debugging, tested status files fro raw recording

src/camogm.c

@@ -2454,7 +2454,7 @@ int main(int argc, char *argv[])
 		strncpy(sstate.rawdev.state_path, (const char *)state_name_str, str_len + 1);
 	}
 
-	ret =  get_state_directory(&sstate);
+	ret =  getup_state_files(&sstate);
 	D2(syslog (LOG_INFO, "%s:line %d : get_state_directory() -> %d @ %07d\n", \
 			__FILE__, __LINE__, ret, get_fpga_usec(sstate.fd_fparmsall[0], 0)));
 

src/camogm_jpeg.c

@@ -202,7 +202,19 @@ static int find_state(FILE *f, uint64_t *pos, const rawdev_buffer *rawdev)
 	return -3;
 }
 
-int get_state_directory(camogm_state *state) { //rawdev_buffer *rawdev){
+int get_dir_path(char* file_path, char* directory){ // directory should be allocated, returns w/o trailing '/'
+//	int dirlen;
+	char * cp;
+	strncpy(directory, file_path, ELPHEL_PATH_MAX); // rawdev->state_path is always absolute
+	cp=strrchr(directory,'/');
+	if (!cp) {
+		return -1; // no '/'
+	}
+	*cp=0; // truncate at '_'
+	return strlen(directory);
+}
+
+int getup_state_files(camogm_state *state) { //rawdev_buffer *rawdev){
 	rawdev_buffer *rawdev = &state->rawdev;
 	int dirlen, preflen; // length of directory path including trailing '/'
 	char * cp;
@@ -213,20 +225,22 @@ int get_state_directory(camogm_state *state) { //rawdev_buffer *rawdev){
 	struct dirent *dir;
 	struct stat fstat;
 	__time_t tsec = 0;
-	strncpy(state_directory, rawdev->state_path, ELPHEL_PATH_MAX);
+#if 0
+	strncpy(state_directory, rawdev->state_path, ELPHEL_PATH_MAX); // rawdev->state_path is always absolute
 	cp=strrchr(state_directory,'/');
 	if (!cp) {
 		return -1;
 	}
 	*cp=0; // truncate
 	dirlen = strlen(state_directory);
+#endif
+	dirlen = get_dir_path(rawdev->state_path, state_directory);
 	preflen = dirlen+1; // counts '/'
 	strcpy(pathname,state_directory);
 	cp = pathname + dirlen;
 	*cp = '/';
 	cp++;
 	*cp=0;
-
 	//	return rawdev->state_directory;
 	// get latest
 	strcpy(rawdev->state_prefix, state_directory);
@@ -275,17 +289,37 @@ int get_state_directory(camogm_state *state) { //rawdev_buffer *rawdev){
 	return 0;
 }
 
+// need to modify - if prefix already appeared, and provided index <= old, increment latest old one
 int set_state_file_from_prefix(camogm_state *state, const char * prefix){ // prefix is relative to /dev/sda1 (where camogm.disk is)
 	rawdev_buffer *rawdev = &state->rawdev;
 	char last_path[ELPHEL_PATH_MAX];
-	char * cp, *cp1;
-	int preflen, len, i;
-	strcpy(last_path,prefix); // may be either relative to camogm.disk directory or absolute
+	char * cp, *cp1, *local_pref; // pointer to last_path after '/'
+	int preflen, len, i , new_index, old_index;
+	DIR *d;
+	struct dirent *dir;
+//	char pathname[ELPHEL_PATH_MAX];
+	char state_directory[ELPHEL_PATH_MAX];
+	cp = last_path;
+	if (prefix[0] != '/') { // relative
+		len = get_dir_path(rawdev->state_path, last_path);
+		if (len < 0) {
+			D0(syslog (LOG_ERR,"%s:%d: State file '%s' is not absolute, should start with /dev/sda1", __FILE__, __LINE__, rawdev->state_path));
+		}
+		cp = last_path + len;
+		*cp++ = '/';
+		strncpy(cp, prefix, ELPHEL_PATH_MAX - len -2);
+	} else {
+		strcpy(last_path,prefix); // may be either relative to camogm.disk directory or absolute
+
+	}
+	// now - always absolute
 	if (!strcmp(last_path + (strlen(last_path)-strlen(STATE_EXT)),STATE_EXT)) { // ends with .disk
 		last_path[strlen(last_path)-strlen(STATE_EXT)] = '\0'; // truncate at .
 	}
-
-	rawdev->state_index = 0;
+    // absolute, w/o '.disk.
+	strcpy(rawdev->state_prefix, last_path); // use anyway, only index may be adjusted
+//	local_pref = last_path+
+	new_index = 0;
 	cp = strrchr(last_path,'_'); // find last '_'
 	if (!cp || strchr(cp,'/')){ //'_' in the directory name
 		cp = last_path+strlen(last_path); // full string w/o optional extension
@@ -298,16 +332,57 @@ int set_state_file_from_prefix(camogm_state *state, const char * prefix){ // pre
 				break;
 			}
 		}
-		D2(syslog (LOG_INFO,"_s030_ len=%d, cp=0x%08x, cp1=%s", \
+		D2(syslog (LOG_INFO,"_s030_ len=%d, cp=0x%08x, cp1='%s'", \
 				len, (int) cp, cp1));
 		if (cp) {
-			sscanf(cp+1, "%d",&rawdev->state_index);
+			sscanf(cp+1, "%d",&new_index);
 		} else {
 			cp = last_path+strlen(last_path);
 		}
 	}
-	*cp = '\0';
-	strcpy(rawdev->state_prefix, last_path);
+	*cp = '\0'; // instead of the '_' or '.' in '.disk'
+	// last_path - prefix (absolute), new_index
+	// get directory from the new potential prefix (last_path)
+	len = get_dir_path(last_path, state_directory);
+	if (len < 0) {
+		D0(syslog (LOG_ERR,"%s:%d: Prefix '%s' should be absolute here", __FILE__, __LINE__, last_path));
+		return -1;
+	}
+	local_pref = last_path + (len+1); // right after '/', ends at former "_" or ".disk"
+	preflen = strlen(local_pref);
+	// see if the same prefix already appeared, if yes - find the maximal index
+	old_index = -1;
+//strcpy(rawdev->state_prefix, state_directory)
+	D3(syslog (LOG_INFO, "_s31_ new prefix='%s' new directory='%s'", \
+			last_path, state_directory));
+	d = opendir(state_directory);
+	if (d) {
+		while ((dir = readdir(d)) != NULL) {
+			if (!strcmp(STATE_EXT, dir->d_name +(strlen(dir->d_name) - strlen(STATE_EXT)))) { // same extension
+				if (!strncmp(local_pref, dir->d_name, preflen)) { // starts same
+					if ((dir->d_name[preflen] == '_') || (dir->d_name[preflen] == '.')){
+						i=0; // if not get any - will be 0;
+						sscanf(dir->d_name+preflen+1, "%d",&i);
+						D3(syslog (LOG_INFO, "_s32_ matching old file='%s' index=%d", \
+								dir->d_name, i));
+						if (i > old_index) {
+							old_index = i;
+						}
+					}
+				}
+			}
+		}
+		closedir(d);
+	}
+	if (old_index >= new_index){
+		rawdev->state_index = old_index + 1;
+		D3(syslog (LOG_INFO, "_s33_ using incremented old index=%d (new was %d), prefix = '%s'", \
+				rawdev->state_index, new_index, rawdev->state_prefix));
+	} else {
+		rawdev->state_index = new_index;
+		D3(syslog (LOG_INFO, "_s33_ using new index index=%d (old was %d), prefix = '%s'", \
+				rawdev->state_index, old_index, rawdev->state_prefix));
+	}
 	preflen = snprintf(state->path, ELPHEL_PATH_MAX, STATE_FMT, rawdev->state_prefix ,rawdev->state_index);
 	D2(syslog (LOG_INFO,"_s03_ prefix='%s', rawdev->state_prefix='%s', index=%d, preflen=%d, state->path=%s", \
 			prefix, rawdev->state_prefix, rawdev->state_index, preflen, state->path));

src/camogm_jpeg.h

@@ -31,7 +31,10 @@ ssize_t emul_writev (int fd, const struct iovec *iovec, int count);
 int get_write_page(struct writer_params *wparams);
 int get_num_empty(struct writer_params *wparams);
 int get_num_busy(struct writer_params *wparams);
-int get_state_directory(camogm_state *state); // rawdev_buffer *rawdev);
+
+int get_dir_path(char* file_path, char* directory); // directory should be allocated, returns w/o trailing '/'
+int getup_state_files(camogm_state *state); // rawdev_buffer *rawdev);
+
 int set_state_file_from_prefix(camogm_state *state, const char * prefix);
 char * get_state_path(camogm_state *state);
 void next_state_path(camogm_state *state);