libreoffice-online/loolwsd/test/UnitFonts.cpp
Ashod Nakashian f7327115de loolwsd: allow for delimiter in LOOLProtocol parsers
Change-Id: I9c7e503aed067dfe36953552237941e7c1841457
Reviewed-on: https://gerrit.libreoffice.org/29633
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
Tested-by: Ashod Nakashian <ashnakash@gmail.com>
2016-10-10 06:18:18 +00:00

169 lines
4.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <dlfcn.h>
#include <ftw.h>
#include <cassert>
#include <iostream>
#include <Poco/Net/HTTPClientSession.h>
#include <Poco/Net/HTTPResponse.h>
#include <Poco/Net/HTTPServerRequest.h>
#include <Poco/StringTokenizer.h>
#include <Poco/Timestamp.h>
#include "Common.hpp"
#include "LOOLProtocol.hpp"
#include "Log.hpp"
#include "Unit.hpp"
#include "Util.hpp"
#define UNIT_URI "/loolwsd/unit-font"
namespace {
// interrogate the vcl/ fontmanager for its hook ...
std::string getFontList()
{
void *me = dlopen(NULL,RTLD_NOW);
typedef const char *(GetFontsFn)(void);
GetFontsFn *fn = reinterpret_cast<GetFontsFn *>(
dlsym(me, "unit_online_get_fonts"));
if (fn)
return std::string(fn());
else
return std::string("can't find unit_online_get_fonts hook");
}
std::string readFontList(const std::shared_ptr< Poco::Net::WebSocket > &socket)
{
int flags;
char buffer[100 * 1000];
int length = socket->receiveFrame(buffer, sizeof (buffer), flags);
if (length > 0)
{
assert(length<(int)sizeof(buffer));
buffer[length] = '\0';
return std::string(buffer);
}
else
return std::string("read failure");
}
}
// Inside the WSD process
class UnitPrefork : public UnitWSD
{
std::string _fontsKit;
std::string _fontsBroker;
public:
UnitPrefork()
{
setHasKitHooks();
}
void check()
{
if (!_fontsKit.length() || !_fontsBroker.length())
return; // defer till we have all the data.
if (_fontsKit != _fontsBroker)
{
std::cerr << "Error - font list mismatch" << std::endl;
std::cerr << "Kit : '" << _fontsKit << "' vs. Broker : '" << _fontsBroker << "'" << std::endl;
exitTest(TestResult::TEST_FAILED);
}
else
{
Poco::StringTokenizer tokens(_fontsKit, "\n");
if (tokens.count() > 0)
std::cerr << " " << tokens[0] << std::endl;
exitTest(TestResult::TEST_OK);
}
}
virtual void newChild(const std::shared_ptr<Poco::Net::WebSocket> &socket) override
{
Log::info("Fetching font list from kit");
socket->sendFrame("unit-getfontlist: \n",
sizeof("unit-getfontlist: \n") - 1);
_fontsKit = readFontList(socket);
check();
}
virtual bool filterHandleRequest(
TestRequest type,
Poco::Net::HTTPServerRequest& request,
Poco::Net::HTTPServerResponse& response) override
{
if (type == UnitWSD::TestRequest::TEST_REQ_PRISONER &&
request.getURI().find(UNIT_URI) == 0)
{
auto ws = std::make_shared<Poco::Net::WebSocket>(request, response);
_fontsBroker = readFontList(ws);
check();
return true;
}
return false;
}
};
// Inside the forkit & kit processes
class UnitKitPrefork : public UnitKit
{
public:
UnitKitPrefork()
{
}
// Called in the forkit after forking the kit
virtual void launchedKit(int /* pid */) override
{
// Open websocket connection between the child process and WSD.
Poco::Net::HTTPClientSession cs("127.0.0.1", MasterPortNumber);
cs.setTimeout(0);
Poco::Net::HTTPRequest request(Poco::Net::HTTPRequest::HTTP_GET,
std::string(UNIT_URI));
Poco::Net::HTTPResponse response;
auto ws = std::make_shared<Poco::Net::WebSocket>(cs, request, response);
ws->setReceiveTimeout(0);
Log::info("Fetching font list from forkit");
std::string fontListMsg = getFontList() + "\n";
ws->sendFrame(fontListMsg.c_str(), fontListMsg.length());
}
// Called from WSD and handled inside the kit.
virtual bool filterKitMessage(const std::shared_ptr<Poco::Net::WebSocket> &ws,
std::string &message) override
{
const std::string token = LOOLProtocol::getFirstToken(message);
if (token == "unit-getfontlist:")
{
const std::string fontListReply = getFontList() + "\n";
ws->sendFrame(fontListReply.c_str(), fontListReply.length());
return true;
}
return false;
}
};
UnitBase *unit_create_wsd(void)
{
return new UnitPrefork();
}
UnitBase *unit_create_kit(void)
{
return new UnitKitPrefork();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */