X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/4be21e4a341fbd4c8ecc14675fe6db9de7d18fec..a1858883733a454b6ffb73aa263ef5badc2a1d07:/lsocket.pas?ds=inline

diff --git a/lsocket.pas b/lsocket.pas
index 7438c26..ddee93e 100755
--- a/lsocket.pas
+++ b/lsocket.pas
@@ -99,7 +99,7 @@ type
       localaddr:string;
       localport:string;
       proto:string;
-      udp:boolean;
+      udp,dgram:boolean;
       listenqueue:integer;
       {$ifdef secondlistener}
       secondlistener:tlsocket;
@@ -107,9 +107,6 @@ type
       procedure secondaccepthandler(sender:tobject;error:word);
       procedure internalclose(error:word);override;
       {$endif}
-      procedure connectionfailedhandler(error:word);
-      procedure connecttimeouthandler(sender:tobject);
-      procedure connectsuccesshandler;
       function getaddrsize:integer;
       procedure connect; virtual;
       procedure realconnect;
@@ -131,6 +128,14 @@ type
       function getXport:string; virtual;
       function getpeerport:string; virtual;
       constructor Create(AOwner: TComponent); override;
+
+      //this one has to be kept public for now because lcorewsaasyncselect calls it
+      procedure connectionfailedhandler(error:word);
+    private
+      procedure taskcallconnectionfailedhandler(wparam,lparam : longint);
+
+      procedure connecttimeouthandler(sender:tobject);
+      procedure connectsuccesshandler;
       {$ifdef win32}
         procedure myfdclose(fd : integer); override;
         function myfdwrite(fd: LongInt;const buf;size: LongInt):LongInt; override;
@@ -158,27 +163,51 @@ end;
 
 procedure tlsocket.realconnect;
 var
-  a:integer;
-
+  a,b:integer;
 begin
-//  writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);
+  //writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);
   makeinaddrv(biniplist_get(biniplist,currentip),port,inaddr);
   inc(currentip);
   if (currentip >= biniplist_getcount(biniplist)) then trymoreips := false;
-  udp := uppercase(proto) = 'UDP';
-  if udp then a := SOCK_DGRAM else a := SOCK_STREAM;
-  a := Socket(inaddr.inaddr.family,a,0);
+
+  udp := false;
+  if (uppercase(proto) = 'UDP') then begin
+    b := IPPROTO_UDP;
+    a := SOCK_DGRAM;
+    udp := true;
+    dgram := true;
+  end else if (uppercase(proto) = 'TCP') or (uppercase(proto) = '') then begin
+    b := IPPROTO_TCP;
+    a := SOCK_STREAM;
+    dgram := false;
+  end else if (uppercase(proto) = 'ICMP') or (strtointdef(proto,256) < 256) then begin
+    b := strtointdef(proto,IPPROTO_ICMP);
+    a := SOCK_RAW;
+    dgram := true;
+  end else begin
+    raise ESocketException.create('unrecognised protocol');
+  end;
+
+  a := Socket(inaddr.inaddr.family,a,b);
   //writeln(ord(inaddr.inaddr.family));
   if a = -1 then begin
-    lasterror := {$ifdef win32}getlasterror{$else}socketerror{$endif};
-    raise esocketexception.create('unable to create socket');
+    //unable to create socket, fire an error event (better to use an error event
+    //to avoid poor interaction with multilistener stuff.
+    //a socket value of -2 is a special value to say there is no socket but
+    //we want internalclose to act as if there was
+    fdhandlein := -2;
+    fdhandleout := -2;
+    tltask.create(taskcallconnectionfailedhandler,self,{$ifdef win32}wsagetlasterror{$else}socketerror{$endif},0);
+    exit;
   end;
   try
     dup(a);
     bindsocket;
-    if udp then begin
+    if dgram then begin
       {$ifndef win32}
         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));
+      {$else}
+        SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));
       {$endif}
       state := wsconnected;
       if assigned(onsessionconnected) then onsessionconnected(self,0);
@@ -231,7 +260,6 @@ begin
   currentip := 0;
   if not assigned(connecttimeout) then begin
     connecttimeout := tltimer.create(self);
-    connecttimeout.Tag := integer(self);
     connecttimeout.ontimer := connecttimeouthandler;
     connecttimeout.interval := 2500;
     connecttimeout.enabled := false;
@@ -241,7 +269,7 @@ end;
 
 procedure tlsocket.sendstr(const str : string);
 begin
-  if udp then begin
+  if dgram then begin
     send(@str[1],length(str))
   end else begin
     inherited sendstr(str);
@@ -250,7 +278,7 @@ end;
 
 function tlsocket.send(data:pointer;len:integer):integer;
 begin
-  if udp then begin
+  if dgram then begin
 //    writeln('sending to '+ipbintostr(inaddrvtobinip(inaddr)),' ',htons(inaddr.inaddr.port),' ',len,' bytes');
     result := sendto(inaddr,getaddrsize,data,len);
 
@@ -264,7 +292,7 @@ end;
 
 function tlsocket.receive(Buf:Pointer;BufSize:integer):integer;
 begin
-  if udp then begin
+  if dgram then begin
     {$ifdef secondlistener}
     if lastsessionfromsecond then begin
       result := secondlistener.receive(buf,bufsize);
@@ -293,13 +321,12 @@ begin
         localaddr := '0.0.0.0';
       end;
       //gethostbyname(localaddr,host);
-
       inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);
 
       If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef win32}0{$else}true{$endif} Then begin
         state := wsclosed;
         lasterror := {$ifdef win32}getlasterror{$else}socketerror{$endif};
-        raise ESocketException.create('unable to bind, error '+inttostr(lasterror));
+        raise ESocketException.create('unable to bind on address '+localaddr+'#'+localport+', error '+inttostr(lasterror));
       end;
       state := wsbound;
     end;
@@ -320,7 +347,10 @@ var
 begin
   if state <> wsclosed then close;
   udp := uppercase(proto) = 'UDP';
-  if udp then socktype := SOCK_DGRAM else socktype := SOCK_STREAM;
+  if udp then begin
+    socktype := SOCK_DGRAM;
+    dgram := true;
+  end else socktype := SOCK_STREAM;
   origaddr := addr;
 
   if addr = '' then begin
@@ -341,7 +371,7 @@ begin
   end;
   {$endif}
 
-  if fdhandlein = -1 then raise ESocketException.create('unable to create socket');
+  if fdhandlein = -1 then raise ESocketException.create('unable to create socket'{$ifdef win32}+' error='+inttostr(wsagetlasterror){$endif});
   dupnowatch(fdhandlein); // sets up maxs and copies handle to fdhandleout among other things
   //eventcore.setfdreverse(fdhandlein,self); //already taken care of by dup
   state := wsclosed; // then set this back as it was an undesired side effect of dup
@@ -361,11 +391,14 @@ begin
     if not udp then begin
       {!!! allow custom queue length? default 5}
       if listenqueue = 0 then listenqueue := 5;
-      If {$ifdef win32}winsock{$else}sockets{$endif}.Listen(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise esocketexception.create('unable to listen');
+      If {$ifdef win32}winsock{$else}sockets{$endif}.Listen(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise
+esocketexception.create('unable to listen');
       state := wsListening;
     end else begin
       {$ifndef win32}
         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));
+      {$else}
+        SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));
       {$endif}
       state := wsconnected;
     end;
@@ -477,7 +510,10 @@ end;
 
 function tlsocket.receivefrom(data:pointer;len:integer;var src:TInetSockAddrV;var srclen:integer):integer;
 var
-  srcx : {$ifdef win32}winsock.TSockAddr{$else}TInetSockAddrV{$endif} absolute src;
+  tempsrc:TInetSockAddrV;
+  tempsrclen:integer;
+  srcx : {$ifdef win32}winsock.TSockAddr{$else}TInetSockAddrV{$endif} absolute tempsrc;
+  biniptemp:tbinip;
 begin
   {$ifdef secondlistener}
   if assigned(secondlistener) then if lastsessionfromsecond then begin
@@ -486,7 +522,24 @@ begin
     exit;
   end;
   {$endif}
-  result := {$ifdef win32}winsock{$else}sockets{$endif}.recvfrom(self.fdhandlein,data^,len,0,srcx,srclen);
+  tempsrclen := sizeof(tempsrc);
+  result := {$ifdef win32}winsock{$else}sockets{$endif}.recvfrom(self.fdhandlein,data^,len,0,srcx,tempsrclen);
+
+  {$ifdef ipv6}
+  biniptemp := inaddrvtobinip(tempsrc);
+  if needconverttov4(biniptemp) then begin
+    converttov4(biniptemp);
+    tempsrclen := makeinaddrv(biniptemp,inttostr(ntohs(tempsrc.InAddr.port)),tempsrc);
+  end;
+  {$endif}
+
+  move(tempsrc,src,srclen);
+  srclen := tempsrclen;
+end;
+
+procedure tlsocket.taskcallconnectionfailedhandler(wparam,lparam : longint);
+begin
+  connectionfailedhandler(wparam);
 end;
 
 procedure tlsocket.connectionfailedhandler(error:word);
@@ -525,7 +578,7 @@ begin
     eventcore.rmasterclr(fdhandlein);
     if assigned(onsessionAvailable) then onsessionAvailable(self,0);
   end;
-  if udp and readtrigger then begin
+  if dgram and readtrigger then begin
     if assigned(ondataAvailable) then ondataAvailable(self,0);
     {!!!test}
     exit;
@@ -603,15 +656,7 @@ begin
   {$else}
     sockets.getsocketname(self.fdhandlein,addr,i);
   {$endif}
-  binip.family := addr.inaddr.family;
-  {$ifdef ipv6}
-  if addr.inaddr6.sin6_family = AF_INET6 then begin
-    binip.ip6 := addr.inaddr6.sin6_addr;
-  end else
-  {$endif}
-  begin
-    binip.ip := addr.inaddr.addr;
-  end;
+  binip := inaddrvtobinip(addr);
   converttov4(binip);
 end;
 
@@ -628,15 +673,7 @@ begin
     sockets.getpeername(self.fdhandlein,addr,i);
   {$endif}
 
-  binip.family := addr.inaddr.family;
-  {$ifdef ipv6}
-  if addr.inaddr6.sin6_family = AF_INET6 then begin
-    binip.ip6 := addr.inaddr6.sin6_addr;
-  end else
-  {$endif}
-  begin
-    binip.ip := addr.inaddr.addr;
-  end;
+  binip := inaddrvtobinip(addr);
   converttov4(binip);
 end;
 
@@ -704,6 +741,6 @@ end;
     result := winsock.recv(fd,buf,size,0);
   end;
 {$endif}
-
+
 end.