/**
Add routing information to a data object.
The parameter "parent" is the location in the data object where the routing
information should be inserted.
*/
bool ForwarderRank::addRoutingInformation(DataObjectRef& dObj, Metadata *parent)
{
if (!dObj || !parent)
return false;
// Add first our own node ID.
parent->setParameter("node_id", kernel->getThisNode()->getIdStr());
Metadata *mm = parent->addMetadata("Metric", myNodeStr);
mm->setParameter("hostid",hostname);
mm->setParameter("label", myLabel);
char tmp[32];
sprintf(tmp,"%ld",myRank);
mm->setParameter("rank", tmp);
HAGGLE_DBG("HAGGLE_DBG: Sending metric node:%s label:%s rank:%s \n",parent->getParameter("node_id"),
mm->getParameter("label"),mm->getParameter("rank"));
dObj->setCreateTime(rib_timestamp);
return true;
}
ProtocolEvent ProtocolUDP::receiveDataObject()
{
size_t len = 0;
string haggleTag = "</Haggle>";
DataObjectRef dObj;
char buf[SOCKADDR_SIZE];
struct sockaddr *peer_addr = (struct sockaddr *)buf;
ProtocolEvent pEvent;
unsigned short port;
Address *addr = NULL;
struct sockaddr_in *sa = NULL;
#ifdef OS_WINDOWS
pEvent = receiveData(buffer, bufferSize, peer_addr, 0, &len);
#else
pEvent = receiveData(buffer, bufferSize, peer_addr, MSG_DONTWAIT, &len);
#endif
if (pEvent != PROT_EVENT_SUCCESS)
return pEvent;
if (peer_addr->sa_family == AF_INET) {
sa = (struct sockaddr_in *)peer_addr;
port = ntohs(sa->sin_port);
addr = new IPv4Address(sa->sin_addr, TransportUDP(port));
}
#if defined(ENABLE_IPv6)
else if (peer_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)peer_addr;
port = ntohs(sa6->sin6_port);
addr = new IPv6Address(sa6->sin6_addr, TransportUDP(port));
}
#endif
if (addr == NULL)
return PROT_EVENT_ERROR;
if (peerIface) {
HAGGLE_ERR("%s UDP peer interface was not null\n", getName());
delete addr;
return PROT_EVENT_ERROR;
}
peerIface = new ApplicationPortInterface(port, "Application", addr, IFFLAG_UP);
peerNode = getKernel()->getNodeStore()->retrieve(peerIface);
delete addr;
if (!peerNode) {
peerNode = Node::create(Node::TYPE_APPLICATION, "Unknown application");
if (!peerNode) {
HAGGLE_ERR("%s Could not create application node\n", getName());
return PROT_EVENT_ERROR;
}
}
dObj = DataObject::create(buffer, len, localIface, peerIface);
if (!dObj) {
HAGGLE_DBG("%s Could not create data object\n", getName());
return PROT_EVENT_ERROR;
}
// Haggle doesn't own files that applications have put in: // MOS - not true - maybe some code missing here
Timeval ct = dObj->getCreateTime();
Timeval now = Timeval::now();
if(!ct.isValid()) dObj->setCreateTime(now); // MOS - in case it was not set by application
dObj->setReceiveTime(now);
dataObjectsIncoming += 1; // MOS
dataObjectBytesIncoming += len; // MOS
if(!dObj->isControlMessage()) dataObjectsIncomingNonControl += 1; // MOS
// We must release the peer interface reference after
// the data object is created as the next incoming
// data might be from another peer
peerIface = NULL;
// MOS - no need to ignore objects from local application (avoid risk of blocking control messages)
// if (getKernel()->getThisNode()->getBloomfilter()->has(dObj)) {
// HAGGLE_DBG("Data object [%s] from interface %s:%u has already been received, ignoring.\n",
// dObj->getIdStr(), sa ? ip_to_str(sa->sin_addr) : "undefined", port);
// return PROT_EVENT_SUCCESS;
// }
// Generate first an incoming event to conform with the base Protocol class
getKernel()->addEvent(new Event(EVENT_TYPE_DATAOBJECT_INCOMING, dObj, peerNode));
dataObjectsReceived += 1; // MOS
dataObjectBytesReceived += len; // MOS
HAGGLE_DBG("%s Received data object [%s] from interface %s:%u\n", getName(),
dObj->getIdStr(), sa ? ip_to_str(sa->sin_addr) : "undefined", port);
// Since there is no data following, we generate the received event immediately
// following the incoming one
getKernel()->addEvent(new Event(EVENT_TYPE_DATAOBJECT_RECEIVED, dObj, peerNode));
peerNode = NULL; // MOS - similar to peerIface
return PROT_EVENT_SUCCESS;
}
bool FragmentationEncoderService::addAttributes(DataObjectRef originalDataObject, DataObjectRef fragmentDataObject,
string sequenceNumberListCsv) {
//copy attributes. though eventually will use rich metadata?
const Attributes* originalAttributes = originalDataObject->getAttributes();
for (Attributes::const_iterator it = originalAttributes->begin(); it != originalAttributes->end(); it++) {
const Attribute attr = (*it).second;
bool addAttribute = fragmentDataObject->addAttribute(attr);
if (!addAttribute) {
HAGGLE_ERR("unable to add attribute\n");
return false;
}
}
//add sequence number attribute
// char sequenceBuffer[33];
// memset(sequenceBuffer, 0, sizeof(sequenceBuffer));
// sprintf(sequenceBuffer, "%d", sequenceNumber);
// HAGGLE_DBG("stringSequenceNumber=%s\n", sequenceBuffer);
// bool addedSequenceNUmber = fragmentDataObject->addAttribute(
// HAGGLE_ATTR_FRAGMENTATION_SEQUENCE_NUMBER, sequenceBuffer, 0);
// if (!addedSequenceNUmber) {
// HAGGLE_ERR("unable to add addedSequenceNUmber attribute\n");
// return false;
// }
HAGGLE_DBG2("stringSequenceNumber=%s\n", sequenceNumberListCsv.c_str());
bool addedSequenceNumber = fragmentDataObject->addAttribute(HAGGLE_ATTR_FRAGMENTATION_SEQUENCE_NUMBER,
sequenceNumberListCsv, 0);
if (!addedSequenceNumber) {
HAGGLE_ERR("Unable to add sequence number attribute\n");
return false;
}
//add attribute to indicate data object is fragmentation block
bool addedIsFragmentationCodedAttribute = fragmentDataObject->addAttribute(HAGGLE_ATTR_FRAGMENTATION_NAME, "TRUE",
0);
if (!addedIsFragmentationCodedAttribute) {
HAGGLE_ERR("Unable to add fragmentation attribute\n");
return false;
}
//add original data len attribute
char lenBuffer[33];
memset(lenBuffer, 0, sizeof(lenBuffer));
int len = fragmentationDataObjectUtility->getFileLength(originalDataObject);
if(len == 0) {
HAGGLE_ERR("Orignal data len is zero - file already deleted\n");
return false;
}
sprintf(lenBuffer, "%d", len);
bool addedDataLenAttribute = fragmentDataObject->addAttribute(HAGGLE_ATTR_FRAGMENTATION_PARENT_ORIG_LEN, lenBuffer,
0);
if (!addedDataLenAttribute) {
HAGGLE_ERR("Unable to add original data len attribute\n");
return false;
}
//add dataobject id
const char* originalId = originalDataObject->getIdStr();
string originalStringId = originalId;
bool addedIdAttribute = fragmentDataObject->addAttribute(HAGGLE_ATTR_FRAGMENTATION_PARENT_DATAOBJECT_ID,
originalStringId, 0);
if (!addedIdAttribute) {
HAGGLE_ERR("Unable to add original data object id attribute\n");
return false;
}
//add dataobject name
string originalName = fragmentationDataObjectUtility->getFileName(originalDataObject);
HAGGLE_DBG2("Add original name %s as attribute\n", originalName.c_str());
bool addedNameAttribute = fragmentDataObject->addAttribute(HAGGLE_ATTR_FRAGMENTATION_PARENT_ORIG_NAME, originalName,
0);
if (!addedNameAttribute) {
HAGGLE_ERR("Unable to add original name attribute\n");
return false;
}
//add create time
string originalCreateTime = originalDataObject->getCreateTime().getAsString();
HAGGLE_DBG2("Add original create time %s as attribute\n", originalCreateTime.c_str());
bool addedCreatedTimeAttribute = fragmentDataObject->addAttribute(HAGGLE_ATTR_FRAGMENTATION_PARENT_CREATION_TIME,
originalCreateTime, 0);
if (!addedCreatedTimeAttribute) {
HAGGLE_ERR("Unable to add original create time attribute\n");
return false;
}
//set create time of fragment to same create time as parent so fragment data object ids can match up
Timeval createTime(originalCreateTime);
fragmentDataObject->setCreateTime(createTime);
if(originalDataObject->getSignature()) { // MOS
//add signee
string parentSignee = originalDataObject->getSignee();
HAGGLE_DBG2("Add original signee %s as attribute\n",parentSignee.c_str());
bool addedSigneeAttribute = fragmentDataObject->
addAttribute(HAGGLE_ATTR_FRAGMENTATION_PARENT_ORIG_SIGNEE,parentSignee,0);
if(!addedSigneeAttribute) {
HAGGLE_ERR("Unable to add original signee attribute\n");
return false;
}
//add signature
char *base64_signature = NULL;
if (base64_encode_alloc((char *)originalDataObject->getSignature(), originalDataObject->getSignatureLength(), &base64_signature) <= 0) {
HAGGLE_ERR("Unable to generate base64 encoded signature\n");
return false;
}
string parentSignature = base64_signature;
HAGGLE_DBG2("Add original signature %s as attribute\n",parentSignature.c_str());
bool addedSignatureAttribute = fragmentDataObject->
addAttribute(HAGGLE_ATTR_FRAGMENTATION_PARENT_ORIG_SIGNATURE,parentSignature,0);
if(!addedSignatureAttribute) {
HAGGLE_ERR("Unable to add original signature attribute\n");
return false;
}
if(base64_signature) {
free(base64_signature);
base64_signature = NULL;
}
}
return true;
}