1 | #include "worker.hfa" |
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2 | |
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3 | #include <errno.h> |
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4 | #include <stdio.h> |
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5 | #include <string.h> |
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6 | #include <unistd.h> |
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7 | |
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8 | #include <fstream.hfa> |
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9 | #include <iofwd.hfa> |
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10 | |
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11 | #include "options.hfa" |
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12 | #include "protocol.hfa" |
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13 | #include "filecache.hfa" |
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14 | |
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15 | //============================================================================================= |
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16 | // Worker Thread |
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17 | //============================================================================================= |
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18 | void ?{}( Worker & this ) { |
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19 | size_t cli = rand() % options.clopts.cltr_cnt; |
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20 | ((thread&)this){ "Server Worker Thread", *options.clopts.instance[cli], 64000 }; |
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21 | options.clopts.thrd_cnt[cli]++; |
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22 | this.pipe[0] = -1; |
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23 | this.pipe[1] = -1; |
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24 | this.done = false; |
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25 | |
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26 | this.stats.sendfile.calls = 0; |
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27 | this.stats.sendfile.tries = 0; |
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28 | this.stats.sendfile.header = 0; |
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29 | this.stats.sendfile.splcin = 0; |
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30 | this.stats.sendfile.splcot = 0; |
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31 | for(i; zipf_cnts) { |
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32 | this.stats.sendfile.avgrd[i].calls = 0; |
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33 | this.stats.sendfile.avgrd[i].bytes = 0; |
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34 | } |
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35 | } |
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36 | |
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37 | extern "C" { |
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38 | extern int accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags); |
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39 | } |
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40 | |
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41 | void main( Worker & this ) { |
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42 | park(); |
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43 | /* paranoid */ assert( this.pipe[0] != -1 ); |
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44 | /* paranoid */ assert( this.pipe[1] != -1 ); |
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45 | |
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46 | const bool reuse = options.socket.manyreuse; |
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47 | |
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48 | CONNECTION: |
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49 | for() { |
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50 | if( options.log ) sout | "=== Accepting connection ==="; |
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51 | int fd = cfa_accept4( this.[sockfd, addr, addrlen, flags], CFA_IO_LAZY ); |
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52 | if(fd < 0) { |
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53 | if( errno == ECONNABORTED ) break; |
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54 | if( this.done && (errno == EINVAL || errno == EBADF) ) break; |
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55 | abort( "accept error: (%d) %s\n", (int)errno, strerror(errno) ); |
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56 | } |
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57 | if(this.done) break; |
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58 | |
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59 | if( options.log ) sout | "=== New connection" | fd | "" | ", waiting for requests ==="; |
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60 | REQUEST: |
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61 | for() { |
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62 | bool closed; |
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63 | HttpCode code; |
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64 | const char * file; |
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65 | size_t name_size; |
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66 | |
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67 | // Read the http request |
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68 | size_t len = options.socket.buflen; |
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69 | char buffer[len]; |
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70 | if( options.log ) sout | "=== Reading request ==="; |
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71 | [code, closed, file, name_size] = http_read(fd, buffer, len); |
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72 | |
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73 | // if we are done, break out of the loop |
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74 | if( closed ) break REQUEST; |
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75 | |
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76 | // If this wasn't a request retrun 400 |
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77 | if( code != OK200 ) { |
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78 | sout | "=== Invalid Request :" | code_val(code) | "==="; |
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79 | answer_error(fd, code); |
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80 | continue REQUEST; |
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81 | } |
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82 | |
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83 | if(0 == strncmp(file, "plaintext", min(name_size, sizeof("plaintext") ))) { |
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84 | if( options.log ) sout | "=== Request for /plaintext ==="; |
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85 | |
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86 | int ret = answer_plaintext(fd); |
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87 | if( ret == -ECONNRESET ) break REQUEST; |
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88 | |
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89 | if( options.log ) sout | "=== Answer sent ==="; |
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90 | continue REQUEST; |
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91 | } |
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92 | |
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93 | if(0 == strncmp(file, "ping", min(name_size, sizeof("ping") ))) { |
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94 | if( options.log ) sout | "=== Request for /ping ==="; |
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95 | |
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96 | // Send the header |
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97 | int ret = answer_empty(fd); |
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98 | if( ret == -ECONNRESET ) break REQUEST; |
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99 | |
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100 | if( options.log ) sout | "=== Answer sent ==="; |
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101 | continue REQUEST; |
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102 | } |
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103 | |
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104 | if( options.log ) { |
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105 | sout | "=== Request for file " | nonl; |
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106 | write(sout, file, name_size); |
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107 | sout | " ==="; |
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108 | } |
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109 | |
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110 | if( !options.file_cache.path ) { |
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111 | if( options.log ) { |
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112 | sout | "=== File Not Found (" | nonl; |
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113 | write(sout, file, name_size); |
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114 | sout | ") ==="; |
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115 | } |
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116 | answer_error(fd, E405); |
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117 | continue REQUEST; |
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118 | } |
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119 | |
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120 | // Get the fd from the file cache |
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121 | int ans_fd; |
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122 | size_t count; |
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123 | [ans_fd, count] = get_file( file, name_size ); |
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124 | |
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125 | // If we can't find the file, return 404 |
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126 | if( ans_fd < 0 ) { |
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127 | if( options.log ) { |
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128 | sout | "=== File Not Found (" | nonl; |
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129 | write(sout, file, name_size); |
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130 | sout | ") ==="; |
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131 | } |
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132 | answer_error(fd, E404); |
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133 | continue REQUEST; |
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134 | } |
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135 | |
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136 | // Send the desired file |
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137 | int ret = answer_sendfile( this.pipe, fd, ans_fd, count, this.stats.sendfile ); |
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138 | if( ret == -ECONNRESET ) break REQUEST; |
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139 | |
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140 | if( options.log ) sout | "=== Answer sent ==="; |
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141 | } |
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142 | |
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143 | if( options.log ) sout | "=== Connection closed ==="; |
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144 | continue CONNECTION; |
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145 | } |
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146 | } |
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