void Chord::init(int index){
if(validate == false){
validate = true;
cout << endl << "This program is written by Lim Chee Yeong 4933643." << endl << endl;
// if the size is not power of two, change the size to 32
if(!(index == 1 || index == 2 || index == 4 || index == 8 || index == 16 ||
index == 32 || index == 64 || index == 128 || index == 256 || index == 512 ||
index == 1024 || index == 2048 || index == 4096 || index == 8192 ||
index == 16384 || index == 32768 || index == 65536 || index == 131072 ||
index == 262144 || index == 524288 || index == 1048576 || index == 2097152 ||
index == 4194304 || index == 8388608 || index == 16777216 || index == 33554432 ||
index == 67108864 || index == 134217728 || index == 268435456 ||
index == 536870912 || index == 1073741824 || index == 2147483648)){
cout << "Chord size is not power of two, set size to 32." << endl;
index = 32;
}
maxSize = index; //
cout << "INITIAZE CHORD" << endl;
int fingerIndex = log2(index);
node.resize(index, Node(false, fingerIndex));
addPeer(0);
} else {
cout << "CHORD EXISTED." << endl
<< "Skipping initiate CHORD, directly proceed." << endl;
}
}
void CellAutomataAgent::handlePeerConnectionRequest(PPtr<KString> role,
const k_guid_t& guid)
{
if(role->equals(R_OUTPUT)) {
addPeer(R_OUTPUT, guid);
}
}
SignalProxy::SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent)
: QObject(parent)
{
setProxyMode(mode);
addPeer(device);
init();
}
void Chord::run(string file){
read(file); // Read Command from file
// For each command, perform the repective function
for(vector<Command>::iterator c = cmd.begin(); c != cmd.end(); c++){
if (c->command.compare("init") == 0) {
init(c->peer);
}
if (c->command.compare("addpeer") == 0) {
addPeer(c->peer);
updateFinger();
}
if (c->command.compare("insert") == 0) {
insert(c->peer, c->message);
}
if (c->command.compare("print") == 0) {
print(c->peer);
}
if (c->command.compare("delete") == 0) {
Delete(c->peer, c->message);
}
if (c->command.compare("removepeer") == 0) {
removePeer(c->peer);
updateFinger();
}
}
}
Serializable::Peers* SerializableEntityManager::fromJson(const QJsonObject& json, const ContactMethod* cm)
{
//Check if the object is already loaded
QStringList sha1List;
QJsonArray as = json["sha1s"].toArray();
for (int i = 0; i < as.size(); ++i) {
sha1List.append(as[i].toString());
}
if (sha1List.isEmpty())
return nullptr;
QByteArray sha1 = sha1List[0].toLatin1();
if (sha1List.size() > 1) {
sha1 = mashSha1s(sha1List);
}
if (m_hPeers[sha1])
return m_hPeers[sha1];
//Load from json
Serializable::Peers* p = new Serializable::Peers();
p->read(json);
m_hPeers[sha1] = p;
//TODO Remove in 2016
//Some older versions of the file don't store necessary values, fix that
if (cm && p->peers.isEmpty())
addPeer(p,cm);
return p;
}
void mtt::FileTransfer::handshakeFinished(PeerCommunication* p)
{
LOG_APPEND("handshake " << p->getAddressName());
if (!torrent->files.progress.empty())
p->sendBitfield(torrent->files.progress.toBitfield());
addPeer(p);
}
void ToxGroupCall::playAudioBuffer(const ToxPk& peer, const int16_t* data, int samples,
unsigned channels, int sampleRate)
{
if (!havePeer(peer)) {
addPeer(peer);
}
const auto& source = peers.find(peer);
if (source->second) {
source->second->playAudioBuffer(data, samples, channels, sampleRate);
}
}
Serializable::Peers* SerializableEntityManager::peer(const ContactMethod* cm)
{
const QByteArray sha1 = cm->sha1();
Serializable::Peers* p = m_hPeers[sha1];
if (!p) {
p = new Serializable::Peers();
p->sha1s << sha1;
addPeer(p,cm);
m_hPeers[sha1] = p;
}
return p;
}
Media::TextRecording* Media::TextRecording::fromJson(const QList<QJsonObject>& items, const ContactMethod* cm)
{
TextRecording* t = new TextRecording();
//Load the history data
for (const QJsonObject& obj : items) {
Serializable::Peers* p = SerializableEntityManager::fromJson(obj,cm);
t->d_ptr->m_lAssociatedPeers << p;
}
//Create the model
t->instantMessagingModel();
//Reconstruct the conversation
//TODO do it right, right now it flatten the graph
for (const Serializable::Peers* p : t->d_ptr->m_lAssociatedPeers) {
for (const Serializable::Group* g : p->groups) {
for (Serializable::Message* m : g->messages) {
::TextMessageNode* n = new ::TextMessageNode();
n->m_pMessage = m ;
if (!n->m_pMessage->contactMethod) {
n->m_pMessage->contactMethod = const_cast<ContactMethod*>(cm); //TODO remove in 2016
n->m_pMessage->authorSha1 = cm->sha1();
if (p->peers.isEmpty())
addPeer(const_cast<Serializable::Peers*>(p), cm);
}
n->m_pContactMethod = m->contactMethod;
t->d_ptr->m_pImModel->addRowBegin();
t->d_ptr->m_lNodes << n;
t->d_ptr->m_pImModel->addRowEnd();
}
}
}
return t;
}
void PeerInformationSocket::processPacket(const QHostAddress &address, const QByteArray &packetArray)
{
const char *data = packetArray.constData();
CITP_PINF_PLoc *packet = (CITP_PINF_PLoc*)data;
// CITP header
if (packet->CITPPINFHeader.CITPHeader.Cookie != COOKIE_CITP)
{
return;
}
if (packet->CITPPINFHeader.CITPHeader.VersionMajor != 0x01)
{
qDebug() << "Invalid VersionMajor value:" << packet->CITPPINFHeader.CITPHeader.VersionMajor;
return;
}
if (packet->CITPPINFHeader.CITPHeader.VersionMinor != 0x00)
{
qDebug() << "Invalid VersionMinor value:" << packet->CITPPINFHeader.CITPHeader.VersionMinor;
return;
}
//packet->CITPPINFHeader.CITPHeader.Reserved[0] = 0x00;
//packet->CITPPINFHeader.CITPHeader.Reserved[1] = 0x00;
//packet->CITPPINFHeader.CITPHeader.MessageSize = bufferLen;
//packet->CITPPINFHeader.CITPHeader.MessagePartCount = 0x01;
//packet->CITPPINFHeader.CITPHeader.MessagePart = 0x01; // XXX - doc says 0-based?
if (packet->CITPPINFHeader.CITPHeader.ContentType != COOKIE_PINF)
{
return;
}
// PINF header
if (packet->CITPPINFHeader.ContentType != COOKIE_PINF_PLOC)
{
return;
}
// PLoc data
quint16 listeningPort = packet->ListeningTCPPort;
if (0 == listeningPort)
{
// XXX - uncomment if we don't want non-listeners
//return;
}
// type
int offset = sizeof(struct CITP_PINF_PLoc);
QString typeString(packetArray.constData()+offset);
//memcpy(buffer + offset, typeString.toAscii().constData(), typeString.size());
// name
offset += typeString.size() + 1;
QString nameString(packetArray.constData()+offset);
//memcpy(buffer + offset, name.toAscii().constData(), name.size());
// state
offset += nameString.size() + 1;
QString stateString(packetArray.constData()+offset);
//memcpy(buffer + offset, state.toAscii().constData(), state.size());
// XXX - these strings are going out of scope because they are implicitly shared
// from the original buffer
addPeer(address, listeningPort, typeString, nameString, stateString);
}
void ToxGroupCall::onAudioSinkInvalidated(ToxPk peerId)
{
removePeer(peerId);
addPeer(peerId);
}
CmdUndiscover::CmdUndiscover(Peer* peer) {
addPeer(peer);
}
Media::TextRecording* Media::TextRecording::fromJson(const QList<QJsonObject>& items, const ContactMethod* cm, CollectionInterface* backend)
{
TextRecording* t = new TextRecording();
if (backend)
t->setCollection(backend);
ConfigurationManagerInterface& configurationManager = ConfigurationManager::instance();
//Load the history data
for (const QJsonObject& obj : items) {
Serializable::Peers* p = SerializableEntityManager::fromJson(obj,cm);
t->d_ptr->m_lAssociatedPeers << p;
}
//Create the model
bool statusChanged = false; // if a msg status changed during parsing, we need to re-save the model
t->instantMessagingModel();
//Reconstruct the conversation
//TODO do it right, right now it flatten the graph
for (const Serializable::Peers* p : t->d_ptr->m_lAssociatedPeers) {
//Seems old version didn't store that
if (p->peers.isEmpty())
continue;
// TODO: for now assume the convo is with only 1 CM at a time
auto peerCM = p->peers.at(0)->m_pContactMethod;
// get the latest timestamp to set last used
time_t lastUsed = 0;
for (const Serializable::Group* g : p->groups) {
for (Serializable::Message* m : g->messages) {
::TextMessageNode* n = new ::TextMessageNode();
n->m_pMessage = m ;
if (!n->m_pMessage->contactMethod) {
if (cm) {
n->m_pMessage->contactMethod = const_cast<ContactMethod*>(cm); //TODO remove in 2016
n->m_pMessage->authorSha1 = cm->sha1();
if (p->peers.isEmpty())
addPeer(const_cast<Serializable::Peers*>(p), cm);
} else {
if (p->m_hSha1.contains(n->m_pMessage->authorSha1)) {
n->m_pMessage->contactMethod = p->m_hSha1[n->m_pMessage->authorSha1];
} else {
// message was outgoing and author sha1 was set to that of the sending account
n->m_pMessage->contactMethod = peerCM;
n->m_pMessage->authorSha1 = peerCM->sha1();
}
}
}
n->m_pContactMethod = m->contactMethod;
t->d_ptr->m_pImModel->addRowBegin();
t->d_ptr->m_lNodes << n;
t->d_ptr->m_pImModel->addRowEnd();
if (lastUsed < n->m_pMessage->timestamp)
lastUsed = n->m_pMessage->timestamp;
if (m->id) {
int status = configurationManager.getMessageStatus(m->id);
t->d_ptr->m_hPendingMessages[m->id] = n;
if (t->d_ptr->updateMessageStatus(m, static_cast<TextRecording::Status>(status)))
statusChanged = true;
}
}
}
if (statusChanged)
t->save();
// update the timestamp of the CM
peerCM->setLastUsed(lastUsed);
}
return t;
}
bool HTTPTracker::updateData(const QByteArray & data)
{
//#define DEBUG_PRINT_RESPONSE
#ifdef DEBUG_PRINT_RESPONSE
Out(SYS_TRK | LOG_DEBUG) << "Data : " << endl;
Out(SYS_TRK | LOG_DEBUG) << QString(data) << endl;
#endif
// search for dictionary, there might be random garbage infront of the data
int i = 0;
while (i < data.size())
{
if (data[i] == 'd')
break;
i++;
}
if (i == data.size())
{
failures++;
failed(i18n("Invalid response from tracker"));
return false;
}
BDecoder dec(data, false, i);
BNode* n = 0;
try
{
n = dec.decode();
}
catch (...)
{
failures++;
failed(i18n("Invalid data from tracker"));
return false;
}
if (!n || n->getType() != BNode::DICT)
{
failures++;
failed(i18n("Invalid response from tracker"));
return false;
}
BDictNode* dict = (BDictNode*)n;
if (dict->getData("failure reason"))
{
BValueNode* vn = dict->getValue("failure reason");
error = vn->data().toString();
delete n;
failures++;
failed(error);
return false;
}
if (dict->getData("warning message"))
{
BValueNode* vn = dict->getValue("warning message");
warning = vn->data().toString();
}
else
warning.clear();
BValueNode* vn = dict->getValue("interval");
// if no interval is specified, use 5 minutes
if (vn)
interval = vn->data().toInt();
else
interval = 5 * 60;
vn = dict->getValue("incomplete");
if (vn)
leechers = vn->data().toInt();
vn = dict->getValue("complete");
if (vn)
seeders = vn->data().toInt();
BListNode* ln = dict->getList("peers");
if (!ln)
{
// no list, it might however be a compact response
vn = dict->getValue("peers");
if (vn && vn->data().getType() == Value::STRING)
{
QByteArray arr = vn->data().toByteArray();
for (int i = 0;i < arr.size();i += 6)
{
Uint8 buf[6];
for (int j = 0;j < 6;j++)
buf[j] = arr[i + j];
Uint32 ip = ReadUint32(buf, 0);
addPeer(net::Address(ip, ReadUint16(buf, 4)), false);
}
}
}
else
{
for (Uint32 i = 0;i < ln->getNumChildren();i++)
{
BDictNode* dict = dynamic_cast<BDictNode*>(ln->getChild(i));
if (!dict)
continue;
BValueNode* ip_node = dict->getValue("ip");
BValueNode* port_node = dict->getValue("port");
if (!ip_node || !port_node)
continue;
net::Address addr(ip_node->data().toString(), port_node->data().toInt());
addPeer(addr, false);
}
}
// Check for IPv6 compact peers
vn = dict->getValue("peers6");
if (vn && vn->data().getType() == Value::STRING)
{
QByteArray arr = vn->data().toByteArray();
for (int i = 0;i < arr.size();i += 18)
{
Q_IPV6ADDR ip;
memcpy(ip.c, arr.data() + i, 16);
quint16 port = ReadUint16((const Uint8*)arr.data() + i, 16);
addPeer(net::Address(ip, port), false);
}
}
delete n;
return true;
}
static void* control_thread(void *vptr) {
struct tree_t* tree = vptr;
void* sock = getSocket(tree);
while (1) {
message_struct* msg = NULL;
msg = sn_rcvmsg(sock);
if (msg != NULL) {
switch (msg->type) {
case REQ_MOVE:
print_error ("Request move from %s\n", msg->node_params.pid);
;int prmve = movePeer(tree, msg->node_params.pid);
if (prmve != 0) {
switch (prmve) {
case -1:
print_error ("Memory Error in moving peer\n");
break;
case -2:
print_error ("Peer Not Found in Tree in moving peer\n");
break;
case -3:
print_error ("No Empty Slots in moving peer\n");
break;
}
}
printTree (tree);
break;
case REQ_JOIN:
print_error ("Request join from %s\n", msg->node_params.pid);
;int pradd = addPeer (tree, msg->node_params.peerbw,
msg->node_params.pid, msg->node_params.addr,
msg->node_params.port);
if (pradd != 0) {
switch (pradd) {
case -1:
print_error ("Memory Error in adding peer\n");
break;
case -2:
print_error ("No Empty Slots in adding peer\n");
break;
}
}
printTree (tree);
break;
case REM_NODE:
print_error ("Request drop node %s\n", msg->node_params.pid);
;int prremove = removePeer (tree, msg->node_params.pid);
if (pradd != 0) {
switch (pradd) {
case -1:
print_error ("Memory Error in adding peer\n");
break;
}
}
printTree (tree);
break;
case REQ_EXIT:
print_error ("Request exit from %s\n", msg->node_params.pid);
;int prrmv = removePeer (tree, msg->node_params.pid);
if (prrmv == -1) {
print_error ("Memory Error in remove peer\n");
}
printTree (tree);
}
}
}
return NULL;
}
