prosody
27b62234792a
net/connect.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

net/connect.lua @ 9662:27b62234792a

Merge 0.11->trunk
author Kim Alvefur <zash@zash.se>
date Fri, 30 Nov 2018 16:03:09 +0100
parent 9387:33e52f727f0f
child 10112:b327f2870382
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8531
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local server = require "net.server";
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local log = require "util.logger".init("net.connect");
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local new_id = require "util.id".short;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 local pending_connection_methods = {};
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local pending_connection_mt = {
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 __name = "pending_connection";
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 __index = pending_connection_methods;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 __tostring = function (p)
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 return "<pending connection "..p.id.." to "..tostring(p.target_resolver.hostname)..">";
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 end;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 };
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 function pending_connection_methods:log(level, message, ...)
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 log(level, "[pending connection %s] "..message, self.id, ...);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 -- pending_connections_map[conn] = pending_connection
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 local pending_connections_map = {};
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 local pending_connection_listeners = {};
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 local function attempt_connection(p)
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 p:log("debug", "Checking for targets...");
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 if p.conn then
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 pending_connections_map[p.conn] = nil;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 p.conn = nil;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 p.target_resolver:next(function (conn_type, ip, port, extra)
8547
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
30 if not conn_type then
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
31 -- No more targets to try
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
32 p:log("debug", "No more connection targets to try");
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
33 if p.listeners.onfail then
8549
69e942c2990f net.connect: Improve error message
Matthew Wild <mwild1@gmail.com>
parents: 8548
diff changeset
34 p.listeners.onfail(p.data, p.last_error or "unable to resolve service");
8547
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
35 end
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
36 return;
5e9c87376891 net.connect: Handle case when resolver runs out of targets
Matthew Wild <mwild1@gmail.com>
parents: 8546
diff changeset
37 end
8531
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 p:log("debug", "Next target to try is %s:%d", ip, port);
8548
162f75ac2693 net.connect: Handle immediate failures of server.addclient
Matthew Wild <mwild1@gmail.com>
parents: 8547
diff changeset
39 local conn, err = server.addclient(ip, port, pending_connection_listeners, p.options.pattern or "*a", p.options.sslctx, conn_type, extra);
162f75ac2693 net.connect: Handle immediate failures of server.addclient
Matthew Wild <mwild1@gmail.com>
parents: 8547
diff changeset
40 if not conn then
162f75ac2693 net.connect: Handle immediate failures of server.addclient
Matthew Wild <mwild1@gmail.com>
parents: 8547
diff changeset
41 log("debug", "Connection attempt failed immediately: %s", tostring(err));
162f75ac2693 net.connect: Handle immediate failures of server.addclient
Matthew Wild <mwild1@gmail.com>
parents: 8547
diff changeset
42 p.last_error = err or "unknown reason";
162f75ac2693 net.connect: Handle immediate failures of server.addclient
Matthew Wild <mwild1@gmail.com>
parents: 8547
diff changeset
43 return attempt_connection(p);
162f75ac2693 net.connect: Handle immediate failures of server.addclient
Matthew Wild <mwild1@gmail.com>
parents: 8547
diff changeset
44 end
8531
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 p.conn = conn;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 pending_connections_map[conn] = p;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 end);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 function pending_connection_listeners.onconnect(conn)
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 local p = pending_connections_map[conn];
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 if not p then
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 log("warn", "Successful connection, but unexpected! Closing.");
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 conn:close();
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 return;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 pending_connections_map[conn] = nil;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 p:log("debug", "Successfully connected");
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9386
diff changeset
59 conn:setlistener(p.listeners, p.data);
8531
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 return p.listeners.onconnect(conn);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 function pending_connection_listeners.ondisconnect(conn, reason)
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 local p = pending_connections_map[conn];
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 if not p then
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 log("warn", "Failed connection, but unexpected!");
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 return;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 end
8546
d66916dc318a net.connect: Track last connection error
Matthew Wild <mwild1@gmail.com>
parents: 8536
diff changeset
69 p.last_error = reason or "unknown reason";
d66916dc318a net.connect: Track last connection error
Matthew Wild <mwild1@gmail.com>
parents: 8536
diff changeset
70 p:log("debug", "Connection attempt failed: %s", p.last_error);
8531
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 attempt_connection(p);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 local function connect(target_resolver, listeners, options, data)
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 local p = setmetatable({
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 id = new_id();
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 target_resolver = target_resolver;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 listeners = assert(listeners);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 options = options or {};
8550
f841d359da65 net.connect: Fix to store correct parameter
Matthew Wild <mwild1@gmail.com>
parents: 8549
diff changeset
80 data = data;
8531
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 }, pending_connection_mt);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 p:log("debug", "Starting connection process");
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 attempt_connection(p);
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 end
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 return {
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 connect = connect;
601681acea73 net.connect: New API for outgoing connections, based on 'service resolvers'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 };