mirror of
https://github.com/moparisthebest/curl
synced 2024-11-15 14:05:03 -05:00
4dee50b9c8
... to make all libcurl internals able to use the same data types for the struct members. The timeval struct differs subtly on several platforms so it makes it cumbersome to use everywhere. Ref: #1652 Closes #1693
148 lines
5.2 KiB
C
148 lines
5.2 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 - 2017, 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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time_t Curl_timeleft(struct Curl_easy *data,
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struct curltime *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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/*
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* Check if a connection seems to be alive.
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*/
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bool Curl_connalive(struct connectdata *conn);
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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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/*
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* Curl_conncontrol() marks the end of a connection/stream. The 'closeit'
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* argument specifies if it is the end of a connection or a stream.
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*
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* For stream-based protocols (such as HTTP/2), a stream close will not cause
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* a connection close. Other protocols will close the connection for both
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* cases.
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*
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* It sets the bit.close bit to TRUE (with an explanation for debug builds),
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* when the connection will close.
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*/
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#define CONNCTRL_KEEP 0 /* undo a marked closure */
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#define CONNCTRL_CONNECTION 1
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#define CONNCTRL_STREAM 2
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void Curl_conncontrol(struct connectdata *conn,
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int closeit
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#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
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, const char *reason
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#endif
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);
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#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
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#define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM, y)
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#define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION, y)
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#define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP, y)
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#else /* if !DEBUGBUILD || CURL_DISABLE_VERBOSE_STRINGS */
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#define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM)
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#define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION)
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#define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP)
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#endif
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bool Curl_conn_data_pending(struct connectdata *conn, int sockindex);
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#endif /* HEADER_CURL_CONNECT_H */
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