| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2006 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | |
| 21 | #include "common.h" |
| 22 | |
| 23 | #include <sys/select.h> |
| 24 | #include <errno.h> |
| 25 | #include <time.h> |
| 26 | |
| 27 | #include "queue.h" |
| 28 | #include "mem.h" |
| 29 | #include "log.h" |
| 30 | #include "eclient.h" |
| 31 | #include "configuration.h" |
| 32 | #include "syscalls.h" |
| 33 | #include "wstat.h" |
| 34 | #include "charset.h" |
| 35 | |
| 36 | /* TODO: a more comprehensive test */ |
| 37 | |
| 38 | static fd_set rfd, wfd; |
| 39 | static int maxfd; |
| 40 | static disorder_eclient *clients[1024]; |
| 41 | static char **tracks; |
| 42 | static disorder_eclient *c; |
| 43 | static char u_value; |
| 44 | static int quit; |
| 45 | |
| 46 | static const char *modes[] = { "none", "read", "write", "read write" }; |
| 47 | |
| 48 | static void cb_comms_error(void *u, const char *msg) { |
| 49 | assert(u == &u_value); |
| 50 | fprintf(stderr, "! comms error: %s\n", msg); |
| 51 | } |
| 52 | |
| 53 | static void cb_protocol_error(void *u, |
| 54 | void attribute((unused)) *v, |
| 55 | int attribute((unused)) code, |
| 56 | const char *msg) { |
| 57 | assert(u == &u_value); |
| 58 | fprintf(stderr, "! protocol error: %s\n", msg); |
| 59 | } |
| 60 | |
| 61 | static void cb_poll(void *u, disorder_eclient *c_, int fd, unsigned mode) { |
| 62 | assert(u == &u_value); |
| 63 | assert(fd >= 0); |
| 64 | assert(fd < 1024); /* bodge */ |
| 65 | fprintf(stderr, " poll callback %d %s\n", fd, modes[mode]); |
| 66 | if(mode & DISORDER_POLL_READ) |
| 67 | FD_SET(fd, &rfd); |
| 68 | else |
| 69 | FD_CLR(fd, &rfd); |
| 70 | if(mode & DISORDER_POLL_WRITE) |
| 71 | FD_SET(fd, &wfd); |
| 72 | else |
| 73 | FD_CLR(fd, &wfd); |
| 74 | clients[fd] = mode ? c_ : 0; |
| 75 | if(fd > maxfd) maxfd = fd; |
| 76 | } |
| 77 | |
| 78 | static void cb_report(void attribute((unused)) *u, |
| 79 | const char attribute((unused)) *msg) { |
| 80 | } |
| 81 | |
| 82 | static const disorder_eclient_callbacks callbacks = { |
| 83 | cb_comms_error, |
| 84 | cb_protocol_error, |
| 85 | cb_poll, |
| 86 | cb_report |
| 87 | }; |
| 88 | |
| 89 | /* cheap plastic event loop */ |
| 90 | static void loop(void) { |
| 91 | int n; |
| 92 | |
| 93 | while(!quit) { |
| 94 | fd_set r = rfd, w = wfd; |
| 95 | n = select(maxfd + 1, &r, &w, 0, 0); |
| 96 | if(n < 0) { |
| 97 | if(errno == EINTR) continue; |
| 98 | fatal(errno, "select"); |
| 99 | } |
| 100 | for(n = 0; n <= maxfd; ++n) |
| 101 | if(clients[n] && (FD_ISSET(n, &r) || FD_ISSET(n, &w))) |
| 102 | disorder_eclient_polled(clients[n], |
| 103 | ((FD_ISSET(n, &r) ? DISORDER_POLL_READ : 0) |
| 104 | |(FD_ISSET(n, &w) ? DISORDER_POLL_WRITE : 0))); |
| 105 | } |
| 106 | printf(". quit\n"); |
| 107 | } |
| 108 | |
| 109 | static void done(void) { |
| 110 | printf(". done\n"); |
| 111 | disorder_eclient_close(c); |
| 112 | quit = 1; |
| 113 | } |
| 114 | |
| 115 | static void play_completed(void *v) { |
| 116 | assert(v == tracks); |
| 117 | printf("* played: %s\n", *tracks); |
| 118 | ++tracks; |
| 119 | if(*tracks) { |
| 120 | if(disorder_eclient_play(c, *tracks, play_completed, tracks)) |
| 121 | exit(1); |
| 122 | } else |
| 123 | done(); |
| 124 | } |
| 125 | |
| 126 | static void version_completed(void *v, const char *value) { |
| 127 | printf("* version: %s\n", value); |
| 128 | if(v) { |
| 129 | if(*tracks) { |
| 130 | if(disorder_eclient_play(c, *tracks, play_completed, tracks)) |
| 131 | exit(1); |
| 132 | } else |
| 133 | done(); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | /* TODO: de-dupe with disorder.c */ |
| 138 | static void print_queue_entry(const struct queue_entry *q) { |
| 139 | if(q->track) xprintf("track %s\n", nullcheck(utf82mb(q->track))); |
| 140 | if(q->id) xprintf(" id %s\n", nullcheck(utf82mb(q->id))); |
| 141 | if(q->submitter) xprintf(" submitted by %s at %s", |
| 142 | nullcheck(utf82mb(q->submitter)), ctime(&q->when)); |
| 143 | if(q->played) xprintf(" played at %s", ctime(&q->played)); |
| 144 | if(q->state == playing_started |
| 145 | || q->state == playing_paused) xprintf(" %lds so far", q->sofar); |
| 146 | else if(q->expected) xprintf(" might start at %s", ctime(&q->expected)); |
| 147 | if(q->scratched) xprintf(" scratched by %s\n", |
| 148 | nullcheck(utf82mb(q->scratched))); |
| 149 | else xprintf(" %s\n", playing_states[q->state]); |
| 150 | if(q->wstat) xprintf(" %s\n", wstat(q->wstat)); |
| 151 | } |
| 152 | |
| 153 | static void recent_completed(void *v, struct queue_entry *q) { |
| 154 | assert(v == 0); |
| 155 | for(; q; q = q->next) |
| 156 | print_queue_entry(q); |
| 157 | if(disorder_eclient_version(c, version_completed, (void *)"")) exit(1); |
| 158 | } |
| 159 | |
| 160 | int main(int argc, char **argv) { |
| 161 | assert(argc > 0); |
| 162 | mem_init(); |
| 163 | debugging = 0; /* turn on for even more verbosity */ |
| 164 | if(config_read(0)) fatal(0, "config_read failed"); |
| 165 | tracks = &argv[1]; |
| 166 | c = disorder_eclient_new(&callbacks, &u_value); |
| 167 | assert(c != 0); |
| 168 | /* stack up several version commands to test pipelining */ |
| 169 | if(disorder_eclient_version(c, version_completed, 0)) exit(1); |
| 170 | if(disorder_eclient_version(c, version_completed, 0)) exit(1); |
| 171 | if(disorder_eclient_version(c, version_completed, 0)) exit(1); |
| 172 | if(disorder_eclient_version(c, version_completed, 0)) exit(1); |
| 173 | if(disorder_eclient_version(c, version_completed, 0)) exit(1); |
| 174 | if(disorder_eclient_recent(c, recent_completed, 0)) exit(1); |
| 175 | loop(); |
| 176 | exit(0); |
| 177 | } |
| 178 | |
| 179 | /* |
| 180 | Local Variables: |
| 181 | c-basic-offset:2 |
| 182 | comment-column:40 |
| 183 | End: |
| 184 | */ |