From c52f3538945d16e2cfcabb8d080005867f256ba2 Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p.janouch@gmail.com>
Date: Sat, 9 May 2015 23:30:04 +0200
Subject: degesch: implement /disconnect

One bug remaining to make it work.
---
 degesch.c | 44 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 36 insertions(+), 8 deletions(-)

diff --git a/degesch.c b/degesch.c
index e85f013..0f4cd6e 100644
--- a/degesch.c
+++ b/degesch.c
@@ -985,8 +985,10 @@ enum server_state
 struct server
 {
 	struct app_context *ctx;            ///< Application context
+
 	bool reconnect;                     ///< Whether to reconnect on conn. fail.
 	unsigned long reconnect_delay;      ///< Reconnect delay in seconds
+	bool manual_disconnect;             ///< Don't reconnect
 
 	enum server_state state;            ///< Connection state
 	struct connector *connector;        ///< Connection establisher
@@ -2769,10 +2771,24 @@ on_irc_disconnected (struct server *s)
 
 	if (s->ctx->quitting)
 		try_finish_quit (s->ctx);
+	else if (s->manual_disconnect)
+		s->manual_disconnect = false;
 	else
 		irc_queue_reconnect (s);
 }
 
+static void
+irc_initiate_disconnect (struct server *s, const char *reason)
+{
+	hard_assert (irc_is_connected (s));
+
+	s->manual_disconnect = true;
+	if (reason)
+		irc_send (s, "QUIT :%s", reason);
+	else
+		irc_send (s, "QUIT :%s", PROGRAM_NAME " " PROGRAM_VERSION);
+}
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 static void
@@ -4697,12 +4713,7 @@ handle_command_quit (struct app_context *ctx, char *arguments)
 	// TODO: multiserver
 	struct server *s = &ctx->server;
 	if (irc_is_connected (s))
-	{
-		if (*arguments)
-			irc_send (s, "QUIT :%s", arguments);
-		else
-			irc_send (s, "QUIT :%s", PROGRAM_NAME " " PROGRAM_VERSION);
-	}
+		irc_initiate_disconnect (s, *arguments ? arguments : NULL);
 	initiate_quit (ctx);
 	return true;
 }
@@ -4781,6 +4792,23 @@ handle_command_connect (struct app_context *ctx, char *arguments)
 	return true;
 }
 
+static bool
+handle_command_disconnect (struct app_context *ctx, char *arguments)
+{
+	// TODO: multiserver
+	struct server *s = &ctx->server;
+	if (s->state == IRC_CONNECTING)
+	{
+		buffer_send_status (ctx, s->buffer, "Connecting aborted");
+		irc_destroy_connector (s);
+	}
+	else if (!irc_is_connected (s))
+		buffer_send_error (ctx, s->buffer, "Not connected");
+	else
+		irc_initiate_disconnect (s, *arguments ? arguments : NULL);
+	return true;
+}
+
 static bool
 handle_command_list (struct app_context *ctx, char *arguments)
 {
@@ -4885,8 +4913,8 @@ g_command_handlers[] =
 	  NULL,
 	  handle_command_connect },
 	{ "disconnect", "Disconnect from the server",
-	  NULL,
-	  NULL },
+	  "[reason]",
+	  handle_command_disconnect },
 	{ "list",       "List channels and their topic",
 	  "[<channel>[,<channel>...]] [server]",
 	  handle_command_list },
-- 
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