Method SendTo

util/network/sock.h:411–423

public:
    ssize_t SendTo(const void* msg, size_t len, const ISockAddr* toAddr) {
        ssize_t ret = toAddr->ResolveAddr();
        if (ret < 0) {
            return -LastSystemError();
        }

        ret = sendto((SOCKET) * this, (const char*)msg, (int)len, 0, toAddr->SockAddr(), toAddr->Len());
        if (ret < 0) {
            return -LastSystemError();
        }

        return ret;
    }

    ssize_t RecvFrom(void* buf, size_t len, ISockAddr* fromAddr) {
        socklen_t fromSize = fromAddr->Size();