1 files changed, 156 insertions, 0 deletions
diff --git a/src/http/HTTPSender.cpp b/src/http/HTTPSender.cpp
new file mode 100644
index 00000000..1a4d35da
--- /dev/null
+++ b/src/http/HTTPSender.cpp
@@ -0,0 +1,156 @@
+/* This file is part of Ingen.
+ * Copyright 2008-2011 David Robillard <http://drobilla.net>
+ *
+ * Ingen is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) 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 General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cassert>
+#include <cstdio>
+#include <cstring>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include "raul/log.hpp"
+#include "HTTPSender.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+namespace Shared {
+
+HTTPSender::HTTPSender()
+	: _listen_port(-1)
+	, _listen_sock(-1)
+	, _client_sock(-1)
+	, _send_state(Immediate)
+{
+	Thread::set_name("HTTPSender");
+
+	struct sockaddr_in addr;
+
+	// Create listen address
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family      = AF_INET;
+	addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+	// Create listen socket
+	if ((_listen_sock = socket(AF_INET, SOCK_STREAM, 0)) < 0 ) {
+		error << "Error creating listening socket (" << strerror(errno) << ")" << endl;
+		exit(EXIT_FAILURE);
+	}
+
+	// Bind our socket addresss to the listening socket
+	if (bind(_listen_sock, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+		error << "Error calling bind (%s)\n" << strerror(errno) << ")" << endl;
+		_listen_sock = -1;
+	}
+
+	// Find port number
+	socklen_t length = sizeof(addr);
+	if (getsockname(_listen_sock, (struct sockaddr*)&addr, &length) == -1) {
+		error << "Error calling getsockname (" << strerror(errno) << ")" << endl;
+		_listen_sock = -1;
+		return;
+	}
+
+	if (listen(_listen_sock, 1) < 0 ) {
+		error << "Error calling listen (" << strerror(errno) << ")" << endl;
+		_listen_sock = -1;
+		return;
+	}
+
+	_listen_port = ntohs(addr.sin_port);
+	info << "Opening event stream on TCP port " << _listen_port << endl;
+	start();
+}
+
+HTTPSender::~HTTPSender()
+{
+	stop();
+	if (_listen_sock != -1)
+		close(_listen_sock);
+	if (_client_sock != -1)
+		close(_client_sock);
+}
+
+void
+HTTPSender::_run()
+{
+	if (_listen_sock == -1) {
+		error << "Unable to open socket, exiting sender thread" << endl;
+		return;
+	}
+
+	// Accept connection
+	if ((_client_sock = accept(_listen_sock, NULL, NULL) ) < 0) {
+		error << "Error calling accept: " << strerror(errno) << endl;
+		return;
+	}
+
+	// Hold connection open and write when signalled
+	while (true) {
+		_mutex.lock();
+		_signal.wait(_mutex);
+
+		write(_client_sock, _transfer.c_str(), _transfer.length());
+		write(_client_sock, "\n\n\n", 3);
+
+		_signal.broadcast();
+		_mutex.unlock();
+	}
+
+	close(_listen_sock);
+	_listen_sock = -1;
+}
+
+void
+HTTPSender::bundle_begin()
+{
+	_mutex.lock();
+	_send_state = SendingBundle;
+	_transfer = "";
+}
+
+void
+HTTPSender::bundle_end()
+{
+	assert(_send_state == SendingBundle);
+	_signal.broadcast();
+	_signal.wait(_mutex);
+	_send_state = Immediate;
+	_mutex.unlock();
+}
+
+void
+HTTPSender::send_chunk(const std::string& buf)
+{
+	if (_send_state == Immediate) {
+		_mutex.lock();
+		_transfer = buf;
+		_signal.broadcast();
+		_signal.wait(_mutex);
+		_mutex.unlock();
+	} else {
+		_transfer.append(buf);
+	}
+}
+
+} // namespace Shared
+} // namespace Ingen