src/server/util/io.h

Sat, 13 Jan 2018 18:48:19 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 13 Jan 2018 18:48:19 +0100
branch
aio
changeset 192
6a145e13d933
parent 172
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child 193
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permissions
-rw-r--r--

replaces eventfd with pipe and closes aio branch

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #ifndef IOSTREAM_H
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30 #define IOSTREAM_H
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31
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32 #include <openssl/ssl.h>
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33 #include "../public/nsapi.h"
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34 #include "systems.h"
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35
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36 #ifdef _WIN32
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37 #include <windows.h>
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38 #include <winsock2.h>
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39 #endif
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40
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41 #ifdef __cplusplus
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42 extern "C" {
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43 #endif
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44
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45 #ifdef XP_UNIX
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46 #define SYS_SOCKET int
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47 #elif defined(XP_WIN32)
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48 #define SYS_SOCKET SOCKET
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49 #endif
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50
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51 #define IO_MODE_BLOCKING 0
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52 #define IO_MODE_NONBLOCKING 1
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53
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54 #define IO_POLL_NONE 0
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55 #define IO_POLL_IN 1
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56 #define IO_POLL_OUT 2
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57
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58 typedef struct IOStream IOStream;
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59 typedef struct SysStream SysStream;
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60 typedef struct HttpStream HttpStream;
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61
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62 typedef ssize_t(*io_write_f)(IOStream *, void *, size_t);
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63 typedef ssize_t(*io_writev_f)(IOStream *, struct iovec *, int);
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64 typedef ssize_t(*io_read_f)(IOStream *, void *, size_t);
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65 typedef ssize_t(*io_sendfile_f)(IOStream *, sendfiledata *);
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66 typedef void(*io_close_f)(IOStream *);
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67 typedef void(*io_finish_f)(IOStream *);
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68 typedef void(*io_setmode_f)(IOStream *, int);
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69 typedef int(*io_poll_f)(IOStream *, EventHandler *, int, Event *);
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71 struct IOStream {
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72 io_write_f write;
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73 io_writev_f writev;
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74 io_read_f read;
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75 io_sendfile_f sendfile;
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76 io_close_f close;
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77 io_finish_f finish;
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78 io_setmode_f setmode;
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79 io_poll_f poll;
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80 int io_errno;
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81 };
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82
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83 struct SysStream {
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84 IOStream st;
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85 #ifdef XP_UNIX
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86 int fd;
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87 #elif defined(XP_WIN32)
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88 SOCKET fd;
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89 #endif
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90 };
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91
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92 struct HttpStream {
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93 IOStream st;
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94 IOStream *fd;
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95 uint64_t max_read;
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96 uint64_t read;
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97 WSBool chunked_enc;
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98 WSBool buffered;
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99 };
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100
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101 typedef struct SSLStream {
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102 IOStream st;
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103 SSL *ssl;
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104 int error;
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105 } SSLStream;
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106
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107
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108
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109 /* system stream */
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110 IOStream* sysstream_new(pool_handle_t *pool, SYS_SOCKET fd);
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111
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112 ssize_t net_sys_write(SysStream *st, void *buf, size_t nbytes);
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113 ssize_t net_sys_writev(SysStream *st, struct iovec *iovec, int iovcnt);
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114 ssize_t net_sys_read(SysStream *st, void *buf, size_t nbytes);
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115 ssize_t net_sys_sendfile(SysStream *st, sendfiledata *sfd);
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116 void net_sys_close(SysStream *st);
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117 void net_sys_setmode(SysStream *st, int mode);
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118 int net_sys_poll(SysStream *st, EventHandler *ev, int events, Event *cb);
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119
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120 /* http stream */
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121 IOStream* httpstream_new(pool_handle_t *pool, IOStream *fd);
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122
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123 ssize_t net_http_write(HttpStream *st, void *buf, size_t nbytes);
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124 ssize_t net_http_writev(HttpStream *st, struct iovec *iovec, int iovcnt);
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125 ssize_t net_http_read(HttpStream *st, void *buf, size_t nbytes);
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126 ssize_t net_http_sendfile(HttpStream *st, sendfiledata *sfd);
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127 void net_http_close(HttpStream *st);
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128 void net_http_finish(HttpStream *st);
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129 void net_http_setmode(HttpStream *st, int mode);
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130 int net_http_poll(HttpStream *st, EventHandler *ev, int events, Event *cb);
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131
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132 /* ssl stream */
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133 IOStream* sslstream_new(pool_handle_t *pool, SSL *ssl);
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134
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135 ssize_t net_ssl_write(SSLStream *st, void *buf, size_t nbytes);
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136 ssize_t net_ssl_writev(SSLStream *st, struct iovec *iovec, int iovcnt);
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137 ssize_t net_ssl_read(SSLStream *st, void *buf, size_t nbytes);
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138 void net_ssl_close(SSLStream *st);
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139 void net_ssl_finish(SSLStream *st);
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140 void net_ssl_setmode(SSLStream *st, int mode);
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141 int net_ssl_poll(SSLStream *st, EventHandler *ev, int events, Event *cb);
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142
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143 /* net_ functions */
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144 ssize_t net_fallback_sendfile(IOStream *fd, sendfiledata *sfd);
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145 void net_finish(SYS_NETFD fd);
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146
1
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147 #ifdef __cplusplus
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148 }
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149 #endif
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150
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151 #endif /* IOSTREAM_H */
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152

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