diff options
Diffstat (limited to 'plugins/mod_proxy65.lua')
| -rw-r--r-- | plugins/mod_proxy65.lua | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/plugins/mod_proxy65.lua b/plugins/mod_proxy65.lua index 504cfc0c..af618c01 100644 --- a/plugins/mod_proxy65.lua +++ b/plugins/mod_proxy65.lua @@ -55,8 +55,12 @@ function connlistener.onincoming(conn, data) if session.setup then if session.sha ~= nil and transfers[session.sha] ~= nil then local sha = session.sha; - if transfers[sha].activated == true and transfers[sha].initiator == conn and transfers[sha].target ~= nil then - transfers[sha].target:write(data); + if transfers[sha].activated == true and transfers[sha].target ~= nil then + if transfers[sha].initiator == conn then + transfers[sha].target:write(data); + else + transfers[sha].initiator:write(data); + end return; end end @@ -67,7 +71,7 @@ function connlistener.onincoming(conn, data) data:sub(4):byte() == 0x03 and -- ATYP must be 3 data:sub(5):byte() == 40 and -- SHA1 HASH length must be 40 (0x28) data:sub(-2):byte() == 0x00 and -- PORT must be 0, size 2 byte - data:sub(-1):byte() == 0x00 + data:sub(-1):byte() == 0x00 then local sha = data:sub(6, 45); -- second param is not count! it's the ending index (included!) if transfers[sha] == nil then @@ -80,10 +84,13 @@ function connlistener.onincoming(conn, data) transfers[sha].initiator = conn; session.sha = sha; module:log("debug", "initiator connected ... "); + throttle_sending(conn, transfers[sha].target); + throttle_sending(transfers[sha].target, conn); end conn:write(string.char(5, 0, 0, 3, sha:len()) .. sha .. string.char(0, 0)); -- VER, REP, RSV, ATYP, BND.ADDR (sha), BND.PORT (2 Byte) + conn:lock_read(true) else - log:module("warn", "Neither data transfer nor initial connect of a participator of a transfer.") + module:log("warn", "Neither data transfer nor initial connect of a participator of a transfer.") conn.close(); end else @@ -237,6 +244,8 @@ function handle_to_domain(origin, stanza) elseif(transfers[sha] ~= nil and transfers[sha].initiator ~= nil and transfers[sha].target ~= nil) then origin.send(reply); transfers[sha].activated = true; + transfers[sha].target:lock_read(false); + transfers[sha].initiator:lock_read(false); end else module:log("error", "activation failed: sid: %s, initiator: %s, target: %s", tostring(sid), tostring(from), tostring(to)); @@ -247,9 +256,31 @@ function handle_to_domain(origin, stanza) end if not connlisteners.register(module.host .. ':proxy65', connlistener) then - error("mod_proxy65: Could not establish a connection listener. Check your configuration please."); - error(" one possible cause for this would be that two proxy65 components share the same port."); + module:log("error", "mod_proxy65: Could not establish a connection listener. Check your configuration please."); + module:log("error", "Possibly two proxy65 components are configured to share the same port."); end connlisteners.start(module.host .. ':proxy65'); component = componentmanager.register_component(host, handle_to_domain); +local sender_lock_threshold = 4096; +function throttle_sending(sender, receiver) + sender:pattern(sender_lock_threshold); + local sender_locked; + local _sendbuffer = receiver.sendbuffer; + function receiver.sendbuffer() + _sendbuffer(); + if sender_locked and receiver.bufferlen() < sender_lock_threshold then + sender:lock_read(false); -- Unlock now + sender_locked = nil; + end + end + + local _readbuffer = sender.readbuffer; + function sender.readbuffer() + _readbuffer(); + if not sender_locked and receiver.bufferlen() >= sender_lock_threshold then + sender_locked = true; + sender:lock_read(true); + end + end +end |