/*
- * babeltrace.c
- *
- * Babeltrace Trace Converter
- *
* Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
*
* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
* 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/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 <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-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_COMPAT_LOG_LEVEL",
+ "BABELTRACE_CTFSER_LOG_LEVEL",
+ "BABELTRACE_FD_CACHE_LOG_LEVEL",
+ "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
+ "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
+ "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
+ "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
+ "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
+ "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
+ "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
+ NULL,
+};
+
+/* Application's processing graph (weak) */
+static bt_graph *the_graph;
+static 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 signal_handler(int signum)
+{
+ if (signum != SIGINT) {
+ return;
+ }
+
+ if (the_graph) {
+ 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_loaded_plugins_array(void)
+void init_static_data(void)
{
- loaded_plugins = g_ptr_array_new_full(8, bt_put);
+ loaded_plugins = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_put_ref);
}
static
-void fini_loaded_plugins_array(void)
+void fini_static_data(void)
{
g_ptr_array_free(loaded_plugins, TRUE);
}
static
-struct bt_plugin *find_plugin(const char *name)
+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_QUERY_EXECUTOR_PUT_REF_AND_RESET(the_query_executor);
+}
+
+static
+int query(const bt_component_class *comp_cls, const char *obj,
+ const bt_value *params, const bt_value **user_result,
+ const char **fail_reason)
+{
+ const bt_value *result = NULL;
+ bt_query_executor_status status;
+ *fail_reason = "unknown error";
+ int ret = 0;
+
+ BT_ASSERT(fail_reason);
+ BT_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_EXECUTOR_STATUS_OK:
+ goto ok;
+ case BT_QUERY_EXECUTOR_STATUS_AGAIN:
+ {
+ const uint64_t sleep_time_us = 100000;
+
+ /* Wait 100 ms and retry */
+ BT_LOGV("Got BT_QUERY_EXECUTOR_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_EXECUTOR_STATUS_CANCELED:
+ *fail_reason = "canceled by user";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_ERROR:
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_INVALID_OBJECT:
+ *fail_reason = "invalid or unknown query object";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_INVALID_PARAMS:
+ *fail_reason = "invalid query parameters";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_UNSUPPORTED:
+ *fail_reason = "unsupported action";
+ goto error;
+ case BT_QUERY_EXECUTOR_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_value_put_ref(result);
+ return ret;
+}
+
+static
+const bt_plugin *find_plugin(const char *name)
{
int i;
- struct bt_plugin *plugin = NULL;
+ const bt_plugin *plugin = NULL;
+
+ BT_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;
}
- return bt_get(plugin);
+ if (BT_LOG_ON_DEBUG) {
+ if (plugin) {
+ BT_LOGD("Found plugin: plugin-addr=%p", plugin);
+ } else {
+ BT_LOGD("Cannot find plugin.");
+ }
+ }
+
+ bt_plugin_get_ref(plugin);
+ return plugin;
}
+typedef const void *(*plugin_borrow_comp_cls_func_t)(
+ const bt_plugin *, const char *);
+
static
-struct bt_component_class *find_component_class(const char *plugin_name,
+const void *find_component_class_from_plugin(const char *plugin_name,
const char *comp_class_name,
- enum bt_component_class_type comp_class_type)
+ plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
{
- struct bt_component_class *comp_class = NULL;
- struct bt_plugin *plugin = find_plugin(plugin_name);
+ const void *comp_class = NULL;
+ const bt_plugin *plugin;
+ BT_LOGD("Finding component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
+
+ 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);
+ comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
+ bt_object_get_ref(comp_class);
+ BT_PLUGIN_PUT_REF_AND_RESET(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 source component class.");
+ }
+ }
+
return comp_class;
}
static
-void print_indent(size_t indent)
+const bt_component_class_source *find_source_component_class(
+ const char *plugin_name, const char *comp_class_name)
{
- size_t i;
+ return (const void *) find_component_class_from_plugin(
+ plugin_name, comp_class_name,
+ (plugin_borrow_comp_cls_func_t)
+ bt_plugin_borrow_source_component_class_by_name_const);
+}
- for (i = 0; i < indent; i++) {
- printf(" ");
- }
+static
+const bt_component_class_filter *find_filter_component_class(
+ const char *plugin_name, const char *comp_class_name)
+{
+ return (const void *) find_component_class_from_plugin(
+ plugin_name, comp_class_name,
+ (plugin_borrow_comp_cls_func_t)
+ bt_plugin_borrow_filter_component_class_by_name_const);
}
-static char *escape_name_for_shell(const char *input)
+static
+const bt_component_class_sink *find_sink_component_class(
+ const char *plugin_name, const char *comp_class_name)
{
- char *output = g_malloc0(strlen(input) * 5 + 1);
- const char *in;
- char *out = output;
+ return (const void *) find_component_class_from_plugin(plugin_name,
+ comp_class_name,
+ (plugin_borrow_comp_cls_func_t)
+ bt_plugin_borrow_sink_component_class_by_name_const);
+}
- if (!output) {
- goto end;
- }
+static
+const bt_component_class *find_component_class(const char *plugin_name,
+ const char *comp_class_name,
+ bt_component_class_type comp_class_type)
+{
+ const bt_component_class *comp_cls = NULL;
- 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;
- }
+ switch (comp_class_type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ comp_cls = bt_component_class_source_as_component_class_const(find_source_component_class(plugin_name, comp_class_name));
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ comp_cls = bt_component_class_filter_as_component_class_const(find_filter_component_class(plugin_name, comp_class_name));
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
+ break;
+ default:
+ abort();
}
-end:
- return output;
+ return comp_cls;
+}
+
+static
+void print_indent(FILE *fp, size_t indent)
+{
+ size_t i;
+
+ for (i = 0; i < indent; i++) {
+ fprintf(fp, " ");
+ }
}
static
-const char *component_type_str(enum bt_component_class_type type)
+const char *component_type_str(bt_component_class_type type)
{
switch (type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
return "sink";
case BT_COMPONENT_CLASS_TYPE_FILTER:
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,
- const char *comp_cls_name, enum bt_component_class_type type)
+static
+void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
+ const char *comp_cls_name, 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 *, const bt_value *, size_t);
static
-void print_value_rec(struct bt_value *, size_t);
+void print_value_rec(FILE *, const 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, const 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);
+ BT_ASSERT(object);
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, const bt_value *value, size_t indent)
{
- bool bool_val;
+ bt_bool bool_val;
int64_t int_val;
+ uint64_t uint_val;
double dbl_val;
const char *str_val;
int size;
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(),
+ bool_val = bt_value_bool_get(value);
+ 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(),
+ case BT_VALUE_TYPE_UNSIGNED_INTEGER:
+ uint_val = bt_value_unsigned_integer_get(value);
+ fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
+ bt_common_color_fg_red(), uint_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_SIGNED_INTEGER:
+ int_val = bt_value_signed_integer_get(value);
+ 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(),
+ case BT_VALUE_TYPE_REAL:
+ dbl_val = bt_value_real_get(value);
+ 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(),
+ str_val = bt_value_string_get(value);
+ 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);
+ size = bt_value_array_get_size(value);
+ if (size < 0) {
+ goto error;
+ }
if (size == 0) {
- print_indent(indent);
- printf("[ ]\n");
+ print_indent(fp, indent);
+ fprintf(fp, "[ ]\n");
break;
}
for (i = 0; i < size; i++) {
- struct bt_value *element =
- bt_value_array_get(value, i);
+ const bt_value *element =
+ bt_value_array_borrow_element_by_index_const(
+ 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);
- BT_PUT(element);
+ print_value_rec(fp, element, indent + 2);
}
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_entry_const(value, print_map_value, &data);
break;
+ }
default:
- assert(false);
+ abort();
}
+ return;
+
+error:
+ BT_LOGE("Error printing value of type %s.",
+ bt_common_value_type_string(bt_value_get_type(value)));
}
static
-void print_value(struct bt_value *value, size_t indent)
+void print_value(FILE *fp, const 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
struct bt_config_component *cfg_component =
bt_config_get_component(array, i);
print_bt_config_component(cfg_component);
- BT_PUT(cfg_component);
+ BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
}
}
static
-void print_plugin_paths(struct bt_value *plugin_paths)
+void print_plugin_paths(const 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;
- }
-end:
- bt_put(trimmer_params);
- bt_put(trimmer_class);
- return trimmer;
-}
-
-static
-int connect_source_sink(struct bt_graph *graph,
- struct bt_component *source,
- struct bt_config_component *source_cfg,
- struct bt_component *sink)
-{
- int ret = 0;
- struct bt_connection *connection = NULL;
- struct bt_component *trimmer = NULL;
- struct bt_port *source_port =
- bt_component_source_get_default_output_port(source);
- struct bt_port *sink_port =
- bt_component_sink_get_default_input_port(sink);
- struct bt_port *to_sink_port = NULL;
- struct bt_port *trimmer_input_port = NULL;
-
- if (!source_port) {
- fprintf(stderr, "Failed to find default source output port. Aborting...\n");
- ret = -1;
- goto end;
- }
- if (!sink_port) {
- fprintf(stderr, "Failed to find default sink input port. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- if (bt_value_map_has_key(source_cfg->params, "begin")
- || bt_value_map_has_key(source_cfg->params, "end")) {
- /* A trimmer must be inserted in the graph. */
- trimmer = create_trimmer(source_cfg);
- if (!trimmer) {
- fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- trimmer_input_port = bt_component_filter_get_default_input_port(
- trimmer);
- if (!trimmer_input_port) {
- fprintf(stderr, "Failed to find trimmer input port. Aborting...\n");
- ret = -1;
- goto end;
- }
- to_sink_port = bt_component_filter_get_default_output_port(
- trimmer);
- if (!to_sink_port) {
- fprintf(stderr, "Failed to find trimmer output port. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- connection = bt_graph_connect_ports(graph, source_port,
- trimmer_input_port);
- if (!connection) {
- fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
- ret = -1;
- goto end;
- }
- BT_PUT(connection);
- } else {
- BT_MOVE(to_sink_port, source_port);
+ abort();
}
-
- connection = bt_graph_connect_ports(graph, to_sink_port, sink_port);
- if (!connection) {
- fprintf(stderr, "Failed to connect to sink. Aborting...\n");
- ret = -1;
- goto end;
- }
-end:
- bt_put(trimmer);
- bt_put(source_port);
- bt_put(sink_port);
- bt_put(to_sink_port);
- bt_put(connection);
- return ret;
}
static
-void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
+void add_to_loaded_plugins(const bt_plugin_set *plugin_set)
{
- int i;
- int count;
+ int64_t i;
+ int64_t count;
count = bt_plugin_set_get_plugin_count(plugin_set);
- assert(count >= 0);
+ BT_ASSERT(count >= 0);
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));
+ const bt_plugin *plugin =
+ bt_plugin_set_borrow_plugin_by_index_const(plugin_set, i);
+ const bt_plugin *loaded_plugin =
+ find_plugin(bt_plugin_get_name(plugin));
- assert(plugin);
+ BT_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_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_plugin_put_ref(loaded_plugin);
} else {
/* Add to global array. */
- g_ptr_array_add(loaded_plugins, bt_get(plugin));
+ BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
+ bt_plugin_get_name(plugin));
+ bt_plugin_get_ref(plugin);
+ g_ptr_array_add(loaded_plugins, (void *) plugin);
}
-
- bt_put(plugin);
}
}
static
-int load_dynamic_plugins(struct bt_value *plugin_paths)
+int load_dynamic_plugins(const bt_value *plugin_paths)
{
int nr_paths, i, ret = 0;
- nr_paths = bt_value_array_size(plugin_paths);
+ nr_paths = bt_value_array_get_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 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);
+ const bt_plugin_set *plugin_set;
+
+ plugin_path_value =
+ bt_value_array_borrow_element_by_index_const(
+ plugin_paths, i);
+ plugin_path = bt_value_string_get(plugin_path_value);
+
+ /*
+ * Skip this if the directory does not exist because
+ * bt_plugin_find_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);
continue;
}
- plugin_set = bt_plugin_create_all_from_dir(plugin_path, false);
+ plugin_set = bt_plugin_find_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;
}
add_to_loaded_plugins(plugin_set);
- bt_put(plugin_set);
- BT_PUT(plugin_path_value);
+ bt_plugin_set_put_ref(plugin_set);
}
end:
return ret;
int load_static_plugins(void)
{
int ret = 0;
- struct bt_plugin_set *plugin_set;
+ const bt_plugin_set *plugin_set;
- plugin_set = bt_plugin_create_all_from_static();
+ BT_LOGI("Loading static plugins.");
+ plugin_set = bt_plugin_find_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;
}
add_to_loaded_plugins(plugin_set);
- bt_put(plugin_set);
+ bt_plugin_set_put_ref(plugin_set);
end:
return ret;
}
-static int load_all_plugins(struct bt_value *plugin_paths)
+static
+int load_all_plugins(const 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(const bt_plugin *plugin)
{
unsigned int major, minor, patch;
const char *extra;
- enum bt_plugin_status version_status;
+ bt_property_availability version_avail;
const char *plugin_name;
const char *path;
const char *author;
author = bt_plugin_get_author(plugin);
license = bt_plugin_get_license(plugin);
plugin_description = bt_plugin_get_description(plugin);
- version_status = bt_plugin_get_version(plugin, &major, &minor,
+ version_avail = bt_plugin_get_version(plugin, &major, &minor,
&patch, &extra);
printf("%s%s%s%s:\n", bt_common_color_bold(),
bt_common_color_fg_blue(), plugin_name,
bt_common_color_reset());
- printf(" %sPath%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(), path ? path : "(None)");
+ if (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) {
+ if (version_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
printf(" %sVersion%s: %u.%u.%u",
bt_common_color_bold(), bt_common_color_reset(),
major, minor, patch);
license ? license : "(Unknown)");
}
-static int cmd_query(struct bt_config *cfg)
+static
+int cmd_query(struct bt_config *cfg)
{
- int ret;
- struct bt_component_class *comp_cls = NULL;
- struct bt_value *results = NULL;
-
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
- }
+ int ret = 0;
+ const bt_component_class *comp_cls = NULL;
+ const bt_value *results = NULL;
+ const char *fail_reason = NULL;
- comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
+ 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(),
goto end;
}
- results = bt_component_class_query(comp_cls,
- cfg->cmd_data.query.object->str,
- cfg->cmd_data.query.cfg_component->params);
- if (!results) {
- fprintf(stderr, "%s%sFailed to query info to %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "%s%s with object `%s`%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- cfg->cmd_data.query.object->str,
- bt_common_color_reset());
- ret = -1;
- goto end;
+ 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(results, 0);
+ 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);
- bt_put(results);
+ bt_component_class_put_ref(comp_cls);
+ bt_value_put_ref(results);
return ret;
}
-static int cmd_help(struct bt_config *cfg)
+static
+void print_component_class_help(const char *plugin_name,
+ const bt_component_class *comp_cls)
{
- int ret;
- struct bt_plugin *plugin = NULL;
- size_t i;
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_cls);
+ const char *comp_class_description =
+ bt_component_class_get_description(comp_cls);
+ const char *comp_class_help =
+ bt_component_class_get_help(comp_cls);
+ bt_component_class_type type =
+ bt_component_class_get_type(comp_cls);
+
+ print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
+ printf("\n");
+ printf(" %sDescription%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ comp_class_description ? comp_class_description : "(None)");
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
+ if (comp_class_help) {
+ printf("\n%s\n", comp_class_help);
}
+}
+
+static
+int cmd_help(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_plugin *plugin = NULL;
+ const bt_component_class *needed_comp_cls = NULL;
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(),
}
print_plugin_info(plugin);
- printf(" %sComponent classes%s: %d\n",
+ printf(" %sSource component classes%s: %d\n",
+ bt_common_color_bold(),
+ bt_common_color_reset(),
+ (int) bt_plugin_get_source_component_class_count(plugin));
+ printf(" %sFilter component classes%s: %d\n",
+ bt_common_color_bold(),
+ bt_common_color_reset(),
+ (int) bt_plugin_get_filter_component_class_count(plugin));
+ printf(" %sSink component classes%s: %d\n",
bt_common_color_bold(),
bt_common_color_reset(),
- bt_plugin_get_component_class_count(plugin));
+ (int) bt_plugin_get_sink_component_class_count(plugin));
+
+ if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
+ /* Plugin help only */
+ goto end;
+ }
+
+ needed_comp_cls = find_component_class(
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+ if (!needed_comp_cls) {
+ 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(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+ fprintf(stderr, "\n");
+ ret = -1;
+ goto end;
+ }
+
+ printf("\n");
+ print_component_class_help(
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ needed_comp_cls);
+
+end:
+ bt_component_class_put_ref(needed_comp_cls);
+ bt_plugin_put_ref(plugin);
+ return ret;
+}
+
+typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
+ uint64_t);
+typedef const bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
+ void *);
+
+void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
+ const char *cc_type_name, uint64_t count,
+ plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
+ spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
+{
+ uint64_t i;
+
+ if (count == 0) {
+ printf(" %s%s component classes%s: (none)\n",
+ bt_common_color_bold(),
+ cc_type_name,
+ bt_common_color_reset());
+ goto end;
+ } else {
+ printf(" %s%s component classes%s:\n",
+ bt_common_color_bold(),
+ cc_type_name,
+ bt_common_color_reset());
+ }
+
+ for (i = 0; i < count; i++) {
+ const bt_component_class *comp_class =
+ spec_comp_cls_borrow_comp_cls_func(
+ borrow_comp_cls_by_index_func(plugin, i));
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_class);
+ const char *comp_class_description =
+ bt_component_class_get_description(comp_class);
+ bt_component_class_type type =
+ bt_component_class_get_type(comp_class);
+
+ printf(" ");
+ print_plugin_comp_cls_opt(stdout,
+ bt_plugin_get_name(plugin), comp_class_name,
+ type);
+
+ if (comp_class_description) {
+ printf(": %s", comp_class_description);
+ }
+
+ printf("\n");
+ }
+
+end:
+ return;
+}
+
+static
+int cmd_list_plugins(struct bt_config *cfg)
+{
+ int ret = 0;
+ int plugins_count, component_classes_count = 0, i;
+
+ printf("From the following plugin paths:\n\n");
+ print_value(stdout, cfg->plugin_paths, 2);
+ printf("\n");
+ plugins_count = loaded_plugins->len;
+ if (plugins_count == 0) {
+ printf("No plugins found.\n");
+ goto end;
+ }
+
+ for (i = 0; i < plugins_count; i++) {
+ const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+ component_classes_count +=
+ bt_plugin_get_source_component_class_count(plugin) +
+ bt_plugin_get_filter_component_class_count(plugin) +
+ bt_plugin_get_sink_component_class_count(plugin);
+ }
+
+ printf("Found %s%d%s component classes in %s%d%s plugins.\n",
+ bt_common_color_bold(),
+ component_classes_count,
+ bt_common_color_reset(),
+ bt_common_color_bold(),
+ plugins_count,
+ bt_common_color_reset());
+
+ for (i = 0; i < plugins_count; i++) {
+ const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+ printf("\n");
+ print_plugin_info(plugin);
+ cmd_list_plugins_print_component_classes(plugin, "Source",
+ bt_plugin_get_source_component_class_count(plugin),
+ (plugin_borrow_comp_cls_by_index_func_t)
+ bt_plugin_borrow_source_component_class_by_index_const,
+ (spec_comp_cls_borrow_comp_cls_func_t)
+ bt_component_class_source_as_component_class);
+ cmd_list_plugins_print_component_classes(plugin, "Filter",
+ bt_plugin_get_filter_component_class_count(plugin),
+ (plugin_borrow_comp_cls_by_index_func_t)
+ bt_plugin_borrow_filter_component_class_by_index_const,
+ (spec_comp_cls_borrow_comp_cls_func_t)
+ bt_component_class_filter_as_component_class);
+ cmd_list_plugins_print_component_classes(plugin, "Sink",
+ bt_plugin_get_sink_component_class_count(plugin),
+ (plugin_borrow_comp_cls_by_index_func_t)
+ bt_plugin_borrow_sink_component_class_by_index_const,
+ (spec_comp_cls_borrow_comp_cls_func_t)
+ bt_component_class_sink_as_component_class);
+ }
+
+end:
+ return ret;
+}
+
+static
+int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_component_class *comp_cls = NULL;
+ const bt_value *results = NULL;
+ bt_value *params = NULL;
+ const bt_value *map = NULL;
+ const bt_value *v = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "lttng-live";
+ static const bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+ int64_t array_size, i;
+ const char *fail_reason = NULL;
+ FILE *out_stream = stdout;
+
+ BT_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_entry(params, "url",
+ cfg->cmd_data.print_lttng_live_sessions.url->str);
+ if (ret) {
+ goto error;
+ }
+
+ ret = query(comp_cls, "sessions", params,
+ &results, &fail_reason);
+ if (ret) {
+ goto failed;
+ }
+
+ BT_ASSERT(results);
+
+ 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;
+ }
+
+ if (cfg->cmd_data.print_lttng_live_sessions.output_path->len > 0) {
+ out_stream =
+ fopen(cfg->cmd_data.print_lttng_live_sessions.output_path->str,
+ "w");
+ if (!out_stream) {
+ ret = -1;
+ BT_LOGE_ERRNO("Cannot open file for writing",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_lttng_live_sessions.output_path->str);
+ goto end;
+ }
+ }
+
+ array_size = bt_value_array_get_size(results);
+ for (i = 0; i < array_size; i++) {
+ const char *url_text;
+ int64_t timer_us, streams, clients;
+
+ map = bt_value_array_borrow_element_by_index_const(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_borrow_entry_value_const(map, "url");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"url\" entry.");
+ goto error;
+ }
+ url_text = bt_value_string_get(v);
+ fprintf(out_stream, "%s", url_text);
+ v = bt_value_map_borrow_entry_value_const(map, "timer-us");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
+ goto error;
+ }
+ timer_us = bt_value_signed_integer_get(v);
+ fprintf(out_stream, " (timer = %" PRIu64 ", ", timer_us);
+ v = bt_value_map_borrow_entry_value_const(map, "stream-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
+ goto error;
+ }
+ streams = bt_value_signed_integer_get(v);
+ fprintf(out_stream, "%" PRIu64 " stream(s), ", streams);
+ v = bt_value_map_borrow_entry_value_const(map, "client-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
+ goto error;
+ }
+ clients = bt_value_signed_integer_get(v);
+ fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
+ }
+
+ 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_value_put_ref(results);
+ bt_value_put_ref(params);
+ bt_component_class_put_ref(comp_cls);
+
+ if (out_stream && out_stream != stdout) {
+ int fclose_ret = fclose(out_stream);
+
+ if (fclose_ret) {
+ BT_LOGE_ERRNO("Cannot close file stream",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_lttng_live_sessions.output_path->str);
+ }
+ }
+
+ return ret;
+}
+
+static
+int cmd_print_ctf_metadata(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_component_class *comp_cls = NULL;
+ const bt_value *results = NULL;
+ bt_value *params = NULL;
+ const bt_value *metadata_text_value = NULL;
+ const char *metadata_text = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "fs";
+ static const bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+ const char *fail_reason = NULL;
+ FILE *out_stream = stdout;
+
+ BT_ASSERT(cfg->cmd_data.print_ctf_metadata.path);
+ 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");
+ ret = -1;
+ goto end;
+ }
+
+ params = bt_value_map_create();
+ if (!params) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_value_map_insert_string_entry(params, "path",
+ cfg->cmd_data.print_ctf_metadata.path->str);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = query(comp_cls, "metadata-info",
+ params, &results, &fail_reason);
+ if (ret) {
+ goto failed;
+ }
+
+ metadata_text_value = bt_value_map_borrow_entry_value_const(results,
+ "text");
+ if (!metadata_text_value) {
+ BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
+ ret = -1;
+ goto end;
+ }
+
+ metadata_text = bt_value_string_get(metadata_text_value);
+
+ if (cfg->cmd_data.print_ctf_metadata.output_path->len > 0) {
+ out_stream =
+ fopen(cfg->cmd_data.print_ctf_metadata.output_path->str,
+ "w");
+ if (!out_stream) {
+ ret = -1;
+ BT_LOGE_ERRNO("Cannot open file for writing",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_ctf_metadata.output_path->str);
+ goto end;
+ }
+ }
+
+ ret = fprintf(out_stream, "%s\n", metadata_text);
+ if (ret < 0) {
+ BT_LOGE("Cannot write whole metadata text to output stream: "
+ "ret=%d", ret);
+ }
+
+ 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:
+ bt_value_put_ref(results);
+ bt_value_put_ref(params);
+ bt_component_class_put_ref(comp_cls);
+
+ if (out_stream && out_stream != stdout) {
+ int fclose_ret = fclose(out_stream);
+
+ if (fclose_ret) {
+ BT_LOGE_ERRNO("Cannot close file stream",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_ctf_metadata.output_path->str);
+ }
+ }
+
+ return ret;
+}
+
+struct port_id {
+ char *instance_name;
+ char *port_name;
+};
+
+struct trace_range {
+ uint64_t intersection_range_begin_ns;
+ uint64_t intersection_range_end_ns;
+};
+
+static
+guint port_id_hash(gconstpointer v)
+{
+ const struct port_id *id = v;
+
+ BT_ASSERT(id->instance_name);
+ BT_ASSERT(id->port_name);
+
+ return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
+}
+
+static
+gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
+{
+ const struct port_id *id1 = v1;
+ const struct port_id *id2 = v2;
+
+ return !strcmp(id1->instance_name, id2->instance_name) &&
+ !strcmp(id1->port_name, id2->port_name);
+}
+
+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 *src_components;
+
+ /* Owned by this */
+ GHashTable *flt_components;
+
+ /* Owned by this */
+ GHashTable *sink_components;
+
+ /* Owned by this */
+ 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,
+ const bt_component *upstream_comp,
+ const bt_port_output *out_upstream_port,
+ struct bt_config_connection *cfg_conn)
+{
+ typedef uint64_t (*input_port_count_func_t)(void *);
+ typedef const bt_port_input *(*borrow_input_port_by_index_func_t)(
+ const void *, uint64_t);
+ const bt_port *upstream_port =
+ bt_port_output_as_port_const(out_upstream_port);
+
+ int ret = 0;
+ GQuark downstreamp_comp_name_quark;
+ void *downstream_comp;
+ uint64_t downstream_port_count;
+ uint64_t i;
+ input_port_count_func_t port_count_fn;
+ borrow_input_port_by_index_func_t port_by_index_fn;
+ bt_graph_status status = BT_GRAPH_STATUS_ERROR;
+ bool insert_trimmer = false;
+ bt_value *trimmer_params = NULL;
+ char *intersection_begin = NULL;
+ char *intersection_end = NULL;
+ const bt_component_filter *trimmer = NULL;
+ const bt_component_class_filter *trimmer_class = NULL;
+ const bt_port_input *trimmer_input = NULL;
+ const bt_port_output *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) {
+ 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_entry(
+ trimmer_params, "begin", intersection_begin);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ status = bt_value_map_insert_string_entry(
+ trimmer_params,
+ "end", intersection_end);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ }
+
+ trimmer_class = find_filter_component_class("utils", "trimmer");
+ 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);
+ BT_ASSERT(downstreamp_comp_name_quark > 0);
+ downstream_comp = g_hash_table_lookup(ctx->flt_components,
+ GUINT_TO_POINTER(downstreamp_comp_name_quark));
+ port_count_fn = (input_port_count_func_t)
+ bt_component_filter_get_input_port_count;
+ port_by_index_fn = (borrow_input_port_by_index_func_t)
+ bt_component_filter_borrow_input_port_by_index_const;
+
+ if (!downstream_comp) {
+ downstream_comp = g_hash_table_lookup(ctx->sink_components,
+ GUINT_TO_POINTER(downstreamp_comp_name_quark));
+ port_count_fn = (input_port_count_func_t)
+ bt_component_sink_get_input_port_count;
+ port_by_index_fn = (borrow_input_port_by_index_func_t)
+ bt_component_sink_borrow_input_port_by_index_const;
+ }
+
+ 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;
+ }
+
+ downstream_port_count = port_count_fn(downstream_comp);
+
+ for (i = 0; i < downstream_port_count; i++) {
+ const bt_port_input *in_downstream_port =
+ port_by_index_fn(downstream_comp, i);
+ const bt_port *downstream_port =
+ bt_port_input_as_port_const(in_downstream_port);
+ const char *upstream_port_name;
+ const char *downstream_port_name;
+
+ BT_ASSERT(downstream_port);
+
+ /* Skip port if it's already connected. */
+ if (bt_port_is_connected(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);
+ BT_ASSERT(downstream_port_name);
+ upstream_port_name = bt_port_get_name(upstream_port);
+ BT_ASSERT(upstream_port_name);
+
+ if (!bt_common_star_glob_match(
+ cfg_conn->downstream_port_glob->str, SIZE_MAX,
+ downstream_port_name, SIZE_MAX)) {
+ 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;
+ bt_graph_status graph_status;
+
+ ret = asprintf(&trimmer_name,
+ "stream-intersection-trimmer-%s",
+ upstream_port_name);
+ if (ret < 0) {
+ goto error;
+ }
+ ret = 0;
+
+ ctx->connect_ports = false;
+ graph_status = bt_graph_add_filter_component(
+ ctx->graph, trimmer_class, trimmer_name,
+ trimmer_params, &trimmer);
+ free(trimmer_name);
+ if (graph_status != BT_GRAPH_STATUS_OK) {
+ goto error;
+ }
+ BT_ASSERT(trimmer);
+
+ trimmer_input =
+ bt_component_filter_borrow_input_port_by_index_const(
+ trimmer, 0);
+ if (!trimmer_input) {
+ goto error;
+ }
+ trimmer_output =
+ bt_component_filter_borrow_output_port_by_index_const(
+ trimmer, 0);
+ if (!trimmer_output) {
+ goto error;
+ }
+
+ /*
+ * Replace the current downstream port by the trimmer's
+ * upstream port.
+ */
+ in_downstream_port = trimmer_input;
+ downstream_port =
+ bt_port_input_as_port_const(in_downstream_port);
+ downstream_port_name = bt_port_get_name(
+ downstream_port);
+ BT_ASSERT(downstream_port_name);
+ }
+
+ /* We have a winner! */
+ status = bt_graph_connect_ports(ctx->graph,
+ out_upstream_port, in_downstream_port, NULL);
+ downstream_port = NULL;
+ 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,
+ bt_component_filter_as_component_const(trimmer),
+ trimmer_output, cfg_conn);
+ if (ret) {
+ goto error;
+ }
+ ctx->connect_ports = true;
+ }
+
+ /*
+ * We found a matching downstream port: the search is
+ * over.
+ */
+ 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;
+
+end:
+ free(intersection_begin);
+ free(intersection_end);
+ BT_VALUE_PUT_REF_AND_RESET(trimmer_params);
+ BT_COMPONENT_CLASS_FILTER_PUT_REF_AND_RESET(trimmer_class);
+ BT_COMPONENT_FILTER_PUT_REF_AND_RESET(trimmer);
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
+ const bt_port_output *upstream_port)
+{
+ int ret = 0;
+ const char *upstream_port_name;
+ const char *upstream_comp_name;
+ const bt_component *upstream_comp = NULL;
+ size_t i;
+
+ BT_ASSERT(ctx);
+ BT_ASSERT(upstream_port);
+ upstream_port_name = bt_port_get_name(
+ bt_port_output_as_port_const(upstream_port));
+ BT_ASSERT(upstream_port_name);
+ upstream_comp = bt_port_borrow_component_const(
+ bt_port_output_as_port_const(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);
+ BT_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:
+ return ret;
+}
+
+static
+void graph_output_port_added_listener(struct cmd_run_ctx *ctx,
+ const bt_port_output *out_port)
+{
+ const bt_component *comp;
+ const bt_port *port = bt_port_output_as_port_const(out_port);
+
+ comp = bt_port_borrow_component_const(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 (cmd_run_ctx_connect_upstream_port(ctx, out_port)) {
+ BT_LOGF_STR("Cannot connect upstream port.");
+ fprintf(stderr, "Added port could not be connected: aborting\n");
+ abort();
+ }
+
+end:
+ return;
+}
+
+static
+void graph_source_output_port_added_listener(
+ const bt_component_source *component,
+ const bt_port_output *port, void *data)
+{
+ graph_output_port_added_listener(data, port);
+}
+
+static
+void graph_filter_output_port_added_listener(
+ const bt_component_filter *component,
+ const bt_port_output *port, void *data)
+{
+ graph_output_port_added_listener(data, port);
+}
+
+static
+void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
+{
+ if (!ctx) {
+ return;
+ }
+
+ if (ctx->src_components) {
+ g_hash_table_destroy(ctx->src_components);
+ ctx->src_components = NULL;
+ }
+
+ if (ctx->flt_components) {
+ g_hash_table_destroy(ctx->flt_components);
+ ctx->flt_components = NULL;
+ }
+
+ if (ctx->sink_components) {
+ g_hash_table_destroy(ctx->sink_components);
+ ctx->sink_components = NULL;
+ }
+
+ if (ctx->intersections) {
+ g_hash_table_destroy(ctx->intersections);
+ ctx->intersections = NULL;
+ }
+
+ BT_GRAPH_PUT_REF_AND_RESET(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;
+ bt_graph_status status;
+
+ ctx->cfg = cfg;
+ ctx->connect_ports = false;
+ ctx->src_components = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+ if (!ctx->src_components) {
+ goto error;
+ }
+ ctx->flt_components = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+ if (!ctx->flt_components) {
+ goto error;
+ }
- if (cfg->cmd_data.help.cfg_component->type !=
- BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
- struct bt_component_class *needed_comp_cls =
- find_component_class(
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
+ ctx->sink_components = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+ if (!ctx->sink_components) {
+ goto error;
+ }
- if (!needed_comp_cls) {
- fprintf(stderr, "\n%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
+ 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;
}
+ }
- bt_put(needed_comp_cls);
+ ctx->graph = bt_graph_create();
+ if (!ctx->graph) {
+ goto error;
}
- for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
- struct bt_component_class *comp_cls =
- bt_plugin_get_component_class(plugin, i);
- const char *comp_class_name =
- bt_component_class_get_name(comp_cls);
- const char *comp_class_description =
- bt_component_class_get_description(comp_cls);
- const char *comp_class_help =
- bt_component_class_get_help(comp_cls);
- enum bt_component_class_type type =
- bt_component_class_get_type(comp_cls);
-
- assert(comp_cls);
-
- if (cfg->cmd_data.help.cfg_component->type !=
- BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
- if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- comp_class_name) != 0 &&
- type ==
- cfg->cmd_data.help.cfg_component->type) {
- bt_put(comp_cls);
- continue;
- }
- }
+ the_graph = ctx->graph;
+ status = bt_graph_add_source_component_output_port_added_listener(
+ ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
+ NULL);
+ if (status != BT_GRAPH_STATUS_OK) {
+ BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+ goto error;
+ }
- printf("\n");
- print_plugin_comp_cls_opt(stdout,
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- comp_class_name,
- type);
- printf("\n");
- printf(" %sDescription%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- comp_class_description ? comp_class_description : "(None)");
+ status = bt_graph_add_filter_component_output_port_added_listener(
+ ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
+ NULL);
+ if (status != BT_GRAPH_STATUS_OK) {
+ BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+ goto error;
+ }
- if (comp_class_help) {
- printf("\n%s\n", comp_class_help);
- }
+ goto end;
- bt_put(comp_cls);
- }
+error:
+ cmd_run_ctx_destroy(ctx);
+ ret = -1;
end:
- bt_put(plugin);
return ret;
}
-static int cmd_list_plugins(struct bt_config *cfg)
+static
+int set_stream_intersections(struct cmd_run_ctx *ctx,
+ struct bt_config_component *cfg_comp,
+ const bt_component_class_source *src_comp_cls)
{
- int ret;
- int plugins_count, component_classes_count = 0, i;
-
- ret = load_all_plugins(cfg->plugin_paths);
+ int ret = 0;
+ uint64_t trace_idx;
+ int64_t trace_count;
+ const char *path = NULL;
+ const bt_value *query_result = NULL;
+ const bt_value *trace_info = NULL;
+ const bt_value *intersection_range = NULL;
+ const bt_value *intersection_begin = NULL;
+ const bt_value *intersection_end = NULL;
+ const bt_value *stream_path_value = NULL;
+ const bt_value *stream_paths = NULL;
+ const bt_value *stream_infos = NULL;
+ const bt_value *stream_info = NULL;
+ struct port_id *port_id = NULL;
+ struct trace_range *trace_range = NULL;
+ const char *fail_reason = NULL;
+ const bt_component_class *comp_cls =
+ bt_component_class_source_as_component_class_const(src_comp_cls);
+
+ ret = query(comp_cls, "trace-info",
+ cfg_comp->params, &query_result,
+ &fail_reason);
if (ret) {
- goto end;
+ 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;
}
- printf("From the following plugin paths:\n\n");
- print_value(cfg->plugin_paths, 2);
- printf("\n");
- plugins_count = loaded_plugins->len;
- if (plugins_count == 0) {
- fprintf(stderr, "%s%sNo plugins found.%s\n",
- bt_common_color_bold(), bt_common_color_fg_red(),
- bt_common_color_reset());
- fprintf(stderr, "\n");
- fprintf(stderr, "Please make sure your plugin search path is set correctly. You can use\n");
- fprintf(stderr, "the --plugin-path command-line option or the BABELTRACE_PLUGIN_PATH\n");
- fprintf(stderr, "environment variable.\n");
+ BT_ASSERT(query_result);
+
+ 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 end;
+ goto error;
}
- for (i = 0; i < plugins_count; i++) {
- struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+ trace_count = bt_value_array_get_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_borrow_element_by_index_const(
+ 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_borrow_entry_value_const(
+ 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_borrow_entry_value_const(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_borrow_entry_value_const(intersection_range,
+ "end");
+ if (!intersection_end) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
+ goto error;
+ }
+
+ begin = bt_value_signed_integer_get(intersection_begin);
+ end = bt_value_signed_integer_get(intersection_end);
+
+ 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_borrow_entry_value_const(trace_info,
+ "streams");
+ if (!stream_infos || !bt_value_is_array(stream_infos)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream information from trace in query result.");
+ goto error;
+ }
- component_classes_count += bt_plugin_get_component_class_count(plugin);
+ stream_count = bt_value_array_get_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_borrow_element_by_index_const(
+ 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_borrow_entry_value_const(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_borrow_element_by_index_const(
+ 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;
+ }
+
+ stream_path = bt_value_string_get(stream_path_value);
+ 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;
+ }
}
- printf("Found %s%d%s component classes in %s%d%s plugins.\n",
- bt_common_color_bold(),
- component_classes_count,
- bt_common_color_reset(),
+ goto end;
+
+error:
+ fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
bt_common_color_bold(),
- plugins_count,
+ bt_common_color_fg_yellow(),
+ path ? path : "(unknown)",
bt_common_color_reset());
+end:
+ bt_value_put_ref(query_result);
+ g_free(port_id);
+ g_free(trace_range);
+ return ret;
+}
- for (i = 0; i < plugins_count; i++) {
- int j;
- struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+static
+int cmd_run_ctx_create_components_from_config_components(
+ struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
+{
+ size_t i;
+ const void *comp_cls = NULL;
+ const void *comp = NULL;
+ int ret = 0;
- component_classes_count =
- bt_plugin_get_component_class_count(plugin);
- printf("\n");
- print_plugin_info(plugin);
+ for (i = 0; i < cfg_components->len; i++) {
+ struct bt_config_component *cfg_comp =
+ g_ptr_array_index(cfg_components, i);
+ GQuark quark;
+
+ switch (cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ comp_cls = find_source_component_class(
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ comp_cls = find_filter_component_class(
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ comp_cls = find_sink_component_class(
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str);
+ break;
+ default:
+ abort();
+ }
- if (component_classes_count == 0) {
- printf(" %sComponent classes%s: (None)\n",
+ 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());
- } else {
- printf(" %sComponent classes%s:\n",
+ 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;
+ }
+
+ switch (cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ ret = bt_graph_add_source_component(ctx->graph,
+ comp_cls, cfg_comp->instance_name->str,
+ cfg_comp->params,
+ (void *) &comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ ret = bt_graph_add_filter_component(ctx->graph,
+ comp_cls, cfg_comp->instance_name->str,
+ cfg_comp->params,
+ (void *) &comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ ret = bt_graph_add_sink_component(ctx->graph,
+ comp_cls, cfg_comp->instance_name->str,
+ cfg_comp->params,
+ (void *) &comp);
+ break;
+ default:
+ abort();
+ }
+
+ 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;
}
- for (j = 0; j < component_classes_count; j++) {
- struct bt_component_class *comp_class =
- bt_plugin_get_component_class(plugin, j);
- const char *comp_class_name =
- bt_component_class_get_name(comp_class);
- const char *comp_class_description =
- bt_component_class_get_description(comp_class);
- enum bt_component_class_type type =
- bt_component_class_get_type(comp_class);
-
- printf(" ");
- print_plugin_comp_cls_opt(stdout,
- bt_plugin_get_name(plugin), comp_class_name,
- type);
-
- if (comp_class_description) {
- printf(": %s", comp_class_description);
+ 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;
}
+ }
- printf("\n");
- bt_put(comp_class);
+ 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);
+ BT_ASSERT(quark > 0);
+
+ switch (cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ g_hash_table_insert(ctx->src_components,
+ GUINT_TO_POINTER(quark), (void *) comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ g_hash_table_insert(ctx->flt_components,
+ GUINT_TO_POINTER(quark), (void *) comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ g_hash_table_insert(ctx->sink_components,
+ GUINT_TO_POINTER(quark), (void *) comp);
+ break;
+ default:
+ abort();
}
+
+ comp = NULL;
+ BT_OBJECT_PUT_REF_AND_RESET(comp_cls);
}
+ goto end;
+
+error:
+ ret = -1;
+
end:
+ bt_object_put_ref(comp);
+ bt_object_put_ref(comp_cls);
return ret;
}
-static int cmd_print_lttng_live_sessions(struct bt_config *cfg)
-{
- printf("TODO\n");
- return -1;
-}
-
-static int cmd_print_ctf_metadata(struct bt_config *cfg)
+static
+int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
{
int ret = 0;
- struct bt_component_class *comp_cls = NULL;
- struct bt_value *results = NULL;
- struct bt_value *params = NULL;
- struct bt_value *metadata_text_value = NULL;
- const char *metadata_text = NULL;
- static const char * const plugin_name = "ctf";
- static const char * const comp_cls_name = "fs";
- static const enum bt_component_class_type comp_cls_type =
- BT_COMPONENT_CLASS_TYPE_SOURCE;
- assert(cfg->cmd_data.print_ctf_metadata.path);
- comp_cls = find_component_class(plugin_name, comp_cls_name,
- comp_cls_type);
- if (!comp_cls) {
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr, plugin_name,
- comp_cls_name, comp_cls_type);
- fprintf(stderr, "\n");
+ /*
+ * 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;
}
- params = bt_value_map_create();
- if (!params) {
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.filters);
+ if (ret) {
ret = -1;
goto end;
}
- ret = bt_value_map_insert_string(params, "path",
- cfg->cmd_data.print_ctf_metadata.path->str);
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.sinks);
if (ret) {
ret = -1;
goto end;
}
- results = bt_component_class_query(comp_cls, "metadata-info",
- params);
- if (!results) {
- ret = -1;
- fprintf(stderr, "%s%sFailed to request metadata info%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- goto end;
+end:
+ return ret;
+}
+
+typedef uint64_t (*output_port_count_func_t)(const void *);
+typedef const bt_port_output *(*borrow_output_port_by_index_func_t)(
+ const void *, uint64_t);
+
+static
+int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
+ void *comp, output_port_count_func_t port_count_fn,
+ borrow_output_port_by_index_func_t port_by_index_fn)
+{
+ int ret = 0;
+ uint64_t count;
+ uint64_t i;
+
+ count = port_count_fn(comp);
+
+ for (i = 0; i < count; i++) {
+ const bt_port_output *upstream_port = port_by_index_fn(comp, i);
+
+ BT_ASSERT(upstream_port);
+ ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
+ if (ret) {
+ goto end;
+ }
}
- metadata_text_value = bt_value_map_get(results, "text");
- if (!metadata_text_value) {
- ret = -1;
- 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->src_components);
+
+ while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+ ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+ (output_port_count_func_t)
+ bt_component_source_get_output_port_count,
+ (borrow_output_port_by_index_func_t)
+ bt_component_source_borrow_output_port_by_index_const);
+ if (ret) {
+ goto end;
+ }
}
- ret = bt_value_string_get(metadata_text_value, &metadata_text);
- assert(ret == 0);
- printf("%s\n", metadata_text);
+ g_hash_table_iter_init(&iter, ctx->flt_components);
+
+ while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+ ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+ (output_port_count_func_t)
+ bt_component_filter_get_output_port_count,
+ (borrow_output_port_by_index_func_t)
+ bt_component_filter_borrow_output_port_by_index_const);
+ if (ret) {
+ goto end;
+ }
+ }
end:
- bt_put(results);
- bt_put(params);
- bt_put(metadata_text_value);
- bt_put(comp_cls);
- return 0;
+ return ret;
}
-static int cmd_run(struct bt_config *cfg)
+static inline
+const char *bt_graph_status_str(bt_graph_status status)
{
- 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;
+ switch (status) {
+ case BT_GRAPH_STATUS_OK:
+ return "BT_GRAPH_STATUS_OK";
+ case BT_GRAPH_STATUS_END:
+ return "BT_GRAPH_STATUS_END";
+ case BT_GRAPH_STATUS_AGAIN:
+ return "BT_GRAPH_STATUS_AGAIN";
+ case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+ return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
+ case BT_GRAPH_STATUS_CANCELED:
+ return "BT_GRAPH_STATUS_CANCELED";
+ case BT_GRAPH_STATUS_ERROR:
+ return "BT_GRAPH_STATUS_ERROR";
+ case BT_GRAPH_STATUS_NO_SINK:
+ return "BT_GRAPH_STATUS_NO_SINK";
+ case BT_GRAPH_STATUS_NOMEM:
+ return "BT_GRAPH_STATUS_NOMEM";
+ default:
+ return "(unknown)";
}
+}
- /* 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;
+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;
}
- 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;
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before creating components.");
+ goto error;
}
- 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;
+ 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;
}
- graph = bt_graph_create();
- if (!graph) {
- ret = -1;
- goto end;
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before connecting components.");
+ goto error;
}
- 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;
- }
+ BT_LOGI_STR("Connecting components.");
- 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;
+ /* 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;
}
- ret = connect_source_sink(graph, source, source_cfg, sink);
- if (ret) {
- ret = -1;
- goto end;
+ 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;
+ 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:
+ case BT_GRAPH_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++;
+ }
+}
+
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_signal_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();
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ fini_static_data();
return retcode;
}
projects / babeltrace.git / blobdiff