--- /dev/null
+/*
+ * BabelTrace - Common Trace Format (CTF)
+ *
+ * CTF Metadata Dump.
+ *
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 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.
+ */
+
+#include <babeltrace/format.h>
+#include <babeltrace/ctf-text/types.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/ctf/events-internal.h>
+#include <inttypes.h>
+#include <sys/mman.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <glib.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+static
+struct bt_trace_descriptor *ctf_metadata_open_trace(const char *path, int flags,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
+ int whence), FILE *metadata_fp);
+static
+int ctf_metadata_close_trace(struct bt_trace_descriptor *descriptor);
+
+static
+struct bt_format ctf_metadata_format = {
+ .open_trace = ctf_metadata_open_trace,
+ .close_trace = ctf_metadata_close_trace,
+};
+
+static
+int ctf_metadata_trace_pre_handler(struct bt_stream_pos *ppos,
+ struct bt_trace_descriptor *td)
+{
+ struct ctf_text_stream_pos *pos =
+ container_of(ppos, struct ctf_text_stream_pos, parent);
+ struct ctf_trace *trace;
+
+ trace = container_of(td, struct ctf_trace, parent);
+ if (!trace->metadata_string)
+ return -EINVAL;
+ if (trace->metadata_packetized) {
+ fprintf(pos->fp, "/* CTF %u.%u */\n",
+ BT_CTF_MAJOR, BT_CTF_MINOR);
+ }
+ fprintf(pos->fp, "%s", trace->metadata_string);
+ return 0;
+}
+
+static
+struct bt_trace_descriptor *ctf_metadata_open_trace(const char *path, int flags,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
+ int whence), FILE *metadata_fp)
+{
+ struct ctf_text_stream_pos *pos;
+ FILE *fp;
+
+ pos = g_new0(struct ctf_text_stream_pos, 1);
+
+ pos->last_real_timestamp = -1ULL;
+ pos->last_cycles_timestamp = -1ULL;
+ switch (flags & O_ACCMODE) {
+ case O_RDWR:
+ if (!path)
+ fp = stdout;
+ else
+ fp = fopen(path, "w");
+ if (!fp)
+ goto error;
+ pos->fp = fp;
+ pos->parent.pre_trace_cb = ctf_metadata_trace_pre_handler;
+ pos->print_names = 0;
+ break;
+ case O_RDONLY:
+ default:
+ fprintf(stderr, "[error] Incorrect open flags.\n");
+ goto error;
+ }
+
+ return &pos->trace_descriptor;
+error:
+ g_free(pos);
+ return NULL;
+}
+
+static
+int ctf_metadata_close_trace(struct bt_trace_descriptor *td)
+{
+ int ret;
+ struct ctf_text_stream_pos *pos =
+ container_of(td, struct ctf_text_stream_pos, trace_descriptor);
+ if (pos->fp != stdout) {
+ ret = fclose(pos->fp);
+ if (ret) {
+ perror("Error on fclose");
+ return -1;
+ }
+ }
+ g_free(pos);
+ return 0;
+}
+
+static
+void __attribute__((constructor)) ctf_metadata_init(void)
+{
+ int ret;
+
+ ctf_metadata_format.name = g_quark_from_static_string("ctf-metadata");
+ ret = bt_register_format(&ctf_metadata_format);
+ assert(!ret);
+}
+
+static
+void __attribute__((destructor)) ctf_metadata_exit(void)
+{
+ bt_unregister_format(&ctf_metadata_format);
+}
static
int ctf_text_close_trace(struct bt_trace_descriptor *descriptor);
-static
-struct bt_trace_descriptor *ctf_metadata_open_trace(const char *path, int flags,
- void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
- int whence), FILE *metadata_fp);
-static
-int ctf_metadata_close_trace(struct bt_trace_descriptor *descriptor);
-
static
rw_dispatch write_dispatch_table[] = {
[ CTF_TYPE_INTEGER ] = ctf_text_integer_write,
.close_trace = ctf_text_close_trace,
};
-static
-struct bt_format ctf_metadata_format = {
- .open_trace = ctf_metadata_open_trace,
- .close_trace = ctf_metadata_close_trace,
-};
-
static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN,
Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END,
Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED,
return 0;
}
-static
-int ctf_metadata_trace_pre_handler(struct bt_stream_pos *ppos,
- struct bt_trace_descriptor *td)
-{
- struct ctf_text_stream_pos *pos =
- container_of(ppos, struct ctf_text_stream_pos, parent);
- struct ctf_trace *trace;
-
- trace = container_of(td, struct ctf_trace, parent);
- if (!trace->metadata_string)
- return -EINVAL;
- if (trace->metadata_packetized) {
- fprintf(pos->fp, "/* CTF %u.%u */\n",
- BT_CTF_MAJOR, BT_CTF_MINOR);
- }
- fprintf(pos->fp, "%s", trace->metadata_string);
- return 0;
-}
-
-static
-struct bt_trace_descriptor *ctf_metadata_open_trace(const char *path, int flags,
- void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
- int whence), FILE *metadata_fp)
-{
- struct ctf_text_stream_pos *pos;
- FILE *fp;
-
- pos = g_new0(struct ctf_text_stream_pos, 1);
-
- pos->last_real_timestamp = -1ULL;
- pos->last_cycles_timestamp = -1ULL;
- switch (flags & O_ACCMODE) {
- case O_RDWR:
- if (!path)
- fp = stdout;
- else
- fp = fopen(path, "w");
- if (!fp)
- goto error;
- pos->fp = fp;
- pos->parent.pre_trace_cb = ctf_metadata_trace_pre_handler;
- pos->print_names = 0;
- break;
- case O_RDONLY:
- default:
- fprintf(stderr, "[error] Incorrect open flags.\n");
- goto error;
- }
-
- return &pos->trace_descriptor;
-error:
- g_free(pos);
- return NULL;
-}
-
-static
-int ctf_metadata_close_trace(struct bt_trace_descriptor *td)
-{
- int ret;
- struct ctf_text_stream_pos *pos =
- container_of(td, struct ctf_text_stream_pos, trace_descriptor);
- if (pos->fp != stdout) {
- ret = fclose(pos->fp);
- if (ret) {
- perror("Error on fclose");
- return -1;
- }
- }
- g_free(pos);
- return 0;
-}
-
static
void __attribute__((constructor)) ctf_text_init(void)
{
ctf_text_format.name = g_quark_from_static_string("text");
ret = bt_register_format(&ctf_text_format);
assert(!ret);
- ctf_metadata_format.name = g_quark_from_static_string("ctf-metadata");
- ret = bt_register_format(&ctf_metadata_format);
- assert(!ret);
}
static
void __attribute__((destructor)) ctf_text_exit(void)
{
- bt_unregister_format(&ctf_metadata_format);
bt_unregister_format(&ctf_text_format);
}
projects / babeltrace.git / commitdiff
