| 1 | #include "worker.hfa"
|
|---|
| 2 |
|
|---|
| 3 | #include <errno.h>
|
|---|
| 4 | #include <stdio.h>
|
|---|
| 5 | #include <string.h>
|
|---|
| 6 | #include <unistd.h>
|
|---|
| 7 |
|
|---|
| 8 | #include <fstream.hfa>
|
|---|
| 9 | #include <iofwd.hfa>
|
|---|
| 10 |
|
|---|
| 11 | #include "options.hfa"
|
|---|
| 12 | #include "protocol.hfa"
|
|---|
| 13 | #include "filecache.hfa"
|
|---|
| 14 |
|
|---|
| 15 | //=============================================================================================
|
|---|
| 16 | // Worker Thread
|
|---|
| 17 | //=============================================================================================
|
|---|
| 18 | void ?{}( Worker & this ) {
|
|---|
| 19 | size_t cli = rand() % options.clopts.cltr_cnt;
|
|---|
| 20 | ((thread&)this){ "Server Worker Thread", *options.clopts.instance[cli], 64000 };
|
|---|
| 21 | options.clopts.thrd_cnt[cli]++;
|
|---|
| 22 | this.pipe[0] = -1;
|
|---|
| 23 | this.pipe[1] = -1;
|
|---|
| 24 | this.done = false;
|
|---|
| 25 |
|
|---|
| 26 | this.stats.sendfile.calls = 0;
|
|---|
| 27 | this.stats.sendfile.tries = 0;
|
|---|
| 28 | this.stats.sendfile.header = 0;
|
|---|
| 29 | this.stats.sendfile.splcin = 0;
|
|---|
| 30 | this.stats.sendfile.splcot = 0;
|
|---|
| 31 | for(i; zipf_cnts) {
|
|---|
| 32 | this.stats.sendfile.avgrd[i].calls = 0;
|
|---|
| 33 | this.stats.sendfile.avgrd[i].bytes = 0;
|
|---|
| 34 | }
|
|---|
| 35 | }
|
|---|
| 36 |
|
|---|
| 37 | extern "C" {
|
|---|
| 38 | extern int accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags);
|
|---|
| 39 | }
|
|---|
| 40 |
|
|---|
| 41 | void main( Worker & this ) {
|
|---|
| 42 | park();
|
|---|
| 43 | /* paranoid */ assert( this.pipe[0] != -1 );
|
|---|
| 44 | /* paranoid */ assert( this.pipe[1] != -1 );
|
|---|
| 45 |
|
|---|
| 46 | const bool reuse = options.socket.manyreuse;
|
|---|
| 47 |
|
|---|
| 48 | CONNECTION:
|
|---|
| 49 | for() {
|
|---|
| 50 | if( options.log ) sout | "=== Accepting connection ===";
|
|---|
| 51 | int fd = cfa_accept4( this.[sockfd, addr, addrlen, flags], CFA_IO_LAZY );
|
|---|
| 52 | if(fd < 0) {
|
|---|
| 53 | if( errno == ECONNABORTED ) break;
|
|---|
| 54 | if( this.done && (errno == EINVAL || errno == EBADF) ) break;
|
|---|
| 55 | abort( "accept error: (%d) %s\n", (int)errno, strerror(errno) );
|
|---|
| 56 | }
|
|---|
| 57 | if(this.done) break;
|
|---|
| 58 |
|
|---|
| 59 | if( options.log ) sout | "=== New connection" | fd | "" | ", waiting for requests ===";
|
|---|
| 60 | REQUEST:
|
|---|
| 61 | for() {
|
|---|
| 62 | bool closed;
|
|---|
| 63 | HttpCode code;
|
|---|
| 64 | const char * file;
|
|---|
| 65 | size_t name_size;
|
|---|
| 66 |
|
|---|
| 67 | // Read the http request
|
|---|
| 68 | size_t len = options.socket.buflen;
|
|---|
| 69 | char buffer[len];
|
|---|
| 70 | if( options.log ) sout | "=== Reading request ===";
|
|---|
| 71 | [code, closed, file, name_size] = http_read(fd, buffer, len);
|
|---|
| 72 |
|
|---|
| 73 | // if we are done, break out of the loop
|
|---|
| 74 | if( closed ) break REQUEST;
|
|---|
| 75 |
|
|---|
| 76 | // If this wasn't a request retrun 400
|
|---|
| 77 | if( code != OK200 ) {
|
|---|
| 78 | sout | "=== Invalid Request :" | code_val(code) | "===";
|
|---|
| 79 | answer_error(fd, code);
|
|---|
| 80 | continue REQUEST;
|
|---|
| 81 | }
|
|---|
| 82 |
|
|---|
| 83 | if(0 == strncmp(file, "plaintext", min(name_size, sizeof("plaintext") ))) {
|
|---|
| 84 | if( options.log ) sout | "=== Request for /plaintext ===";
|
|---|
| 85 |
|
|---|
| 86 | int ret = answer_plaintext(fd);
|
|---|
| 87 | if( ret == -ECONNRESET ) break REQUEST;
|
|---|
| 88 |
|
|---|
| 89 | if( options.log ) sout | "=== Answer sent ===";
|
|---|
| 90 | continue REQUEST;
|
|---|
| 91 | }
|
|---|
| 92 |
|
|---|
| 93 | if(0 == strncmp(file, "ping", min(name_size, sizeof("ping") ))) {
|
|---|
| 94 | if( options.log ) sout | "=== Request for /ping ===";
|
|---|
| 95 |
|
|---|
| 96 | // Send the header
|
|---|
| 97 | int ret = answer_empty(fd);
|
|---|
| 98 | if( ret == -ECONNRESET ) break REQUEST;
|
|---|
| 99 |
|
|---|
| 100 | if( options.log ) sout | "=== Answer sent ===";
|
|---|
| 101 | continue REQUEST;
|
|---|
| 102 | }
|
|---|
| 103 |
|
|---|
| 104 | if( options.log ) {
|
|---|
| 105 | sout | "=== Request for file " | nonl;
|
|---|
| 106 | write(sout, file, name_size);
|
|---|
| 107 | sout | " ===";
|
|---|
| 108 | }
|
|---|
| 109 |
|
|---|
| 110 | if( !options.file_cache.path ) {
|
|---|
| 111 | if( options.log ) {
|
|---|
| 112 | sout | "=== File Not Found (" | nonl;
|
|---|
| 113 | write(sout, file, name_size);
|
|---|
| 114 | sout | ") ===";
|
|---|
| 115 | }
|
|---|
| 116 | answer_error(fd, E405);
|
|---|
| 117 | continue REQUEST;
|
|---|
| 118 | }
|
|---|
| 119 |
|
|---|
| 120 | // Get the fd from the file cache
|
|---|
| 121 | int ans_fd;
|
|---|
| 122 | size_t count;
|
|---|
| 123 | [ans_fd, count] = get_file( file, name_size );
|
|---|
| 124 |
|
|---|
| 125 | // If we can't find the file, return 404
|
|---|
| 126 | if( ans_fd < 0 ) {
|
|---|
| 127 | if( options.log ) {
|
|---|
| 128 | sout | "=== File Not Found (" | nonl;
|
|---|
| 129 | write(sout, file, name_size);
|
|---|
| 130 | sout | ") ===";
|
|---|
| 131 | }
|
|---|
| 132 | answer_error(fd, E404);
|
|---|
| 133 | continue REQUEST;
|
|---|
| 134 | }
|
|---|
| 135 |
|
|---|
| 136 | // Send the desired file
|
|---|
| 137 | int ret = answer_sendfile( this.pipe, fd, ans_fd, count, this.stats.sendfile );
|
|---|
| 138 | if( ret == -ECONNRESET ) break REQUEST;
|
|---|
| 139 |
|
|---|
| 140 | if( options.log ) sout | "=== Answer sent ===";
|
|---|
| 141 | }
|
|---|
| 142 |
|
|---|
| 143 | if( options.log ) sout | "=== Connection closed ===";
|
|---|
| 144 | continue CONNECTION;
|
|---|
| 145 | }
|
|---|
| 146 | }
|
|---|
