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