diff options
Diffstat (limited to 'src/SocketWriter.cpp')
-rw-r--r-- | src/SocketWriter.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
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 |