(svn r20968) -Add: date notification of remote admins (dihedral)

src/network/core/tcp_admin.cpp

@@ -63,6 +63,8 @@ NetworkRecvStatus NetworkAdminSocketHandler::HandlePacket(Packet *p)
 		ADMIN_COMMAND(ADMIN_PACKET_SERVER_NEWGAME)
 		ADMIN_COMMAND(ADMIN_PACKET_SERVER_SHUTDOWN)
 
+		ADMIN_COMMAND(ADMIN_PACKET_SERVER_DATE)
+
 		default:
 			if (this->HasClientQuit()) {
 				DEBUG(net, 0, "[tcp/admin] received invalid packet type %d from '%s' (%s)", type, this->admin_name, this->admin_version);
@@ -120,4 +122,6 @@ DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_WELCOME)
 DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_NEWGAME)
 DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_SHUTDOWN)
 
+DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_DATE)
+
 #endif /* ENABLE_NETWORK */

src/network/core/tcp_admin.h

@@ -39,6 +39,8 @@ enum PacketAdminType {
 	ADMIN_PACKET_SERVER_NEWGAME,         ///< The server tells the admin its going to start a new game.
 	ADMIN_PACKET_SERVER_SHUTDOWN,        ///< The server tells the admin its shutting down.
 
+	ADMIN_PACKET_SERVER_DATE,            ///< The server tells the admin what the current game date is.
+
 	INVALID_ADMIN_PACKET = 0xFF,         ///< An invalid marker for admin packets.
 };
 
@@ -51,6 +53,7 @@ enum AdminStatus {
 
 /** Update types an admin can register a frequency for */
 enum AdminUpdateType {
+	ADMIN_UPDATE_DATE,            ///< Updates about the date of the game.
 	ADMIN_UPDATE_END              ///< Must ALWAYS be on the end of this list!! (period)
 };
 
@@ -152,6 +155,12 @@ protected:
 	 */
 	DECLARE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_SHUTDOWN);
 
+	/**
+	 * Send the current date of the game:
+	 * uint32  Current game date.
+	 */
+	DECLARE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_DATE);
+
 	NetworkRecvStatus HandlePacket(Packet *p);
 public:
 	NetworkRecvStatus CloseConnection(bool error = true);

src/network/network_admin.cpp

@@ -40,6 +40,7 @@ static const int ADMIN_AUTHORISATION_TIMEOUT = 10000;
 
 /** Frequencies, which may be registered for a certain update type. */
 static const AdminUpdateFrequency _admin_update_type_frequencies[] = {
+	ADMIN_FREQUENCY_POLL | ADMIN_FREQUENCY_DAILY | ADMIN_FREQUENCY_WEEKLY | ADMIN_FREQUENCY_MONTHLY | ADMIN_FREQUENCY_QUARTERLY | ADMIN_FREQUENCY_ANUALLY, ///< ADMIN_UPDATE_DATE
 };
 assert_compile(lengthof(_admin_update_type_frequencies) == ADMIN_UPDATE_END);
 
@@ -169,6 +170,16 @@ NetworkRecvStatus ServerNetworkAdminSocketHandler::SendShutdown()
 	return NETWORK_RECV_STATUS_OKAY;
 }
 
+NetworkRecvStatus ServerNetworkAdminSocketHandler::SendDate()
+{
+	Packet *p = new Packet(ADMIN_PACKET_SERVER_DATE);
+
+	p->Send_uint32(_date);
+	this->Send_Packet(p);
+
+	return NETWORK_RECV_STATUS_OKAY;
+}
+
 /***********
  * Receiving functions
  ************/
@@ -231,6 +242,11 @@ DEF_ADMIN_RECEIVE_COMMAND(Server, ADMIN_PACKET_ADMIN_POLL)
 	uint32 d1 = p->Recv_uint32();
 
 	switch (type) {
+		case ADMIN_UPDATE_DATE:
+			/* The admin is requesting the current date. */
+			this->SendDate();
+			break;
+
 		default:
 			/* An unsupported "poll" update type. */
 			DEBUG(net, 3, "[admin] Not supported poll %d (%d) from '%s' (%s).", type, d1, this->admin_name, this->admin_version);
@@ -267,6 +283,10 @@ void NetworkAdminUpdate(AdminUpdateFrequency freq)
 			if (as->update_frequency[i] & freq) {
 				/* Update the admin for the required details */
 				switch (i) {
+					case ADMIN_UPDATE_DATE:
+						as->SendDate();
+						break;
+
 					default: NOT_REACHED();
 				}
 			}

src/network/network_admin.h

@@ -43,6 +43,7 @@ public:
 	NetworkRecvStatus SendWelcome();
 	NetworkRecvStatus SendNewGame();
 	NetworkRecvStatus SendShutdown();
+	NetworkRecvStatus SendDate();
 
 	static void Send();
 	static void AcceptConnection(SOCKET s, const NetworkAddress &address);