* SOFTWARE.
*/
+#define BT_LOG_TAG "CLI"
+#include "logging.h"
+
#include <babeltrace/babeltrace.h>
#include <babeltrace/plugin/plugin.h>
#include <babeltrace/common-internal.h>
#include <babeltrace/graph/notification-iterator.h>
#include <babeltrace/ref.h>
#include <babeltrace/values.h>
+#include <babeltrace/values-internal.h>
+#include <babeltrace/logging.h>
+#include <unistd.h>
#include <stdlib.h>
#include <popt.h>
#include <string.h>
#include <stdio.h>
#include <glib.h>
#include <inttypes.h>
+#include <unistd.h>
+#include <signal.h>
#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-connect.h"
-#include "default-cfg.h"
+#include "babeltrace-cfg-cli-args.h"
+#include "babeltrace-cfg-cli-args-default.h"
+
+#define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
+#define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
+#define NSEC_PER_SEC 1000000000LL
+
+/*
+ * Known environment variable names for the log levels of the project's
+ * modules.
+ */
+static const char* log_level_env_var_names[] = {
+ "BABELTRACE_COMMON_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_FS_SRC_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_SRC_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_NOTIF_ITER_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_LTTNG_UTILS_DEBUG_INFO_FLT_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_TEXT_DMESG_SRC_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_UTILS_MUXER_FLT_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_UTILS_TRIMMER_FLT_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTFCOPYTRACE_LIB_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_FS_SINK_LOG_LEVEL",
+ "BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
+ NULL,
+};
+
+/* Application's processing graph (weak) */
+static struct bt_graph *the_graph;
+static bool canceled = false;
GPtrArray *loaded_plugins;
static
-void init_loaded_plugins_array(void)
+void sigint_handler(int signum)
+{
+ if (signum != SIGINT) {
+ return;
+ }
+
+ if (the_graph) {
+ bt_graph_cancel(the_graph);
+ }
+
+ canceled = true;
+}
+
+static
+void init_static_data(void)
{
- loaded_plugins = g_ptr_array_new_full(8, bt_put);
+ loaded_plugins = g_ptr_array_new_with_free_func(bt_put);
}
static
-void fini_loaded_plugins_array(void)
+void fini_static_data(void)
{
g_ptr_array_free(loaded_plugins, TRUE);
}
int i;
struct bt_plugin *plugin = NULL;
+ assert(name);
+ BT_LOGD("Finding plugin: name=\"%s\"", name);
+
for (i = 0; i < loaded_plugins->len; i++) {
plugin = g_ptr_array_index(loaded_plugins, i);
plugin = NULL;
}
+ if (BT_LOG_ON_DEBUG) {
+ if (plugin) {
+ BT_LOGD("Found plugin: plugin-addr=%p", plugin);
+ } else {
+ BT_LOGD("Cannot find plugin.");
+ }
+ }
+
return bt_get(plugin);
}
enum bt_component_class_type comp_class_type)
{
struct bt_component_class *comp_class = NULL;
- struct bt_plugin *plugin = find_plugin(plugin_name);
+ struct bt_plugin *plugin;
+
+ BT_LOGD("Finding component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ plugin_name, comp_class_name, comp_class_type);
+
+ plugin = find_plugin(plugin_name);
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:
+ if (BT_LOG_ON_DEBUG) {
+ if (comp_class) {
+ BT_LOGD("Found component class: comp-cls-addr=%p",
+ comp_class);
+ } else {
+ BT_LOGD("Cannot find component class.");
+ }
+ }
+
return comp_class;
}
static
-void print_indent(size_t indent)
+void print_indent(FILE *fp, size_t indent)
{
size_t i;
for (i = 0; i < indent; i++) {
- printf(" ");
- }
-}
-
-static char *escape_name_for_shell(const char *input)
-{
- char *output = g_malloc0(strlen(input) * 5 + 1);
- const char *in;
- char *out = output;
-
- if (!output) {
- goto end;
+ fprintf(fp, " ");
}
-
- for (in = input; *in != '\0'; in++) {
- switch (*in) {
- case '\\':
- *out++ = '\\';
- *out++ = '\\';
- break;
- case '\'':
- *out++ = '\'';
- *out++ = '"';
- *out++ = '\'';
- *out++ = '"';
- *out++ = '\'';
- break;
- case '.':
- *out++ = '\\';
- *out++ = '.';
- break;
- default:
- *out++ = *in;
- break;
- }
- }
-
-end:
- return output;
}
static
return "filter";
case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
default:
- return "unknown";
+ return "(unknown)";
}
}
-static void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
+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;
+ GString *shell_plugin_name = NULL;
+ GString *shell_comp_cls_name = NULL;
- shell_plugin_name = escape_name_for_shell(plugin_name);
+ shell_plugin_name = bt_common_shell_quote(plugin_name, false);
if (!shell_plugin_name) {
goto end;
}
- shell_comp_cls_name = escape_name_for_shell(comp_cls_name);
+ shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
if (!shell_comp_cls_name) {
goto end;
}
- fprintf(fh, "%s%s--%s%s %s'%s%s%s%s.%s%s%s'",
+ fprintf(fh, "'%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,
+ shell_plugin_name->str,
bt_common_color_fg_default(),
bt_common_color_fg_yellow(),
- shell_comp_cls_name,
+ shell_comp_cls_name->str,
bt_common_color_reset());
end:
- g_free(shell_plugin_name);
- g_free(shell_comp_cls_name);
+ if (shell_plugin_name) {
+ g_string_free(shell_plugin_name, TRUE);
+ }
+
+ if (shell_comp_cls_name) {
+ g_string_free(shell_comp_cls_name, TRUE);
+ }
}
static
-void print_value(struct bt_value *, size_t);
+void print_value(FILE *, struct bt_value *, size_t);
static
-void print_value_rec(struct bt_value *, size_t);
+void print_value_rec(FILE *, struct bt_value *, size_t);
+
+struct print_map_value_data {
+ size_t indent;
+ FILE *fp;
+};
static
-bool print_map_value(const char *key, struct bt_value *object, void *data)
+bt_bool print_map_value(const char *key, struct bt_value *object, void *data)
{
- size_t *indent = data;
+ struct print_map_value_data *print_map_value_data = data;
- print_indent(*indent);
- printf("%s: ", key);
+ print_indent(print_map_value_data->fp, print_map_value_data->indent);
+ fprintf(print_map_value_data->fp, "%s: ", key);
if (bt_value_is_array(object) &&
bt_value_array_is_empty(object)) {
- printf("[ ]\n");
+ fprintf(print_map_value_data->fp, "[ ]\n");
return true;
}
if (bt_value_is_map(object) &&
bt_value_map_is_empty(object)) {
- printf("{ }\n");
+ fprintf(print_map_value_data->fp, "{ }\n");
return true;
}
if (bt_value_is_array(object) ||
bt_value_is_map(object)) {
- printf("\n");
+ fprintf(print_map_value_data->fp, "\n");
}
- print_value_rec(object, *indent + 2);
- return true;
+ print_value_rec(print_map_value_data->fp, object,
+ print_map_value_data->indent + 2);
+ return BT_TRUE;
}
static
-void print_value_rec(struct bt_value *value, size_t indent)
+void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
{
- bool bool_val;
+ bt_bool bool_val;
int64_t int_val;
double dbl_val;
const char *str_val;
int size;
int i;
+ enum bt_value_status status;
if (!value) {
return;
switch (bt_value_get_type(value)) {
case BT_VALUE_TYPE_NULL:
- printf("%snull%s\n", bt_common_color_bold(),
+ fprintf(fp, "%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(),
+ status = bt_value_bool_get(value, &bool_val);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ fprintf(fp, "%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(),
+ status = bt_value_integer_get(value, &int_val);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ fprintf(fp, "%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(),
+ status = bt_value_float_get(value, &dbl_val);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ fprintf(fp, "%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(),
+ status = bt_value_string_get(value, &str_val);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ fprintf(fp, "%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) {
+ goto error;
+ }
if (size == 0) {
- print_indent(indent);
- printf("[ ]\n");
+ print_indent(fp, indent);
+ fprintf(fp, "[ ]\n");
break;
}
struct bt_value *element =
bt_value_array_get(value, i);
- assert(element);
- print_indent(indent);
- printf("- ");
+ if (!element) {
+ goto error;
+ }
+ print_indent(fp, indent);
+ fprintf(fp, "- ");
if (bt_value_is_array(element) &&
bt_value_array_is_empty(element)) {
- printf("[ ]\n");
+ fprintf(fp, "[ ]\n");
continue;
}
if (bt_value_is_map(element) &&
bt_value_map_is_empty(element)) {
- printf("{ }\n");
+ fprintf(fp, "{ }\n");
continue;
}
if (bt_value_is_array(element) ||
bt_value_is_map(element)) {
- printf("\n");
+ fprintf(fp, "\n");
}
- print_value_rec(element, indent + 2);
+ print_value_rec(fp, element, indent + 2);
BT_PUT(element);
}
break;
case BT_VALUE_TYPE_MAP:
+ {
+ struct print_map_value_data data = {
+ .indent = indent,
+ .fp = fp,
+ };
+
if (bt_value_map_is_empty(value)) {
- print_indent(indent);
- printf("{ }\n");
+ print_indent(fp, indent);
+ fprintf(fp, "{ }\n");
break;
}
- bt_value_map_foreach(value, print_map_value, &indent);
+ bt_value_map_foreach(value, print_map_value, &data);
break;
+ }
default:
- assert(false);
+ abort();
}
+ return;
+
+error:
+ BT_LOGE("Error printing value of type %s.",
+ bt_value_type_string(bt_value_get_type(value)));
}
static
-void print_value(struct bt_value *value, size_t indent)
+void print_value(FILE *fp, struct bt_value *value, size_t indent)
{
if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
- print_indent(indent);
+ print_indent(fp, indent);
}
- print_value_rec(value, indent);
+ print_value_rec(fp, value, indent);
}
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,
+ fprintf(stderr, " ");
+ print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
bt_config_component->comp_cls_name->str,
bt_config_component->type);
- printf(":\n");
+ fprintf(stderr, ":\n");
if (bt_config_component->instance_name->len > 0) {
- printf(" Name: %s\n",
+ fprintf(stderr, " Name: %s\n",
bt_config_component->instance_name->str);
}
- printf(" Parameters:\n");
- print_value(bt_config_component->params, 8);
+ fprintf(stderr, " Parameters:\n");
+ print_value(stderr, bt_config_component->params, 8);
}
static
static
void print_plugin_paths(struct bt_value *plugin_paths)
{
- printf(" Plugin paths:\n");
- print_value(plugin_paths, 4);
+ fprintf(stderr, " Plugin paths:\n");
+ print_value(stderr, plugin_paths, 4);
}
static
size_t i;
print_plugin_paths(cfg->plugin_paths);
- printf(" Source component instances:\n");
+ fprintf(stderr, " Source component instances:\n");
print_bt_config_components(cfg->cmd_data.run.sources);
if (cfg->cmd_data.run.filters->len > 0) {
- printf(" Filter component instances:\n");
+ fprintf(stderr, " Filter component instances:\n");
print_bt_config_components(cfg->cmd_data.run.filters);
}
- printf(" Sink component instances:\n");
+ fprintf(stderr, " Sink component instances:\n");
print_bt_config_components(cfg->cmd_data.run.sinks);
- printf(" Connections:\n");
+ fprintf(stderr, " 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);
+ fprintf(stderr, " %s%s%s -> %s%s%s\n",
+ cfg_connection->upstream_comp_name->str,
+ cfg_connection->upstream_port_glob->len > 0 ? "." : "",
+ cfg_connection->upstream_port_glob->str,
+ cfg_connection->downstream_comp_name->str,
+ cfg_connection->downstream_port_glob->len > 0 ? "." : "",
+ cfg_connection->downstream_port_glob->str);
}
}
void print_cfg_print_ctf_metadata(struct bt_config *cfg)
{
print_plugin_paths(cfg->plugin_paths);
- printf(" Path: %s\n", cfg->cmd_data.print_ctf_metadata.path->str);
+ fprintf(stderr, " Path: %s\n",
+ cfg->cmd_data.print_ctf_metadata.path->str);
}
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);
+ fprintf(stderr, " 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");
+ fprintf(stderr, " Object: `%s`\n", cfg->cmd_data.query.object->str);
+ fprintf(stderr, " Component class:\n");
print_bt_config_component(cfg->cmd_data.query.cfg_component);
}
static
void print_cfg(struct bt_config *cfg)
{
- if (!babeltrace_verbose) {
+ if (!BT_LOG_ON_INFO) {
return;
}
- printf("Configuration:\n");
- printf(" Debug mode: %s\n", cfg->debug ? "yes" : "no");
- printf(" Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
+ BT_LOGI_STR("Configuration:");
+ fprintf(stderr, " Debug mode: %s\n", cfg->debug ? "yes" : "no");
+ fprintf(stderr, " Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
switch (cfg->command) {
case BT_CONFIG_COMMAND_RUN:
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;
-
- 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 = bt_value_map_insert(trimmer_params, "clock-gmt",
- value);
- BT_PUT(value);
- if (ret) {
- goto end;
- }
- }
-
- 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;
+ abort();
}
-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)
+void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
{
- 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);
- }
+ int64_t i;
+ int64_t count;
- 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;
-}
+ count = bt_plugin_set_get_plugin_count(plugin_set);
+ assert(count >= 0);
-static
-void add_to_loaded_plugins(struct bt_plugin **plugins)
-{
- while (*plugins) {
- struct bt_plugin *plugin = *plugins;
- /* Check if it's already loaded (from another path). */
+ for (i = 0; i < count; i++) {
+ struct bt_plugin *plugin =
+ bt_plugin_set_get_plugin(plugin_set, i);
struct bt_plugin *loaded_plugin =
find_plugin(bt_plugin_get_name(plugin));
+ assert(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);
+ BT_LOGI("Not using plugin: another one already exists with the same name: "
+ "plugin-name=\"%s\", plugin-path=\"%s\", "
+ "existing-plugin-path=\"%s\"",
+ bt_plugin_get_name(plugin),
+ bt_plugin_get_path(plugin),
+ bt_plugin_get_path(loaded_plugin));
+ bt_put(loaded_plugin);
} else {
- /* Transfer ownership to global array. */
- g_ptr_array_add(loaded_plugins, plugin);
+ /* Add to global array. */
+ BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
+ bt_plugin_get_name(plugin));
+ g_ptr_array_add(loaded_plugins, bt_get(plugin));
}
- *(plugins++) = NULL;
+
+ bt_put(plugin);
}
}
nr_paths = bt_value_array_size(plugin_paths);
if (nr_paths < 0) {
+ BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
ret = -1;
goto end;
}
+ BT_LOGI("Loading dynamic plugins.");
+
for (i = 0; i < nr_paths; i++) {
struct bt_value *plugin_path_value = NULL;
const char *plugin_path;
- struct bt_plugin **plugins;
+ struct bt_plugin_set *plugin_set;
+ enum bt_value_status status;
plugin_path_value = bt_value_array_get(plugin_paths, i);
- if (bt_value_string_get(plugin_path_value,
- &plugin_path)) {
+ status = bt_value_string_get(plugin_path_value, &plugin_path);
+ if (status != BT_VALUE_STATUS_OK) {
+ BT_LOGD_STR("Cannot get plugin path string.");
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);
+ /*
+ * Skip this if the directory does not exist because
+ * bt_plugin_create_all_from_dir() expects an existing
+ * directory.
+ */
+ if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
+ BT_LOGV("Skipping nonexistent directory path: "
+ "path=\"%s\"", plugin_path);
BT_PUT(plugin_path_value);
continue;
}
- add_to_loaded_plugins(plugins);
- free(plugins);
+ plugin_set = bt_plugin_create_all_from_dir(plugin_path, false);
+ if (!plugin_set) {
+ BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
+ plugin_path);
+ BT_PUT(plugin_path_value);
+ continue;
+ }
+ add_to_loaded_plugins(plugin_set);
+ bt_put(plugin_set);
BT_PUT(plugin_path_value);
}
end:
int load_static_plugins(void)
{
int ret = 0;
- struct bt_plugin **plugins;
+ struct bt_plugin_set *plugin_set;
- plugins = bt_plugin_create_all_from_static();
- if (!plugins) {
- printf_debug("Unable to load static plugins.\n");
+ BT_LOGI("Loading static plugins.");
+ plugin_set = bt_plugin_create_all_from_static();
+ if (!plugin_set) {
+ BT_LOGE("Unable to load static plugins.");
ret = -1;
goto end;
}
- add_to_loaded_plugins(plugins);
- free(plugins);
+ add_to_loaded_plugins(plugin_set);
+ bt_put(plugin_set);
end:
return ret;
}
-static int load_all_plugins(struct bt_value *plugin_paths)
+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 end;
}
if (load_static_plugins()) {
- fprintf(stderr, "Failed to load static plugins.\n");
ret = -1;
goto end;
}
+ BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
+
end:
return ret;
}
-static void print_plugin_info(struct bt_plugin *plugin)
+static
+void print_plugin_info(struct bt_plugin *plugin)
{
unsigned int major, minor, patch;
const char *extra;
license ? license : "(Unknown)");
}
-static int cmd_query(struct bt_config *cfg)
+static
+int cmd_query(struct bt_config *cfg)
{
- int ret;
+ int ret = 0;
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) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ 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%sCannot find component class %s",
bt_common_color_bold(),
bt_common_color_fg_red(),
cfg->cmd_data.query.object->str,
cfg->cmd_data.query.cfg_component->params);
if (!results) {
+ BT_LOGE("Failed to query component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d "
+ "object=\"%s\"",
+ 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,
+ cfg->cmd_data.query.object->str);
fprintf(stderr, "%s%sFailed to query info to %s",
bt_common_color_bold(),
bt_common_color_fg_red(),
goto end;
}
- print_value(results, 0);
+ print_value(stdout, results, 0);
end:
bt_put(comp_cls);
return ret;
}
-static int cmd_help(struct bt_config *cfg)
+static
+int cmd_help(struct bt_config *cfg)
{
- int ret;
+ int ret = 0;
struct bt_plugin *plugin = NULL;
size_t i;
- 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) {
+ BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
+ cfg->cmd_data.help.cfg_component->plugin_name->str);
fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
bt_common_color_bold(), bt_common_color_fg_red(),
bt_common_color_fg_blue(),
printf(" %sComponent classes%s: %d\n",
bt_common_color_bold(),
bt_common_color_reset(),
- bt_plugin_get_component_class_count(plugin));
+ (int) bt_plugin_get_component_class_count(plugin));
if (cfg->cmd_data.help.cfg_component->type !=
cfg->cmd_data.help.cfg_component->type);
if (!needed_comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ 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%s%sCannot find component class %s",
bt_common_color_bold(),
bt_common_color_fg_red(),
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);
+ bt_plugin_get_component_class_by_index(plugin, i);
const char *comp_class_name =
bt_component_class_get_name(comp_cls);
const char *comp_class_description =
return ret;
}
-static int cmd_list_plugins(struct bt_config *cfg)
+static
+int cmd_list_plugins(struct bt_config *cfg)
{
- int ret;
+ int ret = 0;
int plugins_count, component_classes_count = 0, i;
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
- }
-
printf("From the following plugin paths:\n\n");
- print_value(cfg->plugin_paths, 2);
+ print_value(stdout, 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;
+ printf("No plugins found.\n");
goto end;
}
print_plugin_info(plugin);
if (component_classes_count == 0) {
- printf(" %sComponent classes%s: (None)\n",
+ printf(" %sComponent classes%s: (none)\n",
bt_common_color_bold(),
bt_common_color_reset());
} else {
for (j = 0; j < component_classes_count; j++) {
struct bt_component_class *comp_class =
- bt_plugin_get_component_class(plugin, j);
+ bt_plugin_get_component_class_by_index(
+ plugin, j);
const char *comp_class_name =
bt_component_class_get_name(comp_class);
const char *comp_class_description =
return ret;
}
-static int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+static
+int cmd_print_lttng_live_sessions(struct bt_config *cfg)
{
- printf("TODO\n");
- return -1;
+ int ret = 0;
+ struct bt_component_class *comp_cls = NULL;
+ struct bt_value *results = NULL;
+ struct bt_value *params = NULL;
+ struct bt_value *map = NULL;
+ struct bt_value *v = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "lttng-live";
+ static const enum bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+ int64_t array_size, i;
+
+ assert(cfg->cmd_data.print_lttng_live_sessions.url);
+ comp_cls = find_component_class(plugin_name, comp_cls_name,
+ comp_cls_type);
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ plugin_name, comp_cls_name,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
+ 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");
+ goto error;
+ }
+
+ params = bt_value_map_create();
+ if (!params) {
+ goto error;
+ }
+
+ ret = bt_value_map_insert_string(params, "url",
+ cfg->cmd_data.print_lttng_live_sessions.url->str);
+ if (ret) {
+ goto error;
+ }
+
+ results = bt_component_class_query(comp_cls, "sessions",
+ params);
+ if (!results) {
+ BT_LOGE_STR("Failed to query for sessions.");
+ fprintf(stderr, "%s%sFailed to request sessions%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ goto error;
+ }
+
+ if (!bt_value_is_array(results)) {
+ BT_LOGE_STR("Expecting an array for sessions query.");
+ fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ goto error;
+ }
+
+ array_size = bt_value_array_size(results);
+ for (i = 0; i < array_size; i++) {
+ const char *url_text;
+ int64_t timer_us, streams, clients;
+
+ map = bt_value_array_get(results, i);
+ if (!map) {
+ BT_LOGE_STR("Unexpected empty array entry.");
+ goto error;
+ }
+ if (!bt_value_is_map(map)) {
+ BT_LOGE_STR("Unexpected entry type.");
+ goto error;
+ }
+
+ v = bt_value_map_get(map, "url");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"url\" entry.");
+ goto error;
+ }
+ ret = bt_value_string_get(v, &url_text);
+ assert(ret == 0);
+ printf("%s", url_text);
+ BT_PUT(v);
+
+ v = bt_value_map_get(map, "timer-us");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
+ goto error;
+ }
+ ret = bt_value_integer_get(v, &timer_us);
+ assert(ret == 0);
+ printf(" (timer = %" PRIu64 ", ", timer_us);
+ BT_PUT(v);
+
+ v = bt_value_map_get(map, "stream-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
+ goto error;
+ }
+ ret = bt_value_integer_get(v, &streams);
+ assert(ret == 0);
+ printf("%" PRIu64 " stream(s), ", streams);
+ BT_PUT(v);
+
+ v = bt_value_map_get(map, "client-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
+ goto error;
+ }
+ ret = bt_value_integer_get(v, &clients);
+ assert(ret == 0);
+ printf("%" PRIu64 " client(s) connected)\n", clients);
+ BT_PUT(v);
+
+ BT_PUT(map);
+ }
+end:
+ bt_put(v);
+ bt_put(map);
+ bt_put(results);
+ bt_put(params);
+ bt_put(comp_cls);
+ return 0;
+
+error:
+ ret = -1;
+ goto end;
}
-static int cmd_print_ctf_metadata(struct bt_config *cfg)
+static
+int cmd_print_ctf_metadata(struct bt_config *cfg)
{
int ret = 0;
struct bt_component_class *comp_cls = NULL;
comp_cls = find_component_class(plugin_name, comp_cls_name,
comp_cls_type);
if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ plugin_name, comp_cls_name,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
fprintf(stderr, "%s%sCannot find component class %s",
bt_common_color_bold(),
bt_common_color_fg_red(),
params);
if (!results) {
ret = -1;
+ BT_LOGE_STR("Failed to query for metadata info.");
fprintf(stderr, "%s%sFailed to request metadata info%s\n",
bt_common_color_bold(),
bt_common_color_fg_red(),
metadata_text_value = bt_value_map_get(results, "text");
if (!metadata_text_value) {
+ BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
ret = -1;
goto end;
}
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) {
- goto end;
- }
+struct port_id {
+ char *instance_name;
+ char *port_name;
+};
- /* 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;
- }
+struct trace_range {
+ uint64_t intersection_range_begin_ns;
+ uint64_t intersection_range_end_ns;
+};
- 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;
- }
+static
+guint port_id_hash(gconstpointer v)
+{
+ const struct port_id *id = v;
- 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;
- }
+ assert(id->instance_name);
+ assert(id->port_name);
- graph = bt_graph_create();
- if (!graph) {
- ret = -1;
- goto end;
- }
+ return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
+}
- 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;
- }
+static
+gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
+{
+ const struct port_id *id1 = v1;
+ const struct port_id *id2 = v2;
- 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;
- }
+ return !strcmp(id1->instance_name, id2->instance_name) &&
+ !strcmp(id1->port_name, id2->port_name);
+}
- ret = connect_source_sink(graph, source, source_cfg, sink);
- if (ret) {
+static
+void port_id_destroy(gpointer data)
+{
+ struct port_id *id = data;
+
+ free(id->instance_name);
+ free(id->port_name);
+ free(id);
+}
+
+static
+void trace_range_destroy(gpointer data)
+{
+ free(data);
+}
+
+struct cmd_run_ctx {
+ /* Owned by this */
+ GHashTable *components;
+
+ /* Owned by this */
+ struct bt_graph *graph;
+
+ /* Weak */
+ struct bt_config *cfg;
+
+ bool connect_ports;
+
+ bool stream_intersection_mode;
+
+ /*
+ * Association of struct port_id -> struct trace_range.
+ */
+ GHashTable *intersections;
+};
+
+/* Returns a timestamp of the form "(-)s.ns" */
+static
+char *s_from_ns(int64_t ns)
+{
+ int ret;
+ char *s_ret = NULL;
+ bool is_negative;
+ int64_t ts_sec_abs, ts_nsec_abs;
+ int64_t ts_sec = ns / NSEC_PER_SEC;
+ int64_t ts_nsec = ns % NSEC_PER_SEC;
+
+ if (ts_sec >= 0 && ts_nsec >= 0) {
+ is_negative = false;
+ ts_sec_abs = ts_sec;
+ ts_nsec_abs = ts_nsec;
+ } else if (ts_sec > 0 && ts_nsec < 0) {
+ is_negative = false;
+ ts_sec_abs = ts_sec - 1;
+ ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
+ } else if (ts_sec == 0 && ts_nsec < 0) {
+ is_negative = true;
+ ts_sec_abs = ts_sec;
+ ts_nsec_abs = -ts_nsec;
+ } else if (ts_sec < 0 && ts_nsec > 0) {
+ is_negative = true;
+ ts_sec_abs = -(ts_sec + 1);
+ ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
+ } else if (ts_sec < 0 && ts_nsec == 0) {
+ is_negative = true;
+ ts_sec_abs = -ts_sec;
+ ts_nsec_abs = ts_nsec;
+ } else { /* (ts_sec < 0 && ts_nsec < 0) */
+ is_negative = true;
+ ts_sec_abs = -ts_sec;
+ ts_nsec_abs = -ts_nsec;
+ }
+
+ ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
+ is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
+ if (ret < 0) {
+ s_ret = NULL;
+ }
+ return s_ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port_to_downstream_component(
+ struct cmd_run_ctx *ctx, struct bt_component *upstream_comp,
+ struct bt_port *upstream_port,
+ struct bt_config_connection *cfg_conn)
+{
+ int ret = 0;
+ GQuark downstreamp_comp_name_quark;
+ struct bt_component *downstream_comp;
+ int64_t downstream_port_count;
+ uint64_t i;
+ int64_t (*port_count_fn)(struct bt_component *);
+ struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
+ enum bt_graph_status status = BT_GRAPH_STATUS_ERROR;
+ bool insert_trimmer = false;
+ struct bt_value *trimmer_params = NULL;
+ char *intersection_begin = NULL;
+ char *intersection_end = NULL;
+ struct bt_component *trimmer = NULL;
+ struct bt_component_class *trimmer_class = NULL;
+ struct bt_port *trimmer_input = NULL;
+ struct bt_port *trimmer_output = NULL;
+
+ if (ctx->intersections &&
+ bt_component_get_class_type(upstream_comp) ==
+ BT_COMPONENT_CLASS_TYPE_SOURCE) {
+ struct trace_range *range;
+ struct port_id port_id = {
+ .instance_name = (char *) bt_component_get_name(upstream_comp),
+ .port_name = (char *) bt_port_get_name(upstream_port)
+ };
+
+ if (!port_id.instance_name || !port_id.port_name) {
+ goto error;
+ }
+
+ range = (struct trace_range *) g_hash_table_lookup(
+ ctx->intersections, &port_id);
+ if (range) {
+ enum bt_value_status status;
+
+ intersection_begin = s_from_ns(
+ range->intersection_range_begin_ns);
+ intersection_end = s_from_ns(
+ range->intersection_range_end_ns);
+ if (!intersection_begin || !intersection_end) {
+ BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
+ goto error;
+ }
+
+ insert_trimmer = true;
+ trimmer_params = bt_value_map_create();
+ if (!trimmer_params) {
+ goto error;
+ }
+
+ status = bt_value_map_insert_string(trimmer_params,
+ "begin", intersection_begin);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ status = bt_value_map_insert_string(trimmer_params,
+ "end", intersection_end);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ }
+
+ trimmer_class = find_component_class("utils", "trimmer",
+ BT_COMPONENT_CLASS_TYPE_FILTER);
+ if (!trimmer_class) {
+ goto error;
+ }
+ }
+
+ BT_LOGI("Connecting upstream port to the next available downstream port: "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
+ upstream_port, bt_port_get_name(upstream_port),
+ cfg_conn->downstream_comp_name->str,
+ cfg_conn->arg->str);
+ downstreamp_comp_name_quark = g_quark_from_string(
+ cfg_conn->downstream_comp_name->str);
+ assert(downstreamp_comp_name_quark > 0);
+ downstream_comp = g_hash_table_lookup(ctx->components,
+ GUINT_TO_POINTER(downstreamp_comp_name_quark));
+ if (!downstream_comp) {
+ BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
+ "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
+ cfg_conn->arg->str);
+ fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
+ cfg_conn->arg->str);
+ goto error;
+ }
+
+ if (bt_component_is_filter(downstream_comp)) {
+ port_count_fn = bt_component_filter_get_input_port_count;
+ port_by_index_fn = bt_component_filter_get_input_port_by_index;
+ } else if (bt_component_is_sink(downstream_comp)) {
+ port_count_fn = bt_component_sink_get_input_port_count;
+ port_by_index_fn = bt_component_sink_get_input_port_by_index;
+ } else {
+ /*
+ * Should never happen because the connections are
+ * validated before we get here.
+ */
+ BT_LOGF("Invalid connection: downstream component is a source: "
+ "conn-arg=\"%s\"", cfg_conn->arg->str);
+ abort();
+ }
+
+ downstream_port_count = port_count_fn(downstream_comp);
+ assert(downstream_port_count >= 0);
+
+ for (i = 0; i < downstream_port_count; i++) {
+ struct bt_port *downstream_port =
+ port_by_index_fn(downstream_comp, i);
+ const char *upstream_port_name;
+ const char *downstream_port_name;
+
+ assert(downstream_port);
+
+ /* Skip port if it's already connected. */
+ if (bt_port_is_connected(downstream_port)) {
+ bt_put(downstream_port);
+ BT_LOGD("Skipping downstream port: already connected: "
+ "port-addr=%p, port-name=\"%s\"",
+ downstream_port,
+ bt_port_get_name(downstream_port));
+ continue;
+ }
+
+ downstream_port_name = bt_port_get_name(downstream_port);
+ assert(downstream_port_name);
+ upstream_port_name = bt_port_get_name(upstream_port);
+ assert(upstream_port_name);
+
+ if (!bt_common_star_glob_match(
+ cfg_conn->downstream_port_glob->str, SIZE_MAX,
+ downstream_port_name, SIZE_MAX)) {
+ bt_put(downstream_port);
+ continue;
+ }
+
+ if (insert_trimmer) {
+ /*
+ * In order to insert the trimmer between the two
+ * components that were being connected, we create
+ * a connection configuration entry which describes
+ * a connection from the trimmer's output to the
+ * original input that was being connected.
+ *
+ * Hence, the creation of the trimmer will cause the
+ * graph "new port" listener to establish all downstream
+ * connections as its output port is connected. We will
+ * then establish the connection between the original
+ * upstream source and the trimmer.
+ */
+ char *trimmer_name = NULL;
+ enum bt_graph_status graph_status;
+
+ ret = asprintf(&trimmer_name, "%s-%s",
+ "stream-intersection-trimmer",
+ upstream_port_name);
+ if (ret < 0) {
+ goto error;
+ }
+ ret = 0;
+
+ ctx->connect_ports = false;
+ graph_status = bt_graph_add_component(ctx->graph,
+ trimmer_class, trimmer_name, trimmer_params,
+ &trimmer);
+ free(trimmer_name);
+ if (graph_status != BT_GRAPH_STATUS_OK) {
+ goto error;
+ }
+ assert(trimmer);
+
+ trimmer_input =
+ bt_component_filter_get_input_port_by_index(
+ trimmer, 0);
+ if (!trimmer_input) {
+ goto error;
+ }
+ trimmer_output =
+ bt_component_filter_get_output_port_by_index(
+ trimmer, 0);
+ if (!trimmer_output) {
+ goto error;
+ }
+
+ /*
+ * Replace the current downstream port by the trimmer's
+ * upstream port.
+ */
+ BT_MOVE(downstream_port, trimmer_input);
+ downstream_port_name = bt_port_get_name(
+ downstream_port);
+ if (!downstream_port_name) {
+ goto error;
+ }
+ }
+
+ /* We have a winner! */
+ status = bt_graph_connect_ports(ctx->graph,
+ upstream_port, downstream_port, NULL);
+ BT_PUT(downstream_port);
+ switch (status) {
+ case BT_GRAPH_STATUS_OK:
+ break;
+ case BT_GRAPH_STATUS_CANCELED:
+ BT_LOGI_STR("Graph was canceled by user.");
+ status = BT_GRAPH_STATUS_OK;
+ break;
+ case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+ BT_LOGE("A component refused a connection to one of its ports: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+ "conn-arg=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, cfg_conn->downstream_comp_name->str,
+ downstream_port, downstream_port_name,
+ cfg_conn->arg->str);
+ fprintf(stderr,
+ "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
+ bt_port_get_name(upstream_port),
+ downstream_port_name,
+ cfg_conn->arg->str);
+ break;
+ default:
+ BT_LOGE("Cannot create connection: graph refuses to connect ports: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+ "conn-arg=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, cfg_conn->downstream_comp_name->str,
+ downstream_port, downstream_port_name,
+ cfg_conn->arg->str);
+ fprintf(stderr,
+ "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
+ bt_port_get_name(upstream_port),
+ downstream_port_name,
+ cfg_conn->arg->str);
+ goto error;
+ }
+
+ BT_LOGI("Connected component ports: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+ "conn-arg=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, cfg_conn->downstream_comp_name->str,
+ downstream_port, downstream_port_name,
+ cfg_conn->arg->str);
+
+ if (insert_trimmer) {
+ /*
+ * The first connection, from the source to the trimmer,
+ * has been done. We now connect the trimmer to the
+ * original downstream port.
+ */
+ ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
+ ctx, trimmer, trimmer_output, cfg_conn);
+ if (ret) {
+ goto error;
+ }
+ ctx->connect_ports = true;
+ }
+ goto end;
+ }
+
+ if (status != BT_GRAPH_STATUS_OK) {
+ BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
+ upstream_port, bt_port_get_name(upstream_port),
+ cfg_conn->downstream_comp_name->str,
+ cfg_conn->arg->str);
+ fprintf(stderr,
+ "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
+ bt_port_get_name(upstream_port), cfg_conn->arg->str);
+ goto error;
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ free(intersection_begin);
+ free(intersection_end);
+ BT_PUT(trimmer_params);
+ BT_PUT(trimmer_class);
+ BT_PUT(trimmer);
+ BT_PUT(trimmer_input);
+ BT_PUT(trimmer_output);
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
+ struct bt_port *upstream_port)
+{
+ int ret = 0;
+ const char *upstream_port_name;
+ const char *upstream_comp_name;
+ struct bt_component *upstream_comp = NULL;
+ size_t i;
+
+ assert(ctx);
+ assert(upstream_port);
+ upstream_port_name = bt_port_get_name(upstream_port);
+ assert(upstream_port_name);
+ upstream_comp = bt_port_get_component(upstream_port);
+ if (!upstream_comp) {
+ BT_LOGW("Upstream port to connect is not part of a component: "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_port, upstream_port_name);
+ ret = -1;
+ goto end;
+ }
+
+ upstream_comp_name = bt_component_get_name(upstream_comp);
+ assert(upstream_comp_name);
+ BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_comp, upstream_comp_name,
+ upstream_port, upstream_port_name);
+
+ for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *cfg_conn =
+ g_ptr_array_index(
+ ctx->cfg->cmd_data.run.connections, i);
+
+ if (strcmp(cfg_conn->upstream_comp_name->str,
+ upstream_comp_name)) {
+ continue;
+ }
+
+ if (!bt_common_star_glob_match(
+ cfg_conn->upstream_port_glob->str,
+ SIZE_MAX, upstream_port_name, SIZE_MAX)) {
+ continue;
+ }
+
+ ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
+ ctx, upstream_comp, upstream_port, cfg_conn);
+ if (ret) {
+ BT_LOGE("Cannot connect upstream port: "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_port,
+ upstream_port_name);
+ fprintf(stderr,
+ "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
+ upstream_port_name,
+ upstream_comp_name,
+ cfg_conn->arg->str);
+ goto error;
+ }
+ goto end;
+ }
+
+ BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
+ "port-addr=%p, port-name=\"%s\"", upstream_port,
+ upstream_port_name);
+ fprintf(stderr,
+ "Cannot create connection: upstream port `%s` does not match any connection\n",
+ upstream_port_name);
+
+error:
+ ret = -1;
+
+end:
+ bt_put(upstream_comp);
+ return ret;
+}
+
+static
+void graph_port_added_listener(struct bt_port *port, void *data)
+{
+ struct bt_component *comp = NULL;
+ struct cmd_run_ctx *ctx = data;
+
+ comp = bt_port_get_component(port);
+ BT_LOGI("Port added to a graph's component: comp-addr=%p, "
+ "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
+ comp, comp ? bt_component_get_name(comp) : "",
+ port, bt_port_get_name(port));
+
+ if (!ctx->connect_ports) {
+ goto end;
+ }
+
+ if (!comp) {
+ BT_LOGW_STR("Port has no component.");
+ goto end;
+ }
+
+ if (bt_port_is_connected(port)) {
+ BT_LOGW_STR("Port is already connected.");
+ goto end;
+ }
+
+ if (!bt_port_is_output(port)) {
+ BT_LOGI_STR("Skipping input port.");
+ goto end;
+ }
+
+ if (cmd_run_ctx_connect_upstream_port(ctx, port)) {
+ BT_LOGF_STR("Cannot connect upstream port.");
+ fprintf(stderr, "Added port could not be connected: aborting\n");
+ abort();
+ }
+
+end:
+ bt_put(comp);
+ return;
+}
+
+static
+void graph_port_removed_listener(struct bt_component *component,
+ struct bt_port *port, void *data)
+{
+ BT_LOGI("Port removed from a graph's component: comp-addr=%p, "
+ "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
+ component, bt_component_get_name(component),
+ port, bt_port_get_name(port));
+}
+
+static
+void graph_ports_connected_listener(struct bt_port *upstream_port,
+ struct bt_port *downstream_port, void *data)
+{
+ struct bt_component *upstream_comp = bt_port_get_component(upstream_port);
+ struct bt_component *downstream_comp = bt_port_get_component(downstream_port);
+
+ assert(upstream_comp);
+ assert(downstream_comp);
+ BT_LOGI("Graph's component ports connected: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, bt_component_get_name(downstream_comp),
+ downstream_port, bt_port_get_name(downstream_port));
+ bt_put(upstream_comp);
+ bt_put(downstream_comp);
+}
+
+static
+void graph_ports_disconnected_listener(
+ struct bt_component *upstream_component,
+ struct bt_component *downstream_component,
+ struct bt_port *upstream_port, struct bt_port *downstream_port,
+ void *data)
+{
+ BT_LOGI("Graph's component ports disconnected: "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\"",
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_port, bt_port_get_name(downstream_port));
+}
+
+static
+void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
+{
+ if (!ctx) {
+ return;
+ }
+
+ if (ctx->components) {
+ g_hash_table_destroy(ctx->components);
+ ctx->components = NULL;
+ }
+
+ if (ctx->intersections) {
+ g_hash_table_destroy(ctx->intersections);
+ ctx->intersections = NULL;
+ }
+
+ BT_PUT(ctx->graph);
+ the_graph = NULL;
+ ctx->cfg = NULL;
+}
+
+static
+int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
+{
+ int ret = 0;
+
+ ctx->cfg = cfg;
+ ctx->connect_ports = false;
+ ctx->components = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+ NULL, bt_put);
+ if (!ctx->components) {
+ goto error;
+ }
+
+ if (cfg->cmd_data.run.stream_intersection_mode) {
+ ctx->stream_intersection_mode = true;
+ ctx->intersections = g_hash_table_new_full(port_id_hash,
+ port_id_equal, port_id_destroy, trace_range_destroy);
+ if (!ctx->intersections) {
+ goto error;
+ }
+ }
+
+ ctx->graph = bt_graph_create();
+ if (!ctx->graph) {
+ goto error;
+ }
+
+ the_graph = ctx->graph;
+ ret = bt_graph_add_port_added_listener(ctx->graph,
+ graph_port_added_listener, ctx);
+ if (ret < 0) {
+ BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+ goto error;
+ }
+
+ ret = bt_graph_add_port_removed_listener(ctx->graph,
+ graph_port_removed_listener, ctx);
+ if (ret < 0) {
+ BT_LOGE_STR("Cannot add \"port removed\" listener to graph.");
+ goto error;
+ }
+
+ ret = bt_graph_add_ports_connected_listener(ctx->graph,
+ graph_ports_connected_listener, ctx);
+ if (ret < 0) {
+ BT_LOGE_STR("Cannot add \"ports connected\" listener to graph.");
+ goto error;
+ }
+
+ ret = bt_graph_add_ports_disconnected_listener(ctx->graph,
+ graph_ports_disconnected_listener, ctx);
+ if (ret < 0) {
+ BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
+ goto error;
+ }
+
+ goto end;
+
+error:
+ cmd_run_ctx_destroy(ctx);
+ ret = -1;
+
+end:
+ return ret;
+}
+
+static
+int set_stream_intersections(struct cmd_run_ctx *ctx,
+ struct bt_config_component *cfg_comp,
+ struct bt_component_class *comp_cls)
+{
+ int ret = 0;
+ uint64_t trace_idx;
+ int64_t trace_count;
+ enum bt_value_status value_status;
+ const char *path = NULL;
+ struct bt_value *component_path_value = NULL;
+ struct bt_value *query_params = NULL;
+ struct bt_value *query_result = NULL;
+ struct bt_value *trace_info = NULL;
+ struct bt_value *intersection_range = NULL;
+ struct bt_value *intersection_begin = NULL;
+ struct bt_value *intersection_end = NULL;
+ struct bt_value *stream_path_value = NULL;
+ struct bt_value *stream_paths = NULL;
+ struct bt_value *stream_infos = NULL;
+ struct bt_value *stream_info = NULL;
+ struct port_id *port_id = NULL;
+ struct trace_range *trace_range = NULL;
+
+ component_path_value = bt_value_map_get(cfg_comp->params, "path");
+ if (!bt_value_is_string(component_path_value)) {
+ BT_LOGD("Cannot get path parameter: component-name=%s",
+ cfg_comp->instance_name->str);
+ ret = -1;
+ goto error;
+ }
+
+ value_status = bt_value_string_get(component_path_value, &path);
+ if (value_status != BT_VALUE_STATUS_OK) {
+ BT_LOGD("Cannot get path string value: component-name=%s",
+ cfg_comp->instance_name->str);
+ ret = -1;
+ goto error;
+ }
+
+ query_params = bt_value_map_create();
+ if (!query_params) {
+ BT_LOGE_STR("Cannot create query parameters.");
+ ret = -1;
+ goto error;
+ }
+
+ value_status = bt_value_map_insert(query_params, "path", component_path_value);
+ if (value_status != BT_VALUE_STATUS_OK) {
+ BT_LOGE_STR("Cannot insert path parameter in query paramater map.");
+ ret = -1;
+ goto error;
+ }
+
+ query_result = bt_component_class_query(comp_cls, "trace-info",
+ query_params);
+ if (!query_result) {
+ BT_LOGD("Component class \'%s\' does not support the \'trace-info\' query.",
+ bt_component_class_get_name(comp_cls));
+ ret = -1;
+ goto error;
+ }
+
+ if (!bt_value_is_array(query_result)) {
+ BT_LOGD("Unexpected format of \'trace-info\' query result: "
+ "component-class-name=%s",
+ bt_component_class_get_name(comp_cls));
+ ret = -1;
+ goto error;
+ }
+
+ trace_count = bt_value_array_size(query_result);
+ if (trace_count < 0) {
+ ret = -1;
+ goto error;
+ }
+
+ for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
+ int64_t begin, end;
+ uint64_t stream_idx;
+ int64_t stream_count;
+
+ trace_info = bt_value_array_get(query_result, trace_idx);
+ if (!trace_info || !bt_value_is_map(trace_info)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve trace from query result.");
+ goto error;
+ }
+
+ intersection_range = bt_value_map_get(trace_info,
+ "intersection-range-ns");
+ if (!intersection_range) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
+ goto error;
+ }
+
+ intersection_begin = bt_value_map_get(intersection_range,
+ "begin");
+ if (!intersection_begin) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
+ goto error;
+ }
+
+ intersection_end = bt_value_map_get(intersection_range,
+ "end");
+ if (!intersection_end) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
+ goto error;
+ }
+
+ value_status = bt_value_integer_get(intersection_begin, &begin);
+ if (value_status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'begin\' field from query result.");
+ goto error;
+ }
+
+ value_status = bt_value_integer_get(intersection_end, &end);
+ if (value_status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'end\' field from query result.");
+ goto error;
+ }
+
+ if (begin < 0 || end < 0 || end < begin) {
+ BT_LOGW("Invalid trace stream intersection values: "
+ "intersection-range-ns:begin=%" PRId64
+ ", intersection-range-ns:end=%" PRId64,
+ begin, end);
+ ret = -1;
+ goto error;
+ }
+
+ stream_infos = bt_value_map_get(trace_info, "streams");
+ if (!stream_infos || !bt_value_is_array(stream_infos)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
+ goto error;
+ }
+
+ stream_count = bt_value_array_size(stream_infos);
+ if (stream_count < 0) {
+ ret = -1;
+ goto error;
+ }
+
+ /*
+ * FIXME
+ *
+ * The first path of a stream's "paths" is currently used to
+ * associate streams/ports to a given trace intersection.
+ *
+ * This is a fragile hack as it relies on the port names
+ * being set to the various streams path.
+ *
+ * A stream name should be introduced as part of the trace-info
+ * query result.
+ */
+ for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
+ const char *stream_path;
+
+ port_id = g_new0(struct port_id, 1);
+ if (!port_id) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for port_id structure.");
+ goto error;
+ }
+ port_id->instance_name = strdup(cfg_comp->instance_name->str);
+ if (!port_id->instance_name) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
+ goto error;
+ }
+
+ trace_range = g_new0(struct trace_range, 1);
+ if (!trace_range) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
+ goto error;
+ }
+ trace_range->intersection_range_begin_ns = begin;
+ trace_range->intersection_range_end_ns = end;
+
+ stream_info = bt_value_array_get(stream_infos,
+ stream_idx);
+ if (!stream_info || !bt_value_is_map(stream_info)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
+ goto error;
+ }
+
+ stream_paths = bt_value_map_get(stream_info, "paths");
+ if (!stream_paths || !bt_value_is_array(stream_paths)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
+ goto error;
+ }
+
+ stream_path_value = bt_value_array_get(stream_paths, 0);
+ if (!stream_path_value ||
+ !bt_value_is_string(stream_path_value)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream path value from trace in query result.");
+ goto error;
+ }
+
+ value_status = bt_value_string_get(stream_path_value,
+ &stream_path);
+ if (value_status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto error;
+ }
+
+ port_id->port_name = strdup(stream_path);
+ if (!port_id->port_name) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
+ goto error;
+ }
+
+ BT_LOGD("Inserting stream intersection ");
+
+ g_hash_table_insert(ctx->intersections, port_id, trace_range);
+
+ port_id = NULL;
+ trace_range = NULL;
+ BT_PUT(stream_info);
+ BT_PUT(stream_paths);
+ BT_PUT(stream_path_value);
+ }
+
+ BT_PUT(trace_info);
+ BT_PUT(stream_paths);
+ BT_PUT(stream_path_value);
+ BT_PUT(intersection_range);
+ BT_PUT(intersection_begin);
+ BT_PUT(intersection_end);
+ BT_PUT(stream_paths);
+ BT_PUT(stream_path_value);
+ }
+
+ goto end;
+
+error:
+ fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_yellow(),
+ path ? path : "(unknown)",
+ bt_common_color_reset());
+end:
+ bt_put(component_path_value);
+ bt_put(query_params);
+ bt_put(query_result);
+ bt_put(trace_info);
+ bt_put(intersection_range);
+ bt_put(intersection_begin);
+ bt_put(intersection_end);
+ bt_put(stream_infos);
+ bt_put(stream_info);
+ bt_put(stream_paths);
+ bt_put(stream_path_value);
+ g_free(port_id);
+ g_free(trace_range);
+ return ret;
+}
+
+static
+int cmd_run_ctx_create_components_from_config_components(
+ struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
+{
+ size_t i;
+ struct bt_component_class *comp_cls = NULL;
+ struct bt_component *comp = NULL;
+ int ret = 0;
+
+ for (i = 0; i < cfg_components->len; i++) {
+ struct bt_config_component *cfg_comp =
+ g_ptr_array_index(cfg_components, i);
+ GQuark quark;
+
+ comp_cls = find_component_class(cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str, cfg_comp->type);
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str,
+ cfg_comp->type);
+ 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_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str,
+ cfg_comp->type);
+ fprintf(stderr, "\n");
+ goto error;
+ }
+
+ ret = bt_graph_add_component(ctx->graph, comp_cls,
+ cfg_comp->instance_name->str, cfg_comp->params, &comp);
+ if (ret) {
+ BT_LOGE("Cannot create component: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d, "
+ "comp-name=\"%s\"",
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str,
+ cfg_comp->type, cfg_comp->instance_name->str);
+ fprintf(stderr, "%s%sCannot create component `%s`%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ cfg_comp->instance_name->str,
+ bt_common_color_reset());
+ goto error;
+ }
+
+ if (ctx->stream_intersection_mode &&
+ cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
+ ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
+ comp, cfg_comp->instance_name->str);
+ quark = g_quark_from_string(cfg_comp->instance_name->str);
+ assert(quark > 0);
+ g_hash_table_insert(ctx->components,
+ GUINT_TO_POINTER(quark), comp);
+ comp = NULL;
+ BT_PUT(comp_cls);
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ bt_put(comp);
+ bt_put(comp_cls);
+ return ret;
+}
+
+static
+int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
+{
+ int ret = 0;
+
+ /*
+ * Make sure that, during this phase, our graph's "port added"
+ * listener does not connect ports while we are creating the
+ * components because we have a special, initial phase for
+ * this.
+ */
+ ctx->connect_ports = false;
+
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.sources);
+ if (ret) {
ret = -1;
goto end;
}
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.filters);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.sinks);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
+ struct bt_component *comp,
+ int64_t (*port_count_fn)(struct bt_component *),
+ struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t))
+{
+ int ret = 0;
+ int64_t count;
+ uint64_t i;
+
+ count = port_count_fn(comp);
+ assert(count >= 0);
+
+ for (i = 0; i < count; i++) {
+ struct bt_port *upstream_port = port_by_index_fn(comp, i);
+
+ assert(upstream_port);
+ ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
+ bt_put(upstream_port);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
+{
+ int ret = 0;
+ GHashTableIter iter;
+ gpointer g_name_quark, g_comp;
+
+ ctx->connect_ports = true;
+ g_hash_table_iter_init(&iter, ctx->components);
+
+ while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+ int64_t (*port_count_fn)(struct bt_component *);
+ struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
+
+ if (bt_component_is_source(g_comp)) {
+ port_count_fn =
+ bt_component_source_get_output_port_count;
+ port_by_index_fn =
+ bt_component_source_get_output_port_by_index;
+ } else if (bt_component_is_filter(g_comp)) {
+ port_count_fn =
+ bt_component_filter_get_output_port_count;
+ port_by_index_fn =
+ bt_component_filter_get_output_port_by_index;
+ } else {
+ continue;
+ }
+
+ ret = cmd_run_ctx_connect_comp_ports(ctx,
+ g_comp, port_count_fn, port_by_index_fn);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static inline
+const char *bt_graph_status_str(enum bt_graph_status status)
+{
+ switch (status) {
+ case BT_GRAPH_STATUS_CANCELED:
+ return "BT_GRAPH_STATUS_CANCELED";
+ case BT_GRAPH_STATUS_AGAIN:
+ return "BT_GRAPH_STATUS_AGAIN";
+ case BT_GRAPH_STATUS_END:
+ return "BT_GRAPH_STATUS_END";
+ case BT_GRAPH_STATUS_OK:
+ return "BT_GRAPH_STATUS_OK";
+ case BT_GRAPH_STATUS_INVALID:
+ return "BT_GRAPH_STATUS_INVALID";
+ case BT_GRAPH_STATUS_NO_SINK:
+ return "BT_GRAPH_STATUS_NO_SINK";
+ case BT_GRAPH_STATUS_ERROR:
+ return "BT_GRAPH_STATUS_ERROR";
+ default:
+ return "(unknown)";
+ }
+}
+
+static
+int cmd_run(struct bt_config *cfg)
+{
+ int ret = 0;
+ struct cmd_run_ctx ctx = { 0 };
+
+ /* Initialize the command's context and the graph object */
+ if (cmd_run_ctx_init(&ctx, cfg)) {
+ BT_LOGE_STR("Cannot initialize the command's context.");
+ fprintf(stderr, "Cannot initialize the command's context\n");
+ goto error;
+ }
+
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before creating components.");
+ goto error;
+ }
+
+ BT_LOGI_STR("Creating components.");
+
+ /* Create the requested component instances */
+ if (cmd_run_ctx_create_components(&ctx)) {
+ BT_LOGE_STR("Cannot create components.");
+ fprintf(stderr, "Cannot create components\n");
+ goto error;
+ }
+
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before connecting components.");
+ goto error;
+ }
+
+ BT_LOGI_STR("Connecting components.");
+
+ /* Connect the initially visible component ports */
+ if (cmd_run_ctx_connect_ports(&ctx)) {
+ BT_LOGE_STR("Cannot connect initial component ports.");
+ fprintf(stderr, "Cannot connect initial component ports\n");
+ goto error;
+ }
+
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before running the graph.");
+ goto error;
+ }
+
+ BT_LOGI_STR("Running the graph.");
+
+ /* Run the graph */
while (true) {
- enum bt_graph_status graph_status;
+ enum bt_graph_status graph_status = bt_graph_run(ctx.graph);
+
+ /*
+ * Reset console in case something messed with console
+ * codes during the graph's execution.
+ */
+ printf("%s", bt_common_color_reset());
+ fflush(stdout);
+ fprintf(stderr, "%s", bt_common_color_reset());
+ BT_LOGV("bt_graph_run() returned: status=%s",
+ bt_graph_status_str(graph_status));
- graph_status = bt_graph_run(graph);
switch (graph_status) {
+ case BT_GRAPH_STATUS_OK:
+ break;
+ case BT_GRAPH_STATUS_CANCELED:
+ BT_LOGI_STR("Graph was canceled by user.");
+ goto error;
case BT_GRAPH_STATUS_AGAIN:
- /* Wait for an arbitraty 500 ms. */
- usleep(500000);
+ if (bt_graph_is_canceled(ctx.graph)) {
+ BT_LOGI_STR("Graph was canceled by user.");
+ goto error;
+ }
+
+ if (cfg->cmd_data.run.retry_duration_us > 0) {
+ BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
+ "time-us=%" PRIu64,
+ cfg->cmd_data.run.retry_duration_us);
+
+ if (usleep(cfg->cmd_data.run.retry_duration_us)) {
+ if (bt_graph_is_canceled(ctx.graph)) {
+ BT_LOGI_STR("Graph was canceled by user.");
+ goto error;
+ }
+ }
+ }
break;
case BT_COMPONENT_STATUS_END:
goto end;
default:
- fprintf(stderr, "Sink component returned an error, aborting...\n");
- ret = -1;
- goto end;
+ BT_LOGE_STR("Graph failed to complete successfully");
+ fprintf(stderr, "Graph failed to complete successfully\n");
+ goto error;
}
}
+ goto end;
+
+error:
+ if (ret == 0) {
+ ret = -1;
+ }
+
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);
+ cmd_run_ctx_destroy(&ctx);
return ret;
}
-static void warn_command_name_and_directory_clash(struct bt_config *cfg)
+static
+void warn_command_name_and_directory_clash(struct bt_config *cfg)
{
+ const char *env_clash;
+
if (!cfg->command_name) {
return;
}
+ env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
+ if (env_clash && strcmp(env_clash, "0") == 0) {
+ return;
+ }
+
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",
}
}
+static
+void init_log_level(void)
+{
+ bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
+}
+
+static
+void set_auto_log_levels(struct bt_config *cfg)
+{
+ const char **env_var_name;
+
+ /*
+ * Override the configuration's default log level if
+ * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
+ * are found for backward compatibility with legacy Babetrace 1.
+ */
+ if (getenv("BABELTRACE_DEBUG") &&
+ strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
+ cfg->log_level = 'V';
+ } else if (getenv("BABELTRACE_VERBOSE") &&
+ strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
+ cfg->log_level = 'I';
+ }
+
+ /*
+ * Set log levels according to --debug or --verbose. For
+ * backward compatibility, --debug is more verbose than
+ * --verbose. So:
+ *
+ * --verbose: INFO log level
+ * --debug: VERBOSE log level (includes DEBUG, which is
+ * is less verbose than VERBOSE in the internal
+ * logging framework)
+ */
+ if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
+ if (cfg->verbose) {
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
+ } else if (cfg->debug) {
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+ } else {
+ /*
+ * Set library's default log level if not
+ * explicitly specified.
+ */
+ switch (cfg->log_level) {
+ case 'N':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
+ break;
+ case 'V':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+ break;
+ case 'D':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
+ break;
+ case 'I':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
+ break;
+ case 'W':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
+ break;
+ case 'E':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
+ break;
+ case 'F':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
+ break;
+ default:
+ abort();
+ }
+ }
+ }
+
+ if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
+ if (cfg->verbose) {
+ bt_cli_log_level = BT_LOG_INFO;
+ } else if (cfg->debug) {
+ bt_cli_log_level = BT_LOG_VERBOSE;
+ } else {
+ /*
+ * Set CLI's default log level if not explicitly
+ * specified.
+ */
+ switch (cfg->log_level) {
+ case 'N':
+ bt_cli_log_level = BT_LOG_NONE;
+ break;
+ case 'V':
+ bt_cli_log_level = BT_LOG_VERBOSE;
+ break;
+ case 'D':
+ bt_cli_log_level = BT_LOG_DEBUG;
+ break;
+ case 'I':
+ bt_cli_log_level = BT_LOG_INFO;
+ break;
+ case 'W':
+ bt_cli_log_level = BT_LOG_WARN;
+ break;
+ case 'E':
+ bt_cli_log_level = BT_LOG_ERROR;
+ break;
+ case 'F':
+ bt_cli_log_level = BT_LOG_FATAL;
+ break;
+ default:
+ abort();
+ }
+ }
+ }
+
+ env_var_name = log_level_env_var_names;
+
+ while (*env_var_name) {
+ if (!getenv(*env_var_name)) {
+ if (cfg->verbose) {
+ g_setenv(*env_var_name, "I", 1);
+ } else if (cfg->debug) {
+ g_setenv(*env_var_name, "V", 1);
+ } else {
+ char val[2] = { 0 };
+
+ /*
+ * Set module's default log level if not
+ * explicitly specified.
+ */
+ val[0] = cfg->log_level;
+ g_setenv(*env_var_name, val, 1);
+ }
+ }
+
+ env_var_name++;
+ }
+}
+
+static
+void set_sigint_handler(void)
+{
+ struct sigaction new_action, old_action;
+
+ new_action.sa_handler = sigint_handler;
+ sigemptyset(&new_action.sa_mask);
+ new_action.sa_flags = 0;
+ sigaction(SIGINT, NULL, &old_action);
+
+ if (old_action.sa_handler != SIG_IGN) {
+ sigaction(SIGINT, &new_action, NULL);
+ }
+}
+
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);
+ init_log_level();
+ set_sigint_handler();
+ init_static_data();
+ cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
if (retcode < 0) {
/* Quit without errors; typically usage/version */
retcode = 0;
+ BT_LOGI_STR("Quitting without errors.");
goto end;
}
if (retcode > 0) {
+ BT_LOGE("Command-line error: retcode=%d", retcode);
goto end;
}
if (!cfg) {
+ BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
fprintf(stderr, "Failed to create Babeltrace configuration\n");
retcode = 1;
goto end;
}
- babeltrace_debug = cfg->debug;
- babeltrace_verbose = cfg->verbose;
+ set_auto_log_levels(cfg);
print_cfg(cfg);
if (cfg->command_needs_plugins) {
ret = load_all_plugins(cfg->plugin_paths);
if (ret) {
+ BT_LOGE("Failed to load plugins: ret=%d", ret);
retcode = 1;
goto end;
}
}
+ BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
+ cfg->command, cfg->command_name);
+
switch (cfg->command) {
case BT_CONFIG_COMMAND_RUN:
ret = cmd_run(cfg);
ret = cmd_print_lttng_live_sessions(cfg);
break;
default:
- assert(false);
+ BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
+ abort();
}
+ BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
+ cfg->command, cfg->command_name, ret);
warn_command_name_and_directory_clash(cfg);
retcode = ret ? 1 : 0;
end:
BT_PUT(cfg);
- fini_loaded_plugins_array();
+ fini_static_data();
return retcode;
}
projects / babeltrace.git / blobdiff