Honor c->is_resp with Connection:close

Author: scaprile

mongoose.c

@@ -3310,7 +3310,7 @@ static void http_cb(struct mg_connection *c, int ev, void *ev_data) {
 
       if (c->is_accepted) c->is_resp = 1;  // Start generating response
       mg_call(c, MG_EV_HTTP_MSG, &hm);     // User handler can clear is_resp
-      if (c->is_accepted) {
+      if (c->is_accepted && !c->is_resp) {
         struct mg_str *cc = mg_http_get_header(&hm, "Connection");
         if (cc != NULL && mg_strcasecmp(*cc, mg_str("close")) == 0) {
           c->is_draining = 1;  // honor "Connection: close"

src/http.c

@@ -1094,7 +1094,7 @@ static void http_cb(struct mg_connection *c, int ev, void *ev_data) {
 
       if (c->is_accepted) c->is_resp = 1;  // Start generating response
       mg_call(c, MG_EV_HTTP_MSG, &hm);     // User handler can clear is_resp
-      if (c->is_accepted) {
+      if (c->is_accepted && !c->is_resp) {
         struct mg_str *cc = mg_http_get_header(&hm, "Connection");
         if (cc != NULL && mg_strcasecmp(*cc, mg_str("close")) == 0) {
           c->is_draining = 1;  // honor "Connection: close"