X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=converter%2Fbabeltrace.c;h=9a5af9fb01efa436dc1f0604de83df2f1a0e886a;hb=5a3ee633fdd379e8acf7535f0ba91fb05234a36a;hp=fd025b6c8700f31e3a8d3a80a65cab73f55be814;hpb=0cc9e945b74225cd449d20f0c9516fb152d220b1;p=babeltrace.git diff --git a/converter/babeltrace.c b/converter/babeltrace.c index fd025b6c..9a5af9fb 100644 --- a/converter/babeltrace.c +++ b/converter/babeltrace.c @@ -27,9 +27,13 @@ */ #include -#include #include -#include +#include +#include +#include +#include +#include +#include #include #include #include @@ -37,226 +41,625 @@ #include #include #include +#include +#include "babeltrace-cfg.h" +#include "default-cfg.h" +GPtrArray *loaded_plugins; -static char *opt_plugin_path; - -enum { - OPT_NONE = 0, - OPT_PLUGIN_PATH, - OPT_VERBOSE, - OPT_DEBUG, - OPT_HELP, -}; +static +void init_loaded_plugins_array(void) +{ + loaded_plugins = g_ptr_array_new_full(8, bt_put); +} -/* - * We are _not_ using POPT_ARG_STRING's ability to store directly into - * variables, because we want to cast the return to non-const, which is - * not possible without using poptGetOptArg explicitly. This helps us - * controlling memory allocation correctly without making assumptions - * about undocumented behaviors. poptGetOptArg is documented as - * requiring the returned const char * to be freed by the caller. - */ -static struct poptOption long_options[] = { - /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ - { "plugin-path", 0, POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, - { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, - { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL }, - { NULL, 0, 0, NULL, 0, NULL, NULL }, -}; +static +void fini_loaded_plugins_array(void) +{ + g_ptr_array_free(loaded_plugins, TRUE); +} -/* - * Return 0 if caller should continue, < 0 if caller should return - * error, > 0 if caller should exit without reporting error. - */ -static int parse_options(int argc, char **argv) +static +struct bt_plugin *find_plugin(const char *name) { - poptContext pc; - int opt, ret = 0; + int i; + struct bt_plugin *plugin = NULL; + + for (i = 0; i < loaded_plugins->len; i++) { + plugin = g_ptr_array_index(loaded_plugins, i); - if (argc == 1) { - return 1; /* exit cleanly */ + if (strcmp(name, bt_plugin_get_name(plugin)) == 0) { + break; + } + + plugin = NULL; } - pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); - poptReadDefaultConfig(pc, 0); + return bt_get(plugin); +} - /* set default */ - opt_context_field_names = 1; - opt_payload_field_names = 1; +static +struct bt_component_class *find_component_class(const char *plugin_name, + const char *comp_class_name, + enum bt_component_class_type comp_class_type) +{ + struct bt_component_class *comp_class = NULL; + struct bt_plugin *plugin = find_plugin(plugin_name); - while ((opt = poptGetNextOpt(pc)) != -1) { - switch (opt) { - case OPT_HELP: - ret = 1; /* exit cleanly */ - goto end; - case OPT_PLUGIN_PATH: - opt_plugin_path = (char *) poptGetOptArg(pc); - if (!opt_plugin_path) { - ret = -EINVAL; - goto end; - } ; - break; - case OPT_VERBOSE: - babeltrace_verbose = 1; - break; - case OPT_DEBUG: - babeltrace_debug = 1; - break; - default: - ret = -EINVAL; - goto end; - } + if (!plugin) { + goto end; } + comp_class = bt_plugin_get_component_class_by_name_and_type(plugin, + comp_class_name, comp_class_type); + BT_PUT(plugin); end: - if (pc) { - poptFreeContext(pc); - } - return ret; + return comp_class; } static -const char *component_type_str(enum bt_component_type type) +const char *component_type_str(enum bt_component_class_type type) { switch (type) { - case BT_COMPONENT_TYPE_SOURCE: + case BT_COMPONENT_CLASS_TYPE_SOURCE: return "source"; - case BT_COMPONENT_TYPE_SINK: + case BT_COMPONENT_CLASS_TYPE_SINK: return "sink"; - case BT_COMPONENT_TYPE_FILTER: + case BT_COMPONENT_CLASS_TYPE_FILTER: return "filter"; - case BT_COMPONENT_TYPE_UNKNOWN: + case BT_COMPONENT_CLASS_TYPE_UNKNOWN: default: return "unknown"; } } static -void print_detected_component_classes(struct bt_component_factory *factory) +void print_component_classes_found(void) { - int count, i; + int plugins_count, component_classes_count = 0, i; if (!babeltrace_verbose) { return; } - count = bt_component_factory_get_component_class_count(factory); - if (count <= 0) { - fprintf(stderr, "No component classes found. Please make sure your plug-in search path is set correctly."); + plugins_count = loaded_plugins->len; + if (plugins_count == 0) { + fprintf(stderr, "No plugins found. Please make sure your plug-in search path is set correctly.\n"); return; } - printf_verbose("Found %d component classes.\n", count); - for (i = 0; i < count; i++) { - struct bt_component_class *component_class = - bt_component_factory_get_component_class_index( - factory, i); - struct bt_plugin *plugin = bt_component_class_get_plugin( - component_class); - const char *plugin_name = bt_plugin_get_name(plugin); - const char *component_name = bt_component_class_get_name( - component_class); - const char *path = bt_plugin_get_path(plugin); - const char *author = bt_plugin_get_author(plugin); - const char *license = bt_plugin_get_license(plugin); - const char *plugin_description = bt_plugin_get_description( - plugin); - const char *component_description = - bt_component_class_get_description( - component_class); - enum bt_component_type type = bt_component_class_get_type( - component_class); - - printf_verbose("[%s - %s (%s)]\n", plugin_name, component_name, - component_type_str(type)); - printf_verbose("\tpath: %s\n", path); - printf_verbose("\tauthor: %s\n", author); - printf_verbose("\tlicense: %s\n", license); - printf_verbose("\tplugin description: %s\n", + for (i = 0; i < plugins_count; i++) { + struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i); + + component_classes_count += bt_plugin_get_component_class_count(plugin); + } + + printf_verbose("Found %d component classes in %d plugins.\n", + component_classes_count, plugins_count); + + for (i = 0; i < plugins_count; i++) { + int j; + struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i); + unsigned int major, minor, patch; + const char *extra; + enum bt_plugin_status version_status; + + component_classes_count = + bt_plugin_get_component_class_count(plugin); + version_status = bt_plugin_get_version(plugin, &major, &minor, + &patch, &extra); + + for (j = 0; j < component_classes_count; j++) { + struct bt_component_class *comp_class = + bt_plugin_get_component_class(plugin, j); + const char *plugin_name = bt_plugin_get_name(plugin); + const char *comp_class_name = + bt_component_class_get_name(comp_class); + const char *path = bt_plugin_get_path(plugin); + const char *author = bt_plugin_get_author(plugin); + const char *license = bt_plugin_get_license(plugin); + const char *plugin_description = + bt_plugin_get_description(plugin); + 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_verbose("[%s - %s (%s)]\n", plugin_name, + comp_class_name, component_type_str(type)); + printf_verbose("\tpath: %s\n", path ? path : "None"); + printf_verbose("\tauthor: %s\n", + author ? author : "Unknown"); + printf_verbose("\tlicense: %s\n", + license ? license : "Unknown"); + printf_verbose("\tplugin description: %s\n", plugin_description ? plugin_description : "None"); - printf_verbose("\tcomponent description: %s\n", - component_description ? component_description : "None"); - bt_put(plugin); - bt_put(component_class); + if (version_status == BT_PLUGIN_STATUS_OK) { + printf_verbose("\tplugin version: %u.%u.%u", + major, minor, patch); + + if (extra) { + printf("%s", extra); + } + + printf("\n"); + } + + printf_verbose("\tcomponent description: %s\n", + comp_class_description ? comp_class_description : "None"); + bt_put(comp_class); + } + } +} + +static +void print_indent(size_t indent) +{ + size_t i; + + for (i = 0; i < indent; i++) { + printf_verbose(" "); + } +} + +static +void print_value(struct bt_value *, size_t, bool); + +static +bool print_map_value(const char *key, struct bt_value *object, void *data) +{ + size_t indent = (size_t) data; + + print_indent(indent); + printf_verbose("\"%s\": ", key); + print_value(object, indent, false); + + return true; +} + +static +void print_value(struct bt_value *value, size_t indent, bool do_indent) +{ + bool bool_val; + int64_t int_val; + double dbl_val; + const char *str_val; + int size; + int i; + + if (!value) { + return; + } + + if (do_indent) { + print_indent(indent); + } + + switch (bt_value_get_type(value)) { + case BT_VALUE_TYPE_NULL: + printf_verbose("null\n"); + break; + case BT_VALUE_TYPE_BOOL: + bt_value_bool_get(value, &bool_val); + printf_verbose("%s\n", bool_val ? "true" : "false"); + break; + case BT_VALUE_TYPE_INTEGER: + bt_value_integer_get(value, &int_val); + printf_verbose("%" PRId64 "\n", int_val); + break; + case BT_VALUE_TYPE_FLOAT: + bt_value_float_get(value, &dbl_val); + printf_verbose("%lf\n", dbl_val); + break; + case BT_VALUE_TYPE_STRING: + bt_value_string_get(value, &str_val); + printf_verbose("\"%s\"\n", str_val); + break; + case BT_VALUE_TYPE_ARRAY: + size = bt_value_array_size(value); + printf_verbose("[\n"); + + for (i = 0; i < size; i++) { + struct bt_value *element = + bt_value_array_get(value, i); + + print_value(element, indent + 2, true); + BT_PUT(element); + } + + print_indent(indent); + printf_verbose("]\n"); + break; + case BT_VALUE_TYPE_MAP: + if (bt_value_map_is_empty(value)) { + printf_verbose("{}\n"); + return; + } + + printf_verbose("{\n"); + bt_value_map_foreach(value, print_map_value, + (void *) (indent + 2)); + print_indent(indent); + printf_verbose("}\n"); + break; + default: + assert(false); } } static -void test_sink_notifications(struct bt_component *sink) +void print_bt_config_component(struct bt_config_component *bt_config_component) { - return; + printf_verbose(" %s.%s\n", bt_config_component->plugin_name->str, + bt_config_component->component_name->str); + printf_verbose(" params:\n"); + print_value(bt_config_component->params, 6, true); } -int main(int argc, char **argv) +static +void print_bt_config_components(GPtrArray *array) +{ + size_t i; + + for (i = 0; i < array->len; i++) { + struct bt_config_component *cfg_component = + bt_config_get_component(array, i); + print_bt_config_component(cfg_component); + BT_PUT(cfg_component); + } +} + +static +void print_cfg(struct bt_config *cfg) +{ + printf_verbose("debug: %d\n", cfg->debug); + printf_verbose("verbose: %d\n", cfg->verbose); + printf_verbose("do list: %d\n", cfg->do_list); + printf_verbose("force correlate: %d\n", cfg->force_correlate); + printf_verbose("plugin paths:\n"); + print_value(cfg->plugin_paths, 2, true); + printf_verbose("sources:\n"); + print_bt_config_components(cfg->sources); + printf_verbose("sinks:\n"); + print_bt_config_components(cfg->sinks); +} + +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_component *source, + struct bt_config_component *source_cfg, + struct bt_component *sink) +{ + int ret = 0; + enum bt_component_status sink_status; + struct bt_component *trimmer = NULL; + struct bt_notification_iterator *source_it = NULL; + struct bt_notification_iterator *to_sink_it = NULL; + + source_it = bt_component_source_create_notification_iterator(source); + if (!source_it) { + fprintf(stderr, "Failed to instantiate source iterator. 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. */ + enum bt_component_status trimmer_status; + + trimmer = create_trimmer(source_cfg); + if (!trimmer) { + fprintf(stderr, "Failed to create trimmer component. Aborting...\n"); + ret = -1; + goto end; + } + + trimmer_status = bt_component_filter_add_iterator(trimmer, + source_it); + BT_PUT(source_it); + if (trimmer_status != BT_COMPONENT_STATUS_OK) { + fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n"); + ret = -1; + goto end; + } + + to_sink_it = bt_component_filter_create_notification_iterator(trimmer); + if (!to_sink_it) { + fprintf(stderr, "Failed to instantiate trimmer iterator. Aborting...\n"); + ret = -1; + goto end; + } + } else { + BT_MOVE(to_sink_it, source_it); + } + + sink_status = bt_component_sink_add_iterator(sink, to_sink_it); + if (sink_status != BT_COMPONENT_STATUS_OK) { + fprintf(stderr, "Failed to connect to sink component. Aborting...\n"); + ret = -1; + goto end; + } +end: + bt_put(trimmer); + bt_put(source_it); + bt_put(to_sink_it); + return ret; +} + +static +void add_to_loaded_plugins(struct bt_plugin **plugins) +{ + while (*plugins) { + struct bt_plugin *plugin = *plugins; + /* Check if it's already loaded (from another path). */ + struct bt_plugin *loaded_plugin = + find_plugin(bt_plugin_get_name(plugin)); + + if (loaded_plugin) { + printf_verbose("Not loading plugin `%s`: already loaded from `%s`\n", + bt_plugin_get_path(plugin), + bt_plugin_get_path(loaded_plugin)); + BT_PUT(loaded_plugin); + BT_PUT(plugin); + } else { + /* Transfer ownership to global array. */ + g_ptr_array_add(loaded_plugins, plugin); + } + *(plugins++) = NULL; + } +} + +static +int load_dynamic_plugins(struct bt_config *cfg) +{ + int nr_paths, i, ret = 0; + + nr_paths = bt_value_array_size(cfg->plugin_paths); + if (nr_paths < 0) { + ret = -1; + goto end; + } + + for (i = 0; i < nr_paths; i++) { + struct bt_value *plugin_path_value = NULL; + const char *plugin_path; + struct bt_plugin **plugins; + + plugin_path_value = bt_value_array_get(cfg->plugin_paths, i); + if (bt_value_string_get(plugin_path_value, + &plugin_path)) { + BT_PUT(plugin_path_value); + continue; + } + + plugins = bt_plugin_create_all_from_dir(plugin_path, false); + if (!plugins) { + printf_debug("Unable to dynamically load plugins from path %s.\n", + plugin_path); + BT_PUT(plugin_path_value); + continue; + } + + add_to_loaded_plugins(plugins); + free(plugins); + + BT_PUT(plugin_path_value); + } +end: + return ret; +} + +static +int load_static_plugins(void) +{ + int ret = 0; + struct bt_plugin **plugins; + + plugins = bt_plugin_create_all_from_static(); + if (!plugins) { + printf_debug("Unable to load static plugins.\n"); + ret = -1; + goto end; + } + + add_to_loaded_plugins(plugins); + free(plugins); +end: + return ret; +} + +int main(int argc, const char **argv) { int ret; - struct bt_component_factory *component_factory = NULL; 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 *cfg; + enum bt_component_status sink_status; + struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL; + + init_loaded_plugins_array(); - ret = parse_options(argc, argv); - if (ret < 0) { - fprintf(stderr, "Error parsing options.\n\n"); - exit(EXIT_FAILURE); - } else if (ret > 0) { - exit(EXIT_SUCCESS); + cfg = bt_config_create(); + if (!cfg) { + fprintf(stderr, "Failed to create Babeltrace configuration\n"); + ret = 1; + goto end; } - printf_verbose("Verbose mode active.\n"); - printf_debug("Debug mode active.\n"); + ret = set_default_config(cfg); + if (ret) { + goto end; + } + + ret = bt_config_init_from_args(cfg, argc, argv); + if (ret == 0) { + babeltrace_verbose = cfg->verbose; + babeltrace_debug = cfg->debug; + print_cfg(cfg); + } else { + goto end; + } - if (!opt_plugin_path) { - fprintf(stderr, "No plugin path specified, aborting...\n"); + /* TODO handle more than 1 source and 1 sink. */ + if (cfg->sources->len != 1 || cfg->sinks->len != 1) { ret = -1; goto end; } - printf_verbose("Looking-up plugins at %s\n", - opt_plugin_path ? opt_plugin_path : "Invalid"); - component_factory = bt_component_factory_create(); - if (!component_factory) { - fprintf(stderr, "Failed to create component factory.\n"); + + printf_verbose("Verbose mode active.\n"); + printf_debug("Debug mode active.\n"); + + if (load_dynamic_plugins(cfg)) { + fprintf(stderr, "Failed to load dynamic plugins.\n"); ret = -1; goto end; } - ret = bt_component_factory_load(component_factory, opt_plugin_path); - if (ret) { - fprintf(stderr, "Failed to load plugins.\n"); + if (load_static_plugins()) { + fprintf(stderr, "Failed to load static plugins.\n"); goto end; } - print_detected_component_classes(component_factory); + print_component_classes_found(); + source_cfg = bt_config_get_component(cfg->sources, 0); + source_params = bt_get(source_cfg->params); + source_class = find_component_class(source_cfg->plugin_name->str, + source_cfg->component_name->str, + BT_COMPONENT_CLASS_TYPE_SOURCE); + if (!source_class) { + fprintf(stderr, "Could not find %s.%s source component class. Aborting...\n", + source_cfg->plugin_name->str, + source_cfg->component_name->str); + ret = -1; + goto end; + } - sink_class = bt_component_factory_get_component_class(component_factory, - NULL, BT_COMPONENT_TYPE_SINK, "text"); + sink_cfg = bt_config_get_component(cfg->sinks, 0); + sink_params = bt_get(sink_cfg->params); + sink_class = find_component_class(sink_cfg->plugin_name->str, + sink_cfg->component_name->str, + BT_COMPONENT_CLASS_TYPE_SINK); if (!sink_class) { - fprintf(stderr, "Could not find text output component class. Aborting...\n"); + fprintf(stderr, "Could not find %s.%s output component class. Aborting...\n", + sink_cfg->plugin_name->str, + sink_cfg->component_name->str); ret = -1; goto end; } - sink = bt_component_create(sink_class, "bt_text_output", sink_params); + 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; + } + + sink = bt_component_create(sink_class, "sink", sink_params); if (!sink) { - fprintf(stderr, "Failed to instanciate text output. Aborting...\n"); + fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n"); ret = -1; goto end; } - test_sink_notifications(sink); - goto end; + ret = connect_source_sink(source, source_cfg, sink); + if (ret) { + goto end; + } - /* teardown and exit */ + while (true) { + sink_status = bt_component_sink_consume(sink); + switch (sink_status) { + case BT_COMPONENT_STATUS_AGAIN: + /* Wait for an arbitraty 500 ms. */ + usleep(500000); + break; + case BT_COMPONENT_STATUS_OK: + break; + case BT_COMPONENT_STATUS_END: + goto end; + default: + fprintf(stderr, "Sink component returned an error, aborting...\n"); + ret = -1; + goto end; + } + } end: - BT_PUT(component_factory); BT_PUT(sink_class); BT_PUT(source_class); BT_PUT(source); BT_PUT(sink); BT_PUT(source_params); BT_PUT(sink_params); + BT_PUT(cfg); + BT_PUT(sink_cfg); + BT_PUT(source_cfg); + fini_loaded_plugins_array(); return ret ? 1 : 0; }