Merge pull request #915 from MarcinMiklas/configuration_options_can_be_changed_at_runtimeopen-avb-next

Configuration options can be changed at runtime

1 files changed, 51 insertions, 1 deletions

diff --git a/lib/avtp_pipeline/platform/Linux/avb_host/openavb_harness.c b/lib/avtp_pipeline/platform/Linux/avb_host/openavb_harness.c
index 6802c447..98535ab4 100644
--- a/lib/avtp_pipeline/platform/Linux/avb_host/openavb_harness.c
+++ b/lib/avtp_pipeline/platform/Linux/avb_host/openavb_harness.c
@@ -150,6 +150,7 @@ void openavbTlHarnessMenu()
 		" t            Stop all streams\n"
 		" l            List streams\n"
 		" 0-99         Toggle the state of the numbered stream\n"
+		" c N NAME VAL Change config option for stream N\n"
 		" m            Display this menu\n"
 		" z            Stats\n"
 		" x            Exit\n"
@@ -157,6 +158,39 @@ void openavbTlHarnessMenu()
 		);
 }
 
+// manually matches following regular expression:
+//
+//     /(\d+)\s+([^\s]+)\s+(.*)\s*/
+//
+// where:
+//   $1 - idx
+//   $2 - name
+//   $3 - value
+int parse_idx_name_value(char* line, int* pIdx, char** pName, char** pValue)
+{
+	char *token = NULL;
+
+	int tmp = strtol(line, &token, 10);
+	if (token == line) return 0;
+	*pIdx = tmp;
+
+	while (isspace(*token)) ++token;
+	if (*token == '\0') return 1;
+
+	*pName = token;
+	while (!isspace(*++token) && *token != '\0') ;
+	if (*token == '\0') return 2;
+	*token = '\0';
+
+	while (isspace(*++token)) ;
+	if (*token == '\0') return 2;
+	*pValue = token;
+
+	token += strlen(token);
+	while (isspace(*--token) && *token != '\0') *token = '\0';
+
+	return 3;
+}
 
 /**********************************************
  * main
@@ -403,7 +437,7 @@ int main(int argc, char *argv[])
 
 		openavbTlHarnessMenu();
 		while (bRunning) {
-			char buf[16];
+			char buf[512];
 			printf("> ");
 			if (fgets(buf, sizeof(buf), stdin) == NULL) {
 				openavbTlHarnessMenu();
@@ -449,10 +483,26 @@ int main(int argc, char *argv[])
 						}
 					}
 					break;
+				case 'c':
+					{
+						int i1 = -1;
+						char *name = NULL;
+						char *value = NULL;
+
+						if (parse_idx_name_value(&buf[1], &i1, &name, &value) == 3 && i1 < tlCount) {
+							openavb_tl_cfg_name_value_t NVCfg = {{name}, {value}, 1};
+							openavbTlChangeConfig(tlHandleList[i1], &NVCfg);
+						} else {
+							openavbTlHarnessMenu();
+						}
+
+					}
+					break;
 				case 'm':
 					// Display menu
 					openavbTlHarnessMenu();
 					break;
+
 				case 'z':
 					// Stats
 					{