void
main_thread_entry(cyg_addrword_t p)
{
CYG_TEST_INFO("Initializing lwIP");
cyg_lwip_simple_init();
test_state = TEST_CHAT_INIT;
req_state = REQ_DNS_INIT;
while (1) {
cyg_lwip_simple_poll();
switch (test_state) {
case TEST_INITIAL:
diag_printf("INFO:<Starting test run (%d/%d)>\n", run, NUM_RUNS);
test_state = TEST_CHAT_INIT;
break;
case TEST_CHAT_INIT:
CYG_TEST_INFO("Initializing chat");
sd = sio_open(SIO_DEV_PPPOS);
if (!sd)
CYG_TEST_FAIL_FINISH("Cannot open serial");
chat = chat_new(sd, chat_items, CHAT_TIMEOUT, chat_cb, chat_send_cb, NULL);
if (!chat)
CYG_TEST_FAIL_FINISH("Cannot allocate chat");
test_state = TEST_CHAT_RUN;
break;
case TEST_CHAT_RUN:
chat_poll(chat);
break;
case TEST_CHAT_FINISH:
chat_free(chat);
if (chat_ok)
test_state = TEST_PPP_INIT;
else
test_state = TEST_NEXT_RUN;
break;
case TEST_PPP_INIT:
CYG_TEST_INFO("Initializing PPP");
if (ppp_init() != ERR_OK)
CYG_TEST_FAIL_FINISH("Cannot initialize PPP");
pd = ppp_open_serial(sd, ppp_status_cb, (void *) pd);
if (pd < 0)
CYG_TEST_FAIL_FINISH("Cannot open PPP over serial");
ppp_set_auth(PPPAUTHTYPE_ANY, CYGDAT_NET_LWIP_PPP_TEST_USERNAME,
CYGDAT_NET_LWIP_PPP_TEST_PASSWORD);
test_state = TEST_PPP_INIT_WAIT;
break;
case TEST_PPP_INIT_WAIT:
ppp_poll(pd);
break;
case TEST_PPP_UP:
ppp_poll(pd);
handle_req_state();
break;
case TEST_PPP_CLOSE:
ppp_close(pd);
test_state = TEST_PPP_CLOSE_WAIT;
break;
case TEST_PPP_CLOSE_WAIT:
ppp_poll(pd);
if (!ppp_is_open(pd))
// Escape from data mode
sio_write(sd, (u8_t *) "+++", 3);
cyg_thread_delay(200);
test_state = TEST_NEXT_RUN;
break;
case TEST_NEXT_RUN:
if (run < NUM_RUNS) {
run++;
test_state = TEST_INITIAL;
} else {
test_state = TEST_FINISH;
}
break;
case TEST_FINISH:
test_state = TEST_CHAT_INIT;
diag_printf("INFO:<Test done (%d/%d) successful runs\n",
success, NUM_RUNS);
break;
}
cyg_thread_yield();
}
}
int pppd(struct pppd_settings_s *pppd_settings)
{
struct pollfd fds[2];
int ret;
struct ppp_context_s *ctx;
ctx = (struct ppp_context_s*)malloc(sizeof(struct ppp_context_s));
memset(ctx, 0, sizeof(struct ppp_context_s));
strcpy((char*)ctx->ifname, "ppp%d");
ctx->settings = pppd_settings;
ctx->if_fd = tun_alloc((char*)ctx->ifname);
if (ctx->if_fd < 0)
{
free(ctx);
return 2;
}
ctx->ctl.fd = open_tty(pppd_settings->ttyname);
if (ctx->ctl.fd < 0)
{
close(ctx->ctl.fd);
free(ctx);
return 2;
}
ctx->ctl.echo = true;
ctx->ctl.verbose = true;
ctx->ctl.timeout = 30;
fds[0].fd = ctx->if_fd;
fds[0].events = POLLIN;
fds[1].fd = ctx->ctl.fd;
fds[1].events = POLLIN;
ppp_init(ctx);
ppp_reconnect(ctx);
while (1)
{
fds[0].revents = fds[1].revents = 0;
ret = poll(fds, 2, 1000);
if (ret > 0 && fds[0].revents & POLLIN)
{
ret = read(ctx->if_fd, ctx->ip_buf, PPP_RX_BUFFER_SIZE);
printf("read from tun :%i\n", ret);
if (ret > 0)
{
ctx->ip_len = ret;
ppp_send(ctx);
ctx->ip_len = 0;
}
}
ppp_poll(ctx);
if (ppp_check_errors(ctx))
{
ppp_reconnect(ctx);
}
else
{
if (ctx->ip_len > 0)
{
ret = write(ctx->if_fd, ctx->ip_buf, ctx->ip_len);
ctx->ip_len = 0;
ret = read(ctx->if_fd, ctx->ip_buf, PPP_RX_BUFFER_SIZE);
if (ret > 0)
{
ctx->ip_len = ret;
ppp_send(ctx);
ctx->ip_len = 0;
}
}
}
}
return 1;
}