1 | #include "protocol.hfa"
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2 |
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3 | #define _GNU_SOURCE
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4 | extern "C" {
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5 | #include <fcntl.h>
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6 | }
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7 |
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8 | #define xstr(s) str(s)
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9 | #define str(s) #s
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10 |
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11 | #include <fstream.hfa>
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12 | #include <iofwd.hfa>
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13 | #include <io/types.hfa>
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14 | #include <mutex_stmt.hfa>
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15 |
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16 | #include <assert.h>
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17 | // #include <stdio.h> // Don't use stdio.h, too slow to compile
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18 | extern "C" {
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19 | int snprintf ( char * s, size_t n, const char * format, ... );
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20 | ssize_t sendfile(int out_fd, int in_fd, off_t *offset, size_t count);
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21 | // #include <linux/io_uring.h>
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22 | }
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23 | #include <string.h>
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24 | #include <errno.h>
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25 |
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26 | #include "options.hfa"
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27 | #include "worker.hfa"
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28 |
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29 | #define PLAINTEXT_1WRITE
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30 | #define PLAINTEXT_MEMCPY
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31 | #define PLAINTEXT_NOCOPY
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32 | // #define LINKED_IO
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33 | #define TRUE_SENDFILE
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34 |
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35 | static inline __s32 wait_res( io_future_t & this ) {
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36 | wait( this );
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37 | if( this.result < 0 ) {{
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38 | errno = -this.result;
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39 | return -1;
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40 | }}
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41 | return this.result;
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42 | }
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43 |
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44 | struct https_msg_str {
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45 | char msg[512];
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46 | size_t len;
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47 | };
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48 |
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49 | const https_msg_str * volatile http_msgs[KNOWN_CODES] = { 0 };
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50 |
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51 | _Static_assert( KNOWN_CODES == (sizeof(http_msgs ) / sizeof(http_msgs [0])));
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52 |
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53 | const int http_codes[KNOWN_CODES] = {
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54 | 200,
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55 | 200,
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56 | 400,
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57 | 404,
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58 | 405,
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59 | 408,
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60 | 413,
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61 | 414,
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62 | };
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63 |
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64 | _Static_assert( KNOWN_CODES == (sizeof(http_codes) / sizeof(http_codes[0])));
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65 |
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66 | int code_val(HttpCode code) {
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67 | return http_codes[code];
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68 | }
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69 |
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70 | static inline int answer( int fd, const char * it, int len ) {
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71 | while(len > 0) {
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72 | // Call write
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73 | int ret = cfa_send(fd, it, len, 0, CFA_IO_LAZY);
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74 | if( ret < 0 ) {
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75 | if( errno == ECONNRESET || errno == EPIPE || errno == EBADF ) {
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76 | ret = close(fd);
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77 | if( ret != 0 ) abort( "close in 'answer' error: (%d) %s\n", (int)errno, strerror(errno) );
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78 | return -ECONNRESET;
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79 | }
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80 |
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81 | abort( "'answer error' error: (%d) %s\n", (int)errno, strerror(errno) );
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82 | }
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83 |
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84 | // update it/len
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85 | it += ret;
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86 | len -= ret;
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87 | }
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88 | return 0;
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89 | }
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90 |
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91 | // int answer_error( int fd, HttpCode code ) {
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92 | // /* paranoid */ assert( code < KNOWN_CODES && code != OK200 );
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93 | // int idx = (int)code;
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94 | // return answer( fd, http_msgs[idx]->msg, http_msgs[idx]->len );
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95 | // }
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96 |
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97 | static int fill_header(char * it, size_t size) {
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98 | memcpy(it, http_msgs[OK200]->msg, http_msgs[OK200]->len);
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99 | it += http_msgs[OK200]->len;
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100 | int len = http_msgs[OK200]->len;
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101 | len += snprintf(it, 512 - len, "%d \n\n", size);
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102 | return len;
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103 | }
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104 |
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105 | static int answer_header( int fd, size_t size ) {
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106 | char buffer[512];
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107 | int len = fill_header(buffer, size);
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108 | return answer( fd, buffer, len );
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109 | }
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110 |
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111 | // #if defined(PLAINTEXT_NOCOPY)
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112 | // int answer_plaintext( int fd ) {
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113 | // return answer(fd, http_msgs[OK200_PlainText]->msg, http_msgs[OK200_PlainText]->len); // +1 cause snprintf doesn't count nullterminator
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114 | // }
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115 | // #elif defined(PLAINTEXT_MEMCPY)
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116 | // #define TEXTSIZE 15
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117 | // int answer_plaintext( int fd ) {
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118 | // char text[] = "Hello, World!\n\n";
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119 | // char ts[] = xstr(TEXTSIZE) " \n\n";
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120 | // _Static_assert(sizeof(text) - 1 == TEXTSIZE);
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121 | // char buffer[512 + TEXTSIZE];
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122 | // char * it = buffer;
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123 | // memcpy(it, http_msgs[OK200]->msg, http_msgs[OK200]->len);
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124 | // it += http_msgs[OK200]->len;
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125 | // int len = http_msgs[OK200]->len;
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126 | // memcpy(it, ts, sizeof(ts) - 1);
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127 | // it += sizeof(ts) - 1;
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128 | // len += sizeof(ts) - 1;
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129 | // memcpy(it, text, TEXTSIZE);
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130 | // return answer(fd, buffer, len + TEXTSIZE);
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131 | // }
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132 | // #elif defined(PLAINTEXT_1WRITE)
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133 | // int answer_plaintext( int fd ) {
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134 | // char text[] = "Hello, World!\n\n";
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135 | // char buffer[512 + sizeof(text)];
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136 | // char * it = buffer;
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137 | // memcpy(it, http_msgs[OK200]->msg, http_msgs[OK200]->len);
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138 | // it += http_msgs[OK200]->len;
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139 | // int len = http_msgs[OK200]->len;
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140 | // int r = snprintf(it, 512 - len, "%d \n\n", sizeof(text));
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141 | // it += r;
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142 | // len += r;
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143 | // memcpy(it, text, sizeof(text));
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144 | // return answer(fd, buffer, len + sizeof(text));
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145 | // }
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146 | // #else
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147 | // int answer_plaintext( int fd ) {
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148 | // char text[] = "Hello, World!\n\n";
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149 | // int ret = answer_header(fd, sizeof(text));
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150 | // if( ret < 0 ) return ret;
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151 | // return answer(fd, text, sizeof(text));
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152 | // }
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153 | // #endif
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154 |
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155 | // int answer_empty( int fd ) {
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156 | // return answer_header(fd, 0);
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157 | // }
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158 |
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159 | static int sendfile( int pipe[2], int fd, int ans_fd, size_t count, sendfile_stats_t & stats ) {
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160 | int zipf_idx = -1;
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161 | STATS: for(i; zipf_cnts) {
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162 | if(count <= zipf_sizes[i]) {
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163 | zipf_idx = i;
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164 | break STATS;
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165 | }
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166 | }
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167 | if(zipf_idx < 0) mutex(serr) serr | "SENDFILE" | count | " greated than biggest zipf file";
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168 |
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169 | #if defined(TRUE_SENDFILE)
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170 | off_t offset = 0;
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171 | ssize_t ret;
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172 | int flags = fcntl(fd, F_GETFL);
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173 | if(flags < 0) abort("getfl in 'true sendfile' error: (%d) %s\n", (int)errno, strerror(errno) );
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174 | ret = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
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175 | if(ret < 0) abort("setfl in 'true sendfile' error: (%d) %s\n", (int)errno, strerror(errno) );
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176 |
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177 | while(count) {
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178 | ret = sendfile(fd, ans_fd, &offset, count);
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179 | if( ret <= 0 ) {
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180 | if( errno == EAGAIN || errno == EWOULDBLOCK ) {
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181 | stats.eagain++;
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182 | yield();
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183 | continue;
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184 | }
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185 | if( errno == ECONNRESET || errno == EPIPE ) {
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186 | ret = close(fd);
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187 | if( ret != 0 ) abort( "close in 'true sendfile' error: (%d) %s\n", (int)errno, strerror(errno) );
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188 | return -ECONNRESET;
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189 | }
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190 | abort( "sendfile error: %d (%d) %s\n", ret, (int)errno, strerror(errno) );
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191 | }
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192 | count -= ret;
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193 | stats.splcin++;
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194 | if(count > 0) stats.avgrd[zipf_idx].calls++;
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195 | stats.avgrd[zipf_idx].bytes += ret;
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196 | }
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197 |
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198 | ret = fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
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199 | if(ret < 0) abort("resetfl in 'true sendfile' error: (%d) %s\n", (int)errno, strerror(errno) );
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200 | #else
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201 | #error not implemented
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202 | // unsigned sflags = SPLICE_F_MOVE; // | SPLICE_F_MORE;
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203 | // off_t offset = 0;
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204 | // ssize_t ret;
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205 | // SPLICE1: while(count > 0) {
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206 | // stats.tries++;
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207 | // // ret = cfa_splice(ans_fd, &offset, pipe[1], 0p, count, sflags, CFA_IO_LAZY);
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208 | // ret = splice(ans_fd, &offset, pipe[1], 0p, count, sflags);
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209 | // if( ret <= 0 ) {
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210 | // if( errno == ECONNRESET || errno == EPIPE ) {
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211 | // ret = close(fd);
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212 | // if( ret != 0 ) abort( "close in 'sendfile splice in' error: (%d) %s\n", (int)errno, strerror(errno) );
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213 | // return -ECONNRESET;
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214 | // }
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215 | // abort( "splice [0] error: %d (%d) %s\n", ret, (int)errno, strerror(errno) );
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216 | // }
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217 | // count -= ret;
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218 | // stats.splcin++;
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219 | // if(count > 0) stats.avgrd[zipf_idx].calls++;
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220 | // stats.avgrd[zipf_idx].bytes += ret;
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221 |
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222 | // size_t in_pipe = ret;
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223 | // SPLICE2: while(in_pipe > 0) {
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224 | // ret = cfa_splice(pipe[0], 0p, fd, 0p, in_pipe, sflags, CFA_IO_LAZY);
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225 | // // ret = splice(pipe[0], 0p, fd, 0p, in_pipe, sflags);
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226 | // if( ret <= 0 ) {
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227 | // if( errno == ECONNRESET || errno == EPIPE ) {
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228 | // ret = close(fd);
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229 | // if( ret != 0 ) abort( "close in 'sendfile splice out' error: (%d) %s\n", (int)errno, strerror(errno) );
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230 | // return -ECONNRESET;
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231 | // }
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232 | // abort( "splice [1] error: %d (%d) %s\n", ret, (int)errno, strerror(errno) );
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233 | // }
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234 | // stats.splcot++;
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235 | // in_pipe -= ret;
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236 | // }
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237 |
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238 | // }
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239 | #endif
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240 |
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241 | return count;
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242 | }
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243 |
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244 | // enum FSM_STATE {
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245 | // Initial,
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246 | // Retry,
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247 | // Error,
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248 | // Done,
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249 | // };
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250 |
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251 | // struct FSM_Result {
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252 | // FSM_STATE state;
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253 | // int error;
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254 | // };
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255 |
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256 | // static inline void ?{}(FSM_Result & this) { this.state = Initial; this.error = 0; }
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257 | // static inline bool is_error(FSM_Result & this) { return Error == this.state; }
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258 | // static inline bool is_done(FSM_Result & this) { return Done == this.state; }
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259 |
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260 | // static inline int error(FSM_Result & this, int error) {
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261 | // this.error = error;
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262 | // this.state = Error;
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263 | // return error;
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264 | // }
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265 |
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266 | // static inline int done(FSM_Result & this) {
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267 | // this.state = Done;
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268 | // return 0;
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269 | // }
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270 |
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271 | // static inline int retry(FSM_Result & this) {
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272 | // this.state = Retry;
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273 | // return 0;
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274 | // }
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275 |
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276 | // static inline int need(FSM_Result & this) {
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277 | // switch(this.state) {
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278 | // case Initial:
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279 | // case Retry:
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280 | // return 1;
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281 | // case Error:
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282 | // if(this.error == 0) mutex(serr) serr | "State marked error but code is 0";
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283 | // case Done:
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284 | // return 0;
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285 | // }
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286 | // }
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287 |
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288 | // // Generator that handles sending the header
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289 | // generator header_g {
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290 | // io_future_t f;
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291 | // const char * next;
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292 | // int fd; size_t len;
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293 | // FSM_Result res;
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294 | // };
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295 |
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296 | // static inline void ?{}(header_g & this, int fd, const char * it, size_t len ) {
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297 | // this.next = it;
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298 | // this.fd = fd;
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299 | // this.len = len;
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300 | // }
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301 |
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302 | // static inline void fill(header_g & this, struct io_uring_sqe * sqe) {
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303 | // zero_sqe(sqe);
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304 | // sqe->opcode = IORING_OP_SEND;
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305 | // sqe->user_data = (uintptr_t)&this.f;
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306 | // sqe->flags = IOSQE_IO_LINK;
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307 | // sqe->fd = this.fd;
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308 | // sqe->addr = (uintptr_t)this.next;
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309 | // sqe->len = this.len;
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310 | // }
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311 |
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312 | // static inline int error(header_g & this, int error) {
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313 | // int ret = close(this.fd);
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314 | // if( ret != 0 ) {
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315 | // mutex(serr) serr | "Failed to close fd" | errno;
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316 | // }
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317 | // return error(this.res, error);
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318 | // }
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319 |
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320 | // static inline int wait_and_process(header_g & this, sendfile_stats_t & stats) {
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321 | // wait(this.f);
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322 |
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323 | // // Did something crazy happen?
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324 | // if(this.f.result > this.len) {
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325 | // mutex(serr) serr | "HEADER sent too much!";
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326 | // return error(this, -ERANGE);
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327 | // }
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328 |
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329 | // // Something failed?
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330 | // if(this.f.result < 0) {
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331 | // int error = -this.f.result;
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332 | // if( error == ECONNRESET ) return error(this, -ECONNRESET);
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333 | // if( error == EPIPE ) return error(this, -EPIPE);
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334 | // if( error == ECANCELED ) {
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335 | // mutex(serr) serr | "HEADER was cancelled, WTF!";
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336 | // return error(this, -ECONNRESET);
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337 | // }
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338 | // if( error == EAGAIN || error == EWOULDBLOCK) {
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339 | // mutex(serr) serr | "HEADER got eagain, WTF!";
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340 | // return error(this, -ECONNRESET);
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341 | // }
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342 | // }
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343 |
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344 | // // Done?
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345 | // if(this.f.result == this.len) {
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346 | // return done(this.res);
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347 | // }
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348 |
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349 | // stats.header++;
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350 |
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351 | // // It must be a Short read
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352 | // this.len -= this.f.result;
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353 | // this.next += this.f.result;
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354 | // reset(this.f);
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355 | // return retry(this.res);
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356 | // }
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357 |
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358 | // // Generator that handles splicing in a file
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359 | // struct splice_in_t {
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360 | // io_future_t f;
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361 | // int fd; int pipe; size_t len; off_t off;
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362 | // short zipf_idx;
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363 | // FSM_Result res;
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364 | // };
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365 |
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366 | // static inline void ?{}(splice_in_t & this, int fd, int pipe, size_t len) {
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367 | // this.fd = fd;
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368 | // this.pipe = pipe;
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369 | // this.len = len;
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370 | // this.off = 0;
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371 | // this.zipf_idx = -1;
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372 | // STATS: for(i; zipf_cnts) {
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373 | // if(len <= zipf_sizes[i]) {
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374 | // this.zipf_idx = i;
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375 | // break STATS;
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376 | // }
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377 | // }
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378 | // if(this.zipf_idx < 0) mutex(serr) serr | "SPLICE IN" | len | " greated than biggest zipf file";
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379 | // }
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380 |
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381 | // static inline void fill(splice_in_t & this, struct io_uring_sqe * sqe) {
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382 | // zero_sqe(sqe);
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383 | // sqe->opcode = IORING_OP_SPLICE;
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384 | // sqe->user_data = (uintptr_t)&this.f;
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385 | // sqe->flags = 0;
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386 | // sqe->splice_fd_in = this.fd;
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387 | // sqe->splice_off_in = this.off;
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388 | // sqe->fd = this.pipe;
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389 | // sqe->off = (__u64)-1;
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390 | // sqe->len = this.len;
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391 | // sqe->splice_flags = SPLICE_F_MOVE;
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392 | // }
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393 |
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394 | // static inline int wait_and_process(splice_in_t & this, sendfile_stats_t & stats ) {
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395 | // wait(this.f);
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396 |
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397 | // // Something failed?
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398 | // if(this.f.result < 0) {
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399 | // int error = -this.f.result;
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400 | // if( error == ECONNRESET ) return error(this.res, -ECONNRESET);
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401 | // if( error == EPIPE ) return error(this.res, -EPIPE);
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402 | // if( error == ECANCELED ) {
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403 | // mutex(serr) serr | "SPLICE IN was cancelled, WTF!";
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404 | // return error(this.res, -ECONNRESET);
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405 | // }
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406 | // if( error == EAGAIN || error == EWOULDBLOCK) {
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407 | // mutex(serr) serr | "SPLICE IN got eagain, WTF!";
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408 | // return error(this.res, -ECONNRESET);
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409 | // }
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410 | // mutex(serr) serr | "SPLICE IN got" | error | ", WTF!";
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411 | // return error(this.res, -ECONNRESET);
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412 | // }
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413 |
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414 | // // Did something crazy happen?
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415 | // if(this.f.result > this.len) {
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416 | // mutex(serr) serr | "SPLICE IN spliced too much!";
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417 | // return error(this.res, -ERANGE);
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418 | // }
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419 |
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420 | // // Done?
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421 | // if(this.f.result == this.len) {
|
---|
422 | // return done(this.res);
|
---|
423 | // }
|
---|
424 |
|
---|
425 | // stats.splcin++;
|
---|
426 | // stats.avgrd[this.zipf_idx].calls++;
|
---|
427 | // stats.avgrd[this.zipf_idx].bytes += this.f.result;
|
---|
428 |
|
---|
429 | // // It must be a Short read
|
---|
430 | // this.len -= this.f.result;
|
---|
431 | // this.off += this.f.result;
|
---|
432 | // reset(this.f);
|
---|
433 | // return retry(this.res);
|
---|
434 | // }
|
---|
435 |
|
---|
436 | // generator splice_out_g {
|
---|
437 | // io_future_t f;
|
---|
438 | // int pipe; int fd; size_t len;
|
---|
439 | // FSM_Result res;
|
---|
440 | // };
|
---|
441 |
|
---|
442 | // static inline void ?{}(splice_out_g & this, int pipe, int fd, size_t len) {
|
---|
443 | // this.pipe = pipe;
|
---|
444 | // this.fd = fd;
|
---|
445 | // this.len = len;
|
---|
446 | // }
|
---|
447 |
|
---|
448 | // static inline void fill(splice_out_g & this, struct io_uring_sqe * sqe) {
|
---|
449 | // zero_sqe(sqe);
|
---|
450 | // sqe->opcode = IORING_OP_SPLICE;
|
---|
451 | // sqe->user_data = (uintptr_t)&this.f;
|
---|
452 | // sqe->flags = 0;
|
---|
453 | // sqe->splice_fd_in = this.pipe;
|
---|
454 | // sqe->splice_off_in = (__u64)-1;
|
---|
455 | // sqe->fd = this.fd;
|
---|
456 | // sqe->off = (__u64)-1;
|
---|
457 | // sqe->len = this.len;
|
---|
458 | // sqe->splice_flags = SPLICE_F_MOVE;
|
---|
459 | // }
|
---|
460 |
|
---|
461 | // static inline int error(splice_out_g & this, int error) {
|
---|
462 | // int ret = close(this.fd);
|
---|
463 | // if( ret != 0 ) {
|
---|
464 | // mutex(serr) serr | "Failed to close fd" | errno;
|
---|
465 | // }
|
---|
466 | // return error(this.res, error);
|
---|
467 | // }
|
---|
468 |
|
---|
469 | // static inline void wait_and_process(splice_out_g & this, sendfile_stats_t & stats ) {
|
---|
470 | // wait(this.f);
|
---|
471 |
|
---|
472 | // // Something failed?
|
---|
473 | // if(this.f.result < 0) {
|
---|
474 | // int error = -this.f.result;
|
---|
475 | // if( error == ECONNRESET ) return error(this, -ECONNRESET);
|
---|
476 | // if( error == EPIPE ) return error(this, -EPIPE);
|
---|
477 | // if( error == ECANCELED ) {
|
---|
478 | // this.f.result = 0;
|
---|
479 | // goto SHORT_WRITE;
|
---|
480 | // }
|
---|
481 | // if( error == EAGAIN || error == EWOULDBLOCK) {
|
---|
482 | // mutex(serr) serr | "SPLICE OUT got eagain, WTF!";
|
---|
483 | // return error(this, -ECONNRESET);
|
---|
484 | // }
|
---|
485 | // mutex(serr) serr | "SPLICE OUT got" | error | ", WTF!";
|
---|
486 | // return error(this, -ECONNRESET);
|
---|
487 | // }
|
---|
488 |
|
---|
489 | // // Did something crazy happen?
|
---|
490 | // if(this.f.result > this.len) {
|
---|
491 | // mutex(serr) serr | "SPLICE OUT spliced too much!" | this.f.result | ">" | this.len;
|
---|
492 | // return error(this.res, -ERANGE);
|
---|
493 | // }
|
---|
494 |
|
---|
495 | // // Done?
|
---|
496 | // if(this.f.result == this.len) {
|
---|
497 | // return done(this.res);
|
---|
498 | // }
|
---|
499 |
|
---|
500 | // SHORT_WRITE:
|
---|
501 | // stats.splcot++;
|
---|
502 |
|
---|
503 | // // It must be a Short Write
|
---|
504 | // this.len -= this.f.result;
|
---|
505 | // reset(this.f);
|
---|
506 | // return retry(this.res);
|
---|
507 | // }
|
---|
508 |
|
---|
509 | int answer_sendfile( int pipe[2], int fd, int ans_fd, size_t fsize, sendfile_stats_t & stats ) {
|
---|
510 | stats.calls++;
|
---|
511 | #if defined(LINKED_IO)
|
---|
512 | // char buffer[512];
|
---|
513 | // int len = fill_header(buffer, fsize);
|
---|
514 | // header_g header = { fd, buffer, len };
|
---|
515 | // splice_in_t splice_in = { ans_fd, pipe[1], fsize };
|
---|
516 | // splice_out_g splice_out = { pipe[0], fd, fsize };
|
---|
517 |
|
---|
518 | // RETRY_LOOP: for() {
|
---|
519 | // stats.tries++;
|
---|
520 | // int have = need(header.res) + need(splice_in.res) + 1;
|
---|
521 | // int idx = 0;
|
---|
522 | // struct io_uring_sqe * sqes[3];
|
---|
523 | // __u32 idxs[3];
|
---|
524 | // struct io_context$ * ctx = cfa_io_allocate(sqes, idxs, have);
|
---|
525 |
|
---|
526 | // if(need(splice_in.res)) { fill(splice_in, sqes[idx++]); }
|
---|
527 | // if(need( header.res)) { fill(header , sqes[idx++]); }
|
---|
528 | // fill(splice_out, sqes[idx]);
|
---|
529 |
|
---|
530 | // // Submit everything
|
---|
531 | // asm volatile("": : :"memory");
|
---|
532 | // cfa_io_submit( ctx, idxs, have, false );
|
---|
533 |
|
---|
534 | // // wait for the results
|
---|
535 | // // Always wait for splice-in to complete as
|
---|
536 | // // we may need to kill the connection if it fails
|
---|
537 | // // If it already completed, this is a no-op
|
---|
538 | // wait_and_process(splice_in, stats);
|
---|
539 |
|
---|
540 | // if(is_error(splice_in.res)) {
|
---|
541 | // if(splice_in.res.error == -EPIPE) return -ECONNRESET;
|
---|
542 | // mutex(serr) serr | "SPLICE IN failed with" | splice_in.res.error;
|
---|
543 | // int ret = close(fd);
|
---|
544 | // if( ret != 0 ) abort( "close in 'answer sendfile' error: (%d) %s\n", (int)errno, strerror(errno) );
|
---|
545 | // }
|
---|
546 |
|
---|
547 | // // Process the other 2
|
---|
548 | // wait_and_process(header, stats);
|
---|
549 | // wait_and_process(splice_out, stats);
|
---|
550 |
|
---|
551 | // if(is_done(splice_out.res)) {
|
---|
552 | // break RETRY_LOOP;
|
---|
553 | // }
|
---|
554 |
|
---|
555 | // // We need to wait for the completion if
|
---|
556 | // // - both completed
|
---|
557 | // // - the header failed
|
---|
558 | // // -
|
---|
559 |
|
---|
560 | // if( is_error(header.res)
|
---|
561 | // || is_error(splice_in.res)
|
---|
562 | // || is_error(splice_out.res)) {
|
---|
563 | // return -ECONNRESET;
|
---|
564 | // }
|
---|
565 | // }
|
---|
566 |
|
---|
567 | // return len + fsize;
|
---|
568 | #else
|
---|
569 | int ret = answer_header(fd, fsize);
|
---|
570 | if( ret < 0 ) { return ret; }
|
---|
571 | return sendfile(pipe, fd, ans_fd, fsize, stats);
|
---|
572 | #endif
|
---|
573 | }
|
---|
574 |
|
---|
575 | [HttpCode code, bool closed, * const char file, size_t len] http_read(volatile int & fd, []char buffer, size_t len, io_future_t * f) {
|
---|
576 | char * it = buffer;
|
---|
577 | size_t count = len - 1;
|
---|
578 | int rlen = 0;
|
---|
579 | READ:
|
---|
580 | for() {
|
---|
581 | int ret;
|
---|
582 | if( f ) {
|
---|
583 | ret = wait_res(*f);
|
---|
584 | reset(*f);
|
---|
585 | f = 0p;
|
---|
586 | } else {
|
---|
587 | ret = cfa_recv(fd, (void*)it, count, 0, CFA_IO_LAZY);
|
---|
588 | }
|
---|
589 | // int ret = read(fd, (void*)it, count);
|
---|
590 | if(ret == 0 ) {
|
---|
591 | ret = close(fd);
|
---|
592 | if( ret != 0 ) abort( "close in 'http read good' error: (%d) %s\n", (int)errno, strerror(errno) );
|
---|
593 | return [OK200, true, 0, 0];
|
---|
594 | }
|
---|
595 | if(ret < 0 ) {
|
---|
596 | if( errno == ECONNRESET || errno == EPIPE ) {
|
---|
597 | ret = close(fd);
|
---|
598 | if( ret != 0 ) abort( "close in 'http read bad' error: (%d) %s\n", (int)errno, strerror(errno) );
|
---|
599 | return [E408, true, 0, 0];
|
---|
600 | }
|
---|
601 | abort( "read error: (%d) %s\n", (int)errno, strerror(errno) );
|
---|
602 | }
|
---|
603 | it[ret + 1] = '\0';
|
---|
604 | rlen += ret;
|
---|
605 |
|
---|
606 | if( strstr( it, "\r\n\r\n" ) ) break;
|
---|
607 |
|
---|
608 | it += ret;
|
---|
609 | count -= ret;
|
---|
610 |
|
---|
611 | if( count < 1 ) return [E414, false, 0, 0];
|
---|
612 | }
|
---|
613 |
|
---|
614 | if( options.log ) {
|
---|
615 | write(sout, buffer, rlen);
|
---|
616 | sout | nl;
|
---|
617 | }
|
---|
618 |
|
---|
619 | it = buffer;
|
---|
620 | int ret = memcmp(it, "GET /", 5);
|
---|
621 | if( ret != 0 ) return [E400, false, 0, 0];
|
---|
622 | it += 5;
|
---|
623 |
|
---|
624 | char * end = strstr( it, " " );
|
---|
625 | return [OK200, false, it, end - it];
|
---|
626 | }
|
---|
627 |
|
---|
628 | //=============================================================================================
|
---|
629 |
|
---|
630 | #include <clock.hfa>
|
---|
631 | #include <time.hfa>
|
---|
632 | #include <thread.hfa>
|
---|
633 |
|
---|
634 | const char * original_http_msgs[] = {
|
---|
635 | "HTTP/1.1 200 OK\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: ",
|
---|
636 | "HTTP/1.1 200 OK\r\nServer: HttpForall\r\nConnection: keep-alive\r\nContent-Length: 15\r\nContent-Type: text/html\r\nDate: %s \r\n\r\nHello, World!\r\n",
|
---|
637 | "HTTP/1.1 400 Bad Request\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: 0 \n\n",
|
---|
638 | "HTTP/1.1 404 Not Found\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: 0 \n\n",
|
---|
639 | "HTTP/1.1 405 Method Not Allowed\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: 0 \n\n",
|
---|
640 | "HTTP/1.1 408 Request Timeout\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: 0 \n\n",
|
---|
641 | "HTTP/1.1 413 Payload Too Large\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: 0 \n\n",
|
---|
642 | "HTTP/1.1 414 URI Too Long\nServer: HttpForall\nDate: %s \nContent-Type: text/plain\nContent-Length: 0 \n\n",
|
---|
643 | };
|
---|
644 |
|
---|
645 | struct date_buffer {
|
---|
646 | https_msg_str strs[KNOWN_CODES];
|
---|
647 | };
|
---|
648 |
|
---|
649 | thread DateFormater {
|
---|
650 | int idx;
|
---|
651 | date_buffer buffers[2];
|
---|
652 | };
|
---|
653 |
|
---|
654 | void ?{}( DateFormater & this ) {
|
---|
655 | ((thread&)this){ "Server Date Thread" };
|
---|
656 | this.idx = 0;
|
---|
657 | memset( &this.buffers[0], 0, sizeof(this.buffers[0]) );
|
---|
658 | memset( &this.buffers[1], 0, sizeof(this.buffers[1]) );
|
---|
659 | }
|
---|
660 |
|
---|
661 | void main(DateFormater & this) {
|
---|
662 | LOOP: for() {
|
---|
663 | waitfor( ^?{} : this) {
|
---|
664 | break LOOP;
|
---|
665 | }
|
---|
666 | or else {}
|
---|
667 |
|
---|
668 |
|
---|
669 | char buff[100];
|
---|
670 | Time now = timeHiRes();
|
---|
671 | strftime( buff, 100, "%a, %d %b %Y %H:%M:%S %Z", now );
|
---|
672 | // if( options.log ) sout | "Updated date to '" | buff | "'";
|
---|
673 |
|
---|
674 | for(i; KNOWN_CODES) {
|
---|
675 | size_t len = snprintf( this.buffers[this.idx].strs[i].msg, 512, original_http_msgs[i], buff );
|
---|
676 | this.buffers[this.idx].strs[i].len = len;
|
---|
677 | }
|
---|
678 |
|
---|
679 | for(i; KNOWN_CODES) {
|
---|
680 | https_msg_str * next = &this.buffers[this.idx].strs[i];
|
---|
681 | __atomic_exchange_n((https_msg_str * volatile *)&http_msgs[i], next, __ATOMIC_SEQ_CST);
|
---|
682 | }
|
---|
683 | this.idx = (this.idx + 1) % 2;
|
---|
684 |
|
---|
685 | // if( options.log ) sout | "Date thread sleeping";
|
---|
686 |
|
---|
687 | sleep(1`s);
|
---|
688 | }
|
---|
689 | }
|
---|
690 |
|
---|
691 | //=============================================================================================
|
---|
692 | DateFormater * the_date_formatter;
|
---|
693 |
|
---|
694 | void init_protocol(void) {
|
---|
695 | the_date_formatter = alloc();
|
---|
696 | (*the_date_formatter){};
|
---|
697 | }
|
---|
698 |
|
---|
699 | void deinit_protocol(void) {
|
---|
700 | ^(*the_date_formatter){};
|
---|
701 | free( the_date_formatter );
|
---|
702 | }
|
---|