cpp/openttd-patchpack/source Changeset - r18895:278eef2e977c

Changeset - r18895:278eef2e977c

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rubidium - 13 years ago 2012-01-05 17:08:49
rubidium@openttd.org

(svn r23754) -Fix (r23752): the locks aren't reentrant

1 file changed with 65 insertions and 55 deletions:

src/network/network_udp.cpp

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src/network/network_udp.cpp

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@@ @@ -48,6 +48,70 @@ NetworkUDPSocketHandler *_udp_client_soc @@
 NetworkUDPSocketHandler *_udp_server_socket = NULL; ///< udp server socket
 NetworkUDPSocketHandler *_udp_master_socket = NULL; ///< udp master socket
 /** Simpler wrapper struct for NetworkUDPQueryServerThread */
 struct NetworkUDPQueryServerInfo : NetworkAddress {
 	bool manually; ///< Did we connect manually or not?
 	/**
 	 * Create the structure.
 	 * @param address The address of the server to query.
 	 * @param manually Whether the address was entered manually.
 	 */
 	NetworkUDPQueryServerInfo(const NetworkAddress &address, bool manually) :
 		NetworkAddress(address),
 		manually(manually)
+	{
+	}
 };
 /**
  * Helper function doing the actual work for querying the server.
  * @param address The address of the server.
  * @param needs_mutex Whether we need to acquire locks when sending the packet or not.
  * @param manually Whether the address was entered manually.
  */
 static void NetworkUDPQueryServer(NetworkAddress *address, bool needs_mutex, bool manually)
+{
 	/* Clear item in gamelist */
 	NetworkGameList *item = CallocT<NetworkGameList>(1);
 	address->GetAddressAsString(item->info.server_name, lastof(item->info.server_name));
 	strecpy(item->info.hostname, address->GetHostname(), lastof(item->info.hostname));
 	item->address = *address;
 	item->manually = manually;
 	NetworkGameListAddItemDelayed(item);
 	if (needs_mutex) _network_udp_mutex->BeginCritical();
 	/* Init the packet */
 	Packet p(PACKET_UDP_CLIENT_FIND_SERVER);
 	if (_udp_client_socket != NULL) _udp_client_socket->SendPacket(&p, address);
 	if (needs_mutex) _network_udp_mutex->EndCritical();
+}
 /**
  * Threaded part for resolving the IP of a server and querying it.
  * @param pntr the NetworkUDPQueryServerInfo.
  */
 static void NetworkUDPQueryServerThread(void *pntr)
+{
 	NetworkUDPQueryServerInfo *info = (NetworkUDPQueryServerInfo*)pntr;
 	NetworkUDPQueryServer(info, true, info->manually);
 	delete info;
+}
 /**
  * Query a specific server.
  * @param address The address of the server.
  * @param manually Whether the address was entered manually.
  */
 void NetworkUDPQueryServer(NetworkAddress address, bool manually)
+{
 	NetworkUDPQueryServerInfo *info = new NetworkUDPQueryServerInfo(address, manually);
 	if (address.IsResolved() || !ThreadObject::New(NetworkUDPQueryServerThread, info)) {
 		NetworkUDPQueryServerThread(info);
+	}
+}
 ///*** Communication with the masterserver ***/
 /** Helper class for connecting to the master server. */
@@ @@ -364,7 +428,7 @@ void ClientNetworkUDPSocketHandler::Rece @@
 			/* Somehow we reached the end of the packet */
 			if (this->HasClientQuit()) return;
 			NetworkUDPQueryServer(addr);
+			NetworkUDPQueryServer(&addr, false, false);
+		}
+	}
+}
@@ @@ -468,60 +532,6 @@ void NetworkUDPSearchGame() @@
 	_network_udp_broadcast = 300; // Stay searching for 300 ticks
+}
 /** Simpler wrapper struct for NetworkUDPQueryServerThread */
 struct NetworkUDPQueryServerInfo : NetworkAddress {
 	bool manually; ///< Did we connect manually or not?
 	/**
 	 * Create the structure.
 	 * @param address The address of the server to query.
 	 * @param manually Whether the address was entered manually.
 	 */
 	NetworkUDPQueryServerInfo(const NetworkAddress &address, bool manually) :
 		NetworkAddress(address),
 		manually(manually)
+	{
+	}
 };
 /**
  * Threaded part for resolving the IP of a server and querying it.
  * @param pntr the NetworkUDPQueryServerInfo.
  */
 static void NetworkUDPQueryServerThread(void *pntr)
+{
 	NetworkUDPQueryServerInfo *info = (NetworkUDPQueryServerInfo*)pntr;
 	/* Clear item in gamelist */
 	NetworkGameList *item = CallocT<NetworkGameList>(1);
 	info->GetAddressAsString(item->info.server_name, lastof(item->info.server_name));
 	strecpy(item->info.hostname, info->GetHostname(), lastof(item->info.hostname));
 	item->address = *info;
 	item->manually = info->manually;
 	NetworkGameListAddItemDelayed(item);
 	_network_udp_mutex->BeginCritical();
 	/* Init the packet */
 	Packet p(PACKET_UDP_CLIENT_FIND_SERVER);
 	if (_udp_client_socket != NULL) _udp_client_socket->SendPacket(&p, info);
 	_network_udp_mutex->EndCritical();
 	delete info;
+}
 /**
  * Query a specific server.
  * @param address The address of the server.
  * @param manually Whether the address was entered manually.
  */
 void NetworkUDPQueryServer(NetworkAddress address, bool manually)
+{
 	NetworkUDPQueryServerInfo *info = new NetworkUDPQueryServerInfo(address, manually);
 	if (address.IsResolved() || !ThreadObject::New(NetworkUDPQueryServerThread, info)) {
 		NetworkUDPQueryServerThread(info);
+	}
+}
 /**
  * Thread entry point for de-advertising.
  * @param pntr unused.

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