Add better dial server logging. (b/27157090)

Change-Id: I7c9a8215ff3ae666890b9c81601f667603da200f
diff --git a/src/server/dial_server.c b/src/server/dial_server.c
index 745dfe2..39e259f 100644
--- a/src/server/dial_server.c
+++ b/src/server/dial_server.c
@@ -489,7 +489,8 @@
                              const struct mg_request_info *request_info) {
     DIALServer *ds = request_info->user_data;
 
-    fprintf(stderr, "Received request %s\n", request_info->uri);
+    fprintf(stderr, "Received %s request %s\n", request_info->request_method,
+            request_info->uri);
     char *host_header = {0,};
     char *origin_header = {0,};
     for (int i = 0; i < request_info->num_headers; ++i) {
@@ -503,8 +504,10 @@
     fprintf(stderr, "Origin %s, Host: %s\n", origin_header, host_header);
     if (event == MG_NEW_REQUEST) {
         // If DIAL is disabled, drop the request
-        if (!dial_allowed())
+        if (!dial_allowed()) {
+          fprintf(stderr, "Dial server is disabled, dropping request\n");
           return "done";
+        }
         // URL ends with run
         if (!strncmp(request_info->uri + strlen(request_info->uri) - 4, RUN_URI,
                      strlen(RUN_URI))) {
diff --git a/src/server/quick_ssdp.c b/src/server/quick_ssdp.c
index 3a399ea..dc47b9e 100644
--- a/src/server/quick_ssdp.c
+++ b/src/server/quick_ssdp.c
@@ -200,6 +200,9 @@
           perror("sendto");
           continue;
         }
+    } else {
+        fprintf(stderr, "Dial server disabled, dropping SSDP reply to %s:%d\n",
+              inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
     }
   }
 }