//udp连接
void ntp_session::udp_connect(std::string hostname,unsigned short port)
{
boost::system::error_code ec;
udp::resolver::query query(hostname,boost::lexical_cast<std::string, unsigned short>(port));
udp::resolver::iterator iter = uresolver_.resolve(query,ec);
if(iter!=udp::resolver::iterator())
{
uendpoint_ = (*iter).endpoint();
usocket().open(udp::v4());
const udp::endpoint local_endpoint = udp::endpoint(udp::v4(),port);
usocket().bind(local_endpoint);
usocket().open(udp::v4());
}
}
void pping_server::shutdown()
{
if (!initialized) return;
close_lstn_thread = true;
USOCKET s = usocket(AF_INET, SOCK_STREAM, 0, NULL);
if (s == U_INVALID_SOCKET)
throw USER_ENV_EXCEPTION("Failed to create socket", false);
if (uconnect_tcp(s, port, "localhost", NULL) == U_SOCKET_ERROR)
throw USER_ENV_EXCEPTION("Failed to create TCP connection", false);
char c = PPING_KEEP_ALIVE_MSG;
usend(s, &c, sizeof(c), NULL);
if (uThreadJoin(server_lstn_thread_handle, NULL) != 0)
throw USER_ENV_EXCEPTION("Error waiting for pping server_lstn thread to shutdown", false);
if (uclose_socket(s, NULL) != 0)
throw USER_ENV_EXCEPTION("Failed to close socket", false);
if (uclose_socket(sock, NULL) != 0)
throw USER_ENV_EXCEPTION("Failed to close socket", false);
if (uCloseThreadHandle(server_lstn_thread_handle, NULL) != 0)
throw USER_EXCEPTION2(SE4063, "pping server_lstn_thread");
}
void ntp_session::start_read_head(int msgLen)
{
udp::endpoint sender_endpoint;
usocket().async_receive_from(boost::asio::buffer(receive_msg_ptr_->w_ptr(),receive_msg_ptr_->space()),sender_endpoint,
boost::bind(&device_session::handle_udp_read,this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred)
);
}
void pping_server::startup()
{
sock = usocket(AF_INET, SOCK_STREAM, 0, __sys_call_error);
if (sock == U_INVALID_SOCKET) throw USER_ENV_EXCEPTION("Failed to create socket", false);
if (uNotInheritDescriptor(UHANDLE(sock), __sys_call_error) != 0) throw USER_EXCEPTION(SE4080);
if (ubind_tcp(sock, port, "localhost", __sys_call_error) == U_SOCKET_ERROR) throw USER_ENV_EXCEPTION2("Failed to bind socket", usocket_error_translator(), false);
if (ulisten(sock, PPING_LSTNR_QUEUE_LEN, __sys_call_error) == U_SOCKET_ERROR) throw USER_ENV_EXCEPTION("Failed to listen socket", false);
uResVal res = uCreateThread(pping_server_lstn_thread_proc_st, this, &server_lstn_thread_handle, PPING_STACK_SIZE, NULL, __sys_call_error);
if (res != 0) throw USER_ENV_EXCEPTION("Failed to create pping server thread", false);
initialized = true;
}
void ntp_session::start_write(unsigned char* commStr,int commLen)
{
if(commLen<=0)
return;
usocket().async_send_to(boost::asio::buffer(commStr,commLen),uendpoint_,
#ifdef USE_STRAND
strand_.wrap(
#endif
boost::bind(&net_session::handle_write,shared_from_this(),
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred)
#ifdef USE_STRAND
)
#endif
);
}
void device_session::start_read_body(int msgLen)
{
udp::endpoint sender_endpoint;
usocket().async_receive_from(boost::asio::buffer(receive_msg_ptr_->w_ptr(),
msgLen),
sender_endpoint,
#ifdef USE_STRAND
strand_.wrap(
#endif
boost::bind(&device_session::handle_read_body,this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred)
#ifdef USE_STRAND
)
#endif
);
}
void pping_client::startup(SednaUserException& e, bool is_soft)
{
sock = usocket(AF_INET, SOCK_STREAM, 0, __sys_call_error);
if (sock == U_INVALID_SOCKET) throw USER_ENV_EXCEPTION("Failed to create socket", false);
if (uconnect_tcp(sock, port, host, __sys_call_error) == U_SOCKET_ERROR)
{
if (uclose_socket(sock, NULL) == U_SOCKET_ERROR)
throw USER_ENV_EXCEPTION("Failed to close socket", false);
throw_exception(e, is_soft);
}
if (UUnnamedSemaphoreCreate(&sem, 0, NULL, __sys_call_error) != 0)
throw USER_ENV_EXCEPTION("Failed to create semaphore", false);
uResVal res = uCreateThread(pping_client_thread_proc, this, &client_thread_handle, PPING_STACK_SIZE, NULL, __sys_call_error);
if (res != 0) throw USER_ENV_EXCEPTION("Failed to create pping client thread", false);
initialized = true;
}
int main(int argc, char** argv) {
#if (defined WIN32 || defined _WIN32)
WSADATA wsadata;
int rc = WSAStartup(MAKEWORD(2,0), &wsadata);
if (rc) return 1;
#endif
upoll_t* upq = upoll_create(32);
intptr_t sd1 = usocket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
printf("server: %li\n", sd1);
printf("bind: %d\n", ubind(sd1, "127.0.0.1", "1976"));
printf("listen: %d\n", ulisten(sd1, 128));
upoll_event_t ev1, ev2;
upoll_event_t events[8];
ev1.events = UPOLLIN;
ev1.data.fd = sd1;
upoll_ctl(upq, UPOLL_CTL_ADD, sd1, &ev1);
int r = 0, x = 0;
while (1) {
int i, e;
e = upoll_wait(upq, events, 8, -1);
printf("events: %i\n", e);
if (x++ == 50) return 0;
for (i = 0; i < e; i++) {
char buf[4096];
if (events[i].events & UPOLLERR) {
printf("ERROR on %li\n", events[i].data.fd);
upoll_ctl(upq, UPOLL_CTL_DEL, events[i].data.fd, NULL);
uclose(events[i].data.fd);
}
else if (events[i].events & UPOLLIN) {
printf("have POLLIN on %li\n", events[i].data.fd);
if (events[i].data.fd == sd1) {
int sd2 = uaccept(sd1);
printf("uaccept: %i\n", sd2);
ev2.events = UPOLLIN;
ev2.data.fd = sd2;
upoll_ctl(upq, UPOLL_CTL_ADD, sd2, &ev2);
}
else {
int cfd = events[i].data.fd;
memset(buf, 0, 4096);
printf("client input...\n");
r = uread(cfd, buf, 4096);
printf("read %i bytes\n", r);
if (r == 0) {
printf("EOF DETECTED\n");
upoll_ctl(upq, UPOLL_CTL_DEL, events[i].data.fd, NULL);
uclose(events[i].data.fd);
}
else {
ev2.events = UPOLLOUT;
upoll_ctl(upq, UPOLL_CTL_MOD, cfd, &ev2);
}
}
}
else if (events[i].events & UPOLLOUT) {
printf("client writable...\n");
int cfd = events[i].data.fd;
int w = uwrite(cfd, buf, r);
ev2.events = UPOLLIN;
printf("wrote %i bytes, mod for UPOLLIN again\n", w);
upoll_ctl(upq, UPOLL_CTL_MOD, cfd, &ev2);
}
}
}
#if (defined WIN32 || defined _WIN32)
WSACleanup();
#endif
return 0;
}