src/server/util/io.c

Wed, 26 Oct 2016 15:53:56 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 26 Oct 2016 15:53:56 +0200
changeset 118
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parent 112
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child 126
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permissions
-rw-r--r--

adds minimal cgi implementation

some env vars still missing
request body not supported yet

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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 #ifdef __gnu_linux__
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30 #define _GNU_SOURCE
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31 #endif
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32
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33 #include <unistd.h>
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34 #include <stdlib.h>
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35 #include <sys/uio.h>
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36 #include <sys/uio.h>
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37
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38 #ifndef BSD
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39 #include <sys/sendfile.h>
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40 #else
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41 #if defined(__NetBSD__) || defined(__OpenBSD__)
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42 #define WS_NO_SENDFILE
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43 #define net_sys_sendfile net_fallback_sendfile
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44 #endif
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45 #endif
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46
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47 #include "../daemon/vfs.h"
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48 #include "io.h"
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49 #include "pool.h"
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50 #include "ucx/utils.h"
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51
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52 IOStream native_io_funcs = {
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53 (io_write_f)net_sys_write,
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54 (io_writev_f)net_sys_writev,
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55 (io_read_f)net_sys_read,
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56 (io_sendfile_f)net_sys_sendfile,
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57 (io_close_f)net_sys_close,
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58 NULL
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59 };
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60
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61 IOStream http_io_funcs = {
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62 (io_write_f)net_http_write,
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63 (io_writev_f)net_http_writev,
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64 (io_read_f)net_http_read,
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65 (io_sendfile_f)net_http_sendfile,
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66 (io_close_f)net_http_close,
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67 (io_finish_f)net_http_finish
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68 };
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69
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70 IOStream ssl_io_funcs = {
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71 (io_write_f)net_ssl_write,
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72 (io_writev_f)net_ssl_writev,
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73 (io_read_f)net_ssl_read,
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74 NULL,
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75 (io_close_f)net_ssl_close,
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76 (io_finish_f)net_ssl_finish
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77 };
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78
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80 /*
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81 * SysStream implementation
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82 */
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83
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84 IOStream* sysstream_new(pool_handle_t *pool, int fd) {
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85 SysStream *st = pool_malloc(pool, sizeof(SysStream));
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86 st->st = native_io_funcs;
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87 st->fd = fd;
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88 return (IOStream*)st;
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89 }
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90
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91 #ifdef XP_UNIX
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92 ssize_t net_sys_write(SysStream *st, void *buf, size_t nbytes) {
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93 return write(st->fd, buf, nbytes);
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94 }
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95
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96 ssize_t net_sys_writev(SysStream *st, struct iovec *iovec, int iovcnt) {
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97 return writev(st->fd, iovec, iovcnt);
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98 }
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99
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100 ssize_t net_sys_read(SysStream *st, void *buf, size_t nbytes) {
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101 return read(st->fd, buf, nbytes);
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102 }
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103
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104 #ifndef WS_NO_SENDFILE
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105 ssize_t net_sys_sendfile(SysStream *st, sendfiledata *sfd) {
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106 ssize_t ret = 0;
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107 off_t fileoffset = sfd->offset;
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108 if(sfd->fd->fd != -1) {
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109 #ifdef BSD
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110 struct iovec hdvec;
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111 hdvec.iov_base = (void*)sfd->header;
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112 hdvec.iov_len = sfd->hlen;
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113 struct iovec trvec;
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114 trvec.iov_base = (void*)sfd->trailer;
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115 trvec.iov_len = sfd->tlen;
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116 struct sf_hdtr hdtr;
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117 hdtr.headers = &hdvec;
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118 hdtr.hdr_cnt = 1;
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119 hdtr.trailers = &trvec;
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120 hdtr.trl_cnt = 1;
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121
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122 off_t len = sfd->len;
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123 #ifdef OSX
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124 ret = sendfile(sfd->fd->fd, st->fd, fileoffset, &len, &hdtr, 0);
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125 #else // BSD
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126 ret = sendfile(
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127 sfd->fd->fd,
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128 st->fd,
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129 fileoffset,
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130 sfd->len,
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131 &hdtr,
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132 NULL,
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133 0);
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134 #endif
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135 #else // Solaris/Linux
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136 if(sfd->header) {
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137 ret += write(st->fd, sfd->header, sfd->hlen);
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138 }
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139 ret += sendfile(st->fd, sfd->fd->fd, &fileoffset, sfd->len);
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140 if(sfd->trailer) {
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141 ret += write(st->fd, sfd->trailer, sfd->tlen);
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142 }
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143 #endif
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144 } else {
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145 // TODO: regular copy
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146 fprintf(stderr, "sendfile not implemented for SYS_FILE\n");
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147 }
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148
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149 return ret;
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150 }
111
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151 #endif
54
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152
110
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153 void net_sys_close(SysStream *st) {
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154 close(st->fd);
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155 }
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156
110
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157 #elif defined(XP_WIN32)
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158
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159 ssize_t net_sys_write(SysStream *st, void *buf, size_t nbytes) {
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160 int ret = send(st->socket, buf, nbytes, 0);
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161 if(ret == SOCKET_ERROR) {
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162 return IO_ERROR;
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163 }
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164 return ret;
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165 }
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166
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167 ssize_t net_sys_writev(SysStream *st, struct iovec *iovec, int iovcnt) {
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168 // TODO
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169 }
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170
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171 ssize_t net_sys_read(SysStream *st, void *buf, size_t nbytes) {
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172 int ret = recv(st->socket, buf, nbytes, 0);
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173 if(ret == SOCKET_ERROR) {
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174 return IO_ERROR;
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175 }
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176 return ret;
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177 }
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178
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179 ssize_t net_sys_sendfile(SysStream *st, sendfiledata *sfd) {
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180 // TODO
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181 }
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182
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183 void net_sys_close(SysStream *st) {
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184 closesocket(st->socket);
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185 }
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186
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187 #endif
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188
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189
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190 /*
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191 * HttpStream implementation
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192 */
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193
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194 IOStream* httpstream_new(pool_handle_t *pool, IOStream *fd) {
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195 HttpStream *st = pool_malloc(pool, sizeof(HttpStream));
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196 st->st = http_io_funcs;
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197 st->fd = fd;
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198 st->max_read = 0;
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199 st->read = 0;
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200 st->chunked_enc = WS_FALSE;
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201 st->buffered = WS_FALSE;
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202 return (IOStream*)st;
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203 }
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204
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205 ssize_t net_http_write(HttpStream *st, void *buf, size_t nbytes) {
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206 IOStream *fd = st->fd;
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207 if(st->chunked_enc) {
110
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208 // TODO: on some plattforms iov_len is smaller than size_t
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209 struct iovec io[2];
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210 char chunk_len[16];
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211 io[0].iov_base = chunk_len;
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212 io[0].iov_len = snprintf(chunk_len, 16, "\r\n%zx\r\n", nbytes);
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213 io[1].iov_base = buf;
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214 io[1].iov_len = nbytes;
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215 ssize_t r = fd->writev(fd, io, 2);
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216 return r - io[0].iov_len;
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217 } else {
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218 return fd->write(fd, buf, nbytes);
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219 }
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220 }
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221
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222 ssize_t net_http_writev(HttpStream *st, struct iovec *iovec, int iovcnt) {
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223 IOStream *fd = st->fd;
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224 if(st->chunked_enc) {
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225 struct iovec *io = calloc(iovcnt + 1, sizeof(struct iovec));
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226 char chunk_len[16];
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227 io[0].iov_base = chunk_len;
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228 size_t len = 0;
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229 for(int i=0;i<iovcnt;i++) {
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230 len += iovec[i].iov_len;
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231 }
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232 io[0].iov_len = snprintf(chunk_len, 16, "\r\n%zx\r\n", len);
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233 memcpy(io + 1, iovec, iovcnt * sizeof(struct iovec));
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234 ssize_t r = fd->writev(fd, io, iovcnt + 1);
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235 return r - io[0].iov_len;
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236 } else {
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237 return fd->writev(fd, iovec, iovcnt);
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238 }
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239 }
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240
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241 ssize_t net_http_read(HttpStream *st, void *buf, size_t nbytes) {
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242 if(st->max_read != 0 && st->read >= st->max_read) {
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243 return 0;
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244 }
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245 ssize_t r = st->fd->read(st->fd, buf, nbytes);
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246 st->read += r;
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247 return r;
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248 }
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249
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250 ssize_t net_http_sendfile(HttpStream *st, sendfiledata *sfd) {
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251 ssize_t ret = 0;
112
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diff changeset
252 // TODO: support chunked transfer encoding
110
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253 if(st->fd->sendfile) {
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254 ret = st->fd->sendfile(st->fd, sfd);
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255 } else {
112
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256 ret = net_fallback_sendfile((IOStream*)st, sfd);
110
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257 }
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258
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259 return ret;
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260 }
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261
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262 void net_http_close(HttpStream *st) {
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263 st->fd->close(st->fd);
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264 }
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265
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266 void net_http_finish(HttpStream *st) {
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267 if(st->chunked_enc) {
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268 st->fd->write(st->fd, "0\r\n\r\n", 5);
80
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269 }
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270 }
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271
8
f4d56bf9de40 Added request body reader
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272
110
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273 /*
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274 * SSLStream implementation
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275 */
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276
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277 IOStream* sslstream_new(pool_handle_t *pool, SSL *ssl) {
106
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278 SSLStream *st = pool_malloc(pool, sizeof(SSLStream));
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279 st->st = ssl_io_funcs;
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280 st->ssl = ssl;
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281 return (IOStream*)st;
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282 }
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283
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284 ssize_t net_ssl_write(SSLStream *st, void *buf, size_t nbytes) {
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285 return SSL_write(st->ssl, buf, nbytes);
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286 }
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287
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288 ssize_t net_ssl_writev(SSLStream *st, struct iovec *iovec, int iovcnt) {
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289 ssize_t r = 0;
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290 for(int i=0;i<iovcnt;i++) {
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diff changeset
291 int ret = SSL_write(st->ssl, iovec[i].iov_base, iovec[i].iov_len);
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diff changeset
292 if(ret <= 0) {
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293 return 0;
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diff changeset
294 }
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diff changeset
295 r += ret;
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diff changeset
296 }
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diff changeset
297 return r;
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
298 }
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
299
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
300 ssize_t net_ssl_read(SSLStream *st, void *buf, size_t nbytes) {
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
301 return SSL_read(st->ssl, buf, nbytes);
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
302 }
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
303
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
304 void net_ssl_close(SSLStream *st) {
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
305 SSL_shutdown(st->ssl);
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
306 close(SSL_get_fd(st->ssl));
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
307 }
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
308
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
309 void net_ssl_finish(SSLStream *st) {
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
310
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
311 }
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
312
b122f34ddc80 added minimal ssl support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 104
diff changeset
313
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
314 /* -------------------- public nsapi network functions -------------------- */
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
315
8
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
316 ssize_t net_read(SYS_NETFD fd, void *buf, size_t nbytes) {
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
317 ssize_t r = ((IOStream*)fd)->read(fd, buf, nbytes);
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
318 if(r == 0) {
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
319 return IO_EOF;
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
320 }
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
321 return r;
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
322 }
f4d56bf9de40 Added request body reader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 4
diff changeset
323
9
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
324 ssize_t net_write(SYS_NETFD fd, void *buf, size_t nbytes) {
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
325 ssize_t r = ((IOStream*)fd)->write(fd, buf, nbytes);
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
326 if(r < 0) {
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
327 return IO_ERROR;
20
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
328 }
9
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
329 return r;
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
330 }
30e51941a673 Added mod_jk dependencies
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
331
64
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
332 ssize_t net_writev(SYS_NETFD fd, struct iovec *iovec, int iovcnt) {
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
333 ssize_t r = ((IOStream*)fd)->writev(fd, iovec, iovcnt);
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
334 if(r < 0) {
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
335 return IO_ERROR;
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
336 }
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
337 return r;
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
338 }
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
339
23
a2c8fc23c90e Added basic authentication
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 20
diff changeset
340 ssize_t net_printf(SYS_NETFD fd, char *format, ...) {
a2c8fc23c90e Added basic authentication
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 20
diff changeset
341 va_list arg;
a2c8fc23c90e Added basic authentication
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 20
diff changeset
342 va_start(arg, format);
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
343 sstr_t buf = ucx_vasprintf(ucx_default_allocator(), format, arg);
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
344 ssize_t r = net_write(fd, buf.ptr, buf.length);
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
345 free(buf.ptr);
64
c7f5b062e622 added net_writev
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
346 return r;
23
a2c8fc23c90e Added basic authentication
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 20
diff changeset
347 }
a2c8fc23c90e Added basic authentication
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 20
diff changeset
348
54
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
349 ssize_t net_sendfile(SYS_NETFD fd, sendfiledata *sfd) {
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
350 IOStream *out = fd;
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
351 if(out->sendfile && sfd->fd && sfd->fd->fd != -1) {
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
352 ssize_t r = out->sendfile(fd, sfd);
54
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
353 if(r < 0) {
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
354 return IO_ERROR;
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
355 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
356 } else {
66
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 65
diff changeset
357 // stream/file does not support sendfile
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 65
diff changeset
358 // do regular copy
112
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 110 111
diff changeset
359 return net_fallback_sendfile(out, sfd);
54
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
360 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
361 return IO_ERROR;
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
362 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
363
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
364 // private
112
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 110 111
diff changeset
365 ssize_t net_fallback_sendfile(IOStream *fd, sendfiledata *sfd) {
111
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
366 char *buf = malloc(4096);
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
367 if(!buf) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
368 // TODO: out of memory error
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
369 return IO_ERROR;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
370 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
371 char *header = (char*)sfd->header;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
372 int hlen = sfd->hlen;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
373 char *trailer = (char*)sfd->trailer;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
374 int tlen = sfd->tlen;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
375 if(header == NULL) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
376 hlen = 0;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
377 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
378 if(trailer == NULL) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
379 tlen = 0;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
380 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
381
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
382 ssize_t r;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
383 while(hlen > 0) {
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
384 r = fd->write(fd, header, hlen);
111
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
385 header += r;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
386 hlen -= r;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
387 if(r <= 0) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
388 free(buf);
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
389 return IO_ERROR;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
390 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
391 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
392
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
393 if(system_lseek(sfd->fd, sfd->offset, SEEK_SET) == -1) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
394 free(buf);
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
395 return IO_ERROR;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
396 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
397
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
398 size_t length = sfd->len;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
399 while(length > 0) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
400 if((r = system_fread(sfd->fd, buf, 4096)) <= 0) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
401 break;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
402 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
403 char *write_buf = buf;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
404 while(r > 0) {
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
405 ssize_t w = fd->write(fd, write_buf, r);
111
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
406 r -= w;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
407 length -= w;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
408 write_buf += w;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
409 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
410 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
411 free(buf);
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
412 if(length > 0) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
413 return IO_ERROR;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
414 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
415
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
416 while(tlen > 0) {
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
417 r = fd->write(fd, trailer, tlen);
111
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
418 trailer += r;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
419 tlen -= r;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
420 if(r <= 0) {
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
421 return IO_ERROR;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
422 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
423 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
424
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
425 return sfd->hlen + sfd->len + sfd->tlen;
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
426 }
c93be34fde76 fixed NetBSD build and an uninitialized struct member
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
427
82
740cfd9dd443 added some nsapi stuff
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 80
diff changeset
428 int net_flush(SYS_NETFD sd) {
740cfd9dd443 added some nsapi stuff
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 80
diff changeset
429 // TODO: implement
740cfd9dd443 added some nsapi stuff
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 80
diff changeset
430 return 0;
4
998844b5ed25 Added some protocol functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
431 }
32
ebba53de8b18 added solaris 10 support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
432
80
0de4a90979e1 fixed chunked transfer encoding
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
433 void net_close(SYS_NETFD fd) {
0de4a90979e1 fixed chunked transfer encoding
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
434 ((IOStream*)fd)->close(fd);
32
ebba53de8b18 added solaris 10 support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
435 }
ebba53de8b18 added solaris 10 support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
436
110
43a746e905f6 refactored IO system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 106
diff changeset
437 // private
80
0de4a90979e1 fixed chunked transfer encoding
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
438 void net_finish(SYS_NETFD fd) {
0de4a90979e1 fixed chunked transfer encoding
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
439 ((IOStream*)fd)->finish(fd);
32
ebba53de8b18 added solaris 10 support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
440 }

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