[0aec496] | 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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[c82af9f] | 6 | #include <unistd.h> |
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[0aec496] | 7 | |
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[8c43d05] | 8 | #include <fstream.hfa> |
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[0aec496] | 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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[2ecbd7b] | 19 | ((thread&)this){ "Server Worker Thread", *options.clopts.instance }; |
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[d9c2284] | 20 | this.pipe[0] = -1; |
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| 21 | this.pipe[1] = -1; |
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[481ee28] | 22 | this.done = false; |
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| 23 | } |
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| 24 | |
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| 25 | extern "C" { |
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| 26 | extern int accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags); |
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[0aec496] | 27 | } |
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| 28 | |
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| 29 | void main( Worker & this ) { |
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[e235429] | 30 | park(); |
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[d9c2284] | 31 | /* paranoid */ assert( this.pipe[0] != -1 ); |
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| 32 | /* paranoid */ assert( this.pipe[1] != -1 ); |
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| 33 | |
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[0aec496] | 34 | CONNECTION: |
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[e95a117] | 35 | for() { |
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[8c43d05] | 36 | if( options.log ) sout | "=== Accepting connection ==="; |
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[ece0e80] | 37 | int fd = cfa_accept4( this.[sockfd, addr, addrlen, flags], 0, -1`s, &this.cancel, 0p ); |
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[481ee28] | 38 | // int fd = accept4( this.[sockfd, addr, addrlen, flags] ); |
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[8e3034d] | 39 | if(fd < 0) { |
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| 40 | if( errno == ECONNABORTED ) break; |
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[ee59ede] | 41 | if( this.done && (errno == EINVAL || errno == EBADF) ) break; |
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[8e3034d] | 42 | abort( "accept error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 43 | } |
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[e95a117] | 44 | |
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[8c43d05] | 45 | if( options.log ) sout | "=== New connection" | fd | "" | ", waiting for requests ==="; |
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[0aec496] | 46 | REQUEST: |
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| 47 | for() { |
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| 48 | bool closed; |
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| 49 | HttpCode code; |
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| 50 | const char * file; |
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| 51 | size_t name_size; |
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| 52 | |
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| 53 | // Read the http request |
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[03ed863] | 54 | size_t len = options.socket.buflen; |
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[0aec496] | 55 | char buffer[len]; |
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[8c43d05] | 56 | if( options.log ) sout | "=== Reading request ==="; |
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[ece0e80] | 57 | [code, closed, file, name_size] = http_read(fd, buffer, len, &this.cancel); |
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[0aec496] | 58 | |
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| 59 | // if we are done, break out of the loop |
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[ee59ede] | 60 | if( closed ) break REQUEST; |
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[0aec496] | 61 | |
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| 62 | // If this wasn't a request retrun 400 |
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| 63 | if( code != OK200 ) { |
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[8c43d05] | 64 | sout | "=== Invalid Request :" | code_val(code) | "==="; |
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[0aec496] | 65 | answer_error(fd, code); |
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| 66 | continue REQUEST; |
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| 67 | } |
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| 68 | |
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[561dd26] | 69 | if(0 == strncmp(file, "plaintext", min(name_size, sizeof("plaintext") ))) { |
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[8c43d05] | 70 | if( options.log ) sout | "=== Request for /plaintext ==="; |
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[0aec496] | 71 | |
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[561dd26] | 72 | char text[] = "Hello, World!\n"; |
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[0aec496] | 73 | |
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[561dd26] | 74 | // Send the header |
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[ee59ede] | 75 | int ret = answer_plain(fd, text, sizeof(text)); |
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| 76 | if( ret == -ECONNRESET ) break REQUEST; |
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[561dd26] | 77 | |
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[8c43d05] | 78 | if( options.log ) sout | "=== Answer sent ==="; |
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[97748ee] | 79 | continue REQUEST; |
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| 80 | } |
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[561dd26] | 81 | |
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[97748ee] | 82 | if(0 == strncmp(file, "ping", min(name_size, sizeof("ping") ))) { |
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[8c43d05] | 83 | if( options.log ) sout | "=== Request for /ping ==="; |
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[561dd26] | 84 | |
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| 85 | // Send the header |
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[ee59ede] | 86 | int ret = answer_empty(fd); |
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| 87 | if( ret == -ECONNRESET ) break REQUEST; |
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[561dd26] | 88 | |
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[8c43d05] | 89 | if( options.log ) sout | "=== Answer sent ==="; |
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[97748ee] | 90 | continue REQUEST; |
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[0aec496] | 91 | } |
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| 92 | |
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[8c43d05] | 93 | if( options.log ) { |
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| 94 | sout | "=== Request for file " | nonl; |
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| 95 | write(sout, file, name_size); |
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| 96 | sout | " ==="; |
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| 97 | } |
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[97748ee] | 98 | |
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[b57db73] | 99 | if( !options.file_cache.path ) { |
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| 100 | if( options.log ) { |
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| 101 | sout | "=== File Not Found (" | nonl; |
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| 102 | write(sout, file, name_size); |
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| 103 | sout | ") ==="; |
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| 104 | } |
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| 105 | answer_error(fd, E405); |
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| 106 | continue REQUEST; |
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| 107 | } |
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| 108 | |
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[97748ee] | 109 | // Get the fd from the file cache |
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| 110 | int ans_fd; |
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| 111 | size_t count; |
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| 112 | [ans_fd, count] = get_file( file, name_size ); |
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| 113 | |
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| 114 | // If we can't find the file, return 404 |
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| 115 | if( ans_fd < 0 ) { |
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[b57db73] | 116 | if( options.log ) { |
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| 117 | sout | "=== File Not Found (" | nonl; |
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| 118 | write(sout, file, name_size); |
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| 119 | sout | ") ==="; |
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| 120 | } |
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[97748ee] | 121 | answer_error(fd, E404); |
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| 122 | continue REQUEST; |
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| 123 | } |
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| 124 | |
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| 125 | // Send the header |
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[ee59ede] | 126 | int ret = answer_header(fd, count); |
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| 127 | if( ret == -ECONNRESET ) break REQUEST; |
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[97748ee] | 128 | |
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| 129 | // Send the desired file |
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[ee59ede] | 130 | ret = sendfile( this.pipe, fd, ans_fd, count); |
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| 131 | if( ret == -ECONNRESET ) break REQUEST; |
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[97748ee] | 132 | |
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[8c43d05] | 133 | if( options.log ) sout | "=== Answer sent ==="; |
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[0aec496] | 134 | } |
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[ee59ede] | 135 | |
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[8c43d05] | 136 | if( options.log ) sout | "=== Connection closed ==="; |
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[ee59ede] | 137 | close(fd); |
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| 138 | continue CONNECTION; |
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[0aec496] | 139 | } |
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| 140 | } |
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