static void registerEventCallback(char *name, char *buf, int bufSize, void *arg, bool isSynch, int retSize, char *retData, int type)
{
printf("REGISTER EVENT CALLBACK %s %s\n", name, buf);
EventMessage *evMessage = new EventMessage(buf);
int msgLen;
char *msg = evMessage->serialize(msgLen, msgManager);
for(int i = 0; i < numExtAddresses; i++)
{
try {
msgManager->sendMessage(extAddresses[i], msg, msgLen);
}catch(SystemException *exc)
{
printf("Error Sending registration message: %s\n", exc->what());
}
}
((UDPNetworkManager*)udpMsgManager)->join(getMulticastAddr(evMessage->name));
delete [] msg;
delete evMessage;
}
void addExternalListener(NetworkAddress *addr)
{
bool exists = false;
ExternalListener *currListener = extListenerHead;
while(!exists && currListener)
{
exists = currListener->addr->equals(addr);
currListener = currListener->nxt;
}
if(exists)
return;
ExternalListener *newListener = new ExternalListener(addr);
newListener->nxt = extListenerHead;
if(extListenerHead)
extListenerHead->prv = newListener;
extListenerHead = newListener;
if(!extMulticastListener)
{
extMulticastListener = new ExternalListener(getMulticastAddr(eventName));
}
}
int MDSUdpEvent(char *evName, int bufLen, char *buf)
{
char multiIp[64];
int udpSocket;
struct sockaddr_in sin;
char *msg, *currPtr;
int msgLen, nameLen, actBufLen;
int status, error;
struct hostent *hp =(struct hostent *) NULL;
initialize();
getMulticastAddr(evName, multiIp);
udpSocket = getSocket();
#ifdef HAVE_VXWORKS_H
bzero((char *)&sin, sizeof(struct sockaddr_in));
sin.sin_family = AF_INET;
sin.sin_port = htons( getPort() );
sin.sin_len = (u_char)(sizeof(struct sockaddr_in));
if(((sin.sin_addr.s_addr = inet_addr(multiIp)) == ERROR) &&
((sin.sin_addr.s_addr = hostGetByName(multiIp)) == ERROR))
perror("Unknown recipient name in IP address initialization\n");
#else
memset((char *)&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
hp = gethostbyname(multiIp);
if (hp == NULL)
{
unsigned int addr = inet_addr(multiIp);
if (addr != 0xffffffff)
hp = gethostbyaddr((const char *) &addr, (int) sizeof(addr), AF_INET);
}
if(hp != NULL)
memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length);
sin.sin_port = htons( getPort() );
#endif
nameLen = strlen(evName);
if(bufLen < MAX_MSG_LEN - (4 + 4 + nameLen))
actBufLen = bufLen;
else
actBufLen = MAX_MSG_LEN - (4 + 4 + nameLen);
msgLen = 4 + nameLen + 4 + actBufLen;
msg = malloc(msgLen);
currPtr = msg;
*((unsigned int *)currPtr) = htonl(nameLen);
currPtr += 4;
memcpy(currPtr, evName, nameLen);
currPtr += nameLen;
*((unsigned int *)currPtr) = htonl(bufLen);
currPtr += 4;
memcpy(currPtr, buf, bufLen);
LockMdsShrMutex(&sendEventMutex,&sendEventMutex_initialized);
if(sendto(udpSocket, msg, msgLen, 0,
(struct sockaddr *)&sin, sizeof(sin))==-1)
{
perror("Error sending UDP message!\n");
#ifdef HAVE_WINDOWS_H
error = WSAGetLastError();
switch(error)
{
case WSANOTINITIALISED: printf("WSAENETDOWN\n"); break;
case WSAENETDOWN: printf("WSAENETDOWN\n"); break;
case WSAEADDRINUSE: printf("WSAEADDRINUSE\n"); break;
case WSAEINTR : printf("WSAEINTR\n"); break;
case WSAEINPROGRESS: printf("WSAEINPROGRESS\n"); break;
case WSAEALREADY: printf("WSAEALREADY\n"); break;
case WSAEADDRNOTAVAIL: printf("WSAEADDRNOTAVAIL\n"); break;
case WSAEAFNOSUPPORT: printf("WSAEAFNOSUPPORT\n"); break;
case WSAECONNREFUSED : printf("WSAECONNREFUSED\n"); break;
case WSAEFAULT : printf("WSAEFAULT\n"); break;
default: printf("BOH\n");
}
#endif
status = 0;
}
else
status = 1;
UnlockMdsShrMutex(&sendEventMutex);
return status;
}
int MDSUdpEventAst(char *eventName, void (*astadr)(void *,int,char *), void *astprm, int *eventid)
{
struct sockaddr_in serverAddr;
char flag = 1;
int intFlag = 1;
int udpSocket;
char ipAddress[64];
struct ip_mreq ipMreq;
struct EventInfo *currInfo;
int error;
initialize();
if((udpSocket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
{
perror("Error creating socket\n");
return 0;
}
// serverAddr.sin_len = sizeof(serverAddr);
serverAddr.sin_family = AF_INET;
#ifdef HAVE_WXWORKS_H
serverAddr.sin_len = (u_char)sizeof(struct sockaddr_in);
#endif
serverAddr.sin_port = htons(getPort());
serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);
//Allow multiple connections
#ifdef HAVE_WINDOWS_H
if(setsockopt(udpSocket, SOL_SOCKET, SO_REUSEADDR, (const char *)&flag, sizeof(char)) == SOCKET_ERROR)
#else
if(setsockopt(udpSocket, SOL_SOCKET, SO_REUSEADDR, &intFlag, sizeof(int)) < 0)
#endif
{
printf("Cannot set REUSEADDR option\n");
#ifdef HAVE_WINDOWS_H
error = WSAGetLastError();
switch(error)
{
case WSANOTINITIALISED: printf("WSAENETDOWN\n"); break;
case WSAENETDOWN: printf("WSAENETDOWN\n"); break;
case WSAEADDRINUSE: printf("WSAEADDRINUSE\n"); break;
case WSAEINTR : printf("WSAEINTR\n"); break;
case WSAEINPROGRESS: printf("WSAEINPROGRESS\n"); break;
case WSAEALREADY: printf("WSAEALREADY\n"); break;
case WSAEADDRNOTAVAIL: printf("WSAEADDRNOTAVAIL\n"); break;
case WSAEAFNOSUPPORT: printf("WSAEAFNOSUPPORT\n"); break;
case WSAECONNREFUSED : printf("WSAECONNREFUSED\n"); break;
case WSAEFAULT : printf("WSAEFAULT\n"); break;
default: printf("BOH\n");
}
#else
perror("\n");
#endif
return 0;
}
#ifdef HAVE_WINDOWS_H
if(bind(udpSocket, (SOCKADDR *)&serverAddr, sizeof(serverAddr)) != 0)
#else
if(bind(udpSocket, (struct sockaddr *)&serverAddr, sizeof(struct sockaddr_in)) != 0)
#endif
{
perror("Cannot bind socket\n");
return 0;
}
getMulticastAddr(eventName, ipAddress);
ipMreq.imr_multiaddr.s_addr = inet_addr(ipAddress);
ipMreq.imr_interface.s_addr = INADDR_ANY;
if(setsockopt(udpSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&ipMreq, sizeof(ipMreq)) < 0)
{
perror("Error setting socket options IP_ADD_MEMBERSHIPin udpStartReceiver\n");
#ifdef HAVE_WINDOWS_H
error = WSAGetLastError();
switch(error)
{
case WSANOTINITIALISED: printf("WSAENETDOWN\n"); break;
case WSAENETDOWN: printf("WSAENETDOWN\n"); break;
case WSAEADDRINUSE: printf("WSAEADDRINUSE\n"); break;
case WSAEINTR : printf("WSAEINTR\n"); break;
case WSAEINPROGRESS: printf("WSAEINPROGRESS\n"); break;
case WSAEALREADY: printf("WSAEALREADY\n"); break;
case WSAEADDRNOTAVAIL: printf("WSAEADDRNOTAVAIL\n"); break;
case WSAEAFNOSUPPORT: printf("WSAEAFNOSUPPORT\n"); break;
case WSAECONNREFUSED : printf("WSAECONNREFUSED\n"); break;
case WSAEFAULT : printf("WSAEFAULT\n"); break;
default: printf("BOH\n");
}
#endif
}
currInfo = (struct EventInfo *)malloc(sizeof(struct EventInfo));
currInfo->eventName = malloc(strlen(eventName) + 1);
strcpy(currInfo->eventName, eventName);
currInfo->socket = udpSocket;
currInfo->arg = astprm;
currInfo->astadr = astadr;
pthread_create(&currInfo->thread, 0, handleMessage, (void *)currInfo);
pthread_detach(currInfo->thread);
*eventid = getEventId((void *)currInfo);
return 1;
}
