X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/0b7c89091fed1feb9a45a594c133a5d122dea692..e9e8a16d359c900f114853eb0e407a8064e4350c:/disobedience/disobedience.c

diff --git a/disobedience/disobedience.c b/disobedience/disobedience.c
index cb5bb33..42eb190 100644
--- a/disobedience/disobedience.c
+++ b/disobedience/disobedience.c
@@ -17,8 +17,13 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  * USA
  */
+/** @file disobedience/disobedience.c
+ * @brief Main Disobedience program
+ */
 
 #include "disobedience.h"
+#include "mixer.h"
+#include "version.h"
 
 #include <getopt.h>
 #include <locale.h>
@@ -27,58 +32,79 @@
 /* Apologies for the numerous de-consting casts, but GLib et al do not seem to
  * have heard of const. */
 
-#include "style.h"                      /* generated style */
+/* Variables --------------------------------------------------------------- */
+
+/** @brief Event loop */
+GMainLoop *mainloop;
 
-/* Functions --------------------------------------------------------------- */
+/** @brief Top-level window */
+GtkWidget *toplevel;
 
-static void log_connected(void *v);
-static void log_completed(void *v, const char *track);
-static void log_failed(void *v, const char *track, const char *status);
-static void log_moved(void *v, const char *user);
-static void log_playing(void *v, const char *track, const char *user);
-static void log_queue(void *v, struct queue_entry *q);
-static void log_recent_added(void *v, struct queue_entry *q);
-static void log_recent_removed(void *v, const char *id);
-static void log_removed(void *v, const char *id, const char *user);
-static void log_scratched(void *v, const char *track, const char *user);
-static void log_state(void *v, unsigned long state);
-static void log_volume(void *v, int l, int r);
+/** @brief Label for progress indicator */
+GtkWidget *report_label;
 
-/* Variables --------------------------------------------------------------- */
+/** @brief Main tab group */
+GtkWidget *tabs;
 
-GMainLoop *mainloop;                    /* event loop */
-GtkWidget *toplevel;                    /* top level window */
-GtkWidget *report_label;                /* label for progress indicator */
-GtkWidget *tabs;                        /* main tabs */
+/** @brief Main client */
+disorder_eclient *client;
 
-disorder_eclient *client;               /* main client */
+/** @brief Log client */
+disorder_eclient *logclient;
+
+/** @brief Last reported state
+ *
+ * This is updated by log_state().
+ */
+unsigned long last_state;
+
+/** @brief True if some track is playing
+ *
+ * This ought to be removed in favour of last_state & DISORDER_PLAYING
+ */
+int playing;
+
+/** @brief Left channel volume */
+int volume_l;
+
+/** @brief Right channel volume */
+int volume_r;
 
-unsigned long last_state;               /* last reported state */
-int playing;                            /* true if playing some track */
-int volume_l, volume_r;                 /* volume */
 double goesupto = 10;                   /* volume upper bound */
-int choosealpha;                        /* break up choose by letter */
-
-static const disorder_eclient_log_callbacks gdisorder_log_callbacks = {
-  log_connected,
-  log_completed,
-  log_failed,
-  log_moved,
-  log_playing,
-  log_queue,
-  log_recent_added,
-  log_recent_removed,
-  log_removed,
-  log_scratched,
-  log_state,
-  log_volume
-};
+
+/** @brief True if a NOP is in flight */
+static int nop_in_flight;
+
+/** @brief True if an rtp-address command is in flight */
+static int rtp_address_in_flight;
+
+/** @brief Global tooltip group */
+GtkTooltips *tips;
+
+/** @brief True if RTP play is available
+ *
+ * This is a bit of a bodge...
+ */
+int rtp_supported;
+
+/** @brief True if RTP play is enabled */
+int rtp_is_running;
+
+/** @brief Linked list of functions to call when we reset login parameters */
+static struct reset_callback_node {
+  struct reset_callback_node *next;
+  reset_callback *callback;
+} *resets;
 
 /* Window creation --------------------------------------------------------- */
 
 /* Note that all the client operations kicked off from here will only complete
  * after we've entered the event loop. */
 
+/** @brief Called when main window is deleted
+ *
+ * Terminates the program.
+ */
 static gboolean delete_event(GtkWidget attribute((unused)) *widget,
                              GdkEvent attribute((unused)) *event,
                              gpointer attribute((unused)) data) {
@@ -86,7 +112,10 @@ static gboolean delete_event(GtkWidget attribute((unused)) *widget,
   exit(0);                              /* die immediately */
 }
 
-/* Called when the current tab is switched. */
+/** @brief Called when the current tab is switched
+ *
+ * Updates the menu settings to correspond to the new page.
+ */
 static void tab_switched(GtkNotebook attribute((unused)) *notebook,
                          GtkNotebookPage attribute((unused)) *page,
                          guint page_num,
@@ -94,6 +123,7 @@ static void tab_switched(GtkNotebook attribute((unused)) *notebook,
   menu_update(page_num);
 }
 
+/** @brief Create the report box */
 static GtkWidget *report_box(void) {
   GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
 
@@ -105,8 +135,12 @@ static GtkWidget *report_box(void) {
   return vbox;
 }
 
+/** @brief Create and populate the main tab group */
 static GtkWidget *notebook(void) {
   tabs = gtk_notebook_new();
+  /* The current tab is _NORMAL, the rest are _ACTIVE, which is bizarre but
+   * produces not too dreadful appearance */
+  gtk_widget_set_style(tabs, tool_style);
   g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0);
   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue_widget(),
                            gtk_label_new("Queue"));
@@ -114,9 +148,12 @@ static GtkWidget *notebook(void) {
                            gtk_label_new("Recent"));
   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(),
                            gtk_label_new("Choose"));
+  gtk_notebook_append_page(GTK_NOTEBOOK(tabs), added_widget(),
+                           gtk_label_new("Added"));
   return tabs;
 }
 
+/** @brief Create and populate the main window */
 static void make_toplevel_window(void) {
   GtkWidget *const vbox = gtk_vbox_new(FALSE, 1);
   GtkWidget *const rb = report_box();
@@ -148,107 +185,7 @@ static void make_toplevel_window(void) {
                    FALSE,             /* expand */
                    FALSE,             /* fill */
                    0);
-  gtk_widget_set_name(toplevel, "disobedience");
-}
-
-/* State monitoring -------------------------------------------------------- */
-
-static void all_update(void) {
-  playing_update();
-  queue_update();
-  recent_update();
-  control_update();
-}
-
-static void log_connected(void attribute((unused)) *v) {
-  struct callbackdata *cbd;
-
-  /* Don't know what we might have missed while disconnected so update
-   * everything.  We get this at startup too and this is how we do the initial
-   * state fetch. */
-  all_update();
-  /* Re-get the volume */
-  cbd = xmalloc(sizeof *cbd);
-  cbd->onerror = 0;
-  disorder_eclient_volume(client, log_volume, -1, -1, cbd);
-}
-
-static void log_completed(void attribute((unused)) *v,
-                          const char attribute((unused)) *track) {
-  playing = 0;
-  playing_update();
-  control_update();
-}
-
-static void log_failed(void attribute((unused)) *v,
-                       const char attribute((unused)) *track,
-                       const char attribute((unused)) *status) {
-  playing = 0;
-  playing_update();
-  control_update();
-}
-
-static void log_moved(void attribute((unused)) *v,
-                      const char attribute((unused)) *user) {
-   queue_update();
-}
-
-static void log_playing(void attribute((unused)) *v,
-                        const char attribute((unused)) *track,
-                        const char attribute((unused)) *user) {
-  playing = 1;
-  playing_update();
-  control_update();
-  /* we get a log_removed() anyway so we don't need to update_queue() from
-   * here */
-}
-
-static void log_queue(void attribute((unused)) *v,
-                      struct queue_entry attribute((unused)) *q) {
-  queue_update();
-}
-
-static void log_recent_added(void attribute((unused)) *v,
-                             struct queue_entry attribute((unused)) *q) {
-  recent_update();
-}
-
-static void log_recent_removed(void attribute((unused)) *v,
-                               const char attribute((unused)) *id) {
-  /* nothing - log_recent_added() will trigger the relevant update */
-}
-
-static void log_removed(void attribute((unused)) *v,
-                        const char attribute((unused)) *id,
-                        const char attribute((unused)) *user) {
-  queue_update();
-}
-
-static void log_scratched(void attribute((unused)) *v,
-                          const char attribute((unused)) *track,
-                          const char attribute((unused)) *user) {
-  playing = 0;
-  playing_update();
-  control_update();
-}
-
-static void log_state(void attribute((unused)) *v,
-                      unsigned long state) {
-  last_state = state;
-  control_update();
-  /* If the track is paused or resume then the currently playing track is
-   * refetched so that we can continue to correctly calculate the played so-far
-   * field */
-  playing_update();
-}
-
-static void log_volume(void attribute((unused)) *v,
-                       int l, int r) {
-  if(volume_l != l || volume_r != r) {
-    volume_l = l;
-    volume_r = r;
-    control_update();
-  }
+  gtk_widget_set_style(toplevel, tool_style);
 }
 
 #if MDEBUG
@@ -273,8 +210,74 @@ static void count_widgets(void) {
 }
 #endif
 
-/* Called once every 10 minutes */
-static gboolean periodic(gpointer attribute((unused)) data) {
+#if MTRACK
+const char *mtag = "init";
+static hash *mtrack_hash;
+
+static int *mthfind(const char *tag) {
+  static const int zero = 0;
+  int *cp = hash_find(mtrack_hash, tag);
+  if(!cp) {
+    hash_add(mtrack_hash, tag, &zero, HASH_INSERT);
+    cp = hash_find(mtrack_hash, tag);
+  }
+  return cp;
+}
+
+static void *trap_malloc(size_t n) {
+  void *ptr = malloc(n + sizeof(char *));
+
+  *(const char **)ptr = mtag;
+  ++*mthfind(mtag);
+  return (char *)ptr + sizeof(char *);
+}
+
+static void trap_free(void *ptr) {
+  const char *tag;
+  if(!ptr)
+    return;
+  ptr = (char *)ptr - sizeof(char *);
+  tag = *(const char **)ptr;
+  --*mthfind(tag);
+  free(ptr);
+}
+
+static void *trap_realloc(void *ptr, size_t n) {
+  if(!ptr)
+    return trap_malloc(n);
+  if(!n) {
+    trap_free(ptr);
+    return 0;
+  }
+  ptr = (char *)ptr - sizeof(char *);
+  ptr = realloc(ptr, n + sizeof(char *));
+  *(const char **)ptr = mtag;
+  return (char *)ptr + sizeof(char *);
+}
+
+static int report_tags_callback(const char *key, void *value,
+                                void attribute((unused)) *u) {
+  fprintf(stderr, "%16s: %d\n", key, *(int *)value);
+  return 0;
+}
+
+static void report_tags(void) {
+  hash_foreach(mtrack_hash, report_tags_callback, 0);
+  fprintf(stderr, "\n");
+}
+
+static const GMemVTable glib_memvtable = {
+  trap_malloc,
+  trap_realloc,
+  trap_free,
+  0,
+  0,
+  0
+};
+#endif
+
+/** @brief Called occasionally */
+static gboolean periodic_slow(gpointer attribute((unused)) data) {
   D(("periodic"));
   /* Expire cached data */
   cache_expire();
@@ -284,11 +287,16 @@ static gboolean periodic(gpointer attribute((unused)) data) {
 #if MDEBUG
   count_widgets();
   fprintf(stderr, "cache size: %zu\n", cache_count());
+#endif
+#if MTRACK
+  report_tags();
 #endif
   return TRUE;                          /* don't remove me */
 }
 
-static gboolean heartbeat(gpointer attribute((unused)) data) {
+/** @brief Called frequently */
+static gboolean periodic_fast(gpointer attribute((unused)) data) {
+#if 0                                   /* debugging hack */
   static struct timeval last;
   struct timeval now;
   double delta;
@@ -303,9 +311,75 @@ static gboolean heartbeat(gpointer attribute((unused)) data) {
               delta);
   }
   last = now;
+#endif
+  if(rtp_supported) {
+    int nl, nr;
+    if(!mixer_control(&nl, &nr, 0) && (nl != volume_l || nr != volume_r)) {
+      volume_l = nl;
+      volume_r = nr;
+      volume_update();
+    }
+  }
   return TRUE;
 }
 
+/** @brief Called when a NOP completes */
+static void nop_completed(void attribute((unused)) *v) {
+  nop_in_flight = 0;
+}
+
+/** @brief Called from time to time to arrange for a NOP to be sent
+ *
+ * At most one NOP remains in flight at any moment.  If the client is not
+ * currently connected then no NOP is sent.
+ */
+static gboolean maybe_send_nop(gpointer attribute((unused)) data) {
+  if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) {
+    nop_in_flight = 1;
+    disorder_eclient_nop(client, nop_completed, 0);
+  }
+  if(rtp_supported) {
+    const int old_state = rtp_is_running;
+    rtp_is_running = rtp_running();
+    if(old_state != rtp_is_running)
+      control_monitor(0);
+  }
+  return TRUE;                          /* keep call me please */
+}
+
+/** @brief Called when a rtp-address command succeeds */
+static void got_rtp_address(void attribute((unused)) *v,
+                            int attribute((unused)) nvec,
+                            char attribute((unused)) **vec) {
+  ++suppress_actions;
+  rtp_address_in_flight = 0;
+  rtp_supported = 1;
+  rtp_is_running = rtp_running();
+  control_monitor(0);
+  --suppress_actions;
+}
+
+/** @brief Called when a rtp-address command fails */
+static void no_rtp_address(struct callbackdata attribute((unused)) *cbd,
+                           int attribute((unused)) code,
+                           const char attribute((unused)) *msg) {
+  ++suppress_actions;
+  rtp_address_in_flight = 0;
+  rtp_supported = 0;
+  rtp_is_running = 0;
+  control_monitor(0);
+  --suppress_actions;
+}
+
+/** @brief Called to check whether RTP play is available */
+static void check_rtp_address(void) {
+  if(!rtp_address_in_flight) {
+    struct callbackdata *const cbd = xmalloc(sizeof *cbd);
+    cbd->onerror = no_rtp_address;
+    disorder_eclient_rtp_address(client, got_rtp_address, cbd);
+  }
+}
+
 /* main -------------------------------------------------------------------- */
 
 static const struct option options[] = {
@@ -313,7 +387,6 @@ static const struct option options[] = {
   { "version", no_argument, 0, 'V' },
   { "config", required_argument, 0, 'c' },
   { "tufnel", no_argument, 0, 't' },
-  { "choosealpha", no_argument, 0, 'C' },
   { "debug", no_argument, 0, 'd' },
   { 0, 0, 0, 0 }
 };
@@ -335,60 +408,92 @@ static void help(void) {
   exit(0);
 }
 
-/* display version number and terminate */
-static void version(void) {
-  xprintf("disorder version %s\n", disorder_version_string);
-  xfclose(stdout);
-  exit(0);
+/* reset state */
+void reset(void) {
+  struct reset_callback_node *r;
+
+  /* reset the clients */
+  disorder_eclient_close(client);
+  disorder_eclient_close(logclient);
+  rtp_supported = 0;
+  for(r = resets; r; r = r->next)
+    r->callback();
+  /* Might be a new server so re-check */
+  check_rtp_address();
+}
+
+/** @brief Register a reset callback */
+void register_reset(reset_callback *callback) {
+  struct reset_callback_node *const r = xmalloc(sizeof *r);
+
+  r->next = resets;
+  r->callback = callback;
+  resets = r;
 }
 
 int main(int argc, char **argv) {
   int n;
-  disorder_eclient *logclient;
+  gboolean gtkok;
 
   mem_init();
   /* garbage-collect PCRE's memory */
   pcre_malloc = xmalloc;
   pcre_free = xfree;
+#if MTRACK
+  mtrack_hash = hash_new(sizeof (int));
+  g_mem_set_vtable((GMemVTable *)&glib_memvtable);
+#endif
   if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
-  gtk_init(&argc, &argv);
-  gtk_rc_parse_string(style);
-  while((n = getopt_long(argc, argv, "hVc:dtH", options, 0)) >= 0) {
+  gtkok = gtk_init_check(&argc, &argv);
+  while((n = getopt_long(argc, argv, "hVc:dtHC", options, 0)) >= 0) {
     switch(n) {
     case 'h': help();
-    case 'V': version();
+    case 'V': version("disobedience");
     case 'c': configfile = optarg; break;
     case 'd': debugging = 1; break;
     case 't': goesupto = 11; break;
-    case 'C': choosealpha = 1; break;   /* not well tested any more */
     default: fatal(0, "invalid option");
     }
   }
+  if(!gtkok)
+    fatal(0, "failed to initialize GTK+");
   signal(SIGPIPE, SIG_IGN);
+  init_styles();
+  load_settings();
   /* create the event loop */
   D(("create main loop"));
   mainloop = g_main_loop_new(0, 0);
-  if(config_read()) fatal(0, "cannot read configuration");
+  if(config_read(0)) fatal(0, "cannot read configuration");
   /* create the clients */
   if(!(client = gtkclient())
      || !(logclient = gtkclient()))
     return 1;                           /* already reported an error */
-  disorder_eclient_log(logclient, &gdisorder_log_callbacks, 0);
-  /* periodic operations (e.g. expiring the cache) */
-#if MDEBUG
-  g_timeout_add(5000/*milliseconds*/, periodic, 0);
-#else
-  g_timeout_add(600000/*milliseconds*/, periodic, 0);
-#endif
-  /* The point of this is to try and get a handle on mysterious
-   * unresponsiveness.  It's not very useful in production use. */
-  if(0)
-    g_timeout_add(1000/*milliseconds*/, heartbeat, 0);
+  /* periodic operations (e.g. expiring the cache, checking local volume) */
+  g_timeout_add(600000/*milliseconds*/, periodic_slow, 0);
+  g_timeout_add(1000/*milliseconds*/, periodic_fast, 0);
+  /* global tooltips */
+  tips = gtk_tooltips_new();
   make_toplevel_window();
   /* reset styles now everything has its name */
   gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default()));
   gtk_widget_show_all(toplevel);
+  /* issue a NOP every so often */
+  g_timeout_add_full(G_PRIORITY_LOW,
+                     2000/*interval, ms*/,
+                     maybe_send_nop,
+                     0/*data*/,
+                     0/*notify*/);
+  register_reset(properties_reset);
+  /* Start monitoring the log */
+  disorder_eclient_log(logclient, &log_callbacks, 0);
+  /* See if RTP play supported */
+  check_rtp_address();
+  suppress_actions = 0;
+  /* If no password is set yet pop up a login box */
+  if(!config->password)
+    login_box();
   D(("enter main loop"));
+  MTAG("misc");
   g_main_loop_run(mainloop);
   return 0;
 }