OpenClonk
C4Network2RefClient Class Referenceabstract

#include <C4Network2Reference.h>

Inheritance diagram for C4Network2RefClient:
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Collaboration diagram for C4Network2RefClient:
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Public Types

typedef EndpointAddress addr_t
 

Public Member Functions

 C4Network2RefClient ()
 
bool QueryReferences ()
 
bool GetReferences (C4Network2Reference **&rpReferences, int32_t &rRefCount)
 
bool Query (const StdBuf &Data, bool fBinary)
 
bool Query (const char *szData, bool fBinary)
 
bool isBusy () const
 
bool isSuccess () const
 
bool isConnected () const
 
size_t getTotalSize () const
 
size_t getDownloadedSize () const
 
const StdBufgetResultBin () const
 
const char * getResultString () const
 
const char * getServerName () const
 
const char * getRequest () const
 
const C4NetIO::addr_tgetServerAddress () const
 
void Cancel (const char *szReason)
 
void Clear ()
 
bool SetServer (const char *szServerAddress)
 
void SetNotify (class C4InteractiveThread *pnNotify)
 
bool Execute (int iMaxTime, pollfd *readyfds) override
 
virtual bool Execute (int iMaxTime=TO_INF)
 
C4TimeMilliseconds GetNextTick (C4TimeMilliseconds tNow) override
 
bool Init (uint16_t iPort=addr_t::IPPORT_NONE) override
 
virtual bool InitBroadcast (addr_t *pBroadcastAddr)
 
bool Close () override
 
bool Close (const addr_t &addr) override
 
virtual bool CloseBroadcast ()
 
std::unique_ptr< SocketBind (const addr_t &addr)
 
bool Connect (const addr_t &addr, std::unique_ptr< Socket > socket)
 
bool Connect (const addr_t &addr) override
 
bool Send (const C4NetIOPacket &rPacket) override
 
virtual bool Send (const class C4NetIOPacket &rPacket)=0
 
bool Broadcast (const C4NetIOPacket &rPacket) override
 
virtual bool Broadcast (const class C4NetIOPacket &rPacket)=0
 
bool SetBroadcast (const addr_t &addr, bool fSet=true) override
 
virtual void UnBlock ()
 
void GetFDs (std::vector< struct pollfd > &FDs) override
 
bool GetStatistic (int *pBroadcastRate) override
 
bool GetConnStatistic (const addr_t &addr, int *pIRate, int *pORate, int *pLoss) override
 
void ClearStatistic () override
 
void SetCallback (CBClass *pnCallback) override
 
virtual void SetCallback (CBClass *pnCallback)=0
 
bool IsNotify () override
 
virtual const char * GetError () const
 
void ResetError ()
 
bool ExecuteUntil (int iTimeout=-1)
 
bool IsSignaled ()
 
virtual bool IsLowPriority ()
 
virtual uint32_t TimerInterval ()
 

Static Public Member Functions

static std::vector< HostAddressGetLocalAddresses ()
 

Static Public Attributes

static const int TO_INF = -1
 

Protected Member Functions

int32_t GetDefaultPort () override
 
void PackPacket (const C4NetIOPacket &rPacket, StdBuf &rOutBuf) override
 
size_t UnpackPacket (const StdBuf &rInBuf, const C4NetIO::addr_t &addr) override
 
bool OnConn (const C4NetIO::addr_t &AddrPeer, const C4NetIO::addr_t &AddrConnect, const addr_t *pOwnAddr, C4NetIO *pNetIO) override
 
void OnDisconn (const C4NetIO::addr_t &AddrPeer, C4NetIO *pNetIO, const char *szReason) override
 
void OnPacket (const class C4NetIOPacket &rPacket, C4NetIO *pNetIO) override
 
void ResetRequestTimeout ()
 
bool Connect (const addr_t &addr, SOCKET nsock)
 
bool Listen (uint16_t inListenPort)
 
SOCKET CreateSocket (addr_t::AddressFamily family)
 
PeerAccept (SOCKET nsock=INVALID_SOCKET, const addr_t &ConnectAddr=addr_t())
 
PeerGetPeer (const addr_t &addr)
 
void OnShareFree (CStdCSecEx *pCSec) override
 
void AddConnectWait (SOCKET sock, const addr_t &addr)
 
ConnectWaitGetConnectWait (const addr_t &addr)
 
void ClearConnectWaits ()
 
bool InitIPv6Socket (SOCKET socket)
 
void SetError (const char *strnError, bool fSockErr=false)
 
void Changed ()
 

Protected Attributes

StdCopyBuf ResultBin
 
StdCopyStrBuf ResultString
 
PeerpPeerList {nullptr}
 
struct C4NetIOTCP::ConnectWait nullptr
 
CStdCSecEx PeerListCSec
 
CStdCSec PeerListAddCSec
 
bool fInit {false}
 
uint16_t iListenPort
 
SOCKET lsock
 
int Pipe [2]
 
StdCopyStrBuf Error
 

Detailed Description

Definition at line 216 of file C4Network2Reference.h.

Member Typedef Documentation

◆ addr_t

typedef EndpointAddress C4NetIO::addr_t
inherited

Definition at line 212 of file C4NetIO.h.

Constructor & Destructor Documentation

◆ C4Network2RefClient()

C4Network2RefClient::C4Network2RefClient ( )
inline

Definition at line 221 of file C4Network2Reference.h.

Member Function Documentation

◆ Accept()

C4NetIOTCP::Peer * C4NetIOTCP::Accept ( SOCKET  nsock = INVALID_SOCKET,
const addr_t ConnectAddr = addr_t() 
)
protectedinherited

Definition at line 1427 of file C4NetIO.cpp.

References StdSchedulerProc::Changed(), C4NetIO::EndpointAddress::Clear(), CStdLock::Clear(), C4NetIOTCP::Peer::Close(), closesocket, C4NetIO::HostAddress::GetAddrLen(), C4NetIO::HostAddress::GetFamily(), INVALID_SOCKET, ioctlsocket, C4NetIOTCP::lsock, C4NetIOTCP::Peer::Next, C4NetIO::CBClass::OnConn(), C4NetIOTCP::Peer, C4NetIOTCP::PeerListAddCSec, C4NetIOTCP::PeerListCSec, C4NetIOTCP::pPeerList, C4NetIO::SetError(), SOCK_CLOEXEC, SOCKET_ERROR, and C4NetIO::HostAddress::UnknownFamily.

Referenced by C4NetIOTCP::Execute().

1428 {
1429 
1430  addr_t caddr = ConnectAddr;
1431 
1432  // accept incoming connection?
1433  C4NetIO::addr_t addr; socklen_t iAddrSize = addr.GetAddrLen();
1434  if (nsock == INVALID_SOCKET)
1435  {
1436  // accept from listener
1437 #ifdef __linux__
1438  if ((nsock = ::accept4(lsock, &addr, &iAddrSize, SOCK_CLOEXEC)) == INVALID_SOCKET)
1439 #else
1440  if ((nsock = ::accept(lsock, &addr, &iAddrSize)) == INVALID_SOCKET)
1441 #endif
1442  {
1443  // set error
1444  SetError("socket accept failed", true);
1445  return nullptr;
1446  }
1447  // connect address unknown, so zero it
1448  caddr.Clear();
1449  }
1450  else
1451  {
1452  // get peer address
1453  if (::getpeername(nsock, &addr, &iAddrSize) == SOCKET_ERROR)
1454  {
1455 #ifndef HAVE_WINSOCK
1456  // getpeername behaves strangely on exotic platforms. Just ignore it.
1457  if (errno != ENOTCONN)
1458  {
1459 #endif
1460  // set error
1461  SetError("could not get peer address for connected socket", true);
1462  return nullptr;
1463 #ifndef HAVE_WINSOCK
1464  }
1465 #endif
1466  }
1467  }
1468 
1469  // check address
1470  if (addr.GetFamily() == addr_t::UnknownFamily)
1471  {
1472  // set error
1473  SetError("socket accept failed: invalid address returned");
1474  closesocket(nsock);
1475  return nullptr;
1476  }
1477 
1478  // disable nagle (yep, we know what we are doing here - I think)
1479  int iNoDelay = 1;
1480  ::setsockopt(nsock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<const char *>(&iNoDelay), sizeof(iNoDelay));
1481 
1482 #ifdef STDSCHEDULER_USE_EVENTS
1483  // set event
1484  if (::WSAEventSelect(nsock, Event, FD_READ | FD_WRITE | FD_CLOSE) == SOCKET_ERROR)
1485  {
1486  // set error
1487  SetError("connection accept failed: could not set event", true);
1488  closesocket(nsock);
1489  return nullptr;
1490  }
1491 #elif defined(HAVE_WINSOCK)
1492  // disable blocking
1493  unsigned long iBlock = 1;
1494  if (::ioctlsocket(nsock, FIONBIO, &iBlock) == SOCKET_ERROR)
1495  {
1496  // set error
1497  SetError("connect failed: could not disable blocking", true);
1498  close(nsock);
1499  return false;
1500  }
1501 #else
1502  // disable blocking
1503  if (::fcntl(nsock, F_SETFL, fcntl(nsock, F_GETFL) | O_NONBLOCK) == SOCKET_ERROR)
1504  {
1505  // set error
1506  SetError("connection accept failed: could not disable blocking", true);
1507  close(nsock);
1508  return nullptr;
1509  }
1510 #endif
1511 
1512 
1513  // create new peer
1514  Peer *pnPeer = new Peer(addr, nsock, this);
1515 
1516  // get required locks to add item to list
1517  CStdShareLock PeerListLock(&PeerListCSec);
1518  CStdLock PeerListAddLock(&PeerListAddCSec);
1519 
1520  // add to list
1521  pnPeer->Next = pPeerList;
1522  pPeerList = pnPeer;
1523 
1524  // clear add-lock
1525  PeerListAddLock.Clear();
1526 
1527  Changed();
1528 
1529  // ask callback if connection should be permitted
1530  if (pCB && !pCB->OnConn(addr, caddr, nullptr, this))
1531  // close socket immediately (will be deleted later)
1532  pnPeer->Close();
1533 
1534  // ok
1535  return pnPeer;
1536 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
virtual bool OnConn(const addr_t &AddrPeer, const addr_t &AddrConnect, const addr_t *pOwnAddr, C4NetIO *pNetIO)
Definition: C4NetIO.h:220
#define ioctlsocket
Definition: C4NetIO.cpp:45
Peer * pPeerList
Definition: C4NetIO.h:457
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455
EndpointAddress addr_t
Definition: C4NetIO.h:212
CStdCSec PeerListAddCSec
Definition: C4NetIO.h:470
#define SOCK_CLOEXEC
Definition: C4NetIO.h:50
#define closesocket
Definition: C4NetIO.cpp:46
SOCKET lsock
Definition: C4NetIO.h:477
size_t GetAddrLen() const
Definition: C4NetIO.cpp:526
AddressFamily GetFamily() const
Definition: C4NetIO.cpp:520
#define SOCKET_ERROR
Definition: C4NetIO.cpp:47
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◆ AddConnectWait()

void C4NetIOTCP::AddConnectWait ( SOCKET  sock,
const addr_t addr 
)
protectedinherited

Definition at line 1651 of file C4NetIO.cpp.

References C4NetIOTCP::ConnectWait::addr, StdSchedulerProc::Changed(), C4NetIOTCP::ConnectWait::Next, C4NetIOTCP::PeerListAddCSec, C4NetIOTCP::PeerListCSec, C4NetIOTCP::ConnectWait::sock, and C4NetIOTCP::UnBlock().

Referenced by C4NetIOTCP::Connect().

1652 {
1653  CStdShareLock PeerListLock(&PeerListCSec);
1654  CStdLock PeerListAddLock(&PeerListAddCSec);
1655  // create new entry, add to list
1656  ConnectWait *pnWait = new ConnectWait;
1657  pnWait->sock = sock; pnWait->addr = addr;
1658  pnWait->Next = pConnectWaits;
1659  pConnectWaits = pnWait;
1660 #ifndef STDSCHEDULER_USE_EVENTS
1661  // unblock, so new FD can be realized
1662  UnBlock();
1663 #endif
1664  Changed();
1665 }
virtual void UnBlock()
Definition: C4NetIO.cpp:1343
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
CStdCSec PeerListAddCSec
Definition: C4NetIO.h:470
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◆ Bind()

std::unique_ptr< C4NetIOTCP::Socket > C4NetIOTCP::Bind ( const addr_t addr)
inherited

Definition at line 1192 of file C4NetIO.cpp.

References closesocket, C4NetIOTCP::CreateSocket(), C4NetIO::HostAddress::GetAddrLen(), C4NetIO::HostAddress::GetFamily(), INVALID_SOCKET, C4NetIO::SetError(), SOCKET, and SOCKET_ERROR.

1193 {
1194  SOCKET nsock = CreateSocket(addr.GetFamily());
1195  if (nsock == INVALID_SOCKET) return nullptr;
1196 
1197  // bind the socket to the given address
1198  if (::bind(nsock, &addr, addr.GetAddrLen()) == SOCKET_ERROR)
1199  {
1200  SetError("binding the socket failed", true);
1201  closesocket(nsock);
1202  return nullptr;
1203  }
1204  return std::unique_ptr<Socket>(new Socket(nsock));
1205 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
#define SOCKET
Definition: C4NetIO.h:35
SOCKET CreateSocket(addr_t::AddressFamily family)
Definition: C4NetIO.cpp:1172
#define closesocket
Definition: C4NetIO.cpp:46
#define SOCKET_ERROR
Definition: C4NetIO.cpp:47
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◆ Broadcast() [1/2]

virtual bool C4NetIO::Broadcast ( const class C4NetIOPacket rPacket)
pure virtualinherited

Referenced by C4NetIO::IsNotify().

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◆ Broadcast() [2/2]

bool C4NetIOTCP::Broadcast ( const C4NetIOPacket rPacket)
overrideinherited

Definition at line 1332 of file C4NetIO.cpp.

References C4NetIOPacket::getRef(), C4NetIOTCP::Peer::Next, C4NetIOTCP::PeerListCSec, C4NetIOTCP::pPeerList, and C4NetIOTCP::Send().

1333 {
1334  CStdShareLock PeerListLock(&PeerListCSec);
1335  // just send to all clients
1336  bool fSuccess = true;
1337  for (Peer *pPeer = pPeerList; pPeer; pPeer = pPeer->Next)
1338  if (pPeer->Open() && pPeer->doBroadcast())
1339  fSuccess &= Send(C4NetIOPacket(rPacket.getRef(), pPeer->GetAddr()));
1340  return fSuccess;
1341 }
bool Send(const C4NetIOPacket &rPacket) override
Definition: C4NetIO.cpp:1310
Peer * pPeerList
Definition: C4NetIO.h:457
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455
C4NetIOPacket getRef() const
Definition: C4NetIO.h:324
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◆ Cancel()

void C4Network2HTTPClient::Cancel ( const char *  szReason)
inherited

Definition at line 532 of file C4Network2Reference.cpp.

Referenced by C4StartupNetListEntry::Execute(), and C4DownloadDlg::UserClose().

533 {
534  // Close connection - and connection attempt
535  Close(ServerAddr); Close(ServerAddrFallback); Close(PeerAddr);
536  // Reset flags
537  fBusy = fSuccess = fConnected = fBinary = false;
538  iDownloadedSize = iTotalSize = iDataOffset = 0;
539  Error = szReason;
540 }
StdCopyStrBuf Error
Definition: C4NetIO.h:282
bool Close() override
Definition: C4NetIO.cpp:857
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◆ Changed()

void StdSchedulerProc::Changed ( )
protectedinherited

Definition at line 108 of file StdScheduler.cpp.

References s.

Referenced by C4NetIOTCP::Accept(), C4NetIOTCP::AddConnectWait(), C4NetIOUDP::AddPeer(), StdScheduler::IsInManualLoop(), C4NetIOTCP::Listen(), and CStdTimerProc::SetDelay().

109 {
110  auto s = scheduler;
111  if (s)
112  s->Changed(this);
113 }
#define s
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◆ Clear()

void C4Network2HTTPClient::Clear ( )
inherited

Definition at line 542 of file C4Network2Reference.cpp.

543 {
544  fBusy = fSuccess = fConnected = fBinary = false;
545  iDownloadedSize = iTotalSize = iDataOffset = 0;
546  ResultBin.Clear();
548  Error.Clear();
549 }
void Clear()
Definition: StdBuf.h:466
void Clear()
Definition: StdBuf.h:190
StdCopyStrBuf Error
Definition: C4NetIO.h:282

◆ ClearConnectWaits()

void C4NetIOTCP::ClearConnectWaits ( )
protectedinherited

Definition at line 1677 of file C4NetIO.cpp.

References closesocket, C4NetIOTCP::ConnectWait::Next, and C4NetIOTCP::PeerListCSec.

Referenced by C4NetIOTCP::Close().

1678 {
1679  CStdShareLock PeerListLock(&PeerListCSec);
1680  for (ConnectWait *pWait = pConnectWaits; pWait; pWait = pWait->Next)
1681  if (pWait->sock)
1682  {
1683  closesocket(pWait->sock);
1684  pWait->sock = 0;
1685  }
1686 }
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
#define closesocket
Definition: C4NetIO.cpp:46
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◆ ClearStatistic()

void C4NetIOTCP::ClearStatistic ( )
overridevirtualinherited

Implements C4NetIO.

Definition at line 1419 of file C4NetIO.cpp.

References C4NetIOTCP::Peer::Next, C4NetIOTCP::PeerListCSec, and C4NetIOTCP::pPeerList.

1420 {
1421  CStdShareLock PeerListLock(&PeerListCSec);
1422  // clear all peer statistics
1423  for (Peer *pPeer = pPeerList; pPeer; pPeer = pPeer->Next)
1424  pPeer->ClearStatistics();
1425 }
Peer * pPeerList
Definition: C4NetIO.h:457
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455

◆ Close() [1/2]

bool C4NetIOTCP::Close ( )
overridevirtualinherited

Implements C4NetIO.

Reimplemented in C4Network2IRCClient, and C4AulDebug.

Definition at line 857 of file C4NetIO.cpp.

References C4NetIOTCP::ClearConnectWaits(), closesocket, C4NetIOTCP::fInit, INVALID_SOCKET, C4NetIOTCP::lsock, C4NetIOTCP::Peer::Next, C4NetIO::CBClass::OnDisconn(), C4NetIOTCP::PeerListCSec, C4NetIOTCP::Pipe, C4NetIOTCP::pPeerList, and C4NetIO::ResetError().

Referenced by C4Network2RefServer::Clear(), C4AulDebug::Close(), C4Network2IRCClient::Close(), C4Network2IRCClient::getUserName(), C4NetIOTCP::Init(), C4AulDebug::Listen(), main(), C4AulDebug::OnLog(), and C4NetIOTCP::~C4NetIOTCP().

858 {
859  ResetError();
860 
861  // not init?
862  if (!fInit) return false;
863 
864  // terminate connections
865  CStdShareLock PeerListLock(&PeerListCSec);
866  for (Peer *pPeer = pPeerList; pPeer; pPeer = pPeer->Next)
867  if (pPeer->Open())
868  {
869  pPeer->Close();
870  if (pCB) pCB->OnDisconn(pPeer->GetAddr(), this, "owner class closed");
871  }
872 
874 
875  // close listen socket
876  if (lsock != INVALID_SOCKET)
877  {
880  }
881 
882 #ifdef STDSCHEDULER_USE_EVENTS
883  // close event
884  if (Event != nullptr)
885  {
886  WSACloseEvent(Event);
887  Event = nullptr;
888  }
889 #else
890  // close pipe
891  close(Pipe[0]);
892  close(Pipe[1]);
893 #endif
894 
895 #ifdef HAVE_WINSOCK
896  // release winsock
897  ReleaseWinSock();
898 #endif
899 
900  // ok
901  fInit = false;
902  return true;
903 }
void ResetError()
Definition: C4NetIO.h:286
void ClearConnectWaits()
Definition: C4NetIO.cpp:1677
#define INVALID_SOCKET
Definition: C4NetIO.h:36
Peer * pPeerList
Definition: C4NetIO.h:457
int Pipe[2]
Definition: C4NetIO.h:484
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455
#define closesocket
Definition: C4NetIO.cpp:46
bool fInit
Definition: C4NetIO.h:473
SOCKET lsock
Definition: C4NetIO.h:477
virtual void OnDisconn(const addr_t &AddrPeer, C4NetIO *pNetIO, const char *szReason)
Definition: C4NetIO.h:221
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◆ Close() [2/2]

bool C4NetIOTCP::Close ( const addr_t addr)
overridevirtualinherited

Implements C4NetIO.

Reimplemented in C4AulDebug.

Definition at line 1279 of file C4NetIO.cpp.

References C4NetIOTCP::ConnectWait::addr, C4NetIOTCP::Peer::Close(), closesocket, C4NetIOTCP::Peer::GetAddr(), C4NetIOTCP::GetConnectWait(), C4NetIOTCP::GetPeer(), C4NetIO::CBClass::OnDisconn(), C4NetIOTCP::PeerListCSec, and C4NetIOTCP::ConnectWait::sock.

1280 {
1281  CStdShareLock PeerListLock(&PeerListCSec);
1282  // find connect wait
1283  ConnectWait *pWait = GetConnectWait(addr);
1284  if (pWait)
1285  {
1286  // close socket, do callback
1287  closesocket(pWait->sock); pWait->sock = 0;
1288  if (pCB) pCB->OnDisconn(pWait->addr, this, "closed");
1289  }
1290  else
1291  {
1292  // find peer
1293  Peer *pPeer = GetPeer(addr);
1294  if (pPeer)
1295  {
1296  C4NetIO::addr_t addr = pPeer->GetAddr();
1297  // close peer
1298  pPeer->Close();
1299  // do callback
1300  if (pCB) pCB->OnDisconn(addr, this, "closed");
1301  }
1302  // not found
1303  else
1304  return false;
1305  }
1306  // ok
1307  return true;
1308 }
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
Peer * GetPeer(const addr_t &addr)
Definition: C4NetIO.cpp:1593
friend class Peer
Definition: C4NetIO.h:455
#define closesocket
Definition: C4NetIO.cpp:46
virtual void OnDisconn(const addr_t &AddrPeer, C4NetIO *pNetIO, const char *szReason)
Definition: C4NetIO.h:221
ConnectWait * GetConnectWait(const addr_t &addr)
Definition: C4NetIO.cpp:1667
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◆ CloseBroadcast()

bool C4NetIOTCP::CloseBroadcast ( )
virtualinherited

Definition at line 905 of file C4NetIO.cpp.

906 {
907  return true;
908 }

◆ Connect() [1/3]

bool C4NetIOTCP::Connect ( const addr_t addr,
std::unique_ptr< Socket socket 
)
inherited

Definition at line 1207 of file C4NetIO.cpp.

References INVALID_SOCKET, and SOCKET.

Referenced by C4Network2IRCClient::Connect(), C4Network2IOConnection::Connect(), C4NetIOTCP::Connect(), C4Network2IRCClient::getUserName(), and main().

1208 {
1209  SOCKET nsock = socket->sock;
1210  socket->sock = INVALID_SOCKET;
1211  return Connect(addr, nsock);
1212 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
bool Connect(const addr_t &addr, std::unique_ptr< Socket > socket)
Definition: C4NetIO.cpp:1207
#define SOCKET
Definition: C4NetIO.h:35
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◆ Connect() [2/3]

bool C4NetIOTCP::Connect ( const addr_t addr)
overridevirtualinherited

Implements C4NetIO.

Definition at line 1214 of file C4NetIO.cpp.

References C4NetIOTCP::Connect(), C4NetIOTCP::CreateSocket(), C4NetIO::HostAddress::GetFamily(), INVALID_SOCKET, and SOCKET.

1215 {
1216  // create new socket
1217  SOCKET nsock = CreateSocket(addr.GetFamily());
1218  if (nsock == INVALID_SOCKET) return false;
1219 
1220  return Connect(addr, nsock);
1221 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
bool Connect(const addr_t &addr, std::unique_ptr< Socket > socket)
Definition: C4NetIO.cpp:1207
#define SOCKET
Definition: C4NetIO.h:35
SOCKET CreateSocket(addr_t::AddressFamily family)
Definition: C4NetIO.cpp:1172
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◆ Connect() [3/3]

bool C4NetIOTCP::Connect ( const addr_t addr,
SOCKET  nsock 
)
protectedinherited

Definition at line 1223 of file C4NetIO.cpp.

References C4NetIOTCP::AddConnectWait(), closesocket, C4NetIO::HostAddress::GetAddrLen(), HaveWouldBlockError(), ioctlsocket, C4NetIO::SetError(), and SOCKET_ERROR.

1224 {
1225 #ifdef STDSCHEDULER_USE_EVENTS
1226  // set event
1227  if (::WSAEventSelect(nsock, Event, FD_CONNECT) == SOCKET_ERROR)
1228  {
1229  // set error
1230  SetError("connect failed: could not set event", true);
1231  closesocket(nsock);
1232  return false;
1233  }
1234 
1235  // add to list
1236  AddConnectWait(nsock, addr);
1237 
1238 #elif defined(HAVE_WINSOCK)
1239  // disable blocking
1240  unsigned long iBlock = 1;
1241  if (::ioctlsocket(nsock, FIONBIO, &iBlock) == SOCKET_ERROR)
1242  {
1243  // set error
1244  SetError("connect failed: could not disable blocking", true);
1245  close(nsock);
1246  return false;
1247  }
1248 #else
1249  // disable blocking
1250  if (::fcntl(nsock, F_SETFL, fcntl(nsock, F_GETFL) | O_NONBLOCK) == SOCKET_ERROR)
1251  {
1252  // set error
1253  SetError("connect failed: could not disable blocking", true);
1254  close(nsock);
1255  return false;
1256  }
1257 #endif
1258 
1259  // connect (async)
1260  if (::connect(nsock, &addr, addr.GetAddrLen()) == SOCKET_ERROR)
1261  {
1262  if (!HaveWouldBlockError()) // expected
1263  {
1264  SetError("socket connection failed", true);
1265  closesocket(nsock);
1266  return false;
1267  }
1268  }
1269 
1270 #ifndef STDSCHEDULER_USE_EVENTS
1271  // add to list
1272  AddConnectWait(nsock, addr);
1273 #endif
1274 
1275  // ok
1276  return true;
1277 }
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
#define ioctlsocket
Definition: C4NetIO.cpp:45
void AddConnectWait(SOCKET sock, const addr_t &addr)
Definition: C4NetIO.cpp:1651
bool HaveWouldBlockError()
Definition: C4NetIO.cpp:203
#define closesocket
Definition: C4NetIO.cpp:46
#define SOCKET_ERROR
Definition: C4NetIO.cpp:47
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◆ CreateSocket()

SOCKET C4NetIOTCP::CreateSocket ( addr_t::AddressFamily  family)
protectedinherited

Definition at line 1172 of file C4NetIO.cpp.

References closesocket, C4NetIO::InitIPv6Socket(), INVALID_SOCKET, C4NetIO::HostAddress::IPv6, C4NetIO::SetError(), SOCK_CLOEXEC, and SOCKET.

Referenced by C4NetIOTCP::Bind(), and C4NetIOTCP::Connect().

1173 {
1174  // create new socket
1175  SOCKET nsock = ::socket(family == HostAddress::IPv6 ? AF_INET6 : AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP);
1176  if (nsock == INVALID_SOCKET)
1177  {
1178  SetError("socket creation failed", true);
1179  return INVALID_SOCKET;
1180  }
1181 
1182  if (family == HostAddress::IPv6)
1183  if (!InitIPv6Socket(nsock))
1184  {
1185  closesocket(nsock);
1186  return INVALID_SOCKET;
1187  }
1188 
1189  return nsock;
1190 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
bool InitIPv6Socket(SOCKET socket)
Definition: C4NetIO.cpp:730
#define SOCKET
Definition: C4NetIO.h:35
#define SOCK_CLOEXEC
Definition: C4NetIO.h:50
#define closesocket
Definition: C4NetIO.cpp:46
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◆ Execute() [1/2]

bool C4Network2HTTPClient::Execute ( int  iMaxTime,
pollfd *  readyfds 
)
inlineoverridevirtualinherited

Reimplemented from C4NetIOTCP.

Definition at line 192 of file C4Network2Reference.h.

References C4Network2HTTPClient::Execute().

Referenced by C4Network2HTTPClient::Execute(), C4Game::InitNetworkFromAddress(), C4Network2::LeagueEnd(), C4Network2::LeaguePlrAuth(), C4Network2::LeaguePlrAuthCheck(), C4Network2::LeagueStart(), C4Network2::LeagueWaitNotBusy(), and C4DownloadDlg::OnIdle().

192 { return Execute(iMaxTime); }
bool Execute(int iMaxTime, pollfd *readyfds) override
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◆ Execute() [2/2]

bool C4Network2HTTPClient::Execute ( int  iMaxTime = TO_INF)
virtualinherited

Definition at line 432 of file C4Network2Reference.cpp.

References Application, ControllerKeys::Cancel(), C4NetIOTCP::Execute(), C4Application::InteractiveThread, C4TimeMilliseconds::Now(), C4TimeMilliseconds::PositiveInfinity, and C4InteractiveThread::ThreadLogS().

433 {
434  // Check timeout
435  if (fBusy)
436  {
437  if (C4TimeMilliseconds::Now() > HappyEyeballsTimeout)
438  {
439  HappyEyeballsTimeout = C4TimeMilliseconds::PositiveInfinity;
440  Application.InteractiveThread.ThreadLogS("HTTP: Starting fallback connection to %s (%s)", Server.getData(), ServerAddrFallback.ToString().getData());
441  Connect(ServerAddrFallback);
442  }
443  if (time(nullptr) > iRequestTimeout)
444  {
445  Cancel("Request timeout");
446  return true;
447  }
448  }
449  // Execute normally
450  return C4NetIOTCP::Execute(iMaxTime);
451 }
bool Execute(int iMaxTime=TO_INF, pollfd *readyfds=nullptr) override
Definition: C4NetIO.cpp:919
bool ThreadLogS(const char *szMessage,...) GNUC_FORMAT_ATTRIBUTE_O
StdStrBuf ToString(int flags=0) const
Definition: C4NetIO.cpp:604
void Cancel(const char *szReason)
bool Connect(const addr_t &addr, std::unique_ptr< Socket > socket)
Definition: C4NetIO.cpp:1207
const char * getData() const
Definition: StdBuf.h:442
C4Application Application
Definition: C4Globals.cpp:44
C4InteractiveThread InteractiveThread
Definition: C4Application.h:45
static C4TimeMilliseconds Now()
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◆ ExecuteUntil()

bool StdSchedulerProc::ExecuteUntil ( int  iTimeout = -1)
inherited

Definition at line 33 of file StdScheduler.cpp.

References StdSchedulerProc::Execute(), and C4TimeMilliseconds::Now().

Referenced by main().

34 {
35  // Infinite?
36  if (iTimeout < 0)
37  for (;;)
38  if (!Execute())
39  return false;
40  // Calculate endpoint
41  C4TimeMilliseconds tStopTime = C4TimeMilliseconds::Now() + iTimeout;
42  for (;;)
43  {
44  // Call execute with given timeout
45  if (!Execute(std::max(iTimeout, 0)))
46  return false;
47  // Calculate timeout
49  if (tTime >= tStopTime)
50  break;
51  iTimeout = tStopTime - tTime;
52  }
53  // All ok.
54  return true;
55 }
virtual bool Execute(int iTimeout=-1, pollfd *readyfds=nullptr)=0
static C4TimeMilliseconds Now()
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◆ GetConnectWait()

C4NetIOTCP::ConnectWait * C4NetIOTCP::GetConnectWait ( const addr_t addr)
protectedinherited

Definition at line 1667 of file C4NetIO.cpp.

References C4NetIOTCP::ConnectWait::Next, and C4NetIOTCP::PeerListCSec.

Referenced by C4NetIOTCP::Close().

1668 {
1669  CStdShareLock PeerListLock(&PeerListCSec);
1670  // search
1671  for (ConnectWait *pWait = pConnectWaits; pWait; pWait = pWait->Next)
1672  if (pWait->addr == addr)
1673  return pWait;
1674  return nullptr;
1675 }
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
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◆ GetConnStatistic()

bool C4NetIOTCP::GetConnStatistic ( const addr_t addr,
int *  pIRate,
int *  pORate,
int *  pLoss 
)
overridevirtualinherited

Implements C4NetIO.

Definition at line 1406 of file C4NetIO.cpp.

References C4NetIOTCP::Peer::GetIRate(), C4NetIOTCP::Peer::GetORate(), C4NetIOTCP::GetPeer(), C4NetIOTCP::Peer::Open(), and C4NetIOTCP::PeerListCSec.

1407 {
1408  CStdShareLock PeerListLock(&PeerListCSec);
1409  // find peer
1410  Peer *pPeer = GetPeer(addr);
1411  if (!pPeer || !pPeer->Open()) return false;
1412  // return statistics
1413  if (pIRate) *pIRate = pPeer->GetIRate();
1414  if (pORate) *pORate = pPeer->GetORate();
1415  if (pLoss) *pLoss = 0;
1416  return true;
1417 }
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
Peer * GetPeer(const addr_t &addr)
Definition: C4NetIO.cpp:1593
friend class Peer
Definition: C4NetIO.h:455
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◆ GetDefaultPort()

int32_t C4Network2RefClient::GetDefaultPort ( )
inlineoverrideprotectedvirtual

Reimplemented from C4Network2HTTPClient.

Definition at line 219 of file C4Network2Reference.h.

References C4NetStdPortRefServer.

219 { return C4NetStdPortRefServer; }
const int16_t C4NetStdPortRefServer
Definition: C4Network2.h:32

◆ getDownloadedSize()

size_t C4Network2HTTPClient::getDownloadedSize ( ) const
inlineinherited

Definition at line 177 of file C4Network2Reference.h.

Referenced by C4DownloadDlg::OnIdle().

177 { return iDownloadedSize; }
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◆ GetError()

virtual const char* C4NetIO::GetError ( ) const
inlinevirtualinherited

Definition at line 285 of file C4NetIO.h.

References StdStrBuf::getData().

Referenced by C4Network2IO::ConnectWithSocket(), C4NetIOUDP::DoLoopbackTest(), C4StartupNetDlg::DoRefresh(), C4DownloadDlg::GetError(), C4Network2IO::Init(), C4NetIOUDP::InitBroadcast(), C4Network2::InitLeague(), C4Game::InitNetworkFromAddress(), C4Network2::LeagueEnd(), C4Network2::LeaguePlrAuthCheck(), C4Network2::LeagueStart(), C4Network2::LeagueUpdate(), C4Network2::LeagueUpdateProcessReply(), main(), MyCBClass::OnConn(), C4ChatControl::OnConnectBtn(), MyCBClass::OnPacket(), C4StartupNetListEntry::OnReference(), C4ChatControl::ProcessInput(), C4Network2IOConnection::Send(), and C4StartupNetListEntry::SetRefQuery().

285 { return Error.getData(); }
StdCopyStrBuf Error
Definition: C4NetIO.h:282
const char * getData() const
Definition: StdBuf.h:442
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◆ GetFDs()

void C4NetIOTCP::GetFDs ( std::vector< struct pollfd > &  FDs)
overridevirtualinherited

Reimplemented from StdSchedulerProc.

Definition at line 1364 of file C4NetIO.cpp.

References INVALID_SOCKET, C4NetIOTCP::lsock, C4NetIOTCP::Peer::Next, C4NetIOTCP::ConnectWait::Next, C4NetIOTCP::PeerListCSec, C4NetIOTCP::Pipe, and C4NetIOTCP::pPeerList.

Referenced by C4NetIOTCP::Execute().

1365 {
1366  pollfd pfd; pfd.revents = 0;
1367  // add pipe
1368  pfd.fd = Pipe[0]; pfd.events = POLLIN;
1369  fds.push_back(pfd);
1370  // add listener
1371  if (lsock != INVALID_SOCKET)
1372  {
1373  pfd.fd = lsock; pfd.events = POLLIN;
1374  fds.push_back(pfd);
1375  }
1376  // add connect waits (wait for them to become writeable)
1377  CStdShareLock PeerListLock(&PeerListCSec);
1378  for (ConnectWait *pWait = pConnectWaits; pWait; pWait = pWait->Next)
1379  {
1380  pfd.fd = pWait->sock; pfd.events = POLLOUT;
1381  fds.push_back(pfd);
1382  }
1383  // add sockets
1384  for (Peer *pPeer = pPeerList; pPeer; pPeer = pPeer->Next)
1385  if (pPeer->GetSocket())
1386  {
1387  // Wait for socket to become readable
1388  pfd.fd = pPeer->GetSocket(); pfd.events = POLLIN;
1389  // Wait for socket to become writeable, if there is data waiting
1390  if (pPeer->hasWaitingData())
1391  {
1392  pfd.events |= POLLOUT;
1393  }
1394  fds.push_back(pfd);
1395  }
1396 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
Peer * pPeerList
Definition: C4NetIO.h:457
int Pipe[2]
Definition: C4NetIO.h:484
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455
SOCKET lsock
Definition: C4NetIO.h:477
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◆ GetLocalAddresses()

std::vector< C4NetIO::HostAddress > C4NetIO::GetLocalAddresses ( )
staticinherited

Definition at line 631 of file C4NetIO.cpp.

References C4NetIO::HostAddress::IsLoopback(), and C4NetIO::HostAddress::SetHost().

Referenced by C4Network2Client::AddLocalAddrs(), and C4NetIOUDP::InitBroadcast().

632 {
633  std::vector<HostAddress> result;
634 
635 #ifdef HAVE_WINSOCK
636  HostAddress addr;
637  const size_t BUFFER_SIZE = 16000;
638  PIP_ADAPTER_ADDRESSES addresses = nullptr;
639  for (int i = 0; i < 3; ++i)
640  {
641  addresses = (PIP_ADAPTER_ADDRESSES) realloc(addresses, BUFFER_SIZE * (i+1));
642  if (!addresses)
643  // allocation failed
644  return result;
645  ULONG bufsz = BUFFER_SIZE * (i+1);
646  DWORD rv = GetAdaptersAddresses(AF_UNSPEC,
647  GAA_FLAG_SKIP_ANYCAST|GAA_FLAG_SKIP_MULTICAST|GAA_FLAG_SKIP_DNS_SERVER|GAA_FLAG_SKIP_FRIENDLY_NAME,
648  nullptr, addresses, &bufsz);
649  if (rv == ERROR_BUFFER_OVERFLOW)
650  // too little space, try again
651  continue;
652  if (rv != NO_ERROR)
653  {
654  // Something else happened
655  free(addresses);
656  return result;
657  }
658  // All okay, add addresses
659  for (PIP_ADAPTER_ADDRESSES address = addresses; address; address = address->Next)
660  {
661  for (PIP_ADAPTER_UNICAST_ADDRESS unicast = address->FirstUnicastAddress; unicast; unicast = unicast->Next)
662  {
663  addr.SetHost(unicast->Address.lpSockaddr);
664  if (addr.IsLoopback())
665  continue;
666  result.push_back(addr);
667  }
668  }
669  }
670  free(addresses);
671 #else
672  bool have_ipv6 = false;
673 
674 #ifdef __linux__
675  // Get IPv6 addresses on Linux from procfs which allows filtering deprecated privacy addresses.
676  FILE *f = fopen("/proc/net/if_inet6", "r");
677  if (f)
678  {
679  sockaddr_in6 sa6 = sockaddr_in6();
680  sa6.sin6_family = AF_INET6;
681  auto a6 = sa6.sin6_addr.s6_addr;
682  uint8_t if_idx, plen, scope, flags;
683  char devname[20];
684  while (fscanf(f, "%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx %02hhx %02hhx %02hhx %02hhx %20s\n",
685  &a6[0], &a6[1], &a6[2], &a6[3], &a6[4], &a6[5], &a6[6], &a6[7],
686  &a6[8], &a6[9], &a6[10], &a6[11], &a6[12], &a6[13], &a6[14], &a6[15],
687  &if_idx, &plen, &scope, &flags, devname) != EOF)
688  {
689  // Skip loopback and deprecated addresses.
690  if (scope == IPV6_ADDR_LOOPBACK || flags & IFA_F_DEPRECATED)
691  continue;
692  sa6.sin6_scope_id = scope == IPV6_ADDR_LINKLOCAL ? if_idx : 0;
693  result.emplace_back((sockaddr*) &sa6);
694  }
695  have_ipv6 = result.size() > 0;
696  fclose(f);
697  }
698 #endif
699 
700  struct ifaddrs* addrs;
701  if (getifaddrs(&addrs) < 0)
702  return result;
703  for (struct ifaddrs* ifaddr = addrs; ifaddr != nullptr; ifaddr = ifaddr->ifa_next)
704  {
705  struct sockaddr* ad = ifaddr->ifa_addr;
706  if (ad == nullptr) continue;
707 
708  if ((ad->sa_family == AF_INET || (!have_ipv6 && ad->sa_family == AF_INET6)) && (~ifaddr->ifa_flags & IFF_LOOPBACK)) // Choose only non-loopback IPv4/6 devices
709  {
710  result.emplace_back(ad);
711  }
712  }
713  freeifaddrs(addrs);
714 #endif
715 
716  return result;
717 }
uint32_t DWORD
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◆ GetNextTick()

C4TimeMilliseconds C4Network2HTTPClient::GetNextTick ( C4TimeMilliseconds  tNow)
overridevirtualinherited

Reimplemented from StdSchedulerProc.

Definition at line 453 of file C4Network2Reference.cpp.

References StdSchedulerProc::GetNextTick(), and C4TimeMilliseconds::Now().

454 {
455  C4TimeMilliseconds tNetIOTCPTick = C4NetIOTCP::GetNextTick(tNow);
456  if (!fBusy)
457  return tNetIOTCPTick;
458 
459  C4TimeMilliseconds tHTTPClientTick = tNow + 1000 * std::max<time_t>(iRequestTimeout - time(nullptr), 0);
460 
461  C4TimeMilliseconds HappyEyeballsTick = tNow + std::max(HappyEyeballsTimeout - C4TimeMilliseconds::Now(), 0);
462 
463  return std::min({tNetIOTCPTick, tHTTPClientTick, HappyEyeballsTick});
464 }
virtual C4TimeMilliseconds GetNextTick(C4TimeMilliseconds tNow)
static C4TimeMilliseconds Now()
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◆ GetPeer()

C4NetIOTCP::Peer * C4NetIOTCP::GetPeer ( const addr_t addr)
protectedinherited

Definition at line 1593 of file C4NetIO.cpp.

References C4NetIOTCP::Peer::Next, C4NetIOTCP::PeerListCSec, and C4NetIOTCP::pPeerList.

Referenced by C4NetIOTCP::Close(), C4NetIOTCP::GetConnStatistic(), C4NetIOTCP::Send(), and C4NetIOTCP::SetBroadcast().

1594 {
1595  CStdShareLock PeerListLock(&PeerListCSec);
1596  for (Peer *pPeer = pPeerList; pPeer; pPeer = pPeer->Next)
1597  if (pPeer->Open())
1598  if (pPeer->GetAddr() == addr)
1599  return pPeer;
1600  return nullptr;
1601 }
Peer * pPeerList
Definition: C4NetIO.h:457
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455
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◆ GetReferences()

bool C4Network2RefClient::GetReferences ( C4Network2Reference **&  rpReferences,
int32_t &  rRefCount 
)

Definition at line 650 of file C4Network2Reference.cpp.

References StdCompilerINIRead::Begin(), StdCompilerINIRead::End(), StdStrBuf::getData(), mkArrayAdaptMap(), mkNamingAdapt(), mkNamingCountAdapt(), StdCompiler::Exception::Msg, StdCompilerINIRead::setInput(), C4Network2Reference::SetSourceAddress(), and StdCompiler::Value().

Referenced by C4Game::InitNetworkFromAddress(), and C4StartupNetListEntry::OnReference().

651 {
652  // Sanity check
653  if (isBusy() || !isSuccess()) return false;
654  // local update test
655  try
656  {
657  // Create compiler
658  StdCompilerINIRead Comp;
659  Comp.setInput(ResultString);
660  Comp.Begin();
661  // Read reference count
662  Comp.Value(mkNamingCountAdapt(rRefCount, "Reference"));
663  // Create reference array and initialize
664  rpReferences = new C4Network2Reference *[rRefCount];
665  for (int i = 0; i < rRefCount; i++)
666  rpReferences[i] = nullptr;
667  // Get references
668  Comp.Value(mkNamingAdapt(mkArrayAdaptMap(rpReferences, rRefCount, mkPtrAdaptNoNull<C4Network2Reference>), "Reference"));
669  mkPtrAdaptNoNull<C4Network2Reference>(*rpReferences);
670  // Done
671  Comp.End();
672  }
673  catch (StdCompiler::Exception *pExc)
674  {
675  SetError(pExc->Msg.getData());
676  return false;
677  }
678  // Set source ip
679  for (int i = 0; i < rRefCount; i++)
680  rpReferences[i]->SetSourceAddress(getServerAddress());
681  // Done
682  ResetError();
683  return true;
684 }
void ResetError()
Definition: C4NetIO.h:286
StdNamingCountAdapt< int_t > mkNamingCountAdapt(int_t &iCount, const char *szName)
Definition: StdAdaptors.h:994
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
void setInput(const InT &In)
Definition: StdCompiler.h:630
const C4NetIO::addr_t & getServerAddress() const
StdNamingAdapt< T > mkNamingAdapt(T &&rValue, const char *szName)
Definition: StdAdaptors.h:92
void Value(const T &rStruct)
Definition: StdCompiler.h:161
const char * getData() const
Definition: StdBuf.h:442
void Begin() override
void End() override
StdArrayAdapt< T, M > mkArrayAdaptMap(T *pArray, int iSize, M &&map)
Definition: StdAdaptors.h:331
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◆ getRequest()

const char* C4Network2HTTPClient::getRequest ( ) const
inlineinherited

Definition at line 181 of file C4Network2Reference.h.

References StdStrBuf::getData().

Referenced by C4DownloadDlg::OnIdle().

181 { return RequestPath.getData(); }
const char * getData() const
Definition: StdBuf.h:442
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◆ getResultBin()

const StdBuf& C4Network2HTTPClient::getResultBin ( ) const
inlineinherited

Definition at line 178 of file C4Network2Reference.h.

Referenced by C4DownloadDlg::ShowModal().

178 { assert(fBinary); return ResultBin; }
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◆ getResultString()

const char* C4Network2HTTPClient::getResultString ( ) const
inlineinherited

Definition at line 179 of file C4Network2Reference.h.

References StdStrBuf::getData().

179 { assert(!fBinary); return ResultString.getData(); }
const char * getData() const
Definition: StdBuf.h:442
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◆ getServerAddress()

const C4NetIO::addr_t& C4Network2HTTPClient::getServerAddress ( ) const
inlineinherited

Definition at line 182 of file C4Network2Reference.h.

References ControllerKeys::Cancel().

182 { return ServerAddr; }
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◆ getServerName()

const char* C4Network2HTTPClient::getServerName ( ) const
inlineinherited

Definition at line 180 of file C4Network2Reference.h.

References StdStrBuf::getData().

Referenced by C4StartupNetListEntry::GetJoinAddress(), C4Network2::LeagueEnd(), C4Network2::LeaguePlrAuth(), C4Network2::LeagueStart(), and C4StartupNetListEntry::SetRefQuery().

180 { return Server.getData(); }
const char * getData() const
Definition: StdBuf.h:442
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◆ GetStatistic()

bool C4NetIOTCP::GetStatistic ( int *  pBroadcastRate)
overridevirtualinherited

Implements C4NetIO.

Definition at line 1399 of file C4NetIO.cpp.

1400 {
1401  // no broadcast
1402  if (pBroadcastRate) *pBroadcastRate = 0;
1403  return true;
1404 }

◆ getTotalSize()

size_t C4Network2HTTPClient::getTotalSize ( ) const
inlineinherited

Definition at line 176 of file C4Network2Reference.h.

Referenced by C4DownloadDlg::OnIdle().

176 { return iTotalSize; }
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◆ Init()

bool C4NetIOTCP::Init ( uint16_t  iPort = addr_t::IPPORT_NONE)
overridevirtualinherited

Implements C4NetIO.

Reimplemented in C4AulDebug.

Definition at line 811 of file C4NetIO.cpp.

References C4NetIOTCP::Close(), C4NetIOTCP::fInit, C4NetIO::EndpointAddress::IPPORT_NONE, C4NetIOTCP::Listen(), C4NetIOTCP::Pipe, and C4NetIO::SetError().

Referenced by C4StartupNetDlg::CheckVersionUpdate(), C4AulDebug::Init(), C4Network2IO::Init(), C4Network2::InitLeague(), C4Game::InitNetworkFromAddress(), main(), C4StartupNetListEntry::SetRefQuery(), and C4DownloadDlg::ShowModal().

812 {
813  // already init? close first
814  if (fInit) Close();
815 
816 #ifdef HAVE_WINSOCK
817  // init winsock
818  if (!AcquireWinSock())
819  {
820  SetError("could not start winsock");
821  return false;
822  }
823 #endif
824 
825 #ifdef STDSCHEDULER_USE_EVENTS
826  // create event
827  if ((Event = WSACreateEvent()) == WSA_INVALID_EVENT)
828  {
829  SetError("could not create socket event", true); // to do: more error information
830  return false;
831  }
832 #else
833  // create pipe
834  if (pipe(Pipe) != 0)
835  {
836  SetError("could not create pipe", true);
837  return false;
838  }
839 #endif
840 
841  // create listen socket (if necessary)
842  if (iPort != addr_t::IPPORT_NONE)
843  if (!Listen(iPort))
844  return false;
845 
846  // ok
847  fInit = true;
848  return true;
849 }
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
bool Listen(uint16_t inListenPort)
Definition: C4NetIO.cpp:1538
int Pipe[2]
Definition: C4NetIO.h:484
bool Close() override
Definition: C4NetIO.cpp:857
bool fInit
Definition: C4NetIO.h:473
static const uint16_t IPPORT_NONE
Definition: C4NetIO.h:137
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◆ InitBroadcast()

bool C4NetIOTCP::InitBroadcast ( addr_t pBroadcastAddr)
virtualinherited

Definition at line 851 of file C4NetIO.cpp.

Referenced by main().

852 {
853  // ignore
854  return true;
855 }
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◆ InitIPv6Socket()

bool C4NetIO::InitIPv6Socket ( SOCKET  socket)
protectedinherited

Definition at line 730 of file C4NetIO.cpp.

References C4NetIO::SetError(), and SOCKET_ERROR.

Referenced by C4NetIOTCP::CreateSocket(), C4NetIOSimpleUDP::Init(), C4NetIO::IsNotify(), and C4NetIOTCP::Listen().

731 {
732  int opt = 0;
733  if (setsockopt(socket, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<char*>(&opt), sizeof(opt)) == SOCKET_ERROR)
734  {
735  SetError("could not enable dual-stack socket", true);
736  return false;
737  }
738 
739 #ifdef IPV6_ADDR_PREFERENCES
740  // Prefer stable addresses. This should prevent issues with address
741  // deprecation while a match is running. No error handling - if the call
742  // fails, we just take any address.
743  opt = IPV6_PREFER_SRC_PUBLIC;
744  setsockopt(socket, IPPROTO_IPV6, IPV6_ADDR_PREFERENCES, reinterpret_cast<char*>(&opt), sizeof(opt));
745 #endif
746 
747  return true;
748 }
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
#define SOCKET_ERROR
Definition: C4NetIO.cpp:47
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◆ isBusy()

bool C4Network2HTTPClient::isBusy ( ) const
inlineinherited

◆ isConnected()

bool C4Network2HTTPClient::isConnected ( ) const
inlineinherited

Definition at line 175 of file C4Network2Reference.h.

Referenced by C4DownloadDlg::OnIdle().

175 { return fConnected; }
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◆ IsLowPriority()

virtual bool StdSchedulerProc::IsLowPriority ( )
inlinevirtualinherited

Definition at line 82 of file StdScheduler.h.

82 { return false; }

◆ IsNotify()

bool C4NetIO::IsNotify ( )
inlineoverridevirtualinherited

Reimplemented from StdSchedulerProc.

Definition at line 259 of file C4NetIO.h.

References C4NetIO::Broadcast(), C4NetIO::ClearStatistic(), C4NetIO::Close(), C4NetIO::Connect(), C4NetIO::GetConnStatistic(), C4NetIO::GetStatistic(), C4NetIO::InitIPv6Socket(), C4NetIO::Send(), C4NetIO::SetBroadcast(), and SOCKET.

259 { return true; }
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◆ IsSignaled()

bool StdSchedulerProc::IsSignaled ( )
inherited

Referenced by StdSchedulerProc::GetFDs().

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◆ isSuccess()

bool C4Network2HTTPClient::isSuccess ( ) const
inlineinherited

Definition at line 174 of file C4Network2Reference.h.

Referenced by C4Game::InitNetworkFromAddress(), C4Network2::LeagueEnd(), C4Network2::LeaguePlrAuthCheck(), C4Network2::LeagueStart(), C4Network2::LeagueUpdateProcessReply(), C4StartupNetDlg::OnBtnRecord(), C4DownloadDlg::OnIdle(), and C4StartupNetListEntry::OnReference().

174 { return fSuccess; }
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◆ Listen()

bool C4NetIOTCP::Listen ( uint16_t  inListenPort)
protectedinherited

Definition at line 1538 of file C4NetIO.cpp.

References C4NetIO::HostAddress::Any, StdSchedulerProc::Changed(), closesocket, C4NetIO::HostAddress::GetAddrLen(), C4NetIOTCP::iListenPort, C4NetIO::InitIPv6Socket(), INVALID_SOCKET, C4NetIO::EndpointAddress::IPPORT_NONE, C4NetIOTCP::lsock, C4NetIO::SetError(), C4NetIO::EndpointAddress::SetPort(), SOCK_CLOEXEC, and SOCKET_ERROR.

Referenced by C4NetIOTCP::Execute(), and C4NetIOTCP::Init().

1539 {
1540  // already listening?
1541  if (lsock != INVALID_SOCKET)
1542  // close existing socket
1543  closesocket(lsock);
1545 
1546  // create socket
1547  if ((lsock = ::socket(AF_INET6, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP)) == INVALID_SOCKET)
1548  {
1549  SetError("socket creation failed", true);
1550  return false;
1551  }
1552  if (!InitIPv6Socket(lsock))
1553  return false;
1554  // To be able to reuse the port after close
1555 #if !defined(_DEBUG) && !defined(_WIN32)
1556  int reuseaddr = 1;
1557  setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<const char *>(&reuseaddr), sizeof(reuseaddr));
1558 #endif
1559  // bind listen socket
1560  addr_t addr = addr_t::Any;
1561  addr.SetPort(inListenPort);
1562  if (::bind(lsock, &addr, addr.GetAddrLen()) == SOCKET_ERROR)
1563  {
1564  SetError("socket bind failed", true);
1566  return false;
1567  }
1568 
1569 #ifdef STDSCHEDULER_USE_EVENTS
1570  // set event callback
1571  if (::WSAEventSelect(lsock, Event, FD_ACCEPT | FD_CLOSE) == SOCKET_ERROR)
1572  {
1573  SetError("could not set event for listen socket", true);
1575  return false;
1576  }
1577 #endif
1578 
1579  // start listening
1580  if (::listen(lsock, SOMAXCONN) == SOCKET_ERROR)
1581  {
1582  SetError("socket listen failed", true);
1584  return false;
1585  }
1586 
1587  // ok
1588  iListenPort = inListenPort;
1589  Changed();
1590  return true;
1591 }
#define INVALID_SOCKET
Definition: C4NetIO.h:36
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
bool InitIPv6Socket(SOCKET socket)
Definition: C4NetIO.cpp:730
EndpointAddress addr_t
Definition: C4NetIO.h:212
#define SOCK_CLOEXEC
Definition: C4NetIO.h:50
#define closesocket
Definition: C4NetIO.cpp:46
static const uint16_t IPPORT_NONE
Definition: C4NetIO.h:137
SOCKET lsock
Definition: C4NetIO.h:477
uint16_t iListenPort
Definition: C4NetIO.h:476
#define SOCKET_ERROR
Definition: C4NetIO.cpp:47
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◆ OnConn()

bool C4Network2HTTPClient::OnConn ( const C4NetIO::addr_t AddrPeer,
const C4NetIO::addr_t AddrConnect,
const addr_t pOwnAddr,
C4NetIO pNetIO 
)
overrideprotectedvirtualinherited

Reimplemented from C4NetIO::CBClass.

Definition at line 394 of file C4Network2Reference.cpp.

395 {
396  // Make sure we're actually waiting for this connection
397  if (fConnected || (AddrConnect != ServerAddr && AddrConnect != ServerAddrFallback))
398  return false;
399  // Save pack peer address
400  PeerAddr = AddrPeer;
401  // Send the request
402  if (!Send(C4NetIOPacket(Request, AddrPeer)))
403  {
404  Error.Format("Unable to send HTTP request: %s", Error.getData());
405  }
406  Request.Clear();
407  fConnected = true;
408  return true;
409 }
bool Send(const C4NetIOPacket &rPacket) override
Definition: C4NetIO.cpp:1310
void Clear()
Definition: StdBuf.h:190
StdCopyStrBuf Error
Definition: C4NetIO.h:282
void Format(const char *szFmt,...) GNUC_FORMAT_ATTRIBUTE_O
Definition: StdBuf.cpp:174
const char * getData() const
Definition: StdBuf.h:442

◆ OnDisconn()

void C4Network2HTTPClient::OnDisconn ( const C4NetIO::addr_t AddrPeer,
C4NetIO pNetIO,
const char *  szReason 
)
overrideprotectedvirtualinherited

Reimplemented from C4NetIO::CBClass.

Definition at line 411 of file C4Network2Reference.cpp.

412 {
413  // Got no complete packet? Failure...
414  if (!fSuccess && Error.isNull())
415  {
416  fBusy = false;
417  Error.Format("Unexpected disconnect: %s", szReason);
418  }
419  fConnected = false;
420  // Notify
421  if (pNotify)
422  pNotify->PushEvent(Ev_HTTP_Response, this);
423 }
StdCopyStrBuf Error
Definition: C4NetIO.h:282
void Format(const char *szFmt,...) GNUC_FORMAT_ATTRIBUTE_O
Definition: StdBuf.cpp:174
bool PushEvent(C4InteractiveEventType eEventType, void *pData=nullptr)
bool isNull() const
Definition: StdBuf.h:441

◆ OnPacket()

void C4Network2HTTPClient::OnPacket ( const class C4NetIOPacket rPacket,
C4NetIO pNetIO 
)
overrideprotectedvirtualinherited

Implements C4NetIO::CBClass.

Definition at line 425 of file C4Network2Reference.cpp.

References Ev_HTTP_Response.

426 {
427  // Everything worthwhile was already done in UnpackPacket. Only do notify callback
428  if (pNotify)
429  pNotify->PushEvent(Ev_HTTP_Response, this);
430 }
bool PushEvent(C4InteractiveEventType eEventType, void *pData=nullptr)

◆ OnShareFree()

void C4NetIOTCP::OnShareFree ( CStdCSecEx pCSec)
overrideprotectedvirtualinherited

Implements CStdCSecExCallback.

Definition at line 1603 of file C4NetIO.cpp.

References C4NetIOTCP::Peer::Next, C4NetIOTCP::ConnectWait::Next, C4NetIOTCP::Peer::Open(), C4NetIOTCP::PeerListCSec, C4NetIOTCP::pPeerList, and C4NetIOTCP::ConnectWait::sock.

1604 {
1605  if (pCSec == &PeerListCSec)
1606  {
1607  // clear up
1608  Peer *pPeer = pPeerList, *pLast = nullptr;
1609  while (pPeer)
1610  {
1611  // delete?
1612  if (!pPeer->Open())
1613  {
1614  // unlink
1615  Peer *pDelete = pPeer;
1616  pPeer = pPeer->Next;
1617  (pLast ? pLast->Next : pPeerList) = pPeer;
1618  // delete
1619  delete pDelete;
1620  }
1621  else
1622  {
1623  // next peer
1624  pLast = pPeer;
1625  pPeer = pPeer->Next;
1626  }
1627  }
1628  ConnectWait *pWait = pConnectWaits, *pWLast = nullptr;
1629  while (pWait)
1630  {
1631  // delete?
1632  if (!pWait->sock)
1633  {
1634  // unlink
1635  ConnectWait *pDelete = pWait;
1636  pWait = pWait->Next;
1637  (pWLast ? pWLast->Next : pConnectWaits) = pWait;
1638  // delete
1639  delete pDelete;
1640  }
1641  else
1642  {
1643  // next peer
1644  pWLast = pWait;
1645  pWait = pWait->Next;
1646  }
1647  }
1648  }
1649 }
Peer * pPeerList
Definition: C4NetIO.h:457
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
friend class Peer
Definition: C4NetIO.h:455
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◆ PackPacket()

void C4Network2HTTPClient::PackPacket ( const C4NetIOPacket rPacket,
StdBuf rOutBuf 
)
overrideprotectedvirtualinherited

Reimplemented from C4NetIOTCP.

Definition at line 247 of file C4Network2Reference.cpp.

References StdBuf::Append().

248 {
249  // Just append the packet
250  rOutBuf.Append(rPacket);
251 }
void Append(const void *pnData, size_t inSize)
Definition: StdBuf.h:254
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◆ Query() [1/2]

bool C4Network2HTTPClient::Query ( const StdBuf Data,
bool  fBinary 
)
inherited

Definition at line 466 of file C4Network2Reference.cpp.

References C4Network2HTTPHappyEyeballsTimeout, ControllerKeys::Cancel(), Config, StdStrBuf::Format(), C4Config::General, StdStrBuf::getLength(), StdBuf::getSize(), StdStrBuf::GrabPointer(), C4ConfigGeneral::LanguageEx, C4TimeMilliseconds::Now(), and C4TimeMilliseconds::PositiveInfinity.

Referenced by C4DownloadDlg::ShowModal().

467 {
468  if (Server.isNull()) return false;
469  // Cancel previous request
470  if (fBusy)
471  Cancel("Cancelled");
472  // No result known yet
474  // store mode
475  this->fBinary = fBinary;
476  // Create request
477  StdStrBuf Header;
478  if (Data.getSize())
479  Header.Format(
480  "POST %s HTTP/1.0\r\n"
481  "Host: %s\r\n"
482  "Connection: Close\r\n"
483  "Content-Length: %lu\r\n"
484  "Content-Type: text/plain; charset=utf-8\r\n"
485  "Accept-Charset: utf-8\r\n"
486  "Accept-Encoding: gzip\r\n"
487  "Accept-Language: %s\r\n"
488  "User-Agent: " C4ENGINENAME "/" C4VERSION "\r\n"
489  "\r\n",
490  RequestPath.getData(),
491  Server.getData(),
492  static_cast<unsigned long>(Data.getSize()),
494  else
495  Header.Format(
496  "GET %s HTTP/1.0\r\n"
497  "Host: %s\r\n"
498  "Connection: Close\r\n"
499  "Accept-Charset: utf-8\r\n"
500  "Accept-Encoding: gzip\r\n"
501  "Accept-Language: %s\r\n"
502  "User-Agent: " C4ENGINENAME "/" C4VERSION "\r\n"
503  "\r\n",
504  RequestPath.getData(),
505  Server.getData(),
507  // Compose query
508  Request.Take(Header.GrabPointer(), Header.getLength());
509  Request.Append(Data);
510  // Start connecting
511  if (!Connect(ServerAddr))
512  return false;
513  // Also try the fallback address after some time (if there is one)
514  if (!ServerAddrFallback.IsNull())
516  else
517  HappyEyeballsTimeout = C4TimeMilliseconds::PositiveInfinity;
518  // Okay, request will be performed when connection is complete
519  fBusy = true;
520  iDataOffset = 0;
522  ResetError();
523  return true;
524 }
void ResetError()
Definition: C4NetIO.h:286
C4Config Config
Definition: C4Config.cpp:833
char * GrabPointer()
Definition: StdBuf.h:459
void Take(void *pnData, size_t inSize)
Definition: StdBuf.h:124
void Clear()
Definition: StdBuf.h:466
C4ConfigGeneral General
Definition: C4Config.h:251
void Format(const char *szFmt,...) GNUC_FORMAT_ATTRIBUTE_O
Definition: StdBuf.cpp:174
void Cancel(const char *szReason)
bool isNull() const
Definition: StdBuf.h:441
size_t getSize() const
Definition: StdBuf.h:101
bool Connect(const addr_t &addr, std::unique_ptr< Socket > socket)
Definition: C4NetIO.cpp:1207
char LanguageEx[CFG_MaxString+1]
Definition: C4Config.h:37
const char * getData() const
Definition: StdBuf.h:442
void Append(const void *pnData, size_t inSize)
Definition: StdBuf.h:254
const uint32_t C4Network2HTTPHappyEyeballsTimeout
size_t getLength() const
Definition: StdBuf.h:445
static C4TimeMilliseconds Now()
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◆ Query() [2/2]

bool C4Network2HTTPClient::Query ( const char *  szData,
bool  fBinary 
)
inlineinherited

Definition at line 171 of file C4Network2Reference.h.

References C4Network2HTTPClient::Query(), and SLen().

Referenced by C4Network2HTTPClient::Query().

171 { return Query(StdBuf(szData, SLen(szData)), fBinary); }
Definition: StdBuf.h:29
size_t SLen(const char *sptr)
Definition: Standard.h:74
bool Query(const StdBuf &Data, bool fBinary)
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◆ QueryReferences()

bool C4Network2RefClient::QueryReferences ( )

Definition at line 644 of file C4Network2Reference.cpp.

Referenced by C4Game::InitNetworkFromAddress(), and C4StartupNetListEntry::SetRefQuery().

645 {
646  // Perform an Query query
647  return Query(nullptr, false);
648 }
bool Query(const StdBuf &Data, bool fBinary)
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◆ ResetError()

void C4NetIO::ResetError ( )
inlineinherited

Definition at line 286 of file C4NetIO.h.

References StdStrBuf::Clear(), and C4NetIO::SetCallback().

Referenced by C4NetIO::C4NetIO(), C4NetIOTCP::Close(), C4NetIOSimpleUDP::Close(), C4NetIOUDP::CloseBroadcast(), C4Network2IO::ConnectWithSocket(), C4NetIOSimpleUDP::Execute(), C4NetIOUDP::Execute(), C4NetIOSimpleUDP::Init(), C4NetIOSimpleUDP::InitBroadcast(), C4NetIOUDP::InitBroadcast(), C4Network2IOConnection::Send(), and C4NetIOSimpleUDP::Send().

286 { Error.Clear(); }
void Clear()
Definition: StdBuf.h:466
StdCopyStrBuf Error
Definition: C4NetIO.h:282
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◆ ResetRequestTimeout()

void C4Network2HTTPClient::ResetRequestTimeout ( )
protectedinherited

Definition at line 526 of file C4Network2Reference.cpp.

References C4Network2HTTPQueryTimeout.

527 {
528  // timeout C4Network2HTTPQueryTimeout seconds from this point
529  iRequestTimeout = time(nullptr) + C4Network2HTTPQueryTimeout;
530 }
const int C4Network2HTTPQueryTimeout

◆ Send() [1/2]

virtual bool C4NetIO::Send ( const class C4NetIOPacket rPacket)
pure virtualinherited

Referenced by C4NetIOUDP::Peer::GetAltAddr(), C4NetIOTCP::Peer::GetORate(), C4NetIO::IsNotify(), main(), MyCBClass::OnConn(), MyCBClass::OnPacket(), C4Network2IOConnection::Send(), and C4Network2IO::SendPuncherPacket().

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◆ Send() [2/2]

bool C4NetIOTCP::Send ( const C4NetIOPacket rPacket)
overrideinherited

Definition at line 1310 of file C4NetIO.cpp.

References C4NetIOPacket::getAddr(), C4NetIOTCP::GetPeer(), C4NetIOTCP::PeerListCSec, and C4NetIOTCP::Peer::Send().

Referenced by C4NetIOTCP::Broadcast(), C4Network2IRCClient::getUserName(), C4AulDebug::OnLog(), and C4Network2IRCClient::Send().

1311 {
1312  CStdShareLock PeerListLock(&PeerListCSec);
1313  // find peer
1314  Peer *pPeer = GetPeer(rPacket.getAddr());
1315  // not found?
1316  if (!pPeer) return false;
1317  // send
1318  return pPeer->Send(rPacket);
1319 }
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
Peer * GetPeer(const addr_t &addr)
Definition: C4NetIO.cpp:1593
friend class Peer
Definition: C4NetIO.h:455
bool Send(const C4NetIOPacket &rPacket)
Definition: C4NetIO.cpp:1751
const C4NetIO::addr_t & getAddr() const
Definition: C4NetIO.h:316
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◆ SetBroadcast()

bool C4NetIOTCP::SetBroadcast ( const addr_t addr,
bool  fSet = true 
)
overridevirtualinherited

Implements C4NetIO.

Definition at line 1321 of file C4NetIO.cpp.

References C4NetIOTCP::GetPeer(), C4NetIOTCP::PeerListCSec, and C4NetIOTCP::Peer::SetBroadcast().

1322 {
1323  CStdShareLock PeerListLock(&PeerListCSec);
1324  // find peer
1325  Peer *pPeer = GetPeer(addr);
1326  if (!pPeer) return false;
1327  // set flag
1328  pPeer->SetBroadcast(fSet);
1329  return true;
1330 }
CStdCSecEx PeerListCSec
Definition: C4NetIO.h:469
Peer * GetPeer(const addr_t &addr)
Definition: C4NetIO.cpp:1593
friend class Peer
Definition: C4NetIO.h:455
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◆ SetCallback() [1/2]

virtual void C4NetIO::SetCallback ( CBClass pnCallback)
pure virtualinherited

Referenced by C4NetIOMan::AddIO(), C4Network2IO::Init(), and C4NetIO::ResetError().

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◆ SetCallback() [2/2]

void C4NetIOTCP::SetCallback ( CBClass *  pnCallback)
inlineoverrideinherited

Definition at line 504 of file C4NetIO.h.

Referenced by C4Network2HTTPClient::C4Network2HTTPClient(), C4Network2IRCClient::Connect(), and C4AulDebug::Init().

504 { pCB = pnCallback; };
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◆ SetError()

void C4NetIO::SetError ( const char *  strnError,
bool  fSockErr = false 
)
protectedinherited

Definition at line 750 of file C4NetIO.cpp.

References C4NetIOPacket::C4NetIOPacket(), StdStrBuf::Copy(), C4NetIO::Error, StdStrBuf::Format(), GetSocketErrorMsg(), and HaveSocketError().

Referenced by C4NetIOTCP::Accept(), C4NetIOTCP::Bind(), C4NetIOSimpleUDP::Broadcast(), C4NetIOSimpleUDP::CloseBroadcast(), C4NetIOTCP::Connect(), C4NetIOTCP::CreateSocket(), C4NetIOUDP::DoLoopbackTest(), C4NetIOTCP::Execute(), C4NetIOSimpleUDP::Execute(), C4NetIOUDP::Execute(), C4NetIOSimpleUDP::GetFDs(), C4NetIOTCP::Init(), C4NetIOSimpleUDP::Init(), C4NetIOSimpleUDP::InitBroadcast(), C4NetIOUDP::InitBroadcast(), C4NetIO::InitIPv6Socket(), C4NetIOTCP::Listen(), C4NetIOTCP::Peer::Send(), C4NetIOSimpleUDP::Send(), C4NetIOTCP::UnBlock(), and C4NetIOSimpleUDP::UnBlock().

751 {
752  fSockErr &= HaveSocketError();
753  if (fSockErr)
754  Error.Format("%s (%s)", strnError, GetSocketErrorMsg());
755  else
756  Error.Copy(strnError);
757 }
const char * GetSocketErrorMsg(int iError)
Definition: C4NetIO.cpp:190
StdCopyStrBuf Error
Definition: C4NetIO.h:282
void Format(const char *szFmt,...) GNUC_FORMAT_ATTRIBUTE_O
Definition: StdBuf.cpp:174
bool HaveSocketError()
Definition: C4NetIO.cpp:199
void Copy()
Definition: StdBuf.h:467
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◆ SetNotify()

void C4Network2HTTPClient::SetNotify ( class C4InteractiveThread pnNotify)
inlineinherited

Definition at line 189 of file C4Network2Reference.h.

Referenced by C4StartupNetDlg::CheckVersionUpdate(), C4StartupNetDlg::OnBtnRecord(), and C4StartupNetListEntry::SetRefQuery().

189 { pNotify = pnNotify; }
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◆ SetServer()

bool C4Network2HTTPClient::SetServer ( const char *  szServerAddress)
inherited

Definition at line 551 of file C4Network2Reference.cpp.

References FormatString(), C4NetIO::HostAddress::IPv4, and C4NetIO::HostAddress::IPv6.

Referenced by C4StartupNetDlg::CheckVersionUpdate(), C4Network2::InitLeague(), C4Game::InitNetworkFromAddress(), C4StartupNetListEntry::SetRefQuery(), and C4DownloadDlg::ShowModal().

552 {
553  // Split address
554  const char *pRequestPath;
555  if ((pRequestPath = strchr(szServerAddress, '/')))
556  {
557  Server.CopyUntil(szServerAddress, '/');
558  RequestPath = pRequestPath;
559  }
560  else
561  {
562  Server = szServerAddress;
563  RequestPath = "/";
564  }
565  // Resolve address
566  ServerAddr.SetAddress(Server);
567  if (ServerAddr.IsNull())
568  {
569  SetError(FormatString("Could not resolve server address %s!", Server.getData()).getData());
570  return false;
571  }
572  ServerAddr.SetDefaultPort(GetDefaultPort());
573  if (ServerAddr.GetFamily() == C4NetIO::HostAddress::IPv6)
574  {
575  // Try to find a fallback IPv4 address for Happy Eyeballs.
576  ServerAddrFallback.SetAddress(Server, C4NetIO::HostAddress::IPv4);
577  ServerAddrFallback.SetDefaultPort(GetDefaultPort());
578  }
579  else
580  ServerAddrFallback.Clear();
581  // Remove port
582  const char *firstColon = strchr(Server.getData(), ':');
583  const char *lastColon = strrchr(Server.getData(), ':');
584  if (firstColon)
585  // hostname/IPv4 address or IPv6 address with port (e.g. [::1]:1234)
586  if (firstColon == lastColon || (Server[0] == '[' && *(lastColon - 1) == ']'))
587  Server.SetLength(lastColon - Server.getData());
588 
589  // Done
590  ResetError();
591  return true;
592 }
void ResetError()
Definition: C4NetIO.h:286
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
virtual int32_t GetDefaultPort()
void SetAddress(const sockaddr *addr)
Definition: C4NetIO.cpp:364
const char * getData() const
Definition: StdBuf.h:442
void CopyUntil(const char *szString, char cUntil)
Definition: StdBuf.h:613
void SetLength(size_t iLength)
Definition: StdBuf.h:509
void SetDefaultPort(uint16_t port)
Definition: C4NetIO.cpp:541
AddressFamily GetFamily() const
Definition: C4NetIO.cpp:520
StdStrBuf FormatString(const char *szFmt,...)
Definition: StdBuf.cpp:270
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◆ TimerInterval()

virtual uint32_t StdSchedulerProc::TimerInterval ( )
inlinevirtualinherited

Reimplemented in CStdTimerProc.

Definition at line 84 of file StdScheduler.h.

Referenced by SCHAdditions::assignAdditionForProc:.

84 { return 0; }
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◆ UnBlock()

void C4NetIOTCP::UnBlock ( )
virtualinherited

Definition at line 1343 of file C4NetIO.cpp.

References C4NetIOTCP::Pipe, and C4NetIO::SetError().

Referenced by C4NetIOTCP::AddConnectWait(), and C4NetIOTCP::Peer::Send().

1344 {
1345 #ifdef STDSCHEDULER_USE_EVENTS
1346  // unblock WaitForSingleObject in C4NetIOTCP::Execute manually
1347  // by setting the Event
1348  WSASetEvent(Event);
1349 #else
1350  // write one character to the pipe, this will unblock everything that
1351  // waits for the FD set returned by GetFDs.
1352  char c = 1;
1353  if (write(Pipe[1], &c, 1) == -1)
1354  SetError("write failed");
1355 #endif
1356 }
void SetError(const char *strnError, bool fSockErr=false)
Definition: C4NetIO.cpp:750
int Pipe[2]
Definition: C4NetIO.h:484
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◆ UnpackPacket()

size_t C4Network2HTTPClient::UnpackPacket ( const StdBuf rInBuf,
const C4NetIO::addr_t addr 
)
overrideprotectedvirtualinherited

Reimplemented from C4NetIOTCP.

Definition at line 253 of file C4Network2Reference.cpp.

References StdStrBuf::Copy(), StdStrBuf::getData(), StdBuf::getPart(), StdBuf::getSize(), and SSearch().

254 {
255  // since new data arrived, increase timeout time
257  // Check for complete header
258  if (!iDataOffset)
259  {
260  // Copy data into string buffer (terminate)
261  StdStrBuf Data; Data.Copy(getBufPtr<char>(rInBuf), rInBuf.getSize());
262  const char *pData = Data.getData();
263  // Header complete?
264  const char *pContent = SSearch(pData, "\r\n\r\n");
265  if (!pContent)
266  return 0;
267  // Read the header
268  if (!ReadHeader(Data))
269  {
270  fBusy = fSuccess = false;
271  Close(addr);
272  return rInBuf.getSize();
273  }
274  }
275  iDownloadedSize = rInBuf.getSize() - iDataOffset;
276  // Check if the packet is complete
277  if (iTotalSize > iDownloadedSize)
278  {
279  return 0;
280  }
281  // Get data, uncompress it if needed
282  StdBuf Data = rInBuf.getPart(iDataOffset, iTotalSize);
283  if (fCompressed)
284  if (!Decompress(&Data))
285  {
286  fBusy = fSuccess = false;
287  Close(addr);
288  return rInBuf.getSize();
289  }
290  // Save the result
291  if (fBinary)
292  ResultBin.Copy(Data);
293  else
294  ResultString.Copy(getBufPtr<char>(Data), Data.getSize());
295  fBusy = false; fSuccess = true;
296  // Callback
297  OnPacket(C4NetIOPacket(Data, addr), this);
298  // Done
299  Close(addr);
300  return rInBuf.getSize();
301 }
Definition: StdBuf.h:29
const char * SSearch(const char *szString, const char *szIndex)
Definition: Standard.cpp:363
StdBuf getPart(size_t iStart, size_t inSize) const
Definition: StdBuf.h:107
void Copy(size_t inSize)
Definition: StdBuf.h:225
size_t getSize() const
Definition: StdBuf.h:101
const char * getData() const
Definition: StdBuf.h:442
bool Close() override
Definition: C4NetIO.cpp:857
void OnPacket(const class C4NetIOPacket &rPacket, C4NetIO *pNetIO) override
void Copy()
Definition: StdBuf.h:467
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Member Data Documentation

◆ Error

StdCopyStrBuf C4NetIO::Error
protectedinherited

Definition at line 282 of file C4NetIO.h.

Referenced by C4NetIO::SetError().

◆ fInit

bool C4NetIOTCP::fInit {false}
protectedinherited

Definition at line 473 of file C4NetIO.h.

Referenced by C4NetIOTCP::Close(), C4NetIOTCP::Execute(), and C4NetIOTCP::Init().

◆ iListenPort

uint16_t C4NetIOTCP::iListenPort
protectedinherited

Definition at line 476 of file C4NetIO.h.

Referenced by C4NetIOTCP::Execute(), and C4NetIOTCP::Listen().

◆ lsock

SOCKET C4NetIOTCP::lsock
protectedinherited

◆ nullptr

struct C4NetIOTCP::ConnectWait C4NetIOTCP::nullptr
protectedinherited

◆ PeerListAddCSec

CStdCSec C4NetIOTCP::PeerListAddCSec
protectedinherited

Definition at line 470 of file C4NetIO.h.

Referenced by C4NetIOTCP::Accept(), and C4NetIOTCP::AddConnectWait().

◆ PeerListCSec

◆ Pipe

int C4NetIOTCP::Pipe[2]
protectedinherited

◆ pPeerList

◆ ResultBin

StdCopyBuf C4Network2HTTPClient::ResultBin
protectedinherited

Definition at line 152 of file C4Network2Reference.h.

◆ ResultString

StdCopyStrBuf C4Network2HTTPClient::ResultString
protectedinherited

Definition at line 153 of file C4Network2Reference.h.

◆ TO_INF


The documentation for this class was generated from the following files: