X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/85ef2ce64f0cc31a063fccea69fdcc7281d51548..f292b938e3856ed9fb8fb45bb96d72fab1ed494f:/lsocket.pas?ds=inline
diff --git a/lsocket.pas b/lsocket.pas
index 2eb4dbd..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
{$ifdef secondlistener}
if lastsessionfromsecond then begin
result := secondlistener.receive(buf,bufsize);
@@ -293,7 +321,6 @@ begin
localaddr := '0.0.0.0';
end;
//gethostbyname(localaddr,host);
-
inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);
If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef win32}0{$else}true{$endif} Then begin
@@ -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;
@@ -504,6 +537,11 @@ begin
srclen := tempsrclen;
end;
+procedure tlsocket.taskcallconnectionfailedhandler(wparam,lparam : longint);
+begin
+ connectionfailedhandler(wparam);
+end;
+
procedure tlsocket.connectionfailedhandler(error:word);
begin
if trymoreips then begin
@@ -540,7 +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;