babeltrace-log: UTC timestamps
[babeltrace.git] / converter / babeltrace-log.c
index 9d87776a8f361ade58a7557215d99fe8a56916fd..b6d798f797d0f86094b69c3e507dbf045ebed60f 100644 (file)
  * 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.
+ *
  * Depends on glibc 2.10 for getline().
  */
 
 
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/ctf/types.h>
-#include <babeltrace/uuid.h>
+#include <babeltrace/compat/uuid.h>
+#include <babeltrace/compat/utc.h>
 #include <babeltrace/endian.h>
 
+#define NSEC_PER_USEC 1000UL
+#define NSEC_PER_MSEC 1000000UL
+#define NSEC_PER_SEC 1000000000ULL
 #define USEC_PER_SEC 1000000UL
 
 int babeltrace_debug, babeltrace_verbose;
@@ -115,7 +127,7 @@ void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid)
        ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
        ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
        assert(!ctf_pos_packet(&dummy));
-       
+
        ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
        *(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
        ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);
@@ -141,7 +153,7 @@ void write_packet_context(struct ctf_stream_pos *pos)
        ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
        ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
        assert(!ctf_pos_packet(&dummy));
-       
+
        ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
        *(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL;    /* Not known yet */
        pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
@@ -152,7 +164,7 @@ void write_packet_context(struct ctf_stream_pos *pos)
        ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
        ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
        assert(!ctf_pos_packet(&dummy));
-       
+
        ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
        *(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size;
        ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
@@ -163,17 +175,46 @@ void write_event_header(struct ctf_stream_pos *pos, char *line,
                        char **tline, size_t len, size_t *tlen,
                        uint64_t *ts)
 {
-       unsigned long sec, usec;
-       int ret;
-
        if (!s_timestamp)
                return;
 
        /* Only need to be executed on first pass (dummy) */
-       if (pos->dummy) {
+       if (pos->dummy) {
+               int has_timestamp = 0;
+               unsigned long sec, usec, msec;
+               unsigned int year, mon, mday, hour, min;
+
                /* Extract time from input line */
-               ret = sscanf(line, "[%lu.%lu] ", &sec, &usec);
-               if (ret == 2) {
+               if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) {
+                       *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
+                       /*
+                        * Default CTF clock has 1GHz frequency. Convert
+                        * from usec to nsec.
+                        */
+                       *ts *= NSEC_PER_USEC;
+                       has_timestamp = 1;
+               } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ",
+                               &year, &mon, &mday, &hour, &min,
+                               &sec, &msec) == 7) {
+                       time_t ep_sec;
+                       struct tm ti;
+
+                       memset(&ti, 0, sizeof(ti));
+                       ti.tm_year = year - 1900;       /* from 1900 */
+                       ti.tm_mon = mon - 1;            /* 0 to 11 */
+                       ti.tm_mday = mday;
+                       ti.tm_hour = hour;
+                       ti.tm_min = min;
+                       ti.tm_sec = sec;
+
+                       ep_sec = babeltrace_timegm(&ti);
+                       if (ep_sec != (time_t) -1) {
+                               *ts = (uint64_t) ep_sec * NSEC_PER_SEC
+                                       + (uint64_t) msec * NSEC_PER_MSEC;
+                       }
+                       has_timestamp = 1;
+               }
+               if (has_timestamp) {
                        *tline = strchr(line, ']');
                        assert(*tline);
                        (*tline)++;
@@ -181,7 +222,6 @@ void write_event_header(struct ctf_stream_pos *pos, char *line,
                                (*tline)++;
                        }
                        *tlen = len + line - *tline;
-                       *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
                }
        }
        /* timestamp */
@@ -201,21 +241,25 @@ void trace_string(char *line, struct ctf_stream_pos *pos, size_t len)
        uint64_t ts = 0;
 
        printf_debug("read: %s\n", line);
-retry:
-       ctf_dummy_pos(pos, &dummy);
-       write_event_header(&dummy, line, &tline, len, &tlen, &ts);
-       ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
-       ctf_move_pos(&dummy, tlen * CHAR_BIT);
-       if (ctf_pos_packet(&dummy)) {
-               ctf_pos_pad_packet(pos);
-               write_packet_header(pos, s_uuid);
-               write_packet_context(pos);
-               if (attempt++ == 1) {
-                       fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
-                               pos->packet_size / CHAR_BIT / 1024);
-                       return;
+
+       for (;;) {
+               ctf_dummy_pos(pos, &dummy);
+               write_event_header(&dummy, line, &tline, len, &tlen, &ts);
+               ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
+               ctf_move_pos(&dummy, tlen * CHAR_BIT);
+               if (ctf_pos_packet(&dummy)) {
+                       ctf_pos_pad_packet(pos);
+                       write_packet_header(pos, s_uuid);
+                       write_packet_context(pos);
+                       if (attempt++ == 1) {
+                               fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
+                                       pos->packet_size / CHAR_BIT / 1024);
+                               return;
+                       }
+                       continue;
+               } else {
+                       break;
                }
-               goto retry;
        }
 
        write_event_header(pos, line, &tline, len, &tlen, &ts);
@@ -234,7 +278,7 @@ void trace_text(FILE *input, int output)
        int ret;
 
        memset(&pos, 0, sizeof(pos));
-       ret = ctf_init_pos(&pos, output, O_RDWR);
+       ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
        if (ret) {
                fprintf(stderr, "Error in ctf_init_pos\n");
                return;
@@ -271,6 +315,7 @@ void usage(FILE *fp)
        fprintf(fp, "  OUTPUT                         Output trace path\n");
        fprintf(fp, "\n");
        fprintf(fp, "  -t                             With timestamps (format: [sec.usec] string\\n)\n");
+       fprintf(fp, "                                                 (format: [YYYY-MM-DD HH:MM:SS.MS] string\\n)\n");
        fprintf(fp, "\n");
 }
 
@@ -340,7 +385,7 @@ int main(int argc, char **argv)
 
        metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT,
                             S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
-       if (fd < 0) {
+       if (metadata_fd < 0) {
                perror("openat");
                goto error_closedatastream;
        }
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