(svn r20975) -Add: logging of console output for remote admins (dihedral)

src/network/core/tcp_admin.cpp

@@ -79,6 +79,7 @@ NetworkRecvStatus NetworkAdminSocketHandler::HandlePacket(Packet *p)
 		ADMIN_COMMAND(ADMIN_PACKET_SERVER_COMPANY_STATS)
 		ADMIN_COMMAND(ADMIN_PACKET_SERVER_CHAT)
 		ADMIN_COMMAND(ADMIN_PACKET_SERVER_RCON)
+		ADMIN_COMMAND(ADMIN_PACKET_SERVER_CONSOLE)
 
 		default:
 			if (this->HasClientQuit()) {
@@ -153,5 +154,6 @@ DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_COMPANY_ECONOMY)
 DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_COMPANY_STATS)
 DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_CHAT)
 DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_RCON)
+DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_CONSOLE)
 
 #endif /* ENABLE_NETWORK */

src/network/core/tcp_admin.h

@@ -55,6 +55,7 @@ enum PacketAdminType {
 	ADMIN_PACKET_SERVER_COMPANY_STATS,   ///< The server gives the admin some statistics about a company.
 	ADMIN_PACKET_SERVER_CHAT,            ///< The server received a chat message and relays it.
 	ADMIN_PACKET_SERVER_RCON,            ///< The server's reply to a remove console command.
+	ADMIN_PACKET_SERVER_CONSOLE,         ///< The server gives the admin the data that got printed to its console.
 
 	INVALID_ADMIN_PACKET = 0xFF,         ///< An invalid marker for admin packets.
 };
@@ -74,6 +75,7 @@ enum AdminUpdateType {
 	ADMIN_UPDATE_COMPANY_ECONOMY, ///< Updates about the economy of companies.
 	ADMIN_UPDATE_COMPANY_STATS,   ///< Updates about the statistics of companies.
 	ADMIN_UPDATE_CHAT,            ///< The admin would like to have chat messages.
+	ADMIN_UPDATE_CONSOLE,         ///< The admin would like to have console messages.
 	ADMIN_UPDATE_END              ///< Must ALWAYS be on the end of this list!! (period)
 };
 
@@ -331,6 +333,13 @@ protected:
 	 */
 	DECLARE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_RCON);
 
+	/**
+	 * Send what would be printed on the server's console also into the admin network.
+	 * string  The origin of the text, e.g. "console" for console, or "net" for network related (debug) messages.
+	 * string  Text as found on the console of the server.
+	 */
+	DECLARE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_CONSOLE);
+
 	NetworkRecvStatus HandlePacket(Packet *p);
 public:
 	NetworkRecvStatus CloseConnection(bool error = true);

src/network/network_admin.cpp

@@ -49,6 +49,7 @@ static const AdminUpdateFrequency _admin_update_type_frequencies[] = {
 	ADMIN_FREQUENCY_POLL |                         ADMIN_FREQUENCY_WEEKLY | ADMIN_FREQUENCY_MONTHLY | ADMIN_FREQUENCY_QUARTERLY | ADMIN_FREQUENCY_ANUALLY, ///< ADMIN_UPDATE_COMPANY_ECONOMY
 	ADMIN_FREQUENCY_POLL |                         ADMIN_FREQUENCY_WEEKLY | ADMIN_FREQUENCY_MONTHLY | ADMIN_FREQUENCY_QUARTERLY | ADMIN_FREQUENCY_ANUALLY, ///< ADMIN_UPDATE_COMPANY_STATS
 	                       ADMIN_FREQUENCY_AUTOMATIC,                                                                                                      ///< ADMIN_UPDATE_CHAT
+	                       ADMIN_FREQUENCY_AUTOMATIC,                                                                                                      ///< ADMIN_UPDATE_CONSOLE
 };
 assert_compile(lengthof(_admin_update_type_frequencies) == ADMIN_UPDATE_END);
 
@@ -430,6 +431,23 @@ DEF_ADMIN_RECEIVE_COMMAND(Server, ADMIN_PACKET_ADMIN_RCON)
 	return NETWORK_RECV_STATUS_OKAY;
 }
 
+NetworkRecvStatus ServerNetworkAdminSocketHandler::SendConsole(const char *origin, const char *string)
+{
+	/* If the length of both strings, plus the 2 '\0' terminations and 3 bytes of the packet
+	 * are bigger than the MTU, just ignore the message. Better safe than sorry. It should
+	 * never occur though as the longest strings are chat messages, which are still 30%
+	 * smaller than SEND_MTU. */
+	if (strlen(origin) + strlen(string) + 2 + 3 >= SEND_MTU) return NETWORK_RECV_STATUS_OKAY;
+
+	Packet *p = new Packet(ADMIN_PACKET_SERVER_CONSOLE);
+
+	p->Send_string(origin);
+	p->Send_string(string);
+	this->Send_Packet(p);
+
+	return NETWORK_RECV_STATUS_OKAY;
+}
+
 /***********
  * Receiving functions
  ************/
@@ -713,6 +731,21 @@ void NetworkServerSendAdminRcon(AdminIndex admin_index, ConsoleColour colour_cod
 	ServerNetworkAdminSocketHandler::Get(admin_index)->SendRcon(colour_code, string);
 }
 
+/**
+ * Send console to the admin network (if they did opt in for the respective update).
+ * @param origin the origin of the message.
+ * @param string the message as printed on the console.
+ */
+void NetworkAdminConsole(const char *origin, const char *string)
+{
+	ServerNetworkAdminSocketHandler *as;
+	FOR_ALL_ADMIN_SOCKETS(as) {
+		if (as->update_frequency[ADMIN_UPDATE_CONSOLE] & ADMIN_FREQUENCY_AUTOMATIC) {
+			as->SendConsole(origin, string);
+		}
+	}
+}
+
 /**
  * Send a Welcome packet to all connected admins
  */

src/network/network_admin.h

@@ -63,6 +63,7 @@ public:
 
 	NetworkRecvStatus SendChat(NetworkAction action, DestType desttype, ClientID client_id, const char *msg, int64 data);
 	NetworkRecvStatus SendRcon(uint16 colour, const char *command);
+	NetworkRecvStatus SendConsole(const char *origin, const char *command);
 
 	static void Send();
 	static void AcceptConnection(SOCKET s, const NetworkAddress &address);
@@ -93,6 +94,7 @@ void NetworkAdminCompanyRemove(CompanyID company_id, AdminCompanyRemoveReason bc
 void NetworkAdminChat(NetworkAction action, DestType desttype, ClientID client_id, const char *msg, int64 data = 0, bool from_admin = false);
 void NetworkAdminUpdate(AdminUpdateFrequency freq);
 void NetworkServerSendAdminRcon(AdminIndex admin_index, ConsoleColour colour_code, const char *string);
+void NetworkAdminConsole(const char *origin, const char *string);
 
 #endif /* ENABLE_NETWORK */
 #endif /* NETWORK_ADMIN_H */