diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/server/Engine.cpp | 11 | ||||
-rw-r--r-- | src/server/Engine.hpp | 16 | ||||
-rw-r--r-- | src/server/EventQueue.cpp | 6 | ||||
-rw-r--r-- | src/server/EventQueue.hpp | 2 | ||||
-rw-r--r-- | src/server/EventSource.hpp | 5 | ||||
-rw-r--r-- | src/server/events/SetMetadata.hpp | 2 | ||||
-rw-r--r-- | src/socket/SocketInterface.cpp | 149 | ||||
-rw-r--r-- | src/socket/SocketInterface.hpp | 58 | ||||
-rw-r--r-- | src/socket/SocketListener.cpp | 65 | ||||
-rw-r--r-- | src/socket/SocketListener.hpp | 5 | ||||
-rw-r--r-- | src/socket/ingen_socket_server.cpp | 8 | ||||
-rw-r--r-- | src/socket/wscript | 3 |
12 files changed, 243 insertions, 87 deletions
diff --git a/src/server/Engine.cpp b/src/server/Engine.cpp index f793ad22..77630d54 100644 --- a/src/server/Engine.cpp +++ b/src/server/Engine.cpp @@ -237,8 +237,15 @@ Engine::process_events(ProcessContext& context) { ThreadManager::assert_thread(THREAD_PROCESS); - for (EventSources::iterator i = _event_sources.begin(); i != _event_sources.end(); ++i) - (*i)->process(*_post_processor, context); + EventSources::iterator i = _event_sources.begin(); + while (i != _event_sources.end()) { + EventSources::iterator next = i; + ++next; + if (!(*i)->process(*_post_processor, context)) { + _event_sources.erase(i); + } + i = next; + } } void diff --git a/src/server/Engine.hpp b/src/server/Engine.hpp index 9a5d4f76..8e5f381f 100644 --- a/src/server/Engine.hpp +++ b/src/server/Engine.hpp @@ -62,24 +62,18 @@ public: virtual ~Engine(); + // EngineBase methods virtual bool activate(); - virtual void deactivate(); - virtual void quit(); - virtual bool main_iteration(); - - virtual void set_driver(SharedPtr<Driver> driver); - - virtual void add_event_source(SharedPtr<EventSource> source); - - virtual void process_events(ProcessContext& context); - virtual void register_client(const Raul::URI& uri, Interface* client); - virtual bool unregister_client(const Raul::URI& uri); + void set_driver(SharedPtr<Driver> driver); + void add_event_source(SharedPtr<EventSource> source); + void process_events(ProcessContext& context); + Ingen::Shared::World* world() const { return _world; } ClientBroadcaster* broadcaster() const { return _broadcaster; } diff --git a/src/server/EventQueue.cpp b/src/server/EventQueue.cpp index 272273cd..585eaa34 100644 --- a/src/server/EventQueue.cpp +++ b/src/server/EventQueue.cpp @@ -67,13 +67,13 @@ EventQueue::event(Event* const ev) * * Executed events will be pushed to @a dest. */ -void +bool EventQueue::process(PostProcessor& dest, ProcessContext& context, bool limit) { ThreadManager::assert_thread(THREAD_PROCESS); if (!_head.get()) - return; + return true; /* Limit the maximum number of queued events to process per cycle. This makes the process callback (more) realtime-safe by preventing being @@ -105,6 +105,8 @@ EventQueue::process(PostProcessor& dest, ProcessContext& context, bool limit) if (!next) _tail = NULL; } + + return true; } /** Pre-process a single event */ diff --git a/src/server/EventQueue.hpp b/src/server/EventQueue.hpp index a3567574..edd6c6b4 100644 --- a/src/server/EventQueue.hpp +++ b/src/server/EventQueue.hpp @@ -40,7 +40,7 @@ public: explicit EventQueue(); virtual ~EventQueue(); - void process(PostProcessor& dest, ProcessContext& context, bool limit=true); + bool process(PostProcessor& dest, ProcessContext& context, bool limit=true); inline bool unprepared_events() const { return _prepared_back.get(); } inline bool empty() const { return !_head.get(); } diff --git a/src/server/EventSource.hpp b/src/server/EventSource.hpp index 4425586d..65afece4 100644 --- a/src/server/EventSource.hpp +++ b/src/server/EventSource.hpp @@ -35,7 +35,10 @@ class EventSource public: virtual ~EventSource() {} - virtual void process(PostProcessor& dest, + /** Process events for a cycle. + * @return False iff this source is finished and should be removed. + */ + virtual bool process(PostProcessor& dest, ProcessContext& context, bool limit = true) = 0; }; diff --git a/src/server/events/SetMetadata.hpp b/src/server/events/SetMetadata.hpp index f906193c..e1bc0c55 100644 --- a/src/server/events/SetMetadata.hpp +++ b/src/server/events/SetMetadata.hpp @@ -96,7 +96,7 @@ private: typedef std::vector<SetPortValue*> SetEvents; - Event* _create_event; + Event* _create_event; SetEvents _set_events; std::vector<SpecialType> _types; std::vector<SpecialType> _remove_types; diff --git a/src/socket/SocketInterface.cpp b/src/socket/SocketInterface.cpp new file mode 100644 index 00000000..d9994e3e --- /dev/null +++ b/src/socket/SocketInterface.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 <errno.h> +#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 "SocketInterface.hpp" + +#include "../server/Event.hpp" +#include "../server/PostProcessor.hpp" +#include "../server/ThreadManager.hpp" + +#define LOG(s) s << "[SocketInterface] " + +namespace Ingen { +namespace Socket { + +SocketInterface::SocketInterface(Ingen::Shared::World& world, int conn) + : _world(world) + , _iface(*(Server::Engine*)world.local_engine().get(), *this) + , _event(NULL) + , _conn(conn) +{ + // 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_name("SocketInterface"); + start(); +} + +SocketInterface::~SocketInterface() +{ + stop(); + join(); + close(_conn); +} + +void +SocketInterface::event(Server::Event* ev) +{ + assert(!_event); + ev->pre_process(); + _event = ev; +} + +bool +SocketInterface::process(Server::PostProcessor& dest, + Server::ProcessContext& context, + bool limit) +{ + if (_event) { + _event->execute(context); + dest.append(_event, _event); + _event = NULL; + } + if (_conn == -1) { + return false; + } + return true; +} + +void +SocketInterface::_run() +{ + Thread::set_context(Server::THREAD_PRE_PROCESS); + while (!_exit_flag) { + // 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"); + if (!f) { + LOG(Raul::error) << "Failed to open connection " << _conn + << "(" << strerror(errno) << ")" << std::endl; + // Connection gone, exit + break; + } + + 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); + + // Call _iface methods based on atom content + ar.write((LV2_Atom*)chunk.buf); + + // Respond and close connection + write(_conn, "OK", 2); + fclose(f); + + sratom_free(sratom); + sord_node_free(world->c_obj(), msg_node); + serd_reader_free(reader); + sord_free(model); + } + + _conn = -1; +} + +} // namespace Ingen +} // namespace Socket diff --git a/src/socket/SocketInterface.hpp b/src/socket/SocketInterface.hpp new file mode 100644 index 00000000..2a23cc64 --- /dev/null +++ b/src/socket/SocketInterface.hpp @@ -0,0 +1,58 @@ +/* + 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" +#include "ingen/Interface.hpp" + +#include "../server/EventSink.hpp" +#include "../server/EventSource.hpp" +#include "../server/EventWriter.hpp" + +namespace Ingen { + +namespace Shared { class World; } + +namespace Socket { + +class SocketInterface : public Raul::Thread + , public Server::EventSink + , public Server::EventSource +{ +public: + SocketInterface(Shared::World& world, int conn); + + void event(Server::Event* ev); + + bool process(Server::PostProcessor& dest, + Server::ProcessContext& context, + bool limit = true); + + ~SocketInterface(); + +private: + virtual void _run(); + + Shared::World& _world; + Server::EventWriter _iface; + Server::Event* _event; + int _conn; +}; + +} // namespace Ingen +} // namespace Socket diff --git a/src/socket/SocketListener.cpp b/src/socket/SocketListener.cpp index edd5421b..c2ff1c10 100644 --- a/src/socket/SocketListener.cpp +++ b/src/socket/SocketListener.cpp @@ -23,17 +23,18 @@ #include "ingen/shared/AtomReader.hpp" #include "sord/sordmm.hpp" #include "sratom/sratom.h" + +#include "../server/Engine.hpp" #include "SocketListener.hpp" +#include "SocketInterface.hpp" #define LOG(s) s << "[SocketListener] " namespace Ingen { namespace Socket { -SocketListener::SocketListener(Ingen::Shared::World& world, - SharedPtr<Interface> iface) +SocketListener::SocketListener(Ingen::Shared::World& world) : _world(world) - , _iface(iface) { // Create server socket _sock = socket(AF_UNIX, SOCK_STREAM, 0); @@ -88,60 +89,10 @@ SocketListener::_run() 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); + // Make an new interface/thread to handle the connection + Server::Engine* engine = (Server::Engine*)_world.local_engine().get(); + SharedPtr<SocketInterface> iface(new SocketInterface(_world, conn)); + engine->add_event_source(iface); } } diff --git a/src/socket/SocketListener.hpp b/src/socket/SocketListener.hpp index 896b08b4..10e9d1d2 100644 --- a/src/socket/SocketListener.hpp +++ b/src/socket/SocketListener.hpp @@ -30,16 +30,13 @@ namespace Socket { class SocketListener : public Raul::Thread { public: - SocketListener(Ingen::Shared::World& world, - SharedPtr<Interface> iface); - + SocketListener(Ingen::Shared::World& world); ~SocketListener(); private: virtual void _run(); Ingen::Shared::World& _world; - SharedPtr<Interface> _iface; std::string _sock_path; int _sock; }; diff --git a/src/socket/ingen_socket_server.cpp b/src/socket/ingen_socket_server.cpp index 19257add..71b8ad64 100644 --- a/src/socket/ingen_socket_server.cpp +++ b/src/socket/ingen_socket_server.cpp @@ -29,14 +29,8 @@ 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::EventQueue> queue(new Server::EventQueue()); - SharedPtr<Server::EventWriter> interface( - new Server::EventWriter(*engine, *queue.get())); listener = SharedPtr<Ingen::Socket::SocketListener>( - new Ingen::Socket::SocketListener(*world, interface)); - - engine->add_event_source(queue); + new Ingen::Socket::SocketListener(*world)); } SharedPtr<Ingen::Socket::SocketListener> listener; diff --git a/src/socket/wscript b/src/socket/wscript index 6b104906..6985f377 100644 --- a/src/socket/wscript +++ b/src/socket/wscript @@ -4,7 +4,8 @@ from waflib.extras import autowaf as autowaf def build(bld): if bld.is_defined('HAVE_SOCKET'): obj = bld(features = 'cxx cxxshlib', - source = ['SocketListener.cpp', + source = ['SocketInterface.cpp', + 'SocketListener.cpp', 'ingen_socket_server.cpp'], includes = ['.', '../..'], name = 'libingen_socket_server', |