(svn r20935) -Codechange: only let the server side use a pool of connected sockets

src/network/core/tcp_game.cpp

@@ -17,18 +17,10 @@
 
 #include "../network.h"
 #include "../network_internal.h"
-#include "../../core/pool_func.hpp"
 #include "../../debug.h"
 
 #include "table/strings.h"
 
-/** Make very sure the preconditions given in network_type.h are actually followed */
-assert_compile(MAX_CLIENT_SLOTS > MAX_CLIENTS);
-assert_compile(NetworkClientSocketPool::MAX_SIZE == MAX_CLIENT_SLOTS);
-
-NetworkClientSocketPool _networkclientsocket_pool("NetworkClientSocket");
-INSTANTIATE_POOL_METHODS(NetworkClientSocket)
-
 /**
  * Create a new socket for the game connection.
  * @param s The socket to connect with.
@@ -75,7 +67,7 @@ NetworkRecvStatus NetworkGameSocketHandler::CloseConnection(bool error)
  * @param p the packet to handle
  * @return #NetworkRecvStatus of handling.
  */
-NetworkRecvStatus NetworkClientSocket::HandlePacket(Packet *p)
+NetworkRecvStatus NetworkGameSocketHandler::HandlePacket(Packet *p)
 {
 	PacketGameType type = (PacketGameType)p->Recv_uint8();
 
@@ -140,7 +132,7 @@ NetworkRecvStatus NetworkClientSocket::HandlePacket(Packet *p)
  * HandlePacket is returned.
  * @return #NetworkRecvStatus of the last handled packet.
  */
-NetworkRecvStatus NetworkClientSocket::Recv_Packets()
+NetworkRecvStatus NetworkGameSocketHandler::Recv_Packets()
 {
 	Packet *p;
 	while ((p = this->Recv_Packet()) != NULL) {
@@ -158,7 +150,7 @@ NetworkRecvStatus NetworkClientSocket::Recv_Packets()
  * @param type the packet type to create the stub for
  */
 #define DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(type) \
-NetworkRecvStatus NetworkClientSocket::NetworkPacketReceive_## type ##_command(Packet *p) \
+NetworkRecvStatus NetworkGameSocketHandler::NetworkPacketReceive_## type ##_command(Packet *p) \
 { \
 	DEBUG(net, 0, "[tcp/game] received illegal packet type %d from client %d", \
 			type, this->client_id); \

src/network/core/tcp_game.h

@@ -108,16 +108,11 @@ enum ClientStatus {
 	STATUS_END           ///< Must ALWAYS be on the end of this list!! (period)
 };
 
-class NetworkGameSocketHandler;
-typedef NetworkGameSocketHandler NetworkClientSocket;
-typedef Pool<NetworkClientSocket, ClientIndex, 8, MAX_CLIENT_SLOTS> NetworkClientSocketPool;
-extern NetworkClientSocketPool _networkclientsocket_pool;
-
 #define DECLARE_GAME_RECEIVE_COMMAND(type) virtual NetworkRecvStatus NetworkPacketReceive_## type ##_command(Packet *p)
 #define DEF_GAME_RECEIVE_COMMAND(cls, type) NetworkRecvStatus cls ##NetworkGameSocketHandler::NetworkPacketReceive_ ## type ## _command(Packet *p)
 
 /** Base socket handler for all TCP sockets */
-class NetworkGameSocketHandler : public NetworkClientSocketPool::PoolItem<&_networkclientsocket_pool>, public NetworkTCPSocketHandler {
+class NetworkGameSocketHandler : public NetworkTCPSocketHandler {
 /* TODO: rewrite into a proper class */
 private:
 	NetworkClientInfo *info;  ///< Client info related to this socket
@@ -191,9 +186,6 @@ public:
 	void Send_Command(Packet *p, const CommandPacket *cp);
 };
 
-#define FOR_ALL_CLIENT_SOCKETS_FROM(var, start) FOR_ALL_ITEMS_FROM(NetworkClientSocket, clientsocket_index, var, start)
-#define FOR_ALL_CLIENT_SOCKETS(var) FOR_ALL_CLIENT_SOCKETS_FROM(var, 0)
-
 #endif /* ENABLE_NETWORK */
 
 #endif /* NETWORK_CORE_TCP_GAME_H */

src/network/network.cpp

@@ -514,25 +514,23 @@ static void InitializeNetworkPools()
 }
 
 /* Close all current connections */
-static void NetworkClose()
+void NetworkClose()
 {
-	NetworkClientSocket *cs;
-
-	FOR_ALL_CLIENT_SOCKETS(cs) {
-		if (!_network_server) {
-			MyClient::SendQuit();
-			cs->Send_Packets();
-		}
-		cs->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST);
-	}
-
 	if (_network_server) {
+		NetworkClientSocket *cs;
+		FOR_ALL_CLIENT_SOCKETS(cs) {
+			cs->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST);
+		}
 		/* We are a server, also close the listensocket */
 		for (SocketList::iterator s = _listensockets.Begin(); s != _listensockets.End(); s++) {
 			closesocket(s->second);
 		}
 		_listensockets.Clear();
 		DEBUG(net, 1, "[tcp] closed listeners");
+	} else if (MyClient::my_client != NULL) {
+		MyClient::SendQuit();
+		MyClient::my_client->Send_Packets();
+		MyClient::my_client->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST);
 	}
 
 	TCPConnecter::KillAll();

src/network/network_client.h

@@ -17,8 +17,10 @@
 #include "network_internal.h"
 
 /** Class for handling the client side of the game connection. */
-class ClientNetworkGameSocketHandler : public NetworkGameSocketHandler {
+class ClientNetworkGameSocketHandler : public ZeroedMemoryAllocator, public NetworkGameSocketHandler {
 protected:
+	friend void NetworkExecuteLocalCommandQueue();
+	friend void NetworkClose();
 	static ClientNetworkGameSocketHandler *my_client;
 
 	DECLARE_GAME_RECEIVE_COMMAND(PACKET_SERVER_FULL);

src/network/network_command.cpp

@@ -14,6 +14,7 @@
 #include "../stdafx.h"
 #include "../debug.h"
 #include "network_client.h"
+#include "network_server.h"
 #include "network.h"
 #include "../command_func.h"
 #include "../company_func.h"
@@ -179,7 +180,7 @@ void NetworkExecuteLocalCommandQueue()
 {
 	assert(IsLocalCompany());
 
-	CommandQueue &queue = (_network_server ? _local_execution_queue : NetworkClientSocket::Get(0)->incoming_queue);
+	CommandQueue &queue = (_network_server ? _local_execution_queue : ClientNetworkGameSocketHandler::my_client->incoming_queue);
 
 	CommandPacket *cp;
 	while ((cp = queue.Peek()) != NULL) {
@@ -274,7 +275,7 @@ void NetworkDistributeCommands()
  * @param cp the struct to write the data to.
  * @return an error message. When NULL there has been no error.
  */
-const char *NetworkClientSocket::Recv_Command(Packet *p, CommandPacket *cp)
+const char *NetworkGameSocketHandler::Recv_Command(Packet *p, CommandPacket *cp)
 {
 	cp->company = (CompanyID)p->Recv_uint8();
 	cp->cmd     = p->Recv_uint32();
@@ -299,7 +300,7 @@ const char *NetworkClientSocket::Recv_Command(Packet *p, CommandPacket *cp)
  * @param p the packet to send it in.
  * @param cp the packet to actually send.
  */
-void NetworkClientSocket::Send_Command(Packet *p, const CommandPacket *cp)
+void NetworkGameSocketHandler::Send_Command(Packet *p, const CommandPacket *cp)
 {
 	p->Send_uint8 (cp->company);
 	p->Send_uint32(cp->cmd);

src/network/network_internal.h

@@ -50,6 +50,8 @@ extern bool _ddc_fastforward;
 #define _ddc_fastforward (false)
 #endif /* DEBUG_DUMP_COMMANDS */
 
+typedef class ServerNetworkGameSocketHandler NetworkClientSocket;
+
 enum MapPacket {
 	MAP_PACKET_START,
 	MAP_PACKET_NORMAL,

src/network/network_server.cpp

@@ -31,6 +31,7 @@
 #include "../window_func.h"
 #include "../roadveh.h"
 #include "../order_backup.h"
+#include "../core/pool_func.hpp"
 #include "../rev.h"
 
 #include "table/strings.h"
@@ -41,6 +42,13 @@ DECLARE_POSTFIX_INCREMENT(ClientID)
 /** The identifier counter for new clients (is never decreased) */
 static ClientID _network_client_id = CLIENT_ID_FIRST;
 
+/** Make very sure the preconditions given in network_type.h are actually followed */
+assert_compile(MAX_CLIENT_SLOTS > MAX_CLIENTS);
+assert_compile(NetworkClientSocketPool::MAX_SIZE == MAX_CLIENT_SLOTS);
+
+NetworkClientSocketPool _networkclientsocket_pool("NetworkClientSocket");
+INSTANTIATE_POOL_METHODS(NetworkClientSocket)
+
 /**
  * Create a new socket for the server side of the game connection.
  * @param s The socket to connect with.

src/network/network_server.h

@@ -16,8 +16,13 @@
 
 #include "network_internal.h"
 
+class ServerNetworkGameSocketHandler;
+typedef ServerNetworkGameSocketHandler NetworkClientSocket;
+typedef Pool<NetworkClientSocket, ClientIndex, 8, MAX_CLIENT_SLOTS> NetworkClientSocketPool;
+extern NetworkClientSocketPool _networkclientsocket_pool;
+
 /** Class for handling the server side of the game connection. */
-class ServerNetworkGameSocketHandler : public NetworkGameSocketHandler {
+class ServerNetworkGameSocketHandler : public NetworkClientSocketPool::PoolItem<&_networkclientsocket_pool>, public NetworkGameSocketHandler {
 protected:
 	DECLARE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_JOIN);
 	DECLARE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO);
@@ -54,6 +59,9 @@ DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_MOVE)(NetworkClientSocket *cs, uint1
 void NetworkServer_ReadPackets(NetworkClientSocket *cs);
 void NetworkServer_Tick(bool send_frame);
 
+#define FOR_ALL_CLIENT_SOCKETS_FROM(var, start) FOR_ALL_ITEMS_FROM(NetworkClientSocket, clientsocket_index, var, start)
+#define FOR_ALL_CLIENT_SOCKETS(var) FOR_ALL_CLIENT_SOCKETS_FROM(var, 0)
+
 #else /* ENABLE_NETWORK */
 /* Network function stubs when networking is disabled */