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-rw-r--r--win/tclWinSock.c632
1 files changed, 413 insertions, 219 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index 019d8e9..cbaedcb 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -75,6 +75,7 @@
*/
static int initialized = 0;
+static const TCHAR classname[] = TEXT("TclSocket");
TCL_DECLARE_MUTEX(socketMutex)
/*
@@ -97,13 +98,36 @@ static ProcessGlobalValue hostName = {
#define UNSELECT FALSE
/*
+ * This is needed to comply with the strict aliasing rules of GCC, but it also
+ * simplifies casting between the different sockaddr types.
+ */
+typedef union {
+ struct sockaddr sa;
+ struct sockaddr_in sa4;
+ struct sockaddr_in6 sa6;
+ struct sockaddr_storage sas;
+} address;
+
+#ifndef IN6_ARE_ADDR_EQUAL
+#define IN6_ARE_ADDR_EQUAL IN6_ADDR_EQUAL
+#endif
+
+typedef struct SocketInfo SocketInfo;
+
+typedef struct TcpFdList {
+ SocketInfo *infoPtr;
+ SOCKET fd;
+ struct TcpFdList *next;
+} TcpFdList;
+
+/*
* The following structure is used to store the data associated with each
* socket.
*/
-typedef struct SocketInfo {
+struct SocketInfo {
Tcl_Channel channel; /* Channel associated with this socket. */
- SOCKET socket; /* Windows SOCKET handle. */
+ struct TcpFdList *sockets; /* Windows SOCKET handle. */
int flags; /* Bit field comprised of the flags described
* below. */
int watchEvents; /* OR'ed combination of FD_READ, FD_WRITE,
@@ -124,7 +148,7 @@ typedef struct SocketInfo {
int lastError; /* Error code from last message. */
struct SocketInfo *nextPtr; /* The next socket on the per-thread socket
* list. */
-} SocketInfo;
+};
/*
* The following structure is what is added to the Tcl event queue when a
@@ -182,15 +206,17 @@ static WNDCLASS windowClass;
static SocketInfo * CreateSocket(Tcl_Interp *interp, int port,
const char *host, int server, const char *myaddr,
int myport, int async);
+#if 0
static int CreateSocketAddress(LPSOCKADDR_IN sockaddrPtr,
const char *host, int port);
+#endif
static void InitSockets(void);
static SocketInfo * NewSocketInfo(SOCKET socket);
static void SocketExitHandler(ClientData clientData);
static LRESULT CALLBACK SocketProc(HWND hwnd, UINT message, WPARAM wParam,
LPARAM lParam);
static int SocketsEnabled(void);
-static void TcpAccept(SocketInfo *infoPtr);
+static void TcpAccept(TcpFdList *fds);
static int WaitForSocketEvent(SocketInfo *infoPtr, int events,
int *errorCodePtr);
static DWORD WINAPI SocketThread(LPVOID arg);
@@ -202,6 +228,7 @@ static Tcl_EventProc SocketEventProc;
static Tcl_EventSetupProc SocketSetupProc;
static Tcl_DriverBlockModeProc TcpBlockProc;
static Tcl_DriverCloseProc TcpCloseProc;
+static Tcl_DriverClose2Proc TcpClose2Proc;
static Tcl_DriverSetOptionProc TcpSetOptionProc;
static Tcl_DriverGetOptionProc TcpGetOptionProc;
static Tcl_DriverInputProc TcpInputProc;
@@ -214,7 +241,7 @@ static Tcl_DriverGetHandleProc TcpGetHandleProc;
* based IO.
*/
-static Tcl_ChannelType tcpChannelType = {
+static const Tcl_ChannelType tcpChannelType = {
"tcp", /* Type name. */
TCL_CHANNEL_VERSION_5, /* v5 channel */
TcpCloseProc, /* Close proc. */
@@ -225,13 +252,13 @@ static Tcl_ChannelType tcpChannelType = {
TcpGetOptionProc, /* Get option proc. */
TcpWatchProc, /* Set up notifier to watch this channel. */
TcpGetHandleProc, /* Get an OS handle from channel. */
- NULL, /* close2proc. */
+ TcpClose2Proc, /* Close2proc. */
TcpBlockProc, /* Set socket into (non-)blocking mode. */
NULL, /* flush proc. */
NULL, /* handler proc. */
NULL, /* wide seek proc */
TcpThreadActionProc, /* thread action proc */
- NULL, /* truncate */
+ NULL /* truncate */
};
/*
@@ -260,12 +287,11 @@ InitSockets(void)
DWORD id;
WSADATA wsaData;
DWORD err;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- TclThreadDataKeyGet(&dataKey);
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
if (!initialized) {
initialized = 1;
- TclCreateLateExitHandler(SocketExitHandler, (ClientData) NULL);
+ TclCreateLateExitHandler(SocketExitHandler, NULL);
/*
* Create the async notification window with a new class. We must
@@ -280,12 +306,12 @@ InitSockets(void)
windowClass.hInstance = TclWinGetTclInstance();
windowClass.hbrBackground = NULL;
windowClass.lpszMenuName = NULL;
- windowClass.lpszClassName = "TclSocket";
+ windowClass.lpszClassName = classname;
windowClass.lpfnWndProc = SocketProc;
windowClass.hIcon = NULL;
windowClass.hCursor = NULL;
- if (!RegisterClassA(&windowClass)) {
+ if (!RegisterClass(&windowClass)) {
TclWinConvertError(GetLastError());
goto initFailure;
}
@@ -302,19 +328,19 @@ InitSockets(void)
err = WSAStartup((WORD)WSA_VERSION_REQD, &wsaData);
if (err != 0) {
- TclWinConvertWSAError(err);
+ TclWinConvertError(err);
goto initFailure;
}
/*
- * Note the byte positions are swapped for the comparison, so that
+ * Note the byte positions ae swapped for the comparison, so that
* 0x0002 (2.0, MAKEWORD(2,0)) doesn't look less than 0x0101 (1.1).
* We want the comparison to be 0x0200 < 0x0101.
*/
if (MAKEWORD(HIBYTE(wsaData.wVersion), LOBYTE(wsaData.wVersion))
< MAKEWORD(WSA_VERSION_MINOR, WSA_VERSION_MAJOR)) {
- TclWinConvertWSAError(WSAVERNOTSUPPORTED);
+ TclWinConvertError(WSAVERNOTSUPPORTED);
WSACleanup();
goto initFailure;
}
@@ -427,7 +453,7 @@ SocketExitHandler(
*/
TclpFinalizeSockets();
- UnregisterClass("TclSocket", TclWinGetTclInstance());
+ UnregisterClass(classname, TclWinGetTclInstance());
WSACleanup();
initialized = 0;
Tcl_MutexUnlock(&socketMutex);
@@ -455,9 +481,8 @@ SocketExitHandler(
void
TclpFinalizeSockets(void)
{
- ThreadSpecificData *tsdPtr;
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
- tsdPtr = (ThreadSpecificData *) TclThreadDataKeyGet(&dataKey);
if (tsdPtr != NULL) {
if (tsdPtr->socketThread != NULL) {
if (tsdPtr->hwnd != NULL) {
@@ -614,9 +639,9 @@ SocketCheckProc(
if ((infoPtr->readyEvents & infoPtr->watchEvents)
&& !(infoPtr->flags & SOCKET_PENDING)) {
infoPtr->flags |= SOCKET_PENDING;
- evPtr = (SocketEvent *) ckalloc(sizeof(SocketEvent));
+ evPtr = ckalloc(sizeof(SocketEvent));
evPtr->header.proc = SocketEventProc;
- evPtr->socket = infoPtr->socket;
+ evPtr->socket = infoPtr->sockets->fd;
Tcl_QueueEvent((Tcl_Event *) evPtr, TCL_QUEUE_TAIL);
}
}
@@ -655,6 +680,7 @@ SocketEventProc(
int mask = 0;
int events;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
+ TcpFdList *fds;
if (!(flags & TCL_FILE_EVENTS)) {
return 0;
@@ -667,7 +693,7 @@ SocketEventProc(
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
for (infoPtr = tsdPtr->socketList; infoPtr != NULL;
infoPtr = infoPtr->nextPtr) {
- if (infoPtr->socket == eventPtr->socket) {
+ if (infoPtr->sockets->fd == eventPtr->socket) {
break;
}
}
@@ -688,7 +714,9 @@ SocketEventProc(
*/
if (infoPtr->readyEvents & FD_ACCEPT) {
- TcpAccept(infoPtr);
+ for (fds = infoPtr->sockets; fds != NULL; fds = fds->next) {
+ TcpAccept(fds);
+ }
return 1;
}
@@ -729,7 +757,7 @@ SocketEventProc(
(WPARAM) UNSELECT, (LPARAM) infoPtr);
FD_ZERO(&readFds);
- FD_SET(infoPtr->socket, &readFds);
+ FD_SET(infoPtr->sockets->fd, &readFds);
timeout.tv_usec = 0;
timeout.tv_sec = 0;
@@ -780,7 +808,7 @@ TcpBlockProc(
int mode) /* TCL_MODE_BLOCKING or
* TCL_MODE_NONBLOCKING. */
{
- SocketInfo *infoPtr = (SocketInfo *) instanceData;
+ SocketInfo *infoPtr = instanceData;
if (mode == TCL_MODE_NONBLOCKING) {
infoPtr->flags |= SOCKET_ASYNC;
@@ -814,7 +842,7 @@ TcpCloseProc(
ClientData instanceData, /* The socket to close. */
Tcl_Interp *interp) /* Unused. */
{
- SocketInfo *infoPtr = (SocketInfo *) instanceData;
+ SocketInfo *infoPtr = instanceData;
/* TIP #218 */
int errorCode = 0;
/* ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); */
@@ -832,8 +860,8 @@ TcpCloseProc(
* background.
*/
- if (closesocket(infoPtr->socket) == SOCKET_ERROR) {
- TclWinConvertWSAError((DWORD) WSAGetLastError());
+ if (closesocket(infoPtr->sockets->fd) == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
errorCode = Tcl_GetErrno();
}
}
@@ -845,7 +873,60 @@ TcpCloseProc(
* fear of damaging the list.
*/
- ckfree((char *) infoPtr);
+ ckfree(infoPtr);
+ return errorCode;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TcpClose2Proc --
+ *
+ * This function is called by the generic IO level to perform the channel
+ * type specific part of a half-close: namely, a shutdown() on a socket.
+ *
+ * Results:
+ * 0 if successful, the value of errno if failed.
+ *
+ * Side effects:
+ * Shuts down one side of the socket.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+TcpClose2Proc(
+ ClientData instanceData, /* The socket to close. */
+ Tcl_Interp *interp, /* For error reporting. */
+ int flags) /* Flags that indicate which side to close. */
+{
+ SocketInfo *infoPtr = instanceData;
+ int errorCode = 0;
+ int sd;
+
+ /*
+ * Shutdown the OS socket handle.
+ */
+ switch(flags)
+ {
+ case TCL_CLOSE_READ:
+ sd=SD_RECEIVE;
+ break;
+ case TCL_CLOSE_WRITE:
+ sd=SD_SEND;
+ break;
+ default:
+ if (interp) {
+ Tcl_AppendResult(interp,
+ "Socket close2proc called bidirectionally", NULL);
+ }
+ return TCL_ERROR;
+ }
+ if (shutdown(infoPtr->sockets->fd,sd) == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ errorCode = Tcl_GetErrno();
+ }
+
return errorCode;
}
@@ -869,12 +950,15 @@ static SocketInfo *
NewSocketInfo(
SOCKET socket)
{
- SocketInfo *infoPtr;
- /* ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); */
+ SocketInfo *infoPtr = ckalloc(sizeof(SocketInfo));
+ TcpFdList *fds = ckalloc(sizeof(TcpFdList));
- infoPtr = (SocketInfo *) ckalloc((unsigned) sizeof(SocketInfo));
+ fds->fd = socket;
+ fds->next = NULL;
+ fds->infoPtr = infoPtr;
+ /* ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); */
infoPtr->channel = 0;
- infoPtr->socket = socket;
+ infoPtr->sockets = fds;
infoPtr->flags = 0;
infoPtr->watchEvents = 0;
infoPtr->readyEvents = 0;
@@ -927,12 +1011,13 @@ CreateSocket(
u_long flag = 1; /* Indicates nonblocking mode. */
int asyncConnect = 0; /* Will be 1 if async connect is in
* progress. */
- SOCKADDR_IN sockaddr; /* Socket address */
- SOCKADDR_IN mysockaddr; /* Socket address for client */
+ unsigned short chosenport = 0;
+ struct addrinfo *addrlist = NULL, *addrPtr; /* socket address */
+ struct addrinfo *myaddrlist = NULL, *myaddrPtr; /* Socket address for client */
+ const char *errorMsg = NULL;
SOCKET sock = INVALID_SOCKET;
- SocketInfo *infoPtr; /* The returned value. */
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- TclThreadDataKeyGet(&dataKey);
+ SocketInfo *infoPtr = NULL; /* The returned value. */
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
/*
* Check that WinSock is initialized; do not call it if not, to prevent
@@ -944,112 +1029,195 @@ CreateSocket(
return NULL;
}
- if (!CreateSocketAddress(&sockaddr, host, port)) {
+ if (!TclCreateSocketAddress(interp, &addrlist, host, port, server, &errorMsg)) {
goto error;
}
- if ((myaddr != NULL || myport != 0) &&
- !CreateSocketAddress(&mysockaddr, myaddr, myport)) {
+ if (!TclCreateSocketAddress(interp, &myaddrlist, myaddr, myport, 1, &errorMsg)) {
goto error;
}
- sock = socket(AF_INET, SOCK_STREAM, 0);
- if (sock == INVALID_SOCKET) {
- goto error;
- }
+ if (server) {
+ TcpFdList *fds = NULL, *newfds;
+ for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
+ sock = socket(addrPtr->ai_family, SOCK_STREAM, 0);
+ if (sock == INVALID_SOCKET) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ continue;
+ }
- /*
- * Win-NT has a misfeature that sockets are inherited in child processes
- * by default. Turn off the inherit bit.
- */
+ /*
+ * Win-NT has a misfeature that sockets are inherited in child
+ * processes by default. Turn off the inherit bit.
+ */
- SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
+ SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
- /*
- * Set kernel space buffering
- */
+ /*
+ * Set kernel space buffering
+ */
- TclSockMinimumBuffers((void *)sock, TCP_BUFFER_SIZE);
+ TclSockMinimumBuffers((void *)sock, TCP_BUFFER_SIZE);
- if (server) {
- /*
- * Bind to the specified port. Note that we must not call setsockopt
- * with SO_REUSEADDR because Microsoft allows addresses to be reused
- * even if they are still in use.
- *
- * Bind should not be affected by the socket having already been set
- * into nonblocking mode. If there is trouble, this is one place to
- * look for bugs.
- */
+ /*
+ * Make sure we use the same port when opening two server sockets
+ * for IPv4 and IPv6.
+ *
+ * As sockaddr_in6 uses the same offset and size for the port
+ * member as sockaddr_in, we can handle both through the IPv4 API.
+ */
+ if (port == 0 && chosenport != 0) {
+ ((struct sockaddr_in *) addrPtr->ai_addr)->sin_port =
+ htons(chosenport);
+ }
- if (bind(sock, (SOCKADDR *) &sockaddr, sizeof(SOCKADDR_IN))
- == SOCKET_ERROR) {
- goto error;
- }
+ /*
+ * Bind to the specified port. Note that we must not call
+ * setsockopt with SO_REUSEADDR because Microsoft allows addresses
+ * to be reused even if they are still in use.
+ *
+ * Bind should not be affected by the socket having already been
+ * set into nonblocking mode. If there is trouble, this is one
+ * place to look for bugs.
+ */
- /*
- * Set the maximum number of pending connect requests to the max value
- * allowed on each platform (Win32 and Win32s may be different, and
- * there may be differences between TCP/IP stacks).
- */
+ if (bind(sock, addrPtr->ai_addr, addrPtr->ai_addrlen)
+ == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ closesocket(sock);
+ continue;
+ }
+ if (port == 0 && chosenport == 0) {
+ address sockname;
+ socklen_t namelen = sizeof(sockname);
+ /*
+ * Synchronize port numbers when binding to port 0 of multiple
+ * addresses.
+ */
+ if (getsockname(sock, &sockname.sa, &namelen) >= 0) {
+ chosenport = ntohs(sockname.sa4.sin_port);
+ }
+ }
- if (listen(sock, SOMAXCONN) == SOCKET_ERROR) {
- goto error;
- }
+ /*
+ * Set the maximum number of pending connect requests to the max value
+ * allowed on each platform (Win32 and Win32s may be different, and
+ * there may be differences between TCP/IP stacks).
+ */
- /*
- * Add this socket to the global list of sockets.
- */
+ if (listen(sock, SOMAXCONN) == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ closesocket(sock);
+ continue;
+ }
- infoPtr = NewSocketInfo(sock);
+ if (infoPtr == NULL) {
+ /*
+ * Add this socket to the global list of sockets.
+ */
- /*
- * Set up the select mask for connection request events.
- */
+ infoPtr = NewSocketInfo(sock);
+ fds = infoPtr->sockets;
- infoPtr->selectEvents = FD_ACCEPT;
- infoPtr->watchEvents |= FD_ACCEPT;
+ /*
+ * Set up the select mask for connection request events.
+ */
- } else {
- /*
- * Try to bind to a local port, if specified.
- */
+ infoPtr->selectEvents = FD_ACCEPT;
+ infoPtr->watchEvents |= FD_ACCEPT;
- if (myaddr != NULL || myport != 0) {
- if (bind(sock, (SOCKADDR *) &mysockaddr, sizeof(SOCKADDR_IN))
- == SOCKET_ERROR) {
- goto error;
+ } else {
+ newfds = ckalloc(sizeof(TcpFdList));
+ memset(newfds, (int) 0, sizeof(TcpFdList));
+ newfds->fd = sock;
+ newfds->infoPtr = infoPtr;
+ newfds->next = NULL;
+ fds->next = newfds;
+ fds = newfds;
}
}
+ } else {
+ for (addrPtr = addrlist; addrPtr != NULL;
+ addrPtr = addrPtr->ai_next) {
+ for (myaddrPtr = myaddrlist; myaddrPtr != NULL;
+ myaddrPtr = myaddrPtr->ai_next) {
+ /*
+ * No need to try combinations of local and remote addresses
+ * of different families.
+ */
+ if (myaddrPtr->ai_family != addrPtr->ai_family) {
+ continue;
+ }
- /*
- * Set the socket into nonblocking mode if the connect should be done
- * in the background.
- */
+ sock = socket(myaddrPtr->ai_family, SOCK_STREAM, 0);
+ if (sock == INVALID_SOCKET) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ continue;
+ }
- if (async) {
- if (ioctlsocket(sock, (long) FIONBIO, &flag) == SOCKET_ERROR) {
- goto error;
- }
- }
+ /*
+ * Win-NT has a misfeature that sockets are inherited in child
+ * processes by default. Turn off the inherit bit.
+ */
- /*
- * Attempt to connect to the remote socket.
- */
+ SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
- if (connect(sock, (SOCKADDR *) &sockaddr,
- sizeof(SOCKADDR_IN)) == SOCKET_ERROR) {
- TclWinConvertWSAError((DWORD) WSAGetLastError());
- if (Tcl_GetErrno() != EWOULDBLOCK) {
- goto error;
- }
+ /*
+ * Set kernel space buffering
+ */
- /*
- * The connection is progressing in the background.
- */
+ TclSockMinimumBuffers((void *)sock, TCP_BUFFER_SIZE);
+
+ /*
+ * Try to bind to a local port.
+ */
+
+ if (bind(sock, myaddrPtr->ai_addr, myaddrPtr->ai_addrlen)
+ == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ goto looperror;
+ }
+ /*
+ * Set the socket into nonblocking mode if the connect should
+ * be done in the background.
+ */
+ if (async) {
+ if (ioctlsocket(sock, (long) FIONBIO, &flag)
+ == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ goto looperror;
+ }
+ }
+
+ /*
+ * Attempt to connect to the remote socket.
+ */
+
+ if (connect(sock, addrPtr->ai_addr, addrPtr->ai_addrlen)
+ == SOCKET_ERROR) {
+ TclWinConvertError((DWORD) WSAGetLastError());
+ if (Tcl_GetErrno() != EAGAIN) {
+ goto looperror;
+ }
- asyncConnect = 1;
+ /*
+ * The connection is progressing in the background.
+ */
+
+ asyncConnect = 1;
+ goto connected;
+ } else {
+ goto connected;
+ }
+ looperror:
+ if (sock != INVALID_SOCKET) {
+ closesocket(sock);
+ sock = INVALID_SOCKET;
+ }
+ }
}
+ goto error;
+ connected:
/*
* Add this socket to the global list of sockets.
*/
@@ -1057,8 +1225,8 @@ CreateSocket(
infoPtr = NewSocketInfo(sock);
/*
- * Set up the select mask for read/write events. If the connect
- * attempt has not completed, include connect events.
+ * Set up the select mask for read/write events. If the
+ * connect attempt has not completed, include connect events.
*/
infoPtr->selectEvents = FD_READ | FD_WRITE | FD_CLOSE;
@@ -1068,18 +1236,24 @@ CreateSocket(
}
}
+ error:
+ if (addrlist == NULL)
+ freeaddrinfo(addrlist);
+ if (myaddrlist == NULL)
+ freeaddrinfo(myaddrlist);
+
/*
* Register for interest in events in the select mask. Note that this
* automatically places the socket into non-blocking mode.
*/
- ioctlsocket(sock, (long) FIONBIO, &flag);
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT, (LPARAM) infoPtr);
+ if (infoPtr != NULL) {
+ ioctlsocket(sock, (long) FIONBIO, &flag);
+ SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT, (LPARAM) infoPtr);
- return infoPtr;
+ return infoPtr;
+ }
- error:
- TclWinConvertWSAError((DWORD) WSAGetLastError());
if (interp != NULL) {
Tcl_AppendResult(interp, "couldn't open socket: ",
Tcl_PosixError(interp), NULL);
@@ -1090,6 +1264,7 @@ CreateSocket(
return NULL;
}
+#if 0
/*
*----------------------------------------------------------------------
*
@@ -1161,6 +1336,7 @@ CreateSocketAddress(
sockaddrPtr->sin_addr.s_addr = addr.s_addr;
return 1; /* Success. */
}
+#endif
/*
*----------------------------------------------------------------------
@@ -1187,8 +1363,7 @@ WaitForSocketEvent(
{
int result = 1;
int oldMode;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- TclThreadDataKeyGet(&dataKey);
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
/*
* Be sure to disable event servicing so we are truly modal.
@@ -1214,7 +1389,7 @@ WaitForSocketEvent(
} else if (infoPtr->readyEvents & events) {
break;
} else if (infoPtr->flags & SOCKET_ASYNC) {
- *errorCodePtr = EWOULDBLOCK;
+ *errorCodePtr = EAGAIN;
result = 0;
break;
}
@@ -1273,10 +1448,10 @@ Tcl_OpenTcpClient(
return NULL;
}
- wsprintfA(channelName, "sock%d", infoPtr->socket);
+ sprintf(channelName, "sock%Id", (size_t) infoPtr->sockets->fd);
infoPtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
- (ClientData) infoPtr, (TCL_READABLE | TCL_WRITABLE));
+ infoPtr, (TCL_READABLE | TCL_WRITABLE));
if (Tcl_SetChannelOption(interp, infoPtr->channel, "-translation",
"auto crlf") == TCL_ERROR) {
Tcl_Close((Tcl_Interp *) NULL, infoPtr->channel);
@@ -1320,7 +1495,7 @@ Tcl_MakeTcpClientChannel(
return NULL;
}
- tsdPtr = (ThreadSpecificData *)TclThreadDataKeyGet(&dataKey);
+ tsdPtr = TclThreadDataKeyGet(&dataKey);
/*
* Set kernel space buffering and non-blocking.
@@ -1338,9 +1513,9 @@ Tcl_MakeTcpClientChannel(
SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
(WPARAM) SELECT, (LPARAM) infoPtr);
- wsprintfA(channelName, "sock%d", infoPtr->socket);
+ sprintf(channelName, "sock%Id", (size_t) infoPtr->sockets->fd);
infoPtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
- (ClientData) infoPtr, (TCL_READABLE | TCL_WRITABLE));
+ infoPtr, (TCL_READABLE | TCL_WRITABLE));
Tcl_SetChannelOption(NULL, infoPtr->channel, "-translation", "auto crlf");
return infoPtr->channel;
}
@@ -1391,10 +1566,10 @@ Tcl_OpenTcpServer(
infoPtr->acceptProc = acceptProc;
infoPtr->acceptProcData = acceptProcData;
- wsprintfA(channelName, "sock%d", infoPtr->socket);
+ sprintf(channelName, "sock%Id", (size_t) infoPtr->sockets->fd);
infoPtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
- (ClientData) infoPtr, 0);
+ infoPtr, 0);
if (Tcl_SetChannelOption(interp, infoPtr->channel, "-eofchar", "")
== TCL_ERROR) {
Tcl_Close((Tcl_Interp *) NULL, infoPtr->channel);
@@ -1423,15 +1598,15 @@ Tcl_OpenTcpServer(
static void
TcpAccept(
- SocketInfo *infoPtr) /* Socket to accept. */
+ TcpFdList *fds) /* Socket to accept. */
{
SOCKET newSocket;
SocketInfo *newInfoPtr;
+ SocketInfo *infoPtr = fds->infoPtr;
SOCKADDR_IN addr;
int len;
char channelName[16 + TCL_INTEGER_SPACE];
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- TclThreadDataKeyGet(&dataKey);
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
/*
* Accept the incoming connection request.
@@ -1439,8 +1614,7 @@ TcpAccept(
len = sizeof(SOCKADDR_IN);
- newSocket = accept(infoPtr->socket, (SOCKADDR *)&addr,
- &len);
+ newSocket = accept(fds->fd, (SOCKADDR *)&addr, &len);
/*
* Protect access to sockets (acceptEventCount, readyEvents) in socketList
@@ -1497,9 +1671,9 @@ TcpAccept(
SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
(WPARAM) SELECT, (LPARAM) newInfoPtr);
- wsprintfA(channelName, "sock%d", newInfoPtr->socket);
+ sprintf(channelName, "sock%Id", (size_t) newInfoPtr->sockets->fd);
newInfoPtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
- (ClientData) newInfoPtr, (TCL_READABLE | TCL_WRITABLE));
+ newInfoPtr, (TCL_READABLE | TCL_WRITABLE));
if (Tcl_SetChannelOption(NULL, newInfoPtr->channel, "-translation",
"auto crlf") == TCL_ERROR) {
Tcl_Close((Tcl_Interp *) NULL, newInfoPtr->channel);
@@ -1516,7 +1690,7 @@ TcpAccept(
*/
if (infoPtr->acceptProc != NULL) {
- (infoPtr->acceptProc) (infoPtr->acceptProcData, newInfoPtr->channel,
+ infoPtr->acceptProc(infoPtr->acceptProcData, newInfoPtr->channel,
inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
}
}
@@ -1545,11 +1719,10 @@ TcpInputProc(
int toRead, /* Maximum number of bytes to read. */
int *errorCodePtr) /* Where to store error codes. */
{
- SocketInfo *infoPtr = (SocketInfo *) instanceData;
+ SocketInfo *infoPtr = instanceData;
int bytesRead;
DWORD error;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- TclThreadDataKeyGet(&dataKey);
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
*errorCodePtr = 0;
@@ -1593,7 +1766,7 @@ TcpInputProc(
while (1) {
SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
(WPARAM) UNSELECT, (LPARAM) infoPtr);
- bytesRead = recv(infoPtr->socket, buf, toRead, 0);
+ bytesRead = recv(infoPtr->sockets->fd, buf, toRead, 0);
infoPtr->readyEvents &= ~(FD_READ);
/*
@@ -1636,7 +1809,7 @@ TcpInputProc(
*/
if ((infoPtr->flags & SOCKET_ASYNC) || (error != WSAEWOULDBLOCK)) {
- TclWinConvertWSAError(error);
+ TclWinConvertError(error);
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
break;
@@ -1683,11 +1856,10 @@ TcpOutputProc(
int toWrite, /* Maximum number of bytes to write. */
int *errorCodePtr) /* Where to store error codes. */
{
- SocketInfo *infoPtr = (SocketInfo *) instanceData;
+ SocketInfo *infoPtr = instanceData;
int bytesWritten;
DWORD error;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- TclThreadDataKeyGet(&dataKey);
+ ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
*errorCodePtr = 0;
@@ -1715,7 +1887,7 @@ TcpOutputProc(
SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
(WPARAM) UNSELECT, (LPARAM) infoPtr);
- bytesWritten = send(infoPtr->socket, buf, toWrite, 0);
+ bytesWritten = send(infoPtr->sockets->fd, buf, toWrite, 0);
if (bytesWritten != SOCKET_ERROR) {
/*
* Since Windows won't generate a new write event until we hit an
@@ -1741,12 +1913,12 @@ TcpOutputProc(
if (error == WSAEWOULDBLOCK) {
infoPtr->readyEvents &= ~(FD_WRITE);
if (infoPtr->flags & SOCKET_ASYNC) {
- *errorCodePtr = EWOULDBLOCK;
+ *errorCodePtr = EAGAIN;
bytesWritten = -1;
break;
}
} else {
- TclWinConvertWSAError(error);
+ TclWinConvertError(error);
*errorCodePtr = Tcl_GetErrno();
bytesWritten = -1;
break;
@@ -1793,9 +1965,9 @@ TcpSetOptionProc(
const char *value) /* New value for option. */
{
#ifdef TCL_FEATURE_KEEPALIVE_NAGLE
- SocketInfo *infoPtr;
+ SocketInfo *infoPtr = instanceData;
SOCKET sock;
-#endif
+#endif /*TCL_FEATURE_KEEPALIVE_NAGLE*/
/*
* Check that WinSock is initialized; do not call it if not, to prevent
@@ -1811,8 +1983,7 @@ TcpSetOptionProc(
}
#ifdef TCL_FEATURE_KEEPALIVE_NAGLE
- infoPtr = (SocketInfo *) instanceData;
- sock = infoPtr->socket;
+ sock = infoPtr->sockets->fd;
if (!strcasecmp(optionName, "-keepalive")) {
BOOL val = FALSE;
@@ -1827,7 +1998,7 @@ TcpSetOptionProc(
rtn = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
(const char *) &val, sizeof(BOOL));
if (rtn != 0) {
- TclWinConvertWSAError(WSAGetLastError());
+ TclWinConvertError(WSAGetLastError());
if (interp) {
Tcl_AppendResult(interp, "couldn't set socket option: ",
Tcl_PosixError(interp), NULL);
@@ -1848,7 +2019,7 @@ TcpSetOptionProc(
rtn = setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
(const char *) &val, sizeof(BOOL));
if (rtn != 0) {
- TclWinConvertWSAError(WSAGetLastError());
+ TclWinConvertError(WSAGetLastError());
if (interp) {
Tcl_AppendResult(interp, "couldn't set socket option: ",
Tcl_PosixError(interp), NULL);
@@ -1894,14 +2065,12 @@ TcpGetOptionProc(
Tcl_DString *dsPtr) /* Where to store the computed value;
* initialized by caller. */
{
- SocketInfo *infoPtr;
- SOCKADDR_IN sockname;
- SOCKADDR_IN peername;
- struct hostent *hostEntPtr;
+ SocketInfo *infoPtr = instanceData;
+ char host[NI_MAXHOST], port[NI_MAXSERV];
SOCKET sock;
- int size = sizeof(SOCKADDR_IN);
size_t len = 0;
- char buf[TCL_INTEGER_SPACE];
+ int reverseDNS = 0;
+#define SUPPRESS_RDNS_VAR "::tcl::unsupported::noReverseDNS"
/*
* Check that WinSock is initialized; do not call it if not, to prevent
@@ -1916,8 +2085,7 @@ TcpGetOptionProc(
return TCL_ERROR;
}
- infoPtr = (SocketInfo *) instanceData;
- sock = (int) infoPtr->socket;
+ sock = infoPtr->sockets->fd;
if (optionName != NULL) {
len = strlen(optionName);
}
@@ -1929,40 +2097,39 @@ TcpGetOptionProc(
int ret;
optlen = sizeof(int);
- ret = TclWinGetSockOpt((int)sock, SOL_SOCKET, SO_ERROR,
+ ret = TclWinGetSockOpt(sock, SOL_SOCKET, SO_ERROR,
(char *)&err, &optlen);
if (ret == SOCKET_ERROR) {
err = WSAGetLastError();
}
if (err) {
- TclWinConvertWSAError(err);
+ TclWinConvertError(err);
Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(Tcl_GetErrno()), -1);
}
return TCL_OK;
}
+ if (interp != NULL && Tcl_GetVar(interp, SUPPRESS_RDNS_VAR, 0) != NULL) {
+ reverseDNS = NI_NUMERICHOST;
+ }
+
if ((len == 0) || ((len > 1) && (optionName[1] == 'p') &&
(strncmp(optionName, "-peername", len) == 0))) {
- if (getpeername(sock, (LPSOCKADDR) &peername, &size) == 0) {
+ address peername;
+ socklen_t size = sizeof(peername);
+ if (getpeername(sock, (LPSOCKADDR) &(peername.sa), &size) == 0) {
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-peername");
Tcl_DStringStartSublist(dsPtr);
}
- Tcl_DStringAppendElement(dsPtr, inet_ntoa(peername.sin_addr));
- if (peername.sin_addr.s_addr == 0) {
- hostEntPtr = NULL;
- } else {
- hostEntPtr = gethostbyaddr((char *) &(peername.sin_addr),
- sizeof(peername.sin_addr), AF_INET);
- }
- if (hostEntPtr != NULL) {
- Tcl_DStringAppendElement(dsPtr, hostEntPtr->h_name);
- } else {
- Tcl_DStringAppendElement(dsPtr, inet_ntoa(peername.sin_addr));
- }
- TclFormatInt(buf, ntohs(peername.sin_port));
- Tcl_DStringAppendElement(dsPtr, buf);
+ getnameinfo(&(peername.sa), size, host, sizeof(host),
+ NULL, 0, NI_NUMERICHOST);
+ Tcl_DStringAppendElement(dsPtr, host);
+ getnameinfo(&(peername.sa), size, host, sizeof(host),
+ port, sizeof(port), reverseDNS | NI_NUMERICSERV);
+ Tcl_DStringAppendElement(dsPtr, host);
+ Tcl_DStringAppendElement(dsPtr, port);
if (len == 0) {
Tcl_DStringEndSublist(dsPtr);
} else {
@@ -1977,7 +2144,7 @@ TcpGetOptionProc(
*/
if (len) {
- TclWinConvertWSAError((DWORD) WSAGetLastError());
+ TclWinConvertError((DWORD) WSAGetLastError());
if (interp) {
Tcl_AppendResult(interp, "can't get peername: ",
Tcl_PosixError(interp), NULL);
@@ -1989,25 +2156,53 @@ TcpGetOptionProc(
if ((len == 0) || ((len > 1) && (optionName[1] == 's') &&
(strncmp(optionName, "-sockname", len) == 0))) {
- if (getsockname(sock, (LPSOCKADDR) &sockname, &size) == 0) {
- if (len == 0) {
- Tcl_DStringAppendElement(dsPtr, "-sockname");
- Tcl_DStringStartSublist(dsPtr);
- }
- Tcl_DStringAppendElement(dsPtr, inet_ntoa(sockname.sin_addr));
- if (sockname.sin_addr.s_addr == 0) {
- hostEntPtr = NULL;
- } else {
- hostEntPtr = gethostbyaddr((char *) &(sockname.sin_addr),
- sizeof(peername.sin_addr), AF_INET);
- }
- if (hostEntPtr != NULL) {
- Tcl_DStringAppendElement(dsPtr, hostEntPtr->h_name);
- } else {
- Tcl_DStringAppendElement(dsPtr, inet_ntoa(sockname.sin_addr));
+ TcpFdList *fds;
+ address sockname;
+ socklen_t size;
+ int found = 0;
+
+ if (len == 0) {
+ Tcl_DStringAppendElement(dsPtr, "-sockname");
+ Tcl_DStringStartSublist(dsPtr);
+ }
+ for (fds = infoPtr->sockets; fds != NULL; fds = fds->next) {
+ sock = fds->fd;
+ size = sizeof(sockname);
+ if (getsockname(sock, &(sockname.sa), &size) >= 0) {
+ int flags = reverseDNS;
+ found = 1;
+
+ getnameinfo(&sockname.sa, size, host, sizeof(host),
+ NULL, 0, NI_NUMERICHOST);
+ Tcl_DStringAppendElement(dsPtr, host);
+
+ /*
+ * We don't want to resolve INADDR_ANY and sin6addr_any; they
+ * can sometimes cause problems (and never have a name).
+ */
+ flags |= NI_NUMERICSERV;
+ if (sockname.sa.sa_family == AF_INET) {
+ if (sockname.sa4.sin_addr.s_addr == INADDR_ANY) {
+ flags |= NI_NUMERICHOST;
+ }
+ } else if (sockname.sa.sa_family == AF_INET6) {
+ if ((IN6_ARE_ADDR_EQUAL(&sockname.sa6.sin6_addr,
+ &in6addr_any)) ||
+ (IN6_IS_ADDR_V4MAPPED(&sockname.sa6.sin6_addr)
+ && sockname.sa6.sin6_addr.s6_addr[12] == 0
+ && sockname.sa6.sin6_addr.s6_addr[13] == 0
+ && sockname.sa6.sin6_addr.s6_addr[14] == 0
+ && sockname.sa6.sin6_addr.s6_addr[15] == 0)) {
+ flags |= NI_NUMERICHOST;
+ }
+ }
+ getnameinfo(&sockname.sa, size, host, sizeof(host),
+ port, sizeof(port), flags);
+ Tcl_DStringAppendElement(dsPtr, host);
+ Tcl_DStringAppendElement(dsPtr, port);
}
- TclFormatInt(buf, ntohs(sockname.sin_port));
- Tcl_DStringAppendElement(dsPtr, buf);
+ }
+ if (found) {
if (len == 0) {
Tcl_DStringEndSublist(dsPtr);
} else {
@@ -2015,7 +2210,7 @@ TcpGetOptionProc(
}
} else {
if (interp) {
- TclWinConvertWSAError((DWORD) WSAGetLastError());
+ TclWinConvertError((DWORD) WSAGetLastError());
Tcl_AppendResult(interp, "can't get sockname: ",
Tcl_PosixError(interp), NULL);
}
@@ -2051,8 +2246,7 @@ TcpGetOptionProc(
Tcl_DStringAppendElement(dsPtr, "-nagle");
}
optlen = sizeof(BOOL);
- getsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (char *)&opt,
- &optlen);
+ getsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (char *)&opt, &optlen);
if (opt) {
Tcl_DStringAppendElement(dsPtr, "0");
} else {
@@ -2101,7 +2295,7 @@ TcpWatchProc(
* TCL_READABLE, TCL_WRITABLE and
* TCL_EXCEPTION. */
{
- SocketInfo *infoPtr = (SocketInfo *) instanceData;
+ SocketInfo *infoPtr = instanceData;
/*
* Update the watch events mask. Only if the socket is not a server
@@ -2152,9 +2346,9 @@ TcpGetHandleProc(
int direction, /* Not used. */
ClientData *handlePtr) /* Where to store the handle. */
{
- SocketInfo *statePtr = (SocketInfo *) instanceData;
+ SocketInfo *statePtr = instanceData;
- *handlePtr = (ClientData) statePtr->socket;
+ *handlePtr = INT2PTR(statePtr->sockets->fd);
return TCL_OK;
}
@@ -2179,13 +2373,13 @@ SocketThread(
LPVOID arg)
{
MSG msg;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)(arg);
+ ThreadSpecificData *tsdPtr = arg;
/*
* Create a dummy window receiving socket events.
*/
- tsdPtr->hwnd = CreateWindow("TclSocket", "TclSocket",
+ tsdPtr->hwnd = CreateWindow(classname, classname,
WS_TILED, 0, 0, 0, 0, NULL, NULL, windowClass.hInstance, arg);
/*
@@ -2294,7 +2488,7 @@ SocketProc(
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
for (infoPtr = tsdPtr->socketList; infoPtr != NULL;
infoPtr = infoPtr->nextPtr) {
- if (infoPtr->socket == socket) {
+ if (infoPtr->sockets->fd == socket) {
/*
* Update the socket state.
*
@@ -2324,7 +2518,7 @@ SocketProc(
*/
if (error != ERROR_SUCCESS) {
- TclWinConvertWSAError((DWORD) error);
+ TclWinConvertError((DWORD) error);
infoPtr->lastError = Tcl_GetErrno();
}
}
@@ -2332,7 +2526,7 @@ SocketProc(
if (infoPtr->flags & SOCKET_ASYNC_CONNECT) {
infoPtr->flags &= ~(SOCKET_ASYNC_CONNECT);
if (error != ERROR_SUCCESS) {
- TclWinConvertWSAError((DWORD) error);
+ TclWinConvertError((DWORD) error);
infoPtr->lastError = Tcl_GetErrno();
}
infoPtr->readyEvents |= FD_WRITE;
@@ -2354,14 +2548,14 @@ SocketProc(
case SOCKET_SELECT:
infoPtr = (SocketInfo *) lParam;
if (wParam == SELECT) {
- WSAAsyncSelect(infoPtr->socket, hwnd,
+ WSAAsyncSelect(infoPtr->sockets->fd, hwnd,
SOCKET_MESSAGE, infoPtr->selectEvents);
} else {
/*
* Clear the selection mask
*/
- WSAAsyncSelect(infoPtr->socket, hwnd, 0, 0);
+ WSAAsyncSelect(infoPtr->sockets->fd, hwnd, 0, 0);
}
break;
@@ -2416,16 +2610,16 @@ InitializeHostName(
int *lengthPtr,
Tcl_Encoding *encodingPtr)
{
- WCHAR wbuf[MAX_COMPUTERNAME_LENGTH + 1];
- DWORD length = sizeof(wbuf) / sizeof(WCHAR);
+ TCHAR tbuf[MAX_COMPUTERNAME_LENGTH + 1];
+ DWORD length = MAX_COMPUTERNAME_LENGTH + 1;
Tcl_DString ds;
- if ((*tclWinProcs->getComputerNameProc)(wbuf, &length) != 0) {
+ if (GetComputerName(tbuf, &length) != 0) {
/*
* Convert string from native to UTF then change to lowercase.
*/
- Tcl_UtfToLower(Tcl_WinTCharToUtf((TCHAR *) wbuf, -1, &ds));
+ Tcl_UtfToLower(Tcl_WinTCharToUtf(tbuf, -1, &ds));
} else {
Tcl_DStringInit(&ds);
@@ -2454,7 +2648,7 @@ InitializeHostName(
*encodingPtr = Tcl_GetEncoding(NULL, "utf-8");
*lengthPtr = Tcl_DStringLength(&ds);
- *valuePtr = ckalloc((unsigned int) (*lengthPtr)+1);
+ *valuePtr = ckalloc((*lengthPtr) + 1);
memcpy(*valuePtr, Tcl_DStringValue(&ds), (size_t)(*lengthPtr)+1);
Tcl_DStringFree(&ds);
}
@@ -2569,7 +2763,7 @@ TcpThreadActionProc(
int action)
{
ThreadSpecificData *tsdPtr;
- SocketInfo *infoPtr = (SocketInfo *) instanceData;
+ SocketInfo *infoPtr = instanceData;
int notifyCmd;
if (action == TCL_CHANNEL_THREAD_INSERT) {
generated by cgit v0.12 at 2024-07-09 05:46:22 (GMT)