mirror of https://github.com/Icinga/icinga2.git
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "remote/httpresponse.hpp"
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#include "remote/httpchunkedencoding.hpp"
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#include "base/logger.hpp"
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#include "base/application.hpp"
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#include "base/convert.hpp"
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using namespace icinga;
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HttpResponse::HttpResponse(const Stream::Ptr& stream, const HttpRequest& request)
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: m_State(HttpResponseStart), m_Request(request), m_Stream(stream)
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{ }
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void HttpResponse::SetStatus(int code, const String& message)
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{
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ASSERT(m_State == HttpResponseStart);
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ASSERT(code >= 100 && code <= 599);
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ASSERT(!message.IsEmpty());
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String status = "HTTP/";
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if (m_Request.ProtocolVersion == HttpVersion10)
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status += "1.0";
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else
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status += "1.1";
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status += " " + Convert::ToString(code) + " " + message + "\r\n";
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m_Stream->Write(status.CStr(), status.GetLength());
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m_State = HttpResponseHeaders;
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}
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void HttpResponse::AddHeader(const String& key, const String& value)
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{
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ASSERT(m_State = HttpResponseHeaders);
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String header = key + ": " + value + "\r\n";
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m_Stream->Write(header.CStr(), header.GetLength());
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}
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void HttpResponse::FinishHeaders(void)
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{
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if (m_State == HttpResponseHeaders) {
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if (m_Request.ProtocolVersion == HttpVersion11)
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AddHeader("Transfer-Encoding", "chunked");
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AddHeader("Server", "Icinga/" + Application::GetVersion());
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m_Stream->Write("\r\n", 2);
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m_State = HttpResponseBody;
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}
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}
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void HttpResponse::WriteBody(const char *data, size_t count)
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{
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ASSERT(m_State == HttpResponseHeaders || m_State == HttpResponseBody);
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if (m_Request.ProtocolVersion == HttpVersion10) {
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if (!m_Body)
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m_Body = new FIFO();
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m_Body->Write(data, count);
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} else {
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FinishHeaders();
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HttpChunkedEncoding::WriteChunkToStream(m_Stream, data, count);
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}
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}
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void HttpResponse::Finish(void)
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{
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ASSERT(m_State != HttpResponseEnd);
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if (m_Request.ProtocolVersion == HttpVersion10) {
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if (m_Body)
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AddHeader("Content-Length", Convert::ToString(m_Body->GetAvailableBytes()));
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FinishHeaders();
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while (m_Body && m_Body->IsDataAvailable()) {
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char buffer[1024];
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size_t rc = m_Body->Read(buffer, sizeof(buffer), true);
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m_Stream->Write(buffer, rc);
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}
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} else {
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WriteBody(NULL, 0);
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m_Stream->Write("\r\n", 2);
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}
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m_State = HttpResponseEnd;
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if (m_Request.ProtocolVersion == HttpVersion10 || m_Request.Headers->Get("connection") == "close")
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m_Stream->Shutdown();
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}
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