SNMPRemoteAgent::SNMPRemoteAgent(std::string name, std::string community, unsigned int port, SNMPSession * pSession) {
_name = name;
_port = port;
_community = community;
_bInit = false;
_mySession = false;
_pSession = pSession;
_hEntity = SNMPAPI_FAILURE;
_hContext = SNMPAPI_FAILURE;
if(_pSession == NULL) {
try {
_pSession = new SNMPSession();
} catch(SNMPException * pe) {
SNMP_RETHROW_ERROR("Could not create WinSNMP session", pe, SNMPAPI_OTHER_ERROR, SNMP_ERROR);
}
_mySession = true;
}
HSNMP_SESSION hSession = _pSession->getHandle();
if(hSession == SNMPAPI_FAILURE) {
if(_mySession && _pSession != NULL) {
delete _pSession;
}
_pSession = NULL;
SNMP_THROW_ERROR("Invalid session", SnmpGetLastError(NULL), SNMP_ERROR);
}
_hEntity = SnmpStrToEntity(hSession, _name.c_str());
if (_hEntity == SNMPAPI_FAILURE) {
LPHOSTENT lpHostent = gethostbyname(_name.c_str());
IN_ADDR host;
if(!lpHostent) {
if(_mySession && _pSession != NULL) {
delete _pSession;
}
_pSession = NULL;
SNMP_THROW_ERROR("Could not get host by name", SNMPAPI_OTHER_ERROR, SNMP_ERROR);
}
memmove (&host, lpHostent->h_addr, sizeof(IN_ADDR));
_hEntity = SnmpStrToEntity(hSession, inet_ntoa(host));
if (_hEntity == SNMPAPI_FAILURE) {
if(_mySession && _pSession != NULL) {
delete _pSession;
}
_pSession = NULL;
SNMP_THROW_ERROR("Could not convert remote agent address to entity", SnmpGetLastError(hSession), SNMP_ERROR);
}
}
if(port != 0) {
if(SnmpSetPort(_hEntity, port) != SNMPAPI_SUCCESS) {
SnmpFreeEntity(_hEntity);
_hEntity = SNMPAPI_FAILURE;
if(_mySession && _pSession != NULL) {
delete _pSession;
}
_pSession = NULL;
SNMP_THROW_ERROR("Could not set remote agent port", SnmpGetLastError(hSession), SNMP_ERROR);
}
}
smiOCTETS dCtx;
dCtx.len = (smiUINT32)strlen(community.c_str());
dCtx.ptr = (smiLPBYTE)community.c_str();
_hContext = SnmpStrToContext(hSession, &dCtx);
if (_hContext == SNMPAPI_FAILURE) {
SnmpFreeEntity(_hEntity);
_hEntity = SNMPAPI_FAILURE;
if(_mySession && _pSession != NULL) {
delete _pSession;
}
_pSession = NULL;
SNMP_THROW_ERROR("Could not convert community name to context", SnmpGetLastError(hSession), SNMP_ERROR);
}
_pSession->registerRemoteAgent(this);
_bInit = true;
}
int _tmain(int argc, _TCHAR* argv[])
{
unsigned long majorVal = 1;
unsigned long *major = &majorVal;
unsigned long minorVal = 1;
unsigned long *minor = &minorVal;
unsigned long levelVal = 1;
unsigned long *level = &levelVal;
unsigned long translateModeVal = 1;
unsigned long *translateMode = &translateModeVal;
unsigned long retransmitModeVal = 1;
unsigned long *retransmitMode = &retransmitModeVal;
SnmpStartup(major, minor, level, translateMode, retransmitMode);
HWND hsession;
HSNMP_ENTITY entDest;
char destIP[] = "192.168.1.1";
HSNMP_ENTITY entSrc;
char srcIP[] = "192.168.1.2";
HSNMP_CONTEXT hContext;
char Ctx[]="public";
SNMPAPI_STATUS status = 0;
LPCSTR string = "entityName";
UINT msg;
LPHSNMP_PDU PDU = 0;
LPHSNMP_VBL varbind_lst;
LPHSNMP_CONTEXT context;
smiLPINT PDU_typ, r_id, error_stat, error_index;
smiOCTETS dContext;
smiOID dName;
smiVALUE dValue;
SNMP_worker worker;
HSNMP_SESSION session = SnmpCreateSession(NULL, 0, &SNcallback, (void*)&worker);
entDest = SnmpStrToEntity(session, destIP);
entSrc = SnmpStrToEntity(session, srcIP);
dContext.ptr=(smiLPBYTE)Ctx;
dContext.len=strlen(Ctx);
hContext= SnmpStrToContext(session,&dContext);
printf("entity return: %i\n", entDest);
status = SnmpListen(entDest, status);
printf("listen return: %i\n", status);
while (status = SnmpRecvMsg(session, &entSrc, &entDest, context, PDU) ) {
printf("recv return: %i\n", status);
printf("PDU: %s\n", PDU);
};
SnmpGetPduData(PDU, PDU_typ, r_id, error_stat, error_index, varbind_lst);
printf("%lu, %lu\n", *major, *minor);
printf("%p, %p\n", (void *)major, (void *)minor);
/*
char *ip = "192.168.1.174";
char *community = "public";
LPSNMP_MGR_SESSION ptr;
ptr = SnmpMgrOpen(ip, community, 10000, 3);
SnmpRecvMsg(
SnmpMgrClose(ptr);
*/
SnmpCleanup();
return 0;
}
