X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf-text%2Fctf-text.c;h=ceca3e4ea6c2b579bd63f44e3f992a5a3052cb9b;hp=aabf6283295010ceac69bbd7a26301935afb7e4d;hb=312623540c466defab45503fbe0ce7ec79dcce85;hpb=5385cf15115d777de4a220a164c101da0e4c3bac diff --git a/formats/ctf-text/ctf-text.c b/formats/ctf-text/ctf-text.c index aabf6283..ceca3e4e 100644 --- a/formats/ctf-text/ctf-text.c +++ b/formats/ctf-text/ctf-text.c @@ -18,6 +18,7 @@ #include #include +#include #include #include #include @@ -52,6 +53,96 @@ struct format ctf_text_format = { .close_trace = ctf_text_close_trace, }; +static +int ctf_text_write_event(struct stream_pos *ppos, + struct ctf_stream *stream_class) +{ + struct ctf_text_stream_pos *pos = + container_of(ppos, struct ctf_text_stream_pos, parent); + struct ctf_event *event_class; + uint64_t id = 0; + int len_index; + int ret; + + /* print event header */ + if (stream_class->event_header) { + /* lookup event id */ + len_index = struct_declaration_lookup_field_index(stream_class->event_header_decl, + g_quark_from_static_string("id")); + if (len_index >= 0) { + struct definition_integer *defint; + struct definition *field; + + field = struct_definition_get_field_from_index(stream_class->event_header, len_index); + assert(field->declaration->id == CTF_TYPE_INTEGER); + defint = container_of(field, struct definition_integer, p); + assert(defint->declaration->signedness == FALSE); + id = defint->value._unsigned; /* set id */ + } + } + + if (id >= stream_class->events_by_id->len) { + fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id); + return -EINVAL; + } + event_class = g_ptr_array_index(stream_class->events_by_id, id); + if (!event_class) { + fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id); + return -EINVAL; + } + + if (pos->print_names) + fprintf(pos->fp, "name = "); + fprintf(pos->fp, "%s", g_quark_to_string(event_class->name)); + + if (stream_class->event_header) { + if (pos->print_names) + fprintf(pos->fp, ", stream.event.header ="); + fprintf(pos->fp, " "); + ret = generic_rw(ppos, &stream_class->event_header->p); + if (ret) + goto error; + } + + /* print stream-declared event context */ + if (stream_class->event_context) { + if (pos->print_names) + fprintf(pos->fp, ", stream.event.context ="); + fprintf(pos->fp, " "); + ret = generic_rw(ppos, &stream_class->event_context->p); + if (ret) + goto error; + } + + /* print event-declared event context */ + if (event_class->context) { + if (pos->print_names) + fprintf(pos->fp, ", event.context ="); + fprintf(pos->fp, " "); + ret = generic_rw(ppos, &event_class->context->p); + if (ret) + goto error; + } + + /* Read and print event payload */ + if (event_class->fields) { + if (pos->print_names) + fprintf(pos->fp, ", event.fields ="); + fprintf(pos->fp, " "); + ret = generic_rw(ppos, &event_class->fields->p); + if (ret) + goto error; + } + fprintf(pos->fp, "\n"); + + return 0; + +error: + fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); + return ret; +} + + struct trace_descriptor *ctf_text_open_trace(const char *path, int flags) { struct ctf_text_stream_pos *pos; @@ -60,14 +151,17 @@ struct trace_descriptor *ctf_text_open_trace(const char *path, int flags) pos = g_new0(struct ctf_text_stream_pos, 1); switch (flags & O_ACCMODE) { - case O_WRONLY: + case O_RDWR: if (!path) - path = "/dev/stdout"; - fp = fopen(path, "w"); + fp = stdout; + else + fp = fopen(path, "w"); if (!fp) goto error; pos->fp = fp; pos->parent.rw_table = write_dispatch_table; + pos->parent.event_cb = ctf_text_write_event; + pos->print_names = 1; break; case O_RDONLY: default: