diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/dns.lua | 19 | ||||
| -rw-r--r-- | net/server_event.lua | 101 | ||||
| -rw-r--r-- | net/server_select.lua | 10 |
3 files changed, 70 insertions, 60 deletions
diff --git a/net/dns.lua b/net/dns.lua index 89b50255..bd42db73 100644 --- a/net/dns.lua +++ b/net/dns.lua @@ -14,6 +14,7 @@ local socket = require "socket"; local timer = require "util.timer"; +local new_ip = require "util.ip".new_ip; local _, windows = pcall(require, "util.windows"); local is_windows = (_ and windows) or os.getenv("WINDIR"); @@ -597,11 +598,12 @@ function resolver:adddefaultnameservers() -- - - - - adddefaultnameservers if resolv_conf then for line in resolv_conf:lines() do line = line:gsub("#.*$", "") - :match('^%s*nameserver%s+(.*)%s*$'); + :match('^%s*nameserver%s+([%x:%.]*)%s*$'); if line then - line:gsub("%f[%d.](%d+%.%d+%.%d+%.%d+)%f[^%d.]", function (address) - self:addnameserver(address) - end); + local ip = new_ip(line); + if ip then + self:addnameserver(ip.addr); + end end end end @@ -621,7 +623,12 @@ function resolver:getsocket(servernum) -- - - - - - - - - - - - - getsocket if sock then return sock; end local err; - sock, err = socket.udp(); + local peer = self.server[servernum]; + if peer:find(":") then + sock, err = socket.udp6(); + else + sock, err = socket.udp(); + end if not sock then return nil, err; end @@ -629,7 +636,7 @@ function resolver:getsocket(servernum) -- - - - - - - - - - - - - getsocket sock:settimeout(0); -- todo: attempt to use a random port, fallback to 0 sock:setsockname('*', 0); - sock:setpeername(self.server[servernum], 53); + sock:setpeername(peer, 53); self.socket[servernum] = sock; self.socketset[sock] = servernum; return sock; diff --git a/net/server_event.lua b/net/server_event.lua index 5eae95a9..dc48e338 100644 --- a/net/server_event.lua +++ b/net/server_event.lua @@ -437,10 +437,11 @@ do end function interface_mt:setlistener(listener) - self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout, self.onstatus - = listener.onconnect, listener.ondisconnect, listener.onincoming, listener.ontimeout, listener.onstatus; + self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout, self.onreadtimeout, self.onstatus + = listener.onconnect, listener.ondisconnect, listener.onincoming, + listener.ontimeout, listener.onreadtimeout, listener.onstatus; end - + -- Stub handlers function interface_mt:onconnect() end @@ -450,6 +451,12 @@ do end function interface_mt:ontimeout() end + function interface_mt:onreadtimeout() + self.fatalerror = "timeout during receiving" + debug( "connection failed:", self.fatalerror ) + self:_close() + self.eventread = nil + end function interface_mt:ondrain() end function interface_mt:onstatus() @@ -477,6 +484,7 @@ do ondisconnect = listener.ondisconnect; -- will be called when client disconnects onincoming = listener.onincoming; -- will be called when client sends data ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs + onreadtimeout = listener.onreadtimeout; -- called when socket inactivity timeout occurs onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS) eventread = false, eventwrite = false, eventclose = false, eventhandshake = false, eventstarthandshake = false; -- event handler @@ -574,61 +582,56 @@ do interface.eventread = nil return -1 end - if EV_TIMEOUT == event then -- took too long to get some data from client -> disconnect - interface.fatalerror = "timeout during receiving" - debug( "connection failed:", interface.fatalerror ) + if EV_TIMEOUT == event and interface:onreadtimeout() ~= true then + return -1 -- took too long to get some data from client -> disconnect + end + if interface._usingssl then -- handle luasec + if interface.eventwritetimeout then -- ok, in the past writecallback was regged + local ret = interface.writecallback( ) -- call it + --vdebug( "tried to write in readcallback, result:", tostring(ret) ) + end + if interface.eventreadtimeout then + interface.eventreadtimeout:close( ) + interface.eventreadtimeout = nil + end + end + local buffer, err, part = interface.conn:receive( interface._pattern ) -- receive buffer with "pattern" + --vdebug( "read data:", tostring(buffer), "error:", tostring(err), "part:", tostring(part) ) + buffer = buffer or part + if buffer and #buffer > cfg.MAX_READ_LENGTH then -- check buffer length + interface.fatalerror = "receive buffer exceeded" + debug( "fatal error:", interface.fatalerror ) interface:_close() interface.eventread = nil return -1 - else -- can read - if interface._usingssl then -- handle luasec - if interface.eventwritetimeout then -- ok, in the past writecallback was regged - local ret = interface.writecallback( ) -- call it - --vdebug( "tried to write in readcallback, result:", tostring(ret) ) - end - if interface.eventreadtimeout then - interface.eventreadtimeout:close( ) - interface.eventreadtimeout = nil + end + if err and ( err ~= "timeout" and err ~= "wantread" ) then + if "wantwrite" == err then -- need to read on write event + if not interface.eventwrite then -- register new write event if needed + interface.eventwrite = addevent( base, interface.conn, EV_WRITE, interface.writecallback, cfg.WRITE_TIMEOUT ) end - end - local buffer, err, part = interface.conn:receive( interface._pattern ) -- receive buffer with "pattern" - --vdebug( "read data:", tostring(buffer), "error:", tostring(err), "part:", tostring(part) ) - buffer = buffer or part - if buffer and #buffer > cfg.MAX_READ_LENGTH then -- check buffer length - interface.fatalerror = "receive buffer exceeded" - debug( "fatal error:", interface.fatalerror ) + interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT, + function( ) + interface:_close() + end, cfg.READ_TIMEOUT + ) + debug( "wantwrite during read attempt, reg it in writecallback but dont know what really happens next..." ) + -- to be honest i dont know what happens next, if it is allowed to first read, the write etc... + else -- connection was closed or fatal error + interface.fatalerror = err + debug( "connection failed in read event:", interface.fatalerror ) interface:_close() interface.eventread = nil return -1 end - if err and ( err ~= "timeout" and err ~= "wantread" ) then - if "wantwrite" == err then -- need to read on write event - if not interface.eventwrite then -- register new write event if needed - interface.eventwrite = addevent( base, interface.conn, EV_WRITE, interface.writecallback, cfg.WRITE_TIMEOUT ) - end - interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT, - function( ) - interface:_close() - end, cfg.READ_TIMEOUT - ) - debug( "wantwrite during read attempt, reg it in writecallback but dont know what really happens next..." ) - -- to be honest i dont know what happens next, if it is allowed to first read, the write etc... - else -- connection was closed or fatal error - interface.fatalerror = err - debug( "connection failed in read event:", interface.fatalerror ) - interface:_close() - interface.eventread = nil - return -1 - end - else - interface.onincoming( interface, buffer, err ) -- send new data to listener - end - if interface.noreading then - interface.eventread = nil; - return -1; - end - return EV_READ, cfg.READ_TIMEOUT + else + interface.onincoming( interface, buffer, err ) -- send new data to listener + end + if interface.noreading then + interface.eventread = nil; + return -1; end + return EV_READ, cfg.READ_TIMEOUT end client:settimeout( 0 ) -- set non blocking diff --git a/net/server_select.lua b/net/server_select.lua index d0894715..98e9f847 100644 --- a/net/server_select.lua +++ b/net/server_select.lua @@ -145,7 +145,7 @@ _tcpbacklog = 128 -- some kind of hint to the OS _maxsendlen = 51000 * 1024 -- max len of send buffer _maxreadlen = 25000 * 1024 -- max len of read buffer -_checkinterval = 1200000 -- interval in secs to check idle clients +_checkinterval = 30 -- interval in secs to check idle clients _sendtimeout = 60000 -- allowed send idle time in secs _readtimeout = 6 * 60 * 60 -- allowed read idle time in secs @@ -863,16 +863,16 @@ loop = function(once) -- this is the main loop of the program _starttime = _currenttime for handler, timestamp in pairs( _writetimes ) do if os_difftime( _currenttime - timestamp ) > _sendtimeout then - --_writetimes[ handler ] = nil handler.disconnect( )( handler, "send timeout" ) handler:force_close() -- forced disconnect end end for handler, timestamp in pairs( _readtimes ) do if os_difftime( _currenttime - timestamp ) > _readtimeout then - --_readtimes[ handler ] = nil - handler.disconnect( )( handler, "read timeout" ) - handler:close( ) -- forced disconnect? + if not(handler.onreadtimeout) or handler:onreadtimeout() ~= true then + handler.disconnect( )( handler, "read timeout" ) + handler:close( ) -- forced disconnect? + end end end end |