/*==============================================================================
* - T_shell()
*
* - the shell task entry
*/
void T_shell ()
{
char usr_cmd_line[_CMD_LEN_MAX];
char *start_cmd = NULL;
banner();
_shell_cmd_init(); /* i, exit ... */
yaffs_init(); /* cd, ls, pwd ... */
vi_cmd_init(); /* vi */
net_init();
tetris_cmd_init(); /* tetris */
lian_cmd_init(); /* lianliankan */
date_cmd_init(); /* show and set date */
cal_cmd_init(); /* calculator expression */
gui_init();
ios_init();
media_init();
wtd_cmd_init();
#if 0
fat_cmd_init(); /* fatls */
usb_cmd_init(); /* usb.start ... */
#endif
serial_puts("\n-> ");
FOREVER {
_get_cmd_line(usr_cmd_line);
start_cmd = _del_front_space(usr_cmd_line);
/*
* cmd_line have no char except blank
*/
if (strlen(start_cmd) == 0) {
serial_puts("-> ");
continue;
}
/*
* deal with cmd_line
*/
if (cmd_do(start_cmd) == CMD_EXIT) {
serial_puts("\nAu Revoir!\n");
break;
} else {
serial_puts("\n-> ");
}
}
}
void*
_packet_handler(void* arg) {
struct _packet* p = (struct _packet*) arg;
yldynb_t cmd;
yldynb_t data;
assert(p);
yldynb_init(&cmd, 256);
yldynb_init(&data, 4096);
if (0 > pdu_parser(&cmd, &data, p->data, p->sz))
goto done;
if (0 > cmd_do(yldynb_buf(&cmd), yldynb_buf(&data), yldynb_sz(&data)))
goto done;
done:
yldynb_clean(&cmd);
yldynb_clean(&data);
free(p->data);
free(p);
return NULL;
}
/*==============================================================================
* - T_telnet_server_start()
*
* - fake telnet server task
*/
void T_telnet_server_start ()
{
int socket_id;
struct sockaddr_in serv_addr;
struct sockaddr_in clnt_addr;
char recv_buff[256];
int recv_len;
socklen_t addr_len = sizeof(struct sockaddr_in);
int lwip_ret;
char *start_cmd;
socket_id = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (socket_id < 0) {
serial_printf("telnet: socket() failed!\n");
return;
}
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_len = sizeof(struct sockaddr_in);
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(TELNET_PORT);
serv_addr.sin_addr.s_addr = INADDR_ANY;
lwip_ret = bind(socket_id, (struct sockaddr *)&serv_addr, sizeof(serv_addr));
if (lwip_ret < 0) {
serial_printf("telnet: bind() failed!\n");
goto over;
}
FOREVER {
recv_len = recvfrom (socket_id, recv_buff, sizeof(recv_buff), 0, (struct sockaddr *)&clnt_addr, &addr_len);
if (recv_len <= 0) {
if (errno != ETIMEDOUT && errno != EWOULDBLOCK) {
serial_printf("telnet: recvfrom () failed!\n");
goto over;
}
continue;
}
_G_telnet_open = 1; /* when serial_putc() stor in _G_telnet_buffer */
_G_telnet_buf_context = 0; /* clear output buffer */
/*
* delete user input head space char
*/
recv_buff[recv_len] = '\0'; /* terminal user data */
start_cmd = recv_buff;
while (isspace(*start_cmd)) {
start_cmd++;
}
if (strlen(start_cmd) == 0) { /* cmd_line have no char except blank */
serial_puts("-> ");
} else { /* deal with cmd_line */
if ((strncmp(start_cmd, "vi", 2)) == 0 &&
((strlen(start_cmd) == 2) || (isspace(start_cmd[2])))) { /* is "vi" command */
serial_puts("\nDon't use VI!");
} else {
cmd_do(start_cmd);
}
serial_puts("\n-> ");
}
sendto (socket_id, _G_telnet_buffer, _G_telnet_buf_context, 0, (const struct sockaddr *)&clnt_addr, addr_len);
_G_telnet_open = 0; /* when serial_putc() not stor int _G_telnet_buffer */
}
over:
_G_telnet_open = 0;
close(socket_id);
}
