[2ecbd7b] | 1 | #include "options.hfa" |
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| 2 | |
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| 3 | #define _GNU_SOURCE |
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| 4 | #define __USE_GNU |
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| 5 | extern "C" { |
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| 6 | #include <sys/types.h> |
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| 7 | #include <sys/stat.h> |
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| 8 | #include <fcntl.h> |
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| 9 | } |
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| 10 | |
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[a6b587f] | 11 | #include <bitmanip.hfa> |
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[b57db73] | 12 | #include <fstream.hfa> |
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[2ecbd7b] | 13 | #include <kernel.hfa> |
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[42f1d739] | 14 | #include <parseargs.hfa> |
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[348f81d5] | 15 | #include <stdlib.hfa> |
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[2ecbd7b] | 16 | |
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[b57db73] | 17 | #include <stdlib.h> |
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[5ad381b] | 18 | #include <string.h> |
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| 19 | |
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[2ecbd7b] | 20 | Options options @= { |
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[481ee28] | 21 | false, // log |
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[2cd784a] | 22 | false, // stats |
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[40a64f78] | 23 | true, // interactive |
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| 24 | 0, // redirect |
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| 25 | 0, // redirect |
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[5ad381b] | 26 | |
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[2ecbd7b] | 27 | { // file_cache |
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[b57db73] | 28 | 0, // path |
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[2ecbd7b] | 29 | 0, // open_flags; |
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| 30 | 42u, // hash_seed; |
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| 31 | 0, // size; |
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| 32 | false, // list; |
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| 33 | false // fixed_fds |
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| 34 | }, |
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| 35 | |
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| 36 | { // socket |
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[86c12d65] | 37 | 8080, // port |
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| 38 | 10, // backlog |
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| 39 | 1024, // buflen |
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[7f0ac12] | 40 | false // reuseport |
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[2ecbd7b] | 41 | }, |
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| 42 | |
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| 43 | { // cluster |
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| 44 | 1, // nprocs; |
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| 45 | 1, // nworkers; |
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[b57db73] | 46 | {}, // params; |
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[2ecbd7b] | 47 | false, // procstats |
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| 48 | false, // viewhalts |
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| 49 | 0, // instance; |
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| 50 | } |
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| 51 | }; |
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| 52 | |
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[b57db73] | 53 | void parse_options( int argc, char * argv[] ) { |
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[8a039be] | 54 | unsigned nentries = 0; |
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[2ecbd7b] | 55 | static cfa_option opt[] = { |
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[bdbc24d] | 56 | { 'p', "port", "Port the server will listen on", options.socket.port}, |
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| 57 | { 'c', "cpus", "Number of processors to use", options.clopts.nprocs}, |
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| 58 | { 't', "threads", "Number of worker threads to use", options.clopts.nworkers}, |
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| 59 | {'\0', "log", "Enable logs", options.log, parse_settrue}, |
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[40a64f78] | 60 | {'\0', "sout", "Redirect standard out to file", options.reopen_stdout}, |
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| 61 | {'\0', "serr", "Redirect standard error to file", options.reopen_stderr}, |
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[2cd784a] | 62 | {'\0', "stats", "Enable statistics", options.stats, parse_settrue}, |
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[40a64f78] | 63 | {'\0', "shell", "Disable interactive mode", options.interactive, parse_setfalse}, |
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[bdbc24d] | 64 | {'\0', "accept-backlog", "Maximum number of pending accepts", options.socket.backlog}, |
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[7f0ac12] | 65 | {'\0', "reuseport", "Use acceptor threads with reuse port SO_REUSEPORT", options.socket.reuseport, parse_settrue}, |
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[bdbc24d] | 66 | {'\0', "request_len", "Maximum number of bytes in the http request, requests with more data will be answered with Http Code 414", options.socket.buflen}, |
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| 67 | {'\0', "seed", "seed to use for hashing", options.file_cache.hash_seed }, |
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| 68 | {'\0', "cache-size", "Size of the cache to use, if set to small, will uses closes power of 2", options.file_cache.size }, |
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| 69 | {'\0', "list-files", "List the files in the specified path and exit", options.file_cache.list, parse_settrue }, |
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[4f762d3] | 70 | // { 'f', "fixed-fds", "If set, files are open eagerly and pre-registered with the cluster", fixedfd, parse_settrue}, |
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| 71 | // { 'k', "kpollsubmit", "If set, cluster uses IORING_SETUP_SQPOLL, implies -f", sqkpoll, parse_settrue }, |
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| 72 | // { 'i', "kpollcomplete", "If set, cluster uses IORING_SETUP_IOPOLL", iokpoll, parse_settrue }, |
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[18a7594] | 73 | {'e', "numentries", "Number of I/O entries", nentries }, |
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[2ecbd7b] | 74 | |
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| 75 | }; |
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| 76 | int opt_cnt = sizeof(opt) / sizeof(cfa_option); |
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| 77 | |
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| 78 | char **left; |
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| 79 | parse_args( argc, argv, opt, opt_cnt, "[OPTIONS]... [PATH]\ncforall http server", left ); |
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| 80 | |
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[8a039be] | 81 | if( nentries != 0 && !is_pow2(nentries) ) { |
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[a6b587f] | 82 | unsigned v = nentries; |
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| 83 | v--; |
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| 84 | v |= v >> 1; |
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| 85 | v |= v >> 2; |
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| 86 | v |= v >> 4; |
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| 87 | v |= v >> 8; |
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| 88 | v |= v >> 16; |
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| 89 | v++; |
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| 90 | serr | "Warning: num_entries not a power of 2" | '(' | nentries | ')' | "raising to " | v; |
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| 91 | nentries = v; |
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| 92 | } |
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| 93 | options.clopts.params.num_entries = nentries; |
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[8c58e73] | 94 | options.clopts.instance = 0p; |
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| 95 | options.clopts.thrd_cnt = 0; |
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[348f81d5] | 96 | |
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[a6b587f] | 97 | |
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[4f762d3] | 98 | // if( fixedfd ) { |
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| 99 | // options.file_cache.fixed_fds = true; |
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| 100 | // } |
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[2ecbd7b] | 101 | |
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[4f762d3] | 102 | // if( sqkpoll ) { |
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| 103 | // options.file_cache.fixed_fds = true; |
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| 104 | // } |
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[2ecbd7b] | 105 | |
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[4f762d3] | 106 | // if( iokpoll ) { |
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| 107 | // options.file_cache.open_flags |= O_DIRECT; |
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| 108 | // } |
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[2ecbd7b] | 109 | |
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[a6b587f] | 110 | if( left[0] == 0p ) { return; } |
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[2ecbd7b] | 111 | |
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| 112 | const char * path = left[0]; |
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| 113 | left++; |
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| 114 | |
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| 115 | if( left[0] != 0p ) { |
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[a6b587f] | 116 | serr | "Too many trailing arguments!" | '\'' | path | '\''; |
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| 117 | while(left[0] != 0p) { |
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| 118 | serr | " - " | left[0]; |
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| 119 | left++; |
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| 120 | } |
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[b57db73] | 121 | exit(EXIT_FAILURE); |
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[2ecbd7b] | 122 | } |
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| 123 | |
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[b57db73] | 124 | options.file_cache.path = path; |
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[40a64f78] | 125 | |
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| 126 | if( options.reopen_stdout && options.reopen_stderr && 0 == strcmp(options.reopen_stdout, options.reopen_stderr) ) { |
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| 127 | serr | "Redirect sout and serr to the same file is not supported"; |
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| 128 | exit(EXIT_FAILURE); |
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| 129 | } |
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| 130 | |
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| 131 | if( options.reopen_stdout ) { |
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| 132 | sout | "redirecting sout to '" | options.reopen_stdout | "'"; |
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| 133 | FILE * ret = freopen( options.reopen_stdout, "w", stdout); |
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| 134 | if( ret == 0p ) { |
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| 135 | serr | "Failed to redirect sout to '" | options.reopen_stdout | "'"; |
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| 136 | exit(EXIT_FAILURE); |
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| 137 | } |
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| 138 | } |
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| 139 | |
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| 140 | if( options.reopen_stderr ) { |
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| 141 | sout | "redirecting serr to '" | options.reopen_stderr | "'"; |
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| 142 | FILE * ret = freopen( options.reopen_stderr, "w", stderr); |
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| 143 | if( ret == 0p ) { |
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| 144 | serr | "Failed to redirect serr to '" | options.reopen_stderr | "'"; |
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| 145 | exit(EXIT_FAILURE); |
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| 146 | } |
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| 147 | } |
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[2ecbd7b] | 148 | } |
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