X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=converter%2Fbabeltrace.c;h=9a5af9fb01efa436dc1f0604de83df2f1a0e886a;hb=5a3ee633fdd379e8acf7535f0ba91fb05234a36a;hp=c53c4800046923a616ef9f6d583fd7753df7b692;hpb=34d9941856a9274398e63f2c2a86300dc157eafd;p=babeltrace.git diff --git a/converter/babeltrace.c b/converter/babeltrace.c index c53c4800..9a5af9fb 100644 --- a/converter/babeltrace.c +++ b/converter/babeltrace.c @@ -26,792 +26,640 @@ * SOFTWARE. */ -#define _GNU_SOURCE -#include #include -#include -#include -#include -#include -#include -/* TODO: fix object model for format-agnostic callbacks */ -#include -#include -#include -#include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include -#include -#include -#include -#include -#include -#include -#include +#include /* for clocks */ +#include #include +#include +#include +#include "babeltrace-cfg.h" +#include "default-cfg.h" -#include /* for clocks */ +GPtrArray *loaded_plugins; -#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */ +static +void init_loaded_plugins_array(void) +{ + loaded_plugins = g_ptr_array_new_full(8, bt_put); +} -#define DEFAULT_FILE_ARRAY_SIZE 1 +static +void fini_loaded_plugins_array(void) +{ + g_ptr_array_free(loaded_plugins, TRUE); +} -#define NET_URL_PREFIX "net://" -#define NET4_URL_PREFIX "net4://" -#define NET6_URL_PREFIX "net6://" +static +struct bt_plugin *find_plugin(const char *name) +{ + int i; + struct bt_plugin *plugin = NULL; -static char *opt_input_format, *opt_output_format; + for (i = 0; i < loaded_plugins->len; i++) { + plugin = g_ptr_array_index(loaded_plugins, i); -/* - * We are not freeing opt_input_paths ipath elements when exiting from - * main() for backward compatibility with libpop 0.13, which does not - * allocate copies for arguments returned by poptGetArg(), and for - * general compatibility with the documented behavior. This is known to - * cause a small memory leak with libpop 0.16. - */ -static GPtrArray *opt_input_paths; -static char *opt_output_path; + if (strcmp(name, bt_plugin_get_name(plugin)) == 0) { + break; + } -static struct bt_format *fmt_read; + plugin = NULL; + } + + return bt_get(plugin); +} static -void strlower(char *str) +struct bt_component_class *find_component_class(const char *plugin_name, + const char *comp_class_name, + enum bt_component_class_type comp_class_type) { - while (*str) { - *str = tolower((int) *str); - str++; + struct bt_component_class *comp_class = NULL; + struct bt_plugin *plugin = find_plugin(plugin_name); + + if (!plugin) { + goto end; } -} -enum { - OPT_NONE = 0, - OPT_OUTPUT_PATH, - OPT_INPUT_FORMAT, - OPT_OUTPUT_FORMAT, - OPT_HELP, - OPT_LIST, - OPT_VERBOSE, - OPT_DEBUG, - OPT_NAMES, - OPT_FIELDS, - OPT_NO_DELTA, - OPT_CLOCK_OFFSET, - OPT_CLOCK_OFFSET_NS, - OPT_CLOCK_CYCLES, - OPT_CLOCK_SECONDS, - OPT_CLOCK_DATE, - OPT_CLOCK_GMT, - OPT_CLOCK_FORCE_CORRELATE, -}; + comp_class = bt_plugin_get_component_class_by_name_and_type(plugin, + comp_class_name, comp_class_type); + BT_PUT(plugin); +end: + return comp_class; +} -/* - * We are _not_ using POPT_ARG_STRING 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 */ - { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL }, - { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL }, - { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL }, - { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, - { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL }, - { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, - { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL }, - { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL }, - { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL }, - { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL }, - { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL }, - { "clock-offset-ns", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL }, - { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL }, - { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL }, - { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL }, - { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL }, - { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL }, - { NULL, 0, 0, NULL, 0, NULL, NULL }, -}; - -static void list_formats(FILE *fp) +static +const char *component_type_str(enum bt_component_class_type type) { - fprintf(fp, "\n"); - bt_fprintf_format_list(fp); + switch (type) { + case BT_COMPONENT_CLASS_TYPE_SOURCE: + return "source"; + case BT_COMPONENT_CLASS_TYPE_SINK: + return "sink"; + case BT_COMPONENT_CLASS_TYPE_FILTER: + return "filter"; + case BT_COMPONENT_CLASS_TYPE_UNKNOWN: + default: + return "unknown"; + } } -static void usage(FILE *fp) +static +void print_component_classes_found(void) { - fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION); - fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n"); - fprintf(fp, "\n"); - fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n"); - fprintf(fp, " (space-separated)\n"); - fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n"); - fprintf(fp, "\n"); - fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n"); - fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n"); - fprintf(fp, "\n"); - fprintf(fp, " -h, --help This help message\n"); - fprintf(fp, " -l, --list List available formats\n"); - fprintf(fp, " -v, --verbose Verbose mode\n"); - fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n"); - fprintf(fp, " -d, --debug Debug mode\n"); - fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n"); - fprintf(fp, " --no-delta Do not print time delta between consecutive events\n"); - fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n"); - fprintf(fp, " (payload OR args OR arg)\n"); - fprintf(fp, " none, all, scope, header, (context OR ctx)\n"); - fprintf(fp, " (default: payload,context)\n"); - fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n"); - fprintf(fp, " all, trace, trace:hostname, trace:domain,\n"); - fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n"); - fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n"); - fprintf(fp, " --clock-cycles Timestamp in cycles\n"); - fprintf(fp, " --clock-offset seconds Clock offset in seconds\n"); - fprintf(fp, " --clock-offset-ns ns Clock offset in nanoseconds\n"); - fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n"); - fprintf(fp, " (default is: [hh:mm:ss.ns])\n"); - fprintf(fp, " --clock-date Print clock date\n"); - fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n"); - fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n"); - fprintf(fp, " across traces.\n"); - list_formats(fp); - fprintf(fp, "\n"); + int plugins_count, component_classes_count = 0, i; + + if (!babeltrace_verbose) { + return; + } + + 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; + } + + 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"); + + 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 int get_names_args(poptContext *pc) +static +void print_indent(size_t indent) { - char *str, *strlist, *strctx; - int ret = 0; + size_t i; - opt_payload_field_names = 0; - opt_context_field_names = 0; - strlist = (char *) poptGetOptArg(*pc); - if (!strlist) { - return -EINVAL; - } - str = strtok_r(strlist, ",", &strctx); - do { - if (!strcmp(str, "all")) - opt_all_field_names = 1; - else if (!strcmp(str, "scope")) - opt_scope_field_names = 1; - else if (!strcmp(str, "context") || !strcmp(str, "ctx")) - opt_context_field_names = 1; - else if (!strcmp(str, "header")) - opt_header_field_names = 1; - else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg")) - opt_payload_field_names = 1; - else if (!strcmp(str, "none")) { - opt_all_field_names = 0; - opt_scope_field_names = 0; - opt_context_field_names = 0; - opt_header_field_names = 0; - opt_payload_field_names = 0; - } else { - fprintf(stderr, "[error] unknown field name type %s\n", str); - ret = -EINVAL; - goto end; - } - } while ((str = strtok_r(NULL, ",", &strctx))); -end: - free(strlist); - return ret; + for (i = 0; i < indent; i++) { + printf_verbose(" "); + } } -static int get_fields_args(poptContext *pc) +static +void print_value(struct bt_value *, size_t, bool); + +static +bool print_map_value(const char *key, struct bt_value *object, void *data) { - char *str, *strlist, *strctx; - int ret = 0; + size_t indent = (size_t) data; - strlist = (char *) poptGetOptArg(*pc); - if (!strlist) { - return -EINVAL; - } - str = strtok_r(strlist, ",", &strctx); - do { - opt_trace_default_fields = 0; - if (!strcmp(str, "all")) - opt_all_fields = 1; - else if (!strcmp(str, "trace")) - opt_trace_field = 1; - else if (!strcmp(str, "trace:hostname")) - opt_trace_hostname_field = 1; - else if (!strcmp(str, "trace:domain")) - opt_trace_domain_field = 1; - else if (!strcmp(str, "trace:procname")) - opt_trace_procname_field = 1; - else if (!strcmp(str, "trace:vpid")) - opt_trace_vpid_field = 1; - else if (!strcmp(str, "loglevel")) - opt_loglevel_field = 1; - else if (!strcmp(str, "emf")) - opt_emf_field = 1; - else if (!strcmp(str, "callsite")) - opt_callsite_field = 1; - else { - fprintf(stderr, "[error] unknown field type %s\n", str); - ret = -EINVAL; - goto end; - } - } while ((str = strtok_r(NULL, ",", &strctx))); -end: - free(strlist); - return ret; + print_indent(indent); + printf_verbose("\"%s\": ", key); + print_value(object, indent, false); + + return 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 +void print_value(struct bt_value *value, size_t indent, bool do_indent) { - poptContext pc; - int opt, ret = 0; - const char *ipath; + bool bool_val; + int64_t int_val; + double dbl_val; + const char *str_val; + int size; + int i; - if (argc == 1) { - usage(stdout); - return 1; /* exit cleanly */ + if (!value) { + return; } - pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); - poptReadDefaultConfig(pc, 0); - - /* set default */ - opt_context_field_names = 1; - opt_payload_field_names = 1; + if (do_indent) { + print_indent(indent); + } - while ((opt = poptGetNextOpt(pc)) != -1) { - switch (opt) { - case OPT_OUTPUT_PATH: - opt_output_path = (char *) poptGetOptArg(pc); - if (!opt_output_path) { - ret = -EINVAL; - goto end; - } - break; - case OPT_INPUT_FORMAT: - opt_input_format = (char *) poptGetOptArg(pc); - if (!opt_input_format) { - ret = -EINVAL; - goto end; - } - break; - case OPT_OUTPUT_FORMAT: - opt_output_format = (char *) poptGetOptArg(pc); - if (!opt_output_format) { - ret = -EINVAL; - goto end; - } - break; - case OPT_HELP: - usage(stdout); - ret = 1; /* exit cleanly */ - goto end; - case OPT_LIST: - list_formats(stdout); - ret = 1; - goto end; - case OPT_VERBOSE: - babeltrace_verbose = 1; - break; - case OPT_NAMES: - if (get_names_args(&pc)) { - ret = -EINVAL; - goto end; - } - break; - case OPT_FIELDS: - if (get_fields_args(&pc)) { - ret = -EINVAL; - goto end; - } - break; - case OPT_DEBUG: - babeltrace_debug = 1; - break; - case OPT_NO_DELTA: - opt_delta_field = 0; - break; - case OPT_CLOCK_CYCLES: - opt_clock_cycles = 1; - break; - case OPT_CLOCK_OFFSET: - { - char *str; - char *endptr; - - str = (char *) poptGetOptArg(pc); - if (!str) { - fprintf(stderr, "[error] Missing --clock-offset argument\n"); - ret = -EINVAL; - goto end; - } - errno = 0; - opt_clock_offset = strtoull(str, &endptr, 0); - if (*endptr != '\0' || str == endptr || errno != 0) { - fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str); - ret = -EINVAL; - free(str); - goto end; - } - free(str); - break; + 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); } - case OPT_CLOCK_SECONDS: - opt_clock_seconds = 1; - break; - case OPT_CLOCK_OFFSET_NS: - { - char *str; - char *endptr; - - str = (char *) poptGetOptArg(pc); - if (!str) { - fprintf(stderr, "[error] Missing --clock-offset-ns argument\n"); - ret = -EINVAL; - goto end; - } - errno = 0; - opt_clock_offset_ns = strtoull(str, &endptr, 0); - if (*endptr != '\0' || str == endptr || errno != 0) { - fprintf(stderr, "[error] Incorrect --clock-offset-ns argument: %s\n", str); - ret = -EINVAL; - free(str); - goto end; - } - free(str); - break; - } - - case OPT_CLOCK_DATE: - opt_clock_date = 1; - break; - case OPT_CLOCK_GMT: - opt_clock_gmt = 1; - break; - case OPT_CLOCK_FORCE_CORRELATE: - opt_clock_force_correlate = 1; - break; - default: - ret = -EINVAL; - goto end; + print_indent(indent); + printf_verbose("]\n"); + break; + case BT_VALUE_TYPE_MAP: + if (bt_value_map_is_empty(value)) { + printf_verbose("{}\n"); + return; } - } - do { - ipath = poptGetArg(pc); - if (ipath) - g_ptr_array_add(opt_input_paths, (gpointer) ipath); - } while (ipath); - if (opt_input_paths->len == 0) { - ret = -EINVAL; - goto end; + printf_verbose("{\n"); + bt_value_map_foreach(value, print_map_value, + (void *) (indent + 2)); + print_indent(indent); + printf_verbose("}\n"); + break; + default: + assert(false); } +} -end: - if (pc) { - poptFreeContext(pc); +static +void print_bt_config_component(struct bt_config_component *bt_config_component) +{ + 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); +} + +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); } - return ret; } -static GPtrArray *traversed_paths = 0; +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); +} -/* - * traverse_trace_dir() is the callback function for File Tree Walk (nftw). - * it receives the path of the current entry (file, dir, link..etc) with - * a flag to indicate the type of the entry. - * if the entry being visited is a directory and contains a metadata file, - * then add the path to a global list to be processed later in - * add_traces_recursive. - */ -static int traverse_trace_dir(const char *fpath, const struct stat *sb, - int tflag, struct FTW *ftwbuf) +static +struct bt_component *create_trimmer(struct bt_config_component *source_cfg) { - int dirfd, metafd; - int closeret; - - if (tflag != FTW_D) - return 0; - - dirfd = open(fpath, 0); - if (dirfd < 0) { - fprintf(stderr, "[error] [Context] Unable to open trace " - "directory file descriptor.\n"); - return 0; /* partial error */ - } - metafd = openat(dirfd, "metadata", O_RDONLY); - if (metafd < 0) { - closeret = close(dirfd); - if (closeret < 0) { - perror("close"); - return -1; - } - /* No meta data, just return */ - return 0; - } else { - int err_close = 0; + struct bt_component *trimmer = NULL; + struct bt_component_class *trimmer_class = NULL; + struct bt_value *trimmer_params = NULL; + struct bt_value *value; - closeret = close(metafd); - if (closeret < 0) { - perror("close"); - err_close = 1; - } - closeret = close(dirfd); - if (closeret < 0) { - perror("close"); - err_close = 1; + 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; } - if (err_close) { - return -1; + } + 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; - /* Add path to the global list */ - if (traversed_paths == NULL) { - fprintf(stderr, "[error] [Context] Invalid open path array.\n"); - return -1; + ret = bt_value_map_insert(trimmer_params, "clock-gmt", + value); + BT_PUT(value); + if (ret) { + goto end; } - g_ptr_array_add(traversed_paths, g_string_new(fpath)); } - return 0; + 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; } -/* - * bt_context_add_traces_recursive: Open a trace recursively - * - * Find each trace present in the subdirectory starting from the given - * path, and add them to the context. The packet_seek parameter can be - * NULL: this specify to use the default format packet_seek. - * - * Return: 0 on success, < 0 on failure, > 0 on partial failure. - * Unable to open toplevel: failure. - * Unable to open some subdirectory or file: warn and continue (partial - * failure); - */ -int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, - const char *format_str, - void (*packet_seek)(struct bt_stream_pos *pos, - size_t offset, int whence)) +static +int connect_source_sink(struct bt_component *source, + struct bt_config_component *source_cfg, + struct bt_component *sink) { - int ret = 0, trace_ids = 0; - - if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 || - (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 || - (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) { - ret = bt_context_add_trace(ctx, - path, format_str, packet_seek, NULL, NULL); - if (ret < 0) { - fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" " - "for reading.\n", path); - /* Allow to skip erroneous traces. */ - ret = 1; /* partial error */ - } - return ret; - } - /* Should lock traversed_paths mutex here if used in multithread */ - - traversed_paths = g_ptr_array_new(); - ret = nftw(path, traverse_trace_dir, 10, 0); - - /* Process the array if ntfw did not return a fatal error */ - if (ret >= 0) { - int i; - - for (i = 0; i < traversed_paths->len; i++) { - GString *trace_path = g_ptr_array_index(traversed_paths, - i); - int trace_id = bt_context_add_trace(ctx, - trace_path->str, - format_str, - packet_seek, - NULL, - NULL); - if (trace_id < 0) { - fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s " - "for reading.\n", trace_path->str, path); - /* Allow to skip erroneous traces. */ - ret = 1; /* partial error */ - } else { - trace_ids++; - } - g_string_free(trace_path, TRUE); + 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; } - } - g_ptr_array_free(traversed_paths, TRUE); - traversed_paths = NULL; + 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; + } - /* Should unlock traversed paths mutex here if used in multithread */ + 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); + } - /* - * Return an error if no trace can be opened. - */ - if (trace_ids == 0) { - fprintf(stderr, "[error] Cannot open any trace for reading.\n\n"); - ret = -ENOENT; /* failure */ + 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 -int trace_pre_handler(struct bt_trace_descriptor *td_write, - struct bt_context *ctx) +void add_to_loaded_plugins(struct bt_plugin **plugins) { - struct ctf_text_stream_pos *sout; - struct trace_collection *tc; - int ret, i; - - sout = container_of(td_write, struct ctf_text_stream_pos, - trace_descriptor); - - if (!sout->parent.pre_trace_cb) - return 0; - - tc = ctx->tc; - for (i = 0; i < tc->array->len; i++) { - struct bt_trace_descriptor *td = - g_ptr_array_index(tc->array, i); - - ret = sout->parent.pre_trace_cb(&sout->parent, td); - if (ret) { - fprintf(stderr, "[error] Writing to trace pre handler failed.\n"); - goto end; + 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; } - ret = 0; -end: - return ret; } static -int trace_post_handler(struct bt_trace_descriptor *td_write, - struct bt_context *ctx) +int load_dynamic_plugins(struct bt_config *cfg) { - struct ctf_text_stream_pos *sout; - struct trace_collection *tc; - int ret, i; + int nr_paths, i, ret = 0; - sout = container_of(td_write, struct ctf_text_stream_pos, - trace_descriptor); + nr_paths = bt_value_array_size(cfg->plugin_paths); + if (nr_paths < 0) { + ret = -1; + goto end; + } - if (!sout->parent.post_trace_cb) - return 0; + for (i = 0; i < nr_paths; i++) { + struct bt_value *plugin_path_value = NULL; + const char *plugin_path; + struct bt_plugin **plugins; - tc = ctx->tc; - for (i = 0; i < tc->array->len; i++) { - struct bt_trace_descriptor *td = - g_ptr_array_index(tc->array, i); + 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; + } - ret = sout->parent.post_trace_cb(&sout->parent, td); - if (ret) { - fprintf(stderr, "[error] Writing to trace post handler failed.\n"); - goto end; + 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); } - ret = 0; end: return ret; } static -int convert_trace(struct bt_trace_descriptor *td_write, - struct bt_context *ctx) +int load_static_plugins(void) { - struct bt_ctf_iter *iter; - struct ctf_text_stream_pos *sout; - struct bt_iter_pos begin_pos; - struct bt_ctf_event *ctf_event; - int ret; - - sout = container_of(td_write, struct ctf_text_stream_pos, - trace_descriptor); - - if (!sout->parent.event_cb) - return 0; + int ret = 0; + struct bt_plugin **plugins; - begin_pos.type = BT_SEEK_BEGIN; - iter = bt_ctf_iter_create(ctx, &begin_pos, NULL); - if (!iter) { + plugins = bt_plugin_create_all_from_static(); + if (!plugins) { + printf_debug("Unable to load static plugins.\n"); ret = -1; - goto error_iter; - } - while ((ctf_event = bt_ctf_iter_read_event(iter))) { - ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream); - if (ret) { - fprintf(stderr, "[error] Writing event failed.\n"); - goto end; - } - ret = bt_iter_next(bt_ctf_get_iter(iter)); - if (ret < 0) - goto end; + goto end; } - ret = 0; + add_to_loaded_plugins(plugins); + free(plugins); end: - bt_ctf_iter_destroy(iter); -error_iter: return ret; } -int main(int argc, char **argv) +int main(int argc, const char **argv) { - int ret, partial_error = 0, open_success = 0; - struct bt_format *fmt_write; - struct bt_trace_descriptor *td_write; - struct bt_context *ctx; - int i; + int ret; + 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(); + + cfg = bt_config_create(); + if (!cfg) { + fprintf(stderr, "Failed to create Babeltrace configuration\n"); + ret = 1; + goto end; + } + + ret = set_default_config(cfg); + if (ret) { + goto end; + } - opt_input_paths = g_ptr_array_new(); + 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; + } - ret = parse_options(argc, argv); - if (ret < 0) { - fprintf(stderr, "Error parsing options.\n\n"); - usage(stderr); - g_ptr_array_free(opt_input_paths, TRUE); - exit(EXIT_FAILURE); - } else if (ret > 0) { - g_ptr_array_free(opt_input_paths, TRUE); - exit(EXIT_SUCCESS); + /* TODO handle more than 1 source and 1 sink. */ + if (cfg->sources->len != 1 || cfg->sinks->len != 1) { + ret = -1; + goto end; } + printf_verbose("Verbose mode active.\n"); printf_debug("Debug mode active.\n"); - if (opt_input_format) - strlower(opt_input_format); - if (opt_output_format) - strlower(opt_output_format); - - printf_verbose("Converting from directory(ies):\n"); - for (i = 0; i < opt_input_paths->len; i++) { - const char *ipath = g_ptr_array_index(opt_input_paths, i); - printf_verbose(" %s\n", ipath); - } - printf_verbose("Converting from format: %s\n", - opt_input_format ? : "ctf "); - printf_verbose("Converting to target: %s\n", - opt_output_path ? : ""); - printf_verbose("Converting to format: %s\n", - opt_output_format ? : "text "); - - if (!opt_input_format) { - opt_input_format = strdup("ctf"); - if (!opt_input_format) { - partial_error = 1; - goto end; - } - } - if (!opt_output_format) { - opt_output_format = strdup("text"); - if (!opt_output_format) { - partial_error = 1; - goto end; - } - } - fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format)); - if (!fmt_read) { - fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n", - opt_input_format); - partial_error = 1; + if (load_dynamic_plugins(cfg)) { + fprintf(stderr, "Failed to load dynamic plugins.\n"); + ret = -1; goto end; } - fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format)); - if (!fmt_write) { - fprintf(stderr, "[error] format \"%s\" is not supported.\n\n", - opt_output_format); - partial_error = 1; + + if (load_static_plugins()) { + fprintf(stderr, "Failed to load static plugins.\n"); goto end; } - ctx = bt_context_create(); - if (!ctx) { - goto error_td_read; + 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; } - for (i = 0; i < opt_input_paths->len; i++) { - const char *ipath = g_ptr_array_index(opt_input_paths, i); - ret = bt_context_add_traces_recursive(ctx, ipath, - opt_input_format, NULL); - if (ret < 0) { - fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n", - ipath); - } else if (ret > 0) { - fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n", - ipath); - open_success = 1; /* some traces were OK */ - partial_error = 1; - } else { - open_success = 1; /* all traces were OK */ - } - } - if (!open_success) { - fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n"); - goto error_td_read; + 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 %s.%s output component class. Aborting...\n", + sink_cfg->plugin_name->str, + sink_cfg->component_name->str); + ret = -1; + goto end; } - td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL); - if (!td_write) { - fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n", - opt_output_path ? : ""); - goto error_td_write; - } + 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; + } - /* - * Errors happened when opening traces, but we continue anyway. - * sleep to let user see the stderr output before stdout. - */ - if (partial_error) - sleep(PARTIAL_ERROR_SLEEP); + 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; + } - ret = trace_pre_handler(td_write, ctx); + ret = connect_source_sink(source, source_cfg, sink); if (ret) { - fprintf(stderr, "Error in trace pre handle.\n\n"); - goto error_copy_trace; + goto end; } - /* For now, we support only CTF iterators */ - if (fmt_read->name == g_quark_from_static_string("ctf")) { - ret = convert_trace(td_write, ctx); - if (ret) { - fprintf(stderr, "Error printing trace.\n\n"); - goto error_copy_trace; + 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; } } - - ret = trace_post_handler(td_write, ctx); - if (ret) { - fprintf(stderr, "Error in trace post handle.\n\n"); - goto error_copy_trace; - } - - fmt_write->close_trace(td_write); - - bt_context_put(ctx); - printf_verbose("finished converting. Output written to:\n%s\n", - opt_output_path ? : ""); - goto end; - - /* Error handling */ -error_copy_trace: - fmt_write->close_trace(td_write); -error_td_write: - bt_context_put(ctx); -error_td_read: - partial_error = 1; - - /* teardown and exit */ end: - free(opt_input_format); - free(opt_output_format); - free(opt_output_path); - g_ptr_array_free(opt_input_paths, TRUE); - if (partial_error) - exit(EXIT_FAILURE); - else - exit(EXIT_SUCCESS); + 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; }