int
SCTP_receiveUnacked(unsigned int associationID, unsigned char *buffer, unsigned int *length, unsigned int* tsn,
unsigned short *streamID, unsigned short *streamSN,unsigned int* protocolId)
{
int result;
unsigned char flags;
void* ctx;
if ((result = sctp_receiveUnacked(associationID, buffer, length, tsn,
streamID, streamSN, protocolId, &flags, &ctx)) < 0) {
if (result == SCTP_WRONG_STATE) {
fprintf(stderr, "SCTP_receiveUnacked: Association is not in state CLOSED. \n");
}else if (result ==SCTP_ASSOC_NOT_FOUND){
fprintf(stderr, "SCTP_receiveUnacked: Association not found \n");
}else if (result == SCTP_NO_CHUNKS_IN_QUEUE){
/* fprintf(stderr, "SCTP_receiveUnacked: Queue is already empty.\n"); */
}else if (result == SCTP_LIBRARY_NOT_INITIALIZED){
fprintf(stderr, "SCTP_receiveUnacked: Library not Initialized \n");
}else if (result == SCTP_PARAMETER_PROBLEM){
fprintf(stderr, "SCTP_receiveUnacked: parameter problem, NULL pointer passed ?\n");
} else {
fprintf(stderr, "SCTP_receiveUnacked: unknown value (%i) returned.\n", result);
}
fflush(stderr);
}
return result;
}
void communicationLostNotif(unsigned int assocID, unsigned short status, void* ulpDataPtr)
{
unsigned char buffer[SCTP_MAXIMUM_DATA_LENGTH];
unsigned int bufferLength;
unsigned short streamID, streamSN;
unsigned int protoID;
unsigned int tsn;
unsigned char flags;
void* ctx;
sprintf(statusInfo, " Association ID =%-8x: Communication lost (status %u)\n", assocID, status);
waddstr(statusWin,statusInfo);
wrefresh(statusWin);
return;
/* retrieve data */
bufferLength = sizeof(buffer);
while (sctp_receiveUnsent(assocID, buffer, &bufferLength, &tsn,
&streamID, &streamSN, &protoID, &flags, &ctx) >= 0) {
/* do something with the retrieved data */
/* after that, reset bufferLength */
bufferLength = sizeof(buffer);
}
bufferLength = sizeof(buffer);
while (sctp_receiveUnacked(assocID, buffer, &bufferLength, &tsn,
&streamID, &streamSN, &protoID, &flags, &ctx) >= 0) {
/* do something with the retrieved data */
/* after that, reset bufferLength */
bufferLength = sizeof(buffer);
}
/* delete the association, instace and terminate */
sctp_deleteAssociation(assocID);
sctp_unregisterInstance(sctpInstance);
exit(0);
}
void communicationLostNotif(unsigned int assocID, unsigned short status, void* ulpDataPtr)
{
unsigned char buffer[SCTP_MAXIMUM_DATA_LENGTH];
unsigned int bufferLength;
unsigned short streamID, streamSN;
unsigned int protoID;
unsigned int tsn;
unsigned char flags;
void * ctx;
if (verbose) {
sprintf(tstr, "%-8x: Communication lost (status %u)\n", assocID, status);
waddstr(statusWin,tstr);
}
return;
/* retrieve data */
bufferLength = sizeof(buffer);
while (sctp_receiveUnsent(assocID, buffer, &bufferLength, &tsn,
&streamID, &streamSN, &protoID, &flags, &ctx) >= 0){
/* do something with the retrieved data */
/* after that, reset bufferLength */
bufferLength = sizeof(buffer);
}
bufferLength = sizeof(buffer);
while (sctp_receiveUnacked(assocID, buffer, &bufferLength, &tsn,
&streamID, &streamSN, &protoID, &flags, &ctx) >= 0){
/* do something with the retrieved data */
/* after that, reset bufferLength */
bufferLength = sizeof(buffer);
}
/* delete the association */
sctp_deleteAssociation(assocID);
}
