Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/lib/connect.h @ 7:5ab937c03c27

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author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 16 Sep 2025 12:37:32 +0200
parents b50eed0cc0ef
children
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1 #ifndef HEADER_CURL_CONNECT_H
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2 #define HEADER_CURL_CONNECT_H
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3 /***************************************************************************
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4 * _ _ ____ _
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5 * Project ___| | | | _ \| |
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6 * / __| | | | |_) | |
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7 * | (__| |_| | _ <| |___
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8 * \___|\___/|_| \_\_____|
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9 *
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10 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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11 *
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12 * This software is licensed as described in the file COPYING, which
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13 * you should have received as part of this distribution. The terms
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14 * are also available at https://curl.haxx.se/docs/copyright.html.
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15 *
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16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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17 * copies of the Software, and permit persons to whom the Software is
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18 * furnished to do so, under the terms of the COPYING file.
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19 *
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20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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21 * KIND, either express or implied.
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22 *
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23 ***************************************************************************/
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24 #include "curl_setup.h"
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26 #include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
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27 #include "sockaddr.h"
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28 #include "timeval.h"
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30 CURLcode Curl_is_connected(struct connectdata *conn,
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31 int sockindex,
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32 bool *connected);
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34 CURLcode Curl_connecthost(struct connectdata *conn,
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35 const struct Curl_dns_entry *host);
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37 /* generic function that returns how much time there's left to run, according
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38 to the timeouts set */
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39 timediff_t Curl_timeleft(struct Curl_easy *data,
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40 struct curltime *nowp,
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41 bool duringconnect);
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43 #define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
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45 /*
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46 * Used to extract socket and connectdata struct for the most recent
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47 * transfer on the given Curl_easy.
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48 *
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49 * The returned socket will be CURL_SOCKET_BAD in case of failure!
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50 */
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51 curl_socket_t Curl_getconnectinfo(struct Curl_easy *data,
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52 struct connectdata **connp);
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54 bool Curl_addr2string(struct sockaddr *sa, curl_socklen_t salen,
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55 char *addr, long *port);
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57 /*
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58 * Check if a connection seems to be alive.
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59 */
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60 bool Curl_connalive(struct connectdata *conn);
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62 #ifdef USE_WINSOCK
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63 /* When you run a program that uses the Windows Sockets API, you may
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64 experience slow performance when you copy data to a TCP server.
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66 https://support.microsoft.com/kb/823764
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68 Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
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69 Buffer Size
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71 */
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72 void Curl_sndbufset(curl_socket_t sockfd);
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73 #else
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74 #define Curl_sndbufset(y) Curl_nop_stmt
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75 #endif
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77 void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd);
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78 void Curl_persistconninfo(struct connectdata *conn);
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79 int Curl_closesocket(struct connectdata *conn, curl_socket_t sock);
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81 /*
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82 * The Curl_sockaddr_ex structure is basically libcurl's external API
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83 * curl_sockaddr structure with enough space available to directly hold any
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84 * protocol-specific address structures. The variable declared here will be
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85 * used to pass / receive data to/from the fopensocket callback if this has
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86 * been set, before that, it is initialized from parameters.
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87 */
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88 struct Curl_sockaddr_ex {
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89 int family;
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90 int socktype;
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91 int protocol;
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92 unsigned int addrlen;
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93 union {
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94 struct sockaddr addr;
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95 struct Curl_sockaddr_storage buff;
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96 } _sa_ex_u;
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97 };
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98 #define sa_addr _sa_ex_u.addr
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99
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100 /*
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101 * Create a socket based on info from 'conn' and 'ai'.
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102 *
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103 * Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open
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104 * socket callback is set, used that!
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105 *
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106 */
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107 CURLcode Curl_socket(struct connectdata *conn,
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108 const Curl_addrinfo *ai,
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109 struct Curl_sockaddr_ex *addr,
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110 curl_socket_t *sockfd);
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111
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112 /*
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113 * Curl_conncontrol() marks the end of a connection/stream. The 'closeit'
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114 * argument specifies if it is the end of a connection or a stream.
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115 *
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116 * For stream-based protocols (such as HTTP/2), a stream close will not cause
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117 * a connection close. Other protocols will close the connection for both
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118 * cases.
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119 *
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120 * It sets the bit.close bit to TRUE (with an explanation for debug builds),
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121 * when the connection will close.
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122 */
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123
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124 #define CONNCTRL_KEEP 0 /* undo a marked closure */
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125 #define CONNCTRL_CONNECTION 1
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126 #define CONNCTRL_STREAM 2
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127
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128 void Curl_conncontrol(struct connectdata *conn,
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129 int closeit
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130 #if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
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131 , const char *reason
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132 #endif
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133 );
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134
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135 #if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
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136 #define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM, y)
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137 #define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION, y)
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138 #define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP, y)
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139 #else /* if !DEBUGBUILD || CURL_DISABLE_VERBOSE_STRINGS */
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140 #define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM)
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141 #define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION)
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142 #define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP)
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143 #endif
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144
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145 bool Curl_conn_data_pending(struct connectdata *conn, int sockindex);
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146
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147 #endif /* HEADER_CURL_CONNECT_H */