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 <config.h>
  22 #include "types.h"
  23
  24 #include <sys/select.h>
  25 #include <stdio.h>
  26 #include <assert.h>
  27 #include <errno.h>
  28 #include <stdlib.h>
  29 #include <time.h>
  30
  31 #include "queue.h"
  32 #include "mem.h"
  33 #include "log.h"
  34 #include "eclient.h"
  35 #include "configuration.h"
  36 #include "syscalls.h"
  37 #include "wstat.h"
  38 #include "charset.h"
  39
  40 /* TODO: a more comprehensive test */
  41
  42 static fd_set rfd, wfd;
  43 static int maxfd;
  44 static disorder_eclient *clients[1024];
  45 static char **tracks;
  46 static disorder_eclient *c;
  47 static char u_value;
  48 static int quit;
  49
  50 static const char *modes[] = { "none", "read", "write", "read write" };
  51
  52 static void cb_comms_error(void *u, const char *msg) {
  53   assert(u == &u_value);
  54   fprintf(stderr, "! comms error: %s\n", msg);
  55 }
  56
  57 static void cb_protocol_error(void *u,
  58                               void attribute((unused)) *v,
  59                               int attribute((unused)) code,
  60                               const char *msg) {
  61   assert(u == &u_value);
  62   fprintf(stderr, "! protocol error: %s\n", msg);
  63 }
  64
  65 static void cb_poll(void *u, disorder_eclient *c_, int fd, unsigned mode) {
  66   assert(u == &u_value);
  67   assert(fd >= 0);
  68   assert(fd < 1024);                    /* bodge */
  69   fprintf(stderr, "  poll callback %d %s\n", fd, modes[mode]);
  70   if(mode & DISORDER_POLL_READ)
  71     FD_SET(fd, &rfd);
  72   else
  73     FD_CLR(fd, &rfd);
  74   if(mode & DISORDER_POLL_WRITE)
  75     FD_SET(fd, &wfd);
  76   else
  77     FD_CLR(fd, &wfd);
  78   clients[fd] = mode ? c_ : 0;
  79   if(fd > maxfd) maxfd = fd;
  80 }
  81
  82 static void cb_report(void attribute((unused)) *u,
  83                       const char attribute((unused)) *msg) {
  84 }
  85
  86 static const disorder_eclient_callbacks callbacks = {
  87   cb_comms_error,
  88   cb_protocol_error,
  89   cb_poll,
  90   cb_report
  91 };
  92
  93 /* cheap plastic event loop */
  94 static void loop(void) {
  95   int n;
  96
  97   while(!quit) {
  98     fd_set r = rfd, w = wfd;
  99     n = select(maxfd + 1, &r, &w, 0, 0);
 100     if(n < 0) {
 101       if(errno == EINTR) continue;
 102       fatal(errno, "select");
 103     }
 104     for(n = 0; n <= maxfd; ++n)
 105       if(clients[n] && (FD_ISSET(n, &r) || FD_ISSET(n, &w)))
 106         disorder_eclient_polled(clients[n],
 107                                 ((FD_ISSET(n, &r) ? DISORDER_POLL_READ : 0)
 108                                  |(FD_ISSET(n, &w) ? DISORDER_POLL_WRITE : 0)));
 109   }
 110   printf(". quit\n");
 111 }
 112
 113 static void done(void) {
 114   printf(". done\n");
 115   disorder_eclient_close(c);
 116   quit = 1;
 117 }
 118
 119 static void play_completed(void *v) {
 120   assert(v == tracks);
 121   printf("* played: %s\n", *tracks);
 122   ++tracks;
 123   if(*tracks) {
 124     if(disorder_eclient_play(c, *tracks, play_completed, tracks))
 125       exit(1);
 126   } else
 127     done();
 128 }
 129
 130 static void version_completed(void *v, const char *value) {
 131   printf("* version: %s\n", value);
 132   if(v) {
 133     if(*tracks) {
 134       if(disorder_eclient_play(c, *tracks, play_completed, tracks))
 135         exit(1);
 136     } else
 137       done();
 138   }
 139 }
 140
 141 /* TODO: de-dupe with disorder.c */
 142 static void print_queue_entry(const struct queue_entry *q) {
 143   if(q->track) xprintf("track %s\n", nullcheck(utf82mb(q->track)));
 144   if(q->id) xprintf("  id %s\n", nullcheck(utf82mb(q->id)));
 145   if(q->submitter) xprintf("  submitted by %s at %s",
 146                            nullcheck(utf82mb(q->submitter)), ctime(&q->when));
 147   if(q->played) xprintf("  played at %s", ctime(&q->played));
 148   if(q->state == playing_started
 149      || q->state == playing_paused) xprintf("  %lds so far",  q->sofar);
 150   else if(q->expected) xprintf("  might start at %s", ctime(&q->expected));
 151   if(q->scratched) xprintf("  scratched by %s\n",
 152                            nullcheck(utf82mb(q->scratched)));
 153   else xprintf("  %s\n", playing_states[q->state]);
 154   if(q->wstat) xprintf("  %s\n", wstat(q->wstat));
 155 }
 156
 157 static void recent_completed(void *v, struct queue_entry *q) {
 158   assert(v == 0);
 159   for(; q; q = q->next)
 160     print_queue_entry(q);
 161   if(disorder_eclient_version(c, version_completed, (void *)"")) exit(1);
 162 }
 163
 164 int main(int argc, char **argv) {
 165   assert(argc > 0);
 166   mem_init(1);
 167   debugging = 0;                        /* turn on for even more verbosity */
 168   if(config_read()) fatal(0, "config_read failed");
 169   tracks = &argv[1];
 170   c = disorder_eclient_new(&callbacks, &u_value);
 171   assert(c != 0);
 172   /* stack up several version commands to test pipelining */
 173   if(disorder_eclient_version(c, version_completed, 0)) exit(1);
 174   if(disorder_eclient_version(c, version_completed, 0)) exit(1);
 175   if(disorder_eclient_version(c, version_completed, 0)) exit(1);
 176   if(disorder_eclient_version(c, version_completed, 0)) exit(1);
 177   if(disorder_eclient_version(c, version_completed, 0)) exit(1);
 178   if(disorder_eclient_recent(c, recent_completed, 0)) exit(1);
 179   loop();
 180   exit(0);
 181 }
 182
 183 /*
 184 Local Variables:
 185 c-basic-offset:2
 186 comment-column:40
 187 End:
 188 */