TT#111357 add microseconds to file name patterns

closes #1195
closes #1150

Change-Id: Ic6ea7b40ff1f26e92ab2d50adc50776f72a10616

recording-daemon/output.c

@@ -84,11 +84,13 @@ static void create_parent_dirs(char *dir) {
 
 output_t *output_new(const char *path, const char *call, const char *type) {
 	// construct output file name
-	time_t now = time(NULL);
+	struct timeval now;
 	struct tm tm;
-	localtime_r(&now, &tm);
 	const char *ax = call;
 
+	gettimeofday(&now, NULL);
+	localtime_r(&now.tv_sec, &tm);
+
 	GString *f = g_string_new("");
 	for (const char *p = output_pattern; *p; p++) {
 		if (*p != '%') {
@@ -127,6 +129,9 @@ output_t *output_new(const char *path, const char *call, const char *type) {
 			case 'S':
 				g_string_append_printf(f, "%02i", tm.tm_sec);
 				break;
+			case 'u':
+				g_string_append_printf(f, "%06li", (long) now.tv_usec);
+				break;
 			case '0':
 			case '1':
 			case '2':

recording-daemon/rtpengine-recording.pod

@@ -183,6 +183,10 @@ was created) and are the same as the format sequences supported by L<date(1)>
 or L<strftime(3)> (year, month, day, hours, minutes, and seconds,
 respectively).
 
+=item B<%u>
+
+Microseconds, expanded to 6 digits (B<000000> through B<999999>).
+
 =item B<%>I<INT>
 
 References a prefix from the call ID of the given length. If this format