X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=converter%2Fbabeltrace.c;h=384b02f9f228fd98634f3a60b927b91612cc40cc;hb=685ee0054ac30d3682a6b8b09fa2995bf35a9fe3;hp=fd6586a5a1e020eb80d168ef19b689f9db987dcd;hpb=03798a93f959f6c694fe98f5647481947607c604;p=babeltrace.git

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index fd6586a5..384b02f9 100644
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -16,199 +16,55 @@
  *
  * 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/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 <fts.h>
-#include <string.h>
-
 #include <babeltrace/ctf-ir/metadata.h>	/* for clocks */
+#include <popt.h>
+#include <string.h>
+#include <stdio.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
-void strlower(char *str)
-{
-	while (*str) {
-		*str = tolower((int) *str);
-		str++;
-	}
-}
+static char *opt_plugin_path;
 
 enum {
 	OPT_NONE = 0,
-	OPT_HELP,
-	OPT_LIST,
+	OPT_PLUGIN_PATH,
 	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,
+	OPT_HELP,
 };
 
+/*
+ * 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 */
-	{ "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 },
+	{ "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 },
-	{ "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)
-{
-	fprintf(fp, "\n");
-	bt_fprintf_format_list(fp);
-}
-
-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");
-}
-
-static int get_names_args(poptContext *pc)
-{
-	char *str, *strlist, *strctx;
-
-	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);
-			return -EINVAL;
-		}
-	} while ((str = strtok_r(NULL, ",", &strctx)));
-	return 0;
-}
-
-static int get_fields_args(poptContext *pc)
-{
-	char *str, *strlist, *strctx;
-
-	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;
-}
-
 /*
  * Return 0 if caller should continue, < 0 if caller should return
  * error, > 0 if caller should exit without reporting error.
@@ -219,7 +75,6 @@ static int parse_options(int argc, char **argv)
 	int opt, ret = 0;
 
 	if (argc == 1) {
-		usage(stdout);
 		return 1;	/* exit cleanly */
 	}
 
@@ -233,83 +88,27 @@ static int parse_options(int argc, char **argv)
 	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)) {
+		case OPT_PLUGIN_PATH:
+			opt_plugin_path = (char *) poptGetOptArg(pc);
+			if (!opt_plugin_path) {
 				ret = -EINVAL;
 				goto end;
-			}
+			}			;
 			break;
-		case OPT_FIELDS:
-			if (get_fields_args(&pc)) {
-				ret = -EINVAL;
-				goto end;
-			}
+		case OPT_VERBOSE:
+			babeltrace_verbose = 1;
 			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;
-		}
-		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;
 		}
 	}
 
-	opt_input_path = poptGetArg(pc);
-	if (!opt_input_path) {
-		ret = -EINVAL;
-		goto end;
-	}
-	opt_output_path = poptGetArg(pc);
-
 end:
 	if (pc) {
 		poptFreeContext(pc);
@@ -317,270 +116,146 @@ end:
 	return ret;
 }
 
-
-/*
- * 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))
+static
+const char *component_type_str(enum bt_component_type type)
 {
-	FTS *tree;
-	FTSENT *node;
-	GArray *trace_ids;
-	char lpath[PATH_MAX];
-	char * const paths[2] = { lpath, NULL };
-	int ret = 0;
-
-	/*
-	 * Need to copy path, because fts_open can change it.
-	 * It is the pointer array, not the strings, that are constant.
-	 */
-	strncpy(lpath, path, PATH_MAX);
-	lpath[PATH_MAX - 1] = '\0';
-
-	tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0);
-	if (tree == NULL) {
-		fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n",
-				path);
-		return -EINVAL;
+	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";
 	}
+}
 
-	trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
-
-	while ((node = fts_read(tree))) {
-		int dirfd, metafd;
-		int closeret;
-
-		if (!(node->fts_info & FTS_D))
-			continue;
-
-		dirfd = open(node->fts_accpath, 0);
-		if (dirfd < 0) {
-			fprintf(stderr, "[error] [Context] Unable to open trace "
-				"directory file descriptor.\n");
-			ret = 1;	/* partial error */
-			goto error;
-		}
-		metafd = openat(dirfd, "metadata", O_RDONLY);
-		if (metafd < 0) {
-			closeret = close(dirfd);
-			if (closeret < 0) {
-				perror("close");
-				ret = -1;	/* failure */
-				goto error;
-			}
-			continue;
-		} else {
-			int trace_id;
+static
+void print_detected_component_classes(struct bt_component_factory *factory)
+{
+	int count, i;
 
-			closeret = close(metafd);
-			if (closeret < 0) {
-				perror("close");
-				ret = -1;	/* failure */
-				goto error;
-			}
-			closeret = close(dirfd);
-			if (closeret < 0) {
-				perror("close");
-				ret = -1;	/* failure */
-				goto error;
-			}
+	if (!babeltrace_verbose) {
+		return;
+	}
 
-			trace_id = bt_context_add_trace(ctx,
-				node->fts_accpath, format_str,
-				packet_seek, NULL, NULL);
-			if (trace_id < 0) {
-				fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s "
-					"for reading.\n", node->fts_accpath, path);
-				/* Allow to skip erroneous traces. */
-				ret = 1;	/* partial error */
-				continue;
-			}
-			g_array_append_val(trace_ids, trace_id);
-		}
+	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.");
+		return;
 	}
 
-error:
-	/*
-	 * 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 */
+	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",
+				plugin_description ? plugin_description : "None");
+		printf_verbose("\tcomponent description: %s\n",
+				component_description ? component_description : "None");
+
+		bt_put(plugin);
+		bt_put(component_class);
 	}
-	g_array_free(trace_ids, TRUE);
-	return ret;
 }
 
-
-
-int convert_trace(struct trace_descriptor *td_write,
-		  struct bt_context *ctx)
+static
+void test_sink_notifications(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);
-
-	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");
-			goto end;
-		}
-		ret = bt_iter_next(bt_ctf_get_iter(iter));
-		if (ret < 0)
-			goto end;
-	}
-	ret = 0;
-
-end:
-	bt_ctf_iter_destroy(iter);
-error_iter:
-	return ret;
+	return;
 }
 
 int main(int argc, char **argv)
 {
-	int ret, partial_error = 0;
-	struct format *fmt_write;
-	struct trace_descriptor *td_write;
-	struct bt_context *ctx;
+	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;
 
 	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);
 	}
+
 	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);
-	}
-
-	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;
-		}
-	}
-	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 (!opt_plugin_path) {
+		fprintf(stderr, "No plugin path specified, aborting...\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;
+	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");
+		ret = -1;
 		goto end;
 	}
 
-	ctx = bt_context_create();
-
-	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;
+	ret = bt_component_factory_load(component_factory, opt_plugin_path);
+	if (ret) {
+		fprintf(stderr, "Failed to load plugins.\n");
+		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;
-	}
+	print_detected_component_classes(component_factory);
 
-	ret = convert_trace(td_write, ctx);
-	if (ret) {
-		fprintf(stderr, "Error printing trace.\n\n");
-		goto error_copy_trace;
+	sink_class = bt_component_factory_get_component_class(component_factory,
+			NULL, BT_COMPONENT_TYPE_SINK, "text");
+	if (!sink_class) {
+		fprintf(stderr, "Could not find text output component class. Aborting...\n");
+		ret = -1;
+		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;
+	sink = bt_component_create(sink_class, "bt_text_output", sink_params);
+	if (!sink) {
+		fprintf(stderr, "Failed to instanciate text output. Aborting...\n");
+		ret = -1;
+		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;
+	test_sink_notifications(sink);
 
 	/* teardown and exit */
 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);
+	return ret ? 1 : 0;
 }