void onGotGoodbye(const SyncSource& source, const std::string& reason)
{
cout << "I got a Goodbye packet from "
<< hex << (int)source.getID() << "@"
<< dec
<< source.getNetworkAddress() << ":"
<< source.getControlTransportPort() << endl;
cout << " Goodbye reason: \"" << reason << "\"" << endl;
}
// redefined from QueueRTCPManager
void onGotRR(SyncSource& source, RecvReport& RR, uint8 blocks)
{
SingleThreadRTPSession::onGotRR(source,RR,blocks);
cout << "I got an RR RTCP report from "
<< hex << (int)source.getID() << "@"
<< dec
<< source.getNetworkAddress() << ":"
<< source.getControlTransportPort() << endl;
}
// redefined from QueueRTCPManager
void
onGotSR(SyncSource& source, SendReport& SR, uint8 blocks)
{
RTPSession::onGotSR(source,SR,blocks);
cout << "I got an SR RTCP report from "
<< hex << (int)source.getID() << "@"
<< dec
<< source.getNetworkAddress() << ":"
<< source.getControlTransportPort() << endl;
}
/*
* Processes the initialization response. Returns 0 in case of success, an
* error code in case of error.
*
* @param msg the response from the server
*/
int SyncMLProcessor::processServerAlert(SyncSource& source, SyncML* syncml) {
int ret = -1;
int iterator = 0;
AbstractCommand* a = NULL;
bool found = false;
ret = 0;
do {
a = getCommand(syncml->getSyncBody(), ALERT, iterator);
if (a == NULL) {
// This happens with the Synthesis server's reply:
// instead of sending SyncBody/Alert we get SyncBody/Put
// with device infos and a SyncBody/Get requesting our own
// device infos. Ignoring the request is not correct, but
// allows synchronization to proceed and complete eventually
// without any further errors. For that to work we must not
// set lastErrorCode here, as it will be checked at the end of
// the sync.
//
// lastErrorCode = ERR_REPRESENTATION;
// sprintf(lastErrorMsg, "SyncBody/Alert not found!");
goto finally;
}
Alert* alert = (Alert*)a;
Item* item = NULL;
ArrayList* itemList = alert->getItems();
for (int i = 0; i < itemList->size(); i++) {
item = (Item*)getArrayElement(itemList, i);
const char *locURI = ((Target*)item->getTarget())->getLocURI();
if (strcmp( locURI, _wcc(source.getName()) ) == 0) {
if ( !alert->getData() ) {
setError(ERR_REPRESENTATION, "SyncBody/Alert/Data not found!");
goto finally;
}
source.setSyncMode((SyncMode)alert->getData());
ret = 0;
found = true;
break;
}
}
iterator++;
if (found)
break;
} while(a);
finally:
return ret;
}
// redefined from QueueRTCPManager
bool
onGotSDESChunk(SyncSource& source, SDESChunk& chunk, size_t len)
{
bool result = RTPSession::onGotSDESChunk(source,chunk,len);
cout << "I got a SDES chunk from "
<< hex << (int)source.getID() << "@"
<< dec
<< source.getNetworkAddress() << ":"
<< source.getControlTransportPort()
<< " ("
<< source.getParticipant()->getSDESItem(SDESItemTypeCNAME)
<< ") " << endl;
return result;
}
void RTPAudio::onGotHello(const SyncSource &src)
{
RTPEvent *event = RTPEvent::first;
slog(Slog::levelDebug) << "hello(" << src.getID() << ") ";
Participant* p = src.getParticipant();
slog() << p->getSDESItem(SDESItemTypeCNAME) << std::endl;
while(event)
{
event->gotHello(src);
event = event->next;
}
}
void RTPAudio::onGotGoodbye(const SyncSource &src, const string& reason)
{
RTPEvent *event = RTPEvent::first;
slog(Slog::levelDebug) << "bye(" << src.getID() << ") ";
Participant* p = src.getParticipant();
slog() << p->getSDESItem(SDESItemTypeCNAME) << "; " << reason;
slog() << std::endl;
while(event)
{
event->gotGoodbye(src, reason);
event = event->next;
}
}
static bool checkSourceUnderSync(const WCHAR* sourceName, SyncSource& source) {
if (!wcscmp(source.getName(), sourceName)) {
return true;
}
return false;
}
int SyncMLProcessor::processAlertStatus(SyncSource& source, SyncML* syncml, ArrayList* alerts) {
int ret = -1;
const char* name = NULL;
Status* s = NULL;
SourceRef* sourceRef = NULL;
if (alerts->size()) {
ArrayList* list = syncml->getSyncBody()->getCommands();
for (int i = 0; i < list->size(); i++) {
// is returned the pointer to the element not a new element
name = ((AbstractCommand*)(list->get(i)))->getName();
if (name && strcmp(name, STATUS) == 0) {
s = (Status*)list->get(i);
if (strcmp(s->getCmd(), ALERT) == 0) {
sourceRef = (SourceRef*)(s->getSourceRef()->get(0));
if (sourceRef) {
if (strcmp(_wcc(source.getName()),
sourceRef->getValue()) == 0) {
ret = getAlertStatusCode(s, _wcc(source.getName()));
break;
}
} else {
// Server did not include <SourceRef>, which
// is a violation of the standard for commands
// which were sent with <SourceRef>. Happens
// with Synthesis server if authentication
// failed, in which case we can simply ignore
// it.
}
}
}
}
}
// Fire a syncStatus event: Alert status from server
fireSyncStatusEvent(ALERT, ret, source.getConfig().getName(), source.getConfig().getURI(), NULL, SERVER_STATUS);
return ret;
}
// redefined from IncomingDataQueue
void onNewSyncSource(const SyncSource& src)
{
cout << "* New synchronization source: " <<
hex << (int)src.getID() << endl;
}
int SyncMLProcessor::processItemStatus(SyncSource& source, SyncBody* syncBody) {
ArrayList* items = NULL;
Item* item = NULL;
SourceRef* sourceRef = NULL;
Status* s = NULL;
const char* name = NULL;
Data* data = NULL;
int ret = 0;
ArrayList* list = getCommands(syncBody, STATUS);
for (int i = 0; i < list->size(); i++) {
s = (Status*)list->get(i);
name = s->getCmd();
data = s->getData();
if (strcmp(name, SYNC) == 0){
char *srcname = toMultibyte(source.getName());
int alertStatus = getAlertStatusCode(s, srcname);
delete [] srcname;
/*
* Try to find if the server send a message together the error code if any
* The items in the status message should be always one...
*/
char *statusMessage = NULL;
items = s->getItems();
for (int k = 0; k < items->size(); k++) {
item = (Item*)items->get(k);
if (item) {
ComplexData* cd = item->getData();
if (cd) {
statusMessage = stringdup(cd->getData());
}
}
}
// Fire Sync Status Event: sync status from server
fireSyncStatusEvent(SYNC, s->getStatusCode(), source.getConfig().getName(), source.getConfig().getURI(), NULL, SERVER_STATUS);
if(alertStatus < 0 || alertStatus >=300){
if (statusMessage) {
//strcpy(lastErrorMsg, statusMessage);
setError( alertStatus, statusMessage);
} else {
//strcpy(lastErrorMsg, "Error in sync status sent by server.");
setError( alertStatus, "Error in sync status sent by server.");
}
if ((ret = alertStatus) < 0)
LOG.error("processItemStatus: status not found in SYNC");
else
LOG.error("processItemStatus: server sent status %d in SYNC", alertStatus);
break;
}
if (statusMessage) {
delete [] statusMessage;
}
}
else if (strcmp(name, ADD) == 0 ||
strcmp(name, REPLACE) == 0 ||
strcmp(name, DEL) == 0) {
int k;
items = s->getItems();
long val = strtol(data->getData() , NULL, 10);
for (k = 0; k < items->size(); k++) {
item = (Item*)items->get(k);
if (item) {
Source* itemSource = item->getSource();
if (itemSource) {
WCHAR *uri = toWideChar(itemSource->getLocURI());
ComplexData* cd = item->getData();
WCHAR *statusMessage = NULL;
if (cd) {
statusMessage = toWideChar(cd->getData());
}
// Fire Sync Status Event: item status from server
fireSyncStatusEvent(s->getCmd(), s->getStatusCode(), source.getConfig().getName(), source.getConfig().getURI(), uri, SERVER_STATUS);
// Update SyncReport
source.getReport()->addItem(SERVER, s->getCmd(), uri, s->getStatusCode(), statusMessage);
source.setItemStatus(uri, val, name);
delete [] uri;
if (statusMessage)
delete [] statusMessage;
} else {
// the item might consist of additional information, as in:
// <SourceRef>pas-id-44B544A600000092</SourceRef>
// <Data>200</Data>
// <Item><Data>Conflict resolved by server</Data></Item>
}
}
}
items = s->getSourceRef();
for (k = 0; k < items->size(); k++) {
sourceRef = (SourceRef*)items->get(k);
if (sourceRef) {
WCHAR *srcref = toWideChar(sourceRef->getValue());
// Fire Sync Status Event: item status from server
fireSyncStatusEvent(s->getCmd(), s->getStatusCode(), source.getConfig().getName(), source.getConfig().getURI(), srcref, SERVER_STATUS);
// Update SyncReport
source.getReport()->addItem(SERVER, s->getCmd(), srcref, s->getStatusCode(), NULL);
source.setItemStatus(srcref, val, name);
delete [] srcref;
}
}
}
}
//deleteArrayList(&list);
if (list){
delete list;
list = NULL;
}
return ret;
}
size_t
ZrtpQueue::rtpDataPacket(unsigned char* buffer, int32 rtn, InetHostAddress network_address, tpport_t transport_port)
{
// Special handling of padding to take care of encrypted content.
// In case of SRTP the padding length field is also encrypted, thus
// it gives a wrong length. Check and clear padding bit before
// creating the RTPPacket. Will be set and re-computed after a possible
// SRTP decryption.
uint8 padSet = (*buffer & 0x20);
if (padSet) {
*buffer = *buffer & ~0x20; // clear padding bit
}
// build a packet. It will link itself to its source
IncomingRTPPkt* packet =
new IncomingRTPPkt(buffer,rtn);
// Generic header validity check.
if ( !packet->isHeaderValid() ) {
delete packet;
return 0;
}
// Look for a CryptoContext for this packet's SSRC
CryptoContext* pcc = getInQueueCryptoContext(packet->getSSRC());
// If no crypto context is available for this SSRC but we are already in
// Secure state then create a CryptoContext for this SSRC.
// Assumption: every SSRC stream sent via this connection is secured
// _and_ uses the same crypto parameters.
if (pcc == NULL) {
pcc = getInQueueCryptoContext(0);
if (pcc != NULL) {
pcc = pcc->newCryptoContextForSSRC(packet->getSSRC(), 0, 0L);
if (pcc != NULL) {
pcc->deriveSrtpKeys(0);
setInQueueCryptoContext(pcc);
}
}
}
// If no crypto context: then either ZRTP is off or in early state
// If crypto context is available then unprotect data here. If an error
// occurs report the error and discard the packet.
if (pcc != NULL) {
int32 ret;
if ((ret = packet->unprotect(pcc)) < 0) {
if (!onSRTPPacketError(*packet, ret)) {
delete packet;
return 0;
}
}
if (started && zrtpEngine->inState(WaitConfAck)) {
zrtpEngine->conf2AckSecure();
}
}
// virtual for profile-specific validation and processing.
if (!onRTPPacketRecv(*packet) ) {
delete packet;
return 0;
}
if (padSet) {
packet->reComputePayLength(true);
}
// get time of arrival
struct timeval recvtime;
gettimeofday(&recvtime,NULL);
bool source_created;
SyncSourceLink* sourceLink =
getSourceBySSRC(packet->getSSRC(),source_created);
SyncSource* s = sourceLink->getSource();
if ( source_created ) {
// Set data transport address.
setDataTransportPort(*s,transport_port);
// Network address is assumed to be the same as the control one
setNetworkAddress(*s,network_address);
sourceLink->initStats();
// First packet arrival time.
sourceLink->setInitialDataTime(recvtime);
sourceLink->setProbation(getMinValidPacketSequence());
if ( sourceLink->getHello() )
onNewSyncSource(*s);
}
else if ( 0 == s->getDataTransportPort() ) {
// Test if RTCP packets had been received but this is the
// first data packet from this source.
setDataTransportPort(*s,transport_port);
}
// Before inserting in the queue,
// 1) check for collisions and loops. If the packet cannot be
// assigned to a source, it will be rejected.
// 2) check the source is a sufficiently well known source
// TODO: also check CSRC identifiers.
if (checkSSRCInIncomingRTPPkt(*sourceLink, source_created,
network_address, transport_port) &&
recordReception(*sourceLink,*packet,recvtime) ) {
// now the packet link is linked in the queues
IncomingRTPPktLink* packetLink = new IncomingRTPPktLink(packet, sourceLink, recvtime,
packet->getTimestamp() - sourceLink->getInitialDataTimestamp(),
NULL,NULL,NULL,NULL);
insertRecvPacket(packetLink);
} else {
// must be discarded due to collision or loop or
// invalid source
delete packet;
return 0;
}
// Start the ZRTP engine after we got a at least one RTP packet and
// sent some as well or we are in multi-stream mode.
if (!started && enableZrtp) {
startZrtp();
}
return rtn;
}