Added debugging mode to the protocol

Allows inspection of message data. It is off by default since it consumes
additional bandwidth, but it can be turned on using the net_debugMode option
in manaserv.xml.

Currently the option only affects outgoing data for each host individually.
In particular, enabling this debug mode for the server does not automatically
make the client annotate its messages.

Reviewed-by: Erik Schilling

2 files changed, 13 insertions, 10 deletions

diff --git a/src/account-server/main-account.cpp b/src/account-server/main-account.cpp
index 44e65c4..65c5efd 100644
--- a/src/account-server/main-account.cpp
+++ b/src/account-server/main-account.cpp
@@ -345,6 +345,9 @@ int main(int argc, char *argv[])
     int chatClientPort = Configuration::getValue("net_chatListenToClientPort",
                                                  options.port + 2);
 
+    bool debugNetwork = Configuration::getBoolValue("net_debugMode", false);
+    MessageOut::setDebugModeEnabled(debugNetwork);
+
     if (!AccountClientHandler::initialize(DEFAULT_ATTRIBUTEDB_FILE,
                                           options.port, accountHost) ||
         !GameServerHandler::initialize(accountGamePort, accountHost) ||
diff --git a/src/account-server/serverhandler.cpp b/src/account-server/serverhandler.cpp
index a7d87da..c938324 100644
--- a/src/account-server/serverhandler.cpp
+++ b/src/account-server/serverhandler.cpp
@@ -172,7 +172,6 @@ void GameServerHandler::registerClient(const std::string &token,
 
 void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
 {
-    MessageOut result;
     GameServer *server = static_cast<GameServer *>(comp);
 
     switch (msg.getId())
@@ -322,11 +321,12 @@ void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
                 if (GameServer *s = getGameServerFromMap(mapId))
                 {
                     registerGameClient(s, magic_token, ptr);
-                    result.writeInt16(AGMSG_REDIRECT_RESPONSE);
+                    MessageOut result(AGMSG_REDIRECT_RESPONSE);
                     result.writeInt32(id);
                     result.writeString(magic_token, MAGIC_TOKEN_LENGTH);
                     result.writeString(s->address);
                     result.writeInt16(s->port);
+                    comp->send(result);
                 }
                 else
                 {
@@ -366,10 +366,11 @@ void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
             int id = msg.readInt32();
             std::string name = msg.readString();
             std::string value = storage->getQuestVar(id, name);
-            result.writeInt16(AGMSG_GET_VAR_CHR_RESPONSE);
+            MessageOut result(AGMSG_GET_VAR_CHR_RESPONSE);
             result.writeInt32(id);
             result.writeString(name);
             result.writeString(value);
+            comp->send(result);
         } break;
 
         case GAMSG_SET_VAR_CHR:
@@ -463,7 +464,7 @@ void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
         {
             // Retrieve the post for user
             LOG_DEBUG("GCMSG_REQUEST_POST");
-            result.writeInt16(CGMSG_POST_RESPONSE);
+            MessageOut result(CGMSG_POST_RESPONSE);
 
             // get the character id
             int characterId = msg.readInt32();
@@ -505,13 +506,14 @@ void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
                 postalManager->clearPost(ptr);
             }
 
+            comp->send(result);
         } break;
 
         case GCMSG_STORE_POST:
         {
             // Store the letter for the user
             LOG_DEBUG("GCMSG_STORE_POST");
-            result.writeInt16(CGMSG_STORE_POST_RESPONSE);
+            MessageOut result(CGMSG_STORE_POST_RESPONSE);
 
             // get the sender and receiver
             int senderId = msg.readInt32();
@@ -554,6 +556,7 @@ void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
             postalManager->addLetter(letter);
 
             result.writeInt8(ERRMSG_OK);
+            comp->send(result);
         } break;
 
         case GAMSG_TRANSACTION:
@@ -613,13 +616,10 @@ void ServerHandler::processMessage(NetComputer *comp, MessageIn &msg)
         default:
             LOG_WARN("ServerHandler::processMessage, Invalid message type: "
                      << msg.getId());
-            result.writeInt16(XXMSG_INVALID);
+            MessageOut result(XXMSG_INVALID);
+            comp->send(result);
             break;
     }
-
-    // return result
-    if (result.getLength() > 0)
-        comp->send(result);
 }
 
 void GameServerHandler::dumpStatistics(std::ostream &os)