mirror of
https://github.com/moparisthebest/curl
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125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
#ifndef HEADER_CURL_CONNECT_H
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#define HEADER_CURL_CONNECT_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
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#include "sockaddr.h"
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CURLcode Curl_is_connected(struct connectdata *conn,
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int sockindex,
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bool *connected);
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CURLcode Curl_connecthost(struct connectdata *conn,
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const struct Curl_dns_entry *host);
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/* generic function that returns how much time there's left to run, according
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to the timeouts set */
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long Curl_timeleft(struct Curl_easy *data,
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struct timeval *nowp,
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bool duringconnect);
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#define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
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#define HAPPY_EYEBALLS_TIMEOUT 200 /* milliseconds to wait between
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IPv4/IPv6 connection attempts */
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/*
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* Used to extract socket and connectdata struct for the most recent
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* transfer on the given Curl_easy.
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*
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* The returned socket will be CURL_SOCKET_BAD in case of failure!
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*/
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curl_socket_t Curl_getconnectinfo(struct Curl_easy *data,
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struct connectdata **connp);
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#ifdef USE_WINSOCK
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/* When you run a program that uses the Windows Sockets API, you may
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experience slow performance when you copy data to a TCP server.
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https://support.microsoft.com/kb/823764
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Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
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Buffer Size
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*/
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void Curl_sndbufset(curl_socket_t sockfd);
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#else
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#define Curl_sndbufset(y) Curl_nop_stmt
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#endif
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void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd);
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void Curl_persistconninfo(struct connectdata *conn);
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int Curl_closesocket(struct connectdata *conn, curl_socket_t sock);
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/*
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* The Curl_sockaddr_ex structure is basically libcurl's external API
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* curl_sockaddr structure with enough space available to directly hold any
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* protocol-specific address structures. The variable declared here will be
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* used to pass / receive data to/from the fopensocket callback if this has
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* been set, before that, it is initialized from parameters.
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*/
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struct Curl_sockaddr_ex {
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int family;
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int socktype;
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int protocol;
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unsigned int addrlen;
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union {
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struct sockaddr addr;
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struct Curl_sockaddr_storage buff;
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} _sa_ex_u;
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};
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#define sa_addr _sa_ex_u.addr
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/*
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* Create a socket based on info from 'conn' and 'ai'.
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*
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* Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open
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* socket callback is set, used that!
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*
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*/
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CURLcode Curl_socket(struct connectdata *conn,
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const Curl_addrinfo *ai,
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struct Curl_sockaddr_ex *addr,
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curl_socket_t *sockfd);
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void Curl_tcpnodelay(struct connectdata *conn, curl_socket_t sockfd);
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#ifdef CURLDEBUG
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/*
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* Curl_connclose() sets the bit.close bit to TRUE with an explanation.
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* Nothing else.
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*/
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void Curl_conncontrol(struct connectdata *conn,
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bool closeit,
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const char *reason);
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#define connclose(x,y) Curl_conncontrol(x,TRUE, y)
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#define connkeep(x,y) Curl_conncontrol(x, FALSE, y)
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#else /* if !CURLDEBUG */
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#define connclose(x,y) (x)->bits.close = TRUE
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#define connkeep(x,y) (x)->bits.close = FALSE
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#endif
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#endif /* HEADER_CURL_CONNECT_H */
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