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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11 | #include <kernel.hfa> |
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12 | #include <parseargs.hfa> |
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13 | |
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14 | #include <string.h> |
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15 | |
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16 | Options options @= { |
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17 | { // experiment |
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18 | FileExperiment, // type |
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19 | }, |
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20 | |
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21 | { // file_cache |
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22 | 0, // open_flags; |
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23 | 42u, // hash_seed; |
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24 | 0, // size; |
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25 | false, // list; |
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26 | false // fixed_fds |
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27 | }, |
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28 | |
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29 | { // socket |
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30 | 8080, // port |
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31 | 10, // backlog |
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32 | 1024 // buflen |
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33 | }, |
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34 | |
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35 | { // cluster |
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36 | 1, // nprocs; |
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37 | 1, // nworkers; |
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38 | 0, // flags; |
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39 | false, // procstats |
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40 | false, // viewhalts |
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41 | 0, // instance; |
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42 | } |
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43 | }; |
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44 | |
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45 | static bool parse(const char * arg, ExprimentType & value) { |
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46 | if(strcmp(arg, "file") == 0) { |
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47 | value = FileExperiment; |
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48 | return true; |
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49 | } |
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50 | |
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51 | if(strcmp(arg, "plaintext") == 0) { |
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52 | value = HelloWorldExperiment; |
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53 | return true; |
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54 | } |
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55 | |
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56 | return false; |
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57 | } |
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58 | |
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59 | const char * parse_options( int argc, char * argv[] ) { |
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60 | bool subthrd = false; |
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61 | bool eagrsub = false; |
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62 | bool fixedfd = false; |
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63 | bool sqkpoll = false; |
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64 | bool iokpoll = false; |
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65 | unsigned sublen = 16; |
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66 | |
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67 | static cfa_option opt[] = { |
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68 | {'p', "port", "Port the server will listen on", options.socket.port}, |
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69 | {'c', "cpus", "Number of processors to use", options.clopts.nprocs}, |
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70 | {'T', "experiment", "Experiment type to run: file, plaintext", options.experiment.type}, |
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71 | {'t', "threads", "Number of worker threads to use", options.clopts.nworkers}, |
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72 | {'b', "accept-backlog", "Maximum number of pending accepts", options.socket.backlog}, |
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73 | {'r', "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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74 | {'S', "seed", "seed to use for hashing", options.file_cache.hash_seed }, |
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75 | {'C', "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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76 | {'l', "list-files", "List the files in the specified path and exit", options.file_cache.list, parse_settrue }, |
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77 | {'s', "submitthread", "If set, cluster uses polling thread to submit I/O", subthrd, parse_settrue }, |
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78 | {'e', "eagersubmit", "If set, cluster submits I/O eagerly but still aggregates submits", eagrsub, parse_settrue}, |
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79 | {'f', "fixed-fds", "If set, files are open eagerly and pre-registered with the cluster", fixedfd, parse_settrue}, |
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80 | {'k', "kpollsubmit", "If set, cluster uses IORING_SETUP_SQPOLL, implies -f", sqkpoll, parse_settrue }, |
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81 | {'i', "kpollcomplete", "If set, cluster uses IORING_SETUP_IOPOLL", iokpoll, parse_settrue }, |
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82 | {'L', "submitlength", "Max number of submitions that can be submitted together", sublen }, |
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83 | |
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84 | }; |
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85 | int opt_cnt = sizeof(opt) / sizeof(cfa_option); |
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86 | |
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87 | char **left; |
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88 | parse_args( argc, argv, opt, opt_cnt, "[OPTIONS]... [PATH]\ncforall http server", left ); |
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89 | |
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90 | options.clopts.params.poller_submits = subthrd; |
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91 | options.clopts.params.eager_submits = eagrsub; |
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92 | |
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93 | if( fixedfd ) { |
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94 | options.file_cache.fixed_fds = true; |
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95 | } |
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96 | |
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97 | if( sqkpoll ) { |
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98 | options.clopts.params.poll_submit = true; |
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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( iokpoll ) { |
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103 | options.clopts.params.poll_complete = true; |
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104 | options.file_cache.open_flags |= O_DIRECT; |
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105 | } |
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106 | |
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107 | options.clopts.params.num_ready = sublen; |
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108 | |
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109 | if( left[0] == 0p ) { return "."; } |
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110 | |
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111 | const char * path = left[0]; |
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112 | left++; |
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113 | |
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114 | if( left[0] != 0p ) { |
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115 | abort("Too many trailing arguments!\n"); |
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116 | } |
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117 | |
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118 | return path; |
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119 | } |
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