From 82ab6f73fab060860addb30691d0e926b4723ee2 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 7 Feb 2015 01:05:13 +0000
Subject: Demodularize socket stuff.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5535 a436a847-0d15-0410-975c-d299462d15a1
---
 src/SocketWriter.cpp | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 src/SocketWriter.cpp

(limited to 'src/SocketWriter.cpp')

diff --git a/src/SocketWriter.cpp b/src/SocketWriter.cpp
new file mode 100644
index 00000000..8ce8354a
--- /dev/null
+++ b/src/SocketWriter.cpp
@@ -0,0 +1,96 @@
+/*
+  This file is part of Ingen.
+  Copyright 2012-2015 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include "ingen/SocketWriter.hpp"
+#include "ingen/URIMap.hpp"
+
+#ifndef MSG_NOSIGNAL
+#    define MSG_NOSIGNAL 0
+#endif
+
+namespace Ingen {
+
+static size_t
+socket_sink(const void* buf, size_t len, void* stream)
+{
+	SocketWriter* writer = (SocketWriter*)stream;
+	ssize_t       ret    = send(writer->fd(), buf, len, MSG_NOSIGNAL);
+	if (ret < 0) {
+		return 0;
+	}
+	return ret;
+}
+
+SocketWriter::SocketWriter(URIMap&            map,
+                           URIs&              uris,
+                           const Raul::URI&   uri,
+                           SPtr<Raul::Socket> sock)
+	: AtomWriter(map, uris, *this)
+	, _map(map)
+	, _sratom(sratom_new(&map.urid_map_feature()->urid_map))
+	, _uri(uri)
+	, _socket(sock)
+{
+	// Use <ingen:/root/> as base URI so e.g. </foo/bar> will be a path
+	_base = serd_node_from_string(SERD_URI, (const uint8_t*)"ingen:/root/");
+
+	serd_uri_parse(_base.buf, &_base_uri);
+
+	_env    = serd_env_new(&_base);
+	_writer = serd_writer_new(
+		SERD_TURTLE,
+		(SerdStyle)(SERD_STYLE_RESOLVED|SERD_STYLE_ABBREVIATED|SERD_STYLE_CURIED),
+		_env,
+		&_base_uri,
+		socket_sink,
+		this);
+
+	sratom_set_sink(_sratom,
+	                (const char*)_base.buf,
+	                (SerdStatementSink)serd_writer_write_statement,
+	                (SerdEndSink)serd_writer_end_anon,
+	                _writer);
+}
+
+SocketWriter::~SocketWriter()
+{
+	sratom_free(_sratom);
+}
+
+bool
+SocketWriter::write(const LV2_Atom* msg)
+{
+	sratom_write(_sratom, &_map.urid_unmap_feature()->urid_unmap, 0,
+	             NULL, NULL, msg->type, msg->size, LV2_ATOM_BODY_CONST(msg));
+	serd_writer_finish(_writer);
+	return true;
+}
+
+void
+SocketWriter::bundle_end()
+{
+	AtomWriter::bundle_end();
+
+	// Send a NULL byte to indicate end of bundle
+	const char end[] = { 0 };
+	send(fd(), end, 1, MSG_NOSIGNAL);
+}
+
+} // namespace Ingen
-- 
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