| 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
 | class FreeswitchEventSocket
  DEFAULT_HOST = "127.0.0.1"
  DEFAULT_PORT = 8021
  DEFAULT_PASSWORD = "ClueCon"
  DEFAULT_SOCKET_TIMEOUT = 20
  @socket = nil
  
  def auth(password)
    self.command("auth #{password}")
    result = self.result()
    if result && result["Reply-Text"] == "+OK accepted"
      return true
    end
    return false
  end
  def connect(password = nil, event_host = nil, event_port = nil)
    event_host = event_host || GsParameter.get('host', 'event_socket', 'client') || GsParameter.get('listen-ip', 'event_socket', 'settings') || DEFAULT_HOST
    event_port = event_port || GsParameter.get('port', 'event_socket', 'client') || GsParameter.get('listen-port', 'event_socket', 'settings') || DEFAULT_PORT
    password = password || GsParameter.get('password', 'event_socket', 'client') || GsParameter.get('password', 'event_socket', 'settings') || DEFAULT_PASSWORD
    begin
      @socket = TCPSocket.open(event_host, event_port)
    rescue
      return false
    end
    if not @socket
      return false
    end
    result = self.result()
    if result && result["Content-Type"] == "auth/request" then
      if not self.auth(password)
        return false
      end
    end
    return true
  end
  def command(command)
    @socket.puts("#{command}\n\n")
  end
  def close()
    @socket.close
  end
  def read(read_bytes=1024)
    return @socket.recv(read_bytes)
  end
  def result()
    reply = self.read()
    if reply.class == String
      message = Hash.new()
      header, body = reply.split("\n\n", 2)
      if ! body.blank?
        message['_BODY'] = body
      end
      header.split("\n").each do |line|
        key, value = line.split(/\: */, 2)
        message[key] = value
      end
      return message
    end
    return nil
  end
end
class FreeswitchEvent
  def initialize(event_type)
    @event_type = event_type
    @event_header = Array.new()
    @event_body = nil
    @event_header.push("sendevent #{@event_type}")
  end
  def add_header(name, value)
    @event_header.push("#{name}: #{value}")
  end
  def add_body(body)
    @event_body = body
  end
  def fire()
    if @event_body && @event_body.length > 0 
      self.add_header("content-length",  @event_body.length);
    end
    event = FreeswitchEventSocket.new()
    if event && event.connect()
      event.command(@event_header.join("\n"))
      event.command( @event_body)
      result = event.result()
      event.close()
      if result && result["Reply-Text"] == "+OK"
        return true
      end
    end
    return false
  end
end
class FreeswitchAPI
  def self.api_result(result)
    if not result
      return nil
    end
    if result['Content-Type'] == 'api/response'
      if result['_BODY'].blank?
        return nil
      elsif result['_BODY'] =~ /^\+OK/
        return true
      elsif result['_BODY'] =~ /^\-ERR/
        return false
      else
        return result['_BODY']
      end
    end
    
    return nil
  end
  def self.api(command, *arguments)
    event = FreeswitchEventSocket.new()
    if event && event.connect()
      event.command("api #{command} #{arguments.join(' ')}")
      result = event.result()
      content_length = result['Content-Length'].to_i
      while content_length > result['_BODY'].to_s.length
        body = event.read(content_length - result['_BODY'].to_s.length)
        if body.blank?
          break
        end
        result['_BODY'] = result['_BODY'].to_s + body;
      end
      event.close()
      return result
    end
  end
  def self.execute(command, arguments, bgapi = false)
    event = FreeswitchEventSocket.new()
    if event && event.connect()
      api = bgapi ? 'bgapi' : 'api'
      event.command( "#{api} #{command} #{arguments}")
      result = event.result()
      if result && result["Content-Type"] == 'api/response' && result["_BODY"].blank?
        result = event.result()
      end
      event.close()
      if result 
        if result.has_key?('Reply-Text') && result['Reply-Text'] =~ /^\+OK/
          if result.has_key?('Job-UUID') && ! result['Job-UUID'].blank?
            return result['Job-UUID'];
          else
            return true;
          end
        elsif result.has_key?('_BODY') && result['_BODY'] =~ /^\+OK/
          return true;
        end
      end
    end
    return false
  end
  def self.channel_variable_get(channel_uuid, variable_name)
    result = nil
    event = FreeswitchEventSocket.new()
    if event && event.connect()
      event.command( "api uuid_getvar #{channel_uuid} #{variable_name}")
      event_result = event.result()
      if event_result && event_result["Content-Type"] == 'api/response' && event_result["Content-Length"].to_i > 0
        result = event.read(event_result["Content-Length"].to_i)
      end
      event.close()
    end
    return result
  end
end
 |