| 1 | #include "worker.hfa"
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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 |
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| 8 | #include <fstream.hfa>
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| 9 | #include <iofwd.hfa>
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| 10 |
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| 11 | #include "options.hfa"
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| 12 | #include "protocol.hfa"
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| 13 | #include "filecache.hfa"
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| 14 |
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| 15 | //=============================================================================================
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| 16 | // Worker Thread
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| 17 | //=============================================================================================
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| 18 | void ?{}( Worker & this ) {
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| 19 | size_t cli = rand() % options.clopts.cltr_cnt;
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| 20 | ((thread&)this){ "Server Worker Thread", *options.clopts.instance[cli], 64000 };
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| 21 | options.clopts.thrd_cnt[cli]++;
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| 22 | this.pipe[0] = -1;
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| 23 | this.pipe[1] = -1;
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| 24 | this.done = false;
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| 25 |
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| 26 | this.stats.sendfile.calls = 0;
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| 27 | this.stats.sendfile.tries = 0;
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| 28 | this.stats.sendfile.header = 0;
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| 29 | this.stats.sendfile.splcin = 0;
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| 30 | this.stats.sendfile.splcot = 0;
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| 31 | for(i; zipf_cnts) {
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| 32 | this.stats.sendfile.avgrd[i].calls = 0;
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| 33 | this.stats.sendfile.avgrd[i].bytes = 0;
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| 34 | }
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| 35 | }
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| 36 |
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| 37 | extern "C" {
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| 38 | extern int accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags);
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| 39 | }
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| 40 |
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| 41 | void main( Worker & this ) {
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| 42 | park();
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| 43 | /* paranoid */ assert( this.pipe[0] != -1 );
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| 44 | /* paranoid */ assert( this.pipe[1] != -1 );
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| 45 |
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| 46 | CONNECTION:
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| 47 | for() {
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| 48 | if( options.log ) sout | "=== Accepting connection ===";
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| 49 | int fd = cfa_accept4( this.[sockfd, addr, addrlen, flags], CFA_IO_LAZY );
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| 50 | if(fd < 0) {
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| 51 | if( errno == ECONNABORTED ) break;
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| 52 | if( this.done && (errno == EINVAL || errno == EBADF) ) break;
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| 53 | abort( "accept error: (%d) %s\n", (int)errno, strerror(errno) );
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| 54 | }
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| 55 | if(this.done) break;
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| 56 |
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| 57 | if( options.log ) sout | "=== New connection" | fd | "" | ", waiting for requests ===";
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| 58 | REQUEST:
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| 59 | for() {
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| 60 | bool closed;
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| 61 | HttpCode code;
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| 62 | const char * file;
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| 63 | size_t name_size;
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| 64 |
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| 65 | // Read the http request
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| 66 | size_t len = options.socket.buflen;
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| 67 | char buffer[len];
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| 68 | if( options.log ) sout | "=== Reading request ===";
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| 69 | [code, closed, file, name_size] = http_read(fd, buffer, len);
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| 70 |
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| 71 | // if we are done, break out of the loop
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| 72 | if( closed ) break REQUEST;
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| 73 |
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| 74 | // If this wasn't a request retrun 400
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| 75 | if( code != OK200 ) {
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| 76 | sout | "=== Invalid Request :" | code_val(code) | "===";
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| 77 | answer_error(fd, code);
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| 78 | continue REQUEST;
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| 79 | }
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| 80 |
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| 81 | if(0 == strncmp(file, "plaintext", min(name_size, sizeof("plaintext") ))) {
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| 82 | if( options.log ) sout | "=== Request for /plaintext ===";
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| 83 |
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| 84 | int ret = answer_plaintext(fd);
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| 85 | if( ret == -ECONNRESET ) break REQUEST;
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| 86 |
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| 87 | if( options.log ) sout | "=== Answer sent ===";
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| 88 | continue REQUEST;
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| 89 | }
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| 90 |
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| 91 | if(0 == strncmp(file, "ping", min(name_size, sizeof("ping") ))) {
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| 92 | if( options.log ) sout | "=== Request for /ping ===";
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| 93 |
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| 94 | // Send the header
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| 95 | int ret = answer_empty(fd);
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| 96 | if( ret == -ECONNRESET ) break REQUEST;
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| 97 |
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| 98 | if( options.log ) sout | "=== Answer sent ===";
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| 99 | continue REQUEST;
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| 100 | }
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| 101 |
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| 102 | if( options.log ) {
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| 103 | sout | "=== Request for file " | nonl;
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| 104 | write(sout, file, name_size);
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| 105 | sout | " ===";
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| 106 | }
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| 107 |
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| 108 | if( !options.file_cache.path ) {
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| 109 | if( options.log ) {
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| 110 | sout | "=== File Not Found (" | nonl;
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| 111 | write(sout, file, name_size);
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| 112 | sout | ") ===";
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| 113 | }
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| 114 | answer_error(fd, E405);
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| 115 | continue REQUEST;
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| 116 | }
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| 117 |
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| 118 | // Get the fd from the file cache
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| 119 | int ans_fd;
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| 120 | size_t count;
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| 121 | [ans_fd, count] = get_file( file, name_size );
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| 122 |
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| 123 | // If we can't find the file, return 404
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| 124 | if( ans_fd < 0 ) {
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| 125 | if( options.log ) {
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| 126 | sout | "=== File Not Found (" | nonl;
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| 127 | write(sout, file, name_size);
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| 128 | sout | ") ===";
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| 129 | }
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| 130 | answer_error(fd, E404);
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| 131 | continue REQUEST;
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| 132 | }
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| 133 |
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| 134 | // Send the desired file
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| 135 | int ret = answer_sendfile( this.pipe, fd, ans_fd, count, this.stats.sendfile );
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| 136 | if( ret == -ECONNRESET ) break REQUEST;
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| 137 |
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| 138 | if( options.log ) sout | "=== Answer sent ===";
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| 139 | }
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| 140 |
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| 141 | if( options.log ) sout | "=== Connection closed ===";
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| 142 | continue CONNECTION;
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| 143 | }
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| 144 | }
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