exit without reporting error.
- */
-static int parse_options(int argc, char **argv)
+static
+void print_indent(size_t indent)
{
- poptContext pc;
- int opt, ret = 0;
- const char *ipath;
+ size_t i;
- if (argc == 1) {
- usage(stdout);
- return 1; /* exit cleanly */
+ for (i = 0; i < indent; i++) {
+ printf(" ");
}
+}
- pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
- poptReadDefaultConfig(pc, 0);
+static char *escape_name_for_shell(const char *input)
+{
+ char *output = g_malloc0(strlen(input) * 5 + 1);
+ const char *in;
+ char *out = output;
- /* set default */
- opt_context_field_names = 1;
- opt_payload_field_names = 1;
+ if (!output) {
+ goto end;
+ }
- while ((opt = poptGetNextOpt(pc)) != -1) {
- switch (opt) {
- case OPT_OUTPUT_PATH:
- opt_output_path = (char *) poptGetOptArg(pc);
- if (!opt_output_path) {
- ret = -EINVAL;
- goto end;
- }
- break;
- case OPT_INPUT_FORMAT:
- opt_input_format = (char *) poptGetOptArg(pc);
- if (!opt_input_format) {
- ret = -EINVAL;
- goto end;
- }
- break;
- case OPT_OUTPUT_FORMAT:
- opt_output_format = (char *) poptGetOptArg(pc);
- if (!opt_output_format) {
- ret = -EINVAL;
- goto end;
- }
+ for (in = input; *in != '\0'; in++) {
+ switch (*in) {
+ case '\\':
+ *out++ = '\\';
+ *out++ = '\\';
break;
- case OPT_HELP:
- usage(stdout);
- ret = 1; /* exit cleanly */
- goto end;
- case OPT_LIST:
- list_formats(stdout);
- ret = 1;
- goto end;
- case OPT_VERBOSE:
- babeltrace_verbose = 1;
+ case '\'':
+ *out++ = '\'';
+ *out++ = '"';
+ *out++ = '\'';
+ *out++ = '"';
+ *out++ = '\'';
break;
- case OPT_NAMES:
- if (get_names_args(&pc)) {
- ret = -EINVAL;
- goto end;
- }
+ case '.':
+ *out++ = '\\';
+ *out++ = '.';
break;
- case OPT_FIELDS:
- if (get_fields_args(&pc)) {
- ret = -EINVAL;
- goto end;
- }
- break;
- case OPT_DEBUG:
- babeltrace_debug = 1;
- break;
- case OPT_NO_DELTA:
- opt_delta_field = 0;
- break;
- case OPT_CLOCK_CYCLES:
- opt_clock_cycles = 1;
- break;
- case OPT_CLOCK_OFFSET:
- {
- char *str;
- char *endptr;
-
- str = (char *) poptGetOptArg(pc);
- if (!str) {
- fprintf(stderr, "[error] Missing --clock-offset argument\n");
- ret = -EINVAL;
- goto end;
- }
- errno = 0;
- opt_clock_offset = strtoull(str, &endptr, 0);
- if (*endptr != '\0' || str == endptr || errno != 0) {
- fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
- ret = -EINVAL;
- free(str);
- goto end;
- }
- free(str);
+ default:
+ *out++ = *in;
break;
}
- case OPT_CLOCK_SECONDS:
- opt_clock_seconds = 1;
- break;
- case OPT_CLOCK_DATE:
- opt_clock_date = 1;
- break;
- case OPT_CLOCK_GMT:
- opt_clock_gmt = 1;
- break;
- case OPT_CLOCK_FORCE_CORRELATE:
- opt_clock_force_correlate = 1;
- break;
+ }
- default:
- ret = -EINVAL;
- goto end;
- }
+end:
+ return output;
+}
+
+static
+const char *component_type_str(enum bt_component_class_type type)
+{
+ switch (type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ return "source";
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ return "sink";
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ return "filter";
+ case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
+ default:
+ return "unknown";
+ }
+}
+
+static void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
+ const char *comp_cls_name, enum bt_component_class_type type)
+{
+ char *shell_plugin_name = NULL;
+ char *shell_comp_cls_name = NULL;
+
+ shell_plugin_name = escape_name_for_shell(plugin_name);
+ if (!shell_plugin_name) {
+ goto end;
}
- do {
- ipath = poptGetArg(pc);
- if (ipath)
- g_ptr_array_add(opt_input_paths, (gpointer) ipath);
- } while (ipath);
- if (opt_input_paths->len == 0) {
- ret = -EINVAL;
+ shell_comp_cls_name = escape_name_for_shell(comp_cls_name);
+ if (!shell_comp_cls_name) {
goto end;
}
+ fprintf(fh, "%s%s--%s%s %s'%s%s%s%s.%s%s%s'",
+ bt_common_color_bold(),
+ bt_common_color_fg_cyan(),
+ component_type_str(type),
+ bt_common_color_reset(),
+ bt_common_color_fg_default(),
+ bt_common_color_bold(),
+ bt_common_color_fg_blue(),
+ shell_plugin_name,
+ bt_common_color_fg_default(),
+ bt_common_color_fg_yellow(),
+ shell_comp_cls_name,
+ bt_common_color_reset());
+
end:
- if (pc) {
- poptFreeContext(pc);
+ g_free(shell_plugin_name);
+ g_free(shell_comp_cls_name);
+}
+
+static
+void print_value(struct bt_value *, size_t);
+
+static
+void print_value_rec(struct bt_value *, size_t);
+
+static
+bool print_map_value(const char *key, struct bt_value *object, void *data)
+{
+ size_t *indent = data;
+
+ print_indent(*indent);
+ printf("%s: ", key);
+
+ if (bt_value_is_array(object) &&
+ bt_value_array_is_empty(object)) {
+ printf("[ ]\n");
+ return true;
}
- return ret;
+
+ if (bt_value_is_map(object) &&
+ bt_value_map_is_empty(object)) {
+ printf("{ }\n");
+ return true;
+ }
+
+ if (bt_value_is_array(object) ||
+ bt_value_is_map(object)) {
+ printf("\n");
+ }
+
+ print_value_rec(object, *indent + 2);
+ return true;
}
-static GPtrArray *traversed_paths = 0;
+static
+void print_value_rec(struct bt_value *value, size_t indent)
+{
+ bool bool_val;
+ int64_t int_val;
+ double dbl_val;
+ const char *str_val;
+ int size;
+ int i;
-/*
- * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
- * it receives the path of the current entry (file, dir, link..etc) with
- * a flag to indicate the type of the entry.
- * if the entry being visited is a directory and contains a metadata file,
- * then add the path to a global list to be processed later in
- * add_traces_recursive.
- */
-static int traverse_trace_dir(const char *fpath, const struct stat *sb,
- int tflag, struct FTW *ftwbuf)
-{
- int dirfd, metafd;
- int closeret;
-
- if (tflag != FTW_D)
- return 0;
-
- dirfd = open(fpath, 0);
- if (dirfd < 0) {
- fprintf(stderr, "[error] [Context] Unable to open trace "
- "directory file descriptor.\n");
- return 0; /* partial error */
- }
- metafd = openat(dirfd, "metadata", O_RDONLY);
- if (metafd < 0) {
- closeret = close(dirfd);
- if (closeret < 0) {
- perror("close");
- return -1;
+ if (!value) {
+ return;
+ }
+
+ switch (bt_value_get_type(value)) {
+ case BT_VALUE_TYPE_NULL:
+ printf("%snull%s\n", bt_common_color_bold(),
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_BOOL:
+ bt_value_bool_get(value, &bool_val);
+ printf("%s%s%s%s\n", bt_common_color_bold(),
+ bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_INTEGER:
+ bt_value_integer_get(value, &int_val);
+ printf("%s%s%" PRId64 "%s\n", bt_common_color_bold(),
+ bt_common_color_fg_red(), int_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_FLOAT:
+ bt_value_float_get(value, &dbl_val);
+ printf("%s%s%lf%s\n", bt_common_color_bold(),
+ bt_common_color_fg_red(), dbl_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_STRING:
+ bt_value_string_get(value, &str_val);
+ printf("%s%s%s%s\n", bt_common_color_bold(),
+ bt_common_color_fg_green(), str_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_ARRAY:
+ size = bt_value_array_size(value);
+ assert(size >= 0);
+
+ if (size == 0) {
+ print_indent(indent);
+ printf("[ ]\n");
+ break;
}
- /* No meta data, just return */
- return 0;
- } else {
- closeret = close(metafd);
- if (closeret < 0) {
- perror("close");
- return -1; /* failure */
+
+ for (i = 0; i < size; i++) {
+ struct bt_value *element =
+ bt_value_array_get(value, i);
+
+ assert(element);
+ print_indent(indent);
+ printf("- ");
+
+ if (bt_value_is_array(element) &&
+ bt_value_array_is_empty(element)) {
+ printf("[ ]\n");
+ continue;
+ }
+
+ if (bt_value_is_map(element) &&
+ bt_value_map_is_empty(element)) {
+ printf("{ }\n");
+ continue;
+ }
+
+ if (bt_value_is_array(element) ||
+ bt_value_is_map(element)) {
+ printf("\n");
+ }
+
+ print_value_rec(element, indent + 2);
+ BT_PUT(element);
}
- closeret = close(dirfd);
- if (closeret < 0) {
- perror("close");
- return -1; /* failure */
+ break;
+ case BT_VALUE_TYPE_MAP:
+ if (bt_value_map_is_empty(value)) {
+ print_indent(indent);
+ printf("{ }\n");
+ break;
}
- /* Add path to the global list */
- if (traversed_paths == NULL) {
- fprintf(stderr, "[error] [Context] Invalid open path array.\n");
- return -1;
- }
- g_ptr_array_add(traversed_paths, g_string_new(fpath));
+ bt_value_map_foreach(value, print_map_value, &indent);
+ break;
+ default:
+ assert(false);
}
+}
- return 0;
+static
+void print_value(struct bt_value *value, size_t indent)
+{
+ if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
+ print_indent(indent);
+ }
+
+ print_value_rec(value, indent);
}
-/*
- * bt_context_add_traces_recursive: Open a trace recursively
- *
- * Find each trace present in the subdirectory starting from the given
- * path, and add them to the context. The packet_seek parameter can be
- * NULL: this specify to use the default format packet_seek.
- *
- * Return: 0 on success, < 0 on failure, > 0 on partial failure.
- * Unable to open toplevel: failure.
- * Unable to open some subdirectory or file: warn and continue (partial
- * failure);
- */
-int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
- const char *format_str,
- void (*packet_seek)(struct bt_stream_pos *pos,
- size_t offset, int whence))
+static
+void print_bt_config_component(struct bt_config_component *bt_config_component)
{
+ printf(" ");
+ print_plugin_comp_cls_opt(stdout, bt_config_component->plugin_name->str,
+ bt_config_component->comp_cls_name->str,
+ bt_config_component->type);
+ printf(":\n");
+
+ if (bt_config_component->instance_name->len > 0) {
+ printf(" Name: %s\n",
+ bt_config_component->instance_name->str);
+ }
- GArray *trace_ids;
- int ret = 0;
+ printf(" Parameters:\n");
+ print_value(bt_config_component->params, 8);
+}
- /* Should lock traversed_paths mutex here if used in multithread */
-
- traversed_paths = g_ptr_array_new();
- trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
-
- ret = nftw(path, traverse_trace_dir, 10, 0);
-
- /* Process the array if ntfw did not return a fatal error */
- if (ret >= 0) {
- int i;
-
- for (i = 0; i < traversed_paths->len; i++) {
- GString *trace_path = g_ptr_array_index(traversed_paths,
- i);
- int trace_id = bt_context_add_trace(ctx,
- trace_path->str,
- format_str,
- packet_seek,
- NULL,
- NULL);
- if (trace_id < 0) {
- fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
- "for reading.\n", trace_path->str, path);
- /* Allow to skip erroneous traces. */
- ret = 1; /* partial error */
- } else {
- g_array_append_val(trace_ids, trace_id);
- }
- g_string_free(trace_path, TRUE);
- }
+static
+void print_bt_config_components(GPtrArray *array)
+{
+ size_t i;
+
+ for (i = 0; i < array->len; i++) {
+ struct bt_config_component *cfg_component =
+ bt_config_get_component(array, i);
+ print_bt_config_component(cfg_component);
+ BT_PUT(cfg_component);
}
+}
- g_ptr_array_free(traversed_paths, TRUE);
- traversed_paths = NULL;
+static
+void print_plugin_paths(struct bt_value *plugin_paths)
+{
+ printf(" Plugin paths:\n");
+ print_value(plugin_paths, 4);
+}
- /* Should unlock traversed paths mutex here if used in multithread */
+static
+void print_cfg_run(struct bt_config *cfg)
+{
+ size_t i;
+
+ print_plugin_paths(cfg->plugin_paths);
+ printf(" Source component instances:\n");
+ print_bt_config_components(cfg->cmd_data.run.sources);
- /*
- * Return an error if no trace can be opened.
- */
- if (trace_ids->len == 0) {
- fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
- ret = -ENOENT; /* failure */
+ if (cfg->cmd_data.run.filters->len > 0) {
+ printf(" Filter component instances:\n");
+ print_bt_config_components(cfg->cmd_data.run.filters);
}
- g_array_free(trace_ids, TRUE);
- return ret;
+
+ printf(" Sink component instances:\n");
+ print_bt_config_components(cfg->cmd_data.run.sinks);
+ printf(" Connections:\n");
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *cfg_connection =
+ g_ptr_array_index(cfg->cmd_data.run.connections,
+ i);
+
+ printf(" %s%s%s -> %s%s%s\n",
+ cfg_connection->src_instance_name->str,
+ cfg_connection->src_port_name->len > 0 ? "." : "",
+ cfg_connection->src_port_name->str,
+ cfg_connection->dst_instance_name->str,
+ cfg_connection->dst_port_name->len > 0 ? "." : "",
+ cfg_connection->dst_port_name->str);
+ }
+}
+
+static
+void print_cfg_list_plugins(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+}
+
+static
+void print_cfg_help(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
}
static
-int trace_pre_handler(struct bt_trace_descriptor *td_write,
- struct bt_context *ctx)
+void print_cfg_print_ctf_metadata(struct bt_config *cfg)
{
- struct ctf_text_stream_pos *sout;
- struct trace_collection *tc;
- int ret, i;
+ print_plugin_paths(cfg->plugin_paths);
+ printf(" Path: %s\n", cfg->cmd_data.print_ctf_metadata.path->str);
+}
- sout = container_of(td_write, struct ctf_text_stream_pos,
- trace_descriptor);
+static
+void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+ printf(" URL: %s\n", cfg->cmd_data.print_lttng_live_sessions.url->str);
+}
+
+static
+void print_cfg_query(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+ printf(" Object: `%s`\n", cfg->cmd_data.query.object->str);
+ printf(" Component class:\n");
+ print_bt_config_component(cfg->cmd_data.query.cfg_component);
+}
+
+static
+void print_cfg(struct bt_config *cfg)
+{
+ if (!babeltrace_verbose) {
+ return;
+ }
- if (!sout->parent.pre_trace_cb)
- return 0;
+ printf("Configuration:\n");
+ printf(" Debug mode: %s\n", cfg->debug ? "yes" : "no");
+ printf(" Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
+
+ switch (cfg->command) {
+ case BT_CONFIG_COMMAND_RUN:
+ print_cfg_run(cfg);
+ break;
+ case BT_CONFIG_COMMAND_LIST_PLUGINS:
+ print_cfg_list_plugins(cfg);
+ break;
+ case BT_CONFIG_COMMAND_HELP:
+ print_cfg_help(cfg);
+ break;
+ case BT_CONFIG_COMMAND_QUERY:
+ print_cfg_query(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+ print_cfg_print_ctf_metadata(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+ print_cfg_print_lttng_live_sessions(cfg);
+ break;
+ default:
+ assert(false);
+ }
+}
+
+static
+struct bt_component *create_trimmer(struct bt_config_component *source_cfg)
+{
+ struct bt_component *trimmer = NULL;
+ struct bt_component_class *trimmer_class = NULL;
+ struct bt_value *trimmer_params = NULL;
+ struct bt_value *value;
+
+ trimmer_params = bt_value_map_create();
+ if (!trimmer_params) {
+ goto end;
+ }
+
+ value = bt_value_map_get(source_cfg->params, "begin");
+ if (value) {
+ enum bt_value_status ret;
+
+ ret = bt_value_map_insert(trimmer_params, "begin",
+ value);
+ BT_PUT(value);
+ if (ret) {
+ goto end;
+ }
+ }
+ value = bt_value_map_get(source_cfg->params, "end");
+ if (value) {
+ enum bt_value_status ret;
- tc = ctx->tc;
- for (i = 0; i < tc->array->len; i++) {
- struct bt_trace_descriptor *td =
- g_ptr_array_index(tc->array, i);
+ ret = bt_value_map_insert(trimmer_params, "end",
+ value);
+ BT_PUT(value);
+ if (ret) {
+ goto end;
+ }
+ }
+ value = bt_value_map_get(source_cfg->params, "clock-gmt");
+ if (value) {
+ enum bt_value_status ret;
- ret = sout->parent.pre_trace_cb(&sout->parent, td);
+ ret = bt_value_map_insert(trimmer_params, "clock-gmt",
+ value);
+ BT_PUT(value);
if (ret) {
- fprintf(stderr, "[error] Writing to trace pre handler failed.\n");
goto end;
}
}
- ret = 0;
+
+ trimmer_class = find_component_class("utils", "trimmer",
+ BT_COMPONENT_CLASS_TYPE_FILTER);
+ if (!trimmer_class) {
+ fprintf(stderr, "Could not find trimmer component class. Aborting...\n");
+ goto end;
+ }
+ trimmer = bt_component_create(trimmer_class, "source_trimmer",
+ trimmer_params);
+ if (!trimmer) {
+ goto end;
+ }
end:
+ bt_put(trimmer_params);
+ bt_put(trimmer_class);
+ return trimmer;
+}
+
+static
+int connect_source_sink(struct bt_graph *graph,
+ struct bt_component *source,
+ struct bt_config_component *source_cfg,
+ struct bt_component *sink)
+{
+ int ret = 0;
+ struct bt_connection *connection = NULL;
+ struct bt_component *trimmer = NULL;
+ struct bt_port *source_port =
+ bt_component_source_get_default_output_port(source);
+ struct bt_port *sink_port =
+ bt_component_sink_get_default_input_port(sink);
+ struct bt_port *to_sink_port = NULL;
+ struct bt_port *trimmer_input_port = NULL;
+
+ if (!source_port) {
+ fprintf(stderr, "Failed to find default source output port. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+ if (!sink_port) {
+ fprintf(stderr, "Failed to find default sink input port. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_value_map_has_key(source_cfg->params, "begin")
+ || bt_value_map_has_key(source_cfg->params, "end")) {
+ /* A trimmer must be inserted in the graph. */
+ trimmer = create_trimmer(source_cfg);
+ if (!trimmer) {
+ fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ trimmer_input_port = bt_component_filter_get_default_input_port(
+ trimmer);
+ if (!trimmer_input_port) {
+ fprintf(stderr, "Failed to find trimmer input port. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+ to_sink_port = bt_component_filter_get_default_output_port(
+ trimmer);
+ if (!to_sink_port) {
+ fprintf(stderr, "Failed to find trimmer output port. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ connection = bt_graph_connect_ports(graph, source_port,
+ trimmer_input_port);
+ if (!connection) {
+ fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+ BT_PUT(connection);
+ } else {
+ BT_MOVE(to_sink_port, source_port);
+ }
+
+ connection = bt_graph_connect_ports(graph, to_sink_port, sink_port);
+ if (!connection) {
+ fprintf(stderr, "Failed to connect to sink. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+end:
+ bt_put(trimmer);
+ bt_put(source_port);
+ bt_put(sink_port);
+ bt_put(to_sink_port);
+ bt_put(connection);
return ret;
}
static
-int trace_post_handler(struct bt_trace_descriptor *td_write,
- struct bt_context *ctx)
+void add_to_loaded_plugins(struct bt_plugin **plugins)
{
- struct ctf_text_stream_pos *sout;
- struct trace_collection *tc;
- int ret, i;
+ while (*plugins) {
+ struct bt_plugin *plugin = *plugins;
+ /* Check if it's already loaded (from another path). */
+ struct bt_plugin *loaded_plugin =
+ find_plugin(bt_plugin_get_name(plugin));
+
+ if (loaded_plugin) {
+ printf_verbose("Not loading plugin `%s`: already loaded from `%s`\n",
+ bt_plugin_get_path(plugin),
+ bt_plugin_get_path(loaded_plugin));
+ BT_PUT(loaded_plugin);
+ BT_PUT(plugin);
+ } else {
+ /* Transfer ownership to global array. */
+ g_ptr_array_add(loaded_plugins, plugin);
+ }
+ *(plugins++) = NULL;
+ }
+}
- sout = container_of(td_write, struct ctf_text_stream_pos,
- trace_descriptor);
+static
+int load_dynamic_plugins(struct bt_value *plugin_paths)
+{
+ int nr_paths, i, ret = 0;
- if (!sout->parent.post_trace_cb)
- return 0;
+ nr_paths = bt_value_array_size(plugin_paths);
+ if (nr_paths < 0) {
+ ret = -1;
+ goto end;
+ }
- tc = ctx->tc;
- for (i = 0; i < tc->array->len; i++) {
- struct bt_trace_descriptor *td =
- g_ptr_array_index(tc->array, i);
+ for (i = 0; i < nr_paths; i++) {
+ struct bt_value *plugin_path_value = NULL;
+ const char *plugin_path;
+ struct bt_plugin **plugins;
- ret = sout->parent.post_trace_cb(&sout->parent, td);
- if (ret) {
- fprintf(stderr, "[error] Writing to trace post handler failed.\n");
- goto end;
+ plugin_path_value = bt_value_array_get(plugin_paths, i);
+ if (bt_value_string_get(plugin_path_value,
+ &plugin_path)) {
+ BT_PUT(plugin_path_value);
+ continue;
+ }
+
+ plugins = bt_plugin_create_all_from_dir(plugin_path, false);
+ if (!plugins) {
+ printf_debug("Unable to dynamically load plugins from path %s.\n",
+ plugin_path);
+ BT_PUT(plugin_path_value);
+ continue;
}
+
+ add_to_loaded_plugins(plugins);
+ free(plugins);
+
+ BT_PUT(plugin_path_value);
}
- ret = 0;
end:
return ret;
}
static
-int convert_trace(struct bt_trace_descriptor *td_write,
- struct bt_context *ctx)
+int load_static_plugins(void)
{
- struct bt_ctf_iter *iter;
- struct ctf_text_stream_pos *sout;
- struct bt_iter_pos begin_pos;
- struct bt_ctf_event *ctf_event;
- int ret;
+ int ret = 0;
+ struct bt_plugin **plugins;
- sout = container_of(td_write, struct ctf_text_stream_pos,
- trace_descriptor);
+ plugins = bt_plugin_create_all_from_static();
+ if (!plugins) {
+ printf_debug("Unable to load static plugins.\n");
+ ret = -1;
+ goto end;
+ }
- if (!sout->parent.event_cb)
- return 0;
+ add_to_loaded_plugins(plugins);
+ free(plugins);
+end:
+ return ret;
+}
- begin_pos.type = BT_SEEK_BEGIN;
- iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
- if (!iter) {
+static int load_all_plugins(struct bt_value *plugin_paths)
+{
+ int ret = 0;
+
+ if (load_dynamic_plugins(plugin_paths)) {
+ fprintf(stderr, "Failed to load dynamic plugins.\n");
ret = -1;
- goto error_iter;
+ goto end;
}
- while ((ctf_event = bt_ctf_iter_read_event(iter))) {
- ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
- if (ret) {
- fprintf(stderr, "[error] Writing event failed.\n");
- goto end;
+
+ if (load_static_plugins()) {
+ fprintf(stderr, "Failed to load static plugins.\n");
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static void print_plugin_info(struct bt_plugin *plugin)
+{
+ unsigned int major, minor, patch;
+ const char *extra;
+ enum bt_plugin_status version_status;
+ const char *plugin_name;
+ const char *path;
+ const char *author;
+ const char *license;
+ const char *plugin_description;
+
+ plugin_name = bt_plugin_get_name(plugin);
+ path = bt_plugin_get_path(plugin);
+ author = bt_plugin_get_author(plugin);
+ license = bt_plugin_get_license(plugin);
+ plugin_description = bt_plugin_get_description(plugin);
+ version_status = bt_plugin_get_version(plugin, &major, &minor,
+ &patch, &extra);
+ printf("%s%s%s%s:\n", bt_common_color_bold(),
+ bt_common_color_fg_blue(), plugin_name,
+ bt_common_color_reset());
+ printf(" %sPath%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(), path ? path : "(None)");
+
+ if (version_status == BT_PLUGIN_STATUS_OK) {
+ printf(" %sVersion%s: %u.%u.%u",
+ bt_common_color_bold(), bt_common_color_reset(),
+ major, minor, patch);
+
+ if (extra) {
+ printf("%s", extra);
}
- ret = bt_iter_next(bt_ctf_get_iter(iter));
- if (ret < 0)
- goto end;
+
+ printf("\n");
}
- ret = 0;
+
+ printf(" %sDescription%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ plugin_description ? plugin_description : "(None)");
+ printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(), author ? author : "(Unknown)");
+ printf(" %sLicense%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ license ? license : "(Unknown)");
+}
+
+static int cmd_query(struct bt_config *cfg)
+{
+ int ret;
+ struct bt_component_class *comp_cls = NULL;
+ struct bt_value *results = NULL;
+
+ ret = load_all_plugins(cfg->plugin_paths);
+ if (ret) {
+ goto end;
+ }
+
+ comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ if (!comp_cls) {
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ fprintf(stderr, "\n");
+ ret = -1;
+ goto end;
+ }
+
+ results = bt_component_class_query(comp_cls,
+ cfg->cmd_data.query.object->str,
+ cfg->cmd_data.query.cfg_component->params);
+ if (!results) {
+ fprintf(stderr, "%s%sFailed to query info to %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ fprintf(stderr, "%s%s with object `%s`%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ cfg->cmd_data.query.object->str,
+ bt_common_color_reset());
+ ret = -1;
+ goto end;
+ }
+
+ print_value(results, 0);
end:
- bt_ctf_iter_destroy(iter);
-error_iter:
+ bt_put(comp_cls);
+ bt_put(results);
return ret;
}
-int main(int argc, char **argv)
+static int cmd_help(struct bt_config *cfg)
{
- int ret, partial_error = 0, open_success = 0;
- struct bt_format *fmt_write;
- struct bt_trace_descriptor *td_write;
- struct bt_context *ctx;
- int i;
+ int ret;
+ struct bt_plugin *plugin = NULL;
+ size_t i;
- opt_input_paths = g_ptr_array_new();
-
- ret = parse_options(argc, argv);
- if (ret < 0) {
- fprintf(stderr, "Error parsing options.\n\n");
- usage(stderr);
- g_ptr_array_free(opt_input_paths, TRUE);
- exit(EXIT_FAILURE);
- } else if (ret > 0) {
- g_ptr_array_free(opt_input_paths, TRUE);
- exit(EXIT_SUCCESS);
- }
- printf_verbose("Verbose mode active.\n");
- printf_debug("Debug mode active.\n");
-
- if (opt_input_format)
- strlower(opt_input_format);
- if (opt_output_format)
- strlower(opt_output_format);
-
- printf_verbose("Converting from directory(ies):\n");
- for (i = 0; i < opt_input_paths->len; i++) {
- const char *ipath = g_ptr_array_index(opt_input_paths, i);
- printf_verbose(" %s\n", ipath);
- }
- printf_verbose("Converting from format: %s\n",
- opt_input_format ? : "ctf <default>");
- printf_verbose("Converting to target: %s\n",
- opt_output_path ? : "<stdout>");
- printf_verbose("Converting to format: %s\n",
- opt_output_format ? : "text <default>");
-
- if (!opt_input_format) {
- opt_input_format = strdup("ctf");
- if (!opt_input_format) {
- partial_error = 1;
+ ret = load_all_plugins(cfg->plugin_paths);
+ if (ret) {
+ goto end;
+ }
+
+ plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
+ if (!plugin) {
+ fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
+ bt_common_color_bold(), bt_common_color_fg_red(),
+ bt_common_color_fg_blue(),
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ bt_common_color_reset());
+ ret = -1;
+ goto end;
+ }
+
+ print_plugin_info(plugin);
+ printf(" %sComponent classes%s: %d\n",
+ bt_common_color_bold(),
+ bt_common_color_reset(),
+ bt_plugin_get_component_class_count(plugin));
+
+
+ if (cfg->cmd_data.help.cfg_component->type !=
+ BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+ struct bt_component_class *needed_comp_cls =
+ find_component_class(
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+
+ if (!needed_comp_cls) {
+ fprintf(stderr, "\n%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+ fprintf(stderr, "\n");
+ ret = -1;
goto end;
}
+
+ bt_put(needed_comp_cls);
}
- if (!opt_output_format) {
- opt_output_format = strdup("text");
- if (!opt_output_format) {
- partial_error = 1;
- goto end;
+
+ for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
+ struct bt_component_class *comp_cls =
+ bt_plugin_get_component_class(plugin, i);
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_cls);
+ const char *comp_class_description =
+ bt_component_class_get_description(comp_cls);
+ const char *comp_class_help =
+ bt_component_class_get_help(comp_cls);
+ enum bt_component_class_type type =
+ bt_component_class_get_type(comp_cls);
+
+ assert(comp_cls);
+
+ if (cfg->cmd_data.help.cfg_component->type !=
+ BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+ if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ comp_class_name) != 0 &&
+ type ==
+ cfg->cmd_data.help.cfg_component->type) {
+ bt_put(comp_cls);
+ continue;
+ }
}
+
+ printf("\n");
+ print_plugin_comp_cls_opt(stdout,
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ comp_class_name,
+ type);
+ printf("\n");
+ printf(" %sDescription%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ comp_class_description ? comp_class_description : "(None)");
+
+ if (comp_class_help) {
+ printf("\n%s\n", comp_class_help);
+ }
+
+ bt_put(comp_cls);
}
- fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
- if (!fmt_read || fmt_read->name != g_quark_from_static_string("ctf")) {
- fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
- opt_input_format);
- partial_error = 1;
+
+end:
+ bt_put(plugin);
+ return ret;
+}
+
+static int cmd_list_plugins(struct bt_config *cfg)
+{
+ int ret;
+ int plugins_count, component_classes_count = 0, i;
+
+ ret = load_all_plugins(cfg->plugin_paths);
+ if (ret) {
goto end;
}
- fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
- if (!fmt_write) {
- fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
- opt_output_format);
- partial_error = 1;
+
+ printf("From the following plugin paths:\n\n");
+ print_value(cfg->plugin_paths, 2);
+ printf("\n");
+ plugins_count = loaded_plugins->len;
+ if (plugins_count == 0) {
+ fprintf(stderr, "%s%sNo plugins found.%s\n",
+ bt_common_color_bold(), bt_common_color_fg_red(),
+ bt_common_color_reset());
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Please make sure your plugin search path is set correctly. You can use\n");
+ fprintf(stderr, "the --plugin-path command-line option or the BABELTRACE_PLUGIN_PATH\n");
+ fprintf(stderr, "environment variable.\n");
+ ret = -1;
goto end;
}
- ctx = bt_context_create();
- if (!ctx) {
- goto error_td_read;
+ for (i = 0; i < plugins_count; i++) {
+ struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+ component_classes_count += bt_plugin_get_component_class_count(plugin);
}
- for (i = 0; i < opt_input_paths->len; i++) {
- const char *ipath = g_ptr_array_index(opt_input_paths, i);
- ret = bt_context_add_traces_recursive(ctx, ipath,
- opt_input_format, NULL);
- if (ret < 0) {
- fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
- ipath);
- } else if (ret > 0) {
- fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
- ipath);
- open_success = 1; /* some traces were OK */
- partial_error = 1;
+ printf("Found %s%d%s component classes in %s%d%s plugins.\n",
+ bt_common_color_bold(),
+ component_classes_count,
+ bt_common_color_reset(),
+ bt_common_color_bold(),
+ plugins_count,
+ bt_common_color_reset());
+
+ for (i = 0; i < plugins_count; i++) {
+ int j;
+ struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+ component_classes_count =
+ bt_plugin_get_component_class_count(plugin);
+ printf("\n");
+ print_plugin_info(plugin);
+
+ if (component_classes_count == 0) {
+ printf(" %sComponent classes%s: (None)\n",
+ bt_common_color_bold(),
+ bt_common_color_reset());
} else {
- open_success = 1; /* all traces were OK */
+ printf(" %sComponent classes%s:\n",
+ bt_common_color_bold(),
+ bt_common_color_reset());
+ }
+
+ for (j = 0; j < component_classes_count; j++) {
+ struct bt_component_class *comp_class =
+ bt_plugin_get_component_class(plugin, j);
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_class);
+ const char *comp_class_description =
+ bt_component_class_get_description(comp_class);
+ enum bt_component_class_type type =
+ bt_component_class_get_type(comp_class);
+
+ printf(" ");
+ print_plugin_comp_cls_opt(stdout,
+ bt_plugin_get_name(plugin), comp_class_name,
+ type);
+
+ if (comp_class_description) {
+ printf(": %s", comp_class_description);
+ }
+
+ printf("\n");
+ bt_put(comp_class);
}
}
- if (!open_success) {
- fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
- goto error_td_read;
- }
- td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
- if (!td_write) {
- fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
- opt_output_path ? : "<none>");
- goto error_td_write;
+end:
+ return ret;
+}
+
+static int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+{
+ printf("TODO\n");
+ return -1;
+}
+
+static int cmd_print_ctf_metadata(struct bt_config *cfg)
+{
+ int ret = 0;
+ struct bt_component_class *comp_cls = NULL;
+ struct bt_value *results = NULL;
+ struct bt_value *params = NULL;
+ struct bt_value *metadata_text_value = NULL;
+ const char *metadata_text = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "fs";
+ static const enum bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+
+ assert(cfg->cmd_data.print_ctf_metadata.path);
+ comp_cls = find_component_class(plugin_name, comp_cls_name,
+ comp_cls_type);
+ if (!comp_cls) {
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr, plugin_name,
+ comp_cls_name, comp_cls_type);
+ fprintf(stderr, "\n");
+ ret = -1;
+ goto end;
}
- /*
- * Errors happened when opening traces, but we continue anyway.
- * sleep to let user see the stderr output before stdout.
- */
- if (partial_error)
- sleep(PARTIAL_ERROR_SLEEP);
+ params = bt_value_map_create();
+ if (!params) {
+ ret = -1;
+ goto end;
+ }
- ret = trace_pre_handler(td_write, ctx);
+ ret = bt_value_map_insert_string(params, "path",
+ cfg->cmd_data.print_ctf_metadata.path->str);
if (ret) {
- fprintf(stderr, "Error in trace pre handle.\n\n");
- goto error_copy_trace;
+ ret = -1;
+ goto end;
+ }
+
+ results = bt_component_class_query(comp_cls, "metadata-info",
+ params);
+ if (!results) {
+ ret = -1;
+ fprintf(stderr, "%s%sFailed to request metadata info%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ goto end;
+ }
+
+ metadata_text_value = bt_value_map_get(results, "text");
+ if (!metadata_text_value) {
+ ret = -1;
+ goto end;
}
- ret = convert_trace(td_write, ctx);
+ ret = bt_value_string_get(metadata_text_value, &metadata_text);
+ assert(ret == 0);
+ printf("%s\n", metadata_text);
+
+end:
+ bt_put(results);
+ bt_put(params);
+ bt_put(metadata_text_value);
+ bt_put(comp_cls);
+ return 0;
+}
+
+static int cmd_run(struct bt_config *cfg)
+{
+ int ret = 0;
+ struct bt_component_class *source_class = NULL;
+ struct bt_component_class *sink_class = NULL;
+ struct bt_component *source = NULL, *sink = NULL;
+ struct bt_value *source_params = NULL, *sink_params = NULL;
+ struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
+ struct bt_graph *graph = NULL;
+
+ ret = load_all_plugins(cfg->plugin_paths);
if (ret) {
- fprintf(stderr, "Error printing trace.\n\n");
- goto error_copy_trace;
+ goto end;
+ }
+
+ /* TODO handle more than 1 source and 1 sink. */
+ if (cfg->cmd_data.run.sources->len != 1 ||
+ cfg->cmd_data.run.sinks->len != 1) {
+ fprintf(stderr, "Only one source and one sink component class are supported. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ source_cfg = bt_config_get_component(cfg->cmd_data.run.sources, 0);
+ source_params = bt_get(source_cfg->params);
+ source_class = find_component_class(source_cfg->plugin_name->str,
+ source_cfg->comp_cls_name->str,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
+ if (!source_class) {
+ fprintf(stderr, "Could not find ");
+ print_plugin_comp_cls_opt(stderr, source_cfg->plugin_name->str,
+ source_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SOURCE);
+ fprintf(stderr, ". Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ sink_cfg = bt_config_get_component(cfg->cmd_data.run.sinks, 0);
+ sink_params = bt_get(sink_cfg->params);
+ sink_class = find_component_class(sink_cfg->plugin_name->str,
+ sink_cfg->comp_cls_name->str,
+ BT_COMPONENT_CLASS_TYPE_SINK);
+ if (!sink_class) {
+ fprintf(stderr, "Could not find ");
+ print_plugin_comp_cls_opt(stderr, sink_cfg->plugin_name->str,
+ sink_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SINK);
+ fprintf(stderr, ". Aborting...\n");
+ ret = -1;
+ goto end;
}
- ret = trace_post_handler(td_write, ctx);
+ graph = bt_graph_create();
+ if (!graph) {
+ ret = -1;
+ goto end;
+ }
+
+ source = bt_component_create(source_class, "source", source_params);
+ if (!source) {
+ fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ sink = bt_component_create(sink_class, "sink", sink_params);
+ if (!sink) {
+ fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ ret = connect_source_sink(graph, source, source_cfg, sink);
if (ret) {
- fprintf(stderr, "Error in trace post handle.\n\n");
- goto error_copy_trace;
+ ret = -1;
+ goto end;
+ }
+
+ while (true) {
+ enum bt_graph_status graph_status;
+
+ graph_status = bt_graph_run(graph);
+ switch (graph_status) {
+ case BT_GRAPH_STATUS_AGAIN:
+ /* Wait for an arbitraty 500 ms. */
+ usleep(500000);
+ break;
+ case BT_COMPONENT_STATUS_END:
+ goto end;
+ default:
+ fprintf(stderr, "Sink component returned an error, aborting...\n");
+ ret = -1;
+ goto end;
+ }
+ }
+
+end:
+ bt_put(sink_class);
+ bt_put(source_class);
+ bt_put(source);
+ bt_put(sink);
+ bt_put(source_params);
+ bt_put(sink_params);
+ bt_put(sink_cfg);
+ bt_put(source_cfg);
+ bt_put(graph);
+ return ret;
+}
+
+static void warn_command_name_and_directory_clash(struct bt_config *cfg)
+{
+ if (!cfg->command_name) {
+ return;
}
- fmt_write->close_trace(td_write);
+ if (g_file_test(cfg->command_name,
+ G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
+ fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
+ cfg->command_name);
+ fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
+ cfg->command_name);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " babeltrace convert %s [OPTIONS]\n",
+ cfg->command_name);
+ }
+}
- bt_context_put(ctx);
- printf_verbose("finished converting. Output written to:\n%s\n",
- opt_output_path ? : "<stdout>");
- goto end;
+int main(int argc, const char **argv)
+{
+ int ret;
+ int retcode;
+ struct bt_config *cfg;
+
+ init_loaded_plugins_array();
+ cfg = bt_config_from_args_with_defaults(argc, argv, &retcode);
+
+ if (retcode < 0) {
+ /* Quit without errors; typically usage/version */
+ retcode = 0;
+ goto end;
+ }
+
+ if (retcode > 0) {
+ goto end;
+ }
+
+ if (!cfg) {
+ fprintf(stderr, "Failed to create Babeltrace configuration\n");
+ retcode = 1;
+ goto end;
+ }
+
+ babeltrace_debug = cfg->debug;
+ babeltrace_verbose = cfg->verbose;
+ print_cfg(cfg);
+
+ if (cfg->command_needs_plugins) {
+ ret = load_all_plugins(cfg->plugin_paths);
+ if (ret) {
+ retcode = 1;
+ goto end;
+ }
+ }
+
+ switch (cfg->command) {
+ case BT_CONFIG_COMMAND_RUN:
+ ret = cmd_run(cfg);
+ break;
+ case BT_CONFIG_COMMAND_LIST_PLUGINS:
+ ret = cmd_list_plugins(cfg);
+ break;
+ case BT_CONFIG_COMMAND_HELP:
+ ret = cmd_help(cfg);
+ break;
+ case BT_CONFIG_COMMAND_QUERY:
+ ret = cmd_query(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+ ret = cmd_print_ctf_metadata(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+ ret = cmd_print_lttng_live_sessions(cfg);
+ break;
+ default:
+ assert(false);
+ }
- /* Error handling */
-error_copy_trace:
- fmt_write->close_trace(td_write);
-error_td_write:
- bt_context_put(ctx);
-error_td_read:
- partial_error = 1;
+ warn_command_name_and_directory_clash(cfg);
+ retcode = ret ? 1 : 0;
- /* teardown and exit */
end:
- free(opt_input_format);
- free(opt_output_format);
- free(opt_output_path);
- g_ptr_array_free(opt_input_paths, TRUE);
- if (partial_error)
- exit(EXIT_FAILURE);
- else
- exit(EXIT_SUCCESS);
+ BT_PUT(cfg);
+ fini_loaded_plugins_array();
+ return retcode;
}
projects / babeltrace.git / blobdiff