bool ACDQueue_Linear::buildTargetAgentList(UtlSList& rTargetAgentList, ACDCall* pCallRef)
{
ACDAgent* pAgent;
ACDAgent* pLastAttemptedAgent;
// Always rebuild the list to get the agents added on the fly
buildACDAgentList();
UtlSListIterator listIterator(mAcdAgentList);
int numAgents = mAcdAgentList.entries();
// Iterate through the ACDAgent list, starting after the agent that
// The ACDCall was last using. If the end of the list is
// reached, wrap around to the beginning. If this LastAttemptedAgent
// is NULL, start from the head of the list
pLastAttemptedAgent = pCallRef->getLastAgent();
if (pLastAttemptedAgent != NULL) {
// walk the iterator to point after pLastAttemptedAgent
if (listIterator.findNext(pLastAttemptedAgent) == NULL) {
// Didn't find pLastAttemptedAgent, start again from the top.
listIterator.reset();
pCallRef->setLastAgent(NULL);
}
}
for(int i=0; i<numAgents; i++) {
// Check the next agent
pAgent = dynamic_cast<ACDAgent*>(listIterator());
if (pAgent == NULL) {
// We've hit the end of the list start back from the head of the list
listIterator.reset();
pAgent = dynamic_cast<ACDAgent*>(listIterator());
if (pAgent == NULL) {
// All out of agents to try
return false;
}
}
if (pAgent->isAvailable(true)) {
rTargetAgentList.append(pAgent);
// Remember the agent chosen
pCallRef->setLastAgent(pAgent);
OsSysLog::add(FAC_ACD, gACD_DEBUG, "%s::buildTargetAgentList - agent(%s) is added to the target list",
mAcdSchemeString, pAgent->getUriString()->data());
return true;
}
}
// The whole list was tried, yet no appropriate agents were found.
return false;
}
bool ACDCallManager::validateTransferToLine(SIPX_CALLSTATE_INFO* pCallInfo)
{
SIPX_CALL hAssociatedCallHandle;
int callEvent;
int callCause;
const char* remUri;
char userUri[512];
mLock.acquire();
// Extract the call handle and state info
hAssociatedCallHandle = pCallInfo->hAssociatedCall;
callEvent = pCallInfo->event;
callCause = pCallInfo->cause;
remUri = pCallInfo->remoteAddress;
UtlString userId, hostAddress;
Url remoteUrl(remUri);
remoteUrl.getUserId(userId);
remoteUrl.getHostAddress(hostAddress);
if (remUri) {
// Now find out if there is an agent for this remUri
sprintf(userUri,"sip:%s@%s",userId.data(),hostAddress.data());
UtlString agentUri(userUri);
ACDAgent* pAgentRef =
mpAcdServer->getAcdAgentManager()->getAcdAgentReference(agentUri);
if ((pAgentRef) && (FALSE == pAgentRef->isFree())) {
mLock.release();
return TRUE;
}
}
mLock.release();
return FALSE;
}
bool ACDQueue_LongestIdle::buildTargetAgentList(UtlSList& rTargetAgentList, ACDCall* pCallRef)
{
// Always rebuild the list to get the agents added on the fly
buildACDAgentList();
// Iterate through the ACDAgent list, starting at the head of the list
// and find the agent that has been idle the longest.
for(;;) {
ACDAgent* pAgent;
ACDAgent* pLongestIdleAgent = NULL;
unsigned long maxIdleTime = 0;
UtlSListIterator listIterator(mAcdAgentList);
// Find the available agent with the longest idle time
while ((pAgent = dynamic_cast<ACDAgent*>(listIterator())) != NULL) {
if (pAgent->isAvailable(false)) {
if (pAgent->getIdleTime() >= maxIdleTime) {
maxIdleTime = pAgent->getIdleTime();
pLongestIdleAgent = pAgent;
}
}
}
if (pLongestIdleAgent == NULL) {
// None available
break ;
}
// If he is still available, use him. Otherwise start again.
if (pLongestIdleAgent->isAvailable(true)) {
rTargetAgentList.append(pLongestIdleAgent);
OsSysLog::add(FAC_ACD, gACD_DEBUG, "%s::buildTargetAgentList - agent(%s) is added to the target list. Idle time was %lu seconds",
mAcdSchemeString, pLongestIdleAgent->getUriString()->data(),
maxIdleTime);
return true ;
}
}
// The whole list was tried, yet no appropriate agents were found.
return false;
}
void ACDCallManager::updateTransferCallState(SIPX_CALLSTATE_INFO* pCallInfo)
{
SIPX_CALL hCallHandle = SIPX_CALL_NULL;
SIPX_CALL hAssociatedCallHandle;
int callEvent;
int callCause;
const char* remUri;
char userUri[512];
ACDCall* pCallRef;
mLock.acquire();
// Extract the call handle and state info
hAssociatedCallHandle = pCallInfo->hAssociatedCall;
callEvent = pCallInfo->event;
callCause = pCallInfo->cause;
remUri = pCallInfo->remoteAddress;
/**
* For the NEWCALL_TRANSFER event - find the ACDCall object instance
* on the basis of the Associated call handle (from the older leg).
*/
if (pCallInfo->cause == CALLSTATE_NEW_CALL_TRANSFER)
{
if (TRUE == validateTransferToLine(pCallInfo))
{
// Don't allow agents to transfer calls INTO the acd. It screws
// things up. The correct behavior would be to move the call
// the agent is currently handling into a new queue, but due to
// the inability to remove calls from a conference, this just doesn't
// work. Hangup on the transfer attempt. Ths should leave
// caller and agent connected.
OsSysLog::add(FAC_ACD, PRI_WARNING,
"ACDCallManager::updateTransferCallState - "
"CALLSTATE_OFFERING::%d to the ACD Line REJECTED",
pCallInfo->cause);
sipxCallReject(pCallInfo->hCall, SIP_BAD_REQUEST_CODE, "Agent Transfer Loop Rejected");
return ;
}
// not an agent transferring into the acd
hCallHandle = hAssociatedCallHandle;
UtlInt callKey(hCallHandle);
pCallRef = dynamic_cast<ACDCall*>(mAgentCallHandleMap.findValue(&callKey));
}
else // not new call transfer
{
UtlInt searchKey(pCallInfo->hCall);
pCallRef = dynamic_cast<ACDCall*>(mTransferCallHandleMap.findValue(&searchKey));
}
if (pCallRef != NULL)
{
if (callCause == CALLSTATE_NEW_CALL_TRANSFER)
{
addMapTransferAgentCallHandleToCall(pCallInfo->hCall, pCallRef);
pCallRef->mFlagTransfer = TRUE; // only set TRUE here.
}
if ( (callCause == CALLSTATE_REMOTE_OFFERING_NORMAL)
&& (pCallRef->mFlagTransfer == TRUE))
{
UtlString userId, hostAddress;
Url remoteUrl(remUri);
remoteUrl.getUserId(userId);
remoteUrl.getHostAddress(hostAddress);
if (remUri)
{
// Now find the agent for this remUri
sprintf(userUri,"sip:%s@%s",userId.data(),hostAddress.data());
UtlString agentUri(userUri);
ACDAgent* pAgentRef =
mpAcdServer->getAcdAgentManager()->getAcdAgentReference(agentUri);
if (!pAgentRef)
{
OsSysLog::add(FAC_ACD, gACD_DEBUG,
"ACDCallManager::updateTransferCallState - "
"Failed to find Agent. This is probably an agent that is not signed in: "
"call(%d), TransferAgentCall(%d), agentUri(%s)",
pCallRef->getCallHandle(), pCallInfo->hCall, agentUri.data());
// A non registered agent is not yet supported - so do not try !
pAgentRef = mpAcdServer->getAcdAgentManager()->createACDAgent(userUri,
"dummy", "",
FALSE, FALSE, NULL, TRUE);
if (!pAgentRef)
{
assert(0);
}
}
//set the mhCallHandle of the Agent object
pAgentRef->setCallHandle(pCallInfo->hCall);
// set the transfer agent object in the call object
pCallRef->mpTransferAgent = pAgentRef;
OsSysLog::add(FAC_ACD, gACD_DEBUG,
"ACDCallManager::updateTransferCallState - "
"success in finding Agent: call(%d), TransferAgentCall(%d) AgentUri(%s)",
pCallRef->getCallHandle(), pCallInfo->hCall, pAgentRef->getUriString()->data());
}
}
if ( (callCause == CALLSTATE_REMOTE_OFFERING_NORMAL)
&& (pCallRef->mFlagTransfer == FALSE))
{
; // do nothing
}
else
{
pCallRef->updateState(hCallHandle, callEvent, callCause);
}
}
mLock.release();
return;
}
