revert BeginRefreshHost()

Classes/gframe/duelclient.cpp

@@ -4164,36 +4164,58 @@ void DuelClient::BeginRefreshHost() {
 	remotes.clear();
 	hosts.clear();
 	event_base* broadev = event_base_new();
-	char hname[256];
+#ifdef _IRR_ANDROID_PLATFORM_
+    //get local ip address in android style
+    int ipaddr = android::getLocalAddr(mainGame->appMain);
+    if (ipaddr == -1) {
+        return;
+    }
+#else
+    char hname[256];
 	gethostname(hname, 256);
 	hostent* host = gethostbyname(hname);
 	if(!host)
 		return;
-	SOCKET reply = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-	sockaddr_in reply_addr;
-	memset(&reply_addr, 0, sizeof(reply_addr));
-	reply_addr.sin_family = AF_INET;
-	reply_addr.sin_port = htons(7921);
-	reply_addr.sin_addr.s_addr = 0;
-	if(bind(reply, (sockaddr*)&reply_addr, sizeof(reply_addr)) == SOCKET_ERROR) {
-		closesocket(reply);
-		return;
-	}
-	timeval timeout = {3, 0};
-	resp_event = event_new(broadev, reply, EV_TIMEOUT | EV_READ | EV_PERSIST, BroadcastReply, broadev);
-	event_add(resp_event, &timeout);
-	std::thread(RefreshThread, broadev).detach();
-	//send request
-	SOCKADDR_IN local;
-	local.sin_family = AF_INET;
-	local.sin_port = htons(7922);
-	SOCKADDR_IN sockTo;
-	sockTo.sin_addr.s_addr = htonl(INADDR_BROADCAST);
-	sockTo.sin_family = AF_INET;
-	sockTo.sin_port = htons(7920);
-	HostRequest hReq;
-	hReq.identifier = NETWORK_CLIENT_ID;
-	for(int i = 0; i < 8; ++i) {
+#endif
+    SOCKET reply = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    sockaddr_in reply_addr;
+    memset(&reply_addr, 0, sizeof(reply_addr));
+    reply_addr.sin_family = AF_INET;
+    reply_addr.sin_port = htons(7921);
+    reply_addr.sin_addr.s_addr = 0;
+    if(bind(reply, (sockaddr*)&reply_addr, sizeof(reply_addr)) == SOCKET_ERROR) {
+        closesocket(reply);
+        return;
+    }
+    timeval timeout = {3, 0};
+    resp_event = event_new(broadev, reply, EV_TIMEOUT | EV_READ | EV_PERSIST, BroadcastReply, broadev);
+    event_add(resp_event, &timeout);
+    std::thread(RefreshThread, broadev).detach();
+    //send request
+    SOCKADDR_IN local;
+    local.sin_family = AF_INET;
+    local.sin_port = htons(7922);
+    SOCKADDR_IN sockTo;
+    sockTo.sin_addr.s_addr = htonl(INADDR_BROADCAST);
+    sockTo.sin_family = AF_INET;
+    sockTo.sin_port = htons(7920);
+    HostRequest hReq;
+    hReq.identifier = NETWORK_CLIENT_ID;
+#ifdef _IRR_ANDROID_PLATFORM_
+    local.sin_addr.s_addr = ipaddr;
+    SOCKET sSend = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    if (sSend == INVALID_SOCKET)
+        return;
+    int opt = TRUE;
+    setsockopt(sSend, SOL_SOCKET, SO_BROADCAST, (const char*) &opt, sizeof opt);
+    if (bind(sSend, (sockaddr*) &local, sizeof(sockaddr)) == SOCKET_ERROR) {
+        closesocket(sSend);
+        return;
+    }
+    sendto(sSend, (const char*) &hReq, sizeof(HostRequest), 0, (sockaddr*) &sockTo, sizeof(sockaddr));
+    closesocket(sSend);
+#else
+    for(int i = 0; i < 8; ++i) {
 		if(host->h_addr_list[i] == 0)
 			break;
 		unsigned int local_addr = 0;
@@ -4211,6 +4233,7 @@ void DuelClient::BeginRefreshHost() {
 		sendto(sSend, (const char*)&hReq, sizeof(HostRequest), 0, (sockaddr*)&sockTo, sizeof(sockaddr));
 		closesocket(sSend);
 	}
+#endif
 }
 int DuelClient::RefreshThread(event_base* broadev) {
 	event_base_dispatch(broadev);