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Copy pathSocket.cpp
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420 lines (357 loc) · 8.74 KB
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#include "Socket.h"
namespace HttpServer
{
bool Socket::Startup()
{
#ifdef WIN32
unsigned short version = MAKEWORD(2, 2);
::WSADATA wsaData = {0};
return 0 == ::WSAStartup(version, &wsaData);
#elif POSIX
return true;
#else
#error "Undefine platform"
#endif
}
bool Socket::Cleanup()
{
#ifdef WIN32
return 0 == ::WSACleanup();
#elif POSIX
return true;
#else
#error "Undefine platform"
#endif
}
int Socket::getLastError()
{
#ifdef WIN32
return ::WSAGetLastError();
#elif POSIX
return errno;
#else
#error "Undefine platform"
#endif
}
Socket::Socket(): socket_handle(~0)
{
}
Socket::Socket(const System::native_socket_type fd) : socket_handle(fd)
{
}
Socket::Socket(const Socket &obj) : socket_handle(obj.socket_handle)
{
}
Socket::Socket(Socket &&obj) : socket_handle(obj.socket_handle)
{
obj.socket_handle = ~0;
}
bool Socket::open()
{
this->close();
this->socket_handle = ::socket(AF_INET, SOCK_STREAM, 0);
return this->is_open();
}
bool Socket::close()
{
if (this->is_open() )
{
#ifdef WIN32
const int result = ::closesocket(this->socket_handle);
#elif POSIX
const int result = ::close(this->socket_handle);
#else
#error "Undefine platform"
#endif
if (0 == result)
{
this->socket_handle = ~0;
return true;
}
}
return false;
}
bool Socket::bind(const int port) const
{
const ::sockaddr_in sock_addr = {
AF_INET,
htons(port),
::htonl(INADDR_ANY),
0
};
return 0 == ::bind(this->socket_handle, reinterpret_cast<const sockaddr *>(&sock_addr), sizeof(sockaddr_in) );
}
bool Socket::listen() const
{
return 0 == ::listen(this->socket_handle, SOMAXCONN);
}
Socket Socket::accept() const
{
#ifdef WIN32
System::native_socket_type client_socket = ::accept(this->socket_handle, static_cast<sockaddr *>(nullptr), static_cast<int *>(nullptr) );
#elif POSIX
System::native_socket_type client_socket = ::accept(this->socket_handle, static_cast<sockaddr *>(nullptr), static_cast<socklen_t *>(nullptr) );
#else
#error "Undefine platform"
#endif
return Socket(client_socket);
}
Socket Socket::nonblock_accept() const
{
System::native_socket_type client_socket = ~0;
#ifdef WIN32
WSAPOLLFD event = {
this->socket_handle,
POLLRDNORM,
0
};
if (1 == ::WSAPoll(&event, 1, ~0) && event.revents & POLLRDNORM)
{
client_socket = ::accept(this->socket_handle, static_cast<sockaddr *>(nullptr), static_cast<int *>(nullptr) );
}
#elif POSIX
struct ::pollfd event = {
this->socket_handle,
POLLIN,
0
};
if (1 == ::poll(&event, 1, ~0) && event.revents & POLLIN)
{
client_socket = ::accept(this->socket_handle, static_cast<sockaddr *>(nullptr), static_cast<socklen_t *>(nullptr) );
}
#else
#error "Undefine platform"
#endif
return Socket(client_socket);
}
Socket Socket::nonblock_accept(const std::chrono::milliseconds &timeout) const
{
System::native_socket_type client_socket = ~0;
#ifdef WIN32
WSAPOLLFD event = {
this->socket_handle,
POLLRDNORM,
0
};
if (1 == ::WSAPoll(&event, 1, timeout.count() ) && event.revents & POLLRDNORM)
{
client_socket = ::accept(this->socket_handle, static_cast<sockaddr *>(nullptr), static_cast<int *>(nullptr) );
}
#elif POSIX
struct ::pollfd event = {
this->socket_handle,
POLLIN,
0
};
if (1 == ::poll(&event, 1, timeout.count() ) && event.revents & POLLIN)
{
client_socket = ::accept(this->socket_handle, static_cast<sockaddr *>(nullptr), static_cast<socklen_t *>(nullptr) );
}
#else
#error "Undefine platform"
#endif
return Socket(client_socket);
}
bool Socket::shutdown() const
{
if (is_open() )
{
#ifdef WIN32
return 0 == ::shutdown(this->socket_handle, SD_BOTH);
#elif POSIX
return 0 == ::shutdown(this->socket_handle, SHUT_RDWR);
#else
#error "Undefine platform"
#endif
}
return false;
}
bool Socket::nonblock(const bool isNonBlock) const
{
#ifdef WIN32
unsigned long value = isNonBlock;
return 0 == ::ioctlsocket(this->socket_handle, FIONBIO, &value);
#elif POSIX
return ~0 != ::fcntl(this->socket_handle, F_SETFL, isNonBlock ? O_NONBLOCK : O_SYNC);
#else
#error "Undefine platform"
#endif
}
/*
bool Socket::is_nonblock() const
{
#ifdef WIN32
#elif POSIX
const int flags = ::fcntl(socket_handle, F_GETFL, 0);
return (flags != ~0) && (flags & O_NONBLOCK);
#else
#error "Undefine platform"
#endif
}
*/
bool Socket::tcp_nodelay(const bool nodelay) const
{
#ifdef WIN32
int flags = nodelay ? 1 : 0;
return 0 == setsockopt(this->socket_handle, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char *>(&flags), sizeof(flags) );
#elif POSIX
int flags = nodelay ? 1 : 0;
return 0 == setsockopt(this->socket_handle, IPPROTO_TCP, TCP_NODELAY, &flags, sizeof(flags) );
#else
#error "Undefine platform"
#endif
}
long Socket::recv(std::vector<std::string::value_type> &buf) const
{
#ifdef WIN32
return ::recv(this->socket_handle, buf.data(), buf.size(), 0);
#elif POSIX
return ::recv(this->socket_handle, buf.data(), buf.size(), 0);
#else
#error "Undefine platform"
#endif
}
long Socket::nonblock_recv(std::vector<std::string::value_type> &buf, const std::chrono::milliseconds &timeout) const
{
long recv_len = ~0;
#ifdef WIN32
WSAPOLLFD event = {
this->socket_handle,
POLLRDNORM,
0
};
if (1 == ::WSAPoll(&event, 1, timeout.count() ) && event.revents & POLLRDNORM)
{
recv_len = ::recv(this->socket_handle, buf.data(), buf.size(), 0);
}
#elif POSIX
struct ::pollfd event = {
this->socket_handle,
POLLIN,
0
};
if (1 == ::poll(&event, 1, timeout.count() ) && event.revents & POLLIN)
{
recv_len = ::recv(this->socket_handle, buf.data(), buf.size(), 0);
}
#else
#error "Undefine platform"
#endif
return recv_len;
}
static long send_all(const System::native_socket_type socket_handle, const void *data, const size_t length)
{
size_t total = 0;
while (total < length)
{
const long send_size = ::send(socket_handle, reinterpret_cast<const char *>(data) + total, length - total, 0);
if (send_size < 0)
{
return send_size;
}
total += send_size;
}
return total;
}
long Socket::send(const std::string &buf) const
{
return send_all(this->socket_handle, buf.data(), buf.length() );
}
long Socket::send(const std::vector<std::string::value_type> &buf, const size_t length) const
{
return send_all(this->socket_handle, buf.data(), length);
}
static long nonblock_send_all(const System::native_socket_type socket_handle, const void *data, const size_t length, const std::chrono::milliseconds &timeout)
{
size_t total = 0;
#ifdef WIN32
WSAPOLLFD event = {
socket_handle,
POLLWRNORM,
0
};
while (total < length)
{
if (1 == ::WSAPoll(&event, 1, timeout.count() ) && event.revents & POLLWRNORM)
{
const long send_size = ::send(socket_handle, reinterpret_cast<const char *>(data) + total, length - total, 0);
if (send_size < 0)
{
return send_size;
}
total += send_size;
}
else
{
return -1;
}
}
#elif POSIX
struct ::pollfd event = {
socket_handle,
POLLOUT,
0
};
while (total < length)
{
if (1 == ::poll(&event, 1, timeout.count() ) && event.revents & POLLOUT)
{
const long send_size = ::send(socket_handle, reinterpret_cast<const uint8_t *>(data) + total, length - total, 0);
if (send_size < 0)
{
return send_size;
}
total += send_size;
}
else
{
return -1;
}
}
#else
#error "Undefine platform"
#endif
return total;
}
long Socket::nonblock_send(const std::string &buf, const std::chrono::milliseconds &timeout) const
{
return nonblock_send_all(this->socket_handle, buf.data(), buf.length(), timeout);
}
long Socket::nonblock_send(const std::vector<std::string::value_type> &buf, const size_t length, const std::chrono::milliseconds &timeout) const
{
return nonblock_send_all(this->socket_handle, buf.data(), length, timeout);
}
void Socket::nonblock_send_sync() const
{
#ifdef WIN32
WSAPOLLFD event = {
this->socket_handle,
POLLWRNORM,
0
};
::WSAPoll(&event, 1, ~0);
#elif POSIX
struct ::pollfd event = {
this->socket_handle,
POLLOUT,
0
};
::poll(&event, 1, ~0);
#else
#error "Undefine platform"
#endif
}
Socket &Socket::operator=(const Socket &obj)
{
this->socket_handle = obj.socket_handle;
return *this;
}
bool Socket::operator ==(const Socket &obj) const
{
return this->socket_handle == obj.socket_handle;
}
bool Socket::operator !=(const Socket &obj) const
{
return this->socket_handle != obj.socket_handle;
}
};
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