private Request PrepareCallRequest(CallRequest request, out Call call)
{
call = new Call()
{
AccountSid = request.AccountSid, CallTo = request.To, AnswerUrl = request.AnswerUrl, Direction = "outbound-api", CallerId = request.From, Timeout = request.TimeLimit
};
Queue <DialString> dialStrings = new Queue <DialString>();
System.Text.StringBuilder args_list = new System.Text.StringBuilder();
string sched_hangup_id = string.Empty;
// don't allow "|" and "," in 'to' (destination) to avoid call injection
request.To = request.To.Split(',', '|')[0];
//set hangup_on_ring
int hangup = 0;
if (!int.TryParse(request.HangupOnRing, out hangup))
{
hangup = -1;
}
if (hangup == 0)
{
args_list.Append("execute_on_ring='hangup ORIGINATOR_CANCEL',");
}
else if (hangup > 0)
{
args_list.Append(string.Format("execute_on_ring='sched_hangup +{0} ORIGINATOR_CANCEL',", hangup));
}
// set send_digits
if (!string.IsNullOrEmpty(request.SendDigits))
{
args_list.Append(string.Format("execute_on_answer='send_dtmf {0}',", request.SendDigits));
}
//set time_limit
int time = 0;
if (!int.TryParse(request.TimeLimit, out time))
{
time = -1;
}
if (time > 0)
{
//create sched_hangup_id
sched_hangup_id = System.Guid.NewGuid().ToString();
args_list.Append(string.Format("api_on_answer='sched_api {0} +{1} hupall ALLOTTED_TIMEOUT agbara_callSid {2}',", sched_hangup_id, request.TimeLimit, call.Sid));
args_list.Append(string.Format("agbara_sched_hangup_id={0}", sched_hangup_id));
}
if (!string.IsNullOrEmpty(request.StatusCallbackUrl))
{
args_list.Append(string.Format("agbara_statuscallback_url={0},", request.StatusCallbackUrl));
args_list.Append(string.Format("agbara_statuscallbackmethod={0},", request.StatusCallbackMethod));
}
if (!string.IsNullOrEmpty(request.FallbackUrl))
{
args_list.Append(string.Format("agbara_fallbackrul={0},", request.FallbackUrl));
args_list.Append(string.Format("agbara_fallbackmethod={0},", request.FallbackMethod));
}
if (!string.IsNullOrEmpty(request.ApplicationSid))
{
args_list.Append(string.Format("agbara_applicationsid={0},", request.ApplicationSid));
}
args_list.Append(string.Format("agbara_callsid={0},", call.Sid));
args_list.Append(string.Format("agbara_accountsid={0},", call.AccountSid));
args_list.Append(string.Format("agbara_answer_url={0},", request.AnswerUrl));
args_list.Append(string.Format("origination_caller_id_number={0},", request.From));
//session_heartbeat
args_list.Append(string.Format("enable_heartbeat_events={0},", 60));
//Set Direction
args_list.Append(string.Format("agbara_call_direction={0}", CallDirection.outboundapi));
foreach (Gateway gate in _fsService.GetGatewaysForNumber(call.CallTo, FS.Sid))
{
for (int i = 1; i < int.Parse(gate.GatewayRetry); i++)
{
DialString dialString = new DialString(call.Sid, request.To, gate.GatewayString, gate.GatewayCodec, gate.GatewayTimeout.ToString(), args_list.ToString());
dialStrings.Enqueue(dialString);
}
}
Request call_req = new Request(call.Sid, dialStrings, request.AnswerUrl, request.StatusCallbackUrl, request.StatusCallbackMethod);
return(call_req);
}
private string PrepareNumber(Number Num, FSOutbound outboundClient)
{
List <string> num_gw = new List <string>();
string option_send_digits = string.Empty;
if (string.IsNullOrEmpty(Num.number))
{
return("");
}
if (!string.IsNullOrEmpty(Num.SendDigit))
{
option_send_digits = string.Format("api_on_answer='uuid_recv_dtmf ${uuid} {0}'", Num.SendDigit);
}
else
{
option_send_digits = "";
}
foreach (Gateway gw in fs.GetGatewaysForNumber(Num.number, ""))
{
List <string> num_options = new List <string>();
if (!string.IsNullOrEmpty(option_send_digits))
{
num_options.Add(option_send_digits);
}
num_options.Add(string.Format("absolute_codec_string={0}", gw.GatewayCodec));
num_options.Add(string.Format("leg_timeout={0}", gw.GatewayTimeout));
int gw_retries = 1;
try
{
gw_retries = int.Parse(gw.GatewayRetry);
if (gw_retries <= 0)
{
gw_retries = 1;
}
}
catch (Exception e)
{
gw_retries = 1;
}
string options = "";
if (!string.IsNullOrEmpty(num_options.ToString()))
{
options = string.Format("[{0}]", string.Join(",", num_options));
}
else
{
options = "";
}
string num_str = string.Format("{0}{1}/{2}", options, gw.GatewayString, Num.number);
string dial_num = "";
for (int i = 1; i <= gw_retries; i++)
{
dial_num = string.Join("|", num_str);
}
num_gw.Add(dial_num);
}
string result = string.Join("|", num_gw);
return(result);
}