X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/8f763f1bcd527d7f2bb27a3bf3677571c8ffd2d9..146e86fbdea5a7a4c846e7b4a210ee179e1943d5:/lib/eclient.c

diff --git a/lib/eclient.c b/lib/eclient.c
index d0cf661..e175c22 100644
--- a/lib/eclient.c
+++ b/lib/eclient.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2006 Richard Kettlewell
+ * Copyright (C) 2006, 2007 Richard Kettlewell
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -170,6 +170,7 @@ static void logentry_removed(disorder_eclient *c, int nvec, char **vec);
 static void logentry_scratched(disorder_eclient *c, int nvec, char **vec);
 static void logentry_state(disorder_eclient *c, int nvec, char **vec);
 static void logentry_volume(disorder_eclient *c, int nvec, char **vec);
+static void logentry_rescanned(disorder_eclient *c, int nvec, char **vec);
 
 /* Tables ********************************************************************/
 
@@ -194,6 +195,7 @@ static const struct logentry_handler logentry_handlers[] = {
   LE(recent_added, 2, INT_MAX),
   LE(recent_removed, 1, 1),
   LE(removed, 1, 2),
+  LE(rescanned, 0, 0),
   LE(scratched, 2, 2),
   LE(state, 1, 1),
   LE(volume, 2, 2)
@@ -249,6 +251,9 @@ void disorder_eclient_close(disorder_eclient *c) {
   /* We'll need to resend all operations */
   for(op = c->ops; op; op = op->next)
     op->sent = 0;
+  /* Drop our use a hint that we're disconnected */
+  if(c->log_callbacks && c->log_callbacks->state)
+    c->log_callbacks->state(c->log_v, c->statebits);
 }
 
 /** @brief Return current state */
@@ -488,6 +493,8 @@ static void maybe_connected(disorder_eclient *c) {
     c->state = state_connected;
     byte_xasprintf(&r, "connected to %s", c->ident);
     c->callbacks->report(c->u, r);
+    /* If this is a log client we expect to get a bunch of updates from the
+     * server straight away */
   }
 }
 
@@ -498,16 +505,31 @@ static void authbanner_opcallback(disorder_eclient *c,
   size_t nonce_len;
   const unsigned char *nonce;
   const char *res;
+  char **rvec;
+  int nrvec;
+  const char *algo = "SHA1";
   
   D(("authbanner_opcallback"));
-  if(c->rc / 100 != 2) {
-    /* Banner told us to go away.  We cannot proceed. */
+  if(c->rc / 100 != 2
+     || !(rvec = split(c->line + 4, &nrvec, SPLIT_QUOTES, 0, 0))
+     || nrvec < 1) {
+    /* Banner told us to go away, or was malformed.  We cannot proceed. */
     protocol_error(c, op, c->rc, "%s: %s", c->ident, c->line);
     disorder_eclient_close(c);
     return;
   }
-  nonce = unhex(c->line +  4, &nonce_len);
-  res = authhash(nonce, nonce_len, config->password);
+  if(nrvec > 1) {
+    algo = *rvec++;
+    --nrvec;
+  }
+  nonce = unhex(rvec[0], &nonce_len);
+  res = authhash(nonce, nonce_len, config->password, algo);
+  if(!res) {
+    protocol_error(c, op, c->rc, "%s: unknown authentication algorithm '%s'",
+                   c->ident, algo);
+    disorder_eclient_close(c);
+    return;
+  }
   stash_command(c, 1/*queuejump*/, authuser_opcallback, 0/*completed*/, 0/*v*/,
                 "user", quoteutf8(config->username), quoteutf8(res),
                 (char *)0);
@@ -629,7 +651,7 @@ static void process_line(disorder_eclient *c, char *line) {
     case 3:
       /* We need to collect the body. */
       c->state = state_body;
-      c->vec.nvec = 0;
+      vector_init(&c->vec);
       break;
     case 4:
       assert(c->log_callbacks != 0);
@@ -1136,6 +1158,25 @@ int disorder_eclient_nop(disorder_eclient *c,
                 "nop", (char *)0);
 }
 
+/** @brief Get the last @p max added tracks
+ * @param c Client
+ * @param completed Called with list
+ * @param max Number of tracks to get, 0 for all
+ * @param v Passed to @p completed
+ *
+ * The first track in the list is the most recently added.
+ */
+int disorder_eclient_new_tracks(disorder_eclient *c,
+                                disorder_eclient_list_response *completed,
+                                int max,
+                                void *v) {
+  char limit[32];
+
+  sprintf(limit, "%d", max);
+  return simple(c, list_response_opcallback, (void (*)())completed, v,
+                "new", limit, (char *)0);
+}
+
 /* Log clients ***************************************************************/
 
 /** @brief Monitor the server log
@@ -1146,6 +1187,9 @@ int disorder_eclient_nop(disorder_eclient *c,
  * Once a client is being used for logging it cannot be used for anything else.
  * There is magic in authuser_opcallback() to re-submit the @c log command
  * after reconnection.
+ *
+ * NB that the @c state callback may be called from within this function,
+ * i.e. not solely later on from the event loop callback.
  */
 int disorder_eclient_log(disorder_eclient *c,
                          const disorder_eclient_log_callbacks *callbacks,
@@ -1153,6 +1197,9 @@ int disorder_eclient_log(disorder_eclient *c,
   if(c->log_callbacks) return -1;
   c->log_callbacks = callbacks;
   c->log_v = v;
+  /* Repoort initial state */
+  if(c->log_callbacks->state)
+    c->log_callbacks->state(c->log_v, c->statebits);
   stash_command(c, 0/*queuejump*/, log_opcallback, 0/*completed*/, v,
                 "log", (char *)0);
   return 0;
@@ -1178,7 +1225,7 @@ static void logline(disorder_eclient *c, const char *line) {
   char **vec;
   uintmax_t when;
 
-  D(("log_opcallback [%s]", line));
+  D(("logline [%s]", line));
   vec = split(line, &nvec, SPLIT_QUOTES, logline_error, c);
   if(nvec < 2) return;                  /* probably an error, already
                                          * reported */
@@ -1200,7 +1247,7 @@ static void logline(disorder_eclient *c, const char *line) {
 static void logentry_completed(disorder_eclient *c,
                                int attribute((unused)) nvec, char **vec) {
   if(!c->log_callbacks->completed) return;
-  c->state &= ~DISORDER_PLAYING;
+  c->statebits &= ~DISORDER_PLAYING;
   c->log_callbacks->completed(c->log_v, vec[0]);
   if(c->log_callbacks->state)
     c->log_callbacks->state(c->log_v, c->statebits | DISORDER_CONNECTED);
@@ -1209,7 +1256,7 @@ static void logentry_completed(disorder_eclient *c,
 static void logentry_failed(disorder_eclient *c,
                             int attribute((unused)) nvec, char **vec) {
   if(!c->log_callbacks->failed)return;
-  c->state &= ~DISORDER_PLAYING;
+  c->statebits &= ~DISORDER_PLAYING;
   c->log_callbacks->failed(c->log_v, vec[0], vec[1]);
   if(c->log_callbacks->state)
     c->log_callbacks->state(c->log_v, c->statebits | DISORDER_CONNECTED);
@@ -1224,7 +1271,7 @@ static void logentry_moved(disorder_eclient *c,
 static void logentry_playing(disorder_eclient *c,
                              int attribute((unused)) nvec, char **vec) {
   if(!c->log_callbacks->playing) return;
-  c->state |= DISORDER_PLAYING;
+  c->statebits |= DISORDER_PLAYING;
   c->log_callbacks->playing(c->log_v, vec[0], vec[1]);
   if(c->log_callbacks->state)
     c->log_callbacks->state(c->log_v, c->statebits | DISORDER_CONNECTED);
@@ -1264,10 +1311,17 @@ static void logentry_removed(disorder_eclient *c,
   c->log_callbacks->removed(c->log_v, vec[0], vec[1]);
 }
 
+static void logentry_rescanned(disorder_eclient *c,
+                               int attribute((unused)) nvec,
+                               char attribute((unused)) **vec) {
+  if(!c->log_callbacks->rescanned) return;
+  c->log_callbacks->rescanned(c->log_v);
+}
+
 static void logentry_scratched(disorder_eclient *c,
                                int attribute((unused)) nvec, char **vec) {
   if(!c->log_callbacks->scratched) return;
-  c->state &= ~DISORDER_PLAYING;
+  c->statebits &= ~DISORDER_PLAYING;
   c->log_callbacks->scratched(c->log_v, vec[0], vec[1]);
   if(c->log_callbacks->state)
     c->log_callbacks->state(c->log_v, c->statebits | DISORDER_CONNECTED);
@@ -1281,18 +1335,21 @@ static const struct {
   { DISORDER_PLAYING_ENABLED, "enable_play", "disable_play" },
   { DISORDER_RANDOM_ENABLED, "enable_random", "disable_random" },
   { DISORDER_TRACK_PAUSED, "pause", "resume" },
+  { DISORDER_PLAYING, "playing", "completed" },
+  { DISORDER_PLAYING, 0, "scratched" },
+  { DISORDER_PLAYING, 0, "failed" },
 };
-#define NSTATES (int)(sizeof states / sizeof *states)
+#define NSTATES (int)(sizeof statestrings / sizeof *statestrings)
 
 static void logentry_state(disorder_eclient *c,
                            int attribute((unused)) nvec, char **vec) {
   int n;
 
   for(n = 0; n < NSTATES; ++n)
-    if(!strcmp(vec[0], statestrings[n].enable)) {
+    if(statestrings[n].enable && !strcmp(vec[0], statestrings[n].enable)) {
       c->statebits |= statestrings[n].bit;
       break;
-    } else if(!strcmp(vec[0], statestrings[n].disable)) {
+    } else if(statestrings[n].disable && !strcmp(vec[0], statestrings[n].disable)) {
       c->statebits &= ~statestrings[n].bit;
       break;
     }
@@ -1313,6 +1370,45 @@ static void logentry_volume(disorder_eclient *c,
   c->log_callbacks->volume(c->log_v, (int)l, (int)r);
 }
 
+/** @brief Convert @p statebits to a string */
+char *disorder_eclient_interpret_state(unsigned long statebits) {
+  struct dynstr d[1];
+  size_t n;
+
+  static const struct {
+    unsigned long bit;
+    const char *name;
+  } bits[] = {
+    { DISORDER_PLAYING_ENABLED, "playing_enabled" },
+    { DISORDER_RANDOM_ENABLED, "random_enabled" },
+    { DISORDER_TRACK_PAUSED, "track_paused" },
+    { DISORDER_PLAYING, "playing" },
+    { DISORDER_CONNECTED, "connected" },
+  };
+#define NBITS (sizeof bits / sizeof *bits)
+
+  dynstr_init(d);
+  if(!statebits)
+    dynstr_append(d, '0');
+  for(n = 0; n < NBITS; ++n)
+    if(statebits & bits[n].bit) {
+      if(d->nvec)
+        dynstr_append(d, '|');
+      dynstr_append_string(d, bits[n].name);
+      statebits ^= bits[n].bit;
+    }
+  if(statebits) {
+    char s[20];
+
+    if(d->nvec)
+      dynstr_append(d, '|');
+    sprintf(s, "%#lx", statebits);
+    dynstr_append_string(d, s);
+  }
+  dynstr_terminate(d);
+  return d->vec;
+}
+
 /*
 Local Variables:
 c-basic-offset:2