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SocketList.cpp
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175 lines (144 loc) · 3.03 KB
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#include "SocketList.h"
namespace HttpServer
{
SocketList::SocketList()
{
#ifdef WIN32
obj_list = INVALID_HANDLE_VALUE;
#elif POSIX
obj_list = ~0;
#else
#error "Undefine platform"
#endif
}
bool SocketList::create(const size_t listSize)
{
destroy();
#ifdef WIN32
obj_list = (HANDLE) 1;
if (listSize > 0)
{
poll_events.reserve(listSize);
}
return true;
#elif POSIX
obj_list = ::epoll_create(listSize);
if ( (size_t)~0 == obj_list)
{
return false;
}
if (listSize > 0)
{
epoll_events.reserve(listSize);
}
return true;
#else
#error "Undefine platform"
#endif
}
void SocketList::destroy()
{
if (is_created() )
{
#ifdef WIN32
obj_list = INVALID_HANDLE_VALUE;
poll_events.clear();
#elif POSIX
::close(obj_list);
obj_list = ~0;
epoll_events.clear();
#else
#error "Undefine platform"
#endif
}
}
bool SocketList::addSocket(const Socket &sock)
{
if (is_created() )
{
#ifdef WIN32
WSAPOLLFD event = {
sock.get_handle(),
POLLRDNORM,
0
};
poll_events.emplace_back(event);
return true;
#elif POSIX
struct ::epoll_event event = {
EPOLLIN | EPOLLET,
reinterpret_cast<void *>(sock.get_handle() )
};
size_t result = ::epoll_ctl(obj_list, EPOLL_CTL_ADD, sock.get_handle(), &event);
if ( (size_t)~0 == result)
{
return false;
}
epoll_events.emplace_back();
return true;
#else
#error "Undefine platform"
#endif
}
return false;
}
bool SocketList::accept(std::vector<Socket> &sockets) const
{
if (is_created() )
{
#ifdef WIN32
size_t count = ::WSAPoll(poll_events.data(), poll_events.size(), ~0);
if (SOCKET_ERROR == count)
{
return false;
}
for (size_t i = 0; i < poll_events.size(); ++i)
{
WSAPOLLFD &event = poll_events[i];
if (event.revents | POLLRDNORM)
{
System::native_socket_type client_socket = ~0;
do
{
client_socket = ::accept(event.fd, static_cast<sockaddr *>(nullptr), static_cast<int *>(nullptr) );
if (~0 != client_socket)
{
sockets.emplace_back(Socket(client_socket) );
}
}
while (~0 != client_socket);
}
}
return false == sockets.empty();
#elif POSIX
size_t count = ::epoll_wait(obj_list, epoll_events.data(), epoll_events.size(), ~0);
if (std::numeric_limits<size_t>::max() == count)
{
return false;
}
for (size_t i = 0; i < count; ++i)
{
epoll_event &event = epoll_events[i];
if (event.events | EPOLLIN)
{
System::native_socket_type client_socket = ~0;
do
{
client_socket = ::accept(event.data.fd, static_cast<sockaddr *>(nullptr), static_cast<socklen_t *>(nullptr) );
if (~0 != client_socket)
{
sockets.emplace_back(Socket(client_socket) );
}
}
while (~0 != client_socket);
}
}
return false == sockets.empty();
#else
#error "Undefine platform"
#endif
}
return false;
}
};