bool ServerManager::ProcessCommands( )
{
bool ret = false;
if(m_MinFD == INVALID_SOCKET && m_MaxFD == INVALID_SOCKET)
{
return true;
}
for(int i=SCENE_PLAYER_ID; i<=BILLING_PLAYER_ID; i++)
{
ServerPlayer* pPlayer = GetServerPlayer(i);
if(!pPlayer) continue;
if(pPlayer->IsValid())
{
if(pPlayer->GetSocket()->isSockError() )
{
RemoveServer(i);
}
else
{
ret = pPlayer->ProcessCommand(false);
if(!ret)
{
RemoveServer( i );
}
}
}
}
return true;
}
/**
* \fn UPNPScanner::AddServer(const QString&, const QString&)
* Adds the server identified by usn and reachable via url to the list of
* known media servers and schedules an update to initiate a connection.
*/
void UPNPScanner::AddServer(const QString &usn, const QString &url)
{
if (url.isEmpty())
{
RemoveServer(usn);
return;
}
// sometimes initialisation is too early and m_masterHost is empty
if (m_masterHost.isEmpty())
{
m_masterHost = gCoreContext->GetSetting("MasterServerIP");
m_masterPort = gCoreContext->GetSettingOnHost("BackendStatusPort",
m_masterHost, "6544").toInt();
}
QUrl qurl(url);
if (qurl.host() == m_masterHost && qurl.port() == m_masterPort)
{
LOG(VB_UPNP, LOG_INFO, LOC + "Ignoring master backend.");
return;
}
m_lock.lock();
if (!m_servers.contains(usn))
{
m_servers.insert(usn, new MediaServer(url));
LOG(VB_GENERAL, LOG_INFO, LOC + QString("Adding: %1").arg(usn));
ScheduleUpdate();
}
m_lock.unlock();
}
bool ServerManager::ProcessExceptions( )
{
if(m_MinFD == INVALID_SOCKET && m_MaxFD == INVALID_SOCKET)
{
return true;
}
for(int i=SCENE_PLAYER_ID; i<=BILLING_PLAYER_ID; i++)
{
ServerPlayer* pPlayer = GetServerPlayer(i);
if(!pPlayer) continue;
if(pPlayer->IsValid())
{
SOCKET s = pPlayer->GetSocket()->getSOCKET();
if(FD_ISSET( s, &m_ExceptFDs[SELECT_USE]) )
{
g_pLog->log_debug("%u,%u,ProcessException......",pPlayer->PlayerID(),0);
RemoveServer(i);
}
}
}
return true;
}
LRESULT CServerMonitorView::OnBnClickedStopAllMonitoring(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& bHandled)
{
while (m_ServerList.GetSize() > 0)
{
RemoveServer(m_ServerList[0]);
}
return 0;
}
VOID
CloseAsc(ASSOC_IPC * asipc)
{
int i = 0;
/*
** If we are a gcc let the client disconnect first. If ten seconds
** elapse then disconnect anyways.
*/
while( is_gcc && asipc->IpcInternal.AssocInfo->bPipesClosed == FALSE
&& i++ < 200 )
PCsleep(50);
if (asipc->SndStdChan)
CloseHandle(asipc->SndStdChan);
if (asipc->RcvStdChan)
{
WriteFile(asipc->RcvStdChan, "", 1, &i, NULL);
Sleep(0);
CloseHandle(asipc->RcvStdChan);
}
if (asipc->SndExpChan)
CloseHandle(asipc->SndExpChan);
if (asipc->RcvExpChan)
{
WriteFile(asipc->RcvExpChan, "", 1, &i, NULL);
Sleep(0);
CloseHandle(asipc->RcvExpChan);
}
if (asipc->ClientReadHandle)
CloseHandle(asipc->ClientReadHandle);
/* Mark pipes as being closed. */
if ( asipc->IpcInternal.AssocInfo )
{
asipc->IpcInternal.AssocInfo->bPipesClosed = TRUE;
asipc->IpcInternal.AssocInfo->refs--; /* decrement reference ct */
asipc->IpcInternal.AssocInfo = NULL;
}
asipc->SndStdChan = NULL;
asipc->RcvStdChan = NULL;
asipc->SndExpChan = NULL;
asipc->RcvExpChan = NULL;
asipc->ClientReadHandle = NULL;
if ( asipc->IpcInternal.server )
{
asipc->IpcInternal.server->nConnections--;
if ( 0 == asipc->IpcInternal.server->nConnections )
RemoveServer( asipc->IpcInternal.server );
}
return;
}
void CServerList::RemoveDeadServers()
{
if ( thePrefs::DeadServer() ) {
for ( CInternalList::const_iterator it = m_servers.begin(); it != m_servers.end(); ) {
CServer* server = *it++;
if ( server->GetFailedCount() > thePrefs::GetDeadserverRetries() && !server->IsStaticMember()) {
RemoveServer(server);
}
}
}
}
void CServerListCtrl::RemoveAllDeadServers()
{
ShowWindow(SW_HIDE);
for(POSITION pos = server_list->list.GetHeadPosition(); pos != NULL;server_list->list.GetNext(pos)) {
CServer* cur_server = server_list->list.GetAt(pos);
if (cur_server->GetFailedCount() >= thePrefs.GetDeadserverRetries()){
RemoveServer(cur_server);
pos = server_list->list.GetHeadPosition();
}
}
ShowWindow(SW_SHOW);
}
void CServerList::FilterServers()
{
CInternalList::iterator it = m_servers.begin();
while (it != m_servers.end()) {
CServer* server = *it++;
if (server->HasDynIP()) {
continue;
}
if (theApp->ipfilter->IsFiltered(server->GetIP(), true)) {
if (server == theApp->serverconnect->GetCurrentServer()) {
AddLogLineC(_("Local server is filtered by the IPFilters, reconnecting to a different server!"));
theApp->serverconnect->Disconnect();
RemoveServer(server);
theApp->serverconnect->ConnectToAnyServer();
} else {
RemoveServer(server);
}
}
}
}
bool ServerManager::ProcessOutputs( )
{
bool ret = false;
if(m_MinFD == INVALID_SOCKET && m_MaxFD == INVALID_SOCKET)
{
return true;
}
for(int i=SCENE_PLAYER_ID; i<=BILLING_PLAYER_ID; i++)
{
ServerPlayer* pPlayer = GetServerPlayer(i);
if(!pPlayer) continue;
if(pPlayer->IsValid())
{
SOCKET s = pPlayer->GetSocket()->getSOCKET();
if(FD_ISSET( s, &m_WriteFDs[SELECT_USE]) )
{
if(pPlayer->GetSocket()->isSockError() )
{
RemoveServer(i);
}
else
{
ret = pPlayer->ProcessOutput( );
if(!ret)
{
RemoveServer( i );
}
}
}
}
}
return true;
}
void CServerListCtrl::RemoveAllFilteredServers()
{
if (!thePrefs.GetFilterServerByIP())
return;
ShowWindow(SW_HIDE);
for (POSITION pos = theApp.serverlist->list.GetHeadPosition(); pos != NULL; theApp.serverlist->list.GetNext(pos))
{
const CServer* cur_server = theApp.serverlist->list.GetAt(pos);
if (theApp.ipfilter->IsFiltered(cur_server->GetIP()))
{
if (thePrefs.GetLogFilteredIPs())
AddDebugLogLine(false, _T("Filtered server \"%s\" (IP=%s) - IP filter (%s)"), cur_server->GetListName(), ipstr(cur_server->GetIP()), theApp.ipfilter->GetLastHit());
RemoveServer(cur_server);
pos = theApp.serverlist->list.GetHeadPosition();
}
}
ShowWindow(SW_SHOW);
}
void ChannelBalancer::RemoveAndDestroyChannel(SelectiveChannel::ChannelHandle handle) {
if (!RemoveServer(ServerId(handle))) {
return;
}
SocketUniquePtr ptr;
const int rc = Socket::AddressFailedAsWell(handle, &ptr);
if (rc >= 0) {
SubChannel* sub = static_cast<SubChannel*>(ptr->user());
{
BAIDU_SCOPED_LOCK(_mutex);
CHECK_EQ(1UL, _chan_map.erase(sub->chan));
}
{
SocketUniquePtr ptr2(ptr.get()); // Dereference.
}
if (rc == 0) {
ptr->ReleaseAdditionalReference();
}
}
}
// **************************************************************************
// DeleteContents ()
//
// Description:
// Reset the document object for reuse. This includes disconnect from all
// OPC servers and deleting all server objects.
//
// Parameters:
// none
//
// Returns:
// void
// **************************************************************************
void CKDocument::DeleteContents ()
{
// Create a wait cursor object. This will cause the wait cursor,
// usually an hourglass, to be displayed. When this object goes
// out of scope, its destructor will restore the previous cursor
// type.
CWaitCursor wc;
// Update status bar text to indicate that we are unloading project:
CKStatusBarText cText (IDS_UNLOADING_PROJECT);
// Notify all views that the project is closing so that no request for
// server/group/item is made (as in OnGetDispInfo) for a deleted object:
UpdateAllViews (NULL, HINT_CLOSE_PROJECT, NULL);
// Free all server connections maintained by the document. Start with
// head of linked list and work our way to end:
while (m_pServerHead)
{
// Need to make a copy of current head of linked list:
CKServer *pServer = m_pServerHead;
// Reset linked list head to next server:
m_pServerHead = pServer->GetNext ();
// Delete server (previously the head of linked list):
RemoveServer (pServer);
}
// Check that we deleted all servers in linked list (debug only):
ASSERT (m_cdwServers == 0);
// Invalidate currently selected server and group:
m_pCurSelServer = NULL;
m_pCurSelGroup = NULL;
// Default processing:
CDocument::DeleteContents ();
}
int RGClient :: Send (int serverId, unsigned char* sendBuffer, unsigned char*& replyBuffer, int sendLength, int& replyMax) {
int len;
LastError = RGOK;
if (serverId <= 0) {
LastError = RGILLEGALSERVERID;
return -1;
}
RGServerPort* port = ServerPortList.GetElementAt (serverId);
if (port == NULL) {
LastError = RGSERVERNULL;
return -1;
}
*ServerPid = port->GetServerPid ();
int status = port->Send (sendLength, sendBuffer);
if (status < 0) {
LastError = port->GetLastError ();
RemoveServer (serverId);
return -1;
}
HANDLE HandleArray [2];
HandleArray [0] = port->GetServerHandle ();
HandleArray [1] = OKToReadHandle;
status = WaitForReadAccess (HandleArray);
if (status < 0) {
RemoveServer (serverId);
return -1;
}
len = *Length;
//
// Test for buffer overflow...we don't like to encourage this!
//
if (len > replyMax) {
delete[] replyBuffer;
replyBuffer = new unsigned char [len];
replyMax = len;
}
//
// Test for continuation
//
if (*Type == RGBLOCKINGSEND) {
//
// No continuation needed
//
memcpy (replyBuffer, DataBegin, len);
return 0;
}
//
// Need continuation
//
Boolean Loop = TRUE;
unsigned char* CurrentOutputPointer = replyBuffer;
int WriteSize = BufferSize;
int LeftToWrite = len;
Boolean Wait = FALSE;
while (Loop) {
if (Wait) {
status = WaitForReadAccess (HandleArray); // wait for continuation clearance
if (status < 0)
return status;
}
Wait = TRUE;
memcpy (CurrentOutputPointer, DataBegin, WriteSize);
CurrentOutputPointer += BufferSize;
LeftToWrite -= BufferSize;
HandleArray [1] = ContinuationHandle;
if ((LeftToWrite <= 0) || (*Type == RGBLOCKINGSEND))
Loop = FALSE;
else {
SetEvent (OKToWriteHandle);
if (LeftToWrite <= BufferSize)
WriteSize = LeftToWrite;
}
} // end of while loop
return 0;
}
void
NetPrefsServerView::MessageReceived (BMessage * msg)
{
switch (msg->what)
{
case M_SERVER_ITEM_SELECTED:
{
BRow *row (fServerList->CurrentSelection ());
if (row)
{
fEditButton->SetEnabled (true);
fRemoveButton->SetEnabled (true);
}
else
{
fEditButton->SetEnabled (false);
fRemoveButton->SetEnabled (false);
}
}
break;
case M_SERVER_ADD_ITEM:
{
BMessenger msgr (fEntryWin);
if (msgr.IsValid ())
fEntryWin->Activate ();
else
{
fEntryWin = new ServerEntryWindow (this, new BMessage (M_SERVER_RECV_DATA), NULL, 0);
fEntryWin->Show ();
}
}
break;
case M_SERVER_EDIT_ITEM:
{
BMessenger msgr (fEntryWin);
if (msgr.IsValid ())
fEntryWin->Activate ();
else
{
BRow *row (fServerList->CurrentSelection ());
if (!row)
break;
int32 count (0);
ssize_t size (0);
type_code type;
fActiveNetwork->GetInfo ("server", &type, &count);
const ServerData *compData;
for (int32 i = 0; i < count; i++)
{
fActiveNetwork->FindData ("server", B_RAW_TYPE, i, reinterpret_cast < const void **>(&compData), &size);
if (!strcmp (compData->serverName, ((BStringField *) row->GetField (1))->String ()))
break;
}
BMessage *invoke (new BMessage (M_SERVER_RECV_DATA));
invoke->AddBool ("edit", true);
fEntryWin = new ServerEntryWindow (this, invoke, compData, size);
fEntryWin->Show ();
}
}
break;
case M_SERVER_REMOVE_ITEM:
{
RemoveServer ();
fNetWin.SendMessage (M_SERVER_DATA_CHANGED);
}
break;
case M_SERVER_RECV_DATA:
{
const ServerData *data;
ssize_t size;
Window ()->DisableUpdates ();
msg->FindData ("server", B_RAW_TYPE, reinterpret_cast < const void **>(&data), &size);
if (msg->HasBool ("edit"))
RemoveServer ();
UpdateNetworkData (data);
AddServer (data);
Window ()->EnableUpdates ();
fNetWin.SendMessage (M_SERVER_DATA_CHANGED);
}
break;
default:
BView::MessageReceived (msg);
break;
}
}
void CServerList::ServerStats()
{
uint32 tNow = ::GetTickCount();
if (theApp->IsConnectedED2K() && m_servers.size() > 0) {
CServer* ping_server = GetNextStatServer();
CServer* test = ping_server;
if (!ping_server) {
return;
}
while (ping_server->GetLastPingedTime() && (tNow - ping_server->GetLastPingedTime()) < UDPSERVSTATREASKTIME) {
ping_server = GetNextStatServer();
if (ping_server == test) {
return;
}
}
if (ping_server->GetFailedCount() >= thePrefs::GetDeadserverRetries() && thePrefs::DeadServer() && !ping_server->IsStaticMember()) {
RemoveServer(ping_server);
return;
}
srand((unsigned)time(NULL));
ping_server->SetRealLastPingedTime(tNow); // this is not used to calcualte the next ping, but only to ensure a minimum delay for premature pings
if (!ping_server->GetCryptPingReplyPending() && (!ping_server->GetLastPingedTime() || (tNow - ping_server->GetLastPingedTime()) >= UDPSERVSTATREASKTIME) && theApp->GetPublicIP() && thePrefs::IsServerCryptLayerUDPEnabled()) {
// We try a obfsucation ping first and wait 20 seconds for an answer
// if it doesn't get responsed, we don't count it as error but continue with a normal ping
ping_server->SetCryptPingReplyPending(true);
uint32 nPacketLen = 4 + (uint8)(rand() % 16); // max padding 16 bytes
CScopedArray<byte> pRawPacket(nPacketLen);
uint32 dwChallenge = (rand() << 17) | (rand() << 2) | (rand() & 0x03);
if (dwChallenge == 0) {
dwChallenge++;
}
memcpy(pRawPacket.get(), &dwChallenge, sizeof(uint32));
for (uint32 i = 4; i < nPacketLen; i++) { // fillng up the remaining bytes with random data
pRawPacket[i] = (uint8)rand();
}
ping_server->SetChallenge(dwChallenge);
ping_server->SetLastPinged(tNow);
ping_server->SetLastPingedTime((tNow - (uint32)UDPSERVSTATREASKTIME) + 20); // give it 20 seconds to respond
AddDebugLogLineN(logServerUDP, CFormat(wxT(">> Sending OP__GlobServStatReq (obfuscated) to server %s:%u")) % ping_server->GetAddress() % ping_server->GetPort());
CPacket* packet = new CPacket(pRawPacket[1], nPacketLen - 2, pRawPacket[0]);
packet->CopyToDataBuffer(0, pRawPacket.get() + 2, nPacketLen - 2);
theStats::AddUpOverheadServer(packet->GetPacketSize());
theApp->serverconnect->SendUDPPacket(packet, ping_server, true, true /*raw packet*/, 12 /* Port offset is 12 for obfuscated encryption*/);
} else if (ping_server->GetCryptPingReplyPending() || theApp->GetPublicIP() == 0 || !thePrefs::IsServerCryptLayerUDPEnabled()){
// our obfsucation ping request was not answered, so probably the server doesn'T supports obfuscation
// continue with a normal request
if (ping_server->GetCryptPingReplyPending() && thePrefs::IsServerCryptLayerUDPEnabled()) {
AddDebugLogLineN(logServerUDP, wxT("CryptPing failed for server ") + ping_server->GetListName());
} else if (thePrefs::IsServerCryptLayerUDPEnabled()) {
AddDebugLogLineN(logServerUDP, wxT("CryptPing skipped because our public IP is unknown for server ") + ping_server->GetListName());
}
ping_server->SetCryptPingReplyPending(false);
CPacket* packet = new CPacket(OP_GLOBSERVSTATREQ, 4, OP_EDONKEYPROT);
uint32 challenge = 0x55AA0000 + (uint16)rand();
ping_server->SetChallenge(challenge);
packet->CopyUInt32ToDataBuffer(challenge);
ping_server->SetLastPinged(tNow);
ping_server->SetLastPingedTime(tNow - (rand() % HR2S(1)));
ping_server->AddFailedCount();
Notify_ServerRefresh(ping_server);
theStats::AddUpOverheadServer(packet->GetPacketSize());
theApp->serverconnect->SendUDPPacket(packet, ping_server, true);
} else {
wxFAIL;
}
}
}
void CChatControl::Timer()
{
int ChatConnects = 0;
if(m_TryUltraCache > 0)
m_TryUltraCache--;
if(m_ServerList.size() == 0)
m_UltraCacheMode = false;
// Manage connected chat servers
std::vector<CChatServer*>::iterator itServer;
for(itServer = m_ServerList.begin(); itServer != m_ServerList.end(); itServer++)
{
if((*itServer)->m_Status == SOCK_CONNECTED)
{
ChatConnects++;
}
else
{
if((*itServer)->m_SecsDead > 5)
{
RemoveServer(*itServer);
itServer--;
}
else
(*itServer)->m_SecsDead++;
}
}
// Send a connect request if we're connected and in the cache channel
if(ChatConnects)
if(m_UltraCacheMode)
{
if(m_SecsRequest > 50)
m_SecsRequest = SendRequest() ? 0 : 50;
else
m_SecsRequest++;
}
// Chat window open
if(m_pDoc->m_pViewChat)
{
if(m_AutoConnect)
{
bool ChatConnect = false;
for(int i = 0; i < m_ServerList.size(); i++)
if(m_ServerList[i]->m_Host == "irc.freenode.net")
ChatConnect = true;
if(!ChatConnect)
GetConnect();
}
}
// Chat window not open
else if(m_AutoConnect)
{
if(ChatConnects)
{
if(!m_UltraCacheMode && m_TryUltraCache == 0)
if(m_autNetwork->ClientMode() == CLIENT_LEAF || m_autPrefs->GetMinConnects() != -1 && m_autNetwork->GetNormalConnectedCount() >= m_autPrefs->GetMinConnects())
RemoveServer( m_ServerList[0] );
}
else
{
if(m_autNetwork->GetNormalConnectedCount() == 0)
GetConnect();
m_UltraCacheMode = false;
m_TryUltraCache = 0;
}
}
// Clean Chat Sockets
std::vector<CChatServer*>::iterator itChat;
for(itChat = m_ServerList.begin(); itChat != m_ServerList.end(); itChat++)
if((*itChat)->m_Status == SOCK_CLOSED)
{
delete *itChat;
m_ServerList.erase(itChat);
itChat--;
}
// Remove old ident connects
std::vector<CChatIdentd*>::iterator itIdent;
for(itIdent = m_IdentdList.begin(); itIdent != m_IdentdList.end(); itIdent++)
{
(*itIdent)->m_SecsAlive++;
if((*itIdent)->m_SecsAlive >= 10)
{
delete *itIdent;
m_IdentdList.erase(itIdent);
itIdent--;
}
}
}
