mdw@git.distorted.org.uk Git - disorder/blob - clients/test-eclient.c

   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 */