int
SCTP_receive(unsigned int associationID, unsigned short streamID, unsigned char *buffer,
unsigned int *length, unsigned short* streamSN, unsigned int * tsn, unsigned int flags)
{
int result;
if ((result = sctp_receive(associationID, streamID, buffer, length, streamSN, tsn, flags))!=0) {
if (result == SCTP_LIBRARY_NOT_INITIALIZED) {
fprintf(stderr, "sctp_receive: library not initialized.\n");
} else
if (result == SCTP_ASSOC_NOT_FOUND) {
fprintf(stderr, "sctp_receive: association not found.\n");
} else
if (result == SCTP_MODULE_NOT_FOUND) {
fprintf(stderr, "sctp_receive: internal error.\n");
} else
if (result == SCTP_SPECIFIC_FUNCTION_ERROR) {
/* fprintf(stderr, "sctp_receive: NO DATA AVAILABLE.\n"); */
} else
if (result == SCTP_PARAMETER_PROBLEM) {
fprintf(stderr, "sctp_receive: parameter problem (Null-Pointers, PathID ?)\n");
}
fflush(stderr);
}
return result;
}
void dataArriveNotif(unsigned int assocID, unsigned int streamID, unsigned int len,
unsigned short streamSN,unsigned int TSN, unsigned int protoID, unsigned int unordered, void* ulpDataPtr)
{
unsigned char chunk[SCTP_MAXIMUM_DATA_LENGTH];
unsigned int length;
unsigned int tsn;
unsigned short ssn;
if (vverbose) {
sprintf(tstr, "%-8x: Data arrived (%u bytes on stream %u, %s)\n",
assocID, len, streamID, (unordered==SCTP_ORDERED_DELIVERY)?"ordered":"unordered");
waddstr(statusWin,tstr);
wrefresh(statusWin);
}
/* read it */
length = sizeof(chunk);
sctp_receive(assocID, streamID, chunk, &length, &ssn, &tsn, SCTP_MSG_DEFAULT);
if (!(len>length)) {
chunk[len] = 0;
}
waddstr(peerWin, (char *)chunk);
wrefresh(peerWin);
}
void dataArriveNotif(unsigned int assocID, unsigned short streamID, unsigned int len,
unsigned short streamSN,unsigned int TSN, unsigned int protoID,
unsigned int unordered, void* ulpDataPtr)
{
char chunk[SCTP_MAXIMUM_DATA_LENGTH + 1];
unsigned int length;
int i;
unsigned int InstreamID_position = 0;
unsigned int tsn;
unsigned short ssn;
sprintf(statusInfo, " Association ID =%-8x: Data arrived (%u bytes on stream %u, %s)\n",
assocID, len, streamID, (unordered==SCTP_ORDERED_DELIVERY)?"ordered":"unordered");
waddstr(statusWin,statusInfo);
wrefresh(statusWin);
/* read it */
length = SCTP_MAXIMUM_DATA_LENGTH;
sctp_receive(assocID, streamID, (unsigned char *)chunk, &length, &ssn, &tsn, SCTP_MSG_DEFAULT);
chunk[length]=0;
/* and display it */
sprintf(receivedInfo, " Data received : %s", chunk);
waddstr(receivedWin,receivedInfo);
wrefresh(receivedWin);
/* Stores the stream Id into the structure statusUpdate each time a data arrives */
for (i=0; i <statusUpdate.noOfInStreams; i++)
{
if (statusUpdate.InstreamIDList[i] == -1)
{
statusUpdate.InstreamIDList[i] = streamID;
InstreamID_position = i;
}
else if (statusUpdate.InstreamIDList[i] != -1 &&
statusUpdate.InstreamIDList[i] != streamID)
{
statusUpdate.InstreamIDList[i] = streamID;
InstreamID_position = i;
}
else if (statusUpdate.InstreamIDList[i] == streamID)
{
InstreamID_position = i;
}
}
/* Update the current position of the InstreamIDList array */
currInstreamID = InstreamID_position;
/* Display the Association details */
ncurses_display_AssocStatus(assocID);
if (!periodicRefresh)
{
/* Display the primary path details by default when data arrive */
displayPathDetails = 1;
chosenPath = sctp_getPrimary(assocID);
ncurses_display_PathStatus(assocID);
}
}
