src/comm/forward.h

   1 /*
   2  * Copyright (C) 1996-2020 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_COMM_FORWARD_H
  10 #define _SQUID_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
  27 typedef RefCount<Comm::Connection> ConnectionPointer;
  28
  29 typedef std::vector<Comm::ConnectionPointer> ConnectionList;
  30
  31 bool IsConnOpen(const Comm::ConnectionPointer &conn);
  32
  33 // callback handler to process an FD which is available for writing.
  34 PF HandleWrite;
  35
  36 /// Mark an FD to be watched for its IO status.
  37 void SetSelect(int, unsigned int, PF *, void *, time_t);
  38
  39 }; // namespace Comm
  40
  41 #endif /* _SQUID_COMM_FORWARD_H */
  42