diff options
Diffstat (limited to 'net/server_event.lua')
| -rw-r--r-- | net/server_event.lua | 78 |
1 files changed, 34 insertions, 44 deletions
diff --git a/net/server_event.lua b/net/server_event.lua index 756e9837..480d876d 100644 --- a/net/server_event.lua +++ b/net/server_event.lua @@ -44,8 +44,9 @@ local setmetatable = use "setmetatable" local t_insert = table.insert local t_concat = table.concat -local ssl = use "ssl" +local has_luasec, ssl = pcall ( require , "ssl" ) local socket = use "socket" or require "socket" +local getaddrinfo = socket.dns.getaddrinfo local log = require ("util.logger").init("socket") @@ -128,7 +129,7 @@ do return self:_destroy(); end - function interface_mt:_start_connection(plainssl) -- should be called from addclient + function interface_mt:_start_connection(plainssl) -- called from wrapclient local callback = function( event ) if EV_TIMEOUT == event then -- timeout during connection self.fatalerror = "connection timeout" @@ -136,7 +137,7 @@ do self:_close() debug( "new connection failed. id:", self.id, "error:", self.fatalerror ) else - if plainssl and ssl then -- start ssl session + if plainssl and has_luasec then -- start ssl session self:starttls(self._sslctx, true) else -- normal connection self:_start_session(true) @@ -512,7 +513,7 @@ do _sslctx = sslctx; -- parameters _usingssl = false; -- client is using ssl; } - if not ssl then interface.starttls = false; end + if not has_luasec then interface.starttls = false; end interface.id = tostring(interface):match("%x+$"); interface.writecallback = function( event ) -- called on write events --vdebug( "new client write event, id/ip/port:", interface, ip, port ) @@ -695,7 +696,7 @@ do interface._connections = interface._connections + 1 -- increase connection count local clientinterface = handleclient( client, client_ip, client_port, interface, pattern, listener, sslctx ) --vdebug( "client id:", clientinterface, "startssl:", startssl ) - if ssl and sslctx then + if has_luasec and sslctx then clientinterface:starttls(sslctx, true) else clientinterface:_start_session( true ) @@ -716,25 +717,17 @@ do end local addserver = ( function( ) - return function( addr, port, listener, pattern, sslcfg, startssl ) -- TODO: check arguments - --vdebug( "creating new tcp server with following parameters:", addr or "nil", port or "nil", sslcfg or "nil", startssl or "nil") + return function( addr, port, listener, pattern, sslctx, startssl ) -- TODO: check arguments + --vdebug( "creating new tcp server with following parameters:", addr or "nil", port or "nil", sslctx or "nil", startssl or "nil") + if sslctx and not has_luasec then + debug "fatal error: luasec not found" + return nil, "luasec not found" + end local server, err = socket.bind( addr, port, cfg.ACCEPT_QUEUE ) -- create server socket if not server then debug( "creating server socket on "..addr.." port "..port.." failed:", err ) return nil, err end - local sslctx - if sslcfg then - if not ssl then - debug "fatal error: luasec not found" - return nil, "luasec not found" - end - sslctx, err = sslcfg - if err then - debug( "error while creating new ssl context for server socket:", err ) - return nil, err - end - end local interface = handleserver( server, addr, port, pattern, listener, sslctx, startssl ) -- new server handler debug( "new server created with id:", tostring(interface)) return interface @@ -750,37 +743,34 @@ do --function handleclient( client, ip, port, server, pattern, listener, _, sslctx ) -- creates an client interface end - function addclient( addr, serverport, listener, pattern, localaddr, localport, sslcfg, startssl ) - local client, err = socket.tcp() -- creating new socket + function addclient( addr, serverport, listener, pattern, sslctx, typ ) + if sslctx and not has_luasec then + debug "need luasec, but not available" + return nil, "luasec not found" + end + if getaddrinfo and not typ then + local addrinfo, err = getaddrinfo(addr) + if not addrinfo then return nil, err end + if addrinfo[1] and addrinfo[1].family == "inet6" then + typ = "tcp6" + end + end + local create = socket[typ or "tcp"] + if type( create ) ~= "function" then + return nil, "invalid socket type" + end + local client, err = create() -- creating new socket if not client then debug( "cannot create socket:", err ) return nil, err end client:settimeout( 0 ) -- set nonblocking - if localaddr then - local res, err = client:bind( localaddr, localport, -1 ) - if not res then - debug( "cannot bind client:", err ) - return nil, err - end - end - local sslctx - if sslcfg then -- handle ssl/new context - if not ssl then - debug "need luasec, but not available" - return nil, "luasec not found" - end - sslctx, err = sslcfg - if err then - debug( "cannot create new ssl context:", err ) - return nil, err - end - end local res, err = client:connect( addr, serverport ) -- connect - if res or ( err == "timeout" ) then - local ip, port = client:getsockname( ) - local interface = wrapclient( client, ip, serverport, listener, pattern, sslctx, startssl ) - interface:_start_connection( startssl ) + if res or ( err == "timeout" or err == "Operation already in progress" ) then + if client.getsockname then + addr = client:getsockname( ) + end + local interface = wrapclient( client, addr, serverport, listener, pattern, sslctx ) debug( "new connection id:", interface.id ) return interface, err else |