#include <babeltrace/graph/notification-iterator.h>
#include <babeltrace/ref.h>
#include <babeltrace/values.h>
+#include <babeltrace/logging.h>
#include <unistd.h>
#include <stdlib.h>
#include <popt.h>
#include <stdio.h>
#include <glib.h>
#include <inttypes.h>
+#include <unistd.h>
+#include <signal.h>
#include "babeltrace-cfg.h"
#include "babeltrace-cfg-cli-args.h"
#include "babeltrace-cfg-cli-args-default.h"
+#define BT_LOG_TAG "CLI"
+#include "logging.h"
+
#define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
+/* Application's processing graph (weak) */
+static struct bt_graph *the_graph;
+static bool canceled = false;
+
GPtrArray *loaded_plugins;
+BT_HIDDEN
+int bt_cli_log_level = BT_LOG_NONE;
+
+static
+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)
{
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(" ");
+ fprintf(fp, " ");
}
}
}
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;
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(),
+ 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(),
+ 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(),
+ 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(),
+ fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
bt_common_color_fg_green(), str_val,
bt_common_color_reset());
break;
assert(size >= 0);
if (size == 0) {
- print_indent(indent);
- printf("[ ]\n");
+ print_indent(fp, indent);
+ fprintf(fp, "[ ]\n");
break;
}
bt_value_array_get(value, i);
assert(element);
- print_indent(indent);
- printf("- ");
+ 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();
}
}
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",
+ 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,
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);
+ abort();
}
}
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_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 {
/* 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));
}
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_set *plugin_set;
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;
- }
-
+ bt_value_string_get(plugin_path_value, &plugin_path);
+ assert(plugin_path);
plugin_set = bt_plugin_create_all_from_dir(plugin_path, false);
if (!plugin_set) {
- printf_debug("Unable to dynamically load plugins from path %s.\n",
+ BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
plugin_path);
BT_PUT(plugin_path_value);
continue;
int ret = 0;
struct bt_plugin_set *plugin_set;
+ BT_LOGI("Loading static plugins.");
plugin_set = bt_plugin_create_all_from_static();
if (!plugin_set) {
- printf_debug("Unable to load static plugins.\n");
+ BT_LOGE("Unable to load static plugins.");
ret = -1;
goto end;
}
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
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);
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(),
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(),
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;
}
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
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;
}
struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
void *conn = NULL;
+ 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,
(gpointer) (long) 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;
* Should never happen because the connections are
* validated before we get here.
*/
- assert(false);
+ 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);
/* 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;
}
upstream_port, downstream_port);
bt_put(downstream_port);
if (!conn) {
+ 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),
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);
+
goto end;
}
}
if (!conn) {
+ 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);
assert(upstream_port_name);
upstream_comp = bt_port_get_component(upstream_port);
if (!upstream_comp) {
- // TODO: log warning
+ 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 =
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,
}
}
+ 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",
- bt_port_get_name(upstream_port));
+ upstream_port_name);
error:
ret = -1;
struct bt_component *comp = NULL;
struct cmd_run_ctx *ctx = data;
- if (bt_port_is_connected(port)) {
- // TODO: log warning
+ 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 (!comp) {
+ BT_LOGW_STR("Port has no component.");
goto end;
}
- comp = bt_port_get_component(port);
- if (!comp) {
- // TODO: log warning
+ if (bt_port_is_connected(port)) {
+ BT_LOGW_STR("Port is already connected.");
goto end;
}
if (!bt_port_is_output(port)) {
- // TODO: log info
+ BT_LOGI_STR("Skipping input port.");
goto end;
}
if (cmd_run_ctx_connect_upstream_port(ctx, port)) {
- // TODO: log fatal
+ BT_LOGF_STR("Cannot connect upstream port.");
fprintf(stderr, "Added port could not be connected: aborting\n");
abort();
}
void graph_port_removed_listener(struct bt_component *component,
struct bt_port *port, void *data)
{
- // TODO: log info
+ 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)
{
- // TODO: log info
+ 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
struct bt_port *upstream_port, struct bt_port *downstream_port,
void *data)
{
- // TODO: log info
+ 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
}
BT_PUT(ctx->graph);
+ the_graph = NULL;
ctx->cfg = NULL;
}
goto error;
}
+ the_graph = ctx->graph;
ret = bt_graph_add_port_added_listener(ctx->graph,
graph_port_added_listener, ctx);
if (ret) {
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(),
comp = bt_component_create(comp_cls,
cfg_comp->instance_name->str, cfg_comp->params);
if (!comp) {
+ 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(),
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,
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_ALREADY_IN_A_GRAPH:
+ return "BT_GRAPH_STATUS_ALREADY_IN_A_GRAPH";
+ 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 };
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
/* 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;
}
/* 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;
}
/* 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) {
+ goto end;
+ }
+
+ BT_LOGI_STR("Running the graph.");
+
/* Run the graph */
while (true) {
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));
+
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:
+ 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)) {
- // TODO: check EINTR and signal handler
+ 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");
+ BT_LOGE_STR("Graph failed to complete successfully");
+ fprintf(stderr, "Graph failed to complete successfully\n");
goto error;
}
}
}
}
+static
+void init_log_level(void)
+{
+ enum bt_logging_level log_level = BT_LOG_NONE;
+ const char *log_level_env = getenv("BABELTRACE_CLI_LOG_LEVEL");
+
+ if (!log_level_env) {
+ goto set_level;
+ }
+
+ if (strcmp(log_level_env, "VERBOSE") == 0) {
+ log_level = BT_LOGGING_LEVEL_VERBOSE;
+ } else if (strcmp(log_level_env, "DEBUG") == 0) {
+ log_level = BT_LOGGING_LEVEL_DEBUG;
+ } else if (strcmp(log_level_env, "INFO") == 0) {
+ log_level = BT_LOGGING_LEVEL_INFO;
+ } else if (strcmp(log_level_env, "WARN") == 0) {
+ log_level = BT_LOGGING_LEVEL_WARN;
+ } else if (strcmp(log_level_env, "ERROR") == 0) {
+ log_level = BT_LOGGING_LEVEL_ERROR;
+ } else if (strcmp(log_level_env, "FATAL") == 0) {
+ log_level = BT_LOGGING_LEVEL_FATAL;
+ } else if (strcmp(log_level_env, "NONE") == 0) {
+ log_level = BT_LOGGING_LEVEL_NONE;
+ }
+
+set_level:
+ bt_cli_log_level = log_level;
+}
+
+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_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;
}
+ if (cfg->verbose) {
+ bt_cli_log_level = BT_LOGGING_LEVEL_VERBOSE;
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+ // TODO: for backward compat., set the log level
+ // environment variables of the known plugins
+ // to VERBOSE
+ } else if (cfg->debug) {
+ bt_cli_log_level = BT_LOGGING_LEVEL_DEBUG;
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
+ // TODO: for backward compat., set the log level
+ // environment variables of the known plugins
+ // to DEBUG
+ }
+
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) {
+ 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;
projects / babeltrace.git / blobdiff