/* * Copyright (C) 1996-2023 The Squid Software Foundation and contributors * * Squid software is distributed under GPLv2+ license and includes * contributions from numerous individuals and organizations. * Please see the COPYING and CONTRIBUTORS files for details. */ /* DEBUG: section 37 ICMP Routines */ #ifndef SQUID_SRC_ICMP_ICMPPINGER_H #define SQUID_SRC_ICMP_ICMPPINGER_H #include "Icmp.h" /** * Implements the interface to squid for ICMP operations */ class IcmpPinger : public Icmp { public: IcmpPinger(); ~IcmpPinger() override; /// Start and initiate control channel to squid int Open() override; /// Shutdown pinger helper and control channel void Close() override; #if USE_ICMP /// Send ICMP results back to squid. void SendResult(pingerReplyData &preply, int len); /// Handle ICMP requests from squid, passing to helpers. void Recv(void) override; private: // unused in IcmpPinger void SendEcho(Ip::Address &, int, const char *, int) override {} /** * Control channel(s) to squid. * May be STDIN/STDOUT pipes or an IP socket depending on the OS */ int socket_from_squid; int socket_to_squid; #endif /* USE_ICMP */ }; #if USE_ICMP /// pinger helper contains one of these as a global object. extern IcmpPinger control; #endif #endif /* SQUID_SRC_ICMP_ICMPPINGER_H */