static void dhcp_async_cb(uint8 sock, uint8 item, int32 ret) // for async mode
{
switch(item) {
case WATCH_SOCK_UDP_SEND:
if(dhcp_alarm) alarm_set(10, dhcp_alarm_cb, 0);
dhcp_run_tick = wizpf_get_systick();
if(ret == RET_OK) {
DBG("DHCP Discovery Sent Async");
if(di.state == DHCP_STATE_INIT) SET_STATE(DHCP_STATE_SEARCHING);
else if(di.state == DHCP_STATE_SELECTING) SET_STATE(DHCP_STATE_REQUESTING);
else DBGCRTCA(TRUE, "wrong state(%d)", di.state);
} else {
DBGA("WATCH_SOCK_UDP_SEND fail - ret(%d)", ret);
}
break;
case WATCH_SOCK_TCP_SEND:
case WATCH_SOCK_CONN_TRY:
case WATCH_SOCK_CLS_TRY:
case WATCH_SOCK_CONN_EVT:
case WATCH_SOCK_CLS_EVT:
case WATCH_SOCK_RECV:
DBGCRTC(TRUE, "DHCP does not use TCP");
default: DBGCRTCA(TRUE, "wrong item(0x%x)", item);
}
}
static int8 sock_put(uint8 sock)
{
DBGCRTCA(sock<ATC_SOCK_NUM_START||sock>ATC_SOCK_NUM_END, "wrong sock(%d)", sock);
if(sockstat[sock] & SOCK_STAT_UDP) {
udpip[sock][0] = udpip[sock][1] = udpip[sock][2] = 0;
udpip[sock][3] = udpport[sock] = 0;
}
sockstat[sock] = SOCK_STAT_IDLE;
sockport[sock] = 0;
sockwatch_clr(sock, WATCH_SOCK_ALL_MASK);
return RET_OK;
}
static int8 sock_get(int8 initval, uint16 srcport)
{
int8 i;
DBGCRTCA(initval<1||initval>3, "wrong init value(%d)", initval);
for(i=ATC_SOCK_NUM_START; i<=ATC_SOCK_NUM_END; i++) {
if(sockstat[i] == SOCK_STAT_IDLE) {
sockstat[i] = initval;
sockport[i] = srcport; //DBGA("Sock(%d) Assign stt(%d), port(%d)", i, sockstat[i], sockport[i]);
return i;
}
}
return RET_NOK;
}
static void dhcp_run(void)
{
static bool udp_open_fail = FALSE;
if(di.state == DHCP_STATE_INIT && di.action != DHCP_ACT_START) {
DBG("wrong attempt");
return;
} else if(GetUDPSocketStatus(di.sock) == SOCKSTAT_CLOSED) {
if(udp_open_fail == TRUE && !IS_TIME_PASSED(dhcp_run_tick, DHCP_RETRY_DELAY))
goto RET_ALARM;
ClsNetInfo(NI_IP_ADDR);
ClsNetInfo(NI_SN_MASK);
ClsNetInfo(NI_GW_ADDR);
ClsNetInfo(NI_DNS_ADDR);
if(UDPOpen(di.sock, DHCP_CLIENT_PORT) == RET_OK) {
if(dhcp_async) sockwatch_open(di.sock, dhcp_async_cb);
udp_open_fail = FALSE;
dhcp_run_tick = wizpf_get_systick();
dhcp_run_cnt = 0;
} else {
ERR("UDPOpen fail");
udp_open_fail = TRUE;
dhcp_run_tick = wizpf_get_systick();
goto RET_ALARM;
}
}
switch(di.state) {
case DHCP_STATE_INIT:
if(dhcp_run_cnt==0 && !IS_TIME_PASSED(dhcp_run_tick, DHCP_OPEN_DELAY))
goto RET_ALARM;
if(dhcp_run_cnt < DHCP_SEND_RETRY_COUNT) {
dhcp_run_cnt++;
if(send_discover() == RET_OK) { // Discover ok
if(dhcp_async) {
DBG("DHCP Discovery Send Async");
sockwatch_set(di.sock, WATCH_SOCK_UDP_SEND);
return; // alarm set is not needed
} else {
DBG("DHCP Discovery Sent");
SET_STATE(DHCP_STATE_SEARCHING);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Discovery SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Discovery SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_cnt = 0;
UDPClose(di.sock);
if(dhcp_async) sockwatch_close(di.sock);
dhcp_fail();
return; // alarm set is not needed
}
break;
case DHCP_STATE_SEARCHING:
if(!IS_TIME_PASSED(dhcp_run_tick, DHCP_RETRY_DELAY)) {
int8 ret = recv_handler();
if(ret == DHCP_MSG_OFFER) {
SET_STATE(DHCP_STATE_SELECTING);
dhcp_run_tick = wizpf_get_systick();
dhcp_run_cnt = 0;
} else if(ret != RET_NOK) DBGCRTCA(TRUE, "recv wrong packet(%d)", ret);
} else {
ERRA("DHCP Offer RECV fail - for (%d)msec", DHCP_RETRY_DELAY);
SET_STATE(DHCP_STATE_INIT);
dhcp_run_tick = wizpf_get_systick();
}
break;
case DHCP_STATE_SELECTING:
if(dhcp_run_cnt < DHCP_SEND_RETRY_COUNT) {
dhcp_run_cnt++;
if(send_request() == RET_OK) { // Request ok
if(dhcp_async) {
DBG("DHCP Request Send Async");
sockwatch_set(di.sock, WATCH_SOCK_UDP_SEND);
return; // alarm set is not needed
} else {
DBG("DHCP Request Sent");
SET_STATE(DHCP_STATE_REQUESTING);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Request SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_tick = wizpf_get_systick();
}
} else {
ERRA("DHCP Request SEND fail - (%d)times", dhcp_run_cnt);
dhcp_run_cnt = 0;
UDPClose(di.sock);
if(dhcp_async) sockwatch_close(di.sock);
dhcp_fail();
return; // alarm set is not needed
}
break;
case DHCP_STATE_REQUESTING:
if(!IS_TIME_PASSED(dhcp_run_tick, DHCP_RETRY_DELAY)) {
int8 ret = recv_handler();
if(ret == DHCP_MSG_ACK) { // Recv ACK
LOG("DHCP Success");
SET_STATE(DHCP_STATE_IP_CHECK);
dhcp_run_tick = wizpf_get_systick();
dhcp_run_cnt = 0;
} else if(ret == DHCP_MSG_NAK) { // Recv NAK
if(di.action == DHCP_ACT_START) {
SET_STATE(DHCP_STATE_INIT);
dhcp_run_tick = wizpf_get_systick();
} else {
SET_STATE(DHCP_STATE_BOUND);
}
dhcp_run_cnt = 0;
} else if(ret != RET_NOK) DBGCRTCA(TRUE, "recv wrong packet(%d)", ret);
} else {
ERRA("DHCP ACK RECV fail - for (%d)msec", DHCP_RETRY_DELAY);
if(di.action == DHCP_ACT_START) {
SET_STATE(DHCP_STATE_INIT);
dhcp_run_tick = wizpf_get_systick();
} else {
SET_STATE(DHCP_STATE_BOUND);
}
}
break;
case DHCP_STATE_IP_CHECK:
//if(send_checker() == RET_OK) {
SET_STATE(DHCP_STATE_BOUND);
SetNetInfo(&workinfo);
if(di.ip_update) di.ip_update();
LOGA("DHCP ok - New IP (%d.%d.%d.%d)",
workinfo.ip[0], workinfo.ip[1], workinfo.ip[2], workinfo.ip[3]);
//} else {
// SET_STATE(DHCP_STATE_INIT);
// ERR("IP Addr conflicted - IP(%d.%d.%d.%d)", workinfo.ip[0], workinfo.ip[1], workinfo.ip[2], workinfo.ip[3]);
// send_rel_dec(DHCP_MSG_DECLINE);
// if(di.ip_conflict) (*di.ip_conflict)();
//}
break;
case DHCP_STATE_BOUND:
di.action = DHCP_ACT_NONE;
UDPClose(di.sock);
if(dhcp_async) sockwatch_close(di.sock);
return; // alarm set is not needed
case DHCP_STATE_FAILED:
return; // alarm set is not needed
default:
ERRA("wrong state(%d)", di.state);
return; // alarm set is not needed
}
RET_ALARM:
if(dhcp_alarm) alarm_set(10, dhcp_alarm_cb, 0);
}
void atc_async_cb(uint8 sock, uint8 item, int32 ret)
{
DBGCRTCA(sock<ATC_SOCK_NUM_START||sock>ATC_SOCK_NUM_END, "wrong sock(%d)", sock);
switch(item) {
case WATCH_SOCK_UDP_SEND: DBG("WATCH_SOCK_UDP_SEND");
sockbusy[sock] = VAL_FALSE; //DBGA("WATCH UDP Sent - sock(%d), item(%d)", sock, item);
if(ret == RET_OK) {
cmd_resp(RET_OK, sock);
} else {
DBGA("WATCH_SOCK_UDP_SEND fail - ret(%d)", ret);
cmd_resp(RET_TIMEOUT, sock);
}
break;
case WATCH_SOCK_TCP_SEND: DBG("WATCH_SOCK_TCP_SEND");
if(ret < RET_OK) {
sockbusy[sock] = VAL_FALSE;
DBGA("WATCH_SOCK_TCP_SEND fail - ret(%d)", ret);
sock_put(sock);
cmd_resp(RET_TIMEOUT, sock);
} else {
tcpleft[sock] -= ret;
if(tcpleft[sock] > 0) {
ret = TCPReSendNB(sock);
if(ret != RET_OK) {
if(ret == SOCKERR_BUSY) {
alarm_set(WINDOWFULL_WAIT_TIME, atc_resend_alarm, sock);
} else if(ret == SOCKERR_WINDOW_FULL) {
sockbusy[sock] = VAL_FALSE;
DBGA("WATCH_SOCK_TCP_SEND fail - ret(%d)", ret);
cmd_resp(RET_TIMEOUT, sock);
} else {
sockbusy[sock] = VAL_FALSE;
DBGA("WATCH_SOCK_TCP_SEND fail - ret(%d)", ret);
sock_put(sock);
cmd_resp(RET_TIMEOUT, sock);
}
} else sockwatch_set(sock, WATCH_SOCK_TCP_SEND);
} else {
sockbusy[sock] = VAL_FALSE;
cmd_resp(RET_OK, sock);
}
}
break;
case WATCH_SOCK_CONN_TRY: DBG("WATCH_SOCK_CONN_TRY");
sockbusy[sock] = VAL_FALSE;
if(ret == RET_OK) {
BITSET(sockstat[sock], SOCK_STAT_CONNECTED);
sockwatch_set(sock, WATCH_SOCK_CLS_EVT);
sockwatch_set(sock, WATCH_SOCK_RECV);
cmd_resp(RET_ASYNC, sock);
} else {
DBGA("WATCH_SOCK_CONN_EVT fail - ret(%d)", ret);
sock_put(sock);
cmd_resp(RET_TIMEOUT, sock);
}
break;
case WATCH_SOCK_CLS_TRY: DBG("WATCH_SOCK_CLS_TRY");
sockbusy[sock] = VAL_FALSE;
if(ret == RET_OK) {
sock_put(sock);
cmd_resp(RET_ASYNC, sock);
} else {
CRITICAL_ERRA("WATCH_SOCK_CONN_EVT fail - ret(%d)", ret);
}
break;
case WATCH_SOCK_CONN_EVT: DBG("WATCH_SOCK_CONN_EVT");
if(ret == RET_OK) {
BITSET(sockstat[sock], SOCK_STAT_CONNECTED);
sockwatch_set(sock, WATCH_SOCK_CLS_EVT);
sockwatch_set(sock, WATCH_SOCK_RECV);
if(atci.poll != POLL_MODE_FULL) EVENT_RESP(sock, SOCKEVENT_CONN);
else event_enqueue(sock, SOCKEVENT_CONN);
} else {
CRITICAL_ERRA("WATCH_SOCK_CONN_EVT fail - ret(%d)", ret);
}
break;
case WATCH_SOCK_CLS_EVT: DBG("WATCH_SOCK_CLS_EVT");
sockbusy[sock] = VAL_FALSE;
if(ret == RET_OK) {
if(sockwatch_chk(sock, WATCH_SOCK_CLS_TRY) == RET_OK)
cmd_resp(RET_OK, sock);
sock_put(sock);
if(atci.poll != POLL_MODE_FULL) EVENT_RESP(sock, SOCKEVENT_CLS);
else event_enqueue(sock, SOCKEVENT_CLS);
} else {
CRITICAL_ERRA("WATCH_SOCK_CONN_EVT fail - ret(%d)", ret);
}
break;
case WATCH_SOCK_RECV: DBG("WATCH_SOCK_RECV");
{
int8 i;
if(atci.poll != POLL_MODE_NONE) {
recvnum++;
if(recvord[sock] == 0) {
for(i=ATC_SOCK_NUM_START; i<=ATC_SOCK_NUM_END; i++)
if(recvord[i] != 0) recvord[i]++;
} else {
for(i=ATC_SOCK_NUM_START; i<=ATC_SOCK_NUM_END; i++)
if(recvord[i] != 0 && recvord[i] < recvord[sock]) recvord[i]++;
}
recvord[sock] = 1;
if(atci.poll != POLL_MODE_FULL)
EVENT_RESP_SIZE(sock, SOCKEVENT_RECV, GetSocketRxRecvBufferSize(sock));
else event_enqueue(sock, SOCKEVENT_RECV);
} else {
act_nrecv(sock, WORK_BUF_SIZE);
}
}
break;
default: CRITICAL_ERRA("wrong item(0x%x)", item);
}
}