#include "logging.h"
#include <babeltrace/babeltrace.h>
-#include <babeltrace/plugin/plugin.h>
#include <babeltrace/common-internal.h>
-#include <babeltrace/graph/component.h>
-#include <babeltrace/graph/component-source.h>
-#include <babeltrace/graph/component-sink.h>
-#include <babeltrace/graph/component-filter.h>
-#include <babeltrace/graph/component-class.h>
-#include <babeltrace/graph/port.h>
-#include <babeltrace/graph/graph.h>
-#include <babeltrace/graph/connection.h>
-#include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/values.h>
-#include <babeltrace/logging.h>
+#include <babeltrace/values-internal.h>
#include <unistd.h>
#include <stdlib.h>
#include <popt.h>
*/
static const char* log_level_env_var_names[] = {
"BABELTRACE_COMMON_LOG_LEVEL",
+ "BABELTRACE_COMPAT_LOG_LEVEL",
"BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_FS_SRC_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_SRC_LOG_LEVEL",
+ "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
+ "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
+ "BABELTRACE_SRC_CTF_LTTNG_LIVE_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_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
+ "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
+ "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
+ "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
"BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
NULL,
};
/* Application's processing graph (weak) */
static struct bt_graph *the_graph;
+static struct bt_query_executor *the_query_executor;
static bool canceled = false;
GPtrArray *loaded_plugins;
+#ifdef __MINGW32__
+#include <windows.h>
+
+static
+BOOL WINAPI signal_handler(DWORD signal) {
+ if (the_graph) {
+ bt_graph_cancel(the_graph);
+ }
+
+ canceled = true;
+
+ return TRUE;
+}
+
+static
+void set_signal_handler(void)
+{
+ if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
+ BT_LOGE("Failed to set the ctrl+c handler.");
+ }
+}
+#else /* __MINGW32__ */
static
-void sigint_handler(int signum)
+void signal_handler(int signum)
{
if (signum != SIGINT) {
return;
bt_graph_cancel(the_graph);
}
+ if (the_query_executor) {
+ bt_query_executor_cancel(the_query_executor);
+ }
+
canceled = true;
}
+static
+void set_signal_handler(void)
+{
+ struct sigaction new_action, old_action;
+
+ new_action.sa_handler = signal_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);
+ }
+}
+#endif /* __MINGW32__ */
+
static
void init_static_data(void)
{
g_ptr_array_free(loaded_plugins, TRUE);
}
+static
+int create_the_query_executor(void)
+{
+ int ret = 0;
+
+ the_query_executor = bt_query_executor_create();
+ if (!the_query_executor) {
+ BT_LOGE_STR("Cannot create a query executor.");
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static
+void destroy_the_query_executor(void)
+{
+ BT_PUT(the_query_executor);
+}
+
+static
+int query(struct bt_component_class *comp_cls, const char *obj,
+ struct bt_value *params, struct bt_value **user_result,
+ const char **fail_reason)
+{
+ struct bt_value *result = NULL;
+ enum bt_query_status status;
+ *fail_reason = "unknown error";
+ int ret = 0;
+
+ assert(fail_reason);
+ assert(user_result);
+ ret = create_the_query_executor();
+ if (ret) {
+ /* create_the_query_executor() logs errors */
+ goto end;
+ }
+
+ if (canceled) {
+ BT_LOGI("Canceled by user before executing the query: "
+ "comp-cls-addr=%p, comp-cls-name=\"%s\", "
+ "query-obj=\"%s\"", comp_cls,
+ bt_component_class_get_name(comp_cls), obj);
+ *fail_reason = "canceled by user";
+ goto error;
+ }
+
+ while (true) {
+ status = bt_query_executor_query(the_query_executor, comp_cls,
+ obj, params, &result);
+ switch (status) {
+ case BT_QUERY_STATUS_OK:
+ goto ok;
+ case BT_QUERY_STATUS_AGAIN:
+ {
+ const uint64_t sleep_time_us = 100000;
+
+ /* Wait 100 ms and retry */
+ BT_LOGV("Got BT_QUERY_STATUS_AGAIN: sleeping: "
+ "time-us=%" PRIu64, sleep_time_us);
+
+ if (usleep(sleep_time_us)) {
+ if (bt_query_executor_is_canceled(the_query_executor)) {
+ BT_LOGI("Query was canceled by user: "
+ "comp-cls-addr=%p, comp-cls-name=\"%s\", "
+ "query-obj=\"%s\"", comp_cls,
+ bt_component_class_get_name(comp_cls),
+ obj);
+ *fail_reason = "canceled by user";
+ goto error;
+ }
+ }
+
+ continue;
+ }
+ case BT_QUERY_STATUS_EXECUTOR_CANCELED:
+ *fail_reason = "canceled by user";
+ goto error;
+ case BT_QUERY_STATUS_ERROR:
+ case BT_QUERY_STATUS_INVALID:
+ goto error;
+ case BT_QUERY_STATUS_INVALID_OBJECT:
+ *fail_reason = "invalid or unknown query object";
+ goto error;
+ case BT_QUERY_STATUS_INVALID_PARAMS:
+ *fail_reason = "invalid query parameters";
+ goto error;
+ case BT_QUERY_STATUS_NOMEM:
+ *fail_reason = "not enough memory";
+ goto error;
+ default:
+ BT_LOGF("Unknown query status: status=%d", status);
+ abort();
+ }
+ }
+
+ok:
+ *user_result = result;
+ result = NULL;
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ destroy_the_query_executor();
+ bt_put(result);
+ return ret;
+}
+
static
struct bt_plugin *find_plugin(const char *name)
{
const char *str_val;
int size;
int i;
+ enum bt_value_status status;
if (!value) {
return;
bt_common_color_reset());
break;
case BT_VALUE_TYPE_BOOL:
- bt_value_bool_get(value, &bool_val);
+ 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);
+ 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);
+ 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);
+ 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(fp, indent);
struct bt_value *element =
bt_value_array_get(value, i);
- assert(element);
+ if (!element) {
+ goto error;
+ }
print_indent(fp, indent);
fprintf(fp, "- ");
default:
abort();
}
+ return;
+
+error:
+ BT_LOGE("Error printing value of type %s.",
+ bt_value_type_string(bt_value_get_type(value)));
}
static
struct bt_value *plugin_path_value = NULL;
const char *plugin_path;
struct bt_plugin_set *plugin_set;
+ enum bt_value_status status;
plugin_path_value = bt_value_array_get(plugin_paths, i);
- bt_value_string_get(plugin_path_value, &plugin_path);
- assert(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;
+ }
/*
* Skip this if the directory does not exist because
printf("%s%s%s%s:\n", bt_common_color_bold(),
bt_common_color_fg_blue(), plugin_name,
bt_common_color_reset());
- printf(" %sPath%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(), path ? path : "(None)");
+ if (path) {
+ printf(" %sPath%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(), path);
+ } else {
+ puts(" Built-in");
+ }
if (version_status == BT_PLUGIN_STATUS_OK) {
printf(" %sVersion%s: %u.%u.%u",
int ret = 0;
struct bt_component_class *comp_cls = NULL;
struct bt_value *results = NULL;
+ const char *fail_reason = NULL;
comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
cfg->cmd_data.query.cfg_component->comp_cls_name->str,
goto end;
}
- results = bt_component_class_query(comp_cls,
- 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(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "%s%s with object `%s`%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- cfg->cmd_data.query.object->str,
- bt_common_color_reset());
- ret = -1;
- goto end;
+ ret = query(comp_cls, cfg->cmd_data.query.object->str,
+ cfg->cmd_data.query.cfg_component->params, &results,
+ &fail_reason);
+ if (ret) {
+ goto failed;
}
print_value(stdout, results, 0);
+ goto end;
+
+failed:
+ BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d "
+ "object=\"%s\"", fail_reason,
+ 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(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ fprintf(stderr, "%s%s with object `%s`: %s%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ cfg->cmd_data.query.object->str,
+ fail_reason,
+ bt_common_color_reset());
+ ret = -1;
end:
bt_put(comp_cls);
if (cfg->cmd_data.help.cfg_component->type !=
BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- comp_class_name) != 0 &&
- type ==
- cfg->cmd_data.help.cfg_component->type) {
+ comp_class_name) != 0 ||
+ type != cfg->cmd_data.help.cfg_component->type) {
bt_put(comp_cls);
continue;
}
static const enum bt_component_class_type comp_cls_type =
BT_COMPONENT_CLASS_TYPE_SOURCE;
int64_t array_size, i;
+ const char *fail_reason = NULL;
assert(cfg->cmd_data.print_lttng_live_sessions.url);
comp_cls = find_component_class(plugin_name, comp_cls_name,
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;
+ ret = query(comp_cls, "sessions", params, &results, &fail_reason);
+ if (ret) {
+ goto failed;
}
if (!bt_value_is_array(results)) {
BT_PUT(map);
}
+
+ goto end;
+
+failed:
+ BT_LOGE("Failed to query for sessions: %s", fail_reason);
+ fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ fail_reason,
+ bt_common_color_reset());
+
+error:
+ ret = -1;
+
end:
bt_put(v);
bt_put(map);
bt_put(params);
bt_put(comp_cls);
return 0;
-
-error:
- ret = -1;
- goto end;
}
static
static const char * const comp_cls_name = "fs";
static const enum bt_component_class_type comp_cls_type =
BT_COMPONENT_CLASS_TYPE_SOURCE;
+ const char *fail_reason = NULL;
assert(cfg->cmd_data.print_ctf_metadata.path);
comp_cls = find_component_class(plugin_name, comp_cls_name,
goto end;
}
- results = bt_component_class_query(comp_cls, "metadata-info",
- 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(),
- bt_common_color_reset());
- goto end;
+ ret = query(comp_cls, "metadata-info", params, &results, &fail_reason);
+ if (ret) {
+ goto failed;
}
metadata_text_value = bt_value_map_get(results, "text");
ret = bt_value_string_get(metadata_text_value, &metadata_text);
assert(ret == 0);
printf("%s\n", metadata_text);
+ goto end;
+
+failed:
+ ret = -1;
+ BT_LOGE("Failed to query for metadata info: %s", fail_reason);
+ fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ fail_reason,
+ bt_common_color_reset());
end:
+ destroy_the_query_executor();
bt_put(results);
bt_put(params);
bt_put(metadata_text_value);
assert(upstream_port_name);
if (!bt_common_star_glob_match(
- cfg_conn->downstream_port_glob->str, -1ULL,
- downstream_port_name, -1ULL)) {
+ cfg_conn->downstream_port_glob->str, SIZE_MAX,
+ downstream_port_name, SIZE_MAX)) {
bt_put(downstream_port);
continue;
}
}
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;
+ /*
+ * We found a matching downstream port: the search is
+ * over.
+ */
+ goto end;
}
- goto end;
+ /* No downstream port found */
+ 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);
error:
ret = -1;
if (!bt_common_star_glob_match(
cfg_conn->upstream_port_glob->str,
- -1ULL, upstream_port_name, -1ULL)) {
+ SIZE_MAX, upstream_port_name, SIZE_MAX)) {
continue;
}
the_graph = ctx->graph;
ret = bt_graph_add_port_added_listener(ctx->graph,
- graph_port_added_listener, ctx);
+ graph_port_added_listener, NULL, 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);
+ graph_port_removed_listener, NULL, 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);
+ graph_ports_connected_listener, NULL, 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);
+ graph_ports_disconnected_listener, NULL, ctx);
if (ret < 0) {
BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
goto error;
struct bt_value *stream_info = NULL;
struct port_id *port_id = NULL;
struct trace_range *trace_range = NULL;
+ const char *fail_reason = NULL;
component_path_value = bt_value_map_get(cfg_comp->params, "path");
if (!bt_value_is_string(component_path_value)) {
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.",
+ ret = query(comp_cls, "trace-info", query_params, &query_result,
+ &fail_reason);
+ if (ret) {
+ BT_LOGD("Component class does not support the `trace-info` query: %s: "
+ "comp-class-name=\"%s\"", fail_reason,
bt_component_class_get_name(comp_cls));
ret = -1;
goto error;
}
}
-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;
struct bt_config *cfg;
init_log_level();
- set_sigint_handler();
+ set_signal_handler();
init_static_data();
cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
projects / babeltrace.git / blobdiff