client: splitted client.c into several pieces

The soure file client.c has nearly 1000 lines, time for splitting it
into smaller pieces to improve readability.

1 files changed, 123 insertions, 0 deletions

diff --git a/src/client_new.c b/src/client_new.c
new file mode 100644
index 000000000..bc7ee2140
--- /dev/null
+++ b/src/client_new.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2003-2009 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 "client_internal.h"
+#include "fifo_buffer.h"
+#include "socket_util.h"
+#include "permission.h"
+#include "config.h"
+
+#include <assert.h>
+#include <unistd.h>
+
+#define LOG_LEVEL_SECURE G_LOG_LEVEL_INFO
+
+static const char GREETING[] = "OK MPD " PROTOCOL_VERSION "\n";
+
+void client_new(int fd, const struct sockaddr *sa, size_t sa_length, int uid)
+{
+	static unsigned int next_client_num;
+	struct client *client;
+	char *remote;
+
+	assert(fd >= 0);
+
+	if (client_list_is_full()) {
+		g_warning("Max Connections Reached!");
+		close(fd);
+		return;
+	}
+
+	client = g_new0(struct client, 1);
+
+#ifndef G_OS_WIN32
+	client->channel = g_io_channel_unix_new(fd);
+#else
+	client->channel = g_io_channel_win32_new_socket(fd);
+#endif
+	/* GLib is responsible for closing the file descriptor */
+	g_io_channel_set_close_on_unref(client->channel, true);
+	/* NULL encoding means the stream is binary safe; the MPD
+	   protocol is UTF-8 only, but we are doing this call anyway
+	   to prevent GLib from messing around with the stream */
+	g_io_channel_set_encoding(client->channel, NULL, NULL);
+	/* we prefer to do buffering */
+	g_io_channel_set_buffered(client->channel, false);
+
+	client->source_id = g_io_add_watch(client->channel,
+					   G_IO_IN|G_IO_ERR|G_IO_HUP,
+					   client_in_event, client);
+
+	client->input = fifo_buffer_new(4096);
+
+	client->permission = getDefaultPermissions();
+	client->uid = uid;
+
+	client->last_activity = g_timer_new();
+
+	client->cmd_list = NULL;
+	client->cmd_list_OK = -1;
+	client->cmd_list_size = 0;
+
+	client->deferred_send = g_queue_new();
+	client->deferred_bytes = 0;
+	client->num = next_client_num++;
+
+	client->send_buf_used = 0;
+
+	(void)write(fd, GREETING, sizeof(GREETING) - 1);
+
+	client_list_add(client);
+
+	remote = sockaddr_to_string(sa, sa_length, NULL);
+	g_log(G_LOG_DOMAIN, LOG_LEVEL_SECURE,
+	      "[%u] opened from %s", client->num, remote);
+	g_free(remote);
+}
+
+static void
+deferred_buffer_free(gpointer data, G_GNUC_UNUSED gpointer user_data)
+{
+	struct deferred_buffer *buffer = data;
+	g_free(buffer);
+}
+
+void
+client_close(struct client *client)
+{
+	client_list_remove(client);
+
+	client_set_expired(client);
+
+	g_timer_destroy(client->last_activity);
+
+	if (client->cmd_list) {
+		free_cmd_list(client->cmd_list);
+		client->cmd_list = NULL;
+	}
+
+	g_queue_foreach(client->deferred_send, deferred_buffer_free, NULL);
+	g_queue_free(client->deferred_send);
+
+	fifo_buffer_free(client->input);
+
+	g_log(G_LOG_DOMAIN, LOG_LEVEL_SECURE,
+	      "[%u] closed", client->num);
+	g_free(client);
+}