Change modelist to modes array

Change id: to 3-elements
1 packet per second right now -- but will soon send out a packet upon any change of data
https://github.com/Hamlib/Hamlib/issues/695

README.multicast

@@ -90,14 +90,23 @@ JSON data snapshot format for UDP packets:
   "crc": 0,
   "rig": {
     "__comment1__": "customizable rig identification -- will allow multiple rigs to be on the multicast",
-    "id": "Rig#1",
-    "name": "Dummy",
+    "id": {
+        "model":"IC-7300",
+        "endpoint":"com1",
+        "process":"53535",
+    }
+    "name": "IC-7300",
     "ptt" : false,
     "split": true,
     "splitVfo": "VFOB",
     "satMode": false,
     "status": "OK";
     "errorMsg": "OK",
+    "modes":[
+        "AM",
+        "CW",
+        "USB"
+    ]
   },
   "vfos": [
   {

src/network.c

@@ -967,7 +967,7 @@ void *multicast_publisher(void *arg)
             rig_debug(RIG_DEBUG_ERR, "%s: error sending UDP packet: %s\n", __func__,
                       strerror(errno));
         }
-        hl_usleep(1000);
+        hl_usleep(1000*1000);
 
     }
     rs->multicast_publisher_run = 2; // stop value

src/snapshot_data.c

@@ -20,17 +20,27 @@ static int snapshot_serialize_rig(cJSON *rig_node, RIG *rig)
     cJSON *node;
     char buf[1024];
 
+#if 0
     // TODO: need to assign rig an ID, e.g. from command line
     snprintf(buf, sizeof(buf), "%s:%s:%d", rig->caps->model_name,
          rig->state.rigport.pathname, getpid());
 
     node = cJSON_AddStringToObject(rig_node, "id", buf);
-
     if (node == NULL)
     {
         goto error;
     }
 
+#else
+    cJSON *id_node = cJSON_CreateObject();
+    cJSON_AddStringToObject(id_node, "model", rig->caps->model_name);
+    cJSON_AddStringToObject(id_node, "endpoint", rig->state.rigport.pathname);
+    char pid[16];
+    sprintf(pid,"%d",getpid());
+    cJSON_AddStringToObject(id_node, "process", pid);
+    cJSON_AddItemToObject(rig_node, "id", id_node);
+#endif
+
     // TODO: what kind of status should this reflect?
     node = cJSON_AddStringToObject(rig_node, "status",
                                    rig->state.comm_state ? "OK" : "CLOSED");
@@ -80,13 +90,17 @@ static int snapshot_serialize_rig(cJSON *rig_node, RIG *rig)
     }
 
     rig_sprintf_mode(buf, sizeof(buf), rig->state.mode_list);
-    node = cJSON_AddStringToObject(rig_node, "modelist", buf);
-
-    if (node == NULL)
+    char *p;
+    cJSON *modes_array = cJSON_CreateArray();
+    for(p=strtok(buf," ");p;p=strtok(NULL, " "))
     {
-        goto error;
+        if (strlen(buf)>0) {
+            cJSON *tmp = cJSON_CreateString(p);
+            cJSON_AddItemToArray(modes_array, tmp);
+        }
     }
-
+    cJSON_AddItemToObject(rig_node, "modes", modes_array);
+    
     //RETURNFUNC2(RIG_OK);
     return RIG_OK;
 
@@ -94,11 +108,15 @@ error:
     RETURNFUNC2(-RIG_EINTERNAL);
 }
 
+// 128 max modes should last a while
+#define MAX_MODES 128
+
 static int snapshot_serialize_vfo(cJSON *vfo_node, RIG *rig, vfo_t vfo)
 {
     freq_t freq;
     int freq_ms, mode_ms, width_ms;
     rmode_t mode;
+    //rmode_t modes[MAX_MODES];
     pbwidth_t width;
     ptt_t ptt;
     split_t split;