Thu, 04 Nov 2010 20:12:42 +0500
componentmanager: Removed unused function set_component_handler.
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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1 | |
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util.httpstream: Initial commit of the new HTTP parser.
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2 | local coroutine = coroutine; |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
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3 | local tonumber = tonumber; |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
parents:
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4 | |
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util.httpstream: Initial commit of the new HTTP parser.
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5 | local deadroutine = coroutine.create(function() end); |
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util.httpstream: Initial commit of the new HTTP parser.
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6 | coroutine.resume(deadroutine); |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
parents:
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7 | |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
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8 | module("httpstream") |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
parents:
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9 | |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
parents:
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10 | local function parser(data, success_cb) |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
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11 | local function readline() |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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12 | local pos = data:find("\r\n", nil, true); |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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13 | while not pos do |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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14 | data = data..coroutine.yield(); |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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15 | pos = data:find("\r\n", nil, true); |
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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16 | end |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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17 | local r = data:sub(1, pos-1); |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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18 | data = data:sub(pos+2); |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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19 | return r; |
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20 | end |
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21 | local function readlength(n) |
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22 | while #data < n do |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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23 | data = data..coroutine.yield(); |
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util.httpstream: Initial commit of the new HTTP parser.
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24 | end |
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util.httpstream: Initial commit of the new HTTP parser.
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25 | local r = data:sub(1, n); |
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util.httpstream: Initial commit of the new HTTP parser.
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26 | data = data:sub(n + 1); |
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27 | return r; |
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28 | end |
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29 | |
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util.httpstream: Initial commit of the new HTTP parser.
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30 | while true do |
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31 | -- read status line |
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util.httpstream: Initial commit of the new HTTP parser.
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32 | local status_line = readline(); |
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33 | local method, path, httpversion = status_line:match("^(%S+)%s+(%S+)%s+HTTP/(%S+)$"); |
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34 | if not method then coroutine.yield("invalid-status-line"); end |
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util.httpstream: Initial commit of the new HTTP parser.
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35 | -- TODO parse url |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
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36 | |
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37 | local headers = {}; -- read headers |
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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38 | while true do |
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util.httpstream: Initial commit of the new HTTP parser.
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39 | local line = readline(); |
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util.httpstream: Initial commit of the new HTTP parser.
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40 | if line == "" then break; end -- headers done |
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util.httpstream: Initial commit of the new HTTP parser.
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41 | local key, val = line:match("^([^%s:]+): *(.*)$"); |
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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42 | if not key then coroutine.yield("invalid-header-line"); end -- TODO handle multi-line and invalid headers |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
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43 | key = key:lower(); |
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util.httpstream: Initial commit of the new HTTP parser.
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44 | headers[key] = headers[key] and headers[key]..","..val or val; |
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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45 | end |
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Waqas Hussain <waqas20@gmail.com>
parents:
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46 | |
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47 | -- read body |
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util.httpstream: Initial commit of the new HTTP parser.
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48 | local len = tonumber(headers["content-length"]); |
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49 | len = len or 0; -- TODO check for invalid len |
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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50 | local body = readlength(len); |
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util.httpstream: Initial commit of the new HTTP parser.
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parents:
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51 | |
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parents:
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52 | success_cb({ |
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parents:
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53 | method = method; |
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54 | path = path; |
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util.httpstream: Initial commit of the new HTTP parser.
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55 | httpversion = httpversion; |
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util.httpstream: Initial commit of the new HTTP parser.
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56 | headers = headers; |
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57 | body = body; |
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58 | }); |
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59 | end |
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util.httpstream: Initial commit of the new HTTP parser.
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60 | end |
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61 | |
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62 | function new(success_cb, error_cb) |
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63 | local co = coroutine.create(parser); |
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64 | return { |
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65 | feed = function(self, data) |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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66 | if not data then |
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Waqas Hussain <waqas20@gmail.com>
parents:
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67 | co = deadroutine; |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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68 | return error_cb(); |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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69 | end |
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70 | local success, result = coroutine.resume(co, data, success_cb); |
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util.httpstream: Initial commit of the new HTTP parser.
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71 | if result then |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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72 | co = deadroutine; |
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util.httpstream: Refactored and simplified code to improve readability.
Waqas Hussain <waqas20@gmail.com>
parents:
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73 | return error_cb(result); |
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util.httpstream: Initial commit of the new HTTP parser.
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74 | end |
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75 | end; |
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76 | }; |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
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77 | end |
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util.httpstream: Initial commit of the new HTTP parser.
Waqas Hussain <waqas20@gmail.com>
parents:
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78 | |
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util.httpstream: Initial commit of the new HTTP parser.
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79 | return _M; |