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-rw-r--r--src/server/SocketListener.cpp190
1 files changed, 0 insertions, 190 deletions
diff --git a/src/server/SocketListener.cpp b/src/server/SocketListener.cpp
deleted file mode 100644
index a6faa863..00000000
--- a/src/server/SocketListener.cpp
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- This file is part of Ingen.
- Copyright 2007-2015 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 <poll.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include <cerrno>
-#include <sstream>
-#include <string>
-#include <thread>
-
-#include "ingen/Configuration.hpp"
-#include "ingen/Log.hpp"
-#include "ingen/Module.hpp"
-#include "ingen/World.hpp"
-#include "raul/Socket.hpp"
-
-#include "../server/Engine.hpp"
-#include "../server/EventWriter.hpp"
-
-#include "SocketListener.hpp"
-#include "SocketServer.hpp"
-
-namespace Ingen {
-namespace Server {
-
-static constexpr const char* const unix_scheme = "unix://";
-
-static std::string
-get_link_target(const char* link_path)
-{
- // Stat the link to get the required size for the target path
- struct stat link_stat;
- if (lstat(link_path, &link_stat)) {
- return std::string();
- }
-
- // Allocate buffer and read link target
- char* target = (char*)calloc(1, link_stat.st_size + 1);
- if (readlink(link_path, target, link_stat.st_size) != -1) {
- const std::string result(target);
- free(target);
- return result;
- }
-
- return std::string();
-}
-
-static void ingen_listen(Engine* engine,
- Raul::Socket* unix_sock,
- Raul::Socket* net_sock);
-
-
-SocketListener::SocketListener(Engine& engine)
- : unix_sock(Raul::Socket::Type::UNIX)
- , net_sock(Raul::Socket::Type::TCP)
- , thread(new std::thread(ingen_listen, &engine, &unix_sock, &net_sock))
-{}
-
-SocketListener::~SocketListener() {
- unix_sock.shutdown();
- net_sock.shutdown();
- thread->join();
- unlink(unix_sock.uri().substr(strlen(unix_scheme)).c_str());
-}
-
-static void
-ingen_listen(Engine* engine, Raul::Socket* unix_sock, Raul::Socket* net_sock)
-{
- Ingen::World* world = engine->world();
-
- const std::string link_path(world->conf().option("socket").ptr<char>());
- const std::string unix_path(link_path + "." + std::to_string(getpid()));
-
- // Bind UNIX socket and create PID-less symbolic link
- const URI unix_uri(unix_scheme + unix_path);
- bool make_link = true;
- if (!unix_sock->bind(unix_uri) || !unix_sock->listen()) {
- world->log().error("Failed to create UNIX socket\n");
- unix_sock->close();
- make_link = false;
- } else {
- const std::string old_path = get_link_target(link_path.c_str());
- if (!old_path.empty()) {
- const std::string suffix = old_path.substr(old_path.find_last_of(".") + 1);
- const pid_t pid = std::stoi(suffix);
- if (!kill(pid, 0)) {
- make_link = false;
- world->log().warn(fmt("Another Ingen instance is running at %1% => %2%\n")
- % link_path % old_path);
- } else {
- world->log().warn(fmt("Replacing old link %1% => %2%\n")
- % link_path % old_path);
- unlink(link_path.c_str());
- }
- }
-
- if (make_link) {
- if (!symlink(unix_path.c_str(), link_path.c_str())) {
- world->log().info(fmt("Listening on %1%\n") %
- (unix_scheme + link_path));
- } else {
- world->log().error(fmt("Failed to link %1% => %2% (%3%)\n")
- % link_path % unix_path % strerror(errno));
- }
- } else {
- world->log().info(fmt("Listening on %1%\n") % unix_uri);
- }
- }
-
- // Bind TCP socket
- const int port = world->conf().option("engine-port").get<int32_t>();
- std::ostringstream ss;
- ss << "tcp://*:" << port;
- if (!net_sock->bind(URI(ss.str())) || !net_sock->listen()) {
- world->log().error("Failed to create TCP socket\n");
- net_sock->close();
- } else {
- world->log().info(fmt("Listening on TCP port %1%\n") % port);
- }
-
- if (unix_sock->fd() == -1 && net_sock->fd() == -1) {
- return; // No sockets to listen to, exit thread
- }
-
- struct pollfd pfds[2];
- int nfds = 0;
- if (unix_sock->fd() != -1) {
- pfds[nfds].fd = unix_sock->fd();
- pfds[nfds].events = POLLIN;
- pfds[nfds].revents = 0;
- ++nfds;
- }
- if (net_sock->fd() != -1) {
- pfds[nfds].fd = net_sock->fd();
- pfds[nfds].events = POLLIN;
- pfds[nfds].revents = 0;
- ++nfds;
- }
-
- while (true) {
- // Wait for input to arrive at a socket
- const int ret = poll(pfds, nfds, -1);
- if (ret == -1) {
- world->log().error(fmt("Poll error: %1%\n") % strerror(errno));
- break;
- } else if (ret == 0) {
- world->log().warn("Poll returned with no data\n");
- continue;
- } else if ((pfds[0].revents & POLLHUP) || pfds[1].revents & POLLHUP) {
- break;
- }
-
- if (pfds[0].revents & POLLIN) {
- SPtr<Raul::Socket> conn = unix_sock->accept();
- if (conn) {
- new SocketServer(*world, *engine, conn);
- }
- }
-
- if (pfds[1].revents & POLLIN) {
- SPtr<Raul::Socket> conn = net_sock->accept();
- if (conn) {
- new SocketServer(*world, *engine, conn);
- }
- }
- }
-
- if (make_link) {
- unlink(link_path.c_str());
- }
-}
-
-} // namespace Server
-} // namespace Ingen