[164] | 1 | #ifndef HEADER_CURL_CONNECT_H
|
---|
| 2 | #define HEADER_CURL_CONNECT_H
|
---|
| 3 | /***************************************************************************
|
---|
| 4 | * _ _ ____ _
|
---|
| 5 | * Project ___| | | | _ \| |
|
---|
| 6 | * / __| | | | |_) | |
|
---|
| 7 | * | (__| |_| | _ <| |___
|
---|
| 8 | * \___|\___/|_| \_\_____|
|
---|
| 9 | *
|
---|
| 10 | * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
|
---|
| 11 | *
|
---|
| 12 | * This software is licensed as described in the file COPYING, which
|
---|
| 13 | * you should have received as part of this distribution. The terms
|
---|
| 14 | * are also available at https://curl.haxx.se/docs/copyright.html.
|
---|
| 15 | *
|
---|
| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
---|
| 17 | * copies of the Software, and permit persons to whom the Software is
|
---|
| 18 | * furnished to do so, under the terms of the COPYING file.
|
---|
| 19 | *
|
---|
| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
---|
| 21 | * KIND, either express or implied.
|
---|
| 22 | *
|
---|
| 23 | ***************************************************************************/
|
---|
| 24 | #include "curl_setup.h"
|
---|
| 25 |
|
---|
| 26 | #include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
|
---|
| 27 | #include "sockaddr.h"
|
---|
| 28 |
|
---|
| 29 | CURLcode Curl_is_connected(struct connectdata *conn,
|
---|
| 30 | int sockindex,
|
---|
| 31 | bool *connected);
|
---|
| 32 |
|
---|
| 33 | CURLcode Curl_connecthost(struct connectdata *conn,
|
---|
| 34 | const struct Curl_dns_entry *host);
|
---|
| 35 |
|
---|
| 36 | /* generic function that returns how much time there's left to run, according
|
---|
| 37 | to the timeouts set */
|
---|
| 38 | long Curl_timeleft(struct SessionHandle *data,
|
---|
| 39 | struct timeval *nowp,
|
---|
| 40 | bool duringconnect);
|
---|
| 41 |
|
---|
| 42 | #define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
|
---|
| 43 | #define HAPPY_EYEBALLS_TIMEOUT 200 /* milliseconds to wait between
|
---|
| 44 | IPv4/IPv6 connection attempts */
|
---|
| 45 |
|
---|
| 46 | /*
|
---|
| 47 | * Used to extract socket and connectdata struct for the most recent
|
---|
| 48 | * transfer on the given SessionHandle.
|
---|
| 49 | *
|
---|
| 50 | * The returned socket will be CURL_SOCKET_BAD in case of failure!
|
---|
| 51 | */
|
---|
| 52 | curl_socket_t Curl_getconnectinfo(struct SessionHandle *data,
|
---|
| 53 | struct connectdata **connp);
|
---|
| 54 |
|
---|
| 55 | #ifdef USE_WINSOCK
|
---|
| 56 | /* When you run a program that uses the Windows Sockets API, you may
|
---|
| 57 | experience slow performance when you copy data to a TCP server.
|
---|
| 58 |
|
---|
| 59 | https://support.microsoft.com/kb/823764
|
---|
| 60 |
|
---|
| 61 | Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
|
---|
| 62 | Buffer Size
|
---|
| 63 |
|
---|
| 64 | */
|
---|
| 65 | void Curl_sndbufset(curl_socket_t sockfd);
|
---|
| 66 | #else
|
---|
| 67 | #define Curl_sndbufset(y) Curl_nop_stmt
|
---|
| 68 | #endif
|
---|
| 69 |
|
---|
| 70 | void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd);
|
---|
| 71 | void Curl_persistconninfo(struct connectdata *conn);
|
---|
| 72 | int Curl_closesocket(struct connectdata *conn, curl_socket_t sock);
|
---|
| 73 |
|
---|
| 74 | /*
|
---|
| 75 | * The Curl_sockaddr_ex structure is basically libcurl's external API
|
---|
| 76 | * curl_sockaddr structure with enough space available to directly hold any
|
---|
| 77 | * protocol-specific address structures. The variable declared here will be
|
---|
| 78 | * used to pass / receive data to/from the fopensocket callback if this has
|
---|
| 79 | * been set, before that, it is initialized from parameters.
|
---|
| 80 | */
|
---|
| 81 | struct Curl_sockaddr_ex {
|
---|
| 82 | int family;
|
---|
| 83 | int socktype;
|
---|
| 84 | int protocol;
|
---|
| 85 | unsigned int addrlen;
|
---|
| 86 | union {
|
---|
| 87 | struct sockaddr addr;
|
---|
| 88 | struct Curl_sockaddr_storage buff;
|
---|
| 89 | } _sa_ex_u;
|
---|
| 90 | };
|
---|
| 91 | #define sa_addr _sa_ex_u.addr
|
---|
| 92 |
|
---|
| 93 | /*
|
---|
| 94 | * Create a socket based on info from 'conn' and 'ai'.
|
---|
| 95 | *
|
---|
| 96 | * Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open
|
---|
| 97 | * socket callback is set, used that!
|
---|
| 98 | *
|
---|
| 99 | */
|
---|
| 100 | CURLcode Curl_socket(struct connectdata *conn,
|
---|
| 101 | const Curl_addrinfo *ai,
|
---|
| 102 | struct Curl_sockaddr_ex *addr,
|
---|
| 103 | curl_socket_t *sockfd);
|
---|
| 104 |
|
---|
| 105 | void Curl_tcpnodelay(struct connectdata *conn, curl_socket_t sockfd);
|
---|
| 106 |
|
---|
| 107 | #ifdef CURLDEBUG
|
---|
| 108 | /*
|
---|
| 109 | * Curl_connclose() sets the bit.close bit to TRUE with an explanation.
|
---|
| 110 | * Nothing else.
|
---|
| 111 | */
|
---|
| 112 | void Curl_conncontrol(struct connectdata *conn,
|
---|
| 113 | bool closeit,
|
---|
| 114 | const char *reason);
|
---|
| 115 | #define connclose(x,y) Curl_conncontrol(x,TRUE, y)
|
---|
| 116 | #define connkeep(x,y) Curl_conncontrol(x, FALSE, y)
|
---|
| 117 | #else /* if !CURLDEBUG */
|
---|
| 118 |
|
---|
| 119 | #define connclose(x,y) (x)->bits.close = TRUE
|
---|
| 120 | #define connkeep(x,y) (x)->bits.close = FALSE
|
---|
| 121 |
|
---|
| 122 | #endif
|
---|
| 123 |
|
---|
| 124 | #endif /* HEADER_CURL_CONNECT_H */
|
---|