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-rw-r--r--src/socket/SocketReceiver.cpp149
-rw-r--r--src/socket/SocketReceiver.hpp48
-rw-r--r--src/socket/ingen_socket_server.cpp51
-rw-r--r--src/socket/wscript14
4 files changed, 262 insertions, 0 deletions
diff --git a/src/socket/SocketReceiver.cpp b/src/socket/SocketReceiver.cpp
new file mode 100644
index 00000000..833c90ac
--- /dev/null
+++ b/src/socket/SocketReceiver.cpp
@@ -0,0 +1,149 @@
+/*
+ This file is part of Ingen.
+ Copyright 2007-2012 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 <sys/fcntl.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include "ingen/Interface.hpp"
+#include "ingen/shared/World.hpp"
+#include "ingen/shared/AtomReader.hpp"
+#include "sord/sordmm.hpp"
+#include "sratom/sratom.h"
+#include "SocketReceiver.hpp"
+
+#define LOG(s) s << "[SocketReceiver] "
+
+namespace Ingen {
+namespace Socket {
+
+SocketReceiver::SocketReceiver(Ingen::Shared::World& world,
+ SharedPtr<Interface> iface)
+ : _world(world)
+ , _iface(iface)
+{
+ // Create server socket
+ _sock = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (_sock == -1) {
+ LOG(Raul::error) << "Failed to create socket" << std::endl;
+ return;
+ }
+
+ _sock_path = world.conf()->option("socket").get_string();
+
+ // Make server socket address
+ struct sockaddr_un addr;
+ memset(&addr, 0, sizeof(struct sockaddr_un));
+ addr.sun_family = AF_UNIX;
+ strncpy(addr.sun_path, _sock_path.c_str(), sizeof(addr.sun_path) - 1);
+
+ // Bind socket to address
+ if (bind(_sock, (struct sockaddr*)&addr,
+ sizeof(struct sockaddr_un)) == -1) {
+ LOG(Raul::error) << "Failed to bind socket" << std::endl;
+ return;
+ }
+
+ // Mark socket as a passive socket for accepting incoming connections
+ if (listen(_sock, 64) == -1) {
+ LOG(Raul::error) << "Failed to listen on socket" << std::endl;
+ }
+
+ LOG(Raul::info) << "Opened socket at " << _sock_path << std::endl;
+ start();
+}
+
+SocketReceiver::~SocketReceiver()
+{
+ stop();
+ join();
+ close(_sock);
+ unlink(_sock_path.c_str());
+}
+
+void
+SocketReceiver::_run()
+{
+ while (!_exit_flag) {
+ // Accept connection from client
+ socklen_t client_addr_size = sizeof(struct sockaddr_un);
+ struct sockaddr_un client_addr;
+ int conn = accept(_sock, (struct sockaddr*)&client_addr,
+ &client_addr_size);
+ if (conn == -1) {
+ LOG(Raul::error) << "Error accepting connection" << std::endl;
+ continue;
+ }
+
+ // Set connection to non-blocking so parser can read until EOF
+ // and not block indefinitely waiting for more input
+ fcntl(conn, F_SETFL, fcntl(conn, F_GETFL, 0) | O_NONBLOCK);
+
+ // Set up a reader to parse the Turtle message into a model
+ Sord::World* world = _world.rdf_world();
+ SerdEnv* env = world->prefixes().c_obj();
+ SordModel* model = sord_new(world->c_obj(), SORD_SPO, false);
+ SerdReader* reader = sord_new_reader(model, env, SERD_TURTLE, NULL);
+
+ // Set base URI to path: so e.g. </foo/bar> will be a path
+ SordNode* base_uri = sord_new_uri(
+ world->c_obj(), (const uint8_t*)"path:");
+ serd_env_set_base_uri(env, sord_node_to_serd_node(base_uri));
+
+ LV2_URID_Map* map = &_world.lv2_uri_map()->urid_map_feature()->urid_map;
+
+ // Set up sratom to build an LV2_Atom from the model
+ Sratom* sratom = sratom_new(map);
+ SerdChunk chunk = { NULL, 0 };
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, map);
+ lv2_atom_forge_set_sink(
+ &forge, sratom_forge_sink, sratom_forge_deref, &chunk);
+
+ // Read directly from the connection with serd
+ FILE* f = fdopen(conn, "r");
+ serd_reader_read_file_handle(reader, f, (const uint8_t*)"(socket)");
+
+ // FIXME: Sratom needs work to be able to read resources
+ SordNode* msg_node = sord_new_blank(
+ world->c_obj(), (const uint8_t*)"genid1");
+
+ // Build an LV2_Atom at chunk.buf from the message
+ sratom_read(sratom, &forge, world->c_obj(), model, msg_node);
+
+ // Make an AtomReader to read that atom and do Ingen things
+ Shared::AtomReader ar(*_world.lv2_uri_map().get(),
+ *_world.uris().get(),
+ _world.forge(),
+ *_iface.get());
+
+ // Call _iface methods based on atom content
+ ar.write((LV2_Atom*)chunk.buf);
+
+ // Respond and close connection
+ write(conn, "OK", 2);
+ fclose(f);
+ close(conn);
+
+ sratom_free(sratom);
+ sord_node_free(world->c_obj(), msg_node);
+ serd_reader_free(reader);
+ sord_free(model);
+ }
+}
+
+} // namespace Ingen
+} // namespace Socket
diff --git a/src/socket/SocketReceiver.hpp b/src/socket/SocketReceiver.hpp
new file mode 100644
index 00000000..5c7ea316
--- /dev/null
+++ b/src/socket/SocketReceiver.hpp
@@ -0,0 +1,48 @@
+/*
+ This file is part of Ingen.
+ Copyright 2007-2012 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 <string>
+
+#include "raul/SharedPtr.hpp"
+#include "raul/Thread.hpp"
+
+namespace Ingen {
+
+class Interface;
+
+namespace Shared { class World; }
+
+namespace Socket {
+
+class SocketReceiver : public Raul::Thread
+{
+public:
+ SocketReceiver(Ingen::Shared::World& world,
+ SharedPtr<Interface> iface);
+
+ ~SocketReceiver();
+
+private:
+ virtual void _run();
+
+ Ingen::Shared::World& _world;
+ SharedPtr<Interface> _iface;
+ std::string _sock_path;
+ int _sock;
+};
+
+} // namespace Ingen
+} // namespace Socket
diff --git a/src/socket/ingen_socket_server.cpp b/src/socket/ingen_socket_server.cpp
new file mode 100644
index 00000000..79e2e05e
--- /dev/null
+++ b/src/socket/ingen_socket_server.cpp
@@ -0,0 +1,51 @@
+/*
+ This file is part of Ingen.
+ Copyright 2007-2012 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 "raul/log.hpp"
+
+#include "ingen/shared/Module.hpp"
+#include "ingen/shared/World.hpp"
+
+#include "../server/Engine.hpp"
+#include "../server/ServerInterfaceImpl.hpp"
+
+#include "SocketReceiver.hpp"
+
+using namespace Ingen;
+
+struct IngenSocketServerModule : public Ingen::Shared::Module {
+ void load(Ingen::Shared::World* world) {
+ Server::Engine* engine = (Server::Engine*)world->local_engine().get();
+ SharedPtr<Server::ServerInterfaceImpl> interface(
+ new Server::ServerInterfaceImpl(*engine));
+ receiver = SharedPtr<Ingen::Socket::SocketReceiver>(
+ new Ingen::Socket::SocketReceiver(*world, interface));
+
+ engine->add_event_source(interface);
+ }
+
+ SharedPtr<Ingen::Socket::SocketReceiver> receiver;
+};
+
+extern "C" {
+
+Ingen::Shared::Module*
+ingen_module_load()
+{
+ return new IngenSocketServerModule();
+}
+
+} // extern "C"
diff --git a/src/socket/wscript b/src/socket/wscript
new file mode 100644
index 00000000..e5de6cec
--- /dev/null
+++ b/src/socket/wscript
@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+from waflib.extras import autowaf as autowaf
+
+def build(bld):
+ if bld.is_defined('HAVE_SOCKET'):
+ obj = bld(features = 'cxx cxxshlib',
+ source = ['SocketReceiver.cpp',
+ 'ingen_socket_server.cpp'],
+ includes = ['.', '../..'],
+ name = 'libingen_socket_server',
+ target = 'ingen_socket_server',
+ install_path = '${LIBDIR}',
+ use = 'libingen_server')
+ autowaf.use_lib(bld, obj, 'RAUL LIBLO')
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 20:03:07 +0000