void AbiCollabSessionManager::disjoinSession(const UT_UTF8String& sSessionId)
{
UT_DEBUGMSG(("AbiCollabSessionManager::disjoinSession(%s)\n", sSessionId.utf8_str()));
AbiCollab* pSession = getSessionFromSessionId(sSessionId);
UT_return_if_fail(pSession);
const std::map<BuddyPtr, std::string> vCollaborators = pSession->getCollaborators();
if (!isLocallyControlled(pSession->getDocument()))
{
// we are joined to a session, so there should only be one collaborator:
// the person sharing the document
UT_return_if_fail(vCollaborators.size() == 1);
std::map<BuddyPtr, std::string>::const_iterator cit = vCollaborators.begin();
BuddyPtr pCollaborator = (*cit).first;
destroySession(pSession);
DisjoinSessionEvent event(sSessionId);
event.addRecipient(pCollaborator);
signal(event);
}
else
{
UT_ASSERT(UT_NOT_REACHED);
return;
}
}
AbiCollab* AbiCollabSessionManager::getSessionFromDocumentId(const UT_UTF8String& sDocumentId)
{
AbiCollab * pCollab = NULL;
UT_sint32 i = 0;
for(i = 0; i < m_vecSessions.getItemCount(); i++)
{
pCollab = m_vecSessions.getNthItem(i);
if (pCollab)
{
PD_Document* pDoc = pCollab->getDocument();
if (strcmp(pDoc->getDocUUIDString(), sDocumentId.utf8_str()) == 0)
{
return pCollab;
}
}
}
return NULL;
}
void AbiCollabSessionManager::removeBuddy(BuddyPtr pBuddy, bool graceful)
{
UT_return_if_fail(pBuddy);
UT_DEBUGMSG(("Dropping buddy '%s' from all sessions\n", pBuddy->getDescription().utf8_str()));
// TODO: should we send out events for every buddy we drop, or session
// we delete?
for (UT_sint32 i = m_vecSessions.getItemCount() - 1; i >= 0; i--)
{
AbiCollab* pSession = m_vecSessions.getNthItem(i);
UT_continue_if_fail(pSession);
if (pSession->isLocallyControlled())
{
pSession->removeCollaborator(pBuddy);
}
else
{
// we don't control this session, meaning we can drop it completely
// if this buddy controlled it
// TODO: when we allow more than 1 buddy in a non-locally controlled,
// then remove it from that list here
if (pSession->isController(pBuddy))
{
UT_DEBUGMSG(("This buddy controlled a session, destroying the session...\n"));
std::string docName = pSession->getDocument()->getFilename();
if (docName == "")
docName = "Untitled"; // TODO: fetch the title from the frame somehow (which frame?) - MARCM
destroySession(pSession);
if (!graceful)
{
XAP_Frame *pFrame = XAP_App::getApp()->getLastFocussedFrame();
UT_continue_if_fail(pFrame);
// TODO: make this localizable
UT_UTF8String msg;
UT_UTF8String_sprintf(msg, "You've been disconnected from buddy %s. The collaboration session for document %s has been stopped.", pBuddy->getDescription().utf8_str(), docName.c_str());
pFrame->showMessageBox(msg.utf8_str(), XAP_Dialog_MessageBox::b_O, XAP_Dialog_MessageBox::a_OK);
}
}
}
}
}
bool AbiCollabSessionManager::isInSession(PD_Document* pDoc)
{
UT_return_val_if_fail(pDoc, false);
// find the session belonging to this document, if any
for (UT_sint32 i = 0; i < m_vecSessions.getItemCount(); i++)
{
AbiCollab* pSession = m_vecSessions.getNthItem(i);
if (pSession)
{
PD_Document* pSessionDoc = pSession->getDocument();
if (pSessionDoc && pSessionDoc == pDoc)
{
return true;
}
}
}
return false;
}
AbiCollab* AbiCollabSessionManager::getSession(PD_Document* pDoc)
{
UT_return_val_if_fail(pDoc, NULL);
AbiCollab * pCollab = NULL;
UT_sint32 i = 0;
for(i = 0; i < m_vecSessions.getItemCount(); i++)
{
pCollab = m_vecSessions.getNthItem(i);
if (pCollab)
{
if (pDoc == pCollab->getDocument())
{
return pCollab;
}
}
}
return NULL;
}
bool AbiCollabSessionManager::destroySession(PD_Document * pDoc)
{
UT_DEBUGMSG(("AbiCollabSessionManager::destroySession(PD_Document * pDoc)\n"));
UT_sint32 i = 0;
for (i = 0; i < m_vecSessions.getItemCount(); i++)
{
AbiCollab* pSession = m_vecSessions.getNthItem(i);
UT_continue_if_fail(pSession);
PD_Document* pSessionDoc = pSession->getDocument();
if (pSessionDoc == pDoc)
{
_deleteSession(pSession);
m_vecSessions.deleteNthItem(i);
return true;
}
}
return false;
}
void AccountHandler::_handlePacket(Packet* packet, BuddyPtr buddy)
{
// packet and buddy must always be set
UT_return_if_fail(packet);
UT_return_if_fail(buddy);
// as must the session manager
AbiCollabSessionManager* pManager = AbiCollabSessionManager::getManager();
UT_return_if_fail(pManager);
// manager didn't handle it, see what we can do
switch (packet->getClassType())
{
case PCT_JoinSessionRequestEvent:
{
JoinSessionRequestEvent* jse = static_cast<JoinSessionRequestEvent*>(packet);
// lookup session
AbiCollab* pSession = pManager->getSessionFromSessionId(jse->getSessionId());
UT_return_if_fail(pSession);
// check if this buddy is allowed to access this document
// TODO: this should be done for every session packet, not just join session packets
if (!hasAccess(pSession->getAcl(), buddy))
{
// we should only reach this point if someone is brute forcing trying
// out session IDs while not being on the ACL. Ban this uses.
UT_ASSERT_HARMLESS(UT_SHOULD_NOT_HAPPEN);
return;
}
// lookup exporter
ABI_Collab_Export* pExport = pSession->getExport();
UT_return_if_fail(pExport);
// lookup adjusts
const UT_GenericVector<ChangeAdjust *>* pExpAdjusts = pExport->getAdjusts();
UT_return_if_fail(pExpAdjusts);
PD_Document* pDoc = pSession->getDocument();
// add this author to the document if we don't recognize him
UT_sint32 iAuthorId = -1;
UT_UTF8String buddyDescriptor = buddy->getDescriptor();
UT_GenericVector<pp_Author*> authors = pDoc->getAuthors();
UT_DEBUGMSG(("Scanning %d authors to see if we recognize this buddy\n", authors.getItemCount()));
for (UT_sint32 i = 0; i < authors.getItemCount(); i++)
{
pp_Author* pAuthor = authors.getNthItem(i);
UT_continue_if_fail(pAuthor);
const gchar* szDescriptor = NULL;
pAuthor->getProperty("abicollab-descriptor", szDescriptor);
if (!szDescriptor)
continue;
if (buddyDescriptor != szDescriptor)
continue;
// yay, we know this author!
iAuthorId = pAuthor->getAuthorInt();
UT_DEBUGMSG(("Found known author with descriptior %s, id %d!\n", buddyDescriptor.utf8_str(), iAuthorId));
break;
}
if (iAuthorId == -1)
{
// we don't know this author yet, create a new author object for him
iAuthorId = pDoc->findFirstFreeAuthorInt();
pp_Author * pA = pDoc->addAuthor(iAuthorId);
PP_AttrProp * pPA = pA->getAttrProp();
pPA->setProperty("abicollab-descriptor", buddyDescriptor.utf8_str());
pDoc->sendAddAuthorCR(pA);
UT_DEBUGMSG(("Added a new author to the documument with descriptor %s, id %d\n", buddyDescriptor.utf8_str(), iAuthorId));
}
// serialize entire document into string
JoinSessionRequestResponseEvent jsre(jse->getSessionId(), iAuthorId);
if (AbiCollabSessionManager::serializeDocument(pDoc, jsre.m_sZABW, false /* no base64 */) == UT_OK)
{
// set more document properties
jsre.m_iRev = pDoc->getCRNumber();
jsre.m_sDocumentId = pDoc->getDocUUIDString();
if (pDoc->getFilename())
jsre.m_sDocumentName = UT_go_basename_from_uri(pDoc->getFilename());
// send to buddy!
send(&jsre, buddy);
// add this buddy to the collaboration session
pSession->addCollaborator(buddy);
}
break;
}
case PCT_JoinSessionRequestResponseEvent:
{
JoinSessionRequestResponseEvent* jsre = static_cast<JoinSessionRequestResponseEvent*>( packet );
PD_Document* pDoc = 0;
if (AbiCollabSessionManager::deserializeDocument(&pDoc, jsre->m_sZABW, false) == UT_OK)
{
if (pDoc)
{
// NOTE: we could adopt the same document name here, but i'd
// rather not at the moment - MARCM
pDoc->forceDirty();
if (jsre->m_sDocumentName.size() > 0)
{
gchar* fname = g_strdup(jsre->m_sDocumentName.utf8_str());
pDoc->setFilename(fname);
}
// The default ownership when joining is FALSE, as that seems
// to make sense for the generic case. The person sharing the
// document by default owns the document (and is thus allowed
// to modify the ACL).
pManager->joinSession(jsre->getSessionId(), pDoc, jsre->m_sDocumentId, jsre->m_iRev, jsre->getAuthorId(), buddy, this, false, NULL);
}
else
{
UT_DEBUGMSG(("AccountHandler::_handlePacket() - deserializing document failed!\n"));
}
}
break;
}
case PCT_GetSessionsEvent:
{
GetSessionsResponseEvent gsre;
const UT_GenericVector<AbiCollab *> sessions = pManager->getSessions();
for (UT_sint32 i = 0; i < sessions.getItemCount(); i++)
{
AbiCollab* pSession = sessions.getNthItem(i);
if (pSession && pSession->isLocallyControlled())
{
// check if the buddy has access to this session
if (!hasAccess(pSession->getAcl(), buddy))
{
UT_DEBUGMSG(("Buddy %s denied access to session %s by ALC\n", buddy->getDescriptor(true).utf8_str(), pSession->getSessionId().utf8_str()));
continue;
}
const PD_Document * pDoc = pSession->getDocument();
UT_continue_if_fail(pDoc);
// determine name
UT_UTF8String documentBaseName;
if (pDoc->getFilename())
documentBaseName = UT_go_basename_from_uri(pDoc->getFilename());
// set session info
gsre.m_Sessions[ pSession->getSessionId() ] = documentBaseName;
}
}
send(&gsre, buddy);
break;
}
case PCT_GetSessionsResponseEvent:
{
GetSessionsResponseEvent* gsre = static_cast<GetSessionsResponseEvent*>( packet );
UT_GenericVector<DocHandle*> vDocHandles;
for (std::map<UT_UTF8String,UT_UTF8String>::iterator it=gsre->m_Sessions.begin(); it!=gsre->m_Sessions.end(); ++it) {
DocHandle* pDocHandle = new DocHandle((*it).first, (*it).second);
vDocHandles.addItem(pDocHandle);
}
pManager->setDocumentHandles(buddy, vDocHandles);
break;
}
default:
{
UT_DEBUGMSG(("Unhandled packet class: 0x%x\n", packet->getClassType()));
UT_ASSERT_HARMLESS(UT_SHOULD_NOT_HAPPEN);
break;
}
}
}
bool AbiCollabSessionManager::processPacket(AccountHandler& /*handler*/, Packet* packet, BuddyPtr buddy)
{
UT_DEBUGMSG(("AbiCollabSessionManager::processPacket()\n"));
UT_return_val_if_fail(packet, false);
UT_return_val_if_fail(buddy, false);
// check if this is a simple import-meh-now-packet
PClassType pct = packet->getClassType();
if (pct >= _PCT_FirstSessionPacket && pct <= _PCT_LastSessionPacket)
{
// lookup session
SessionPacket* dsp = static_cast<SessionPacket*>( packet );
const UT_UTF8String& sessionId = dsp->getSessionId();
AbiCollab* pAbiCollab = getSessionFromSessionId(sessionId);
if (!pAbiCollab) {
UT_DEBUGMSG(("Unknown session id: '%s'", sessionId.utf8_str()));
UT_return_val_if_fail(pAbiCollab, true);
}
// handle packet!
pAbiCollab->import(dsp, buddy);
return true;
}
// handle packet
switch (pct) {
case PCT_StartSessionEvent:
{
StartSessionEvent event;
event.setBroadcast(true);
signal(event, buddy);
return true;
}
case PCT_JoinSessionEvent:
{
JoinSessionEvent* jse = static_cast<JoinSessionEvent*>(packet);
const UT_UTF8String& joinedSessionId = jse->getSessionId();
// someone who joined this session disconnected, remove him from the collaboration session
AbiCollab* pSession = getSessionFromSessionId(joinedSessionId);
if (pSession)
{
if (isLocallyControlled( pSession->getDocument() ))
{
// we should already know this buddy, as we sent should have already added this
// buddy when responding to his JoinSessionRequest
// TODO: check this
}
// signal all
JoinSessionEvent event(joinedSessionId);
signal( event, buddy );
}
else
{
// we don't know this session, don't forward the packet
UT_ASSERT_HARMLESS(UT_NOT_REACHED);
}
return true;
}
case PCT_DisjoinSessionEvent:
{
DisjoinSessionEvent* dse = static_cast<DisjoinSessionEvent*>(packet);
const UT_UTF8String& disjoinedSessionId = dse->getSessionId();
// someone who joined this session disconnected, remove him from the collaboration session
AbiCollab* pSession = getSessionFromSessionId(disjoinedSessionId);
if (pSession)
{
pSession->removeCollaborator(buddy);
// signal all
DisjoinSessionEvent event(disjoinedSessionId);
signal(event, buddy);
}
else
{
// we don't know this session, don't forward the packet
UT_ASSERT_HARMLESS(UT_NOT_REACHED);
}
return true;
}
case PCT_CloseSessionEvent:
{
CloseSessionEvent* cse = static_cast<CloseSessionEvent*>(packet);
const UT_UTF8String& destroyedSessionId = cse->getSessionId();
buddy->destroyDocHandle( destroyedSessionId );
// handle the event outselves
AbiCollab* pSession = getSessionFromSessionId(destroyedSessionId);
if (pSession)
{
if (!isLocallyControlled(pSession->getDocument()))
{
std::string docName = pSession->getDocument()->getFilename();
if (docName == "")
docName = "Untitled"; // TODO: fetch the title from the frame somehow (which frame?) - MARCM
// the server hosting this session is gone, so let's disconnect as well
if (!destroySession(pSession))
{
UT_ASSERT_HARMLESS(UT_SHOULD_NOT_HAPPEN);
}
// signal all
CloseSessionEvent event( destroyedSessionId );
signal( event, buddy );
// inform the user of the disconnect
XAP_Frame *pFrame = XAP_App::getApp()->getLastFocussedFrame();
UT_return_val_if_fail(pFrame, true);
UT_UTF8String msg;
// TODO: make this localizable
UT_UTF8String_sprintf(msg, "Document %s is not being shared anymore by buddy %s. You are disconnected from the collaboration session.", docName.c_str(), buddy->getDescription().utf8_str());
pFrame->showMessageBox(msg.utf8_str(), XAP_Dialog_MessageBox::b_O, XAP_Dialog_MessageBox::a_OK);
}
else
{
// someone who is not controlling this session sends out messages he closed it!
// we will not forward this packet
UT_ASSERT_HARMLESS(UT_NOT_REACHED);
}
}
else
{
UT_DEBUGMSG(("Ignoring a CloseSession event for unknown session (%s)\n", destroyedSessionId.utf8_str()));
}
return true;
}
case PCT_AccountAddBuddyRequestEvent:
{
// look at this packet; I have a feeling we need to deprecate it - MARCM
UT_ASSERT_HARMLESS(UT_NOT_IMPLEMENTED);
return true;
}
default:
break;
}
return false;
}