Error PacketPeerUDPWinsock::put_packet(const uint8_t *p_buffer, int p_buffer_size) {
ERR_FAIL_COND_V(!peer_addr.is_valid(), ERR_UNCONFIGURED);
if (sock_type == IP::TYPE_NONE)
sock_type = peer_addr.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
int sock = _get_socket();
ERR_FAIL_COND_V(sock == -1, FAILED);
struct sockaddr_storage addr;
size_t addr_size = _set_sockaddr(&addr, peer_addr, peer_port, sock_type);
_set_blocking(true);
errno = 0;
int err;
while ((err = sendto(sock, (const char *)p_buffer, p_buffer_size, 0, (struct sockaddr *)&addr, addr_size)) != p_buffer_size) {
if (WSAGetLastError() != WSAEWOULDBLOCK) {
return FAILED;
};
}
return OK;
}
Error PacketPeerUDPWinsock::put_packet(const uint8_t *p_buffer,int p_buffer_size){
int sock = _get_socket();
ERR_FAIL_COND_V( sock == -1, FAILED );
struct sockaddr_storage addr;
size_t addr_size = _set_sockaddr(&addr, peer_addr, peer_port, ip_type);
_set_blocking(true);
errno = 0;
int err;
while ( (err = sendto(sock, (const char*)p_buffer, p_buffer_size, 0, (struct sockaddr*)&addr, addr_size)) != p_buffer_size) {
if (WSAGetLastError() != WSAEWOULDBLOCK) {
return FAILED;
};
}
return OK;
}
Error PacketPeerUDPWinsock::_poll(bool p_wait) {
if (sockfd == -1) {
return FAILED;
}
_set_blocking(p_wait);
struct sockaddr_storage from = { 0 };
int len = sizeof(struct sockaddr_storage);
int ret;
while ((ret = recvfrom(sockfd, (char *)recv_buffer, MIN((int)sizeof(recv_buffer), MAX(rb.space_left() - 24, 0)), 0, (struct sockaddr *)&from, &len)) > 0) {
uint32_t port = 0;
if (from.ss_family == AF_INET) {
uint8_t type = (uint8_t)IP::TYPE_IPV4;
rb.write(&type, 1);
struct sockaddr_in *sin_from = (struct sockaddr_in *)&from;
rb.write((uint8_t *)&sin_from->sin_addr, 4);
port = ntohs(sin_from->sin_port);
} else if (from.ss_family == AF_INET6) {
uint8_t type = (uint8_t)IP::TYPE_IPV6;
rb.write(&type, 1);
struct sockaddr_in6 *s6_from = (struct sockaddr_in6 *)&from;
rb.write((uint8_t *)&s6_from->sin6_addr, 16);
port = ntohs(s6_from->sin6_port);
} else {
// WARN_PRINT("Ignoring packet with unknown address family");
uint8_t type = (uint8_t)IP::TYPE_NONE;
rb.write(&type, 1);
};
rb.write((uint8_t *)&port, 4);
rb.write((uint8_t *)&ret, 4);
rb.write(recv_buffer, ret);
len = sizeof(struct sockaddr_storage);
++queue_count;
};
if (ret == SOCKET_ERROR) {
int error = WSAGetLastError();
if (error == WSAEWOULDBLOCK) {
// Expected when doing non-blocking sockets, retry later.
} else if (error == WSAECONNRESET) {
// If the remote target does not accept messages, this error may occur, but is harmless.
// Once the remote target gets available, this message will disappear for new messages.
} else {
close();
return FAILED;
}
}
if (ret == 0) {
close();
return FAILED;
};
return OK;
}
