Fix: swapped libelf and libdw names in configure error message
[babeltrace.git] / converter / babeltrace.c
index 2fd371c396a9f218c575eaaff704ca2571f33656..d80b1198fafe2cb58dacca8bc185f75bcf2b0f97 100644 (file)
@@ -26,8 +26,6 @@
  * SOFTWARE.
  */
 
-#define _GNU_SOURCE
-#include <config.h>
 #include <babeltrace/babeltrace.h>
 #include <babeltrace/format.h>
 #include <babeltrace/context.h>
@@ -38,6 +36,8 @@
 #include <babeltrace/ctf/events-internal.h>
 #include <babeltrace/ctf/iterator.h>
 #include <babeltrace/ctf-text/types.h>
+#include <babeltrace/debuginfo.h>
+
 #include <babeltrace/iterator.h>
 #include <popt.h>
 #include <errno.h>
 
 #define DEFAULT_FILE_ARRAY_SIZE        1
 
+#define NET_URL_PREFIX "net://"
+#define NET4_URL_PREFIX        "net4://"
+#define NET6_URL_PREFIX        "net6://"
+
 static char *opt_input_format, *opt_output_format;
 
 /*
@@ -68,6 +72,7 @@ static char *opt_input_format, *opt_output_format;
  */
 static GPtrArray *opt_input_paths;
 static char *opt_output_path;
+static int opt_stream_intersection;
 
 static struct bt_format *fmt_read;
 
@@ -99,6 +104,10 @@ 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,
 };
 
 /*
@@ -128,6 +137,12 @@ 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_DEBUGINFO
+       { "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 },
 };
 
@@ -173,6 +188,13 @@ 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_DEBUGINFO
+       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");
 }
@@ -392,7 +414,26 @@ 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;
@@ -451,15 +492,20 @@ static int traverse_trace_dir(const char *fpath, const struct stat *sb,
                /* No meta data, just return */
                return 0;
        } else {
+               int err_close = 0;
+
                closeret = close(metafd);
                if (closeret < 0) {
                        perror("close");
-                       return -1;      /* failure */
+                       err_close = 1;
                }
                closeret = close(dirfd);
                if (closeret < 0) {
                        perror("close");
-                       return -1;      /* failure */
+                       err_close = 1;
+               }
+               if (err_close) {
+                       return -1;
                }
 
                /* Add path to the global list */
@@ -490,15 +536,22 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
                void (*packet_seek)(struct bt_stream_pos *pos,
                        size_t offset, int whence))
 {
+       int ret = 0, trace_ids = 0;
 
-       GArray *trace_ids;
-       int ret = 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);
+               }
+               return ret;
+       }
        /* 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 */
@@ -520,7 +573,7 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
                                /* Allow to skip erroneous traces. */
                                ret = 1;        /* partial error */
                        } else {
-                               g_array_append_val(trace_ids, trace_id);
+                               trace_ids++;
                        }
                        g_string_free(trace_path, TRUE);
                }
@@ -534,11 +587,10 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
        /*
         * Return an error if no trace can be opened.
         */
-       if (trace_ids->len == 0) {
+       if (trace_ids == 0) {
                fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
                ret = -ENOENT;          /* failure */
        }
-       g_array_free(trace_ids, TRUE);
        return ret;
 }
 
@@ -608,18 +660,24 @@ 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;
@@ -631,14 +689,17 @@ 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;
 }
 
@@ -697,7 +758,7 @@ int main(int argc, char **argv)
                }
        }
        fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
-       if (!fmt_read || fmt_read->name != g_quark_from_static_string("ctf")) {
+       if (!fmt_read) {
                fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
                        opt_input_format);
                partial_error = 1;
@@ -757,10 +818,13 @@ int main(int argc, char **argv)
                goto error_copy_trace;
        }
 
-       ret = convert_trace(td_write, ctx);
-       if (ret) {
-               fprintf(stderr, "Error printing trace.\n\n");
-               goto error_copy_trace;
+       /* 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;
+               }
        }
 
        ret = trace_post_handler(td_write, ctx);
@@ -789,6 +853,8 @@ 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);
        if (partial_error)
                exit(EXIT_FAILURE);
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