- fixed bug in server side file directory service with nested directory structure

- mms_utility: added read file directory feature

examples/mms_utility/mms_utility.c

@@ -8,7 +8,8 @@
 static void
 print_help()
 {
-    printf("MMS utility (libiec61850 v0.5) options:\n");
+
+    printf("MMS utility (libiec61850 " LIBIEC61850_VERSION ") options:\n");
     printf("-h <hostname> specify hostname\n");
     printf("-p <port> specify port\n");
     printf("-l <max_pdu_size> specify maximum PDU size\n");
@@ -16,7 +17,18 @@ print_help()
     printf("-i show server identity\n");
     printf("-t <domain_name> show domain directory\n");
     printf("-r <variable_name> read domain variable\n");
-    printf("-a <domain_name> specify domain for read or write command");
+    printf("-a <domain_name> specify domain for read or write command\n");
+    printf("-f show file list\n");
+}
+
+static void
+mmsFileDirectoryHandler (void* parameter, char* filename, uint32_t size, uint64_t lastModified)
+{
+    char* lastName = (char*) parameter;
+
+    strcpy (lastName, filename);
+
+    printf("%s\n", filename);
 }
 
 int main(int argc, char** argv) {
@@ -33,11 +45,12 @@ int main(int argc, char** argv) {
 	int identifyDevice = 0;
 	int readWriteHasDomain = 0;
 	int readVariable = 0;
+	int showFileList = 0;
 
 
 	int c;
 
-	while ((c = getopt(argc, argv, "idh:p:l:t:a:r:")) != -1)
+	while ((c = getopt(argc, argv, "ifdh:p:l:t:a:r:")) != -1)
 		switch (c) {
 		case 'h':
 			hostname = copyString(optarg);
@@ -66,6 +79,9 @@ int main(int argc, char** argv) {
 		    readVariable = 1;
 		    variableName = copyString(optarg);
 		    break;
+		case 'f':
+		    showFileList = 1;
+		    break;
 
 		default:
 		    print_help();
@@ -150,6 +166,16 @@ int main(int argc, char** argv) {
 	        printf("Reading VMD scope variable not yet supported!\n");
 	}
 
+	if (showFileList) {
+	    char lastName[300];
+	    lastName[0] = 0;
+
+	    char* continueAfter = NULL;
+
+	    while (MmsConnection_getFileDirectory(con, &error, "", continueAfter, mmsFileDirectoryHandler, lastName)) {
+	        continueAfter = lastName;
+	    }
+	}
 
 exit:
 	MmsConnection_destroy(con);

src/mms/iso_mms/server/mms_file_service.c

@@ -437,7 +437,7 @@ encodeFileSpecification(uint8_t tag, char* fileSpecification, uint8_t* buffer, i
 }
 
 static int
-addFileEntriesToResponse(uint8_t* buffer, int bufPos, int maxBufSize, char* directoryName, char* continueAfterFileName, bool* moreFollows)
+addFileEntriesToResponse(uint8_t* buffer, int bufPos, int maxBufSize, char* directoryName, char** continueAfterFileName, bool* moreFollows)
 {
 	int directoryNameLength = strlen(directoryName);
 
@@ -464,9 +464,10 @@ addFileEntriesToResponse(uint8_t* buffer, int bufPos, int maxBufSize, char* dire
             		break;
             }
             else {
-            	if (continueAfterFileName != NULL) {
-					if (strcmp(continueAfterFileName, directoryName) == 0)
-						continueAfterFileName = NULL;
+            	if (*continueAfterFileName != NULL) {
+					if (strcmp(*continueAfterFileName, directoryName) == 0) {
+						*continueAfterFileName = NULL;
+					}
 				}
 				else {
 					uint64_t msTime;
@@ -533,9 +534,7 @@ createFileDirectoryResponse(uint32_t invokeId, ByteBuffer* response, int maxPduS
             continueAfterFileName = NULL;
     }
 
-    printf("createFileDirectoryResponse: maxSize:%i\n", maxSize);
-
-    tempCurPos = addFileEntriesToResponse(buffer, tempCurPos, maxSize, directoryName, continueAfterFileName, &moreFollows);
+    tempCurPos = addFileEntriesToResponse(buffer, tempCurPos, maxSize, directoryName, &continueAfterFileName, &moreFollows);
 
 	if (tempCurPos < 0) {
 
@@ -586,8 +585,6 @@ createFileDirectoryResponse(uint32_t invokeId, ByteBuffer* response, int maxPduS
         bufPos = BerEncoder_encodeBoolean(0x81, moreFollows, buffer, bufPos);
 
     response->size = bufPos;
-
-    printf("createFileDirectoryResponse: maxSize:%i response->isze:%i\n", maxSize, response->size);
 }
 
 void