nsapi_size_or_error_t NanostackInterface::socket_sendto(void *handle, const SocketAddress &address, const void *data, nsapi_size_t size)
{
if (address.get_ip_version() != NSAPI_IPv6) {
return NSAPI_ERROR_UNSUPPORTED;
}
ns_address_t ns_address;
convert_mbed_addr_to_ns(&ns_address, &address);
/*No lock gaurd needed here as do_sendto() will handle locks.*/
return do_sendto(handle, &ns_address, data, size);
}
//分析message函数， on_read之后调用
void talk_to_client::do_analyze(const std::string &msg)
{
if (msg.find(requests.request_register) == 0)do_register(msg);
else if (msg.find(requests.request_login) == 0)do_login(msg);
else if (msg.find(requests.request_ping) == 0)do_ping();
else if (msg.find(requests.request_ask) == 0)do_anw_clients();
else if (msg.find(requests.request_send_to) == 0)do_sendto(msg);
else if (msg.find(requests.request_exit) == 0)do_exit();
else
std::cout << msg << std::endl;
return;
}
nsapi_size_or_error_t NanostackInterface::socket_send(void *handle, const void *data, nsapi_size_t size)
{
return do_sendto(handle, NULL, data, size);
}
PUBLIC int uds_ioctl(message *dev_m_in, message *dev_m_out)
{
int minor;
#if DEBUG == 1
static int call_count = 0;
printf("(uds) [%d] uds_ioctl() call_count=%d\n", uds_minor(dev_m_in),
++call_count);
printf("Endpoint: 0x%x | Position 0x%x\n", dev_m_in->IO_ENDPT,
dev_m_in->POSITION);
#endif
minor = uds_minor(dev_m_in);
if (uds_fd_table[minor].state != UDS_INUSE) {
/* attempted to close a socket that hasn't been opened --
* something is very wrong :(
*/
uds_set_reply(dev_m_out, TASK_REPLY, dev_m_in->IO_ENDPT,
(cp_grant_id_t) dev_m_in->IO_GRANT, EINVAL);
return EINVAL;
}
/* track the system call we are performing in case it gets cancelled */
uds_fd_table[minor].call_nr = dev_m_in->m_type;
uds_fd_table[minor].ioctl = dev_m_in->COUNT;
uds_fd_table[minor].syscall_done = 0;
/* setup select(2) framework */
uds_fd_table[minor].selecting = 0;
/* update the owner endpoint - yes it's really stored in POSITION */
uds_fd_table[minor].owner = dev_m_in->POSITION;
switch (dev_m_in->COUNT) { /* Handle the ioctl(2) command */
case NWIOSUDSCONN:
/* connect to a listening socket -- connect() */
return do_connect(dev_m_in, dev_m_out);
case NWIOSUDSACCEPT:
/* accept an incoming connection -- accept() */
return do_accept(dev_m_in, dev_m_out);
case NWIOSUDSBLOG:
/* set the backlog_size and put the socket into the
* listening state -- listen()
*/
return do_listen(dev_m_in, dev_m_out);
case NWIOSUDSTYPE:
/* set the type for this socket (i.e.
* SOCK_STREAM, SOCK_DGRAM, etc) -- socket()
*/
return do_socket(dev_m_in, dev_m_out);
case NWIOSUDSADDR:
/* set the address for this socket -- bind() */
return do_bind(dev_m_in, dev_m_out);
case NWIOGUDSADDR:
/* get the address for this socket -- getsockname() */
return do_getsockname(dev_m_in, dev_m_out);
case NWIOGUDSPADDR:
/* get the address for the peer -- getpeername() */
return do_getpeername(dev_m_in, dev_m_out);
case NWIOSUDSSHUT:
/* shutdown a socket for reading, writing, or
* both -- shutdown()
*/
return do_shutdown(dev_m_in, dev_m_out);
case NWIOSUDSPAIR:
/* connect two sockets -- socketpair() */
return do_socketpair(dev_m_in, dev_m_out);
case NWIOGUDSSOTYPE:
/* get socket type -- getsockopt(SO_TYPE) */
return do_getsockopt_sotype(dev_m_in, dev_m_out);
case NWIOGUDSPEERCRED:
/* get peer endpoint -- getsockopt(SO_PEERCRED) */
return do_getsockopt_peercred(dev_m_in, dev_m_out);
case NWIOSUDSTADDR:
/* set target address -- sendto() */
return do_sendto(dev_m_in, dev_m_out);
case NWIOGUDSFADDR:
/* get from address -- recvfrom() */
return do_recvfrom(dev_m_in, dev_m_out);
case NWIOGUDSSNDBUF:
/* get the send buffer size -- getsockopt(SO_SNDBUF) */
return do_getsockopt_sndbuf(dev_m_in, dev_m_out);
case NWIOSUDSSNDBUF:
/* set the send buffer size -- setsockopt(SO_SNDBUF) */
return do_setsockopt_sndbuf(dev_m_in, dev_m_out);
case NWIOGUDSRCVBUF:
/* get the send buffer size -- getsockopt(SO_SNDBUF) */
return do_getsockopt_rcvbuf(dev_m_in, dev_m_out);
case NWIOSUDSRCVBUF:
/* set the send buffer size -- setsockopt(SO_SNDBUF) */
return do_setsockopt_rcvbuf(dev_m_in, dev_m_out);
case NWIOSUDSCTRL:
/* set the control data -- sendmsg() */
return do_sendmsg(dev_m_in, dev_m_out);
case NWIOGUDSCTRL:
/* set the control data -- recvmsg() */
return do_recvmsg(dev_m_in, dev_m_out);
default:
/* the IOCTL command is not valid for /dev/uds --
* this happens a lot and is normal. a lot of
* libc functions determine the socket type with
* IOCTLs. Any not for us simply get a EBADIOCTL
* response.
*/
uds_fd_table[minor].syscall_done = 1;
uds_set_reply(dev_m_out, TASK_REPLY,
dev_m_in->IO_ENDPT,
(cp_grant_id_t) dev_m_in->IO_GRANT,
EBADIOCTL);
return EBADIOCTL;
}
}
