mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
Suppressed echoes in chat lobbies by:
- adding a time stamp to lobby events (new item tag) - controllign time stamp of lobby msg and event: drop packets if time is older than cache duration. - moved connexion challenge code to lobby management loop - added new type of lobby invite to handle connexion challenges and avoid false invitations in the GUI New lobby event format is not backward compatible -> "peer typing" and "peer joined/left" will need the new version. Messages are still compatible) git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4859 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler
parent
6de8541a4e
commit
c3be19227d
@ -68,8 +68,9 @@
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#define RS_MSGTAGTYPE_LATER 5
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#define RS_MSGTAGTYPE_USER 100
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#define RS_CHAT_LOBBY_PRIVACY_LEVEL_PUBLIC 1 /* lobby is visible by friends. Friends can connect.*/
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#define RS_CHAT_LOBBY_PRIVACY_LEVEL_PRIVATE 2 /* lobby invisible by friends. Peers on invitation only .*/
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#define RS_CHAT_LOBBY_PRIVACY_LEVEL_CHALLENGE 0 /* Used to accept connexion challenges only. */
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#define RS_CHAT_LOBBY_PRIVACY_LEVEL_PUBLIC 1 /* lobby is visible by friends. Friends can connect.*/
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#define RS_CHAT_LOBBY_PRIVACY_LEVEL_PRIVATE 2 /* lobby invisible by friends. Peers on invitation only .*/
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typedef uint64_t ChatLobbyId ;
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typedef uint64_t ChatLobbyMsgId ;
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@ -46,7 +46,7 @@ std::ostream& RsChatMsgItem::print(std::ostream &out, uint16_t indent)
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out << "QblogMs " << chatFlags << std::endl;
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printIndent(out, int_Indent);
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out << "sendTime: " << sendTime << std::endl;
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out << "sendTime: " << sendTime << " (" << time(NULL)-sendTime << " secs ago)" << std::endl;
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printIndent(out, int_Indent);
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@ -97,6 +97,7 @@ std::ostream& RsChatLobbyEventItem::print(std::ostream &out, uint16_t indent)
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RsChatLobbyBouncingObject::print(out,indent) ;
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printIndent(out, indent); out << "Event type : " << event_type << std::endl;
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printIndent(out, indent); out << "String param: " << string1 << std::endl;
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printIndent(out, indent); out << "Send time: " << sendTime << " (" << time(NULL)-sendTime << " secs ago)" << std::endl;
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printRsItemEnd(out, "RsChatLobbyEventItem", indent);
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return out;
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}
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@ -148,7 +149,7 @@ std::ostream& RsPrivateChatMsgConfigItem::print(std::ostream &out, uint16_t inde
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out << "QblogMs " << configFlags << std::endl;
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printIndent(out, int_Indent);
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out << "sendTime: " << sendTime << std::endl;
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out << "sendTime: " << sendTime << " (" << time(NULL)-sendTime << " secs ago)" << std::endl;
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printIndent(out, int_Indent);
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@ -271,6 +272,7 @@ uint32_t RsChatLobbyEventItem::serial_size()
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s += RsChatLobbyBouncingObject::serial_size() ;
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s += 1 ; // event_type
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s += GetTlvStringSize(string1) ; // string1
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s += 4 ; // send time
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return s ;
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}
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@ -506,6 +508,7 @@ bool RsChatLobbyEventItem::serialise(void *data, uint32_t& pktsize)
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ok &= RsChatLobbyBouncingObject::serialise(data,tlvsize,offset) ; // first, serialize parent
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ok &= setRawUInt8(data, tlvsize, &offset, event_type);
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ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_NAME, string1);
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ok &= setRawUInt32(data, tlvsize, &offset, sendTime);
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pktsize = tlvsize ;
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@ -752,7 +755,7 @@ RsChatMsgItem::RsChatMsgItem(void *data,uint32_t /*size*/,uint8_t subtype)
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#ifdef CHAT_DEBUG
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std::cerr << "Building new chat msg item." << std::endl ;
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#endif
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if (getRsItemSubType(getRsItemId(data)) == subtype && offset != rssize)
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if (getRsItemSubType(getRsItemId(data)) == RS_PKT_SUBTYPE_DEFAULT && offset != rssize)
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std::cerr << "Size error while deserializing." << std::endl ;
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if (!ok)
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std::cerr << "Unknown error while deserializing." << std::endl ;
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@ -841,6 +844,7 @@ RsChatLobbyEventItem::RsChatLobbyEventItem(void *data,uint32_t /*size*/)
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ok &= getRawUInt8(data, rssize, &offset, &event_type);
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ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_NAME, string1);
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ok &= getRawUInt32(data, rssize, &offset, &sendTime);
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#ifdef CHAT_DEBUG
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std::cerr << "Building new chat lobby status item." << std::endl ;
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@ -56,11 +56,12 @@ const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_INVITE_DEPREC = 0x07 ; // don't use ! De
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_ACCEPT = 0x08 ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_CHALLENGE = 0x09 ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_UNSUBSCRIBE = 0x0A ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_EVENT = 0x0B ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_EVENT_DEPREC = 0x0B ; // don't use ! Deprecated
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_MSG = 0x0C ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_LIST_REQUEST = 0x0D ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_LIST = 0x0E ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_INVITE = 0x0F ;
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const uint8_t RS_PKT_SUBTYPE_CHAT_LOBBY_EVENT = 0x10 ;
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// for defining tags themselves and msg tags
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const uint8_t RS_PKT_SUBTYPE_MSG_TAG_TYPE = 0x03;
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@ -167,6 +168,7 @@ class RsChatLobbyEventItem: public RsChatItem, public RsChatLobbyBouncingObject
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//
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uint8_t event_type ; // used for defining the type of event.
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std::string string1; // used for any string
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uint32_t sendTime; // used to check for old looping messages
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};
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class RsChatLobbyListRequestItem: public RsChatItem
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@ -39,7 +39,6 @@
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/****
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* #define CHAT_DEBUG 1
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****/
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#define CHAT_DEBUG 1
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static const int CONNECTION_CHALLENGE_MAX_COUNT = 20 ; // sends a connexion challenge every 20 messages
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static const int CONNECTION_CHALLENGE_MIN_DELAY = 15 ; // sends a connexion at most every 15 seconds
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@ -708,6 +707,15 @@ void p3ChatService::handleRecvChatLobbyEventItem(RsChatLobbyEventItem *item)
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std::cerr << "Received ChatLobbyEvent item of type " << (int)(item->event_type) << ", and string=" << item->string1 << std::endl;
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#endif
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if(time(NULL)+100 > item->sendTime + MAX_KEEP_MSG_RECORD) // the message is older than the max cache keep minus 100 seconds ! It's too old, and is going to make an echo!
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{
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std::cerr << "Received severely outdated lobby event item! Dropping it!" << std::endl;
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std::cerr << "Message item is:" << std::endl;
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item->print(std::cerr) ;
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std::cerr << std::endl;
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return ;
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}
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if(! bounceLobbyObject(item,item->PeerId()))
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return ;
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@ -811,6 +819,15 @@ bool p3ChatService::handleRecvChatMsgItem(RsChatMsgItem *ci)
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return true ;
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}
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if(now+100 > cli->sendTime + MAX_KEEP_MSG_RECORD) // the message is older than the max cache keep plus 100 seconds ! It's too old, and is going to make an echo!
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{
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std::cerr << "Received severely outdated message!Dropping it!" << std::endl;
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std::cerr << "Message item is:" << std::endl;
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cli->print(std::cerr) ;
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std::cerr << std::endl;
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return false ;
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}
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if(!bounceLobbyObject(cli,cli->PeerId())) // forwards the message to friends, keeps track of subscribers, etc.
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return false;
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@ -1615,88 +1632,72 @@ void p3ChatService::statusChange(const std::list<pqipeer> &plist)
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//
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bool p3ChatService::bounceLobbyObject(RsChatLobbyBouncingObject *item,const std::string& peer_id)
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{
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bool send_challenge = false ;
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ChatLobbyId send_challenge_lobby ;
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time_t now = time(NULL) ;
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RsStackMutex stack(mChatMtx); /********** STACK LOCKED MTX ******/
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#ifdef CHAT_DEBUG
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locked_printDebugInfo() ; // debug
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std::cerr << "Handling ChatLobbyMsg " << std::hex << item->msg_id << ", lobby id " << item->lobby_id << ", from peer id " << peer_id << std::endl;
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#endif
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// send upward for display
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std::map<ChatLobbyId,ChatLobbyEntry>::iterator it(_chat_lobbys.find(item->lobby_id)) ;
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if(it == _chat_lobbys.end())
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{
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RsStackMutex stack(mChatMtx); /********** STACK LOCKED MTX ******/
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#ifdef CHAT_DEBUG
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locked_printDebugInfo() ; // debug
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std::cerr << "Handling ChatLobbyMsg " << std::hex << item->msg_id << ", lobby id " << item->lobby_id << ", from peer id " << peer_id << std::endl;
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#endif
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// send upward for display
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std::map<ChatLobbyId,ChatLobbyEntry>::iterator it(_chat_lobbys.find(item->lobby_id)) ;
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if(it == _chat_lobbys.end())
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{
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std::cerr << "Chatlobby for id " << std::hex << item->lobby_id << " has no record. Dropping the msg." << std::dec << std::endl;
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return false ;
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}
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ChatLobbyEntry& lobby(it->second) ;
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time_t now = time(NULL) ;
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// Adds the peer id to the list of friend participants, even if it's not original msg source
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if(peer_id != mLinkMgr->getOwnId())
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lobby.participating_friends.insert(peer_id) ;
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lobby.nick_names[item->nick] = now ;
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// Checks wether the msg is already recorded or not
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std::map<ChatLobbyMsgId,time_t>::iterator it2(lobby.msg_cache.find(item->msg_id)) ;
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if(it2 != lobby.msg_cache.end()) // found!
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{
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#ifdef CHAT_DEBUG
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std::cerr << " Msg already received at time " << it2->second << ". Dropping!" << std::endl ;
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#endif
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it2->second = now ; // update last msg seen time, to prevent echos.
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return false ;
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}
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#ifdef CHAT_DEBUG
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std::cerr << " Msg already not received already. Adding in cache, and forwarding!" << std::endl ;
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#endif
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lobby.msg_cache[item->msg_id] = now ;
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lobby.last_activity = now ;
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bool is_message = (NULL != dynamic_cast<RsChatLobbyMsgItem*>(item)) ;
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// Forward to allparticipating friends, except this peer.
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for(std::set<std::string>::const_iterator it(lobby.participating_friends.begin());it!=lobby.participating_friends.end();++it)
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if((*it)!=peer_id && mLinkMgr->isOnline(*it))
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{
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RsChatLobbyBouncingObject *obj2 = item->duplicate() ; // makes a copy
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RsChatItem *item2 = dynamic_cast<RsChatItem*>(obj2) ;
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assert(item2 != NULL) ;
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item2->PeerId(*it) ; // replaces the virtual peer id with the actual destination.
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if(is_message)
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checkSizeAndSendMessage(static_cast<RsChatLobbyMsgItem*>(item2)) ;
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else
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sendItem(item2);
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}
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if(++lobby.connexion_challenge_count > CONNECTION_CHALLENGE_MAX_COUNT && now > lobby.last_connexion_challenge_time + CONNECTION_CHALLENGE_MIN_DELAY)
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{
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lobby.connexion_challenge_count = 0 ;
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send_challenge_lobby = item->lobby_id ;
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send_challenge = true ;
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lobby.last_connexion_challenge_time = now ;
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}
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std::cerr << "Chatlobby for id " << std::hex << item->lobby_id << " has no record. Dropping the msg." << std::dec << std::endl;
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return false ;
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}
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ChatLobbyEntry& lobby(it->second) ;
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if(send_challenge)
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sendConnectionChallenge(send_challenge_lobby) ;
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// Adds the peer id to the list of friend participants, even if it's not original msg source
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if(peer_id != mLinkMgr->getOwnId())
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lobby.participating_friends.insert(peer_id) ;
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lobby.nick_names[item->nick] = now ;
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// Checks wether the msg is already recorded or not
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std::map<ChatLobbyMsgId,time_t>::iterator it2(lobby.msg_cache.find(item->msg_id)) ;
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if(it2 != lobby.msg_cache.end()) // found!
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{
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#ifdef CHAT_DEBUG
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std::cerr << " Msg already received at time " << it2->second << ". Dropping!" << std::endl ;
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#endif
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it2->second = now ; // update last msg seen time, to prevent echos.
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return false ;
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}
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#ifdef CHAT_DEBUG
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std::cerr << " Msg already not received already. Adding in cache, and forwarding!" << std::endl ;
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#endif
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lobby.msg_cache[item->msg_id] = now ;
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lobby.last_activity = now ;
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bool is_message = (NULL != dynamic_cast<RsChatLobbyMsgItem*>(item)) ;
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// Forward to allparticipating friends, except this peer.
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for(std::set<std::string>::const_iterator it(lobby.participating_friends.begin());it!=lobby.participating_friends.end();++it)
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if((*it)!=peer_id && mLinkMgr->isOnline(*it))
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{
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RsChatLobbyBouncingObject *obj2 = item->duplicate() ; // makes a copy
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RsChatItem *item2 = dynamic_cast<RsChatItem*>(obj2) ;
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assert(item2 != NULL) ;
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item2->PeerId(*it) ; // replaces the virtual peer id with the actual destination.
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if(is_message)
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checkSizeAndSendMessage(static_cast<RsChatLobbyMsgItem*>(item2)) ;
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else
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sendItem(item2);
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}
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++lobby.connexion_challenge_count ;
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return true ;
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}
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@ -1737,6 +1738,7 @@ void p3ChatService::sendLobbyStatusItem(const ChatLobbyId& lobby_id,int type,con
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item.event_type = type ;
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item.string1 = status_string ;
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item.sendTime = time(NULL) ;
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}
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std::string ownId = mLinkMgr->getOwnId();
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bounceLobbyObject(&item,ownId) ;
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@ -1841,7 +1843,7 @@ void p3ChatService::handleConnectionChallenge(RsChatLobbyConnectChallengeItem *i
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}
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if(found) // send invitation. As the peer already has the lobby, the invitation will most likely be accepted.
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invitePeerToLobby(lobby_id, item->PeerId()) ;
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invitePeerToLobby(lobby_id, item->PeerId(),true) ;
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#ifdef CHAT_DEBUG
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else
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std::cerr << " Challenge denied: no existing cached msg has matching Id." << std::endl;
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@ -1917,10 +1919,13 @@ void p3ChatService::getChatLobbyList(std::list<ChatLobbyInfo>& linfos)
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for(std::map<ChatLobbyId,ChatLobbyEntry>::const_iterator it(_chat_lobbys.begin());it!=_chat_lobbys.end();++it)
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linfos.push_back(it->second) ;
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}
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void p3ChatService::invitePeerToLobby(const ChatLobbyId& lobby_id, const std::string& peer_id)
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void p3ChatService::invitePeerToLobby(const ChatLobbyId& lobby_id, const std::string& peer_id,bool connexion_challenge)
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{
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#ifdef CHAT_DEBUG
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std::cerr << "Sending invitation to peer " << peer_id << " to lobby "<< std::hex << lobby_id << std::dec << std::endl;
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if(connexion_challenge)
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std::cerr << "Sending connexion challenge accept to peer " << peer_id << " for lobby "<< std::hex << lobby_id << std::dec << std::endl;
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else
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std::cerr << "Sending invitation to peer " << peer_id << " to lobby "<< std::hex << lobby_id << std::dec << std::endl;
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#endif
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RsChatLobbyInviteItem *item = new RsChatLobbyInviteItem ;
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@ -1938,7 +1943,7 @@ void p3ChatService::invitePeerToLobby(const ChatLobbyId& lobby_id, const std::st
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}
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item->lobby_id = lobby_id ;
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item->lobby_name = it->second.lobby_name ;
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item->lobby_privacy_level = it->second.lobby_privacy_level ;
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item->lobby_privacy_level = connexion_challenge?RS_CHAT_LOBBY_PRIVACY_LEVEL_CHALLENGE:(it->second.lobby_privacy_level) ;
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item->PeerId(peer_id) ;
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sendItem(item) ;
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@ -1964,7 +1969,7 @@ void p3ChatService::handleRecvLobbyInvite(RsChatLobbyInviteItem *item)
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std::cerr << " privacy levels: " << item->lobby_privacy_level << " vs. " << it->second.lobby_privacy_level ;
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#endif
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if(item->lobby_privacy_level != it->second.lobby_privacy_level)
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if(item->lobby_privacy_level != RS_CHAT_LOBBY_PRIVACY_LEVEL_CHALLENGE && item->lobby_privacy_level != it->second.lobby_privacy_level)
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{
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std::cerr << " : Don't match. Cancelling." << std::endl;
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return ;
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@ -1979,6 +1984,12 @@ void p3ChatService::handleRecvLobbyInvite(RsChatLobbyInviteItem *item)
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it->second.participating_friends.insert(item->PeerId()) ;
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return ;
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}
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// Don't record the invitation if it's a challenge response item or a lobby we don't have.
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//
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if(item->lobby_privacy_level == RS_CHAT_LOBBY_PRIVACY_LEVEL_CHALLENGE)
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return ;
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// no, then create a new invitation entry in the cache.
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ChatLobbyInvite invite ;
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@ -2352,6 +2363,7 @@ void p3ChatService::cleanLobbyCaches()
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std::list<ChatLobbyId> keep_alive_lobby_ids ;
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std::list<ChatLobbyId> changed_lobbies ;
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std::list<ChatLobbyId> send_challenge_lobbies ;
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{
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RsStackMutex stack(mChatMtx); /********** STACK LOCKED MTX ******/
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@ -2405,6 +2417,16 @@ void p3ChatService::cleanLobbyCaches()
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keep_alive_lobby_ids.push_back(it->first) ;
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it->second.last_keep_alive_packet_time = now ;
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}
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// 4 - look at lobby activity and possibly send connexion challenge
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//
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||||
if(++it->second.connexion_challenge_count > CONNECTION_CHALLENGE_MAX_COUNT && now > it->second.last_connexion_challenge_time + CONNECTION_CHALLENGE_MIN_DELAY)
|
||||
{
|
||||
it->second.connexion_challenge_count = 0 ;
|
||||
it->second.last_connexion_challenge_time = now ;
|
||||
|
||||
send_challenge_lobbies.push_back(it->first);
|
||||
}
|
||||
}
|
||||
|
||||
// 2 - clean deprecated public chat lobby records
|
||||
@ -2432,6 +2454,11 @@ void p3ChatService::cleanLobbyCaches()
|
||||
// update the gui
|
||||
for(std::list<ChatLobbyId>::const_iterator it(changed_lobbies.begin());it!=changed_lobbies.end();++it)
|
||||
rsicontrol->getNotify().notifyChatLobbyEvent(*it,RS_CHAT_LOBBY_EVENT_KEEP_ALIVE,"------------","") ;
|
||||
|
||||
// send connexion challenges
|
||||
//
|
||||
for(std::list<ChatLobbyId>::const_iterator it(send_challenge_lobbies.begin());it!=send_challenge_lobbies.end();++it)
|
||||
sendConnectionChallenge(*it) ;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -160,7 +160,7 @@ class p3ChatService: public p3Service, public p3Config, public pqiMonitor
|
||||
bool acceptLobbyInvite(const ChatLobbyId& id) ;
|
||||
void denyLobbyInvite(const ChatLobbyId& id) ;
|
||||
void getPendingChatLobbyInvites(std::list<ChatLobbyInvite>& invites) ;
|
||||
void invitePeerToLobby(const ChatLobbyId&, const std::string&) ;
|
||||
void invitePeerToLobby(const ChatLobbyId&, const std::string& peer_id,bool connexion_challenge = false) ;
|
||||
void unsubscribeChatLobby(const ChatLobbyId& lobby_id) ;
|
||||
bool setNickNameForChatLobby(const ChatLobbyId& lobby_id,const std::string& nick) ;
|
||||
bool getNickNameForChatLobby(const ChatLobbyId& lobby_id,std::string& nick) ;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user