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-rw-r--r--net/server_select.lua55
1 files changed, 42 insertions, 13 deletions
diff --git a/net/server_select.lua b/net/server_select.lua
index daad0f50..4a36617c 100644
--- a/net/server_select.lua
+++ b/net/server_select.lua
@@ -48,13 +48,14 @@ local coroutine_yield = coroutine.yield
--// extern libs //--
-local luasec = use "ssl"
+local has_luasec, luasec = pcall ( require , "ssl" )
local luasocket = use "socket" or require "socket"
local luasocket_gettime = luasocket.gettime
+local getaddrinfo = luasocket.dns.getaddrinfo
--// extern lib methods //--
-local ssl_wrap = ( luasec and luasec.wrap )
+local ssl_wrap = ( has_luasec and luasec.wrap )
local socket_bind = luasocket.bind
local socket_sleep = luasocket.sleep
local socket_select = luasocket.select
@@ -586,7 +587,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
end
)
end
- if luasec then
+ if has_luasec then
handler.starttls = function( self, _sslctx)
if _sslctx then
handler:set_sslctx(_sslctx);
@@ -639,7 +640,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
_socketlist[ socket ] = handler
_readlistlen = addsocket(_readlist, socket, _readlistlen)
- if sslctx and luasec then
+ if sslctx and has_luasec then
out_put "server.lua: auto-starting ssl negotiation..."
handler.autostart_ssl = true;
local ok, err = handler:starttls(sslctx);
@@ -714,22 +715,23 @@ end
----------------------------------// PUBLIC //--
addserver = function( addr, port, listeners, pattern, sslctx ) -- this function provides a way for other scripts to reg a server
+ addr = addr or "*"
local err
if type( listeners ) ~= "table" then
err = "invalid listener table"
- end
- if type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then
+ elseif type ( addr ) ~= "string" then
+ err = "invalid address"
+ elseif type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then
err = "invalid port"
elseif _server[ addr..":"..port ] then
err = "listeners on '[" .. addr .. "]:" .. port .. "' already exist"
- elseif sslctx and not luasec then
+ elseif sslctx and not has_luasec then
err = "luasec not found"
end
if err then
out_error( "server.lua, [", addr, "]:", port, ": ", err )
return nil, err
end
- addr = addr or "*"
local server, err = socket_bind( addr, port, _tcpbacklog )
if err then
out_error( "server.lua, [", addr, "]:", port, ": ", err )
@@ -930,17 +932,44 @@ local wrapclient = function( socket, ip, serverport, listeners, pattern, sslctx
return handler, socket
end
-local addclient = function( address, port, listeners, pattern, sslctx )
- local client, err = luasocket.tcp( )
+local addclient = function( address, port, listeners, pattern, sslctx, typ )
+ local err
+ if type( listeners ) ~= "table" then
+ err = "invalid listener table"
+ elseif type ( address ) ~= "string" then
+ err = "invalid address"
+ elseif type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then
+ err = "invalid port"
+ elseif sslctx and not has_luasec then
+ err = "luasec not found"
+ end
+ if getaddrinfo and not typ then
+ local addrinfo, err = getaddrinfo(address)
+ if not addrinfo then return nil, err end
+ if addrinfo[1] and addrinfo[1].family == "inet6" then
+ typ = "tcp6"
+ end
+ end
+ local create = luasocket[typ or "tcp"]
+ if type( create ) ~= "function" then
+ err = "invalid socket type"
+ end
+
+ if err then
+ out_error( "server.lua, addclient: ", err )
+ return nil, err
+ end
+
+ local client, err = create( )
if err then
return nil, err
end
client:settimeout( 0 )
- _, err = client:connect( address, port )
- if err then -- try again
+ local ok, err = client:connect( address, port )
+ if ok or err == "timeout" then
return wrapclient( client, address, port, listeners, pattern, sslctx )
else
- return wrapconnection( nil, listeners, client, address, port, "clientport", pattern, sslctx )
+ return nil, err
end
end