prosody
8eccd07b619c
net/websocket.lua

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net/websocket.lua @ 6389:8eccd07b619c

net/websocket: Add new websocket client code
author daurnimator <quae@daurnimator.com>
date Wed, 03 Sep 2014 15:28:46 -0400
child 6398:ad434f47bfc0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6389
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
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1 -- Prosody IM
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2 -- Copyright (C) 2012 Florian Zeitz
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3 -- Copyright (C) 2014 Daurnimator
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local http = require "net.http";
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10 local frames = require "net.websocket.frames";
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11 local base64 = require "util.encodings".base64;
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12 local sha1 = require "util.hashes".sha1;
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13 local random_bytes = require "util.random".bytes;
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14 local timer = require "util.timer";
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15 local log = require "util.logger".init "websocket";
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16
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17 local close_timeout = 3; -- Seconds to wait after sending close frame until closing connection.
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18
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19 local websockets = {};
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20
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21 local websocket_listeners = {};
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22 function websocket_listeners.ondisconnect(handler, err)
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23 local s = websockets[handler];
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24 websockets[handler] = nil;
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25 if s.close_timer then
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26 timer.stop(s.close_timer);
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27 s.close_timer = nil;
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28 end
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29 s.readyState = 3;
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30 if s.close_code == nil and s.onerror then s:onerror(err); end
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31 if s.onclose then s:onclose(s.close_code, s.close_message or err); end
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32 end
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33
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34 function websocket_listeners.ondetach(handler)
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35 websockets[handler] = nil;
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36 end
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37
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38 local function fail(s, code, reason)
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39 module:log("warn", "WebSocket connection failed, closing. %d %s", code, reason);
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40 s:close(code, reason);
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41 s.handler:close();
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42 return false
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43 end
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44
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45 function websocket_listeners.onincoming(handler, buffer, err)
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46 local s = websockets[handler];
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47 s.readbuffer = s.readbuffer..buffer;
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48 while true do
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49 local frame, len = frames.parse(s.readbuffer);
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50 if frame == nil then break end
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51 s.readbuffer = s.readbuffer:sub(len+1);
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52
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53 log("debug", "Websocket received frame: opcode=%0x, %i bytes", frame.opcode, #frame.data);
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54
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55 -- Error cases
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56 if frame.RSV1 or frame.RSV2 or frame.RSV3 then -- Reserved bits non zero
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57 return fail(s, 1002, "Reserved bits not zero");
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58 end
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59
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60 if frame.opcode < 0x8 then
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61 local databuffer = s.databuffer;
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62 if frame.opcode == 0x0 then -- Continuation frames
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63 if not databuffer then
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64 return fail(s, 1002, "Unexpected continuation frame");
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65 end
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66 databuffer[#databuffer+1] = frame.data;
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67 elseif frame.opcode == 0x1 or frame.opcode == 0x2 then -- Text or Binary frame
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68 if databuffer then
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69 return fail(s, 1002, "Continuation frame expected");
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70 end
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71 databuffer = {type=frame.opcode, frame.data};
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72 s.databuffer = databuffer;
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73 else
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74 return fail(s, 1002, "Reserved opcode");
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75 end
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76 if frame.FIN then
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77 s.databuffer = nil;
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78 if s.onmessage then
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79 s:onmessage(table.concat(databuffer), databuffer.type);
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80 end
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81 end
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82 else -- Control frame
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83 if frame.length > 125 then -- Control frame with too much payload
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84 return fail(s, 1002, "Payload too large");
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85 elseif not frame.FIN then -- Fragmented control frame
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86 return fail(s, 1002, "Fragmented control frame");
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87 end
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88 if frame.opcode == 0x8 then -- Close request
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89 if frame.length == 1 then
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90 return fail(s, 1002, "Close frame with payload, but too short for status code");
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91 end
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92 local status_code, message = frames.parse_close(frame.data);
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93 if status_code == nil then
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94 --[[ RFC 6455 7.4.1
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95 1005 is a reserved value and MUST NOT be set as a status code in a
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96 Close control frame by an endpoint. It is designated for use in
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97 applications expecting a status code to indicate that no status
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98 code was actually present.
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99 ]]
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100 status_code = 1005
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101 elseif status_code < 1000 then
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102 return fail(s, 1002, "Closed with invalid status code");
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103 elseif ((status_code > 1003 and status_code < 1007) or status_code > 1011) and status_code < 3000 then
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104 return fail(s, 1002, "Closed with reserved status code");
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105 end
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106 s.close_code, s.close_message = status_code, message;
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107 s:close(1000);
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108 return true;
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109 elseif frame.opcode == 0x9 then -- Ping frame
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110 frame.opcode = 0xA;
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111 frame.MASK = true; -- RFC 6455 6.1.5: If the data is being sent by the client, the frame(s) MUST be masked
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112 handler:write(frames.build(frame));
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113 elseif frame.opcode == 0xA then -- Pong frame
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114 log("debug", "Received unexpected pong frame: " .. tostring(frame.data));
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115 else
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116 return fail(s, 1002, "Reserved opcode");
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117 end
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118 end
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119 end
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120 return true;
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121 end
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122
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123 local websocket_methods = {};
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124 local function close_timeout_cb(now, timerid, s)
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125 s.close_timer = nil;
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126 log("warn", "Close timeout waiting for server to close, closing manually.");
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127 s.handler:close();
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128 end
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129 function websocket_methods:close(code, reason)
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130 if self.readyState < 2 then
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131 code = code or 1000;
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132 log("debug", "closing WebSocket with code %i: %s" , code , tostring(reason));
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diff changeset
133 self.readyState = 2;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
134 local handler = self.handler;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
135 handler:write(frames.build_close(code, reason));
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
136 -- Do not close socket straight away, wait for acknowledgement from server.
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
137 self.close_timer = timer.add_task(close_timeout, close_timeout_cb, self);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
138 elseif self.readyState == 2 then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
139 log("debug", "tried to close a closing WebSocket, closing the raw socket.");
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
140 -- Stop timer
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
141 if self.close_timer then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
142 timer.stop(self.close_timer);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
143 self.close_timer = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
144 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
145 local handler = self.handler;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
146 handler:close();
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
147 else
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
148 log("debug", "tried to close a closed WebSocket, ignoring.");
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
149 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
150 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
151 function websocket_methods:send(data, opcode)
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
152 if self.readyState < 1 then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
153 return nil, "WebSocket not open yet, unable to send data.";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
154 elseif self.readyState >= 2 then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
155 return nil, "WebSocket closed, unable to send data.";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
156 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
157 if opcode == "text" or opcode == nil then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
158 opcode = 0x1;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
159 elseif opcode == "binary" then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
160 opcode = 0x2;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
161 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
162 local frame = {
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
163 FIN = true;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
164 MASK = true; -- RFC 6455 6.1.5: If the data is being sent by the client, the frame(s) MUST be masked
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
165 opcode = opcode;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
166 data = tostring(data);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
167 };
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
168 log("debug", "WebSocket sending frame: opcode=%0x, %i bytes", frame.opcode, #frame.data);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
169 return self.handler:write(frames.build(frame));
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
170 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
171
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
172 local websocket_metatable = {
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
173 __index = websocket_methods;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
174 };
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
175
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
176 local function connect(url, ex, listeners)
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
177 ex = ex or {};
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
178
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
179 --[[ RFC 6455 4.1.7:
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
180 The request MUST include a header field with the name
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
181 |Sec-WebSocket-Key|. The value of this header field MUST be a
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
182 nonce consisting of a randomly selected 16-byte value that has
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
183 been base64-encoded (see Section 4 of [RFC4648]). The nonce
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
184 MUST be selected randomly for each connection.
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
185 ]]
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
186 local key = base64.encode(random_bytes(16));
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
187
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
188 -- Either a single protocol string or an array of protocol strings.
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
189 local protocol = ex.protocol;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
190 if type(protocol) == "table" then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
191 protocol = table.concat(protocol, ", ");
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
192 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
193
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
194 local headers = {
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
195 ["Upgrade"] = "websocket";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
196 ["Connection"] = "Upgrade";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
197 ["Sec-WebSocket-Key"] = key;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
198 ["Sec-WebSocket-Protocol"] = protocol;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
199 ["Sec-WebSocket-Version"] = "13";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
200 ["Sec-WebSocket-Extensions"] = ex.extensions;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
201 }
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
202 if ex.headers then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
203 for k,v in pairs(ex.headers) do
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
204 headers[k] = v;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
205 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
206 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
207
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
208 local s = setmetatable({
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
209 readbuffer = "";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
210 databuffer = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
211 handler = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
212 close_code = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
213 close_message = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
214 close_timer = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
215 readyState = 0;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
216 protocol = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
217
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
218 url = url;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
219
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
220 onopen = listeners.onopen;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
221 onclose = listeners.onclose;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
222 onmessage = listeners.onmessage;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
223 onerror = listeners.onerror;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
224 }, websocket_metatable);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
225
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
226 local http_url = url:gsub("^(ws)", "http");
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
227 local http_req = http.request(http_url, {
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
228 method = "GET";
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
229 headers = headers;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
230 sslctx = ex.sslctx;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
231 }, function(b, c, r, http_req)
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
232 if c ~= 101
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
233 or r.headers["connection"]:lower() ~= "upgrade"
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
234 or r.headers["upgrade"] ~= "websocket"
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
235 or r.headers["sec-websocket-accept"] ~= base64.encode(sha1(key .. "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"))
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
236 -- TODO: check "Sec-WebSocket-Protocol"
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
237 then
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
238 s.readyState = 3;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
239 log("warn", "WebSocket connection to %s failed: %s", url, tostring(b));
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
240 if s.onerror then s:onerror("connecting-failed"); end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
241 return
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
242 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
243
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
244 s.protocol = r.headers["sec-websocket-protocol"];
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
245
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
246 -- Take possession of socket from http
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
247 http_req.conn = nil;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
248 local handler = http_req.handler;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
249 s.handler = handler;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
250 websockets[handler] = s;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
251 handler:setlistener(websocket_listeners);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
252
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
253 log("debug", "WebSocket connected successfully to %s", url);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
254 s.readyState = 1;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
255 if s.onopen then s:onopen(); end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
256 websocket_listeners.onincoming(handler, b);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
257 end);
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
258
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
259 return s;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
260 end
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
261
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
262 return {
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
263 connect = connect;
8eccd07b619c net/websocket: Add new websocket client code
daurnimator <quae@daurnimator.com>
parents:
diff changeset
264 };