static int server_connect(void)
{
struct pollfd fds;
int ret = 0;
set_options(lrs);
do {
if (use_async) {
fds.fd = lrs;
fds.events = POLLIN;
ret = do_poll(&fds, poll_timeout);
if (ret) {
perror("rpoll");
return ret;
}
}
rs = rs_accept(lrs, NULL, 0);
} while (rs < 0 && (errno == EAGAIN || errno == EWOULDBLOCK));
if (rs < 0) {
perror("raccept");
return rs;
}
if (use_fork)
fork_pid = fork();
if (!fork_pid)
set_options(rs);
return ret;
}
Socket *IPv4Socket::accept(bool nonblocking) {
//fudeb("Socket::accept(s:%d)", sock_);
LOG_DEBUG((use_rs_ ? "RDMA" : "TCP"));
int asock = 0;
while (!stop_) {
if (nonblocking_) {
wait_for_read();
}
asock = rs_accept(sock_, 0, 0);
if (asock >= 0)
break;
LOG_WARN("accept encountered " << strerror(errno));
if (asock < 0 && errno != EAGAIN && errno != EINTR
#ifndef _WIN32
&& errno != ECONNABORTED && errno != EPROTO
#endif
) {
throw IOException("accept", "", getErrorNumber());
}
}
if (stop_) {
return 0;
}
uint16_t remote_port = 0;
char str[INET_ADDRSTRLEN];
struct sockaddr_in clientaddr;
socklen_t addrlen = sizeof(clientaddr);
int res = rs_getpeername(asock, (struct sockaddr *) &clientaddr, &addrlen);
if (res < 0) {
throw IOException("Socket::accept() Failed to find peer IP/port", "",
res);
}
char * buf = inet_ntoa(clientaddr.sin_addr);
if (buf != 0) {
str[0] = 0;
#pragma warning( push )
#pragma warning( disable: 4996) // we use strncpy in a safe way
strncpy(str, buf, INET_ADDRSTRLEN);
#pragma warning( pop )
LOG_DEBUG("IPv4 Client address is " << str);
LOG_DEBUG("Client port is " << ntohs(clientaddr.sin_port));
} else {
throw IOException(
"Socket::accept() Failure to resolve remote peer for accepted connection");
}
remote_port = ntohs(clientaddr.sin_port);
Socket *asock2 = new IPv4Socket(this, asock, sock_type_, str, remote_port);
if (nonblocking) {
asock2->setNonBlocking();
}
// TODO make sendbuffersize
// asock2->setSendbufferssize(32 * 1024);
return asock2;
}
