src/comm/forward.h

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_SRC_COMM_FORWARD_H
  10 #define SQUID_SRC_COMM_FORWARD_H
  11
  12 #include "base/RefCount.h"
  13
  14 #include <vector>
  15
  16 /// legacy CBDATA callback functions ABI definition for read or write I/O events
  17 /// \deprecated use CommCalls API instead where possible
  18 typedef void PF(int, void *);
  19
  20 /// Abstraction layer for TCP, UDP, TLS, UDS and filedescriptor sockets.
  21 namespace Comm
  22 {
  23
  24 class Connection;
  25 class ConnOpener;
  26 class TcpKeepAlive;
  27
  28 typedef RefCount<Comm::Connection> ConnectionPointer;
  29
  30 bool IsConnOpen(const Comm::ConnectionPointer &conn);
  31
  32 // callback handler to process an FD which is available for writing.
  33 PF HandleWrite;
  34
  35 /// Mark an FD to be watched for its IO status.
  36 void SetSelect(int, unsigned int, PF *, void *, time_t);
  37
  38 }; // namespace Comm
  39
  40 #endif /* SQUID_SRC_COMM_FORWARD_H */
  41