forked from Mirrors/freeswitch
Start adding some strongly-typed accessors to common channel vars
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14774 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Giagnocavo
parent
2a3be1dc98
commit
f22a237b44
231
src/mod/languages/mod_managed/managed/ChannelVariables.cs
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231
src/mod/languages/mod_managed/managed/ChannelVariables.cs
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
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* Copyright (C) 2008, Michael Giagnocavo <mgg@giagnocavo.net>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application - mod_managed
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*
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* The Initial Developer of the Original Code is
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* Michael Giagnocavo <mgg@giagnocavo.net>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Michael Giagnocavo <mgg@giagnocavo.net>
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*
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* ChannelVariables.cs -- Strongly typed channel variables for ManagedSession
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace FreeSWITCH.Native {
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public partial class ManagedSession {
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// Need to find a better place to put these - then make them public
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static readonly DateTime epoch = new DateTime(1970, 1, 1);
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static DateTime epochUsToDateTime(long us){
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return us == 0 ?
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DateTime.MinValue :
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epoch.AddMilliseconds((double)((decimal)us / 1000m));
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}
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static bool strToBool(string s) {
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if (string.IsNullOrEmpty(s)) return false;
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switch (s.ToLowerInvariant()) {
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case "true":
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case "yes":
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case "on":
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case "enable":
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case "enabled":
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case "active":
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case "allow":
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return true;
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default:
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// Numbers are true
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long tmp;
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return long.TryParse(s, out tmp);
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}
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}
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static string boolToStr(bool b) {
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return b ? "true" : "false";
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}
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ChannelVariables _variables; // Set on ManagedSession init
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public ChannelVariables Variables {
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get {
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if (_variables == null) {
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_variables = new ChannelVariables(this);
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}
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return _variables;
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}
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}
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/// <summary>Strongly typed access to common variables</summary>
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public class ChannelVariables {
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readonly ManagedSession sess;
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internal ChannelVariables(ManagedSession session) {
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this.sess = session;
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}
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public IDictionary<string, string> GetAllVariables() {
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var dic = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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var evt = Native.freeswitch.switch_channel_variable_first(sess.channel);
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while(evt != null) {
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dic.Add(evt.name, evt.value);
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evt = evt.next;
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}
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Native.freeswitch.switch_channel_variable_last(sess.channel);
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return dic;
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}
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/*** Settings ***/
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const string bypass_media = "bypass_media";
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public bool BypassMedia {
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get { return strToBool(sess.GetVariable(bypass_media)); }
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set { sess.SetVariable(bypass_media, boolToStr(value)); }
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}
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/*** Times ***/
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const string created_time = "created_time";
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const string answered_time = "answered_time";
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const string hangup_time = "hangup_time";
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const string progress_time = "progress_time";
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const string transfer_time = "transfer_time";
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public DateTime CreatedTime {
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get { return epochUsToDateTime(long.Parse(sess.GetVariable(created_time))); }
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}
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DateTime? readUsecsDateTime(string varName) {
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var v = sess.GetVariable(varName);
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if (string.IsNullOrEmpty(v)) return null;
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else {
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var d = epochUsToDateTime(long.Parse(v));
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if (d == DateTime.MinValue) return null;
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return d;
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}
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}
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public DateTime? AnsweredTime {
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get { return readUsecsDateTime(answered_time); }
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}
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public DateTime? HangupTime {
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get { return readUsecsDateTime(hangup_time); }
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}
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public DateTime? ProgressTime {
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get { return readUsecsDateTime(progress_time); }
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}
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public DateTime? TransferTime {
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get { return readUsecsDateTime(transfer_time); }
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}
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/*** SIP Variables ***/
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const string sofia_profile_name = "sofia_profile_name";
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const string sip_received_ip = "sip_received_ip";
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const string sip_received_port = "sip_received_port";
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const string sip_via_protocol = "sip_via_protocol";
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const string sip_from_user = "sip_from_user";
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const string sip_from_uri = "sip_from_uri";
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const string sip_from_host = "sip_from_host";
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const string sip_req_user = "sip_req_user";
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const string sip_req_uri = "sip_req_uri";
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const string sip_req_host = "sip_req_host";
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const string sip_to_user = "sip_to_user";
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const string sip_to_uri = "sip_to_uri";
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const string sip_to_host = "sip_to_host";
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const string sip_contact_user = "sip_contact_user";
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const string sip_contact_port = "sip_contact_port";
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const string sip_contact_uri = "sip_contact_uri";
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const string sip_contact_host = "sip_contact_host";
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const string sip_call_id = "sip_call_id";
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const string sip_destination_url = "sip_destination_url";
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const string sip_term_status = "sip_term_status";
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const string sip_term_cause = "sip_term_status";
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const string switch_r_sdp = "switch_r_sdp";
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const string switch_m_sdp = "switch_m_sdp";
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const string sip_hangup_phrase = "sip_hangup_phrase";
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short? readShort(string varName) {
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var s = sess.GetVariable(varName);
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if (string.IsNullOrEmpty(s)) return null;
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short res;
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if (short.TryParse(s, out res)) return res;
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else return null;
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}
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int? readInt(string varName) {
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var s = sess.GetVariable(varName);
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if (string.IsNullOrEmpty(s)) return null;
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int res;
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if (int.TryParse(s, out res)) return res;
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else return null;
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}
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// String suffix is added when the var is better represented as
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// a different data type, but for now we return string
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public string SofiaProfileName { get { return sess.GetVariable(sofia_profile_name); } }
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public string SipCallID { get { return sess.GetVariable(sip_call_id); } }
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public string SipReceivedIP { get { return sess.GetVariable(sip_received_ip); } }
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public short? SipReceivedPort { get { return readShort(sip_received_port); } }
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public string SipViaProtocolString { get { return sess.GetVariable(sip_via_protocol); } }
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public string SipFromUser { get { return sess.GetVariable(sip_from_user); } }
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public string SipFromUriString { get { return sess.GetVariable(sip_from_uri); } }
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public string SipFromHost { get { return sess.GetVariable(sip_from_host); } }
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public string SipReqUser { get { return sess.GetVariable(sip_req_user); } }
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public string SipReqUriString { get { return sess.GetVariable(sip_req_uri); } }
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public string SipReqHost { get { return sess.GetVariable(sip_req_host); } }
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public string SipToUser { get { return sess.GetVariable(sip_to_user); } }
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public string SipToUriString { get { return sess.GetVariable(sip_to_uri); } }
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public string SipToHost { get { return sess.GetVariable(sip_to_host); } }
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public string SipContactUser { get { return sess.GetVariable(sip_contact_user); } }
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public string SipContactUriString { get { return sess.GetVariable(sip_contact_uri); } }
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public string SipContactHost { get { return sess.GetVariable(sip_contact_host); } }
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public short? SipContactPort { get { return readShort(sip_contact_port); } }
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public string SipDestinationUrlString { get { return sess.GetVariable(sip_destination_url); } }
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public int? SipTermStatus { get { return readInt(sip_term_status); } }
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public int? SipTermCause { get { return readInt(sip_term_cause); } }
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public string SwitchRSdp { get { return sess.GetVariable(switch_r_sdp); } }
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public string SwitchMSdp { get { return sess.GetVariable(switch_m_sdp); } }
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public string SipHangupPhrase { get { return sess.GetVariable(sip_hangup_phrase); } }
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/*** Other ***/
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const string proto_specific_hangup_cause = "proto_specific_hangup_cause";
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const string hangup_cause = "hangup_cause";
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const string hangup_cause_q850 = "hangup_cause_q850";
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const string originate_disposition = "originate_disposition";
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const string direction = "direction";
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public string ProtoSpecificHangupCause { get { return sess.GetVariable(proto_specific_hangup_cause); } }
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public string HangupCauseString { get { return sess.GetVariable(hangup_cause); } }
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public int? HangupCauseQ850 { get { return readInt(hangup_cause_q850); } }
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public string OriginateDispositionString { get { return sess.GetVariable(originate_disposition); } }
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public Native.switch_call_direction_t CallDirection {
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get {
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var s = sess.GetVariable(direction);
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if (string.IsNullOrEmpty(s)) return switch_call_direction_t.SWITCH_CALL_DIRECTION_INBOUND; // I guess
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return s.ToLowerInvariant() == "inbound" ? switch_call_direction_t.SWITCH_CALL_DIRECTION_INBOUND : switch_call_direction_t.SWITCH_CALL_DIRECTION_OUTBOUND;
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}
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}
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}
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}
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}
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@ -48,6 +48,7 @@
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</ItemGroup>
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<ItemGroup>
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<Compile Include="AssemblyInfo.cs" />
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<Compile Include="ChannelVariables.cs" />
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<Compile Include="ManagedSession.cs" />
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<Compile Include="Loader.cs" />
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<Compile Include="Extensions.cs" />
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@ -52,6 +52,9 @@ namespace FreeSWITCH.Native
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/// <summary>Initializes the native ManagedSession. Must be called after Originate.</summary>
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public void Initialize()
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{
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if (allocated == 0) {
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Log.WriteLine(LogLevel.Critical, "Cannot initialize a ManagedSession until it is allocated (originated successfully).");
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}
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// P/Invoke generated function pointers stick around until the delegate is collected
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// By sticking the delegates in fields, their lifetime won't be less than the session
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// So we don't need to worry about GCHandles and all that....
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@ -59,6 +62,7 @@ namespace FreeSWITCH.Native
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this._inputCallbackRef = inputCallback;
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this._hangupCallbackRef = hangupCallback;
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InitManagedSession(ManagedSession.getCPtr(this).Handle, this._inputCallbackRef, this._hangupCallbackRef);
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this._variables = new ChannelVariables(this);
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}
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DtmfCallback _inputCallbackRef;
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CdeclAction _hangupCallbackRef;
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@ -122,15 +126,9 @@ namespace FreeSWITCH.Native
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get { return this.Ready(); }
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}
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Guid _uuid;
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bool _uuidSet;
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public Guid Uuid {
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get {
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if (!_uuidSet) {
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_uuid = new Guid(this.GetUuid());
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_uuidSet = true;
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}
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return _uuid;
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return new Guid(this.GetUuid());
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}
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}
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}
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