//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
+ addr:thostname;\r
+ port:ansistring;\r
+ localaddr:thostname;\r
+ localport:ansistring;\r
+ proto:ansistring;\r
udp,dgram:boolean;\r
listenqueue:integer;\r
{$ifdef secondlistener}\r
procedure secondaccepthandler(sender:tobject;error:word);\r
procedure internalclose(error:word);override;\r
{$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
\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 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
+ 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
{$ifdef win32}\r
procedure myfdclose(fd : integer); override;\r
function myfdwrite(fd: LongInt;const buf;size: LongInt):LongInt; override;\r
result := inaddrsize(inaddr);\r
end;\r
\r
+//I used to use the system versions of these from within lsocket (which has\r
+//functions whose name clashes with them) by using sockets.* and but I can't do\r
+//that anymore since in some cases connect is now provided by unixstuff.inc\r
+//hence these wrapper functions --plugwash\r
+{$ifndef win32}\r
+ function system_Connect(Sock: LongInt;const Addr;Addrlen: LongInt):Boolean;\r
+ begin\r
+ result := connect(sock,addr,addrlen);\r
+ end;\r
+ function system_SendTo(Sock: LongInt; const Buf;BufLen: LongInt;Flags: LongInt;var Addr;AddrLen: LongInt):LongInt;\r
+ begin\r
+ result := sendto(sock,buf,buflen,flags,addr,addrlen);\r
+ end;\r
+ function system_getpeername(Sock: LongInt;var Addr;var Addrlen: LongInt):LongInt;\r
+ begin\r
+ result := getpeername(sock,addr,addrlen);\r
+ end;\r
+ function system_listen(Sock: LongInt; MaxConnect: LongInt):Boolean;\r
+ begin\r
+ result := listen(sock,maxconnect);\r
+ end;\r
+ function system_Accept(Sock: LongInt;var Addr;var Addrlen: LongInt):LongInt;\r
+ begin\r
+ result := accept(sock,addr,addrlen);\r
+ end;\r
+{$endif}\r
\r
procedure tlsocket.realconnect;\r
var\r
a,b:integer;\r
begin\r
-// writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);\r
+ //writeln('trying to connect to ',ipbintostr(biniplist_get(biniplist,currentip)),'#',port);\r
makeinaddrv(biniplist_get(biniplist,currentip),port,inaddr);\r
inc(currentip);\r
if (currentip >= biniplist_getcount(biniplist)) then trymoreips := false;\r
a := SOCK_DGRAM;\r
udp := true;\r
dgram := true;\r
- end else if (uppercase(proto) = 'TCP') then begin\r
+ end else if (uppercase(proto) = 'TCP') or (uppercase(proto) = '') then begin\r
b := IPPROTO_TCP;\r
a := SOCK_STREAM;\r
dgram := false;\r
- end else begin\r
+ end else if (uppercase(proto) = 'ICMP') or (strtointdef(proto,256) < 256) then begin\r
b := strtointdef(proto,IPPROTO_ICMP);\r
a := SOCK_RAW;\r
dgram := true;\r
+ end else begin\r
+ raise ESocketException.create('unrecognised protocol');\r
end;\r
\r
a := Socket(inaddr.inaddr.family,a,b);\r
//writeln(ord(inaddr.inaddr.family));\r
if a = -1 then begin\r
- lasterror := {$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{$endif},0);\r
+ exit;\r
end;\r
try\r
dup(a);\r
//writeln(inaddr.inaddr.port);\r
winsock.Connect(fdhandlein,winsock.psockaddr(@inADDR)^,getaddrsize);\r
{$else}\r
- sockets.Connect(fdhandlein,inADDR,getaddrsize);\r
+ system_Connect(fdhandlein,inADDR,getaddrsize);\r
{$endif}\r
eventcore.rmasterset(fdhandlein,false);\r
eventcore.wmasterset(fdhandleout);\r
realconnect;\r
end;\r
\r
+\r
+\r
+\r
procedure tlsocket.connect;\r
var\r
a:integer;\r
currentip := 0;\r
if not assigned(connecttimeout) then begin\r
connecttimeout := tltimer.create(self);\r
- connecttimeout.Tag := integer(self);\r
connecttimeout.ontimer := connecttimeouthandler;\r
connecttimeout.interval := 2500;\r
connecttimeout.enabled := false;\r
realconnect;\r
end;\r
\r
-procedure tlsocket.sendstr(const str : string);\r
+procedure tlsocket.sendstr(const str : tbufferstring);\r
begin\r
if dgram then begin\r
send(@str[1],length(str))\r
end;\r
//gethostbyname(localaddr,host);\r
inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);\r
-\r
+ {$ifdef ipv6}\r
+ isv6socket := (inaddrtemp.inaddr.family = AF_INET6);\r
+ {$endif}\r
If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef win32}0{$else}true{$endif} Then begin\r
state := wsclosed;\r
lasterror := {$ifdef win32}getlasterror{$else}socketerror{$endif};\r
\r
procedure tlsocket.listen;\r
var\r
- yes:longint;\r
+ yes,no:longint;\r
socktype:integer;\r
biniptemp:tbinip;\r
- origaddr:string;\r
+ origaddr:thostname;\r
begin\r
if state <> wsclosed then close;\r
udp := uppercase(proto) = 'UDP';\r
\r
if addr = '' then begin\r
{$ifdef ipv6}\r
+ //writeln('ipv6 is defined');\r
if not v4listendefault then begin\r
+ //writeln('setting addr to ::');\r
addr := '::';\r
end else\r
{$endif}\r
end;\r
if isbiniplist(addr) then biniptemp := biniplist_get(addr,0) else biniptemp := forwardlookup(addr,10);\r
addr := ipbintostr(biniptemp);\r
+ //writeln('after ipbintostr call addr =',addr);\r
+ //writeln('biniptemp.family =',biniptemp.family);\r
+ //writeln('AF_INET6=',AF_INET6);\r
+ //writeln('PF_INET6=',PF_INET6);\r
+ //writeln('AF_INET=',AF_INET);\r
+ //writeln('PF_INET=',PF_INET);\r
+ \r
fdhandlein := socket(biniptemp.family,socktype,0);\r
{$ifdef ipv6}\r
if (addr = '::') and (origaddr = '') and (fdhandlein < 0) then begin\r
+ {writeln('failed to create an IPV6 socket with error ',socketerror,'. trying to create an IPV4 one instead');}\r
addr := '0.0.0.0';\r
- fdhandlein := socket(AF_INET,socktype,0);\r
+ fdhandlein := socket(PF_INET,socktype,0);\r
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
try\r
yes := $01010101; {Copied this from existing code. Value is empiric,\r
but works. (yes=true<>0) }\r
+ no := 0;\r
{$ifndef win32}\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
+ //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
{$endif}\r
localaddr := addr;\r
if not udp then begin\r
{!!! allow custom queue length? default 5}\r
if listenqueue = 0 then listenqueue := 5;\r
- If {$ifdef win32}winsock{$else}sockets{$endif}.Listen(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise \r
+ If {$ifdef win32}winsock.listen{$else}system_listen{$endif}(fdhandlein,listenqueue)<>{$ifdef win32}0{$else}true{$endif} Then raise\r
esocketexception.create('unable to listen');\r
state := wsListening;\r
end else begin\r
{$ifdef win32}\r
result := winsock.accept(fdhandlein,@fromaddr,@fromaddrsize);\r
{$else}\r
- result := sockets.accept(fdhandlein,fromaddr,fromaddrsize);\r
+ result := system_accept(fdhandlein,fromaddr,fromaddrsize);\r
{$endif}\r
//now we have accepted one request start monitoring for more again\r
eventcore.rmasterset(fdhandlein,true);\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 win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif};\r
+\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
- result := {$ifdef win32}winsock{$else}sockets{$endif}.sendto(self.fdhandleout,data^,len,0,destx,destlen);\r
+ {$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 := {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@realdest)\r
+ end else begin\r
+ destx := {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@dest)\r
+ end;\r
+ {$else}\r
+ destx := {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@dest)\r
+ {$endif}\r
+\r
+ result := {$ifdef win32}winsock.sendto{$else}system_sendto{$endif}(self.fdhandleout,data^,len,0,destx^,destlen);\r
end;\r
\r
+\r
function tlsocket.receivefrom(data:pointer;len:integer;var src:TInetSockAddrV;var srclen:integer):integer;\r
var\r
tempsrc:TInetSockAddrV;\r
end;\r
{$endif}\r
tempsrclen := sizeof(tempsrc);\r
- result := {$ifdef win32}winsock{$else}sockets{$endif}.recvfrom(self.fdhandlein,data^,len,0,srcx,tempsrclen);\r
+ result := recvfrom(self.fdhandlein,data^,len,0,srcx,tempsrclen);\r
\r
{$ifdef ipv6}\r
biniptemp := inaddrvtobinip(tempsrc);\r
srclen := tempsrclen;\r
end;\r
\r
+procedure tlsocket.taskcallconnectionfailedhandler(wparam,lparam : longint);\r
+begin\r
+ connectionfailedhandler(wparam);\r
+end;\r
+\r
procedure tlsocket.connectionfailedhandler(error:word);\r
begin\r
if trymoreips then begin\r
end;\r
\r
\r
+\r
function tlsocket.getpeername(var addr:tsockaddrin;addrlen:integer):integer;\r
var\r
addrx : {$ifdef win32}winsock.tsockaddr{$else}tsockaddrin{$endif} absolute addr;\r
begin\r
- result := {$ifdef win32}winsock{$else}sockets{$endif}.getpeername(self.fdhandlein,addrx,addrlen);\r
+ result := {$ifdef win32}winsock.getpeername{$else}system_getpeername{$endif}(self.fdhandlein,addrx,addrlen);\r
end;\r
\r
procedure tlsocket.getxaddrbin(var binip:tbinip);\r
{$ifdef win32}\r
winsock.getsockname(self.fdhandlein,psockaddr(@addr)^,i);\r
{$else}\r
- sockets.getsocketname(self.fdhandlein,addr,i);\r
+ getsocketname(self.fdhandlein,addr,i);\r
{$endif}\r
binip := inaddrvtobinip(addr);\r
converttov4(binip);\r
{$ifdef win32}\r
winsock.getpeername(self.fdhandlein,psockaddr(@addr)^,i);\r
{$else}\r
- sockets.getpeername(self.fdhandlein,addr,i);\r
+ system_getpeername(self.fdhandlein,addr,i);\r
{$endif}\r
\r
binip := inaddrvtobinip(addr);\r
converttov4(binip);\r
end;\r
\r
-function tlsocket.getXaddr:string;\r
+function tlsocket.getXaddr:thostname;\r
var\r
biniptemp:tbinip;\r
begin\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
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
winsock.getsockname(self.fdhandlein,psockaddrin(@addr)^,i);\r
\r
{$else}\r
- sockets.getsocketname(self.fdhandlein,addr,i);\r
+ getsocketname(self.fdhandlein,addr,i);\r
\r
{$endif}\r
result := inttostr(htons(addr.InAddr.port));\r
end;\r
\r
-function tlsocket.getpeerport:string;\r
+function tlsocket.getpeerport:ansistring;\r
var\r
addr:tinetsockaddrv;\r
i:integer;\r
winsock.getpeername(self.fdhandlein,psockaddrin(@addr)^,i);\r
\r
{$else}\r
- sockets.getpeername(self.fdhandlein,addr,i);\r
+ system_getpeername(self.fdhandlein,addr,i);\r
\r
{$endif}\r
result := inttostr(htons(addr.InAddr.port));\r
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