[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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[2ecbd7b] | 15 | |
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[b57db73] | 16 | #include <stdlib.h> |
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[5ad381b] | 17 | #include <string.h> |
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| 18 | |
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[2ecbd7b] | 19 | Options options @= { |
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[481ee28] | 20 | false, // log |
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[5ad381b] | 21 | |
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[2ecbd7b] | 22 | { // file_cache |
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[b57db73] | 23 | 0, // path |
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[2ecbd7b] | 24 | 0, // open_flags; |
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| 25 | 42u, // hash_seed; |
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| 26 | 0, // size; |
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| 27 | false, // list; |
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| 28 | false // fixed_fds |
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| 29 | }, |
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| 30 | |
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| 31 | { // socket |
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| 32 | 8080, // port |
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[03ed863] | 33 | 10, // backlog |
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| 34 | 1024 // buflen |
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[2ecbd7b] | 35 | }, |
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| 36 | |
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| 37 | { // cluster |
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| 38 | 1, // nprocs; |
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| 39 | 1, // nworkers; |
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[b57db73] | 40 | {}, // params; |
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[2ecbd7b] | 41 | false, // procstats |
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| 42 | false, // viewhalts |
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| 43 | 0, // instance; |
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| 44 | } |
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| 45 | }; |
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| 46 | |
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[b57db73] | 47 | void parse_options( int argc, char * argv[] ) { |
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[2ecbd7b] | 48 | bool subthrd = false; |
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| 49 | bool eagrsub = false; |
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| 50 | bool fixedfd = false; |
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| 51 | bool sqkpoll = false; |
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| 52 | bool iokpoll = false; |
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| 53 | unsigned sublen = 16; |
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[a6b587f] | 54 | unsigned nentries = 16; |
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| 55 | |
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[2ecbd7b] | 56 | |
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| 57 | static cfa_option opt[] = { |
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[bdbc24d] | 58 | { 'p', "port", "Port the server will listen on", options.socket.port}, |
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| 59 | { 'c', "cpus", "Number of processors to use", options.clopts.nprocs}, |
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| 60 | { 't', "threads", "Number of worker threads to use", options.clopts.nworkers}, |
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| 61 | {'\0', "log", "Enable logs", options.log, parse_settrue}, |
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| 62 | {'\0', "accept-backlog", "Maximum number of pending accepts", options.socket.backlog}, |
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| 63 | {'\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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| 64 | {'\0', "seed", "seed to use for hashing", options.file_cache.hash_seed }, |
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| 65 | {'\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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| 66 | {'\0', "list-files", "List the files in the specified path and exit", options.file_cache.list, parse_settrue }, |
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| 67 | { 's', "submitthread", "If set, cluster uses polling thread to submit I/O", subthrd, parse_settrue }, |
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| 68 | { 'e', "eagersubmit", "If set, cluster submits I/O eagerly but still aggregates submits", eagrsub, parse_settrue}, |
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| 69 | { 'f', "fixed-fds", "If set, files are open eagerly and pre-registered with the cluster", fixedfd, parse_settrue}, |
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| 70 | { 'k', "kpollsubmit", "If set, cluster uses IORING_SETUP_SQPOLL, implies -f", sqkpoll, parse_settrue }, |
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| 71 | { 'i', "kpollcomplete", "If set, cluster uses IORING_SETUP_IOPOLL", iokpoll, parse_settrue }, |
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| 72 | {'\0', "submitlength", "Max number of submitions that can be submitted together", sublen }, |
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[a6b587f] | 73 | {'\0', "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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[a6b587f] | 81 | if( !is_pow2(nentries) ) { |
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| 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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| 94 | |
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[d11d6eb] | 95 | options.clopts.params.poller_submits = subthrd; |
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| 96 | options.clopts.params.eager_submits = eagrsub; |
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[2ecbd7b] | 97 | |
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| 98 | if( fixedfd ) { |
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| 99 | options.file_cache.fixed_fds = true; |
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| 100 | } |
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| 101 | |
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| 102 | if( sqkpoll ) { |
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[d11d6eb] | 103 | options.clopts.params.poll_submit = true; |
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[2ecbd7b] | 104 | options.file_cache.fixed_fds = true; |
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| 105 | } |
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| 106 | |
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| 107 | if( iokpoll ) { |
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[d11d6eb] | 108 | options.clopts.params.poll_complete = true; |
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[2ecbd7b] | 109 | options.file_cache.open_flags |= O_DIRECT; |
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| 110 | } |
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| 111 | |
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[d11d6eb] | 112 | options.clopts.params.num_ready = sublen; |
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[2ecbd7b] | 113 | |
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[a6b587f] | 114 | if( left[0] == 0p ) { return; } |
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[2ecbd7b] | 115 | |
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| 116 | const char * path = left[0]; |
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| 117 | left++; |
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| 118 | |
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| 119 | if( left[0] != 0p ) { |
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[a6b587f] | 120 | serr | "Too many trailing arguments!" | '\'' | path | '\''; |
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| 121 | while(left[0] != 0p) { |
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| 122 | serr | " - " | left[0]; |
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| 123 | left++; |
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| 124 | } |
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[b57db73] | 125 | exit(EXIT_FAILURE); |
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[2ecbd7b] | 126 | } |
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| 127 | |
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[b57db73] | 128 | options.file_cache.path = path; |
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[2ecbd7b] | 129 | } |
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