*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
-#define _GNU_SOURCE
-#include <config.h>
#include <babeltrace/babeltrace.h>
-#include <babeltrace/format.h>
-#include <babeltrace/context.h>
-#include <babeltrace/ctf/types.h>
-#include <babeltrace/ctf/events.h>
-/* TODO: fix object model for format-agnostic callbacks */
-#include <babeltrace/ctf/events-internal.h>
-#include <babeltrace/ctf/iterator.h>
-#include <babeltrace/ctf-text/types.h>
-#include <babeltrace/iterator.h>
-#include <popt.h>
-#include <errno.h>
+#include <babeltrace/plugin/component-factory.h>
+#include <babeltrace/plugin/plugin.h>
+#include <babeltrace/plugin/component-class.h>
+#include <babeltrace/plugin/notification/iterator.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/values.h>
#include <stdlib.h>
-#include <ctype.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <ftw.h>
-#include <string.h>
-
#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
+#include <popt.h>
+#include <string.h>
+#include <stdio.h>
+#include "babeltrace-cfg.h"
-#define DEFAULT_FILE_ARRAY_SIZE 1
-static char *opt_input_format, *opt_output_format;
-/* Pointer into const argv */
-static const char *opt_input_format_arg, *opt_output_format_arg;
-
-static const char *opt_input_path;
-static const char *opt_output_path;
-
-static struct format *fmt_read;
+static struct bt_component_factory *component_factory;
static
-void strlower(char *str)
+const char *component_type_str(enum bt_component_type type)
{
- while (*str) {
- *str = tolower((int) *str);
- str++;
+ switch (type) {
+ case BT_COMPONENT_TYPE_SOURCE:
+ return "source";
+ case BT_COMPONENT_TYPE_SINK:
+ return "sink";
+ case BT_COMPONENT_TYPE_FILTER:
+ return "filter";
+ case BT_COMPONENT_TYPE_UNKNOWN:
+ default:
+ return "unknown";
}
}
-enum {
- OPT_NONE = 0,
- OPT_HELP,
- OPT_LIST,
- OPT_VERBOSE,
- OPT_DEBUG,
- OPT_NAMES,
- OPT_FIELDS,
- OPT_NO_DELTA,
- OPT_CLOCK_OFFSET,
- OPT_CLOCK_CYCLES,
- OPT_CLOCK_SECONDS,
- OPT_CLOCK_DATE,
- OPT_CLOCK_GMT,
- OPT_CLOCK_FORCE_CORRELATE,
-};
-
-static struct poptOption long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "input-format", 'i', POPT_ARG_STRING, &opt_input_format_arg, OPT_NONE, NULL, NULL },
- { "output-format", 'o', POPT_ARG_STRING, &opt_output_format_arg, OPT_NONE, 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-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
+void print_component_classes_found(struct bt_component_factory *factory)
{
- fprintf(fp, "\n");
- bt_fprintf_format_list(fp);
-}
+ int count, i;
-static void usage(FILE *fp)
-{
- fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
- fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
- fprintf(fp, "\n");
- fprintf(fp, " INPUT Input trace path\n");
- fprintf(fp, " 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:domain, trace:procname,\n");
- fprintf(fp, " trace:vpid, loglevel.\n");
- fprintf(fp, " --clock-cycles Timestamp in cycles\n");
- fprintf(fp, " --clock-offset seconds Clock offset in seconds\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");
+ 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.\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 ? 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);
+ }
}
-static int get_names_args(poptContext *pc)
+static
+void print_indent(size_t indent)
{
- char *str, *strlist, *strctx;
+ size_t i;
- opt_payload_field_names = 0;
- opt_context_field_names = 0;
- strlist = (char *) poptGetOptArg(*pc);
- if (!strlist) {
- return -EINVAL;
+ for (i = 0; i < indent; i++) {
+ printf(" ");
}
- 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);
- return -EINVAL;
- }
- } while ((str = strtok_r(NULL, ",", &strctx)));
- return 0;
}
-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;
+ size_t indent = (size_t) data;
- strlist = (char *) poptGetOptArg(*pc);
- if (!strlist) {
- return -EINVAL;
- }
- str = strtok_r(strlist, ",", &strctx);
- do {
- if (!strcmp(str, "all"))
- opt_all_fields = 1;
- else if (!strcmp(str, "trace"))
- opt_trace_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 {
- fprintf(stderr, "[error] unknown field type %s\n", str);
- return -EINVAL;
- }
- } while ((str = strtok_r(NULL, ",", &strctx)));
- return 0;
+ print_indent(indent);
+ printf("\"%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;
+ 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_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:
- {
- const char *str;
- char *endptr;
-
- str = 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;
- goto end;
- }
- break;
+ switch (bt_value_get_type(value)) {
+ case BT_VALUE_TYPE_NULL:
+ printf("null\n");
+ break;
+ case BT_VALUE_TYPE_BOOL:
+ bt_value_bool_get(value, &bool_val);
+ printf("%s\n", bool_val ? "true" : "false");
+ break;
+ case BT_VALUE_TYPE_INTEGER:
+ bt_value_integer_get(value, &int_val);
+ printf("%" PRId64 "\n", int_val);
+ break;
+ case BT_VALUE_TYPE_FLOAT:
+ bt_value_float_get(value, &dbl_val);
+ printf("%lf\n", dbl_val);
+ break;
+ case BT_VALUE_TYPE_STRING:
+ bt_value_string_get(value, &str_val);
+ printf("\"%s\"\n", str_val);
+ break;
+ case BT_VALUE_TYPE_ARRAY:
+ size = bt_value_array_size(value);
+ printf("[\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_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("]\n");
+ break;
+ case BT_VALUE_TYPE_MAP:
+ if (bt_value_map_is_empty(value)) {
+ printf("{}\n");
+ return;
}
+
+ printf("{\n");
+ bt_value_map_foreach(value, print_map_value,
+ (void *) (indent + 2));
+ print_indent(indent);
+ printf("}\n");
+ break;
+ default:
+ assert(false);
}
+}
- opt_input_path = poptGetArg(pc);
- if (!opt_input_path) {
- ret = -EINVAL;
- goto end;
+static
+void print_bt_config_component(struct bt_config_component *bt_config_component)
+{
+ printf(" %s.%s\n", bt_config_component->plugin_name->str,
+ bt_config_component->component_name->str);
+ printf(" begin timestamp: ");
+
+ if (!bt_config_component->begin.set) {
+ printf("not set\n");
+ } else {
+ printf("%" PRIu64 " ns\n", bt_config_component->begin.value_ns);
}
- opt_output_path = poptGetArg(pc);
-end:
- if (pc) {
- poptFreeContext(pc);
+ printf(" end timestamp: ");
+
+ if (!bt_config_component->end.set) {
+ printf("not set\n");
+ } else {
+ printf("%" PRIu64 " ns\n", bt_config_component->end.value_ns);
}
- return ret;
+
+ printf(" params:\n");
+ print_value(bt_config_component->params, 6, true);
}
-static GPtrArray *traversed_paths = 0;
+static
+void print_bt_config_components(GPtrArray *array)
+{
+ size_t i;
-/*
- * 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)
+ 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)
{
- int dirfd, metafd;
- int closeret;
+ printf("debug: %d\n", cfg->debug);
+ printf("verbose: %d\n", cfg->verbose);
+ printf("do list: %d\n", cfg->do_list);
+ printf("force correlate: %d\n", cfg->force_correlate);
+ printf("plugin paths:\n");
+ print_value(cfg->plugin_paths, 2, true);
+ printf("sources:\n");
+ print_bt_config_components(cfg->sources);
+ printf("sinks:\n");
+ print_bt_config_components(cfg->sinks);
+}
- if (tflag != FTW_D)
- return 0;
+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;
- dirfd = open(fpath, 0);
- if (dirfd < 0) {
- fprintf(stderr, "[error] [Context] Unable to open trace "
- "directory file descriptor.\n");
- return 0; /* partial error */
+ assert(component_factory);
+ trimmer_params = bt_value_map_create();
+ if (!trimmer_params) {
+ goto end;
}
- 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 {
- closeret = close(metafd);
- if (closeret < 0) {
- perror("close");
- return -1; /* failure */
- }
- closeret = close(dirfd);
- if (closeret < 0) {
- perror("close");
- return -1; /* failure */
+
+ if (source_cfg->begin.set) {
+ enum bt_value_status ret;
+ struct bt_value *value;
+
+ value = bt_value_integer_create_init(
+ source_cfg->begin.value_ns);
+ if (!value) {
+ goto end;
}
- /* 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, "begin_ns_epoch",
+ value);
+ BT_PUT(value);
+ if (ret) {
+ goto end;
}
- g_ptr_array_add(traversed_paths, g_string_new(fpath));
}
+ if (source_cfg->end.set) {
+ enum bt_value_status ret;
+ struct bt_value *value;
- return 0;
-}
-/*
- * 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 stream_pos *pos,
- size_t offset, int whence))
-{
-
- GArray *trace_ids;
- int ret = 0;
- int i;
+ value = bt_value_integer_create_init(
+ source_cfg->end.value_ns);
+ if (!value) {
+ goto end;
+ }
- /* Should lock traversed_paths mutex here if used in multithread */
-
- traversed_paths = g_ptr_array_new();
- trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
-
- ret = nftw(path, traverse_trace_dir, 10, 0);
-
- /* Process the array if ntfw did not return a fatal error */
- if (ret >= 0) {
- 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 {
- g_array_append_val(trace_ids, trace_id);
- }
- g_string_free(trace_path, TRUE);
+ ret = bt_value_map_insert(trimmer_params, "end_ns_epoch",
+ value);
+ BT_PUT(value);
+ if (ret) {
+ goto end;
}
}
- g_ptr_array_free(traversed_paths, TRUE);
- traversed_paths = NULL;
-
- /* Should unlock traversed paths mutex here if used in multithread */
- /*
- * Return an error if no trace can be opened.
- */
- if (trace_ids->len == 0) {
- fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
- ret = -ENOENT; /* failure */
+ trimmer_class = bt_component_factory_get_component_class(
+ component_factory, "utils", BT_COMPONENT_TYPE_FILTER,
+ "trimmer");
+ if (!trimmer_class) {
+ fprintf(stderr, "Could not find trimmer component class. Aborting...\n");
+ goto end;
}
- g_array_free(trace_ids, TRUE);
- return ret;
+ 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;
}
-int convert_trace(struct trace_descriptor *td_write,
- struct bt_context *ctx)
+static
+int connect_source_sink(struct bt_component *source,
+ struct bt_config_component *source_cfg,
+ struct bt_component *sink)
{
- 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);
+ 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_iterator(source);
+ if (!source_it) {
+ fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ if (source_cfg->begin.set || source_cfg->begin.set) {
+ /* 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;
+ }
- begin_pos.type = BT_SEEK_BEGIN;
- iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
- if (!iter) {
- 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");
+ 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;
}
- ret = bt_iter_next(bt_ctf_get_iter(iter));
- if (ret < 0)
+
+ to_sink_it = bt_component_filter_create_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);
}
- ret = 0;
+ 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_ctf_iter_destroy(iter);
-error_iter:
+ bt_put(trimmer);
+ bt_put(source_it);
+ bt_put(to_sink_it);
return ret;
}
int main(int argc, char **argv)
{
- int ret, partial_error = 0;
- struct format *fmt_write;
- struct trace_descriptor *td_write;
- struct bt_context *ctx;
-
- ret = parse_options(argc, argv);
- if (ret < 0) {
- fprintf(stderr, "Error parsing options.\n\n");
- usage(stderr);
- exit(EXIT_FAILURE);
- } else if (ret > 0) {
- exit(EXIT_SUCCESS);
+ 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_value *first_plugin_path_value = NULL;
+ const char *first_plugin_path;
+ struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
+
+ cfg = bt_config_from_args(argc, argv, &ret);
+ if (cfg) {
+ print_cfg(cfg);
+ } else {
+ goto end;
}
- printf_verbose("Verbose mode active.\n");
- printf_debug("Debug mode active.\n");
- if (opt_input_format_arg) {
- opt_input_format = strdup(opt_input_format_arg);
- if (!opt_input_format) {
- partial_error = 1;
- goto end;
- }
- strlower(opt_input_format);
- }
- if (opt_output_format_arg) {
- opt_output_format = strdup(opt_output_format_arg);
- if (!opt_output_format) {
- partial_error = 1;
- goto end;
- }
- strlower(opt_output_format);
+ babeltrace_verbose = cfg->verbose;
+ babeltrace_debug = cfg->debug;
+
+ /* TODO handle more than 1 source and 1 sink. */
+ if (cfg->sources->len != 1 || cfg->sinks->len != 1) {
+ fprintf(stderr, "Unexpected configuration, aborting...\n");
+ ret = -1;
+ goto end;
}
- printf_verbose("Converting from directory: %s\n", opt_input_path);
- printf_verbose("Converting from format: %s\n",
- opt_input_format ? : "ctf <default>");
- printf_verbose("Converting to directory: %s\n",
- opt_output_path ? : "<stdout>");
- printf_verbose("Converting to format: %s\n",
- opt_output_format ? : "text <default>");
-
- if (!opt_input_format) {
- opt_input_format = strdup("ctf");
- if (!opt_input_format) {
- partial_error = 1;
- goto end;
- }
+ printf_verbose("Verbose mode active.\n");
+ printf_debug("Debug mode active.\n");
+ component_factory = bt_component_factory_create();
+ if (!component_factory) {
+ fprintf(stderr, "Failed to create component factory.\n");
+ ret = -1;
+ goto end;
}
- if (!opt_output_format) {
- opt_output_format = strdup("text");
- if (!opt_output_format) {
- partial_error = 1;
+
+ if (cfg->plugin_paths && !bt_value_array_is_empty(cfg->plugin_paths)) {
+ first_plugin_path_value = bt_value_array_get(
+ cfg->plugin_paths, 0);
+ bt_value_string_get(first_plugin_path_value,
+ &first_plugin_path);
+ ret = bt_component_factory_load_recursive(component_factory,
+ first_plugin_path);
+ if (ret) {
+ fprintf(stderr, "Failed to dynamically load plugins.\n");
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;
+
+ ret = bt_component_factory_load_static(component_factory);
+ if (ret) {
+ fprintf(stderr, "Failed to load static plugins.\n");
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;
+
+ print_component_classes_found(component_factory);
+
+ source_cfg = bt_config_get_component(cfg->sources, 0);
+ source_params = bt_get(source_cfg->params);
+ source_class = bt_component_factory_get_component_class(
+ component_factory, source_cfg->plugin_name->str,
+ BT_COMPONENT_TYPE_SOURCE,
+ source_cfg->component_name->str);
+ 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;
}
- ctx = bt_context_create();
- if (!ctx) {
- goto error_td_read;
+ sink_cfg = bt_config_get_component(cfg->sinks, 0);
+ sink_params = bt_get(sink_cfg->params);
+ sink_class = bt_component_factory_get_component_class(component_factory,
+ sink_cfg->plugin_name->str, BT_COMPONENT_TYPE_SINK,
+ sink_cfg->component_name->str);
+ 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;
}
- ret = bt_context_add_traces_recursive(ctx, opt_input_path,
- opt_input_format, NULL);
- if (ret < 0) {
- fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
- opt_input_path);
- goto error_td_read;
- } else if (ret > 0) {
- fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
- opt_input_path);
- partial_error = 1;
- }
+ 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;
+ }
- 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 ? : "<none>");
- goto error_td_write;
+ 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 = convert_trace(td_write, ctx);
+ ret = connect_source_sink(source, source_cfg, sink);
if (ret) {
- fprintf(stderr, "Error printing trace.\n\n");
- goto error_copy_trace;
+ goto end;
}
- fmt_write->close_trace(td_write);
-
- bt_context_put(ctx);
- printf_verbose("finished converting. Output written to:\n%s\n",
- opt_output_path ? : "<stdout>");
- 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 */
+ 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:
- free(opt_input_format);
- free(opt_output_format);
- if (partial_error)
- exit(EXIT_FAILURE);
- else
- exit(EXIT_SUCCESS);
+ 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(first_plugin_path_value);
+ BT_PUT(sink_cfg);
+ BT_PUT(source_cfg);
+ return ret ? 1 : 0;
}