#include "babeltrace2-cfg-cli-args.h"
#include "babeltrace2-cfg-cli-args-connect.h"
#include "babeltrace2-cfg-cli-params-arg.h"
+#include "babeltrace2-plugins.h"
+#include "babeltrace2-cfg-src-auto-disc.h"
#include "common/version.h"
static const int cli_default_log_level = BT_LOG_WARNING;
struct implicit_component_args {
bool exists;
+
+ /* The component class name (e.g. src.ctf.fs). */
GString *comp_arg;
+
+ /* The component instance name. */
GString *name_arg;
+
GString *params_arg;
bt_value *extra_params;
};
return ret;
}
+/* Free the fields of a `struct implicit_component_args`. */
+
static
void finalize_implicit_component_args(struct implicit_component_args *args)
{
bt_value_put_ref(args->extra_params);
}
+/* Destroy a dynamically-allocated `struct implicit_component_args`. */
+
+static
+void destroy_implicit_component_args(struct implicit_component_args *args)
+{
+ finalize_implicit_component_args(args);
+ g_free(args);
+}
+
+/* Initialize the fields of an already allocated `struct implicit_component_args`. */
+
static
int init_implicit_component_args(struct implicit_component_args *args,
const char *comp_arg, bool exists)
return ret;
}
+/* Dynamically allocate and initialize a `struct implicit_component_args`. */
+
+static
+struct implicit_component_args *create_implicit_component_args(
+ const char *comp_arg)
+{
+ struct implicit_component_args *args;
+ int status;
+
+ args = g_new(struct implicit_component_args, 1);
+ if (!args) {
+ BT_CLI_LOGE_APPEND_CAUSE_OOM();
+ goto end;
+ }
+
+ status = init_implicit_component_args(args, comp_arg, true);
+ if (status != 0) {
+ g_free(args);
+ args = NULL;
+ }
+
+end:
+ return args;
+}
+
static
void append_implicit_component_param(struct implicit_component_args *args,
const char *key, const char *value)
append_param_arg(args->params_arg, key, value);
}
+/*
+ * Append the given parameter (`key=value`) to all component specifications
+ * in `implicit_comp_args` (an array of `struct implicit_component_args *`)
+ * which match `comp_arg`.
+ *
+ * Return the number of matching components.
+ */
+
+static
+int append_multiple_implicit_components_param(GPtrArray *implicit_comp_args,
+ const char *comp_arg, const char *key, const char *value)
+{
+ int i;
+ int n = 0;
+
+ for (i = 0; i < implicit_comp_args->len; i++) {
+ struct implicit_component_args *args = implicit_comp_args->pdata[i];
+
+ if (strcmp(args->comp_arg->str, comp_arg) == 0) {
+ append_implicit_component_param(args, key, value);
+ n++;
+ }
+ }
+
+ return n;
+}
+
/* Escape value to make it suitable to use as a string parameter value. */
static
gchar *escape_string_value(const char *value)
return ret;
}
+/*
+ * Create `struct implicit_component_args` structures for each of the source
+ * components we identified. Add them to `component_args`.
+ */
+
+static
+void create_implicit_component_args_from_auto_discovered_sources(
+ const struct auto_source_discovery *auto_disc, GPtrArray *component_args)
+{
+ gchar *cc_name = NULL;
+ struct implicit_component_args *comp = NULL;
+ int status;
+ guint i, len;
+
+ len = auto_disc->results->len;
+
+ for (i = 0; i < len; i++) {
+ struct auto_source_discovery_result *res =
+ g_ptr_array_index(auto_disc->results, i);
+
+ g_free(cc_name);
+ cc_name = g_strdup_printf("source.%s.%s", res->plugin_name, res->source_cc_name);
+ if (!cc_name) {
+ BT_CLI_LOGE_APPEND_CAUSE_OOM();
+ goto end;
+ }
+
+ comp = create_implicit_component_args(cc_name);
+ if (!comp) {
+ goto end;
+ }
+
+ status = append_parameter_to_args(comp->extra_params, "inputs", res->inputs);
+ if (status != 0) {
+ goto end;
+ }
+
+ g_ptr_array_add(component_args, comp);
+ comp = NULL;
+ }
+
+end:
+ g_free(cc_name);
+
+ if (comp) {
+ destroy_implicit_component_args(comp);
+ }
+}
+
/*
* Creates a Babeltrace config object from the arguments of a convert
* command.
GList *filter_names = NULL;
GList *sink_names = NULL;
bt_value *leftovers = NULL;
- struct implicit_component_args implicit_ctf_input_args = { 0 };
struct implicit_component_args implicit_ctf_output_args = { 0 };
struct implicit_component_args implicit_lttng_live_args = { 0 };
struct implicit_component_args implicit_dummy_args = { 0 };
size_t i;
struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
char *output = NULL;
+ struct auto_source_discovery auto_disc = { NULL };
+ GString *auto_disc_comp_name = NULL;
+
+ /*
+ * Array of `struct implicit_component_args *` created for the sources
+ * we have auto-discovered.
+ */
+ GPtrArray *discovered_source_args = NULL;
+
+ /*
+ * If set, restrict automatic source discovery to this component class
+ * of this plugin.
+ */
+ const char *auto_source_discovery_restrict_plugin_name = NULL;
+ const char *auto_source_discovery_restrict_component_class_name = NULL;
+
+ gchar *ctf_fs_source_clock_class_offset_arg = NULL;
+ gchar *ctf_fs_source_clock_class_offset_ns_arg = NULL;
(void) bt_value_copy(initial_plugin_paths, &plugin_paths);
goto end;
}
- if (init_implicit_component_args(&implicit_ctf_input_args,
- "source.ctf.fs", false)) {
- goto error;
- }
-
if (init_implicit_component_args(&implicit_ctf_output_args,
"sink.ctf.fs", false)) {
goto error;
goto error;
}
+ if (auto_source_discovery_init(&auto_disc) != 0) {
+ goto error;
+ }
+
+ discovered_source_args =
+ g_ptr_array_new_with_free_func((GDestroyNotify) destroy_implicit_component_args);
+ if (!discovered_source_args) {
+ BT_CLI_LOGE_APPEND_CAUSE_OOM();
+ goto error;
+ }
+
+ auto_disc_comp_name = g_string_new(NULL);
+ if (!auto_disc_comp_name) {
+ BT_CLI_LOGE_APPEND_CAUSE_OOM();
+ goto error;
+ }
+
/*
* First pass: collect all arguments which need to be passed
* as is to the run command. This pass can also add --name
implicit_text_args.exists = true;
break;
case OPT_CLOCK_OFFSET:
- implicit_ctf_input_args.exists = true;
- append_implicit_component_param(
- &implicit_ctf_input_args,
- "clock-class-offset-s", arg);
+ if (ctf_fs_source_clock_class_offset_arg) {
+ BT_CLI_LOGE_APPEND_CAUSE("Duplicate --clock-offset option\n");
+ goto error;
+ }
+
+ ctf_fs_source_clock_class_offset_arg = g_strdup(arg);
+ if (!ctf_fs_source_clock_class_offset_arg) {
+ BT_CLI_LOGE_APPEND_CAUSE_OOM();
+ goto error;
+ }
break;
case OPT_CLOCK_OFFSET_NS:
- implicit_ctf_input_args.exists = true;
- append_implicit_component_param(
- &implicit_ctf_input_args,
- "clock-class-offset-ns", arg);
+ if (ctf_fs_source_clock_class_offset_ns_arg) {
+ BT_CLI_LOGE_APPEND_CAUSE("Duplicate --clock-offset-ns option\n");
+ goto error;
+ }
+
+ ctf_fs_source_clock_class_offset_ns_arg = g_strdup(arg);
+ if (!ctf_fs_source_clock_class_offset_ns_arg) {
+ BT_CLI_LOGE_APPEND_CAUSE_OOM();
+ goto error;
+ }
break;
case OPT_CLOCK_SECONDS:
append_implicit_component_param(
got_input_format_opt = true;
if (strcmp(arg, "ctf") == 0) {
- implicit_ctf_input_args.exists = true;
+ auto_source_discovery_restrict_plugin_name = "ctf";
+ auto_source_discovery_restrict_component_class_name = "fs";
} else if (strcmp(arg, "lttng-live") == 0) {
+ auto_source_discovery_restrict_plugin_name = "ctf";
+ auto_source_discovery_restrict_component_class_name = "lttng-live";
implicit_lttng_live_args.exists = true;
} else {
BT_CLI_LOGE_APPEND_CAUSE("Unknown legacy input format:\n %s",
goto error;
}
} else {
- /*
- * Create one source.ctf.fs component, pass it an array
- * with the leftovers.
- * Note that it still has to be named later.
- */
- implicit_ctf_input_args.exists = true;
- ret = append_parameter_to_args(implicit_ctf_input_args.extra_params,
- "paths", leftovers);
- if (ret) {
+ int status;
+
+ status = auto_discover_source_components(plugin_paths, leftovers,
+ auto_source_discovery_restrict_plugin_name,
+ auto_source_discovery_restrict_component_class_name,
+ *default_log_level >= 0 ? *default_log_level : cli_default_log_level,
+ &auto_disc);
+
+ if (status != 0) {
goto error;
}
+
+ create_implicit_component_args_from_auto_discovered_sources(
+ &auto_disc, discovered_source_args);
}
}
- /*
- * Ensure mutual exclusion between implicit `source.ctf.fs` and
- * `source.ctf.lttng-live` components.
- */
- if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) {
- BT_CLI_LOGE_APPEND_CAUSE("Cannot create both implicit `%s` and `%s` components.",
- implicit_ctf_input_args.comp_arg->str,
- implicit_lttng_live_args.comp_arg->str);
- goto error;
+ /* If --clock-offset was given, apply it to any src.ctf.fs component. */
+ if (ctf_fs_source_clock_class_offset_arg) {
+ int n;
+
+ n = append_multiple_implicit_components_param(
+ discovered_source_args, "source.ctf.fs", "clock-class-offset-s",
+ ctf_fs_source_clock_class_offset_arg);
+
+ if (n == 0) {
+ BT_CLI_LOGE_APPEND_CAUSE("--clock-offset specified, but no source.ctf.fs component instantiated.");
+ goto error;
+ }
}
- /*
- * If the implicit `source.ctf.fs` or `source.ctf.lttng-live`
- * components exists, make sure there's at least one leftover
- * (which is the path or URL).
- */
- if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) {
- BT_CLI_LOGE_APPEND_CAUSE("Missing path for implicit `%s` component.",
- implicit_ctf_input_args.comp_arg->str);
- goto error;
+ /* If --clock-offset-ns was given, apply it to any src.ctf.fs component. */
+ if (ctf_fs_source_clock_class_offset_ns_arg) {
+ int n;
+
+ n = append_multiple_implicit_components_param(
+ discovered_source_args, "source.ctf.fs", "clock-class-offset-ns",
+ ctf_fs_source_clock_class_offset_ns_arg);
+
+ if (n == 0) {
+ BT_CLI_LOGE_APPEND_CAUSE("--clock-offset-ns specified, but no source.ctf.fs component instantiated.");
+ goto error;
+ }
}
+ /*
+ * If the implicit `source.ctf.lttng-live` component exists, make sure
+ * there's at least one leftover (which is the URL).
+ */
if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) {
BT_CLI_LOGE_APPEND_CAUSE("Missing URL for implicit `%s` component.",
implicit_lttng_live_args.comp_arg->str);
}
/* Assign names to implicit components */
- ret = assign_name_to_implicit_component(&implicit_ctf_input_args,
- "source-ctf-fs", all_names, &source_names, true);
- if (ret) {
- goto error;
+ for (i = 0; i < discovered_source_args->len; i++) {
+ struct implicit_component_args *args;
+ int j;
+
+ args = discovered_source_args->pdata[i];
+
+ g_string_printf(auto_disc_comp_name, "auto-disc-%s", args->comp_arg->str);
+
+ /* Give it a name like `auto-disc-src-ctf-fs`. */
+ for (j = 0; j < auto_disc_comp_name->len; j++) {
+ if (auto_disc_comp_name->str[j] == '.') {
+ auto_disc_comp_name->str[j] = '-';
+ }
+ }
+
+ ret = assign_name_to_implicit_component(args,
+ auto_disc_comp_name->str, all_names, &source_names, true);
+ if (ret) {
+ goto error;
+ }
}
ret = assign_name_to_implicit_component(&implicit_lttng_live_args,
* Append the equivalent run arguments for the implicit
* components.
*/
- ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args);
- if (ret) {
- goto error;
+ for (i = 0; i < discovered_source_args->len; i++) {
+ struct implicit_component_args *args =
+ discovered_source_args->pdata[i];
+
+ ret = append_run_args_for_implicit_component(args, run_args);
+ if (ret) {
+ goto error;
+ }
}
ret = append_run_args_for_implicit_component(&implicit_lttng_live_args,
destroy_glist_of_gstring(filter_names);
destroy_glist_of_gstring(sink_names);
bt_value_put_ref(leftovers);
- finalize_implicit_component_args(&implicit_ctf_input_args);
finalize_implicit_component_args(&implicit_ctf_output_args);
finalize_implicit_component_args(&implicit_lttng_live_args);
finalize_implicit_component_args(&implicit_dummy_args);
finalize_implicit_component_args(&implicit_trimmer_args);
bt_value_put_ref(plugin_paths);
bt_common_destroy_lttng_live_url_parts(<tng_live_url_parts);
+ auto_source_discovery_fini(&auto_disc);
+
+ if (discovered_source_args) {
+ g_ptr_array_free(discovered_source_args, TRUE);
+ }
+
+ g_free(ctf_fs_source_clock_class_offset_arg);
+ g_free(ctf_fs_source_clock_class_offset_ns_arg);
+
+ if (auto_disc_comp_name) {
+ g_string_free(auto_disc_comp_name, TRUE);
+ }
+
return cfg;
}
projects / babeltrace.git / blobdiff