Consistency check for finished tracks.

[disorder] / server / speaker.c

diff --git a/server/speaker.c b/server/speaker.c
index b41c94f844d8f9cee721c6d959c174ddc09ddda5..a8524b4e607864ef66e69de313e1502ab2540b12 100644 (file)
--- a/server/speaker.c
+++ b/server/speaker.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder
 /*
  * This file is part of DisOrder

- * Copyright (C) 2005-2009 Richard Kettlewell
+ * Copyright (C) 2005-2010 Richard Kettlewell

  * Portions (C) 2007 Mark Wooding
  *
  * This program is free software: you can redistribute it and/or modify
  * Portions (C) 2007 Mark Wooding
  *
  * This program is free software: you can redistribute it and/or modify


@@ -37,7 +37,7 @@
  *
  * Audio is supplied from this buffer to the uaudio play callback.  Playback is
  * enabled when a track is to be played and disabled when the its last bytes
  *
  * Audio is supplied from this buffer to the uaudio play callback.  Playback is
  * enabled when a track is to be played and disabled when the its last bytes

- * have been return by the callback; pause and resume is implemneted the
+ * have been returned by the callback; pause and resume is implemented the

  * obvious way.  If the callback finds itself required to play when there is no
  * playing track it returns dead air.
  *
  * obvious way.  If the callback finds itself required to play when there is no
  * playing track it returns dead air.
  *


@@ -75,7 +75,6 @@
 #include <syslog.h>
 #include <unistd.h>
 #include <errno.h>
 #include <syslog.h>
 #include <unistd.h>
 #include <errno.h>

-#include <ao/ao.h>

 #include <sys/select.h>
 #include <sys/wait.h>
 #include <time.h>
 #include <sys/select.h>
 #include <sys/wait.h>
 #include <time.h>


@@ -117,7 +116,7 @@ struct track {
   struct track *next;
 
   /** @brief Input file descriptor */
   struct track *next;
 
   /** @brief Input file descriptor */

-  int fd;                               /* input FD */
+  int fd;

 
   /** @brief Track ID */
   char id[24];
 
   /** @brief Track ID */
   char id[24];


@@ -173,26 +172,37 @@ struct track {
  */
 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
 
  */
 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
 

-/** @brief Linked list of all prepared tracks */
+/** @brief Linked list of all prepared tracks
+ *
+ * This includes @ref playing and @ref pending_playing.
+ */

 static struct track *tracks;
 
 /** @brief Playing track, or NULL
  *
  * This means the track the speaker process intends to play.  It does not
  * reflect any other state (e.g. activation of uaudio backend).
 static struct track *tracks;
 
 /** @brief Playing track, or NULL
  *
  * This means the track the speaker process intends to play.  It does not
  * reflect any other state (e.g. activation of uaudio backend).

+ *
+ * This track remains on @ref track.

  */
 static struct track *playing;
 
 /** @brief Pending playing track, or NULL
  *
  * This means the track the server wants the speaker to play.
  */
 static struct track *playing;
 
 /** @brief Pending playing track, or NULL
  *
  * This means the track the server wants the speaker to play.

+ *
+ * This track remains on @p track.

  */
 static struct track *pending_playing;
 
 /** @brief Array of file descriptors for poll() */
 static struct pollfd fds[NFDS];
 
  */
 static struct track *pending_playing;
 
 /** @brief Array of file descriptors for poll() */
 static struct pollfd fds[NFDS];
 

-/** @brief Next free slot in @ref fds */
+/** @brief Next free slot in @ref fds
+ *
+ * This is used when filling in the @ref fds array each iteration through the
+ * event loop.
+ */

 static int fdno;
 
 /** @brief Listen socket */
 static int fdno;
 
 /** @brief Listen socket */


@@ -243,7 +253,7 @@ static void help(void) {
 
 /** @brief Find track @p id, maybe creating it if not found
  * @param id Track ID to find
 
 /** @brief Find track @p id, maybe creating it if not found
  * @param id Track ID to find

- * @param create If nonzero, create track structure of @p id not found
+ * @param create If nonzero, create track structure of @p id if not found

  * @return Pointer to track structure or NULL
  */
 static struct track *findtrack(const char *id, int create) {
  * @return Pointer to track structure or NULL
  */
 static struct track *findtrack(const char *id, int create) {


@@ -294,6 +304,8 @@ static void destroy(struct track *t) {
  * This is effectively the read callback on @c t->fd.  It is called from the
  * main loop whenever the track's file descriptor is readable, assuming the
  * buffer has not reached the maximum allowed occupancy.
  * This is effectively the read callback on @c t->fd.  It is called from the
  * main loop whenever the track's file descriptor is readable, assuming the
  * buffer has not reached the maximum allowed occupancy.

+ *
+ * Errors count as EOF.

  */
 static int speaker_fill(struct track *t) {
   size_t where, left;
  */
 static int speaker_fill(struct track *t) {
   size_t where, left;


@@ -316,12 +328,16 @@ static int speaker_fill(struct track *t) {
       n = read(t->fd, t->buffer + where, left);
     } while(n < 0 && errno == EINTR);
     pthread_mutex_lock(&lock);
       n = read(t->fd, t->buffer + where, left);
     } while(n < 0 && errno == EINTR);
     pthread_mutex_lock(&lock);

-    if(n < 0) {
-      if(errno != EAGAIN)
-        fatal(errno, "error reading sample stream");
+    if(n < 0 && errno == EAGAIN) {
+      /* EAGAIN means more later */

       rc = 0;
       rc = 0;

-    } else if(n == 0) {
-      D(("fill %s: eof detected", t->id));
+    } else if(n <= 0) {
+      /* n=0 means EOF.  n<0 means some error occurred.  We log the error but
+       * otherwise treat it as identical to EOF. */
+      if(n < 0)
+        disorder_error(errno, "error reading sample stream for %s", t->id);
+      else
+        D(("fill %s: eof detected", t->id));

       t->eof = 1;
       /* A track always becomes playable at EOF; we're not going to see any
        * more data. */
       t->eof = 1;
       /* A track always becomes playable at EOF; we're not going to see any
        * more data. */


@@ -336,7 +352,8 @@ static int speaker_fill(struct track *t) {
         t->playable = 1;
       rc = 0;
     }
         t->playable = 1;
       rc = 0;
     }

-  }
+  } else
+    rc = 0;

   return rc;
 }
 
   return rc;
 }
 


@@ -348,7 +365,9 @@ static int speaker_fill(struct track *t) {
  * We don't allow tracks to be paused if we've already told the server we've
  * finished them; that would cause such tracks to survive much longer than the
  * few samples they're supposed to, with report() remaining silent for the
  * We don't allow tracks to be paused if we've already told the server we've
  * finished them; that would cause such tracks to survive much longer than the
  * few samples they're supposed to, with report() remaining silent for the

- * duration.
+ * duration.  The effect is that if you hit pause towards the end of a track,
+ * what should happen is that it finished but the next one is paused right at
+ * its start.

  */
 static int playable(void) {
   return playing
  */
 static int playable(void) {
   return playing


@@ -370,7 +389,7 @@ static void report(void) {
     strcpy(sm.id, playing->id);
     sm.data = playing->played / (uaudio_rate * uaudio_channels);
     speaker_send(1, &sm);
     strcpy(sm.id, playing->id);
     sm.data = playing->played / (uaudio_rate * uaudio_channels);
     speaker_send(1, &sm);

-    time(&last_report);
+    xtime(&last_report);

   }
 }
 
   }
 }
 


@@ -425,9 +444,12 @@ static size_t speaker_callback(void *buffer,
       /* Wrap around to start of buffer */
       if(playing->start == sizeof playing->buffer)
         playing->start = 0;
       /* Wrap around to start of buffer */
       if(playing->start == sizeof playing->buffer)
         playing->start = 0;

-      /* See if we've reached the end of the track */
-      if(playing->used == 0 && playing->eof)
-        write(sigpipe[1], "", 1);
+      /* See if we've reached the end of the track; if so make sure the event
+       * loop wakes up. */
+      if(playing->used == 0 && playing->eof) {
+        int ignored = write(sigpipe[1], "", 1);
+        (void) ignored;
+      }

       provided_samples = bytes / uaudio_sample_size;
       playing->played += provided_samples;
     }
       provided_samples = bytes / uaudio_sample_size;
       playing->played += provided_samples;
     }


@@ -438,9 +460,10 @@ static size_t speaker_callback(void *buffer,
     memset(buffer, 0, max_bytes);
     provided_samples = max_samples;
     if(playing)
     memset(buffer, 0, max_bytes);
     provided_samples = max_samples;
     if(playing)

-      info("%zu samples silence, playing->used=%zu", provided_samples, playing->used);
+      disorder_info("%zu samples silence, playing->used=%zu",
+                    provided_samples, playing->used);

     else
     else

-      info("%zu samples silence, playing=NULL", provided_samples);
+      disorder_info("%zu samples silence, playing=NULL", provided_samples);

   }
   pthread_mutex_unlock(&lock);
   return provided_samples;
   }
   pthread_mutex_unlock(&lock);
   return provided_samples;


@@ -452,8 +475,8 @@ static void mainloop(void) {
   struct speaker_message sm;
   int n, fd, stdin_slot, timeout, listen_slot, sigpipe_slot;
 
   struct speaker_message sm;
   int n, fd, stdin_slot, timeout, listen_slot, sigpipe_slot;
 

-  /* Keep going while our parent process is alive */

   pthread_mutex_lock(&lock);
   pthread_mutex_lock(&lock);

+  /* Keep going while our parent process is alive */

   while(getppid() != 1) {
     int force_report = 0;
 
   while(getppid() != 1) {
     int force_report = 0;
 


@@ -474,6 +497,8 @@ static void mainloop(void) {
       playing->slot = addfd(playing->fd, POLLIN);
     else if(playing)
       playing->slot = -1;
       playing->slot = addfd(playing->fd, POLLIN);
     else if(playing)
       playing->slot = -1;

+    /* Allow the poll() to be interrupted at the end of a track */
+    sigpipe_slot = addfd(sigpipe[0], POLLIN);

     /* If any other tracks don't have a full buffer, try to read sample data
      * from them.  We do this last of all, so that if we run out of slots,
      * nothing important can't be monitored. */
     /* If any other tracks don't have a full buffer, try to read sample data
      * from them.  We do this last of all, so that if we run out of slots,
      * nothing important can't be monitored. */


@@ -486,14 +511,13 @@ static void mainloop(void) {
         } else
           t->slot = -1;
       }
         } else
           t->slot = -1;
       }

-    sigpipe_slot = addfd(sigpipe[0], POLLIN);

     /* Wait for something interesting to happen */
     pthread_mutex_unlock(&lock);
     n = poll(fds, fdno, timeout);
     pthread_mutex_lock(&lock);
     if(n < 0) {
       if(errno == EINTR) continue;
     /* Wait for something interesting to happen */
     pthread_mutex_unlock(&lock);
     n = poll(fds, fdno, timeout);
     pthread_mutex_lock(&lock);
     if(n < 0) {
       if(errno == EINTR) continue;

-      fatal(errno, "error calling poll");
+      disorder_fatal(errno, "error calling poll");

     }
     /* Perhaps a connection has arrived */
     if(fds[listen_slot].revents & POLLIN) {
     }
     /* Perhaps a connection has arrived */
     if(fds[listen_slot].revents & POLLIN) {


@@ -503,32 +527,41 @@ static void mainloop(void) {
       char id[24];
 
       if((fd = accept(listenfd, (struct sockaddr *)&addr, &addrlen)) >= 0) {
       char id[24];
 
       if((fd = accept(listenfd, (struct sockaddr *)&addr, &addrlen)) >= 0) {

+        /* We do blocking reads for the header.  In theory this means that the
+         * connecting process could wedge the speaker indefinitely.  In
+         * practice that would mean that the main server was broken anyway.
+         * Still, this is ugly, and a rewrite would be nice. */

         blocking(fd);
         if(read(fd, &l, sizeof l) < 4) {
         blocking(fd);
         if(read(fd, &l, sizeof l) < 4) {

-          error(errno, "reading length from inbound connection");
+          disorder_error(errno, "reading length from inbound connection");

           xclose(fd);
         } else if(l >= sizeof id) {
           xclose(fd);
         } else if(l >= sizeof id) {

-          error(0, "id length too long");
+          disorder_error(0, "id length too long");

           xclose(fd);
         } else if(read(fd, id, l) < (ssize_t)l) {
           xclose(fd);
         } else if(read(fd, id, l) < (ssize_t)l) {

-          error(errno, "reading id from inbound connection");
+          disorder_error(errno, "reading id from inbound connection");

           xclose(fd);
         } else {
           id[l] = 0;
           D(("id %s fd %d", id, fd));
           t = findtrack(id, 1/*create*/);
           if (write(fd, "", 1) < 0)             /* write an ack */
           xclose(fd);
         } else {
           id[l] = 0;
           D(("id %s fd %d", id, fd));
           t = findtrack(id, 1/*create*/);
           if (write(fd, "", 1) < 0)             /* write an ack */

-                       error(errno, "writing ack to inbound connection");
+            disorder_error(errno, "writing ack to inbound connection for %s",
+                           id);

           if(t->fd != -1) {
           if(t->fd != -1) {

-            error(0, "%s: already got a connection", id);
+            disorder_error(0, "%s: already got a connection", id);

             xclose(fd);
           } else {
             nonblock(fd);
             t->fd = fd;               /* yay */
           }
             xclose(fd);
           } else {
             nonblock(fd);
             t->fd = fd;               /* yay */
           }

+          /* Notify the server that the connection arrived */
+          sm.type = SM_ARRIVED;
+          strcpy(sm.id, id);
+          speaker_send(1, &sm);

         }
       } else
         }
       } else

-        error(errno, "accept");
+        disorder_error(errno, "accept");

     }
     /* Perhaps we have a command to process */
     if(fds[stdin_slot].revents & POLLIN) {
     }
     /* Perhaps we have a command to process */
     if(fds[stdin_slot].revents & POLLIN) {


@@ -548,16 +581,25 @@ static void mainloop(void) {
             /* If finished isn't set then the server can't believe that this
              * track has finished */
             if(!playing->finished)
             /* If finished isn't set then the server can't believe that this
              * track has finished */
             if(!playing->finished)

-              fatal(0, "got SM_PLAY but already playing something");
+              disorder_fatal(0, "got SM_PLAY but already playing something");

             /* If pending_playing is set then the server must believe that that
              * is playing */
             if(pending_playing)
             /* If pending_playing is set then the server must believe that that
              * is playing */
             if(pending_playing)

-              fatal(0, "got SM_PLAY but have a pending playing track");
+              disorder_fatal(0, "got SM_PLAY but have a pending playing track");

           }
          t = findtrack(sm.id, 1);
           D(("SM_PLAY %s fd %d", t->id, t->fd));
           if(t->fd == -1)
           }
          t = findtrack(sm.id, 1);
           D(("SM_PLAY %s fd %d", t->id, t->fd));
           if(t->fd == -1)

-            error(0, "cannot play track because no connection arrived");
+            disorder_error(0,
+                           "cannot play track because no connection arrived");
+          /* TODO as things stand we often report this error message but then
+           * appear to proceed successfully.  Understanding why requires a look
+           * at play.c: we call prepare() which makes the connection in a child
+           * process, and then sends the SM_PLAY in the parent process.  The
+           * latter may well be faster.  As it happens this is harmless; we'll
+           * just sit around sending silence until the decoder connects and
+           * starts sending some sample data.  But is is annoying and ought to
+           * be fixed. */

           pending_playing = t;
           /* If nothing is currently playing then we'll switch to the pending
            * track below so there's no point distinguishing the situations
           pending_playing = t;
           /* If nothing is currently playing then we'll switch to the pending
            * track below so there's no point distinguishing the situations


@@ -592,7 +634,7 @@ static void mainloop(void) {
                * log more because there's been a bug here recently than because
                * it's particularly interesting; the log message will be removed
                * if no further problems show up. */
                * log more because there's been a bug here recently than because
                * it's particularly interesting; the log message will be removed
                * if no further problems show up. */

-              info("SM_CANCEL for nonplaying track %s", sm.id);
+              disorder_info("SM_CANCEL for nonplaying track %s", sm.id);

               sm.type = SM_STILLBORN;
             }
             strcpy(sm.id, t->id);
               sm.type = SM_STILLBORN;
             }
             strcpy(sm.id, t->id);


@@ -601,19 +643,19 @@ static void mainloop(void) {
             /* Probably scratching the playing track well before it's got
              * going, but could indicate a bug, so we log this as an error. */
             sm.type = SM_UNKNOWN;
             /* Probably scratching the playing track well before it's got
              * going, but could indicate a bug, so we log this as an error. */
             sm.type = SM_UNKNOWN;

-           error(0, "SM_CANCEL for unknown track %s", sm.id);
+           disorder_error(0, "SM_CANCEL for unknown track %s", sm.id);

           }
           speaker_send(1, &sm);
           force_report = 1;
          break;
        case SM_RELOAD:
           D(("SM_RELOAD"));
           }
           speaker_send(1, &sm);
           force_report = 1;
          break;
        case SM_RELOAD:
           D(("SM_RELOAD"));

-         if(config_read(1))
-            error(0, "cannot read configuration");
-          info("reloaded configuration");
+         if(config_read(1, NULL))
+            disorder_error(0, "cannot read configuration");
+          disorder_info("reloaded configuration");

          break;
        default:
          break;
        default:

-         error(0, "unknown message type %d", sm.type);
+         disorder_error(0, "unknown message type %d", sm.type);

         }
     }
     /* Read in any buffered data */
         }
     }
     /* Read in any buffered data */


@@ -626,8 +668,9 @@ static void mainloop(void) {
      * interrupted poll(). */
     if(fds[sigpipe_slot].revents & POLLIN) {
       char buffer[64];
      * interrupted poll(). */
     if(fds[sigpipe_slot].revents & POLLIN) {
       char buffer[64];

+      int ignored; (void)ignored;

 
 

-      read(sigpipe[0], buffer, sizeof buffer);
+      ignored = read(sigpipe[0], buffer, sizeof buffer);

     }
     /* Send SM_FINISHED when we're near the end of the track.
      *
     }
     /* Send SM_FINISHED when we're near the end of the track.
      *


@@ -646,6 +689,10 @@ static void mainloop(void) {
     }
     /* When the track is actually finished, deconfigure it */
     if(playing && playing->eof && !playing->used) {
     }
     /* When the track is actually finished, deconfigure it */
     if(playing && playing->eof && !playing->used) {

+      if(!playing->finished) {
+        /* should never happen but we'd like to know if it does */
+        disorder_fatal(0, "track finish state inconsistent");
+      }

       removetrack(playing->id);
       destroy(playing);
       playing = 0;
       removetrack(playing->id);
       destroy(playing);
       playing = 0;


@@ -673,7 +720,7 @@ static void mainloop(void) {
       }
     }
     /* If we've not reported our state for a second do so now. */
       }
     }
     /* If we've not reported our state for a second do so now. */

-    if(force_report || time(0) > last_report)
+    if(force_report || xtime(0) > last_report)

       report();
   }
 }
       report();
   }
 }


@@ -688,7 +735,7 @@ int main(int argc, char **argv) {
   struct rlimit rl[1];
 
   set_progname(argv);
   struct rlimit rl[1];
 
   set_progname(argv);

-  if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
+  if(!setlocale(LC_CTYPE, "")) disorder_fatal(errno, "error calling setlocale");

   while((n = getopt_long(argc, argv, "hVc:dDSs", options, 0)) >= 0) {
     switch(n) {
     case 'h': help();
   while((n = getopt_long(argc, argv, "hVc:dDSs", options, 0)) >= 0) {
     switch(n) {
     case 'h': help();


@@ -698,7 +745,7 @@ int main(int argc, char **argv) {
     case 'D': debugging = 0; break;
     case 'S': logsyslog = 0; break;
     case 's': logsyslog = 1; break;
     case 'D': debugging = 0; break;
     case 'S': logsyslog = 0; break;
     case 's': logsyslog = 1; break;

-    default: fatal(0, "invalid option");
+    default: disorder_fatal(0, "invalid option");

     }
   }
   if((d = getenv("DISORDER_DEBUG_SPEAKER"))) debugging = atoi(d);
     }
   }
   if((d = getenv("DISORDER_DEBUG_SPEAKER"))) debugging = atoi(d);


@@ -707,7 +754,7 @@ int main(int argc, char **argv) {
     log_default = &log_syslog;
   }
   config_uaudio_apis = uaudio_apis;
     log_default = &log_syslog;
   }
   config_uaudio_apis = uaudio_apis;

-  if(config_read(1)) fatal(0, "cannot read configuration");
+  if(config_read(1, NULL)) disorder_fatal(0, "cannot read configuration");

   /* ignore SIGPIPE */
   signal(SIGPIPE, SIG_IGN);
   /* set nice value */
   /* ignore SIGPIPE */
   signal(SIGPIPE, SIG_IGN);
   /* set nice value */


@@ -716,19 +763,19 @@ int main(int argc, char **argv) {
   become_mortal();
   /* make sure we're not root, whatever the config says */
   if(getuid() == 0 || geteuid() == 0)
   become_mortal();
   /* make sure we're not root, whatever the config says */
   if(getuid() == 0 || geteuid() == 0)

-    fatal(0, "do not run as root");
+    disorder_fatal(0, "do not run as root");

   /* Make sure we can't have more than NFDS files open (it would bust our
    * poll() array) */
   if(getrlimit(RLIMIT_NOFILE, rl) < 0)
   /* Make sure we can't have more than NFDS files open (it would bust our
    * poll() array) */
   if(getrlimit(RLIMIT_NOFILE, rl) < 0)

-    fatal(errno, "getrlimit RLIMIT_NOFILE");
+    disorder_fatal(errno, "getrlimit RLIMIT_NOFILE");

   if(rl->rlim_cur > NFDS) {
     rl->rlim_cur = NFDS;
     if(setrlimit(RLIMIT_NOFILE, rl) < 0)
   if(rl->rlim_cur > NFDS) {
     rl->rlim_cur = NFDS;
     if(setrlimit(RLIMIT_NOFILE, rl) < 0)

-      fatal(errno, "setrlimit to reduce RLIMIT_NOFILE to %lu",
+      disorder_fatal(errno, "setrlimit to reduce RLIMIT_NOFILE to %lu",

             (unsigned long)rl->rlim_cur);
             (unsigned long)rl->rlim_cur);

-    info("set RLIM_NOFILE to %lu", (unsigned long)rl->rlim_cur);
+    disorder_info("set RLIM_NOFILE to %lu", (unsigned long)rl->rlim_cur);

   } else
   } else

-    info("RLIM_NOFILE is %lu", (unsigned long)rl->rlim_cur);
+    disorder_info("RLIM_NOFILE is %lu", (unsigned long)rl->rlim_cur);

   /* gcrypt initialization */
   if(!gcry_check_version(NULL))
     disorder_fatal(0, "gcry_check_version failed");
   /* gcrypt initialization */
   if(!gcry_check_version(NULL))
     disorder_fatal(0, "gcry_check_version failed");


@@ -753,7 +800,7 @@ int main(int argc, char **argv) {
   byte_xasprintf(&dir, "%s/speaker", config->home);
   unlink(dir);                          /* might be a leftover socket */
   if(mkdir(dir, 0700) < 0 && errno != EEXIST)
   byte_xasprintf(&dir, "%s/speaker", config->home);
   unlink(dir);                          /* might be a leftover socket */
   if(mkdir(dir, 0700) < 0 && errno != EEXIST)

-    fatal(errno, "error creating %s", dir);
+    disorder_fatal(errno, "error creating %s", dir);

   /* set up the listen socket */
   listenfd = xsocket(PF_UNIX, SOCK_STREAM, 0);
   memset(&addr, 0, sizeof addr);
   /* set up the listen socket */
   listenfd = xsocket(PF_UNIX, SOCK_STREAM, 0);
   memset(&addr, 0, sizeof addr);


@@ -761,18 +808,18 @@ int main(int argc, char **argv) {
   snprintf(addr.sun_path, sizeof addr.sun_path, "%s/speaker/socket",
            config->home);
   if(unlink(addr.sun_path) < 0 && errno != ENOENT)
   snprintf(addr.sun_path, sizeof addr.sun_path, "%s/speaker/socket",
            config->home);
   if(unlink(addr.sun_path) < 0 && errno != ENOENT)

-    error(errno, "removing %s", addr.sun_path);
+    disorder_error(errno, "removing %s", addr.sun_path);

   xsetsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof one);
   if(bind(listenfd, (const struct sockaddr *)&addr, sizeof addr) < 0)
   xsetsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof one);
   if(bind(listenfd, (const struct sockaddr *)&addr, sizeof addr) < 0)

-    fatal(errno, "error binding socket to %s", addr.sun_path);
+    disorder_fatal(errno, "error binding socket to %s", addr.sun_path);

   xlisten(listenfd, 128);
   nonblock(listenfd);
   xlisten(listenfd, 128);
   nonblock(listenfd);

-  info("listening on %s", addr.sun_path);
+  disorder_info("listening on %s", addr.sun_path);

   memset(&sm, 0, sizeof sm);
   sm.type = SM_READY;
   speaker_send(1, &sm);
   mainloop();
   memset(&sm, 0, sizeof sm);
   sm.type = SM_READY;
   speaker_send(1, &sm);
   mainloop();

-  info("stopped (parent terminated)");
+  disorder_info("stopped (parent terminated)");

   exit(0);
 }
 
   exit(0);
 }