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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
Connect - Replacement connect call
##################################################################### */
/*}}}*/
#ifndef CONNECT_H
#define CONNECT_H
#include <cstddef>
#include <memory>
#include <string>
#include "aptmethod.h"
/**
* \brief Small representation of a file descriptor for network traffic.
*
* This provides support for TLS, SOCKS, and HTTP CONNECT proxies.
*/
struct MethodFd
{
/// \brief Returns -1 for unusable, or an fd to select() on otherwise
virtual int Fd() = 0;
/// \brief Should behave like read(2)
virtual ssize_t Read(void *buf, size_t count) = 0;
/// \brief Should behave like write(2)
virtual ssize_t Write(void *buf, size_t count) = 0;
/// \brief Closes the file descriptor. Can be called multiple times.
virtual int Close() = 0;
/// \brief Destructor
virtual ~MethodFd(){};
/// \brief Construct a MethodFd from a UNIX file descriptor
static std::unique_ptr<MethodFd> FromFd(int iFd);
/// \brief If there is pending data.
virtual bool HasPending();
};
ResultState Connect(std::string To, int Port, const char *Service, int DefPort,
std::unique_ptr<MethodFd> &Fd, unsigned long TimeOut, aptMethod *Owner);
ResultState UnwrapSocks(std::string To, int Port, URI Proxy, std::unique_ptr<MethodFd> &Fd, unsigned long Timeout, aptMethod *Owner);
ResultState UnwrapTLS(std::string const &To, std::unique_ptr<MethodFd> &Fd, unsigned long Timeout, aptMethod *Owner,
aptConfigWrapperForMethods const * OwnerConf);
void RotateDNS();
#endif
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