prosody
9434a220e549
net/http/server.lua

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net/http/server.lua @ 7284:9434a220e549

mod_c2s: Remove use of util.async
author Kim Alvefur <zash@zash.se>
date Thu, 17 Mar 2016 12:47:24 +0100
parent 7084:fdbe9ccac17d
child 7489:d32406f27efd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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1
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2 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
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3 local parser_new = require "net.http.parser".new;
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4 local events = require "util.events".new();
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5 local addserver = require "net.server".addserver;
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6 local log = require "util.logger".init("http.server");
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7 local os_date = os.date;
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8 local pairs = pairs;
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9 local s_upper = string.upper;
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10 local setmetatable = setmetatable;
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11 local xpcall = xpcall;
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12 local traceback = debug.traceback;
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13 local tostring = tostring;
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14 local cache = require "util.cache";
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15 local codes = require "net.http.codes";
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16
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17 local _M = {};
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18
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19 local sessions = {};
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20 local listener = {};
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21 local hosts = {};
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22 local default_host;
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23
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24 local function is_wildcard_event(event)
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25 return event:sub(-2, -1) == "/*";
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26 end
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27 local function is_wildcard_match(wildcard_event, event)
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28 return wildcard_event:sub(1, -2) == event:sub(1, #wildcard_event-1);
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29 end
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30
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31 local _handlers = events._handlers;
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32 local recent_wildcard_events = cache.new(10000, function (key, value)
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33 rawset(_handlers, key, nil);
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34 end);
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35
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36 local event_map = events._event_map;
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37 setmetatable(events._handlers, {
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38 -- Called when firing an event that doesn't exist (but may match a wildcard handler)
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39 __index = function (handlers, curr_event)
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40 if is_wildcard_event(curr_event) then return; end -- Wildcard events cannot be fired
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41 -- Find all handlers that could match this event, sort them
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42 -- and then put the array into handlers[curr_event] (and return it)
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43 local matching_handlers_set = {};
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44 local handlers_array = {};
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45 for event, handlers_set in pairs(event_map) do
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46 if event == curr_event or
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47 is_wildcard_event(event) and is_wildcard_match(event, curr_event) then
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48 for handler, priority in pairs(handlers_set) do
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49 matching_handlers_set[handler] = { (select(2, event:gsub("/", "%1"))), is_wildcard_event(event) and 0 or 1, priority };
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50 table.insert(handlers_array, handler);
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51 end
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52 end
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53 end
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54 if #handlers_array > 0 then
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55 table.sort(handlers_array, function(b, a)
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56 local a_score, b_score = matching_handlers_set[a], matching_handlers_set[b];
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57 for i = 1, #a_score do
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58 if a_score[i] ~= b_score[i] then -- If equal, compare next score value
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59 return a_score[i] < b_score[i];
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60 end
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61 end
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62 return false;
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63 end);
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64 else
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65 handlers_array = false;
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66 end
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67 rawset(handlers, curr_event, handlers_array);
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68 if not event_map[curr_event] then -- Only wildcard handlers match, if any
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69 recent_wildcard_events:set(curr_event, true);
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70 end
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71 return handlers_array;
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72 end;
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73 __newindex = function (handlers, curr_event, handlers_array)
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74 if handlers_array == nil
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75 and is_wildcard_event(curr_event) then
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76 -- Invalidate the indexes of all matching events
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77 for event in pairs(handlers) do
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78 if is_wildcard_match(curr_event, event) then
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79 handlers[event] = nil;
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80 end
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81 end
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82 end
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83 rawset(handlers, curr_event, handlers_array);
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84 end;
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85 });
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86
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87 local handle_request;
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88 local _1, _2, _3;
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89 local function _handle_request() return handle_request(_1, _2, _3); end
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90
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91 local last_err;
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92 local function _traceback_handler(err) last_err = err; log("error", "Traceback[httpserver]: %s", traceback(tostring(err), 2)); end
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93 events.add_handler("http-error", function (error)
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94 return "Error processing request: "..codes[error.code]..". Check your error log for more information.";
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95 end, -1);
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96
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97 function listener.onconnect(conn)
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98 local secure = conn:ssl() and true or nil;
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99 local pending = {};
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100 local waiting = false;
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101 local function process_next()
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102 if waiting then return; end -- log("debug", "can't process_next, waiting");
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103 waiting = true;
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104 while sessions[conn] and #pending > 0 do
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105 local request = t_remove(pending);
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106 --log("debug", "process_next: %s", request.path);
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107 --handle_request(conn, request, process_next);
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108 _1, _2, _3 = conn, request, process_next;
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109 if not xpcall(_handle_request, _traceback_handler) then
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110 conn:write("HTTP/1.0 500 Internal Server Error\r\n\r\n"..events.fire_event("http-error", { code = 500, private_message = last_err }));
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111 conn:close();
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112 end
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113 end
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114 --log("debug", "ready for more");
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115 waiting = false;
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116 end
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117 local function success_cb(request)
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118 --log("debug", "success_cb: %s", request.path);
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119 if waiting then
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Waqas Hussain <waqas20@gmail.com>
parents: 5300
diff changeset
120 log("error", "http connection handler is not reentrant: %s", request.path);
760c345dc7a1 net.http.server: Ensure HTTP callbacks are never called recursively for pipelined requests.
Waqas Hussain <waqas20@gmail.com>
parents: 5300
diff changeset
121 assert(false, "http connection handler is not reentrant");
760c345dc7a1 net.http.server: Ensure HTTP callbacks are never called recursively for pipelined requests.
Waqas Hussain <waqas20@gmail.com>
parents: 5300
diff changeset
122 end
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
123 request.secure = secure;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
124 t_insert(pending, request);
5333
760c345dc7a1 net.http.server: Ensure HTTP callbacks are never called recursively for pipelined requests.
Waqas Hussain <waqas20@gmail.com>
parents: 5300
diff changeset
125 process_next();
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
126 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
127 local function error_cb(err)
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
128 log("debug", "error_cb: %s", err or "<nil>");
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
129 -- FIXME don't close immediately, wait until we process current stuff
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
130 -- FIXME if err, send off a bad-request response
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
131 sessions[conn] = nil;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
132 conn:close();
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
133 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
134 sessions[conn] = parser_new(success_cb, error_cb);
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
135 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
136
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
137 function listener.ondisconnect(conn)
4691
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
138 local open_response = conn._http_open_response;
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
139 if open_response and open_response.on_destroy then
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
140 open_response.finished = true;
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
141 open_response:on_destroy();
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
142 end
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
143 sessions[conn] = nil;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
144 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
145
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4220ffb87b22 net.http, net.http.server, mod_c2s, mod_s2s, mod_component, mod_admin_telnet, mod_net_multiplex: Add ondetach to release connection from 'sessions' table (or equivalent)
Matthew Wild <mwild1@gmail.com>
parents: 6360
diff changeset
146 function listener.ondetach(conn)
4220ffb87b22 net.http, net.http.server, mod_c2s, mod_s2s, mod_component, mod_admin_telnet, mod_net_multiplex: Add ondetach to release connection from 'sessions' table (or equivalent)
Matthew Wild <mwild1@gmail.com>
parents: 6360
diff changeset
147 sessions[conn] = nil;
4220ffb87b22 net.http, net.http.server, mod_c2s, mod_s2s, mod_component, mod_admin_telnet, mod_net_multiplex: Add ondetach to release connection from 'sessions' table (or equivalent)
Matthew Wild <mwild1@gmail.com>
parents: 6360
diff changeset
148 end
4220ffb87b22 net.http, net.http.server, mod_c2s, mod_s2s, mod_component, mod_admin_telnet, mod_net_multiplex: Add ondetach to release connection from 'sessions' table (or equivalent)
Matthew Wild <mwild1@gmail.com>
parents: 6360
diff changeset
149
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
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diff changeset
150 function listener.onincoming(conn, data)
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
151 sessions[conn]:feed(data);
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
152 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
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153
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
154 local headerfix = setmetatable({}, {
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
155 __index = function(t, k)
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
156 local v = "\r\n"..k:gsub("_", "-"):gsub("%f[%w].", s_upper)..": ";
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
157 t[k] = v;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
158 return v;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
159 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
160 });
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
161
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
162 function _M.hijack_response(response, listener)
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
163 error("TODO");
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
164 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
165 function handle_request(conn, request, finish_cb)
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
166 --log("debug", "handler: %s", request.path);
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
167 local headers = {};
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
168 for k,v in pairs(request.headers) do headers[k:gsub("-", "_")] = v; end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
169 request.headers = headers;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
170 request.conn = conn;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
171
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
172 local date_header = os_date('!%a, %d %b %Y %H:%M:%S GMT'); -- FIXME use
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
173 local conn_header = request.headers.connection;
5300
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
174 conn_header = conn_header and ","..conn_header:gsub("[ \t]", ""):lower().."," or ""
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
175 local httpversion = request.httpversion
5754
dee0f05ccf70 net.http.server: Fix Keep-Alive requests with HTTP 1.0
Kim Alvefur <zash@zash.se>
parents: 5505
diff changeset
176 local persistent = conn_header:find(",keep-alive,", 1, true)
5300
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
177 or (httpversion == "1.1" and not conn_header:find(",close,", 1, true));
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
178
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
179 local response_conn_header;
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
180 if persistent then
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
181 response_conn_header = "Keep-Alive";
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
182 else
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
183 response_conn_header = httpversion == "1.1" and "close" or nil
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
184 end
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
185
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
186 local response = {
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
187 request = request;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
188 status_code = 200;
5300
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
189 headers = { date = date_header, connection = response_conn_header };
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
190 persistent = persistent;
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
191 conn = conn;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
192 send = _M.send_response;
6071
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
193 done = _M.finish_response;
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
194 finish_cb = finish_cb;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
195 };
4691
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
196 conn._http_open_response = response;
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
197
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
198 local host = (request.headers.host or ""):match("[^:]+");
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
199
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
200 -- Some sanity checking
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
201 local err_code, err;
4740
bd9c8bc8036f net.http.server: Try default_host if client sent no host anywhere, otherwise... fail. It's 2012.
Matthew Wild <mwild1@gmail.com>
parents: 4739
diff changeset
202 if not request.path then
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
203 err_code, err = 400, "Invalid path";
4739
f1d32a0dc057 net.http.server: Fix traceback on missing host header (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 4736
diff changeset
204 elseif not hosts[host] then
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
205 if hosts[default_host] then
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
206 host = default_host;
4740
bd9c8bc8036f net.http.server: Try default_host if client sent no host anywhere, otherwise... fail. It's 2012.
Matthew Wild <mwild1@gmail.com>
parents: 4739
diff changeset
207 elseif host then
bd9c8bc8036f net.http.server: Try default_host if client sent no host anywhere, otherwise... fail. It's 2012.
Matthew Wild <mwild1@gmail.com>
parents: 4739
diff changeset
208 err_code, err = 404, "Unknown host: "..host;
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
209 else
4740
bd9c8bc8036f net.http.server: Try default_host if client sent no host anywhere, otherwise... fail. It's 2012.
Matthew Wild <mwild1@gmail.com>
parents: 4739
diff changeset
210 err_code, err = 400, "Missing or invalid 'Host' header";
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
211 end
4713
9c15fa5192d3 net.http.server: Fire http-error 400 if request fails sanity checks
Matthew Wild <mwild1@gmail.com>
parents: 4710
diff changeset
212 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5754
diff changeset
213
4713
9c15fa5192d3 net.http.server: Fire http-error 400 if request fails sanity checks
Matthew Wild <mwild1@gmail.com>
parents: 4710
diff changeset
214 if err then
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
215 response.status_code = err_code;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
216 response:send(events.fire_event("http-error", { code = err_code, message = err }));
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
217 return;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
218 end
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
219
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
220 local event = request.method.." "..host..request.path:match("[^?]*");
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
221 local payload = { request = request, response = response };
6589
015f2b4e2f9a net.http.server: Log event name when firing a request event
Matthew Wild <mwild1@gmail.com>
parents: 6380
diff changeset
222 log("debug", "Firing event: %s", event);
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
223 local result = events.fire_event(event, payload);
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
224 if result ~= nil then
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
225 if result ~= true then
4788
e14f5a156571 net.http.server: Code cleanup/adjustment now that send_response() accepts response.body
Matthew Wild <mwild1@gmail.com>
parents: 4787
diff changeset
226 local body;
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
227 local result_type = type(result);
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
228 if result_type == "number" then
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
229 response.status_code = result;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
230 if result >= 400 then
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
231 body = events.fire_event("http-error", { code = result });
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
232 end
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
233 elseif result_type == "string" then
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
234 body = result;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
235 elseif result_type == "table" then
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
236 for k, v in pairs(result) do
5404
ae9a47e579d7 net.http.server: Don't overwrite existing response.headers when returning a response object from a HTTP handler (waqas says it's wrong)
Matthew Wild <mwild1@gmail.com>
parents: 5333
diff changeset
237 if k ~= "headers" then
ae9a47e579d7 net.http.server: Don't overwrite existing response.headers when returning a response object from a HTTP handler (waqas says it's wrong)
Matthew Wild <mwild1@gmail.com>
parents: 5333
diff changeset
238 response[k] = v;
ae9a47e579d7 net.http.server: Don't overwrite existing response.headers when returning a response object from a HTTP handler (waqas says it's wrong)
Matthew Wild <mwild1@gmail.com>
parents: 5333
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239 else
ae9a47e579d7 net.http.server: Don't overwrite existing response.headers when returning a response object from a HTTP handler (waqas says it's wrong)
Matthew Wild <mwild1@gmail.com>
parents: 5333
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240 for header_name, header_value in pairs(v) do
ae9a47e579d7 net.http.server: Don't overwrite existing response.headers when returning a response object from a HTTP handler (waqas says it's wrong)
Matthew Wild <mwild1@gmail.com>
parents: 5333
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241 response.headers[header_name] = header_value;
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Matthew Wild <mwild1@gmail.com>
parents: 5333
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242 end
ae9a47e579d7 net.http.server: Don't overwrite existing response.headers when returning a response object from a HTTP handler (waqas says it's wrong)
Matthew Wild <mwild1@gmail.com>
parents: 5333
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243 end
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Matthew Wild <mwild1@gmail.com>
parents: 4735
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244 end
4683
c1374e083c97 net.http.server: Handle results returned by handlers, and send as a response. Also removes explicit firing of '*', which can now be done via wildcard events.
Matthew Wild <mwild1@gmail.com>
parents: 4682
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245 end
4736
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Matthew Wild <mwild1@gmail.com>
parents: 4735
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246 response:send(body);
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parents:
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247 end
4736
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parents: 4735
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248 return;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
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parents: 4735
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249 end
4631
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parents:
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250
4736
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parents: 4735
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251 -- if handler not called, return 404
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parents: 4735
diff changeset
252 response.status_code = 404;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
253 response:send(events.fire_event("http-error", { code = 404 }));
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parents:
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254 end
6071
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
255 local function prepare_header(response)
4631
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256 local status_line = "HTTP/"..response.request.httpversion.." "..(response.status or codes[response.status_code]);
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257 local headers = response.headers;
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258 local output = { status_line };
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259 for k,v in pairs(headers) do
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260 t_insert(output, headerfix[k]..v);
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261 end
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262 t_insert(output, "\r\n\r\n");
6071
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Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
263 return output;
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
264 end
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
265 _M.prepare_header = prepare_header;
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
266 function _M.send_response(response, body)
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
267 if response.finished then return; end
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
268 body = body or response.body or "";
6082
d0e824a21861 net.http.server: Fix some typos introduced in 420c0d3b8583.
Daurnimator <quae@daurnimator.com>
parents: 6071
diff changeset
269 response.headers.content_length = #body;
d0e824a21861 net.http.server: Fix some typos introduced in 420c0d3b8583.
Daurnimator <quae@daurnimator.com>
parents: 6071
diff changeset
270 local output = prepare_header(response);
4631
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271 t_insert(output, body);
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272 response.conn:write(t_concat(output));
6082
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Daurnimator <quae@daurnimator.com>
parents: 6071
diff changeset
273 response:done();
6071
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parents: 5776
diff changeset
274 end
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
275 function _M.finish_response(response)
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
276 if response.finished then return; end
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
277 response.finished = true;
420c0d3b8583 net.http.server: Add prepare_header() and finish_response() to allow sending chunked responses via the API
Daurnimator <quae@daurnimator.com>
parents: 5776
diff changeset
278 response.conn._http_open_response = nil;
4691
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
279 if response.on_destroy then
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
280 response:on_destroy();
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
281 response.on_destroy = nil;
a164fc7057ae net.http.server: Support for on_destroy callback on response objects, and a 'finished' flag to say when they are destroyed (responded to or connection closed)
Matthew Wild <mwild1@gmail.com>
parents: 4689
diff changeset
282 end
5300
fcb1be0b4a5c net.http.server: Properly handle persistent connections
Florian Zeitz <florob@babelmonkeys.de>
parents: 4788
diff changeset
283 if response.persistent then
4631
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parents:
diff changeset
284 response:finish_cb();
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
285 else
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
286 response.conn:close();
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
287 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
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288 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
289 function _M.add_handler(event, handler, priority)
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parents:
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290 events.add_handler(event, handler, priority);
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291 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
292 function _M.remove_handler(event, handler)
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diff changeset
293 events.remove_handler(event, handler);
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
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294 end
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
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295
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
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parents:
diff changeset
296 function _M.listen_on(port, interface, ssl)
7084
fdbe9ccac17d net.http.server: Return from listen_on() whatever net.server.addserver() returns
Kim Alvefur <zash@zash.se>
parents: 6963
diff changeset
297 return addserver(interface or "*", port, listener, "*a", ssl);
4631
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parents:
diff changeset
298 end
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
299 function _M.add_host(host)
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
300 hosts[host] = true;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
301 end
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
302 function _M.remove_host(host)
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
303 hosts[host] = nil;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
304 end
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
305 function _M.set_default_host(host)
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
306 default_host = host;
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4735
diff changeset
307 end
5439
bd7b314c2301 net.http.server: add API to allow firing events directly on the server.
Marco Cirillo <maranda@lightwitch.org>
parents: 5404
diff changeset
308 function _M.fire_event(event, ...)
bd7b314c2301 net.http.server: add API to allow firing events directly on the server.
Marco Cirillo <maranda@lightwitch.org>
parents: 5404
diff changeset
309 return events.fire_event(event, ...);
bd7b314c2301 net.http.server: add API to allow firing events directly on the server.
Marco Cirillo <maranda@lightwitch.org>
parents: 5404
diff changeset
310 end
4631
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
311
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
312 _M.listener = listener;
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
313 _M.codes = codes;
4706
845393c76d17 net.http.server: Expose events object (for debug purposes)
Matthew Wild <mwild1@gmail.com>
parents: 4704
diff changeset
314 _M._events = events;
4631
fc5d3b053454 net.http.{server|codes|parser}: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
315 return _M;