private static void HandleCustomEvent(FSEvent evt, string uuid)
{
if (evt.subclass_name == "portaudio::ringing")
{
Utils.DebugEventDump(evt);
if ((from c in calls where c._leg_a_uuid == uuid && c.call_ended == false select c).Count() > 0) //only care about first ring
{
return;
}
Call call = new Call();
call.SetCallInfoFromEvent(evt);
String gw_id = (from c in channels where c.Key == call.leg_b_uuid select c.Value.gateway_id).SingleOrDefault();
call.account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
calls.Add(call);
call.UpdateCallState(CALL_STATE.Ringing, active_call ?? call);
}
else if (evt.subclass_name == "portaudio::makecall")
{
Utils.DebugEventDump(evt);
if (evt.get_header("fail") == "true")
{
MessageBox.Show("Make Call failed!!!, came from portaudio not sure why");
return;
}
Call call = new Call();
call.is_outgoing = true;
call.SetCallInfoFromEvent(evt);
if (call.other_party_number == "fsc_conference")
{
call.visibility = Visibility.Collapsed;
Conference.instance.our_conference_call = call;
call.is_conference_call = true;
}
calls.Add(call);
call.UpdateCallState(call.is_conference_call ? CALL_STATE.Answered : CALL_STATE.Ringing, call);
}
else if (evt.subclass_name == "portaudio::callheld" || evt.subclass_name == "portaudio::callresumed")
{
String paid_str = evt.get_header("variable_pa_call_id");
if (String.IsNullOrEmpty(paid_str))
{
return;
}
int portaudio_id = Int32.Parse(paid_str);
Call call = (from c in calls where c.portaudio_id == portaudio_id && c.call_ended == false select c).SingleOrDefault();
if (call == null)
{
return;
}
if (evt.subclass_name == "portaudio::callresumed")
{
call.UpdateCallState(CALL_STATE.Answered, call);
}
else
{
call.UpdateCallState(call.state == CALL_STATE.Ringing ? CALL_STATE.Hold_Ringing : CALL_STATE.Hold, call == active_call ? null : active_call);
}
}
}
public static void HandleGatewayEvent(FSEvent evt)
{
String gateway = evt.get_header("Gateway");
Account account = (from a in accounts where a.gateway_id == gateway select a).SingleOrDefault();
if (account == null)
{
return;
}
account.state = evt.get_header("State");
}
private ConferenceUser GetUser(FSEvent evt)
{
String member_id = evt.get_header("Member-ID");
ConferenceUser user = (from u in users where u.id == member_id select u).FirstOrDefault();
return(user);
}
private static void HandleDTMFEvent(FSEvent evt, string uuid)
{
String digit = evt.get_header("DTMF-Digit");
var call = (from c in calls where (c.leg_a_uuid == uuid || c.leg_b_uuid == uuid) && c.call_ended == false select c).SingleOrDefault();
if (call != null && call.state == CALL_STATE.Answered && digit.Length == 1)
{
PortAudio.PlayDTMF(digit[0], call.leg_a_uuid);
}
}
public static void HandleOutgoingEvent(FSEvent evt, String uuid) //capture an outgoing call the other leg
{
String other_leg = evt.get_header("Other-Leg-Unique-ID");
Call call = (from c in calls where c.leg_a_uuid == other_leg && c.call_ended == false select c).SingleOrDefault();
if (call == null || !call.is_outgoing)
{
return;
}
call.leg_b_uuid = uuid;
}
public static void HandleHangupCompleteEvent(FSEvent evt, String uuid)
{
Utils.DebugEventDump(evt);
Call call = (from c in calls where c.call_ended == false && (c.leg_a_uuid == uuid || c.leg_b_uuid == uuid) select c).SingleOrDefault();
if (call == null || call.call_ended)
{
return;
}
CALL_STATE new_state = CALL_STATE.None;
if (call.state != CALL_STATE.Answered && call.state != CALL_STATE.Missed && call.state != CALL_STATE.Hold)
{
if (String.IsNullOrEmpty(call.note))
{
call.note = evt.get_header("variable_sip_hangup_phrase");
}
if (!call.is_outgoing && call.state == CALL_STATE.Ringing)
{
new_state = CALL_STATE.Missed;
}
else
{
new_state = CALL_STATE.Failed;
}
}
else if (call.state == CALL_STATE.Answered || call.state == CALL_STATE.Hold)
{
new_state = CALL_STATE.Ended;
}
if (new_state == CALL_STATE.None)
{
throw new Exception("Not sure what happened call was at state...: " + call.state);
}
Call new_active_call;
if (Call.active_call != call)
{
new_active_call = Call.active_call;
}
else
{
new_active_call = (from c in calls where c.state == CALL_STATE.Ringing && c.is_outgoing == false && c != call select c).FirstOrDefault();
}
call.UpdateCallState(new_state, new_active_call);
}
private static void handleChannelCreateEvent(FSEvent evt, string uuid)
{
Channel c;
if (!channels.TryGetValue(uuid, out c))
{
c = new Channel();
channels.Add(uuid, c);
}
String gateway = evt.get_header("variable_sip_gateway");
if (!String.IsNullOrEmpty(gateway))
{
c.gateway_id = gateway;
}
}
private void SetCallInfoFromEvent(FSEvent evt)
{
leg_a_uuid = evt.get_header("Unique-ID");
leg_b_uuid = evt.get_header("Other-Leg-Unique-ID");
if (is_outgoing)
{
bool is_sip_direct = false;
if (DestNumberRegex == null)
{
DestNumberRegex = new Regex("sofia/gateway/([0-9]+)/(.+)", RegexOptions.Compiled);
}
Match match = DestNumberRegex.Match(evt.get_header("Caller-Destination-Number"));
if (!match.Success)
{
if (DestSipRegex == null)
{
DestSipRegex = new Regex("gw_ref=([0-9]+)}sofia/softphone/(.+)", RegexOptions.Compiled);
}
match = DestSipRegex.Match(evt.get_header("Caller-Destination-Number"));
is_sip_direct = true;
}
if (match.Success && match.Groups.Count == 3)
{
String gw_id = match.Groups[1].Value;
account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
other_party_number = is_sip_direct ? "sip:" + match.Groups[2].Value : match.Groups[2].Value;
}
}
else
{
other_party_name = evt.get_header("Caller-Caller-ID-Name");
other_party_number = evt.get_header("Caller-Caller-ID-Number");
}
if (String.IsNullOrEmpty(other_party_name))
{
other_party_name = other_party_number;
}
String paid_str = evt.get_header("variable_pa_call_id");
if (!String.IsNullOrEmpty(paid_str))
{
portaudio_id = Int32.Parse(paid_str);
}
}
public static void NewFSEvent(object sender, FSEvent evt)
{
if (evt.event_id != switch_event_types_t.SWITCH_EVENT_MODULE_LOAD)
{
Utils.DebugEventDump(evt);
}
String uuid = evt.get_header("Unique-ID");
switch (evt.event_id)
{
case switch_event_types_t.SWITCH_EVENT_CHANNEL_CREATE:
handleChannelCreateEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_OUTGOING:
HandleOutgoingEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_HANGUP_COMPLETE:
HandleHangupCompleteEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_ANSWER:
String dest = "Caller-Destination-Number";
if (dest != "fsc_conference")
{
HandleChannelAnswerEvent(evt, uuid);
}
break;
case switch_event_types_t.SWITCH_EVENT_CUSTOM:
HandleCustomEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_DESTROY:
channels.Remove(uuid);
break;
case switch_event_types_t.SWITCH_EVENT_DTMF:
HandleDTMFEvent(evt, uuid);
break;
}
}
private static void HandleChannelAnswerEvent(FSEvent evt, String uuid)
{
Call call = (from c in calls where c.leg_b_uuid == uuid && c.call_ended == false select c).SingleOrDefault();
if (call == null)
{
String orig_dest = evt.get_header("Other-Leg-Destination-Number");
if (orig_dest != "auto_answer")
{
return;
}
call = new Call();
call.SetCallInfoFromEvent(evt);
String gw_id = (from c in channels where c.Key == call.leg_b_uuid select c.Value.gateway_id).SingleOrDefault();
call.account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
calls.Add(call);
call.UpdateCallState(CALL_STATE.Ringing, call);
}
if (call.state == CALL_STATE.Answered)
{
return;
}
if (call.state == CALL_STATE.Ringing || (call.state == CALL_STATE.Hold_Ringing && !call.is_outgoing))
{
call.UpdateCallState(CALL_STATE.Answered, (call.is_outgoing || call.is_conference_call) ? active_call : call);
}
else if (call.state == CALL_STATE.Hold_Ringing)
{
call.UpdateCallState(CALL_STATE.Hold, active_call);
}
else
{
throw new Exception("Unknown state, call answered but was not in a state of hold_ring or ringing");
}
}
public void NewFSEvent(object sender, FSEvent evt)
{
if (evt.event_id != switch_event_types_t.SWITCH_EVENT_CUSTOM || evt.subclass_name != "conference::maintenance" || evt.get_header("Conference-Name") != "fsc_conference")
return;
String type = evt.get_header("Action");
ConferenceUser user;
switch (type) {
case "add-member":
String member_id = evt.get_header("Member-ID");
String uuid = evt.get_header("Unique-ID");
String source = evt.get_header("Caller-Source");
String direction = evt.get_header("Call-Direction");
user = new ConferenceUser { id = member_id, uuid = uuid, party_name = evt.get_header("Caller-Caller-ID-Name"), party_number = evt.get_header("Caller-Caller-ID-Number") };
if (source == "mod_portaudio" && direction == "inbound") {
user.party_number = user.party_name = "You";
user.is_us = true;
}
users.Add(user);
break;
case "del-member":
user = GetUser(evt);
if (user == null)
return;
users.Remove(user);
break;
case "start-talking":
user = GetUser(evt);
if (user == null)
return;
user.state |= ConferenceUser.USER_STATE.TALK;
break;
case "stop-talking":
user = GetUser(evt);
if (user == null)
return;
user.state ^= ConferenceUser.USER_STATE.TALK;
break;
case "floor-change":
user = GetUser(evt);
if (user == null)
return;
foreach (var u in users)
u.state ^= ConferenceUser.USER_STATE.FLOOR;
user.state |= ConferenceUser.USER_STATE.FLOOR;
break;
}
}
private void SetCallInfoFromEvent(FSEvent evt)
{
leg_a_uuid = evt.get_header("Unique-ID");
leg_b_uuid = evt.get_header("Other-Leg-Unique-ID");
if (is_outgoing) {
bool is_sip_direct = false;
if (DestNumberRegex == null)
DestNumberRegex = new Regex("sofia/gateway/([0-9]+)/(.+)", RegexOptions.Compiled);
Match match = DestNumberRegex.Match(evt.get_header("Caller-Destination-Number"));
if (! match.Success){
if (DestSipRegex == null)
DestSipRegex = new Regex("gw_ref=([0-9]+)}sofia/softphone/(.+)", RegexOptions.Compiled);
match = DestSipRegex.Match(evt.get_header("Caller-Destination-Number"));
is_sip_direct = true;
}
if (match.Success && match.Groups.Count == 3) {
String gw_id = match.Groups[1].Value;
account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
other_party_number = is_sip_direct ? "sip:" + match.Groups[2].Value : match.Groups[2].Value;
}
}
else {
other_party_name = evt.get_header("Caller-Caller-ID-Name");
other_party_number = evt.get_header("Caller-Caller-ID-Number");
}
if (String.IsNullOrEmpty(other_party_name))
other_party_name = other_party_number;
String paid_str = evt.get_header("variable_pa_call_id");
if (!String.IsNullOrEmpty(paid_str))
portaudio_id = Int32.Parse(paid_str);
}
private static void HandleDTMFEvent(FSEvent evt, string uuid)
{
String digit = evt.get_header("DTMF-Digit");
var call = (from c in calls where (c.leg_a_uuid == uuid || c.leg_b_uuid == uuid) && c.call_ended==false select c).SingleOrDefault();
if (call != null && call.state == CALL_STATE.Answered && digit.Length == 1)
PortAudio.PlayDTMF(digit[0], call.leg_a_uuid);
}
private static void HandleCustomEvent(FSEvent evt, string uuid)
{
if (evt.subclass_name == "portaudio::ringing") {
Utils.DebugEventDump(evt);
if ((from c in calls where c._leg_a_uuid == uuid && c.call_ended == false select c).Count() > 0)//only care about first ring
return;
Call call = new Call();
call.SetCallInfoFromEvent(evt);
String gw_id = (from c in channels where c.Key == call.leg_b_uuid select c.Value.gateway_id).SingleOrDefault();
call.account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
calls.Add(call);
call.UpdateCallState(CALL_STATE.Ringing, active_call ?? call);
}
else if (evt.subclass_name == "portaudio::makecall") {
Utils.DebugEventDump(evt);
if (evt.get_header("fail") == "true") {
MessageBox.Show("Make Call failed!!!, came from portaudio not sure why");
return;
}
Call call = new Call();
call.is_outgoing = true;
call.SetCallInfoFromEvent(evt);
if (call.other_party_number == "fsc_conference"){
call.visibility = Visibility.Collapsed;
Conference.instance.our_conference_call = call;
call.is_conference_call = true;
}
calls.Add(call);
call.UpdateCallState(call.is_conference_call ? CALL_STATE.Answered : CALL_STATE.Ringing, call);
}
else if (evt.subclass_name == "portaudio::callheld" || evt.subclass_name == "portaudio::callresumed") {
String paid_str = evt.get_header("variable_pa_call_id");
if (String.IsNullOrEmpty(paid_str))
return;
int portaudio_id = Int32.Parse(paid_str);
Call call = (from c in calls where c.portaudio_id == portaudio_id && c.call_ended == false select c).SingleOrDefault();
if (call == null)
return;
if (evt.subclass_name == "portaudio::callresumed")
call.UpdateCallState(CALL_STATE.Answered, call);
else
call.UpdateCallState(call.state == CALL_STATE.Ringing ? CALL_STATE.Hold_Ringing : CALL_STATE.Hold, call == active_call ? null : active_call);
}
}
private static void handleChannelCreateEvent(FSEvent evt, string uuid)
{
Channel c;
if (!channels.TryGetValue(uuid, out c)) {
c = new Channel();
channels.Add(uuid, c);
}
String gateway = evt.get_header("variable_sip_gateway");
if (!String.IsNullOrEmpty(gateway))
c.gateway_id = gateway;
}
private static void HandleChannelAnswerEvent(FSEvent evt, String uuid)
{
Call call = (from c in calls where c.leg_b_uuid == uuid && c.call_ended == false select c).SingleOrDefault();
if (call == null){
String orig_dest = evt.get_header("Other-Leg-Destination-Number");
if (orig_dest != "auto_answer")
return;
call = new Call();
call.SetCallInfoFromEvent(evt);
String gw_id = (from c in channels where c.Key == call.leg_b_uuid select c.Value.gateway_id).SingleOrDefault();
call.account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
calls.Add(call);
call.UpdateCallState(CALL_STATE.Ringing, call);
}
if (call.state == CALL_STATE.Answered)
return;
if (call.state == CALL_STATE.Ringing || (call.state == CALL_STATE.Hold_Ringing && !call.is_outgoing))
call.UpdateCallState(CALL_STATE.Answered, (call.is_outgoing || call.is_conference_call) ? active_call : call);
else if (call.state == CALL_STATE.Hold_Ringing)
call.UpdateCallState(CALL_STATE.Hold, active_call);
else
throw new Exception("Unknown state, call answered but was not in a state of hold_ring or ringing");
}
public static void NewFSEvent(object sender, FSEvent evt)
{
if (evt.event_id != switch_event_types_t.SWITCH_EVENT_MODULE_LOAD)
Utils.DebugEventDump(evt);
String uuid = evt.get_header("Unique-ID");
switch (evt.event_id) {
case switch_event_types_t.SWITCH_EVENT_CHANNEL_CREATE:
handleChannelCreateEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_OUTGOING:
HandleOutgoingEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_HANGUP_COMPLETE:
HandleHangupCompleteEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_ANSWER:
String dest = "Caller-Destination-Number";
if (dest != "fsc_conference")
HandleChannelAnswerEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CUSTOM:
HandleCustomEvent(evt, uuid);
break;
case switch_event_types_t.SWITCH_EVENT_CHANNEL_DESTROY:
channels.Remove(uuid);
break;
case switch_event_types_t.SWITCH_EVENT_DTMF:
HandleDTMFEvent(evt, uuid);
break;
}
}
//capture an outgoing call the other leg
public static void HandleOutgoingEvent(FSEvent evt, String uuid)
{
String other_leg = evt.get_header("Other-Leg-Unique-ID");
Call call = (from c in calls where c.leg_a_uuid == other_leg && c.call_ended == false select c).SingleOrDefault();
if (call == null || !call.is_outgoing)
return;
call.leg_b_uuid = uuid;
}
public static void HandleHangupCompleteEvent(FSEvent evt, String uuid)
{
Utils.DebugEventDump(evt);
Call call = (from c in calls where c.call_ended == false && (c.leg_a_uuid == uuid || c.leg_b_uuid == uuid) select c).SingleOrDefault();
if (call == null || call.call_ended)
return;
CALL_STATE new_state = CALL_STATE.None;
if (call.state != CALL_STATE.Answered && call.state != CALL_STATE.Missed && call.state != CALL_STATE.Hold) {
if (String.IsNullOrEmpty(call.note))
call.note = evt.get_header("variable_sip_hangup_phrase");
if (!call.is_outgoing && call.state == CALL_STATE.Ringing)
new_state = CALL_STATE.Missed;
else
new_state = CALL_STATE.Failed;
}
else if (call.state == CALL_STATE.Answered || call.state == CALL_STATE.Hold)
new_state = CALL_STATE.Ended;
if (new_state == CALL_STATE.None)
throw new Exception("Not sure what happened call was at state...: " + call.state);
Call new_active_call;
if (Call.active_call != call)
new_active_call = Call.active_call;
else
new_active_call = (from c in calls where c.state == CALL_STATE.Ringing && c.is_outgoing == false && c != call select c).FirstOrDefault();
call.UpdateCallState(new_state, new_active_call);
}
public static void HandleGatewayEvent(FSEvent evt)
{
String gateway = evt.get_header("Gateway");
Account account = (from a in accounts where a.gateway_id == gateway select a).SingleOrDefault();
if (account == null)
return;
account.state = evt.get_header("State");
}
private void SetCallInfoFromEvent(FSEvent evt)
{
leg_a_uuid = evt.get_header("Unique-ID");
leg_b_uuid = evt.get_header("Other-Leg-Unique-ID");
if (is_outgoing)
{
bool is_sip_direct = false;
if (DestNumberRegex == null)
{
DestNumberRegex = new Regex("sofia/gateway/([0-9]+)/(.+)", RegexOptions.Compiled);
}
Match match = DestNumberRegex.Match(evt.get_header("Caller-Destination-Number"));
if (!match.Success)
{
if (DestSipRegex == null)
{
DestSipRegex = new Regex("gw_ref=([0-9]+)}sofia/softphone/(.+)", RegexOptions.Compiled);
}
match = DestSipRegex.Match(evt.get_header("Caller-Destination-Number"));
is_sip_direct = true;
}
if (match.Success && match.Groups.Count == 3)
{
String gw_id = match.Groups[1].Value;
account = (from a in Account.accounts where a.gateway_id == gw_id select a).SingleOrDefault();
other_party_number = is_sip_direct ? "sip:" + match.Groups[2].Value : match.Groups[2].Value;
}
}
else
{
other_party_name = evt.get_header("Caller-Caller-ID-Name");
other_party_number = evt.get_header("Caller-Caller-ID-Number");
}
if (CALL_NUMBER_PREFIX_STRIPS != null)
{
foreach (var strip in CALL_NUMBER_PREFIX_STRIPS)
{
if (strip.min_length != 0 && other_party_number.Length < strip.min_length)
{
continue;
}
if (strip.max_length != 0 && other_party_number.Length > strip.max_length)
{
continue;
}
if (!String.IsNullOrWhiteSpace(strip.starts_with) && other_party_number.StartsWith(strip.starts_with))
{
other_party_number = other_party_number.Substring(strip.starts_with.Length);
break;
}
}
}
if (String.IsNullOrEmpty(other_party_name))
{
other_party_name = other_party_number;
}
String paid_str = evt.get_header("variable_pa_call_id");
if (!String.IsNullOrEmpty(paid_str))
{
portaudio_id = Int32.Parse(paid_str);
}
}
public void NewFSEvent(object sender, FSEvent evt)
{
if (evt.event_id != switch_event_types_t.SWITCH_EVENT_CUSTOM || evt.subclass_name != "conference::maintenance" || evt.get_header("Conference-Name") != "fsc_conference")
{
return;
}
String type = evt.get_header("Action");
ConferenceUser user;
switch (type)
{
case "add-member":
String member_id = evt.get_header("Member-ID");
String uuid = evt.get_header("Unique-ID");
String source = evt.get_header("Caller-Source");
String direction = evt.get_header("Call-Direction");
user = new ConferenceUser {
id = member_id, uuid = uuid, party_name = evt.get_header("Caller-Caller-ID-Name"), party_number = evt.get_header("Caller-Caller-ID-Number")
};
if (source == "mod_portaudio" && direction == "inbound")
{
user.party_number = user.party_name = "You";
user.is_us = true;
}
users.Add(user);
break;
case "del-member":
user = GetUser(evt);
if (user == null)
{
return;
}
users.Remove(user);
break;
case "start-talking":
user = GetUser(evt);
if (user == null)
{
return;
}
user.state |= ConferenceUser.USER_STATE.TALK;
break;
case "stop-talking":
user = GetUser(evt);
if (user == null)
{
return;
}
user.state ^= ConferenceUser.USER_STATE.TALK;
break;
case "floor-change":
user = GetUser(evt);
if (user == null)
{
return;
}
foreach (var u in users)
{
u.state ^= ConferenceUser.USER_STATE.FLOOR;
}
user.state |= ConferenceUser.USER_STATE.FLOOR;
break;
}
}
private ConferenceUser GetUser(FSEvent evt)
{
String member_id = evt.get_header("Member-ID");
ConferenceUser user = (from u in users where u.id == member_id select u).FirstOrDefault();
return user;
}