author | Matthew Wild <mwild1@gmail.com> |
Mon, 12 Feb 2024 16:31:25 +0000 | |
changeset 5842 | 1ae8f7b3787a |
parent 5837 | 58df53eefa28 |
permissions | -rw-r--r-- |
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mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents:
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local bit = require "util.bitcompat"; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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local stream_mt = {}; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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stream_mt.__index = stream_mt; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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|
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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function stream_mt:read_bytes(n_bytes) |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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module:log("debug", "Reading %d bytes... (buffer: %d)", n_bytes, #self.buffer); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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local data = self.buffer; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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if not data then |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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module:log("debug", "No data, pausing."); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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data = coroutine.yield(); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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module:log("debug", "Have %d bytes of data now (want %d)", #data, n_bytes); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
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end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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if #data >= n_bytes then |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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data, self.buffer = data:sub(1, n_bytes), data:sub(n_bytes+1); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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elseif #data < n_bytes then |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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module:log("debug", "Not enough data (only %d bytes out of %d), pausing.", #data, n_bytes); |
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self.buffer = data..coroutine.yield(); |
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module:log("debug", "Now we have %d bytes, reading...", #data); |
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return self:read_bytes(n_bytes); |
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end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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module:log("debug", "Returning %d bytes (buffer: %d)", #data, #self.buffer); |
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return data; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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function stream_mt:read_string() |
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local len1, len2 = self:read_bytes(2):byte(1,2); |
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local len = bit.lshift(len1, 8) + len2; |
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return self:read_bytes(len), len+2; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
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function stream_mt:read_word() |
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local len1, len2 = self:read_bytes(2):byte(1,2); |
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local result = bit.lshift(len1, 8) + len2; |
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mod_pubsub_mqtt: Update to MQTT 3.1.1
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module:log("debug", "read_word(%02x, %02x) = %04x (%d)", len1, len2, result, result); |
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return result; |
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mod_pubsub_mqtt: Update to MQTT 3.1.1
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parents:
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end |
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mod_pubsub_mqtt: Update to MQTT 3.1.1
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parents:
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58df53eefa28
mod_pubsub_mqtt: Update to MQTT 3.1.1
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local function hasbit(byte, n_bit) |
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return bit.band(byte, 2^n_bit) ~= 0; |
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end |
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parents:
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local function encode_string(str) |
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return string.char(bit.band(#str, 0xff00), bit.band(#str, 0x00ff))..str; |
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end |
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local packet_type_codes = { |
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"connect", "connack", |
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"publish", "puback", "pubrec", "pubrel", "pubcomp", |
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"subscribe", "suback", "unsubscribe", "unsuback", |
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"pingreq", "pingresp", |
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"disconnect" |
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}; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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function stream_mt:read_packet() |
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local packet = {}; |
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local header = self:read_bytes(1):byte(); |
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packet.type = packet_type_codes[bit.rshift(bit.band(header, 0xf0), 4)]; |
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packet.dup = bit.band(header, 0x08) == 0x08; |
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packet.qos = bit.rshift(bit.band(header, 0x06), 1); |
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packet.retain = bit.band(header, 0x01) == 0x01; |
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|
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-- Get length |
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local length, multiplier = 0, 1; |
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repeat |
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local digit = self:read_bytes(1):byte(); |
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length = length + bit.band(digit, 0x7f)*multiplier; |
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multiplier = multiplier*128; |
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until bit.band(digit, 0x80) == 0; |
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packet.length = length; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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if packet.type == "connect" then |
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if self:read_string() ~= "MQTT" then |
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module:log("warn", "Unexpected packet signature!"); |
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packet.type = nil; -- Invalid packet |
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parents:
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else |
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76 |
packet.version = self:read_bytes(1):byte(); |
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module:log("debug", "ver: %02x", packet.version); |
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if packet.version ~= 0x04 then |
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module:log("warn", "MQTT version mismatch (got %02x, we support %02x", packet.version, 0x04); |
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80 |
end |
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81 |
local flags = self:read_bytes(1):byte(); |
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module:log("debug", "flags: %02x", flags); |
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packet.keepalive_timer = self:read_bytes(2):byte(); |
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module:log("debug", "keepalive: %d", packet.keepalive_timer); |
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packet.connect_flags = {}; |
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length = length - 11; |
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packet.connect_flags = { |
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clean_session = hasbit(flags, 1); |
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will = hasbit(flags, 2); |
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will_qos = bit.band(bit.rshift(flags, 2), 0x02); |
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will_retain = hasbit(flags, 5); |
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user_name = hasbit(flags, 7); |
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password = hasbit(flags, 6); |
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94 |
}; |
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module:log("debug", "%s", require "util.serialization".serialize(packet.connect_flags, "debug")); |
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module:log("debug", "Reading client_id..."); |
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97 |
packet.client_id = self:read_string(); |
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if packet.connect_flags.will then |
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module:log("debug", "Reading will..."); |
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100 |
packet.will = { |
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|
101 |
topic = self:read_string(); |
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|
102 |
message = self:read_string(); |
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parents:
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diff
changeset
|
103 |
qos = packet.connect_flags.will_qos; |
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diff
changeset
|
104 |
retain = packet.connect_flags.will_retain; |
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diff
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|
105 |
}; |
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|
106 |
end |
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parents:
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changeset
|
107 |
if packet.connect_flags.user_name then |
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parents:
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diff
changeset
|
108 |
module:log("debug", "Reading username..."); |
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parents:
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diff
changeset
|
109 |
packet.username = self:read_string(); |
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|
110 |
end |
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parents:
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changeset
|
111 |
if packet.connect_flags.password then |
58df53eefa28
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parents:
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diff
changeset
|
112 |
module:log("debug", "Reading password..."); |
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parents:
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diff
changeset
|
113 |
packet.password = self:read_string(); |
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mod_pubsub_mqtt: Update to MQTT 3.1.1
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changeset
|
114 |
end |
58df53eefa28
mod_pubsub_mqtt: Update to MQTT 3.1.1
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parents:
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changeset
|
115 |
module:log("debug", "Done parsing connect!"); |
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changeset
|
116 |
length = 0; -- No payload left |
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|
117 |
end |
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diff
changeset
|
118 |
elseif packet.type == "publish" then |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
119 |
packet.topic = self:read_string(); |
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parents:
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changeset
|
120 |
length = length - (#packet.topic+2); |
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parents:
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changeset
|
121 |
if packet.qos == 1 or packet.qos == 2 then |
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parents:
diff
changeset
|
122 |
packet.id = self:read_bytes(2); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
123 |
length = length - 2; |
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parents:
diff
changeset
|
124 |
end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
125 |
elseif packet.type == "subscribe" then |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
126 |
if packet.qos == 1 or packet.qos == 2 then |
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diff
changeset
|
127 |
packet.id = self:read_bytes(2); |
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
128 |
length = length - 2; |
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parents:
diff
changeset
|
129 |
end |
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parents:
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|
130 |
local topics = {}; |
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|
131 |
while length > 0 do |
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parents:
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|
132 |
local topic, len = self:read_string(); |
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|
133 |
table.insert(topics, topic); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
134 |
self:read_bytes(1); -- QoS not used |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
135 |
length = length - (len+1); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
136 |
end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
137 |
packet.topics = topics; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
138 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
139 |
if length > 0 then |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
140 |
packet.data = self:read_bytes(length); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
141 |
end |
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changeset
|
142 |
module:log("debug", "MQTT packet complete!"); |
1240
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diff
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|
143 |
return packet; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
144 |
end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
145 |
|
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
146 |
local function new_parser(self) |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
147 |
return coroutine.wrap(function (data) |
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
148 |
self.buffer = data; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
149 |
while true do |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
150 |
data = coroutine.yield(self:read_packet()); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
151 |
module:log("debug", "Parser: %d new bytes", #data); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
152 |
self.buffer = (self.buffer or "")..data; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
153 |
end |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
154 |
end); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
155 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
156 |
|
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
157 |
function stream_mt:feed(data) |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
158 |
local packets = {}; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
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parents:
diff
changeset
|
159 |
local packet = self.parser(data); |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
160 |
while packet do |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
161 |
module:log("debug", "Received packet"); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
162 |
table.insert(packets, packet); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
163 |
packet = self.parser(""); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
164 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
165 |
module:log("debug", "Returning %d packets", #packets); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
166 |
return packets; |
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mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
167 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
168 |
|
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
169 |
local function new_stream() |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
170 |
local stream = setmetatable({}, stream_mt); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
171 |
stream.parser = new_parser(stream); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
172 |
return stream; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
173 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
174 |
|
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
175 |
local function serialize_packet(packet) |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
176 |
local type_num = 0; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
177 |
for i, v in ipairs(packet_type_codes) do -- FIXME: I'm so tired right now. |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
178 |
if v == packet.type then |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
179 |
type_num = i; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
180 |
break; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
181 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
182 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
183 |
local header = string.char(bit.lshift(type_num, 4)); |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1240
diff
changeset
|
184 |
|
1240
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
185 |
if packet.type == "publish" then |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
186 |
local topic = packet.topic or ""; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
187 |
packet.data = string.char(bit.band(#topic, 0xff00), bit.band(#topic, 0x00ff))..topic..packet.data; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
188 |
elseif packet.type == "suback" then |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
189 |
local t = {}; |
5837
58df53eefa28
mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents:
5118
diff
changeset
|
190 |
for i, result_code in ipairs(packet.results) do |
58df53eefa28
mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents:
5118
diff
changeset
|
191 |
table.insert(t, string.char(result_code)); |
1240
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
192 |
end |
5837
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mod_pubsub_mqtt: Update to MQTT 3.1.1
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parents:
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diff
changeset
|
193 |
packet.data = packet.id..table.concat(t); |
1240
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
194 |
end |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1240
diff
changeset
|
195 |
|
1240
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
196 |
-- Get length |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
197 |
local length = #(packet.data or ""); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
198 |
repeat |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
199 |
local digit = length%128; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
200 |
length = math.floor(length/128); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
201 |
if length > 0 then |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
202 |
digit = bit.bor(digit, 0x80); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
203 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
204 |
header = header..string.char(digit); -- FIXME: ... |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
205 |
until length <= 0; |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1240
diff
changeset
|
206 |
|
1240
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
207 |
return header..(packet.data or ""); |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
208 |
end |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
209 |
|
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
210 |
return { |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
211 |
new_stream = new_stream; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
212 |
serialize_packet = serialize_packet; |
e0d97eb52ab8
mod_pubsub_mqtt: MQTT (a lightweight binary pubsub protocol) interface for mod_pubsub
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
213 |
}; |