本文整理汇总了C++中boost::asio::ip::tcp::socket::assign方法的典型用法代码示例。如果您正苦于以下问题：C++ socket::assign方法的具体用法？C++ socket::assign怎么用？C++ socket::assign使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类boost::asio::ip::tcp::socket的用法示例。
在下文中一共展示了socket::assign方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: read_socket_from_parent
bool server::read_socket_from_parent(int fd_socket, boost::asio::ip::tcp::socket& socket)
{
typedef boost::asio::ip::tcp::socket::native_type native_type;
#if __APPLE__
// macos is special...
assert(CMSG_SPACE(sizeof(int)) == 16);
#endif
struct msghdr msg;
union {
struct cmsghdr cm;
#if __APPLE__
char control[16];
#else
char control[CMSG_SPACE(sizeof(int))];
#endif
} control_un;
msg.msg_control = control_un.control;
msg.msg_controllen = sizeof(control_un.control);
msg.msg_name = NULL;
msg.msg_namelen = 0;
boost::asio::ip::tcp::socket::endpoint_type peer_endpoint;
struct iovec iov[1];
iov[0].iov_base = peer_endpoint.data();
iov[0].iov_len = peer_endpoint.capacity();
msg.msg_iov = iov;
msg.msg_iovlen = 1;
bool result = false;
int n = recvmsg(fd_socket, &msg, 0);
if (n >= 0)
{
peer_endpoint.resize(n);
struct cmsghdr* cmptr CMSG_FIRSTHDR(&msg);
if (cmptr != NULL and cmptr->cmsg_len == CMSG_LEN(sizeof(int)))
{
if (cmptr->cmsg_level != SOL_SOCKET)
cerr << "control level != SOL_SOCKET" << endl;
else if (cmptr->cmsg_type != SCM_RIGHTS)
cerr << "control type != SCM_RIGHTS";
else
{
int fd = *(reinterpret_cast<native_type*>(CMSG_DATA(cmptr)));
if (fd >= 0)
{
socket.assign(peer_endpoint.protocol(), fd);
result = true;
}
}
}
else
cerr << "No file descriptor was passed" << endl;
}