Rename multicast test routines and clean up things a bit

Now works on mingw32 and Linux
https://github.com/Hamlib/Hamlib/issues/695

src/multicast.c

@@ -236,15 +236,31 @@ void *multicast_thread(void *vrig)
             multicast_status_changed(rig);
             multicast_send_json(rig);
             loopcount = 4;
+	    freqsave = freq;
         }
 
     }
+#ifdef _WIN32
+    WSACleanup();
+#endif
+ 
 
     return NULL;
 }
 
 int multicast_init(RIG *rig, char *addr, int port)
 {
+#ifdef _WIN32
+    WSADATA wsaData;
+
+    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
+    {
+        fprintf(stderr, "WSAStartup failed: %d\n", WSAGetLastError());
+        return 1;
+    }
+
+#endif
+
     if (rig->state.multicast == NULL)
     {
         rig->state.multicast = calloc(1, sizeof(struct multicast_s));
@@ -258,11 +274,16 @@ int multicast_init(RIG *rig, char *addr, int port)
     if (port == 0) { port = RIG_MULTICAST_PORT; }
 
     // Create a UDP socket
-    rig->state.multicast->sock = socket(AF_INET, SOCK_DGRAM, 0);
+    rig->state.multicast->sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 
     if (rig->state.multicast->sock < 0)
     {
+#ifdef _WIN32
+	int err = WSAGetLastError();
+        rig_debug(RIG_DEBUG_ERR, "%s: socket: WSAGetLastError=%d\n", __func__, err);
+#else
         rig_debug(RIG_DEBUG_ERR, "%s: socket: %s\n", __func__, strerror(errno));
+#endif
         return -RIG_EIO;
     }
 

tests/Makefile.am

@@ -14,7 +14,7 @@ endif
 
 DISTCLEANFILES = rigctl.log rigctl.sum testbcd.log testbcd.sum
 
-bin_PROGRAMS = rigctl rigctld rigmem rigsmtr rigswr rotctl rotctld rigctlcom rigctltcp rigctlsync ampctl ampctld multicastclient multicastserver $(TESTLIBUSB)
+bin_PROGRAMS = rigctl rigctld rigmem rigsmtr rigswr rotctl rotctld rigctlcom rigctltcp rigctlsync ampctl ampctld rigtestmcast rigtestmcastrx $(TESTLIBUSB)
 
 #check_PROGRAMS = dumpmem testrig testrigopen testrigcaps testtrn testbcd testfreq listrigs testloc rig_bench testcache cachetest cachetest2 testcookie testgrid testsecurity
 check_PROGRAMS = dumpmem testrig testrigopen testrigcaps testtrn testbcd testfreq listrigs testloc rig_bench testcache cachetest cachetest2 testcookie testgrid hamlibmodels

tests/rigtestmcast.c

@@ -7,7 +7,7 @@ int main(int argc, char *argv[])
 {
     RIG *rig;
     rig_model_t myrig_model;
-    rig_set_debug_level(RIG_DEBUG_NONE);
+    rig_set_debug_level(RIG_DEBUG_WARN);
 
     if (argc > 1) { myrig_model = atoi(argv[1]); }
     else
@@ -19,13 +19,20 @@ int main(int argc, char *argv[])
 
     if (rig == NULL)
     {
+	    printf("Error in rig_init\n");
+	    return 1;
 
     }
 
+#ifdef _WIN32
+    strncpy(rig->state.rigport.pathname, "COM37", HAMLIB_FILPATHLEN - 1);
+#else
     strncpy(rig->state.rigport.pathname, "/dev/ttyUSB0", HAMLIB_FILPATHLEN - 1);
+#endif
     rig->state.rigport.parm.serial.rate = 38400;
     rig_open(rig);
     multicast_init(rig, "224.0.0.1", 4532);
+    printf("threadid=%lld\n", (long long)rig->state.multicast->threadid);
     pthread_join(rig->state.multicast->threadid, NULL);
     pthread_exit(NULL);
     return 0;