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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