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dhcp debugging

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This commit is contained in:
Wolfgang Hottgenroth
2020-11-09 15:07:24 +01:00
parent 1cdb6d2eda
commit 26d4f89d0c
2 changed files with 20 additions and 19 deletions
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37
Internet/DHCP/dhcp.c
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@ -56,7 +56,8 @@
/* If you want to display debug & processing message, Define _DHCP_DEBUG_ in dhcp.h */
#ifdef _DHCP_DEBUG_
#include <stdio.h>
//#include <stdio.h>
int logMsg(const char *format, ...);
#endif
/* DHCP state machine. */
@ -417,7 +418,7 @@ void send_DHCP_DISCOVER(void)
ip[3] = 255;
#ifdef _DHCP_DEBUG_
printf("> Send DHCP_DISCOVER\r\n");
logMsg("> Send DHCP_DISCOVER\r\n");
#endif
sendto(DHCP_SOCKET, (uint8_t *)pDHCPMSG, RIP_MSG_SIZE, ip, DHCP_SERVER_PORT);
@ -515,7 +516,7 @@ void send_DHCP_REQUEST(void)
for (i = k; i < OPT_SIZE; i++) pDHCPMSG->OPT[i] = 0;
#ifdef _DHCP_DEBUG_
printf("> Send DHCP_REQUEST\r\n");
logMsg("> Send DHCP_REQUEST\r\n");
#endif
sendto(DHCP_SOCKET, (uint8_t *)pDHCPMSG, RIP_MSG_SIZE, ip, DHCP_SERVER_PORT);
@ -576,7 +577,7 @@ void send_DHCP_DECLINE(void)
ip[3] = 0xFF;
#ifdef _DHCP_DEBUG_
printf("\r\n> Send DHCP_DECLINE\r\n");
logMsg("\r\n> Send DHCP_DECLINE\r\n");
#endif
sendto(DHCP_SOCKET, (uint8_t *)pDHCPMSG, RIP_MSG_SIZE, ip, DHCP_SERVER_PORT);
@ -598,7 +599,7 @@ int8_t parseDHCPMSG(void)
{
len = recvfrom(DHCP_SOCKET, (uint8_t *)pDHCPMSG, len, svr_addr, &svr_port);
#ifdef _DHCP_DEBUG_
printf("DHCP message : %d.%d.%d.%d(%d) %d received. \r\n",svr_addr[0],svr_addr[1],svr_addr[2], svr_addr[3],svr_port, len);
logMsg("DHCP message : %d.%d.%d.%d(%d) %d received. \r\n",svr_addr[0],svr_addr[1],svr_addr[2], svr_addr[3],svr_port, len);
#endif
}
else {
@ -611,7 +612,7 @@ int8_t parseDHCPMSG(void)
(pDHCPMSG->chaddr[4] != DHCP_CHADDR[4]) || (pDHCPMSG->chaddr[5] != DHCP_CHADDR[5]) )
{
#ifdef _DHCP_DEBUG_
printf("No My DHCP Message. This message is ignored.\r\n");
logMsg("No My DHCP Message. This message is ignored.\r\n");
#endif
return 0;
}
@ -621,7 +622,7 @@ int8_t parseDHCPMSG(void)
((svr_addr[0]!=DHCP_REAL_SIP[0])|| (svr_addr[1]!=DHCP_REAL_SIP[1])|| (svr_addr[2]!=DHCP_REAL_SIP[2])|| (svr_addr[3]!=DHCP_REAL_SIP[3])) )
{
#ifdef _DHCP_DEBUG_
printf("Another DHCP sever send a response message. This is ignored.\r\n");
logMsg("Another DHCP sever send a response message. This is ignored.\r\n");
#endif
return 0;
}
@ -730,7 +731,7 @@ uint8_t DHCP_run(void)
case STATE_DHCP_DISCOVER :
if (type == DHCP_OFFER){
#ifdef _DHCP_DEBUG_
printf("> Receive DHCP_OFFER\r\n");
logMsg("> Receive DHCP_OFFER\r\n");
#endif
DHCP_allocated_ip[0] = pDHCPMSG->yiaddr[0];
DHCP_allocated_ip[1] = pDHCPMSG->yiaddr[1];
@ -746,7 +747,7 @@ uint8_t DHCP_run(void)
if (type == DHCP_ACK) {
#ifdef _DHCP_DEBUG_
printf("> Receive DHCP_ACK\r\n");
logMsg("> Receive DHCP_ACK\r\n");
#endif
if (check_DHCP_leasedIP()) {
// Network info assignment from DHCP
@ -763,7 +764,7 @@ uint8_t DHCP_run(void)
} else if (type == DHCP_NAK) {
#ifdef _DHCP_DEBUG_
printf("> Receive DHCP_NACK\r\n");
logMsg("> Receive DHCP_NACK\r\n");
#endif
reset_DHCP_timeout();
@ -777,7 +778,7 @@ uint8_t DHCP_run(void)
if ((dhcp_lease_time != INFINITE_LEASETIME) && ((dhcp_lease_time/2) < dhcp_tick_1s)) {
#ifdef _DHCP_DEBUG_
printf("> Maintains the IP address \r\n");
logMsg("> Maintains the IP address \r\n");
#endif
type = 0;
@ -808,19 +809,19 @@ uint8_t DHCP_run(void)
ret = DHCP_IP_CHANGED;
dhcp_ip_update();
#ifdef _DHCP_DEBUG_
printf(">IP changed.\r\n");
logMsg(">IP changed.\r\n");
#endif
}
#ifdef _DHCP_DEBUG_
else printf(">IP is continued.\r\n");
else logMsg(">IP is continued.\r\n");
#endif
reset_DHCP_timeout();
dhcp_state = STATE_DHCP_LEASED;
} else if (type == DHCP_NAK) {
#ifdef _DHCP_DEBUG_
printf("> Receive DHCP_NACK, Failed to maintain ip\r\n");
logMsg("> Receive DHCP_NACK, Failed to maintain ip\r\n");
#endif
reset_DHCP_timeout();
@ -850,18 +851,18 @@ uint8_t check_DHCP_timeout(void)
switch ( dhcp_state ) {
case STATE_DHCP_DISCOVER :
// printf("<<timeout>> state : STATE_DHCP_DISCOVER\r\n");
// logMsg("<<timeout>> state : STATE_DHCP_DISCOVER\r\n");
send_DHCP_DISCOVER();
break;
case STATE_DHCP_REQUEST :
// printf("<<timeout>> state : STATE_DHCP_REQUEST\r\n");
// logMsg("<<timeout>> state : STATE_DHCP_REQUEST\r\n");
send_DHCP_REQUEST();
break;
case STATE_DHCP_REREQUEST :
// printf("<<timeout>> state : STATE_DHCP_REREQUEST\r\n");
// logMsg("<<timeout>> state : STATE_DHCP_REREQUEST\r\n");
send_DHCP_REQUEST();
break;
@ -914,7 +915,7 @@ int8_t check_DHCP_leasedIP(void)
// UDP send Timeout occurred : allocated IP address is unique, DHCP Success
#ifdef _DHCP_DEBUG_
printf("\r\n> Check leased IP - OK\r\n");
logMsg("\r\n> Check leased IP - OK\r\n");
#endif
return 1;

2
Internet/DHCP/dhcp.h
View File

@ -55,7 +55,7 @@ extern "C" {
* @details If you want to display debug & processing message, Define _DHCP_DEBUG_
* @note If defined, it depends on <stdio.h>
*/
//#define _DHCP_DEBUG_
#define _DHCP_DEBUG_
/* Retry to processing DHCP */