unitfork: getfs was deprecated in fpc 2.6.2, use getfilehandle

[lcore.git] / lsocket.pas

diff --git a/lsocket.pas b/lsocket.pas
old mode 100755 (executable)
new mode 100644 (file)
index af3faf8..6a4034d
--- a/lsocket.pas
+++ b/lsocket.pas
@@ -22,7 +22,7 @@ changes by beware (20030903)
 \r
 beware (20030905)\r
 * if connect failed (conn refused) set state to connected and call internalclose, to get closed handler (instead of fdclose)\r
 \r
 beware (20030905)\r
 * if connect failed (conn refused) set state to connected and call internalclose, to get closed handler (instead of fdclose)\r

-* (lcore) if closing the fd's in internalcose, set fd's to -1 because closing an fd makes it invalid\r
+* (lcore) if closing the fd's in internalclose, set fds to -1 because closing an fd makes it invalid\r

 \r
 beware (20030927)\r
 * fixed: on connect failed, tried to close fdhandle's which were already set to -1, added check\r
 \r
 beware (20030927)\r
 * fixed: on connect failed, tried to close fdhandle's which were already set to -1, added check\r


@@ -42,7 +42,7 @@ unit lsocket;
 interface\r
   uses\r
     sysutils,\r
 interface\r
   uses\r
     sysutils,\r

-    {$ifdef win32}\r
+    {$ifdef mswindows}\r

       windows,winsock,\r
     {$else}\r
 \r
       windows,winsock,\r
     {$else}\r
 \r


@@ -93,14 +93,17 @@ type
 \r
       //host               : THostentry      ;\r
 \r
 \r
       //host               : THostentry      ;\r
 \r

-      //mainthread         : boolean         ; //for debuggin only\r
-      addr:string;\r
-      port:string;\r
-      localaddr:string;\r
-      localport:string;\r
-      proto:string;\r
+      //mainthread         : boolean         ; //for debugging only\r
+      addr:thostname;\r
+      port:ansistring;\r
+      localaddr:thostname;\r
+      localport:ansistring;\r
+      proto:ansistring;\r

       udp,dgram:boolean;\r
       listenqueue:integer;\r
       udp,dgram:boolean;\r
       listenqueue:integer;\r

+\r
+      onconnecttryip:procedure(sender:tobject; const ip:tbinip) of object;\r
+\r

       {$ifdef secondlistener}\r
       secondlistener:tlsocket;\r
       lastsessionfromsecond:boolean;\r
       {$ifdef secondlistener}\r
       secondlistener:tlsocket;\r
       lastsessionfromsecond:boolean;\r


@@ -118,29 +121,36 @@ type
 \r
       procedure handlefdtrigger(readtrigger,writetrigger:boolean); override;\r
       function send(data:pointer;len:integer):integer;override;\r
 \r
       procedure handlefdtrigger(readtrigger,writetrigger:boolean); override;\r
       function send(data:pointer;len:integer):integer;override;\r

-      procedure sendstr(const str : string);override;\r
+      procedure sendstr(const str : tbufferstring);override;\r

       function Receive(Buf:Pointer;BufSize:integer):integer; override;\r
       function getpeername(var addr:tsockaddrin;addrlen:integer):integer; virtual;\r
       procedure getXaddrbin(var binip:tbinip); virtual;\r
       procedure getpeeraddrbin(var binip:tbinip); virtual;\r
       function Receive(Buf:Pointer;BufSize:integer):integer; override;\r
       function getpeername(var addr:tsockaddrin;addrlen:integer):integer; virtual;\r
       procedure getXaddrbin(var binip:tbinip); virtual;\r
       procedure getpeeraddrbin(var binip:tbinip); virtual;\r

-      function getXaddr:string; virtual;\r
-      function getpeeraddr:string; virtual;\r
-      function getXport:string; virtual;\r
-      function getpeerport:string; virtual;\r
+      function getXaddr:thostname; virtual;\r
+      function getpeeraddr:thostname; virtual;\r
+      function getXport:ansistring; virtual;\r
+      function getpeerport:ansistring; virtual;\r

       constructor Create(AOwner: TComponent); override;\r
 \r
       //this one has to be kept public for now because lcorewsaasyncselect calls it\r
       procedure connectionfailedhandler(error:word);\r
       constructor Create(AOwner: TComponent); override;\r
 \r
       //this one has to be kept public for now because lcorewsaasyncselect calls it\r
       procedure connectionfailedhandler(error:word);\r

-    private\r
-      procedure taskcallconnectionfailedhandler(wparam,lparam : longint);\r

 \r
 \r

-      procedure connecttimeouthandler(sender:tobject);\r
-      procedure connectsuccesshandler;\r
-      {$ifdef win32}\r
+      {public in tlasio, and can't be private in both places, so should be public here. \r
+      fixes delphi warning --beware}\r
+      {$ifdef mswindows}\r

         procedure myfdclose(fd : integer); override;\r
         function myfdwrite(fd: LongInt;const buf;size: LongInt):LongInt; override;\r
         function myfdread(fd: LongInt;var buf;size: LongInt):LongInt; override;\r
       {$endif}\r
         procedure myfdclose(fd : integer); override;\r
         function myfdwrite(fd: LongInt;const buf;size: LongInt):LongInt; override;\r
         function myfdread(fd: LongInt;var buf;size: LongInt):LongInt; override;\r
       {$endif}\r

+\r
+    private\r
+      {$ifdef ipv6}\r
+        isv6socket : boolean; //identifies if the socket is v6, set by bindsocket\r
+      {$endif}\r
+      procedure taskcallconnectionfailedhandler(wparam,lparam : longint);\r
+\r
+      procedure connecttimeouthandler(sender:tobject);\r
+      procedure connectsuccesshandler;\r

     end;\r
     tsocket=longint; // for compatibility with twsocket\r
 \r
     end;\r
     tsocket=longint; // for compatibility with twsocket\r
 \r


@@ -164,7 +174,7 @@ end;
 //functions whose name clashes with them) by using sockets.* and but I can't do\r
 //that anymore since in some cases connect is now provided by unixstuff.inc\r
 //hence these wrapper functions --plugwash\r
 //functions whose name clashes with them) by using sockets.* and but I can't do\r
 //that anymore since in some cases connect is now provided by unixstuff.inc\r
 //hence these wrapper functions --plugwash\r

-{$ifndef win32}\r
+{$ifndef mswindows}\r

   function system_Connect(Sock: LongInt;const Addr;Addrlen: LongInt):Boolean;\r
   begin\r
     result := connect(sock,addr,addrlen);\r
   function system_Connect(Sock: LongInt;const Addr;Addrlen: LongInt):Boolean;\r
   begin\r
     result := connect(sock,addr,addrlen);\r


@@ -177,10 +187,6 @@ end;
   begin\r
     result := getpeername(sock,addr,addrlen);\r
   end;\r
   begin\r
     result := getpeername(sock,addr,addrlen);\r
   end;\r

-  function system_getsocketname(Sock: LongInt;var Addr;var Addrlen: LongInt):LongInt;\r
-  begin\r
-    result := getsocketname(sock,addr,addrlen);\r
-  end;\r

   function system_listen(Sock: LongInt; MaxConnect: LongInt):Boolean;\r
   begin\r
     result := listen(sock,maxconnect);\r
   function system_listen(Sock: LongInt; MaxConnect: LongInt):Boolean;\r
   begin\r
     result := listen(sock,maxconnect);\r


@@ -194,9 +200,12 @@ end;
 procedure tlsocket.realconnect;\r
 var\r
   a,b:integer;\r
 procedure tlsocket.realconnect;\r
 var\r
   a,b:integer;\r

+  iptemp:tbinip;\r

 begin\r
 begin\r

+  iptemp := biniplist_get(biniplist,currentip);\r

   //writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);\r
   //writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);\r

-  makeinaddrv(biniplist_get(biniplist,currentip),port,inaddr);\r
+  if assigned(onconnecttryip) then onconnecttryip(self,iptemp);\r
+  makeinaddrv(iptemp,port,inaddr);\r

   inc(currentip);\r
   if (currentip >= biniplist_getcount(biniplist)) then trymoreips := false;\r
 \r
   inc(currentip);\r
   if (currentip >= biniplist_getcount(biniplist)) then trymoreips := false;\r
 \r


@@ -227,14 +236,14 @@ begin
     //we want internalclose to act as if there was\r
     fdhandlein := -2;\r
     fdhandleout := -2;\r
     //we want internalclose to act as if there was\r
     fdhandlein := -2;\r
     fdhandleout := -2;\r

-    tltask.create(taskcallconnectionfailedhandler,self,{$ifdef win32}wsagetlasterror{$else}socketerror{$endif},0);\r
+    tltask.create(taskcallconnectionfailedhandler,self,{$ifdef mswindows}wsagetlasterror{$else}socketerror{$endif},0);\r

     exit;\r
   end;\r
   try\r
     dup(a);\r
     bindsocket;\r
     if dgram then begin\r
     exit;\r
   end;\r
   try\r
     dup(a);\r
     bindsocket;\r
     if dgram then begin\r

-      {$ifndef win32}\r
+      {$ifndef mswindows}\r

         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
       {$else}\r
         SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
       {$else}\r
         SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r


@@ -246,14 +255,17 @@ begin
       eventcore.wmasterclr(fdhandleout);\r
     end else begin\r
       state :=wsconnecting;\r
       eventcore.wmasterclr(fdhandleout);\r
     end else begin\r
       state :=wsconnecting;\r

-      {$ifdef win32}\r
+      {$ifdef mswindows}\r
+        //beware: atleast on windows, wsaasyncselect set interest in events before connecting, or a connect error isn't seen if it happens immediately during connect\r
+        eventcore.rmasterset(fdhandlein,false);\r
+        eventcore.wmasterset(fdhandleout);\r

         //writeln(inaddr.inaddr.port);\r
         winsock.Connect(fdhandlein,winsock.psockaddr(@inADDR)^,getaddrsize);\r
       {$else}\r
         system_Connect(fdhandlein,inADDR,getaddrsize);\r
         //writeln(inaddr.inaddr.port);\r
         winsock.Connect(fdhandlein,winsock.psockaddr(@inADDR)^,getaddrsize);\r
       {$else}\r
         system_Connect(fdhandlein,inADDR,getaddrsize);\r

+        eventcore.rmasterset(fdhandlein,false);\r
+        eventcore.wmasterset(fdhandleout);\r

       {$endif}\r
       {$endif}\r

-      eventcore.rmasterset(fdhandlein,false);\r
-      eventcore.wmasterset(fdhandleout);\r

       if trymoreips then connecttimeout.enabled := true;\r
     end;\r
     //sendq := '';\r
       if trymoreips then connecttimeout.enabled := true;\r
     end;\r
     //sendq := '';\r


@@ -279,9 +291,6 @@ end;
 \r
 \r
 procedure tlsocket.connect;\r
 \r
 \r
 procedure tlsocket.connect;\r

-var\r
-  a:integer;\r
-  ip:tbinip;\r

 begin\r
   if state <> wsclosed then close;\r
   //prevtime := 0;\r
 begin\r
   if state <> wsclosed then close;\r
   //prevtime := 0;\r


@@ -294,13 +303,13 @@ begin
   if not assigned(connecttimeout) then begin\r
     connecttimeout := tltimer.create(self);\r
     connecttimeout.ontimer := connecttimeouthandler;\r
   if not assigned(connecttimeout) then begin\r
     connecttimeout := tltimer.create(self);\r
     connecttimeout.ontimer := connecttimeouthandler;\r

-    connecttimeout.interval := 2500;\r
+    connecttimeout.interval := 5000;\r

     connecttimeout.enabled := false;\r
   end;\r
   realconnect;\r
 end;\r
 \r
     connecttimeout.enabled := false;\r
   end;\r
   realconnect;\r
 end;\r
 \r

-procedure tlsocket.sendstr(const str : string);\r
+procedure tlsocket.sendstr(const str : tbufferstring);\r

 begin\r
   if dgram then begin\r
     send(@str[1],length(str))\r
 begin\r
   if dgram then begin\r
     send(@str[1],length(str))\r


@@ -340,9 +349,8 @@ end;
 \r
 procedure tlsocket.bindsocket;\r
 var\r
 \r
 procedure tlsocket.bindsocket;\r
 var\r

-  a:integer;\r

   inAddrtemp:TInetSockAddrV;\r
   inAddrtemp:TInetSockAddrV;\r

-  inAddrtempx:{$ifdef win32}winsock.TSockaddr{$else}TInetSockAddrV{$endif} absolute inaddrtemp;\r
+  inAddrtempx:{$ifdef mswindows}winsock.TSockaddr{$else}TInetSockAddrV{$endif} absolute inaddrtemp;\r

   inaddrtempsize:integer;\r
 begin\r
   try\r
   inaddrtempsize:integer;\r
 begin\r
   try\r


@@ -355,10 +363,12 @@ begin
       end;\r
       //gethostbyname(localaddr,host);\r
       inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);\r
       end;\r
       //gethostbyname(localaddr,host);\r
       inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);\r

-\r
-      If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef win32}0{$else}true{$endif} Then begin\r
+      {$ifdef ipv6}\r
+        isv6socket := (inaddrtemp.inaddr.family = AF_INET6);\r
+      {$endif}\r
+      If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef mswindows}0{$else}true{$endif} Then begin\r

         state := wsclosed;\r
         state := wsclosed;\r

-        lasterror := {$ifdef win32}getlasterror{$else}socketerror{$endif};\r
+        lasterror := {$ifdef mswindows}getlasterror{$else}socketerror{$endif};\r

         raise ESocketException.create('unable to bind on address '+localaddr+'#'+localport+', error '+inttostr(lasterror));\r
       end;\r
       state := wsbound;\r
         raise ESocketException.create('unable to bind on address '+localaddr+'#'+localport+', error '+inttostr(lasterror));\r
       end;\r
       state := wsbound;\r


@@ -373,10 +383,12 @@ end;
 \r
 procedure tlsocket.listen;\r
 var\r
 \r
 procedure tlsocket.listen;\r
 var\r

-  yes:longint;\r
+  {$ifndef mswindows}\r
+  yes,no:longint;\r
+  {$endif}\r

   socktype:integer;\r
   biniptemp:tbinip;\r
   socktype:integer;\r
   biniptemp:tbinip;\r

-  origaddr:string;\r
+  origaddr:thostname;\r

 begin\r
   if state <> wsclosed then close;\r
   udp := uppercase(proto) = 'UDP';\r
 begin\r
   if state <> wsclosed then close;\r
   udp := uppercase(proto) = 'UDP';\r


@@ -388,7 +400,9 @@ begin
 \r
   if addr = '' then begin\r
     {$ifdef ipv6}\r
 \r
   if addr = '' then begin\r
     {$ifdef ipv6}\r

+    //writeln('ipv6 is defined');\r

     if not v4listendefault then begin\r
     if not v4listendefault then begin\r

+      //writeln('setting addr to ::');\r

       addr := '::';\r
     end else\r
     {$endif}\r
       addr := '::';\r
     end else\r
     {$endif}\r


@@ -396,26 +410,51 @@ begin
   end;\r
   if isbiniplist(addr) then biniptemp := biniplist_get(addr,0) else biniptemp := forwardlookup(addr,10);\r
   addr := ipbintostr(biniptemp);\r
   end;\r
   if isbiniplist(addr) then biniptemp := biniplist_get(addr,0) else biniptemp := forwardlookup(addr,10);\r
   addr := ipbintostr(biniptemp);\r

+  //writeln('after ipbintostr call addr =',addr);\r
+  //writeln('biniptemp.family =',biniptemp.family);\r
+  //writeln('AF_INET6=',AF_INET6);\r
+  //writeln('PF_INET6=',PF_INET6);\r
+  //writeln('AF_INET=',AF_INET);\r
+  //writeln('PF_INET=',PF_INET);\r
+  \r

   fdhandlein := socket(biniptemp.family,socktype,0);\r
   {$ifdef ipv6}\r
   if (addr = '::') and (origaddr = '') and (fdhandlein < 0) then begin\r
   fdhandlein := socket(biniptemp.family,socktype,0);\r
   {$ifdef ipv6}\r
   if (addr = '::') and (origaddr = '') and (fdhandlein < 0) then begin\r

+    {writeln('failed to create an IPV6 socket with error ',socketerror,'. trying to create an IPV4 one instead');}\r

     addr := '0.0.0.0';\r
     addr := '0.0.0.0';\r

-    fdhandlein := socket(AF_INET,socktype,0);\r
+    biniptemp := ipstrtobinf(addr);\r
+    fdhandlein := socket(PF_INET,socktype,0);\r

   end;\r
   {$endif}\r
 \r
   end;\r
   {$endif}\r
 \r

-  if fdhandlein = -1 then raise ESocketException.create('unable to create socket'{$ifdef win32}+' error='+inttostr(wsagetlasterror){$endif});\r
+  if fdhandlein = -1 then raise ESocketException.create('unable to create socket'{$ifdef mswindows}+' error='+inttostr(wsagetlasterror){$endif});\r

   dupnowatch(fdhandlein); // sets up maxs and copies handle to fdhandleout among other things\r
   //eventcore.setfdreverse(fdhandlein,self); //already taken care of by dup\r
   state := wsclosed; // then set this back as it was an undesired side effect of dup\r
 \r
   try\r
   dupnowatch(fdhandlein); // sets up maxs and copies handle to fdhandleout among other things\r
   //eventcore.setfdreverse(fdhandlein,self); //already taken care of by dup\r
   state := wsclosed; // then set this back as it was an undesired side effect of dup\r
 \r
   try\r

-    yes := $01010101;  {Copied this from existing code. Value is empiric,\r
+    {$ifndef mswindows}\r
+      yes := $01010101;  {Copied this from existing code. Value is empiric,\r

                     but works. (yes=true<>0) }\r
                     but works. (yes=true<>0) }\r

-    {$ifndef win32}\r
+      no := 0;\r
+\r

       if SetSocketOptions(fdhandlein, SOL_SOCKET, SO_REUSEADDR,yes,sizeof(yes))=-1 then begin\r
       if SetSocketOptions(fdhandlein, SOL_SOCKET, SO_REUSEADDR,yes,sizeof(yes))=-1 then begin\r

-        raise ESocketException.create('unable to set socket options');\r
+        raise ESocketException.create('unable to set SO_REUSEADDR socket option');\r

       end;\r
       end;\r

+      //writeln('addr=',addr);\r
+      //writeln('setting IPV6_V6ONLY option to 0');\r
+      //allow v4 connections on v6 sockets\r
+      if biniptemp.family = af_inet6 then begin\r
+        if SetSocketOptions(fdhandlein, IPPROTO_IPV6,IPV6_V6ONLY,no,sizeof(no))=-1 then begin\r
+          writeln(IPPROTO_IPV6);\r
+          writeln(IPV6_V6ONLY);\r
+          raise ESocketException.create('unable to set IPV6_V6ONLY socket option error='+inttostr(socketerror));\r
+          \r
+        end;\r
+      end;\r
+    {$else}\r
+      SetSockOpt(fdhandlein, SOL_SOCKET, SO_REUSEADDR, 'TRUE', Length('TRUE'));\r
+\r

     {$endif}\r
     localaddr := addr;\r
     localport := port;\r
     {$endif}\r
     localaddr := addr;\r
     localport := port;\r


@@ -424,11 +463,11 @@ begin
     if not udp then begin\r
       {!!! allow custom queue length? default 5}\r
       if listenqueue = 0 then listenqueue := 5;\r
     if not udp then begin\r
       {!!! allow custom queue length? default 5}\r
       if listenqueue = 0 then listenqueue := 5;\r

-      If {$ifdef win32}winsock.listen{$else}system_listen{$endif}(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise\r
+      If {$ifdef mswindows}winsock.listen{$else}system_listen{$endif}(fdhandlein,listenqueue)<>{$ifdef mswindows}0{$else}true{$endif} Then raise\r

 esocketexception.create('unable to listen');\r
       state := wsListening;\r
     end else begin\r
 esocketexception.create('unable to listen');\r
       state := wsListening;\r
     end else begin\r

-      {$ifndef win32}\r
+      {$ifndef mswindows}\r

         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
       {$else}\r
         SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
       {$else}\r
         SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r


@@ -461,7 +500,7 @@ esocketexception.create('unable to listen');
       if fdhandlein >= 0 then begin\r
         {one *can* get here without fd -beware}\r
         eventcore.rmasterclr(fdhandlein);\r
       if fdhandlein >= 0 then begin\r
         {one *can* get here without fd -beware}\r
         eventcore.rmasterclr(fdhandlein);\r

-        myfdclose(fdhandlein); // we musnt leak file discriptors\r
+        myfdclose(fdhandlein); // we musnt leak file descriptors\r

         eventcore.setfdreverse(fdhandlein,nil);\r
         fdhandlein := -1;\r
       end;\r
         eventcore.setfdreverse(fdhandlein,nil);\r
         fdhandlein := -1;\r
       end;\r


@@ -496,9 +535,9 @@ end;
 \r
 function tlsocket.accept : longint;\r
 var\r
 \r
 function tlsocket.accept : longint;\r
 var\r

-  FromAddrSize     : LongInt;        // i don't realy know what to do with these at this\r
+  FromAddrSize     : LongInt;        // i don't really know what to do with these at this\r

   FromAddr         : TInetSockAddrV;  // at this point time will tell :)\r
   FromAddr         : TInetSockAddrV;  // at this point time will tell :)\r

-  a:integer;\r
+  a,acceptlasterror:integer;\r

 begin\r
   {$ifdef secondlistener}\r
   if (lastsessionfromsecond) then begin\r
 begin\r
   {$ifdef secondlistener}\r
   if (lastsessionfromsecond) then begin\r


@@ -509,37 +548,58 @@ begin
   {$endif}\r
 \r
   FromAddrSize := Sizeof(FromAddr);\r
   {$endif}\r
 \r
   FromAddrSize := Sizeof(FromAddr);\r

-  {$ifdef win32}\r
+  {$ifdef mswindows}\r

     result := winsock.accept(fdhandlein,@fromaddr,@fromaddrsize);\r
   {$else}\r
     result := system_accept(fdhandlein,fromaddr,fromaddrsize);\r
   {$endif}\r
     result := winsock.accept(fdhandlein,@fromaddr,@fromaddrsize);\r
   {$else}\r
     result := system_accept(fdhandlein,fromaddr,fromaddrsize);\r
   {$endif}\r

+\r
+  if (result = -1) then acceptlasterror := {$ifdef mswindows}getlasterror{$else}socketerror{$endif} else acceptlasterror := 0;\r
+\r

   //now we have accepted one request start monitoring for more again\r
   eventcore.rmasterset(fdhandlein,true);\r
 \r
   if result = -1 then begin\r
   //now we have accepted one request start monitoring for more again\r
   eventcore.rmasterset(fdhandlein,true);\r
 \r
   if result = -1 then begin\r

-    raise esocketexception.create('error '+inttostr({$ifdef win32}getlasterror{$else}socketerror{$endif})+' while accepting');\r
+    raise esocketexception.create('error '+inttostr(acceptlasterror)+' while accepting');\r

   end;\r
   end;\r

-  if result > absoloutemaxs then begin\r
+  if result > absolutemaxs then begin\r

     myfdclose(result);\r
     a := result;\r
     myfdclose(result);\r
     a := result;\r

-    result := -1;\r
-    raise esocketexception.create('file discriptor out of range: '+inttostr(a));\r
+{    result := -1;}\r
+    raise esocketexception.create('file descriptor out of range: '+inttostr(a));\r

   end;\r
 end;\r
 \r
 \r
 function tlsocket.sendto(dest:TInetSockAddrV;destlen:integer;data:pointer;len:integer):integer;\r
 var\r
   end;\r
 end;\r
 \r
 \r
 function tlsocket.sendto(dest:TInetSockAddrV;destlen:integer;data:pointer;len:integer):integer;\r
 var\r

-  destx : {$ifdef win32}winsock.TSockAddr{$else}TInetSockAddrV{$endif} absolute dest;\r
+  {$ifdef ipv6}\r
+    realdest : tinetsockaddrv;\r
+    biniptemp : tbinip;\r
+  {$endif}\r
+  destx : {$ifdef mswindows}winsock.pSockAddr{$else}pInetSockAddrV{$endif};\r
+\r

 begin\r
   {$ifdef secondlistener}\r
 begin\r
   {$ifdef secondlistener}\r

-  if assigned(secondlistener) then if (dest.inaddr.family = AF_INET) then begin\r
-    result := secondlistener.sendto(dest,destlen,data,len);\r
-    exit;\r
-  end;\r
+    if assigned(secondlistener) then if (dest.inaddr.family = AF_INET) then begin\r
+      result := secondlistener.sendto(dest,destlen,data,len);\r
+      exit;\r
+    end;\r
+  {$endif}\r
+  {$ifdef ipv6}\r
+    if isv6socket then begin\r
+      biniptemp := inaddrvtobinip(dest);\r
+      converttov6(biniptemp);\r
+      destlen := makeinaddrv(biniptemp,inttostr(ntohs(dest.InAddr.port)),realdest);\r
+      destx := {$ifdef mswindows}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@realdest)\r
+    end else begin\r
+      destx := {$ifdef mswindows}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@dest)\r
+    end;\r
+  {$else}\r
+    destx := {$ifdef mswindows}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@dest);\r

   {$endif}\r
   {$endif}\r

-  result := {$ifdef win32}winsock.sendto{$else}system_sendto{$endif}(self.fdhandleout,data^,len,0,destx,destlen);\r
+\r
+  result := {$ifdef mswindows}winsock.sendto{$else}system_sendto{$endif}(self.fdhandleout,data^,len,0,destx^,destlen);\r

 end;\r
 \r
 \r
 end;\r
 \r
 \r


@@ -547,7 +607,7 @@ function tlsocket.receivefrom(data:pointer;len:integer;var src:TInetSockAddrV;va
 var\r
   tempsrc:TInetSockAddrV;\r
   tempsrclen:integer;\r
 var\r
   tempsrc:TInetSockAddrV;\r
   tempsrclen:integer;\r

-  srcx : {$ifdef win32}winsock.TSockAddr{$else}TInetSockAddrV{$endif} absolute tempsrc;\r
+  srcx : {$ifdef mswindows}winsock.TSockAddr{$else}TInetSockAddrV{$endif} absolute tempsrc;\r

   biniptemp:tbinip;\r
 begin\r
   {$ifdef secondlistener}\r
   biniptemp:tbinip;\r
 begin\r
   {$ifdef secondlistener}\r


@@ -619,14 +679,14 @@ begin
     exit;\r
   end;\r
   if (state =wsconnecting) and writetrigger then begin\r
     exit;\r
   end;\r
   if (state =wsconnecting) and writetrigger then begin\r

-    // code for dealing with the reults of a non-blocking connect is\r
+    // code for dealing with the results of a non-blocking connect is\r

     // rather complex\r
     // rather complex\r

-    // if just write is triggered it means connect suceeded\r
+    // if just write is triggered it means connect succeeded\r

     // if both read and write are triggered it can mean 2 things\r
     // if both read and write are triggered it can mean 2 things\r

-    // 1: connect ok and data availible\r
+    // 1: connect ok and data available\r

     // 2: connect fail\r
     // to find out which you must read from the socket and look for errors\r
     // 2: connect fail\r
     // to find out which you must read from the socket and look for errors\r

-    // there if we read successfully we drop through into the code for fireing\r
+    // there if we read successfully we drop through into the code for firing\r

     // the read event\r
     if not readtrigger then begin\r
       state := wsconnected;\r
     // the read event\r
     if not readtrigger then begin\r
       state := wsconnected;\r


@@ -639,11 +699,11 @@ begin
         //connectread := true;\r
         recvq.add(@tempbuf,numread);\r
       end else begin\r
         //connectread := true;\r
         recvq.add(@tempbuf,numread);\r
       end else begin\r

-        connectionfailedhandler({$ifdef win32}wsagetlasterror{$else}linuxerror{$endif});\r
+        connectionfailedhandler({$ifdef mswindows}wsagetlasterror{$else}linuxerror{$endif});\r

         exit;\r
       end;\r
       // if things went well here we are now in the state wsconnected with data sitting in our receive buffer\r
         exit;\r
       end;\r
       // if things went well here we are now in the state wsconnected with data sitting in our receive buffer\r

-      // so we drop down into the processing for data availible\r
+      // so we drop down into the processing for data available\r

     end;\r
     if fdhandlein >= 0 then begin\r
       if state = wsconnected then begin\r
     end;\r
     if fdhandlein >= 0 then begin\r
       if state = wsconnected then begin\r


@@ -674,9 +734,9 @@ end;
 \r
 function tlsocket.getpeername(var addr:tsockaddrin;addrlen:integer):integer;\r
 var\r
 \r
 function tlsocket.getpeername(var addr:tsockaddrin;addrlen:integer):integer;\r
 var\r

-  addrx : {$ifdef win32}winsock.tsockaddr{$else}tsockaddrin{$endif} absolute addr;\r
+  addrx : {$ifdef mswindows}winsock.tsockaddr{$else}tsockaddrin{$endif} absolute addr;\r

 begin\r
 begin\r

-  result := {$ifdef win32}winsock.getpeername{$else}system_getpeername{$endif}(self.fdhandlein,addrx,addrlen);\r
+  result := {$ifdef mswindows}winsock.getpeername{$else}system_getpeername{$endif}(self.fdhandlein,addrx,addrlen);\r

 end;\r
 \r
 procedure tlsocket.getxaddrbin(var binip:tbinip);\r
 end;\r
 \r
 procedure tlsocket.getxaddrbin(var binip:tbinip);\r


@@ -687,10 +747,10 @@ begin
   i := sizeof(addr);\r
   fillchar(addr,sizeof(addr),0);\r
 \r
   i := sizeof(addr);\r
   fillchar(addr,sizeof(addr),0);\r
 \r

-  {$ifdef win32}\r
+  {$ifdef mswindows}\r

     winsock.getsockname(self.fdhandlein,psockaddr(@addr)^,i);\r
   {$else}\r
     winsock.getsockname(self.fdhandlein,psockaddr(@addr)^,i);\r
   {$else}\r

-    system_getsocketname(self.fdhandlein,addr,i);\r
+    getsocketname(self.fdhandlein,addr,i);\r

   {$endif}\r
   binip := inaddrvtobinip(addr);\r
   converttov4(binip);\r
   {$endif}\r
   binip := inaddrvtobinip(addr);\r
   converttov4(binip);\r


@@ -703,7 +763,7 @@ var
 begin\r
   i := sizeof(addr);\r
   fillchar(addr,sizeof(addr),0);\r
 begin\r
   i := sizeof(addr);\r
   fillchar(addr,sizeof(addr),0);\r

-  {$ifdef win32}\r
+  {$ifdef mswindows}\r

     winsock.getpeername(self.fdhandlein,psockaddr(@addr)^,i);\r
   {$else}\r
     system_getpeername(self.fdhandlein,addr,i);\r
     winsock.getpeername(self.fdhandlein,psockaddr(@addr)^,i);\r
   {$else}\r
     system_getpeername(self.fdhandlein,addr,i);\r


@@ -713,7 +773,7 @@ begin
   converttov4(binip);\r
 end;\r
 \r
   converttov4(binip);\r
 end;\r
 \r

-function tlsocket.getXaddr:string;\r
+function tlsocket.getXaddr:thostname;\r

 var\r
   biniptemp:tbinip;\r
 begin\r
 var\r
   biniptemp:tbinip;\r
 begin\r


@@ -722,7 +782,7 @@ begin
   if result = '' then result := 'error';\r
 end;\r
 \r
   if result = '' then result := 'error';\r
 end;\r
 \r

-function tlsocket.getpeeraddr:string;\r
+function tlsocket.getpeeraddr:thostname;\r

 var\r
   biniptemp:tbinip;\r
 begin\r
 var\r
   biniptemp:tbinip;\r
 begin\r


@@ -731,29 +791,29 @@ begin
   if result = '' then result := 'error';\r
 end;\r
 \r
   if result = '' then result := 'error';\r
 end;\r
 \r

-function tlsocket.getXport:string;\r
+function tlsocket.getXport:ansistring;\r

 var\r
   addr:tinetsockaddrv;\r
   i:integer;\r
 begin\r
   i := sizeof(addr);\r
 var\r
   addr:tinetsockaddrv;\r
   i:integer;\r
 begin\r
   i := sizeof(addr);\r

-  {$ifdef win32}\r
+  {$ifdef mswindows}\r

     winsock.getsockname(self.fdhandlein,psockaddrin(@addr)^,i);\r
 \r
   {$else}\r
     winsock.getsockname(self.fdhandlein,psockaddrin(@addr)^,i);\r
 \r
   {$else}\r

-    system_getsocketname(self.fdhandlein,addr,i);\r
+    getsocketname(self.fdhandlein,addr,i);\r

 \r
   {$endif}\r
   result := inttostr(htons(addr.InAddr.port));\r
 end;\r
 \r
 \r
   {$endif}\r
   result := inttostr(htons(addr.InAddr.port));\r
 end;\r
 \r

-function tlsocket.getpeerport:string;\r
+function tlsocket.getpeerport:ansistring;\r

 var\r
   addr:tinetsockaddrv;\r
   i:integer;\r
 begin\r
   i := sizeof(addr);\r
 var\r
   addr:tinetsockaddrv;\r
   i:integer;\r
 begin\r
   i := sizeof(addr);\r

-  {$ifdef win32}\r
+  {$ifdef mswindows}\r

     winsock.getpeername(self.fdhandlein,psockaddrin(@addr)^,i);\r
 \r
   {$else}\r
     winsock.getpeername(self.fdhandlein,psockaddrin(@addr)^,i);\r
 \r
   {$else}\r


@@ -763,7 +823,7 @@ begin
   result := inttostr(htons(addr.InAddr.port));\r
 end;\r
 \r
   result := inttostr(htons(addr.InAddr.port));\r
 end;\r
 \r

-{$ifdef win32}\r
+{$ifdef mswindows}\r

   procedure tlsocket.myfdclose(fd : integer);\r
   begin\r
     closesocket(fd);\r
   procedure tlsocket.myfdclose(fd : integer);\r
   begin\r
     closesocket(fd);\r