removed redundant, and no longer valid, email address (another one)

[lcore.git] / lsocket.pas

diff --git a/lsocket.pas b/lsocket.pas
index 2eb4dbdb711bfeab85d5375ab0272006093369a0..ddee93e8ac7d094347134b39774f66be5389d3c4 100755 (executable)
--- a/lsocket.pas
+++ b/lsocket.pas
@@ -99,7 +99,7 @@ type
       localaddr:string;\r
       localport:string;\r
       proto:string;\r
-      udp:boolean;\r
+      udp,dgram:boolean;\r
       listenqueue:integer;\r
       {$ifdef secondlistener}\r
       secondlistener:tlsocket;\r
@@ -107,9 +107,6 @@ type
       procedure secondaccepthandler(sender:tobject;error:word);\r
       procedure internalclose(error:word);override;\r
       {$endif}\r
-      procedure connectionfailedhandler(error:word);\r
-      procedure connecttimeouthandler(sender:tobject);\r
-      procedure connectsuccesshandler;\r
       function getaddrsize:integer;\r
       procedure connect; virtual;\r
       procedure realconnect;\r
@@ -131,6 +128,14 @@ type
       function getXport:string; virtual;\r
       function getpeerport:string; 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
+    private\r
+      procedure taskcallconnectionfailedhandler(wparam,lparam : longint);\r
+\r
+      procedure connecttimeouthandler(sender:tobject);\r
+      procedure connectsuccesshandler;\r
       {$ifdef win32}\r
         procedure myfdclose(fd : integer); override;\r
         function myfdwrite(fd: LongInt;const buf;size: LongInt):LongInt; override;\r
@@ -158,27 +163,51 @@ end;
 \r
 procedure tlsocket.realconnect;\r
 var\r
-  a:integer;\r
-\r
+  a,b:integer;\r
 begin\r
-//  writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);\r
+  //writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);\r
   makeinaddrv(biniplist_get(biniplist,currentip),port,inaddr);\r
   inc(currentip);\r
   if (currentip >= biniplist_getcount(biniplist)) then trymoreips := false;\r
-  udp := uppercase(proto) = 'UDP';\r
-  if udp then a := SOCK_DGRAM else a := SOCK_STREAM;\r
-  a := Socket(inaddr.inaddr.family,a,0);\r
+\r
+  udp := false;\r
+  if (uppercase(proto) = 'UDP') then begin\r
+    b := IPPROTO_UDP;\r
+    a := SOCK_DGRAM;\r
+    udp := true;\r
+    dgram := true;\r
+  end else if (uppercase(proto) = 'TCP') or (uppercase(proto) = '') then begin\r
+    b := IPPROTO_TCP;\r
+    a := SOCK_STREAM;\r
+    dgram := false;\r
+  end else if (uppercase(proto) = 'ICMP') or (strtointdef(proto,256) < 256) then begin\r
+    b := strtointdef(proto,IPPROTO_ICMP);\r
+    a := SOCK_RAW;\r
+    dgram := true;\r
+  end else begin\r
+    raise ESocketException.create('unrecognised protocol');\r
+  end;\r
+\r
+  a := Socket(inaddr.inaddr.family,a,b);\r
   //writeln(ord(inaddr.inaddr.family));\r
   if a = -1 then begin\r
-    lasterror := {$ifdef win32}getlasterror{$else}socketerror{$endif};\r
-    raise esocketexception.create('unable to create socket');\r
+    //unable to create socket, fire an error event (better to use an error event\r
+    //to avoid poor interaction with multilistener stuff.\r
+    //a socket value of -2 is a special value to say there is no socket but\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{$endif},0);\r
+    exit;\r
   end;\r
   try\r
     dup(a);\r
     bindsocket;\r
-    if udp then begin\r
+    if dgram then begin\r
       {$ifndef win32}\r
         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
+      {$else}\r
+        SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
       {$endif}\r
       state := wsconnected;\r
       if assigned(onsessionconnected) then onsessionconnected(self,0);\r
@@ -231,7 +260,6 @@ begin
   currentip := 0;\r
   if not assigned(connecttimeout) then begin\r
     connecttimeout := tltimer.create(self);\r
-    connecttimeout.Tag := integer(self);\r
     connecttimeout.ontimer := connecttimeouthandler;\r
     connecttimeout.interval := 2500;\r
     connecttimeout.enabled := false;\r
@@ -241,7 +269,7 @@ end;
 \r
 procedure tlsocket.sendstr(const str : string);\r
 begin\r
-  if udp then begin\r
+  if dgram then begin\r
     send(@str[1],length(str))\r
   end else begin\r
     inherited sendstr(str);\r
@@ -250,7 +278,7 @@ end;
 \r
 function tlsocket.send(data:pointer;len:integer):integer;\r
 begin\r
-  if udp then begin\r
+  if dgram then begin\r
 //    writeln('sending to '+ipbintostr(inaddrvtobinip(inaddr)),' ',htons(inaddr.inaddr.port),' ',len,' bytes');\r
     result := sendto(inaddr,getaddrsize,data,len);\r
 \r
@@ -264,7 +292,7 @@ end;
 \r
 function tlsocket.receive(Buf:Pointer;BufSize:integer):integer;\r
 begin\r
-  if udp then begin\r
+  if dgram then begin\r
     {$ifdef secondlistener}\r
     if lastsessionfromsecond then begin\r
       result := secondlistener.receive(buf,bufsize);\r
@@ -293,7 +321,6 @@ begin
         localaddr := '0.0.0.0';\r
       end;\r
       //gethostbyname(localaddr,host);\r
-\r
       inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);\r
 \r
       If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef win32}0{$else}true{$endif} Then begin\r
@@ -320,7 +347,10 @@ var
 begin\r
   if state <> wsclosed then close;\r
   udp := uppercase(proto) = 'UDP';\r
-  if udp then socktype := SOCK_DGRAM else socktype := SOCK_STREAM;\r
+  if udp then begin\r
+    socktype := SOCK_DGRAM;\r
+    dgram := true;\r
+  end else socktype := SOCK_STREAM;\r
   origaddr := addr;\r
 \r
   if addr = '' then begin\r
@@ -341,7 +371,7 @@ begin
   end;\r
   {$endif}\r
 \r
-  if fdhandlein = -1 then raise ESocketException.create('unable to create socket');\r
+  if fdhandlein = -1 then raise ESocketException.create('unable to create socket'{$ifdef win32}+' error='+inttostr(wsagetlasterror){$endif});\r
   dupnowatch(fdhandlein); // sets up maxs and copies handle to fdhandleout among other things\r
   //eventcore.setfdreverse(fdhandlein,self); //already taken care of by dup\r
   state := wsclosed; // then set this back as it was an undesired side effect of dup\r
@@ -361,11 +391,14 @@ begin
     if not udp then begin\r
       {!!! allow custom queue length? default 5}\r
       if listenqueue = 0 then listenqueue := 5;\r
-      If {$ifdef win32}winsock{$else}sockets{$endif}.Listen(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise esocketexception.create('unable to listen');\r
+      If {$ifdef win32}winsock{$else}sockets{$endif}.Listen(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise\r
+esocketexception.create('unable to listen');\r
       state := wsListening;\r
     end else begin\r
       {$ifndef win32}\r
         SetSocketOptions(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
+      {$else}\r
+        SetSockOpt(fdhandleout, SOL_SOCKET, SO_BROADCAST, 'TRUE', Length('TRUE'));\r
       {$endif}\r
       state := wsconnected;\r
     end;\r
@@ -504,6 +537,11 @@ begin
   srclen := tempsrclen;\r
 end;\r
 \r
+procedure tlsocket.taskcallconnectionfailedhandler(wparam,lparam : longint);\r
+begin\r
+  connectionfailedhandler(wparam);\r
+end;\r
+\r
 procedure tlsocket.connectionfailedhandler(error:word);\r
 begin\r
    if trymoreips then begin\r
@@ -540,7 +578,7 @@ begin
     eventcore.rmasterclr(fdhandlein);\r
     if assigned(onsessionAvailable) then onsessionAvailable(self,0);\r
   end;\r
-  if udp and readtrigger then begin\r
+  if dgram and readtrigger then begin\r
     if assigned(ondataAvailable) then ondataAvailable(self,0);\r
     {!!!test}\r
     exit;\r