client: convert to C++

src/ClientEvent.cxx

@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "ClientInternal.hxx"
+#include "Main.hxx"
+
+#include <assert.h>
+
+static gboolean
+client_out_event(G_GNUC_UNUSED GIOChannel *source, GIOCondition condition,
+		 gpointer data)
+{
+	struct client *client = (struct client *)data;
+
+	assert(!client_is_expired(client));
+
+	if (condition != G_IO_OUT) {
+		client_set_expired(client);
+		return false;
+	}
+
+	client_write_deferred(client);
+
+	if (client_is_expired(client)) {
+		client_close(client);
+		return false;
+	}
+
+	g_timer_start(client->last_activity);
+
+	if (g_queue_is_empty(client->deferred_send)) {
+		/* done sending deferred buffers exist: schedule
+		   read */
+		client->source_id = g_io_add_watch(client->channel,
+						   GIOCondition(G_IO_IN|G_IO_ERR|G_IO_HUP),
+						   client_in_event, client);
+		return false;
+	}
+
+	/* write more */
+	return true;
+}
+
+gboolean
+client_in_event(G_GNUC_UNUSED GIOChannel *source, GIOCondition condition,
+		gpointer data)
+{
+	struct client *client = (struct client *)data;
+	enum command_return ret;
+
+	assert(!client_is_expired(client));
+
+	if (condition != G_IO_IN) {
+		client_set_expired(client);
+		return false;
+	}
+
+	g_timer_start(client->last_activity);
+
+	ret = client_read(client);
+	switch (ret) {
+	case COMMAND_RETURN_OK:
+	case COMMAND_RETURN_IDLE:
+	case COMMAND_RETURN_ERROR:
+		break;
+
+	case COMMAND_RETURN_KILL:
+		client_close(client);
+		g_main_loop_quit(main_loop);
+		return false;
+
+	case COMMAND_RETURN_CLOSE:
+		client_close(client);
+		return false;
+	}
+
+	if (client_is_expired(client)) {
+		client_close(client);
+		return false;
+	}
+
+	if (!g_queue_is_empty(client->deferred_send)) {
+		/* deferred buffers exist: schedule write */
+		client->source_id = g_io_add_watch(client->channel,
+						   GIOCondition(G_IO_OUT|G_IO_ERR|G_IO_HUP),
+						   client_out_event, client);
+		return false;
+	}
+
+	/* read more */
+	return true;
+}