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-rw-r--r--net/server_select.lua39
1 files changed, 37 insertions, 2 deletions
diff --git a/net/server_select.lua b/net/server_select.lua
index 94461f45..8a4d917d 100644
--- a/net/server_select.lua
+++ b/net/server_select.lua
@@ -252,6 +252,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
local dispatch = listeners.onincoming
local status = listeners.onstatus
local disconnect = listeners.ondisconnect
+ local drain = listeners.ondrain
local bufferqueue = { } -- buffer array
local bufferqueuelen = 0 -- end of buffer array
@@ -284,6 +285,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
dispatch = listeners.onincoming
disconnect = listeners.ondisconnect
status = listeners.onstatus
+ drain = listeners.ondrain
end
handler.getstats = function( )
return readtraffic, sendtraffic
@@ -379,7 +381,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
handler.socket = function( self )
return socket
end
- handler.pattern = function( self, new )
+ handler.set_mode = function( self, new )
pattern = new or pattern
return pattern
end
@@ -392,6 +394,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
maxreadlen = readlen or maxreadlen
return bufferlen, maxreadlen, maxsendlen
end
+ --TODO: Deprecate
handler.lock_read = function (self, switch)
if switch == true then
local tmp = _readlistlen
@@ -409,6 +412,12 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
end
return noread
end
+ handler.pause = function (self)
+ return self:lock_read(true);
+ end
+ handler.resume = function (self)
+ return self:lock_read(false);
+ end
handler.lock = function( self, switch )
handler.lock_read (switch)
if switch == true then
@@ -430,7 +439,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
end
local _readbuffer = function( ) -- this function reads data
local buffer, err, part = receive( socket, pattern ) -- receive buffer with "pattern"
- if not err or (err == "wantread" or err == "timeout") or (part and string_len(part) > 0) then -- received something
+ if not err or (err == "wantread" or err == "timeout") then -- received something
local buffer = buffer or part or ""
local len = string_len( buffer )
if len > maxreadlen then
@@ -472,6 +481,9 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
_sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) -- delete socket from writelist
_ = needtls and handler:starttls(nil, true)
_writetimes[ handler ] = nil
+ if drain then
+ drain(handler)
+ end
_ = toclose and handler:close( )
return true
elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
@@ -666,6 +678,28 @@ closesocket = function( socket )
--mem_free( )
end
+local function link(sender, receiver, buffersize)
+ sender:set_mode(buffersize);
+ local sender_locked;
+ local _sendbuffer = receiver.sendbuffer;
+ function receiver.sendbuffer()
+ _sendbuffer();
+ if sender_locked and receiver.bufferlen() < buffersize 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() >= buffersize then
+ sender_locked = true;
+ sender:lock_read(true);
+ end
+ end
+end
+
----------------------------------// PUBLIC //--
addserver = function( addr, port, listeners, pattern, sslctx ) -- this function provides a way for other scripts to reg a server
@@ -889,6 +923,7 @@ return {
wrapclient = wrapclient,
loop = loop,
+ link = link,
stats = stats,
closeall = closeall,
addtimer = addtimer,