tcp_socket, ...: remove obsolet RAOP sources

6 files changed, 0 insertions, 976 deletions

diff --git a/src/tcp_connect.c b/src/tcp_connect.c
deleted file mode 100644
index 291114f4b..000000000
--- a/src/tcp_connect.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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 "tcp_connect.h"
-#include "fd_util.h"
-#include "io_thread.h"
-#include "glib_socket.h"
-
-#include <assert.h>
-#include <errno.h>
-
-#ifdef WIN32
-#include <ws2tcpip.h>
-#include <winsock.h>
-#else
-#include <sys/socket.h>
-#include <unistd.h>
-#endif
-
-struct tcp_connect {
-	const struct tcp_connect_handler *handler;
-	void *handler_ctx;
-
-	int fd;
-	GSource *source;
-
-	unsigned timeout_ms;
-	GSource *timeout_source;
-};
-
-static bool
-is_in_progress_errno(int e)
-{
-#ifdef WIN32
-	return e == WSAEINPROGRESS || e == WSAEWOULDBLOCK;
-#else
-	return e == EINPROGRESS;
-#endif
-}
-
-static gboolean
-tcp_connect_event(G_GNUC_UNUSED GIOChannel *source,
-		  G_GNUC_UNUSED GIOCondition condition,
-		  gpointer data)
-{
-	struct tcp_connect *c = data;
-
-	assert(c->source != NULL);
-	assert(c->timeout_source != NULL);
-
-	/* clear the socket source */
-	g_source_unref(c->source);
-	c->source = NULL;
-
-	/* delete the timeout source */
-	g_source_destroy(c->timeout_source);
-	g_source_unref(c->timeout_source);
-	c->timeout_source = NULL;
-
-	/* obtain the connect result */
-	int s_err = 0;
-	socklen_t s_err_size = sizeof(s_err);
-	if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR,
-		       (char*)&s_err, &s_err_size) < 0)
-		s_err = errno;
-
-	if (s_err == 0) {
-		/* connection established successfully */
-
-		c->handler->success(c->fd, c->handler_ctx);
-	} else {
-		/* there was an I/O error; close the socket and pass
-		   the error to the handler */
-
-		close_socket(c->fd);
-
-		GError *error =
-			g_error_new_literal(g_file_error_quark(), s_err,
-					    g_strerror(s_err));
-		c->handler->error(error, c->handler_ctx);
-	}
-
-	return false;
-}
-
-static gboolean
-tcp_connect_timeout(gpointer data)
-{
-	struct tcp_connect *c = data;
-
-	assert(c->source != NULL);
-	assert(c->timeout_source != NULL);
-
-	/* clear the timeout source */
-	g_source_unref(c->timeout_source);
-	c->timeout_source = NULL;
-
-	/* delete the socket source */
-	g_source_destroy(c->source);
-	g_source_unref(c->source);
-	c->source = NULL;
-
-	/* report timeout to handler */
-	c->handler->timeout(c->handler_ctx);
-
-	return false;
-}
-
-static gpointer
-tcp_connect_init(gpointer data)
-{
-	struct tcp_connect *c = data;
-
-	/* create a connect source */
-	GIOChannel *channel = g_io_channel_new_socket(c->fd);
-	c->source = g_io_create_watch(channel, G_IO_OUT);
-	g_io_channel_unref(channel);
-
-	g_source_set_callback(c->source, (GSourceFunc)tcp_connect_event, c,
-			      NULL);
-	g_source_attach(c->source, io_thread_context());
-
-	/* create a timeout source */
-	if (c->timeout_ms > 0)
-		c->timeout_source =
-			io_thread_timeout_add(c->timeout_ms,
-					      tcp_connect_timeout, c);
-
-	return NULL;
-}
-
-void
-tcp_connect_address(const struct sockaddr *address, size_t address_length,
-		    unsigned timeout_ms,
-		    const struct tcp_connect_handler *handler, void *ctx,
-		    struct tcp_connect **handle_r)
-{
-	assert(address != NULL);
-	assert(address_length > 0);
-	assert(handler != NULL);
-	assert(handler->success != NULL);
-	assert(handler->error != NULL);
-	assert(handler->canceled != NULL);
-	assert(handler->timeout != NULL || timeout_ms == 0);
-	assert(handle_r != NULL);
-	assert(*handle_r == NULL);
-
-	int fd = socket_cloexec_nonblock(address->sa_family, SOCK_STREAM, 0);
-	if (fd < 0) {
-		GError *error =
-			g_error_new_literal(g_file_error_quark(), errno,
-					    g_strerror(errno));
-		handler->error(error, ctx);
-		return;
-	}
-
-	int ret = connect(fd, address, address_length);
-	if (ret >= 0) {
-		/* quick connect, no I/O thread */
-		handler->success(fd, ctx);
-		return;
-	}
-
-	if (!is_in_progress_errno(errno)) {
-		GError *error =
-			g_error_new_literal(g_file_error_quark(), errno,
-					    g_strerror(errno));
-		close_socket(fd);
-		handler->error(error, ctx);
-		return;
-	}
-
-	/* got EINPROGRESS, use the I/O thread to wait for the
-	   operation to finish */
-
-	struct tcp_connect *c = g_new(struct tcp_connect, 1);
-	c->handler = handler;
-	c->handler_ctx = ctx;
-	c->fd = fd;
-	c->source = NULL;
-	c->timeout_ms = timeout_ms;
-	c->timeout_source = NULL;
-
-	*handle_r = c;
-
-	io_thread_call(tcp_connect_init, c);
-}
-
-static gpointer
-tcp_connect_cancel_callback(gpointer data)
-{
-	struct tcp_connect *c = data;
-
-	assert((c->source == NULL) == (c->timeout_source == NULL));
-
-	if (c->source == NULL)
-		return NULL;
-
-	/* delete the socket source */
-	g_source_destroy(c->source);
-	g_source_unref(c->source);
-	c->source = NULL;
-
-	/* delete the timeout source */
-	g_source_destroy(c->timeout_source);
-	g_source_unref(c->timeout_source);
-	c->timeout_source = NULL;
-
-	/* close the socket */
-	close_socket(c->fd);
-
-	/* notify the handler */
-	c->handler->canceled(c->handler_ctx);
-
-	return NULL;
-}
-
-void
-tcp_connect_cancel(struct tcp_connect *c)
-{
-	if (c->source == NULL)
-		return;
-
-	io_thread_call(tcp_connect_cancel_callback, c);
-}
-
-void
-tcp_connect_free(struct tcp_connect *c)
-{
-	assert(c->source == NULL);
-
-	g_free(c);
-}
diff --git a/src/tcp_connect.h b/src/tcp_connect.h
deleted file mode 100644
index bdbe85c14..000000000
--- a/src/tcp_connect.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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.
- */
-
-#ifndef MPD_TCP_CONNECT_H
-#define MPD_TCP_CONNECT_H
-
-#include <glib.h>
-
-struct sockaddr;
-
-struct tcp_connect_handler {
-	/**
-	 * The connection was established successfully.
-	 *
-	 * @param fd a file descriptor that must be closed with
-	 * close_socket() when finished
-	 */
-	void (*success)(int fd, void *ctx);
-
-	/**
-	 * An error has occurred.  The method is responsible for
-	 * freeing the GError.
-	 */
-	void (*error)(GError *error, void *ctx);
-
-	/**
-	 * The connection could not be established in the specified
-	 * time span.
-	 */
-	void (*timeout)(void *ctx);
-
-	/**
-	 * The operation was canceled before a result was available.
-	 */
-	void (*canceled)(void *ctx);
-};
-
-struct tcp_connect;
-
-/**
- * Establish a TCP connection to the specified address.
- *
- * Note that the result may be available before this function returns.
- *
- * The caller must free this object with tcp_connect_free().
- *
- * @param timeout_ms time out after this number of milliseconds; 0
- * means no timeout
- * @param handle_r a handle that can be used to cancel the operation;
- * the caller must initialize it to NULL
- */
-void
-tcp_connect_address(const struct sockaddr *address, size_t address_length,
-		    unsigned timeout_ms,
-		    const struct tcp_connect_handler *handler, void *ctx,
-		    struct tcp_connect **handle_r);
-
-/**
- * Cancel the operation.  It is possible that the result is delivered
- * before the operation has been canceled; in that case, the
- * canceled() handler method will not be invoked.
- *
- * Even after calling this function, tcp_connect_free() must still be
- * called to free memory.
- */
-void
-tcp_connect_cancel(struct tcp_connect *handle);
-
-/**
- * Free memory used by this object.
- *
- * This function is not thread safe.  It must not be called while
- * other threads are still working with it.  If no callback has been
- * invoked so far, then you must call tcp_connect_cancel() to release
- * I/O thread resources, before calling this function.
- */
-void
-tcp_connect_free(struct tcp_connect *handle);
-
-#endif
diff --git a/src/tcp_socket.c b/src/tcp_socket.c
deleted file mode 100644
index bfed4dc56..000000000
--- a/src/tcp_socket.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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 "tcp_socket.h"
-#include "fifo_buffer.h"
-#include "io_thread.h"
-#include "glib_socket.h"
-
-#include <assert.h>
-#include <string.h>
-
-#ifdef WIN32
-#include <ws2tcpip.h>
-#include <winsock.h>
-#else
-#include <sys/socket.h>
-#include <netinet/in.h>
-#endif
-
-struct tcp_socket {
-	const struct tcp_socket_handler *handler;
-	void *handler_ctx;
-
-	GMutex *mutex;
-
-	GIOChannel *channel;
-	GSource *in_source, *out_source;
-
-	struct fifo_buffer *input, *output;
-};
-
-static gboolean
-tcp_event(GIOChannel *source, GIOCondition condition, gpointer data);
-
-static void
-tcp_socket_schedule_read(struct tcp_socket *s)
-{
-	assert(s->input != NULL);
-	assert(!fifo_buffer_is_full(s->input));
-
-	if (s->in_source != NULL)
-		return;
-
-	s->in_source = g_io_create_watch(s->channel,
-					 G_IO_IN|G_IO_ERR|G_IO_HUP);
-	g_source_set_callback(s->in_source, (GSourceFunc)tcp_event, s, NULL);
-	g_source_attach(s->in_source, io_thread_context());
-}
-
-static void
-tcp_socket_unschedule_read(struct tcp_socket *s)
-{
-	if (s->in_source == NULL)
-		return;
-
-	g_source_destroy(s->in_source);
-	g_source_unref(s->in_source);
-	s->in_source = NULL;
-}
-
-static void
-tcp_socket_schedule_write(struct tcp_socket *s)
-{
-	assert(s->output != NULL);
-	assert(!fifo_buffer_is_empty(s->output));
-
-	if (s->out_source != NULL)
-		return;
-
-	s->out_source = g_io_create_watch(s->channel, G_IO_OUT);
-	g_source_set_callback(s->out_source, (GSourceFunc)tcp_event, s, NULL);
-	g_source_attach(s->out_source, io_thread_context());
-}
-
-static void
-tcp_socket_unschedule_write(struct tcp_socket *s)
-{
-	if (s->out_source == NULL)
-		return;
-
-	g_source_destroy(s->out_source);
-	g_source_unref(s->out_source);
-	s->out_source = NULL;
-}
-
-/**
- * Close the socket.  Caller must lock the mutex.
- */
-static void
-tcp_socket_close(struct tcp_socket *s)
-{
-	tcp_socket_unschedule_read(s);
-	tcp_socket_unschedule_write(s);
-
-	if (s->channel != NULL) {
-		g_io_channel_unref(s->channel);
-		s->channel = NULL;
-	}
-
-	if (s->input != NULL) {
-		fifo_buffer_free(s->input);
-		s->input = NULL;
-	}
-
-	if (s->output != NULL) {
-		fifo_buffer_free(s->output);
-		s->output = NULL;
-	}
-}
-
-static gpointer
-tcp_socket_close_callback(gpointer data)
-{
-	struct tcp_socket *s = data;
-
-	g_mutex_lock(s->mutex);
-	tcp_socket_close(s);
-	g_mutex_unlock(s->mutex);
-
-	return NULL;
-}
-
-static void
-tcp_socket_close_indirect(struct tcp_socket *s)
-{
-	io_thread_call(tcp_socket_close_callback, s);
-
-	assert(s->channel == NULL);
-	assert(s->in_source == NULL);
-	assert(s->out_source == NULL);
-}
-
-static void
-tcp_handle_input(struct tcp_socket *s)
-{
-	size_t length;
-	const void *p = fifo_buffer_read(s->input, &length);
-	if (p == NULL)
-		return;
-
-	g_mutex_unlock(s->mutex);
-	size_t consumed = s->handler->data(p, length, s->handler_ctx);
-	g_mutex_lock(s->mutex);
-	if (consumed > 0 && s->input != NULL)
-		fifo_buffer_consume(s->input, consumed);
-}
-
-static bool
-tcp_in_event(struct tcp_socket *s)
-{
-	assert(s != NULL);
-	assert(s->channel != NULL);
-
-	g_mutex_lock(s->mutex);
-
-	size_t max_length;
-	void *p = fifo_buffer_write(s->input, &max_length);
-	if (p == NULL) {
-		GError *error = g_error_new_literal(tcp_socket_quark(), 0,
-						    "buffer overflow");
-		tcp_socket_close(s);
-		g_mutex_unlock(s->mutex);
-		s->handler->error(error, s->handler_ctx);
-		return false;
-	}
-
-	gsize bytes_read;
-	GError *error = NULL;
-	GIOStatus status = g_io_channel_read_chars(s->channel,
-						   p, max_length,
-						   &bytes_read, &error);
-	switch (status) {
-	case G_IO_STATUS_NORMAL:
-		fifo_buffer_append(s->input, bytes_read);
-		tcp_handle_input(s);
-		g_mutex_unlock(s->mutex);
-		return true;
-
-	case G_IO_STATUS_AGAIN:
-		/* try again later */
-		g_mutex_unlock(s->mutex);
-		return true;
-
-	case G_IO_STATUS_EOF:
-		/* peer disconnected */
-		tcp_socket_close(s);
-		g_mutex_unlock(s->mutex);
-		s->handler->disconnected(s->handler_ctx);
-		return false;
-
-	case G_IO_STATUS_ERROR:
-		/* I/O error */
-		tcp_socket_close(s);
-		g_mutex_unlock(s->mutex);
-		s->handler->error(error, s->handler_ctx);
-		return false;
-	}
-
-	/* unreachable */
-	assert(false);
-	return true;
-}
-
-static bool
-tcp_out_event(struct tcp_socket *s)
-{
-	assert(s != NULL);
-	assert(s->channel != NULL);
-
-	g_mutex_lock(s->mutex);
-
-	size_t length;
-	const void *p = fifo_buffer_read(s->output, &length);
-	if (p == NULL) {
-		/* no more data in the output buffer, remove the
-		   output event */
-		tcp_socket_unschedule_write(s);
-		g_mutex_unlock(s->mutex);
-		return false;
-	}
-
-	gsize bytes_written;
-	GError *error = NULL;
-	GIOStatus status = g_io_channel_write_chars(s->channel, p, length,
-						    &bytes_written, &error);
-	switch (status) {
-	case G_IO_STATUS_NORMAL:
-		fifo_buffer_consume(s->output, bytes_written);
-		g_mutex_unlock(s->mutex);
-		return true;
-
-	case G_IO_STATUS_AGAIN:
-		tcp_socket_schedule_write(s);
-		g_mutex_unlock(s->mutex);
-		return true;
-
-	case G_IO_STATUS_EOF:
-		/* peer disconnected */
-		tcp_socket_close(s);
-		g_mutex_unlock(s->mutex);
-		s->handler->disconnected(s->handler_ctx);
-		return false;
-
-	case G_IO_STATUS_ERROR:
-		/* I/O error */
-		tcp_socket_close(s);
-		g_mutex_unlock(s->mutex);
-		s->handler->error(error, s->handler_ctx);
-		return false;
-	}
-
-	/* unreachable */
-	g_mutex_unlock(s->mutex);
-	assert(false);
-	return true;
-}
-
-static gboolean
-tcp_event(G_GNUC_UNUSED GIOChannel *source, GIOCondition condition,
-	  gpointer data)
-{
-	struct tcp_socket *s = data;
-
-	assert(source == s->channel);
-
-	switch (condition) {
-	case G_IO_IN:
-	case G_IO_PRI:
-		return tcp_in_event(s);
-
-	case G_IO_OUT:
-		return tcp_out_event(s);
-
-	case G_IO_ERR:
-	case G_IO_HUP:
-	case G_IO_NVAL:
-		tcp_socket_close(s);
-		s->handler->disconnected(s->handler_ctx);
-		return false;
-	}
-
-	/* unreachable */
-	assert(false);
-	return false;
-}
-
-struct tcp_socket *
-tcp_socket_new(int fd,
-	       const struct tcp_socket_handler *handler, void *ctx)
-{
-	assert(fd >= 0);
-	assert(handler != NULL);
-	assert(handler->data != NULL);
-	assert(handler->error != NULL);
-	assert(handler->disconnected != NULL);
-
-	struct tcp_socket *s = g_new(struct tcp_socket, 1);
-	s->handler = handler;
-	s->handler_ctx = ctx;
-	s->mutex = g_mutex_new();
-
-	g_mutex_lock(s->mutex);
-
-	s->channel = g_io_channel_new_socket(fd);
-	/* GLib is responsible for closing the file descriptor */
-	g_io_channel_set_close_on_unref(s->channel, true);
-	/* NULL encoding means the stream is binary safe */
-	g_io_channel_set_encoding(s->channel, NULL, NULL);
-	/* no buffering */
-	g_io_channel_set_buffered(s->channel, false);
-
-	s->input = fifo_buffer_new(4096);
-	s->output = fifo_buffer_new(4096);
-
-	s->in_source = NULL;
-	s->out_source = NULL;
-
-	tcp_socket_schedule_read(s);
-
-	g_mutex_unlock(s->mutex);
-
-	return s;
-}
-
-void
-tcp_socket_free(struct tcp_socket *s)
-{
-	tcp_socket_close_indirect(s);
-	g_mutex_free(s->mutex);
-	g_free(s);
-}
-
-bool
-tcp_socket_send(struct tcp_socket *s, const void *data, size_t length)
-{
-	assert(s != NULL);
-
-	g_mutex_lock(s->mutex);
-
-	if (s->output == NULL || s->channel == NULL) {
-		/* already disconnected */
-		g_mutex_unlock(s->mutex);
-		return false;
-	}
-
-	size_t max_length;
-	void *p = fifo_buffer_write(s->output, &max_length);
-	if (p == NULL || max_length < length) {
-		/* buffer is full */
-		g_mutex_unlock(s->mutex);
-		return false;
-	}
-
-	memcpy(p, data, length);
-	fifo_buffer_append(s->output, length);
-	tcp_socket_schedule_write(s);
-
-	g_mutex_unlock(s->mutex);
-	return true;
-}
-
diff --git a/src/tcp_socket.h b/src/tcp_socket.h
deleted file mode 100644
index b6b367b86..000000000
--- a/src/tcp_socket.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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.
- */
-
-#ifndef MPD_TCP_SOCKET_H
-#define MPD_TCP_SOCKET_H
-
-#include <glib.h>
-
-#include <stdbool.h>
-#include <stddef.h>
-
-struct sockaddr;
-
-struct tcp_socket_handler {
-	/**
-	 * New data has arrived.
-	 *
-	 * @return the number of bytes consumed; 0 if more data is
-	 * needed
-	 */
-	size_t (*data)(const void *data, size_t length, void *ctx);
-
-	void (*error)(GError *error, void *ctx);
-
-	void (*disconnected)(void *ctx);
-};
-
-static inline GQuark
-tcp_socket_quark(void)
-{
-	return g_quark_from_static_string("tcp_socket");
-}
-
-G_GNUC_MALLOC
-struct tcp_socket *
-tcp_socket_new(int fd,
-	       const struct tcp_socket_handler *handler, void *ctx);
-
-void
-tcp_socket_free(struct tcp_socket *s);
-
-bool
-tcp_socket_send(struct tcp_socket *s, const void *data, size_t length);
-
-#endif
diff --git a/src/udp_server.c b/src/udp_server.c
deleted file mode 100644
index f96b40b6b..000000000
--- a/src/udp_server.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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 "udp_server.h"
-#include "io_thread.h"
-#include "glib_socket.h"
-#include "gcc.h"
-
-#include <glib.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include <errno.h>
-
-#ifdef WIN32
-#include <ws2tcpip.h>
-#include <winsock.h>
-#else
-#include <sys/socket.h>
-#include <netinet/in.h>
-#endif
-
-#if GCC_CHECK_VERSION(4, 2)
-/* allow C99 initialisers on struct sockaddr_in, even if the
-   (non-portable) attribute "sin_zero" is missing */
-#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
-#endif
-
-struct udp_server {
-	const struct udp_server_handler *handler;
-	void *handler_ctx;
-
-	int fd;
-	GIOChannel *channel;
-	GSource *source;
-
-	char buffer[8192];
-};
-
-static gboolean
-udp_in_event(G_GNUC_UNUSED GIOChannel *source,
-	     G_GNUC_UNUSED GIOCondition condition,
-	     gpointer data)
-{
-	struct udp_server *udp = data;
-
-	struct sockaddr_storage address_storage;
-	struct sockaddr *address = (struct sockaddr *)&address_storage;
-	socklen_t address_length = sizeof(address_storage);
-
-	ssize_t nbytes = recvfrom(udp->fd, udp->buffer, sizeof(udp->buffer),
-#ifdef WIN32
-				  0,
-#else
-				  MSG_DONTWAIT,
-#endif
-				  address, &address_length);
-	if (nbytes <= 0)
-		return true;
-
-	udp->handler->datagram(udp->fd, udp->buffer, nbytes,
-			       address, address_length, udp->handler_ctx);
-	return true;
-}
-
-struct udp_server *
-udp_server_new(unsigned port,
-	       const struct udp_server_handler *handler, void *ctx,
-	       GError **error_r)
-{
-	int fd = socket(PF_INET, SOCK_DGRAM, 0);
-	if (fd < 0) {
-		g_set_error(error_r, udp_server_quark(), errno,
-			    "failed to create UDP socket: %s",
-			    g_strerror(errno));
-		return NULL;
-	}
-
-	const struct sockaddr_in address = {
-		.sin_family = AF_INET,
-		.sin_addr = {
-			.s_addr = htonl(INADDR_ANY),
-		},
-		.sin_port = htons(port),
-#if defined(__linux__) && !GCC_CHECK_VERSION(4, 2)
-		.sin_zero = { 0 },
-#endif
-	};
-
-	if (bind(fd, (const struct sockaddr *)&address, sizeof(address)) < 0) {
-		g_set_error(error_r, udp_server_quark(), errno,
-			    "failed to bind UDP port %u: %s",
-			    port, g_strerror(errno));
-		close(fd);
-		return NULL;
-	}
-
-	struct udp_server *udp = g_new(struct udp_server, 1);
-	udp->handler = handler;
-	udp->handler_ctx = ctx;
-
-	udp->fd = fd;
-	udp->channel = g_io_channel_new_socket(fd);
-	/* NULL encoding means the stream is binary safe */
-	g_io_channel_set_encoding(udp->channel, NULL, NULL);
-	/* no buffering */
-	g_io_channel_set_buffered(udp->channel, false);
-
-	udp->source = g_io_create_watch(udp->channel, G_IO_IN);
-	g_source_set_callback(udp->source, (GSourceFunc)udp_in_event, udp,
-			      NULL);
-	g_source_attach(udp->source, io_thread_context());
-
-	return udp;
-}
-
-void
-udp_server_free(struct udp_server *udp)
-{
-	g_source_destroy(udp->source);
-	g_source_unref(udp->source);
-	g_io_channel_unref(udp->channel);
-	close(udp->fd);
-	g_free(udp);
-}
diff --git a/src/udp_server.h b/src/udp_server.h
deleted file mode 100644
index 9e3471a45..000000000
--- a/src/udp_server.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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.
- */
-
-#ifndef MPD_UDP_SERVER_H
-#define MPD_UDP_SERVER_H
-
-#include <glib.h>
-
-#include <stddef.h>
-
-struct sockaddr;
-
-struct udp_server_handler {
-	/**
-	 * A datagram was received.
-	 */
-	void (*datagram)(int fd, const void *data, size_t length,
-			 const struct sockaddr *source_address,
-			 size_t source_address_length, void *ctx);
-};
-
-static inline GQuark
-udp_server_quark(void)
-{
-	return g_quark_from_static_string("udp_server");
-}
-
-struct udp_server *
-udp_server_new(unsigned port,
-	       const struct udp_server_handler *handler, void *ctx,
-	       GError **error_r);
-
-void
-udp_server_free(struct udp_server *udp);
-
-#endif