133 lines
3.4 KiB
C++
133 lines
3.4 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 "config.h"
|
|
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
|
|
#include "SigUtil.hpp"
|
|
#include "Socket.hpp"
|
|
#include "ServerSocket.hpp"
|
|
|
|
// help with initialization order
|
|
namespace {
|
|
std::vector<int> &getWakeupsArray()
|
|
{
|
|
static std::vector<int> pollWakeups;
|
|
return pollWakeups;
|
|
}
|
|
std::mutex &getPollWakeupsMutex()
|
|
{
|
|
static std::mutex pollWakeupsMutex;
|
|
return pollWakeupsMutex;
|
|
}
|
|
}
|
|
|
|
SocketPoll::SocketPoll(const std::string& threadName) :
|
|
_name(threadName),
|
|
_stop(false)
|
|
{
|
|
// Create the wakeup fd.
|
|
if (::pipe2(_wakeup, O_CLOEXEC | O_NONBLOCK) == -1)
|
|
{
|
|
throw std::runtime_error("Failed to allocate pipe for SocketPoll waking.");
|
|
}
|
|
|
|
{
|
|
std::lock_guard<std::mutex> lock(getPollWakeupsMutex());
|
|
getWakeupsArray().push_back(_wakeup[1]);
|
|
}
|
|
|
|
_thread = std::thread(&SocketPoll::pollingThread, this);
|
|
}
|
|
|
|
SocketPoll::~SocketPoll()
|
|
{
|
|
stop();
|
|
if (_thread.joinable())
|
|
{
|
|
_thread.join();
|
|
}
|
|
|
|
::close(_wakeup[0]);
|
|
::close(_wakeup[1]);
|
|
|
|
std::lock_guard<std::mutex> lock(getPollWakeupsMutex());
|
|
auto it = std::find(getWakeupsArray().begin(),
|
|
getWakeupsArray().end(),
|
|
_wakeup[1]);
|
|
|
|
if (it != getWakeupsArray().end())
|
|
getWakeupsArray().erase(it);
|
|
}
|
|
|
|
void SocketPoll::wakeupWorld()
|
|
{
|
|
for (const auto& fd : getWakeupsArray())
|
|
wakeup(fd);
|
|
}
|
|
|
|
void ServerSocket::dumpState()
|
|
{
|
|
std::cerr << "\t" << getFD() << "\t<accept>\n";
|
|
}
|
|
|
|
namespace {
|
|
|
|
void dump_hex (const char *legend, const char *prefix, std::vector<char> buffer)
|
|
{
|
|
unsigned int i, j;
|
|
fprintf (stderr, "%s", legend);
|
|
for (j = 0; j < buffer.size() + 15; j += 16)
|
|
{
|
|
fprintf (stderr, "%s0x%.4x ", prefix, j);
|
|
for (i = 0; i < 16; i++)
|
|
{
|
|
if ((j + i) < buffer.size())
|
|
fprintf (stderr, "%.2x ", (unsigned char)buffer[j+i]);
|
|
else
|
|
fprintf (stderr, " ");
|
|
if (i == 8)
|
|
fprintf (stderr, " ");
|
|
}
|
|
fprintf (stderr, " | ");
|
|
|
|
for (i = 0; i < 16; i++)
|
|
if ((j + i) < buffer.size() && ::isprint(buffer[j+i]))
|
|
fprintf (stderr, "%c", buffer[j+i]);
|
|
else
|
|
fprintf (stderr, ".");
|
|
fprintf (stderr, "\n");
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void StreamSocket::dumpState()
|
|
{
|
|
std::cerr << "\t" << getFD() << "\t" << getPollEvents() << "\t"
|
|
<< _inBuffer.size() << "\t" << _outBuffer.size() << "\t"
|
|
<< "\n";
|
|
if (_inBuffer.size() > 0)
|
|
dump_hex("\t\tinBuffer:\n", "\t\t", _inBuffer);
|
|
if (_outBuffer.size() > 0)
|
|
dump_hex("\t\toutBuffer:\n", "\t\t", _inBuffer);
|
|
}
|
|
|
|
void SocketPoll::dumpState()
|
|
{
|
|
std::cerr << " Poll [" << _pollSockets.size() << "] - wakeup r: "
|
|
<< _wakeup[0] << " w: " << _wakeup[1] << "\n";
|
|
std::cerr << "\tfd\tevents\trsize\twsize\n";
|
|
for (auto &i : _pollSockets)
|
|
i->dumpState();
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|