Fix header guard
[babeltrace.git] / converter / babeltrace.c
index 326f85686cc6cd5bfab908261e68b24e5128e21b..892096d1fd4ca08ff65fc4617ae5422bb54a4a32 100644 (file)
 #include <babeltrace/ctf/events-internal.h>
 #include <babeltrace/ctf/iterator.h>
 #include <babeltrace/ctf-text/types.h>
+#include <babeltrace/debug-info.h>
+
 #include <babeltrace/iterator.h>
+#include <babeltrace/plugin/component-factory.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/values.h>
 #include <popt.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -70,9 +75,17 @@ static char *opt_input_format, *opt_output_format;
  */
 static GPtrArray *opt_input_paths;
 static char *opt_output_path;
+static int opt_stream_intersection;
+static char *opt_plugin_path;
 
 static struct bt_format *fmt_read;
 
+void bt_dummy_hook(void);
+void bt_lttng_live_hook(void);
+void bt_ctf_hook(void);
+void bt_ctf_text_hook(void);
+void bt_ctf_metadata_hook(void);
+
 static
 void strlower(char *str)
 {
@@ -89,6 +102,7 @@ enum {
        OPT_OUTPUT_FORMAT,
        OPT_HELP,
        OPT_LIST,
+       OPT_PLUGIN_PATH,
        OPT_VERBOSE,
        OPT_DEBUG,
        OPT_NAMES,
@@ -101,10 +115,14 @@ enum {
        OPT_CLOCK_DATE,
        OPT_CLOCK_GMT,
        OPT_CLOCK_FORCE_CORRELATE,
+       OPT_STREAM_INTERSECTION,
+       OPT_DEBUG_INFO_DIR,
+       OPT_DEBUG_INFO_FULL_PATH,
+       OPT_DEBUG_INFO_TARGET_PREFIX,
 };
 
 /*
- * We are _not_ using POPT_ARG_STRING ability to store directly into
+ * 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
@@ -118,6 +136,7 @@ static struct poptOption long_options[] = {
        { "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 },
+       { "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 },
@@ -130,6 +149,12 @@ static struct poptOption long_options[] = {
        { "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 },
+       { "stream-intersection", 0, POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
+#ifdef ENABLE_DEBUG_INFO
+       { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
+       { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
+       { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
+#endif
        { NULL, 0, 0, NULL, 0, NULL, NULL },
 };
 
@@ -153,6 +178,7 @@ static void usage(FILE *fp)
        fprintf(fp, "\n");
        fprintf(fp, "  -h, --help                     This help message\n");
        fprintf(fp, "  -l, --list                     List available formats\n");
+       fprintf(fp, "      --plugin-path              Supplementary plug-in path\n");
        fprintf(fp, "  -v, --verbose                  Verbose mode\n");
        fprintf(fp, "                                 (or set BABELTRACE_VERBOSE environment variable)\n");
        fprintf(fp, "  -d, --debug                    Debug mode\n");
@@ -175,6 +201,13 @@ static void usage(FILE *fp)
        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");
+       fprintf(fp, "      --stream-intersection      Only print events when all streams are active.\n");
+#ifdef ENABLE_DEBUG_INFO
+       fprintf(fp, "      --debug-info-dir           Directory in which to look for debugging information\n");
+       fprintf(fp, "                                 files. (default: /usr/lib/debug/)\n");
+       fprintf(fp, "      --debug-info-target-prefix Directory to use as a prefix for executable lookup\n");
+       fprintf(fp, "      --debug-info-full-path     Show full debug info source and binary paths (if available)\n");
+#endif
        list_formats(fp);
        fprintf(fp, "\n");
 }
@@ -313,6 +346,13 @@ static int parse_options(int argc, char **argv)
                        list_formats(stdout);
                        ret = 1;
                        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;
@@ -394,7 +434,26 @@ static int parse_options(int argc, char **argv)
                case OPT_CLOCK_FORCE_CORRELATE:
                        opt_clock_force_correlate = 1;
                        break;
-
+               case OPT_STREAM_INTERSECTION:
+                       opt_stream_intersection = 1;
+                       break;
+               case OPT_DEBUG_INFO_DIR:
+                       opt_debug_info_dir = (char *) poptGetOptArg(pc);
+                       if (!opt_debug_info_dir) {
+                               ret = -EINVAL;
+                               goto end;
+                       }
+                       break;
+               case OPT_DEBUG_INFO_FULL_PATH:
+                       opt_debug_info_full_path = 1;
+                       break;
+               case OPT_DEBUG_INFO_TARGET_PREFIX:
+                       opt_debug_info_target_prefix = (char *) poptGetOptArg(pc);
+                       if (!opt_debug_info_target_prefix) {
+                               ret = -EINVAL;
+                               goto end;
+                       }
+                       break;
                default:
                        ret = -EINVAL;
                        goto end;
@@ -406,10 +465,6 @@ static int parse_options(int argc, char **argv)
                if (ipath)
                        g_ptr_array_add(opt_input_paths, (gpointer) ipath);
        } while (ipath);
-       if (opt_input_paths->len == 0) {
-               ret = -EINVAL;
-               goto end;
-       }
 
 end:
        if (pc) {
@@ -621,18 +676,24 @@ int convert_trace(struct bt_trace_descriptor *td_write,
 {
        struct bt_ctf_iter *iter;
        struct ctf_text_stream_pos *sout;
-       struct bt_iter_pos begin_pos;
+       struct bt_iter_pos *begin_pos = NULL, *end_pos = NULL;
        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)
+       if (!sout->parent.event_cb) {
                return 0;
+       }
 
-       begin_pos.type = BT_SEEK_BEGIN;
-       iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
+       if (opt_stream_intersection) {
+               iter = bt_ctf_iter_create_intersect(ctx, &begin_pos, &end_pos);
+       } else {
+               begin_pos = bt_iter_create_time_pos(NULL, 0);
+               begin_pos->type = BT_SEEK_BEGIN;
+               iter = bt_ctf_iter_create(ctx, begin_pos, NULL);
+       }
        if (!iter) {
                ret = -1;
                goto error_iter;
@@ -644,25 +705,41 @@ int convert_trace(struct bt_trace_descriptor *td_write,
                        goto end;
                }
                ret = bt_iter_next(bt_ctf_get_iter(iter));
-               if (ret < 0)
+               if (ret < 0) {
                        goto end;
+               }
        }
        ret = 0;
 
 end:
        bt_ctf_iter_destroy(iter);
 error_iter:
+       bt_iter_free_pos(begin_pos);
+       bt_iter_free_pos(end_pos);
        return ret;
 }
 
+void call_plugins_hooks(void)
+{
+       bt_dummy_hook();
+       bt_lttng_live_hook();
+       bt_ctf_hook();
+       bt_ctf_text_hook();
+       bt_ctf_metadata_hook();
+}
+
 int main(int argc, 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;
+       struct bt_component_factory *component_factory;
+       struct bt_value *components = NULL;
        int i;
 
+       call_plugins_hooks();
+
        opt_input_paths = g_ptr_array_new();
 
        ret = parse_options(argc, argv);
@@ -678,6 +755,36 @@ int main(int argc, char **argv)
        printf_verbose("Verbose mode active.\n");
        printf_debug("Debug mode active.\n");
 
+       if (!opt_plugin_path) {
+               fprintf(stderr, "No plugin path specified, aborting...\n");
+               ret = -1;
+               goto end;
+       }
+       printf_verbose("Looking-up plugins at %s",
+                       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;
+       }
+
+       ret = bt_component_factory_load(component_factory, opt_plugin_path);
+       if (ret) {
+               fprintf(stderr, "Failed to load plugins.\n");
+               goto end;
+       }
+
+       ret = bt_component_factory_get_component_class_count(component_factory);
+       if (ret <= 0) {
+               goto end;
+       }
+
+       if (opt_input_paths->len == 0) {
+               ret = -1;
+               goto end;
+       }
+
        if (opt_input_format)
                strlower(opt_input_format);
        if (opt_output_format)
@@ -805,7 +912,11 @@ end:
        free(opt_input_format);
        free(opt_output_format);
        free(opt_output_path);
+       free(opt_debug_info_dir);
+       free(opt_debug_info_target_prefix);
        g_ptr_array_free(opt_input_paths, TRUE);
+       BT_PUT(components);
+       BT_PUT(component_factory);
        if (partial_error)
                exit(EXIT_FAILURE);
        else
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