Add verbosity toggle

Add a switch to turn off some of the unnecessary messages in control
channel.

Fixes: #207

Signed-off-by: Artem Savkov <artem.savkov@gmail.com>

README

@@ -184,6 +184,9 @@ This section describes options available through "account set" bitlbee command
     "Foo.*,Bar.A" will exclude all channels from server "Foo" and channel "A"
     from server "Bar".
 
+  - verbose (type: boolean; default: off)
+    Show more protocol-related messages in control channel.
+
 Debugging
 ---------
 You can enable extra debug output for bitlbee-discord, by setting BITLBEE_DEBUG

src/discord-handlers.c

@@ -868,7 +868,9 @@ gboolean discord_parse_message(struct im_connection *ic, gchar *buf, guint64 siz
       dd->heartbeat_timeout_id = 0;
     }
   } else if (op == OPCODE_RECONNECT) {
-    imcb_log(ic, "Reconnect requested");
+    if (set_getbool(&ic->acc->set, "verbose")) {
+      imcb_log(ic, "Reconnect requested");
+    }
     discord_soft_reconnect(ic);
   } else if (op == OPCODE_INVALID_SESSION) {
     imcb_error(ic, "Invalid session, reconnecting");

src/discord-websockets.c

@@ -121,7 +121,9 @@ static gboolean discord_ws_heartbeat_timeout(gpointer data, gint fd,
                                              b_input_condition cond)
 {
   struct im_connection *ic = data;
-  imcb_log(ic, "Heartbeat timed out, reconnecting...");
+  if (set_getbool(&ic->acc->set, "verbose")) {
+    imcb_log(ic, "Heartbeat timed out, reconnecting...");
+  }
   discord_soft_reconnect(ic);
   return FALSE;
 }

src/discord.c

@@ -113,6 +113,8 @@ static void discord_init(account_t *acc)
   s = set_add(&acc->set, "friendship_mode", "on", set_eval_bool, acc);
   s->flags |= ACC_SET_OFFLINE_ONLY;
 
+  s = set_add(&acc->set, "verbose", "off", set_eval_bool, acc);
+
   acc->flags |= ACC_FLAG_AWAY_MESSAGE;
   acc->flags |= ACC_FLAG_STATUS_MESSAGE;
 
@@ -155,7 +157,9 @@ void discord_soft_reconnect(struct im_connection *ic)
 {
   discord_data *dd = ic->proto_data;
 
-  imcb_log(ic, "Performing soft-reconnect");
+  if (set_getbool(&ic->acc->set, "verbose")) {
+    imcb_log(ic, "Performing soft-reconnect");
+  }
   discord_ws_cleanup(dd);
   dd->reconnecting = TRUE;
   discord_do_login(ic);