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authorrubidium <rubidium@openttd.org>2009-04-05 19:43:41 +0000
committerrubidium <rubidium@openttd.org>2009-04-05 19:43:41 +0000
commit0678cb561dd15a1e557f7c472eae30ed59c84095 (patch)
tree6968c32ee920928ca9dc33468f8e633950ed9eb5
parentebb1ed660101445922e457893516de2394ce44b3 (diff)
downloadopenttd-0678cb561dd15a1e557f7c472eae30ed59c84095.tar.xz
(svn r15961) -Codechange: prepare the 'client' side for receiving 'session keys' from the masterserver so servers can register with multiple IPs as the same server.
-rw-r--r--src/network/core/udp.cpp2
-rw-r--r--src/network/core/udp.h2
-rw-r--r--src/network/network_udp.cpp11
3 files changed, 15 insertions, 0 deletions
diff --git a/src/network/core/udp.cpp b/src/network/core/udp.cpp
index 473d438ea..b2bc7b220 100644
--- a/src/network/core/udp.cpp
+++ b/src/network/core/udp.cpp
@@ -280,6 +280,7 @@ void NetworkUDPSocketHandler::HandleUDPPacket(Packet *p, NetworkAddress *client_
UDP_COMMAND(PACKET_UDP_SERVER_UNREGISTER);
UDP_COMMAND(PACKET_UDP_CLIENT_GET_NEWGRFS);
UDP_COMMAND(PACKET_UDP_SERVER_NEWGRFS);
+ UDP_COMMAND(PACKET_UDP_MASTER_SESSION_KEY);
default:
if (this->HasClientQuit()) {
@@ -315,5 +316,6 @@ DEFINE_UNAVAILABLE_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_RESPONSE_LIST);
DEFINE_UNAVAILABLE_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVER_UNREGISTER);
DEFINE_UNAVAILABLE_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIENT_GET_NEWGRFS);
DEFINE_UNAVAILABLE_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVER_NEWGRFS);
+DEFINE_UNAVAILABLE_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_SESSION_KEY);
#endif /* ENABLE_NETWORK */
diff --git a/src/network/core/udp.h b/src/network/core/udp.h
index 61f0f8f8e..20e228100 100644
--- a/src/network/core/udp.h
+++ b/src/network/core/udp.h
@@ -86,6 +86,7 @@ enum PacketUDPType {
PACKET_UDP_SERVER_UNREGISTER, ///< Request to be removed from the server-list
PACKET_UDP_CLIENT_GET_NEWGRFS, ///< Requests the name for a list of GRFs (GRF_ID and MD5)
PACKET_UDP_SERVER_NEWGRFS, ///< Sends the list of NewGRF's requested.
+ PACKET_UDP_MASTER_SESSION_KEY, ///< Sends a fresh session key to the client
PACKET_UDP_END ///< Must ALWAYS be on the end of this list!! (period)
};
@@ -110,6 +111,7 @@ protected:
DECLARE_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVER_UNREGISTER);
DECLARE_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIENT_GET_NEWGRFS);
DECLARE_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVER_NEWGRFS);
+ DECLARE_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_SESSION_KEY);
void HandleUDPPacket(Packet *p, NetworkAddress *client_addr);
diff --git a/src/network/network_udp.cpp b/src/network/network_udp.cpp
index 77de8fcd2..c1a775d46 100644
--- a/src/network/network_udp.cpp
+++ b/src/network/network_udp.cpp
@@ -28,6 +28,9 @@
ThreadMutex *_network_udp_mutex = ThreadMutex::New();
+/** Session key to register ourselves to the master server */
+static uint64 _session_key = 0;
+
enum {
ADVERTISE_NORMAL_INTERVAL = 30000, // interval between advertising in ticks (15 minutes)
ADVERTISE_RETRY_INTERVAL = 300, // readvertise when no response after this many ticks (9 seconds)
@@ -43,6 +46,7 @@ NetworkUDPSocketHandler *_udp_master_socket = NULL; ///< udp master socket
class MasterNetworkUDPSocketHandler : public NetworkUDPSocketHandler {
protected:
DECLARE_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_ACK_REGISTER);
+ DECLARE_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_SESSION_KEY);
public:
virtual ~MasterNetworkUDPSocketHandler() {}
};
@@ -56,6 +60,12 @@ DEF_UDP_RECEIVE_COMMAND(Master, PACKET_UDP_MASTER_ACK_REGISTER)
if (!_settings_client.network.server_advertise) NetworkUDPRemoveAdvertise();
}
+DEF_UDP_RECEIVE_COMMAND(Master, PACKET_UDP_MASTER_SESSION_KEY)
+{
+ _session_key = p->Recv_uint64();
+ DEBUG(net, 2, "[udp] received new session key from master server");
+}
+
///*** Communication with clients (we are server) ***/
class ServerNetworkUDPSocketHandler : public NetworkUDPSocketHandler {
@@ -503,6 +513,7 @@ void NetworkUDPAdvertiseThread(void *pntr)
p.Send_string(NETWORK_MASTER_SERVER_WELCOME_MESSAGE);
p.Send_uint8 (NETWORK_MASTER_SERVER_VERSION);
p.Send_uint16(_settings_client.network.server_port);
+ p.Send_uint64(_session_key);
_network_udp_mutex->BeginCritical();
if (_udp_master_socket != NULL) _udp_master_socket->SendPacket(&p, &out_addr);