[0aec496] | 1 | #define __USE_GNU |
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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 | extern "C" { |
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[c2df3031] | 8 | #include <signal.h> |
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[0aec496] | 9 | #include <sys/socket.h> |
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| 10 | #include <netinet/in.h> |
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| 11 | } |
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| 12 | |
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[8c43d05] | 13 | #include <fstream.hfa> |
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[0aec496] | 14 | #include <kernel.hfa> |
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[153dc387] | 15 | #include <iofwd.hfa> |
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[0aec496] | 16 | #include <stats.hfa> |
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[d11d6eb] | 17 | #include <time.hfa> |
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[0aec496] | 18 | #include <thread.hfa> |
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| 19 | |
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| 20 | #include "filecache.hfa" |
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| 21 | #include "options.hfa" |
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| 22 | #include "worker.hfa" |
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| 23 | |
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[d11d6eb] | 24 | extern void register_fixed_files( cluster &, int *, unsigned count ); |
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| 25 | |
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| 26 | Duration default_preemption() { |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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[0aec496] | 30 | //============================================================================================= |
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| 31 | // Globals |
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| 32 | //============================================================================================= |
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| 33 | struct ServerProc { |
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| 34 | processor self; |
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| 35 | }; |
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| 36 | |
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| 37 | void ?{}( ServerProc & this ) { |
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[2ecbd7b] | 38 | /* paranoid */ assert( options.clopts.instance != 0p ); |
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| 39 | (this.self){ "Benchmark Processor", *options.clopts.instance }; |
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[0aec496] | 40 | |
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| 41 | #if !defined(__CFA_NO_STATISTICS__) |
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[2ecbd7b] | 42 | if( options.clopts.procstats ) { |
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| 43 | print_stats_at_exit( this.self, options.clopts.instance->print_stats ); |
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[0aec496] | 44 | } |
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[2ecbd7b] | 45 | if( options.clopts.viewhalts ) { |
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[0aec496] | 46 | print_halts( this.self ); |
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| 47 | } |
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| 48 | #endif |
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| 49 | } |
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| 50 | |
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[c3ee5f3] | 51 | extern void init_protocol(void); |
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| 52 | extern void deinit_protocol(void); |
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| 53 | |
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[153dc387] | 54 | //============================================================================================= |
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| 55 | // Stats Printer |
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| 56 | //=============================================================================================' |
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| 57 | |
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| 58 | thread StatsPrinter {}; |
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| 59 | |
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| 60 | void ?{}( StatsPrinter & this ) { |
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| 61 | ((thread&)this){ "Stats Printer Thread" }; |
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| 62 | } |
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| 63 | |
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| 64 | void main(StatsPrinter & this) { |
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| 65 | LOOP: for() { |
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| 66 | waitfor( ^?{} : this) { |
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| 67 | break LOOP; |
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| 68 | } |
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| 69 | or else {} |
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| 70 | |
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| 71 | sleep(10`s); |
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| 72 | |
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| 73 | print_stats_now( *options.clopts.instance, CFA_STATS_READY_Q | CFA_STATS_IO ); |
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| 74 | } |
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| 75 | } |
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| 76 | |
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[0aec496] | 77 | //============================================================================================= |
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| 78 | // Main |
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| 79 | //=============================================================================================' |
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| 80 | int main( int argc, char * argv[] ) { |
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[c2df3031] | 81 | __sighandler_t s = 1p; |
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| 82 | signal(SIGPIPE, s); |
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| 83 | |
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[0aec496] | 84 | //=================== |
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| 85 | // Parse args |
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[b57db73] | 86 | parse_options(argc, argv); |
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[0aec496] | 87 | |
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| 88 | //=================== |
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| 89 | // Open Files |
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[b57db73] | 90 | if( options.file_cache.path ) { |
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| 91 | sout | "Filling cache from" | options.file_cache.path; |
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| 92 | fill_cache( options.file_cache.path ); |
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| 93 | } |
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[0aec496] | 94 | |
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| 95 | //=================== |
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| 96 | // Open Socket |
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[8c43d05] | 97 | sout | getpid() | ": Listening on port" | options.socket.port; |
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[0aec496] | 98 | int server_fd = socket(AF_INET, SOCK_STREAM, 0); |
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| 99 | if(server_fd < 0) { |
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| 100 | abort( "socket error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 101 | } |
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| 102 | |
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[7f389a5c] | 103 | int ret = 0; |
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[0aec496] | 104 | struct sockaddr_in address; |
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| 105 | int addrlen = sizeof(address); |
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| 106 | memset( (char *)&address, '\0' ); |
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| 107 | address.sin_family = AF_INET; |
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| 108 | address.sin_addr.s_addr = htonl(INADDR_ANY); |
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[2ecbd7b] | 109 | address.sin_port = htons( options.socket.port ); |
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[0aec496] | 110 | |
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[ee913e0a] | 111 | int waited = 0; |
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| 112 | for() { |
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| 113 | ret = bind( server_fd, (struct sockaddr *)&address, sizeof(address) ); |
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| 114 | if(ret < 0) { |
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[c3ee5f3] | 115 | if(errno == EADDRINUSE) { |
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[ee913e0a] | 116 | if(waited == 0) { |
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[8c43d05] | 117 | sout | "Waiting for port"; |
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[ee913e0a] | 118 | } else { |
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[8c43d05] | 119 | sout | "\r" | waited | nonl; |
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| 120 | flush( sout ); |
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[ee913e0a] | 121 | } |
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| 122 | waited ++; |
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| 123 | sleep( 1`s ); |
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| 124 | continue; |
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| 125 | } |
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| 126 | abort( "bind error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 127 | } |
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| 128 | break; |
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[0aec496] | 129 | } |
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| 130 | |
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[2ecbd7b] | 131 | ret = listen( server_fd, options.socket.backlog ); |
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[0aec496] | 132 | if(ret < 0) { |
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| 133 | abort( "listen error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 134 | } |
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| 135 | |
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| 136 | //=================== |
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| 137 | // Run Server Cluster |
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| 138 | { |
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[d11d6eb] | 139 | cluster cl = { "Server Cluster", options.clopts.params }; |
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[0aec496] | 140 | #if !defined(__CFA_NO_STATISTICS__) |
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| 141 | print_stats_at_exit( cl, CFA_STATS_READY_Q | CFA_STATS_IO ); |
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| 142 | #endif |
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[2ecbd7b] | 143 | options.clopts.instance = &cl; |
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[0aec496] | 144 | |
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[c3ee5f3] | 145 | |
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[d9c2284] | 146 | int pipe_cnt = options.clopts.nworkers * 2; |
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| 147 | int pipe_off; |
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| 148 | int * fds; |
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| 149 | [fds, pipe_off] = filefds( pipe_cnt ); |
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| 150 | for(i; 0 ~ pipe_cnt ~ 2) { |
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| 151 | int ret = pipe(&fds[pipe_off + i]); |
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| 152 | if( ret < 0 ) { abort( "pipe error: (%d) %s\n", (int)errno, strerror(errno) ); } |
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| 153 | } |
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| 154 | |
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[b57db73] | 155 | if(options.file_cache.path && options.file_cache.fixed_fds) { |
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[d11d6eb] | 156 | register_fixed_files(cl, fds, pipe_off); |
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| 157 | } |
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| 158 | |
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[0aec496] | 159 | { |
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[2ecbd7b] | 160 | ServerProc procs[options.clopts.nprocs]; |
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[153dc387] | 161 | StatsPrinter printer; |
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[ece0e80] | 162 | |
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| 163 | init_protocol(); |
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[0aec496] | 164 | { |
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[2ecbd7b] | 165 | Worker workers[options.clopts.nworkers]; |
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[d9c2284] | 166 | for(i; options.clopts.nworkers) { |
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[d11d6eb] | 167 | // if( options.file_cache.fixed_fds ) { |
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| 168 | // workers[i].pipe[0] = pipe_off + (i * 2) + 0; |
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| 169 | // workers[i].pipe[1] = pipe_off + (i * 2) + 1; |
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| 170 | // } |
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| 171 | // else |
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| 172 | { |
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[d9c2284] | 173 | workers[i].pipe[0] = fds[pipe_off + (i * 2) + 0]; |
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| 174 | workers[i].pipe[1] = fds[pipe_off + (i * 2) + 1]; |
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[8e3034d] | 175 | workers[i].sockfd = server_fd; |
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| 176 | workers[i].addr = (struct sockaddr *)&address; |
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| 177 | workers[i].addrlen = (socklen_t*)&addrlen; |
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| 178 | workers[i].flags = 0; |
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[d9c2284] | 179 | } |
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[e235429] | 180 | unpark( workers[i] ); |
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[d9c2284] | 181 | } |
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[8c43d05] | 182 | sout | options.clopts.nworkers | "workers started on" | options.clopts.nprocs | "processors"; |
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[0aec496] | 183 | { |
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[e95a117] | 184 | char buffer[128]; |
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[7223dbf2] | 185 | while(int ret = cfa_read(0, buffer, 128, 0, -1`s, 0p, 0p); ret != 0) { |
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[153dc387] | 186 | if(ret < 0) abort( "main read error: (%d) %s\n", (int)errno, strerror(errno) ); |
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[e95a117] | 187 | } |
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| 188 | |
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[8c43d05] | 189 | sout | "Shutdown received"; |
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[0aec496] | 190 | } |
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[ece0e80] | 191 | |
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[b57db73] | 192 | sout | "Notifying connections..." | nonl; flush( sout ); |
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[ece0e80] | 193 | for(i; options.clopts.nworkers) { |
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[481ee28] | 194 | workers[i].done = true; |
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[ece0e80] | 195 | cancel(workers[i].cancel); |
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| 196 | } |
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[b57db73] | 197 | sout | "done"; |
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[ece0e80] | 198 | |
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[b57db73] | 199 | sout | "Shutting down socket..." | nonl; flush( sout ); |
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[ece0e80] | 200 | int ret = shutdown( server_fd, SHUT_RD ); |
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[b57db73] | 201 | if( ret < 0 ) { |
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| 202 | abort( "shutdown error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 203 | } |
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| 204 | sout | "done"; |
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[ece0e80] | 205 | |
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| 206 | //=================== |
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| 207 | // Close Socket |
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[b57db73] | 208 | sout | "Closing Socket..." | nonl; flush( sout ); |
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[ece0e80] | 209 | ret = close( server_fd ); |
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| 210 | if(ret < 0) { |
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| 211 | abort( "close socket error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 212 | } |
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[0197418] | 213 | sout | "done"; |
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| 214 | |
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[b57db73] | 215 | sout | "Stopping connection threads..." | nonl; flush( sout ); |
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[0aec496] | 216 | } |
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[8c43d05] | 217 | sout | "done"; |
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[ece0e80] | 218 | |
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[b57db73] | 219 | sout | "Stopping protocol threads..." | nonl; flush( sout ); |
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[ece0e80] | 220 | deinit_protocol(); |
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[8c43d05] | 221 | sout | "done"; |
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| 222 | |
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[b57db73] | 223 | sout | "Stopping processors..." | nonl; flush( sout ); |
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[0aec496] | 224 | } |
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[8c43d05] | 225 | sout | "done"; |
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[d9c2284] | 226 | |
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[b57db73] | 227 | sout | "Closing splice fds..." | nonl; flush( sout ); |
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[d9c2284] | 228 | for(i; pipe_cnt) { |
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| 229 | ret = close( fds[pipe_off + i] ); |
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| 230 | if(ret < 0) { |
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| 231 | abort( "close pipe error: (%d) %s\n", (int)errno, strerror(errno) ); |
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| 232 | } |
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| 233 | } |
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| 234 | free(fds); |
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[8c43d05] | 235 | sout | "done"; |
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[c3ee5f3] | 236 | |
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[b57db73] | 237 | sout | "Stopping processors..." | nonl; flush( sout ); |
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[0aec496] | 238 | } |
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[8c43d05] | 239 | sout | "done"; |
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[0aec496] | 240 | |
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| 241 | //=================== |
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| 242 | // Close Files |
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[b57db73] | 243 | if( options.file_cache.path ) { |
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| 244 | sout | "Closing open files..." | nonl; flush( sout ); |
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| 245 | close_cache(); |
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| 246 | sout | "done"; |
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| 247 | } |
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[0aec496] | 248 | } |
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