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-rw-r--r--win/tclWinSock.c759
1 files changed, 474 insertions, 285 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index da2e60a..ee6be96 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -62,15 +62,6 @@
#undef TCL_FEATURE_KEEPALIVE_NAGLE
/*
- * Make sure to remove the redirection defines set in tclWinPort.h that is in
- * use in other sections of the core, except for us.
- */
-
-#undef getservbyname
-#undef getsockopt
-#undef setsockopt
-
-/*
* Helper macros to make parts of this file clearer. The macros do exactly
* what they say on the tin. :-) They also only ever refer to their arguments
* once, and so can be used without regard to side effects.
@@ -78,6 +69,7 @@
#define SET_BITS(var, bits) ((var) |= (bits))
#define CLEAR_BITS(var, bits) ((var) &= ~(bits))
+#define GOT_BITS(var, bits) (((var) & (bits)) != 0)
/* "sock" + a pointer in hex + \0 */
#define SOCK_CHAN_LENGTH (4 + sizeof(void *) * 2 + 1)
@@ -90,7 +82,7 @@
*/
static int initialized = 0;
-static const TCHAR classname[] = TEXT("TclSocket");
+static const TCHAR className[] = TEXT("TclSocket");
TCL_DECLARE_MUTEX(socketMutex)
/*
@@ -133,6 +125,8 @@ typedef struct TcpFdList {
struct TcpState {
Tcl_Channel channel; /* Channel associated with this socket. */
+ int testFlags; /* bit field for tests. Is set by testsocket
+ * test procedure */
struct TcpFdList *sockets; /* Windows SOCKET handle. */
int flags; /* Bit field comprised of the flags described
* below. */
@@ -193,6 +187,15 @@ struct TcpState {
#define TCP_ASYNC_FAILED (1<<5) /* An async connect finally failed */
/*
+ * These bits may be ORed together into the "testFlags" field of a TcpState
+ * structure.
+ */
+
+#define TCP_ASYNC_TEST_MODE (1<<0) /* Async testing activated. Do not
+ * automatically continue connection
+ * process */
+
+/*
* The following structure is what is added to the Tcl event queue when a
* socket event occurs.
*/
@@ -301,22 +304,39 @@ static const Tcl_ChannelType tcpChannelType = {
static TclInitProcessGlobalValueProc InitializeHostName;
static ProcessGlobalValue hostName =
{0, 0, NULL, NULL, InitializeHostName, NULL, NULL};
+
+/*
+ * Simple wrapper round the SendMessage syscall.
+ */
+
+#define SendSelectMessage(tsdPtr, message, payload) \
+ SendMessage((tsdPtr)->hwnd, SOCKET_SELECT, \
+ (WPARAM) (message), (LPARAM) (payload))
+
/*
* Address print debug functions
*/
#if 0
-void printaddrinfo(struct addrinfo *ai, char *prefix)
+void
+printaddrinfo(
+ struct addrinfo *ai,
+ char *prefix)
{
char host[NI_MAXHOST], port[NI_MAXSERV];
+
getnameinfo(ai->ai_addr, ai->ai_addrlen,
- host, sizeof(host),
- port, sizeof(port),
- NI_NUMERICHOST|NI_NUMERICSERV);
+ host, sizeof(host), port, sizeof(port),
+ NI_NUMERICHOST|NI_NUMERICSERV);
}
-void printaddrinfolist(struct addrinfo *addrlist, char *prefix)
+
+void
+printaddrinfolist(
+ struct addrinfo *addrlist,
+ char *prefix)
{
struct addrinfo *ai;
+
for (ai = addrlist; ai != NULL; ai = ai->ai_next) {
printaddrinfo(ai, prefix);
}
@@ -340,7 +360,7 @@ void printaddrinfolist(struct addrinfo *addrlist, char *prefix)
void
InitializeHostName(
char **valuePtr,
- int *lengthPtr,
+ size_t *lengthPtr,
Tcl_Encoding *encodingPtr)
{
TCHAR tbuf[MAX_COMPUTERNAME_LENGTH + 1];
@@ -377,8 +397,8 @@ InitializeHostName(
*encodingPtr = Tcl_GetEncoding(NULL, "utf-8");
*lengthPtr = Tcl_DStringLength(&ds);
- *valuePtr = ckalloc((*lengthPtr) + 1);
- memcpy(*valuePtr, Tcl_DStringValue(&ds), (size_t)(*lengthPtr)+1);
+ *valuePtr = ckalloc(*lengthPtr + 1);
+ memcpy(*valuePtr, Tcl_DStringValue(&ds), *lengthPtr + 1);
Tcl_DStringFree(&ds);
}
@@ -533,9 +553,9 @@ TcpBlockModeProc(
TcpState *statePtr = instanceData;
if (mode == TCL_MODE_NONBLOCKING) {
- statePtr->flags |= TCP_NONBLOCKING;
+ SET_BITS(statePtr->flags, TCP_NONBLOCKING);
} else {
- statePtr->flags &= ~(TCP_NONBLOCKING);
+ CLEAR_BITS(statePtr->flags, TCP_NONBLOCKING);
}
return 0;
}
@@ -545,29 +565,28 @@ TcpBlockModeProc(
*
* WaitForConnect --
*
- * Check the state of an async connect process. If a connection
- * attempt terminated, process it, which may finalize it or may
- * start the next attempt. If a connect error occures, it is saved
- * in statePtr->connectError to be reported by 'fconfigure -error'.
+ * Check the state of an async connect process. If a connection attempt
+ * terminated, process it, which may finalize it or may start the next
+ * attempt. If a connect error occures, it is saved in
+ * statePtr->connectError to be reported by 'fconfigure -error'.
*
* There are two modes of operation, defined by errorCodePtr:
- * * non-NULL: Called by explicite read/write command. block if
- * socket is blocking.
+ * * non-NULL: Called by explicite read/write command. Block if socket
+ * is blocking.
* May return two error codes:
* * EWOULDBLOCK: if connect is still in progress
- * * ENOTCONN: if connect failed. This would be the error
- * message of a rect or sendto syscall so this is
- * emulated here.
- * * Null: Called by a backround operation. Do not block and
- * don't return any error code.
+ * * ENOTCONN: if connect failed. This would be the error message
+ * of a rect or sendto syscall so this is emulated here.
+ * * Null: Called by a backround operation. Do not block and don't
+ * return any error code.
*
* Results:
- * 0 if the connection has completed, -1 if still in progress
- * or there is an error.
+ * 0 if the connection has completed, -1 if still in progress or there is
+ * an error.
*
* Side effects:
- * Processes socket events off the system queue.
- * May process asynchroneous connect.
+ * Processes socket events off the system queue. May process
+ * asynchroneous connect.
*
*----------------------------------------------------------------------
*/
@@ -575,20 +594,19 @@ TcpBlockModeProc(
static int
WaitForConnect(
TcpState *statePtr, /* State of the socket. */
- int *errorCodePtr) /* Where to store errors?
- * A passed null-pointer activates background mode.
- */
+ int *errorCodePtr) /* Where to store errors? A passed
+ * null-pointer activates background mode. */
{
int result;
int oldMode;
ThreadSpecificData *tsdPtr;
/*
- * Check if an async connect failed already and error reporting is demanded,
- * return the error ENOTCONN
+ * Check if an async connect failed already and error reporting is
+ * demanded, return the error ENOTCONN.
*/
- if (errorCodePtr != NULL && (statePtr->flags & TCP_ASYNC_FAILED)) {
+ if (errorCodePtr != NULL && GOT_BITS(statePtr->flags, TCP_ASYNC_FAILED)) {
*errorCodePtr = ENOTCONN;
return -1;
}
@@ -597,11 +615,26 @@ WaitForConnect(
* Check if an async connect is running. If not return ok
*/
- if (!(statePtr->flags & TCP_ASYNC_CONNECT)) {
+ if (!GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT)) {
return 0;
}
/*
+ * In socket test mode do not continue with the connect
+ * Exceptions are:
+ * - Call by recv/send and blocking socket
+ * (errorCodePtr != NULL && !GOT_BITS(flags, TCP_NONBLOCKING))
+ * - Call by the event queue (errorCodePtr == NULL)
+ */
+
+ if (GOT_BITS(statePtr->testFlags, TCP_ASYNC_TEST_MODE)
+ && errorCodePtr != NULL
+ && GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) {
+ *errorCodePtr = EWOULDBLOCK;
+ return -1;
+ }
+
+ /*
* Be sure to disable event servicing so we are truly modal.
*/
@@ -612,36 +645,51 @@ WaitForConnect(
*/
while (1) {
+ /*
+ * Get the statePtr lock.
+ */
- /* get statePtr lock */
tsdPtr = TclThreadDataKeyGet(&dataKey);
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
- /* Check for connect event */
- if (statePtr->readyEvents & FD_CONNECT) {
+ /*
+ * Check for connect event.
+ */
- /* Consume the connect event */
- statePtr->readyEvents &= ~(FD_CONNECT);
+ if (GOT_BITS(statePtr->readyEvents, FD_CONNECT)) {
+ /*
+ * Consume the connect event.
+ */
+
+ CLEAR_BITS(statePtr->readyEvents, FD_CONNECT);
/*
- * For blocking sockets and foreground processing
- * disable async connect as we continue now synchoneously
+ * For blocking sockets and foreground processing, disable async
+ * connect as we continue now synchoneously.
*/
- if ( errorCodePtr != NULL &&
- ! (statePtr->flags & TCP_NONBLOCKING) ) {
+
+ if (errorCodePtr != NULL &&
+ !GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) {
CLEAR_BITS(statePtr->flags, TCP_ASYNC_CONNECT);
}
- /* Free list lock */
+ /*
+ * Free list lock.
+ */
+
SetEvent(tsdPtr->socketListLock);
/*
- * Continue connect.
- * If switched to synchroneous connect, the connect is terminated.
+ * Continue connect. If switched to synchroneous connect, the
+ * connect is terminated.
*/
+
result = TcpConnect(NULL, statePtr);
- /* Restore event service mode */
+ /*
+ * Restore event service mode.
+ */
+
(void) Tcl_SetServiceMode(oldMode);
/*
@@ -650,10 +698,11 @@ WaitForConnect(
if (result == TCL_OK) {
/*
- * Check for async connect restart
- * (not possible for foreground blocking operation)
+ * Check for async connect restart (not possible for
+ * foreground blocking operation)
*/
- if ( statePtr->flags & TCP_ASYNC_PENDING ) {
+
+ if (GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) {
if (errorCodePtr != NULL) {
*errorCodePtr = EWOULDBLOCK;
}
@@ -663,8 +712,8 @@ WaitForConnect(
}
/*
- * Connect finally failed.
- * For foreground operation return ENOTCONN.
+ * Connect finally failed. For foreground operation return
+ * ENOTCONN.
*/
if (errorCodePtr != NULL) {
@@ -673,7 +722,10 @@ WaitForConnect(
return -1;
}
- /* Free list lock */
+ /*
+ * Free list lock.
+ */
+
SetEvent(tsdPtr->socketListLock);
/*
@@ -681,16 +733,16 @@ WaitForConnect(
* event
*/
- if ( errorCodePtr == NULL ) {
+ if (errorCodePtr == NULL) {
return -1;
}
/*
- * A non blocking socket waiting for an asyncronous connect
- * returns directly the error EWOULDBLOCK
+ * A non blocking socket waiting for an asyncronous connect returns
+ * directly the error EWOULDBLOCK.
*/
- if (statePtr->flags & TCP_NONBLOCKING) {
+ if (GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) {
*errorCodePtr = EWOULDBLOCK;
return -1;
}
@@ -754,7 +806,7 @@ TcpInputProc(
* socket stack after the first time EOF is detected.
*/
- if (statePtr->flags & SOCKET_EOF) {
+ if (GOT_BITS(statePtr->flags, SOCKET_EOF)) {
return 0;
}
@@ -777,18 +829,22 @@ TcpInputProc(
*/
while (1) {
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
- (WPARAM) UNSELECT, (LPARAM) statePtr);
- /* single fd operation: this proc is only called for a connected socket. */
+ SendSelectMessage(tsdPtr, UNSELECT, statePtr);
+
+ /*
+ * Single fd operation: this proc is only called for a connected
+ * socket.
+ */
+
bytesRead = recv(statePtr->sockets->fd, buf, bufSize, 0);
- statePtr->readyEvents &= ~(FD_READ);
+ CLEAR_BITS(statePtr->readyEvents, FD_READ);
/*
* Check for end-of-file condition or successful read.
*/
if (bytesRead == 0) {
- statePtr->flags |= SOCKET_EOF;
+ SET_BITS(statePtr->flags, SOCKET_EOF);
}
if (bytesRead != SOCKET_ERROR) {
break;
@@ -799,8 +855,8 @@ TcpInputProc(
* error and report an EOF.
*/
- if (statePtr->readyEvents & FD_CLOSE) {
- statePtr->flags |= SOCKET_EOF;
+ if (GOT_BITS(statePtr->readyEvents, FD_CLOSE)) {
+ SET_BITS(statePtr->flags, SOCKET_EOF);
bytesRead = 0;
break;
}
@@ -813,7 +869,7 @@ TcpInputProc(
*/
if (error == WSAECONNRESET) {
- statePtr->flags |= SOCKET_EOF;
+ SET_BITS(statePtr->flags, SOCKET_EOF);
bytesRead = 0;
break;
}
@@ -822,7 +878,8 @@ TcpInputProc(
* Check for error condition or underflow in non-blocking case.
*/
- if ((statePtr->flags & TCP_NONBLOCKING) || (error != WSAEWOULDBLOCK)) {
+ if (GOT_BITS(statePtr->flags, TCP_NONBLOCKING)
+ || (error != WSAEWOULDBLOCK)) {
TclWinConvertError(error);
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
@@ -840,7 +897,7 @@ TcpInputProc(
}
}
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM)SELECT, (LPARAM)statePtr);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
return bytesRead;
}
@@ -898,10 +955,13 @@ TcpOutputProc(
}
while (1) {
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
- (WPARAM) UNSELECT, (LPARAM) statePtr);
+ SendSelectMessage(tsdPtr, UNSELECT, statePtr);
+
+ /*
+ * Single fd operation: this proc is only called for a connected
+ * socket.
+ */
- /* single fd operation: this proc is only called for a connected socket. */
written = send(statePtr->sockets->fd, buf, toWrite, 0);
if (written != SOCKET_ERROR) {
/*
@@ -910,8 +970,9 @@ TcpOutputProc(
* until the condition changes.
*/
- if (statePtr->watchEvents & FD_WRITE) {
+ if (GOT_BITS(statePtr->watchEvents, FD_WRITE)) {
Tcl_Time blockTime = { 0, 0 };
+
Tcl_SetMaxBlockTime(&blockTime);
}
break;
@@ -926,8 +987,8 @@ TcpOutputProc(
error = WSAGetLastError();
if (error == WSAEWOULDBLOCK) {
- statePtr->readyEvents &= ~(FD_WRITE);
- if (statePtr->flags & TCP_NONBLOCKING) {
+ CLEAR_BITS(statePtr->readyEvents, FD_WRITE);
+ if (GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) {
*errorCodePtr = EWOULDBLOCK;
written = -1;
break;
@@ -950,7 +1011,7 @@ TcpOutputProc(
}
}
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM)SELECT, (LPARAM)statePtr);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
return written;
}
@@ -997,10 +1058,10 @@ TcpCloseProc(
* background.
*/
- while ( statePtr->sockets != NULL ) {
+ while (statePtr->sockets != NULL) {
TcpFdList *thisfd = statePtr->sockets;
- statePtr->sockets = thisfd->next;
+ statePtr->sockets = thisfd->next;
if (closesocket(thisfd->fd) == SOCKET_ERROR) {
TclWinConvertError((DWORD) WSAGetLastError());
errorCode = Tcl_GetErrno();
@@ -1018,18 +1079,25 @@ TcpCloseProc(
/*
* Clear an eventual tsd info list pointer.
+ *
* This may be called, if an async socket connect fails or is closed
* between connect and thread action callback.
*/
+
if (tsdPtr->pendingTcpState != NULL
&& tsdPtr->pendingTcpState == statePtr) {
+ /*
+ * Get infoPtr lock, because this concerns the notifier thread.
+ */
- /* get infoPtr lock, because this concerns the notifier thread */
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
tsdPtr->pendingTcpState = NULL;
- /* Free list lock */
+ /*
+ * Free list lock.
+ */
+
SetEvent(tsdPtr->socketListLock);
}
@@ -1090,8 +1158,11 @@ TcpClose2Proc(
return TCL_ERROR;
}
- /* single fd operation: Tcl_OpenTcpServer() does not set TCL_READABLE or
- * TCL_WRITABLE so this should never be called for a server socket. */
+ /*
+ * Single fd operation: Tcl_OpenTcpServer() does not set TCL_READABLE or
+ * TCL_WRITABLE so this should never be called for a server socket.
+ */
+
if (shutdown(statePtr->sockets->fd, sd) == SOCKET_ERROR) {
TclWinConvertError((DWORD) WSAGetLastError());
errorCode = Tcl_GetErrno();
@@ -1143,7 +1214,7 @@ TcpSetOptionProc(
}
#ifdef TCL_FEATURE_KEEPALIVE_NAGLE
- #error "TCL_FEATURE_KEEPALIVE_NAGLE not reviewed for whether to treat statePtr->sockets as single fd or list"
+#error "TCL_FEATURE_KEEPALIVE_NAGLE not reviewed for whether to treat statePtr->sockets as single fd or list"
sock = statePtr->sockets->fd;
if (!strcasecmp(optionName, "-keepalive")) {
@@ -1252,9 +1323,14 @@ TcpGetOptionProc(
/*
* Go one step in async connect
- * If any error is thrown save it as backround error to report eventually below
+ *
+ * If any error is thrown save it as backround error to report eventually
+ * below.
*/
- WaitForConnect(statePtr, NULL);
+
+ if (!GOT_BITS(statePtr->testFlags, TCP_ASYNC_TEST_MODE)) {
+ WaitForConnect(statePtr, NULL);
+ }
sock = statePtr->sockets->fd;
if (optionName != NULL) {
@@ -1263,31 +1339,26 @@ TcpGetOptionProc(
if ((len > 1) && (optionName[1] == 'e') &&
(strncmp(optionName, "-error", len) == 0)) {
-
/*
- * Do not return any errors if async connect is running
- */
- if ( ! (statePtr->flags & TCP_ASYNC_PENDING) ) {
-
-
- if ( statePtr->flags & TCP_ASYNC_FAILED ) {
+ * Do not return any errors if async connect is running.
+ */
+ if (!GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) {
+ if (GOT_BITS(statePtr->flags, TCP_ASYNC_FAILED)) {
/*
* In case of a failed async connect, eventually report the
- * connect error only once.
- * Do not report the system error, as this comes again and again.
+ * connect error only once. Do not report the system error,
+ * as this comes again and again.
*/
- if ( statePtr->connectError != 0 ) {
+ if (statePtr->connectError != 0) {
Tcl_DStringAppend(dsPtr,
Tcl_ErrnoMsg(statePtr->connectError), -1);
statePtr->connectError = 0;
}
-
} else {
-
/*
- * Report an eventual last error of the socket system
+ * Report an eventual last error of the socket system.
*/
int optlen;
@@ -1295,24 +1366,30 @@ TcpGetOptionProc(
DWORD err;
/*
- * Populater the err Variable with a possix error
+ * Populate the err variable with a POSIX error
*/
+
optlen = sizeof(int);
ret = getsockopt(sock, SOL_SOCKET, SO_ERROR,
(char *)&err, &optlen);
+
/*
- * The error was not returned directly but should be
- * taken from WSA
+ * The error was not returned directly but should be taken
+ * from WSA.
*/
+
if (ret == SOCKET_ERROR) {
err = WSAGetLastError();
}
+
/*
- * Return error message
+ * Return error message.
*/
+
if (err) {
TclWinConvertError(err);
- Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(Tcl_GetErrno()), -1);
+ Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(Tcl_GetErrno()),
+ -1);
}
}
}
@@ -1321,14 +1398,14 @@ TcpGetOptionProc(
if ((len > 1) && (optionName[1] == 'c') &&
(strncmp(optionName, "-connecting", len) == 0)) {
-
Tcl_DStringAppend(dsPtr,
- (statePtr->flags & TCP_ASYNC_PENDING)
+ GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)
? "1" : "0", -1);
return TCL_OK;
}
- if (interp != NULL && Tcl_GetVar(interp, SUPPRESS_RDNS_VAR, 0) != NULL) {
+ if (interp != NULL
+ && Tcl_GetVar2(interp, SUPPRESS_RDNS_VAR, NULL, 0) != NULL) {
reverseDNS = NI_NUMERICHOST;
}
@@ -1337,20 +1414,23 @@ TcpGetOptionProc(
address peername;
socklen_t size = sizeof(peername);
- if ( (statePtr->flags & TCP_ASYNC_PENDING) ) {
+ if (GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) {
/*
* In async connect output an empty string
*/
+
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-peername");
Tcl_DStringAppendElement(dsPtr, "");
} else {
return TCL_OK;
}
- } else if ( getpeername(sock, (LPSOCKADDR) &(peername.sa), &size) == 0) {
+ } else if (getpeername(sock, (LPSOCKADDR) &(peername.sa),
+ &size) == 0) {
/*
* Peername fetch succeeded - output list
*/
+
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-peername");
Tcl_DStringStartSublist(dsPtr);
@@ -1399,11 +1479,12 @@ TcpGetOptionProc(
Tcl_DStringAppendElement(dsPtr, "-sockname");
Tcl_DStringStartSublist(dsPtr);
}
- if ( (statePtr->flags & TCP_ASYNC_PENDING ) ) {
+ if (GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) {
/*
* In async connect output an empty string
*/
- found = 1;
+
+ found = 1;
} else {
for (fds = statePtr->sockets; fds != NULL; fds = fds->next) {
sock = fds->fd;
@@ -1417,9 +1498,11 @@ TcpGetOptionProc(
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).
+ * 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) {
@@ -1503,7 +1586,8 @@ TcpGetOptionProc(
return Tcl_BadChannelOption(interp, optionName,
"connecting peername sockname keepalive nagle");
#else
- return Tcl_BadChannelOption(interp, optionName, "connecting peername sockname");
+ return Tcl_BadChannelOption(interp, optionName,
+ "connecting peername sockname");
#endif /*TCL_FEATURE_KEEPALIVE_NAGLE*/
}
@@ -1544,11 +1628,11 @@ TcpWatchProc(
if (!statePtr->acceptProc) {
statePtr->watchEvents = 0;
- if (mask & TCL_READABLE) {
- statePtr->watchEvents |= (FD_READ|FD_CLOSE);
+ if (GOT_BITS(mask, TCL_READABLE)) {
+ SET_BITS(statePtr->watchEvents, FD_READ | FD_CLOSE);
}
- if (mask & TCL_WRITABLE) {
- statePtr->watchEvents |= (FD_WRITE|FD_CLOSE);
+ if (GOT_BITS(mask, TCL_WRITABLE)) {
+ SET_BITS(statePtr->watchEvents, FD_WRITE | FD_CLOSE);
}
/*
@@ -1639,13 +1723,13 @@ TcpConnect(
TcpState *statePtr)
{
DWORD error;
- /*
- * We are started with async connect and the connect notification
- * was not jet received
- */
- int async_connect = statePtr->flags & TCP_ASYNC_CONNECT;
- /* We were called by the event procedure and continue our loop */
- int async_callback = statePtr->flags & TCP_ASYNC_PENDING;
+ int async_connect = GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT);
+ /* We are started with async connect and the
+ * connect notification was not yet
+ * received. */
+ int async_callback = GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING);
+ /* We were called by the event procedure and
+ * continue our loop. */
ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
if (async_callback) {
@@ -1653,11 +1737,10 @@ TcpConnect(
}
for (statePtr->addr = statePtr->addrlist; statePtr->addr != NULL;
- statePtr->addr = statePtr->addr->ai_next) {
-
- for (statePtr->myaddr = statePtr->myaddrlist; statePtr->myaddr != NULL;
- statePtr->myaddr = statePtr->myaddr->ai_next) {
-
+ statePtr->addr = statePtr->addr->ai_next) {
+ for (statePtr->myaddr = statePtr->myaddrlist;
+ statePtr->myaddr != NULL;
+ statePtr->myaddr = statePtr->myaddr->ai_next) {
/*
* No need to try combinations of local and remote addresses
* of different families.
@@ -1671,25 +1754,37 @@ TcpConnect(
* Close the socket if it is still open from the last unsuccessful
* iteration.
*/
+
if (statePtr->sockets->fd != INVALID_SOCKET) {
closesocket(statePtr->sockets->fd);
}
- /* get statePtr lock */
+ /*
+ * Get statePtr lock.
+ */
+
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
/*
* Reset last error from last try
*/
+
statePtr->notifierConnectError = 0;
Tcl_SetErrno(0);
- statePtr->sockets->fd = socket(statePtr->myaddr->ai_family, SOCK_STREAM, 0);
+ statePtr->sockets->fd = socket(statePtr->myaddr->ai_family,
+ SOCK_STREAM, 0);
+
+ /*
+ * Free list lock.
+ */
- /* Free list lock */
SetEvent(tsdPtr->socketListLock);
- /* continue on socket creation error */
+ /*
+ * Continue on socket creation error.
+ */
+
if (statePtr->sockets->fd == INVALID_SOCKET) {
TclWinConvertError((DWORD) WSAGetLastError());
continue;
@@ -1700,31 +1795,39 @@ TcpConnect(
* processes by default. Turn off the inherit bit.
*/
- SetHandleInformation((HANDLE) statePtr->sockets->fd, HANDLE_FLAG_INHERIT, 0);
+ SetHandleInformation((HANDLE) statePtr->sockets->fd,
+ HANDLE_FLAG_INHERIT, 0);
/*
* Set kernel space buffering
*/
- TclSockMinimumBuffers((void *) statePtr->sockets->fd, TCP_BUFFER_SIZE);
+ TclSockMinimumBuffers((void *) statePtr->sockets->fd,
+ TCP_BUFFER_SIZE);
/*
* Try to bind to a local port.
*/
if (bind(statePtr->sockets->fd, statePtr->myaddr->ai_addr,
- statePtr->myaddr->ai_addrlen) == SOCKET_ERROR) {
+ statePtr->myaddr->ai_addrlen) == SOCKET_ERROR) {
TclWinConvertError((DWORD) WSAGetLastError());
continue;
}
+
/*
* For asyncroneous connect set the socket in nonblocking mode
* and activate connect notification
*/
+
if (async_connect) {
TcpState *statePtr2;
int in_socket_list = 0;
- /* get statePtr lock */
+
+ /*
+ * Get statePtr lock.
+ */
+
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
/*
@@ -1734,8 +1837,8 @@ TcpConnect(
* It is set after this call by TcpThreadActionProc and is set
* on a second round.
*
- * If not, we buffer my statePtr in the tsd memory so it is not
- * lost by the event procedure
+ * If not, we buffer my statePtr in the tsd memory so it is
+ * not lost by the event procedure
*/
for (statePtr2 = tsdPtr->socketList; statePtr2 != NULL;
@@ -1748,21 +1851,27 @@ TcpConnect(
if (!in_socket_list) {
tsdPtr->pendingTcpState = statePtr;
}
+
/*
* Set connect mask to connect events
- * This is activated by a SOCKET_SELECT message to the notifier
- * thread.
+ *
+ * This is activated by a SOCKET_SELECT message to the
+ * notifier thread.
*/
- statePtr->selectEvents |= FD_CONNECT;
+
+ SET_BITS(statePtr->selectEvents, FD_CONNECT);
/*
- * Free list lock
+ * Free list lock.
*/
+
SetEvent(tsdPtr->socketListLock);
- /* activate accept notification */
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
- (LPARAM) statePtr);
+ /*
+ * Activate accept notification.
+ */
+
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
}
/*
@@ -1778,12 +1887,11 @@ TcpConnect(
if (async_connect && error == WSAEWOULDBLOCK) {
/*
* Asynchroneous connect
- */
-
- /*
+ *
* Remember that we jump back behind this next round
*/
- statePtr->flags |= TCP_ASYNC_PENDING;
+
+ SET_BITS(statePtr->flags, TCP_ASYNC_PENDING);
return TCL_OK;
reenter:
@@ -1793,21 +1901,39 @@ TcpConnect(
*
* Clear the reenter flag
*/
- statePtr->flags &= ~(TCP_ASYNC_PENDING);
- /* get statePtr lock */
+
+ CLEAR_BITS(statePtr->flags, TCP_ASYNC_PENDING);
+
+ /*
+ * Get statePtr lock.
+ */
+
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
- /* Get signaled connect error */
+
+ /*
+ * Get signaled connect error.
+ */
+
TclWinConvertError((DWORD) statePtr->notifierConnectError);
- /* Clear eventual connect flag */
- statePtr->selectEvents &= ~(FD_CONNECT);
- /* Free list lock */
+
+ /*
+ * Clear eventual connect flag.
+ */
+
+ CLEAR_BITS(statePtr->selectEvents, FD_CONNECT);
+
+ /*
+ * Free list lock.
+ */
+
SetEvent(tsdPtr->socketListLock);
}
/*
- * Clear the tsd socket list pointer if we did not wait for
- * the FD_CONNECT asyncroneously
+ * Clear the tsd socket list pointer if we did not wait for the
+ * FD_CONNECT asynchronously.
*/
+
tsdPtr->pendingTcpState = NULL;
if (Tcl_GetErrno() == 0) {
@@ -1816,7 +1942,7 @@ TcpConnect(
}
}
-out:
+ out:
/*
* Socket connected or connection failed
*/
@@ -1827,13 +1953,13 @@ out:
CLEAR_BITS(statePtr->flags, TCP_ASYNC_CONNECT);
- if ( Tcl_GetErrno() == 0 ) {
+ if (Tcl_GetErrno() == 0) {
/*
* Succesfully connected
- */
- /*
+ *
* Set up the select mask for read/write events.
*/
+
statePtr->selectEvents = FD_READ | FD_WRITE | FD_CLOSE;
/*
@@ -1841,35 +1967,56 @@ out:
* automatically places the socket into non-blocking mode.
*/
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
- (LPARAM) statePtr);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
} else {
/*
* Connect failed
- */
-
- /*
+ *
* For async connect schedule a writable event to report the fail.
*/
+
if (async_callback) {
/*
* Set up the select mask for read/write events.
*/
+
statePtr->selectEvents = FD_WRITE|FD_READ;
- /* get statePtr lock */
+
+ /*
+ * Get statePtr lock.
+ */
+
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
- /* Signal ready readable and writable events */
- statePtr->readyEvents |= FD_WRITE | FD_READ;
- /* Flag error to event routine */
- statePtr->flags |= TCP_ASYNC_FAILED;
- /* Save connect error to be reported by 'fconfigure -error' */
+
+ /*
+ * Signal ready readable and writable events.
+ */
+
+ SET_BITS(statePtr->readyEvents, FD_WRITE | FD_READ);
+
+ /*
+ * Flag error to event routine.
+ */
+
+ SET_BITS(statePtr->flags, TCP_ASYNC_FAILED);
+
+ /*
+ * Save connect error to be reported by 'fconfigure -error'.
+ */
+
statePtr->connectError = Tcl_GetErrno();
- /* Free list lock */
+
+ /*
+ * Free list lock.
+ */
+
SetEvent(tsdPtr->socketListLock);
}
+
/*
* Error message on syncroneous connect
*/
+
if (interp != NULL) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"couldn't open socket: %s", Tcl_PosixError(interp)));
@@ -1947,7 +2094,7 @@ Tcl_OpenTcpClient(
statePtr->addrlist = addrlist;
statePtr->myaddrlist = myaddrlist;
if (async) {
- statePtr->flags |= TCP_ASYNC_CONNECT;
+ SET_BITS(statePtr->flags, TCP_ASYNC_CONNECT);
}
/*
@@ -2017,7 +2164,7 @@ Tcl_MakeTcpClientChannel(
*/
statePtr->selectEvents = FD_READ | FD_CLOSE | FD_WRITE;
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM)SELECT, (LPARAM)statePtr);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
sprintf(channelName, SOCK_TEMPLATE, statePtr);
statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
@@ -2029,7 +2176,7 @@ Tcl_MakeTcpClientChannel(
/*
*----------------------------------------------------------------------
*
- * Tcl_OpenTcpServer --
+ * Tcl_OpenTcpServerEx --
*
* Opens a TCP server socket and creates a channel around it.
*
@@ -2044,10 +2191,11 @@ Tcl_MakeTcpClientChannel(
*/
Tcl_Channel
-Tcl_OpenTcpServer(
+Tcl_OpenTcpServerEx(
Tcl_Interp *interp, /* For error reporting - may be NULL. */
- int port, /* Port number to open. */
+ const char *service, /* Port number to open. */
const char *myHost, /* Name of local host. */
+ unsigned int flags, /* Flags. */
Tcl_TcpAcceptProc *acceptProc,
/* Callback for accepting connections from new
* clients. */
@@ -2061,6 +2209,7 @@ Tcl_OpenTcpServer(
char channelName[SOCK_CHAN_LENGTH];
u_long flag = 1; /* Indicates nonblocking mode. */
const char *errorMsg = NULL;
+ int optvalue, port;
if (TclpHasSockets(interp) != TCL_OK) {
return NULL;
@@ -2080,7 +2229,13 @@ Tcl_OpenTcpServer(
* Construct the addresses for each end of the socket.
*/
- if (!TclCreateSocketAddress(interp, &addrlist, myHost, port, 1, &errorMsg)) {
+ if (TclSockGetPort(interp, service, "tcp", &port) != TCL_OK) {
+ errorMsg = "invalid port number";
+ goto error;
+ }
+
+ if (!TclCreateSocketAddress(interp, &addrlist, myHost, port, 1,
+ &errorMsg)) {
goto error;
}
@@ -2119,17 +2274,26 @@ Tcl_OpenTcpServer(
}
/*
- * 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.
+ * The SO_REUSEADDR option on Windows behaves like SO_REUSEPORT on
+ * unix systems.
+ */
+
+ if (GOT_BITS(flags, TCL_TCPSERVER_REUSEPORT)) {
+ optvalue = 1;
+ (void) setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
+ (char *) &optvalue, sizeof(optvalue));
+ }
+
+ /*
+ * Bind to the specified port.
*
* 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.
*/
- if (bind(sock, addrPtr->ai_addr, addrPtr->ai_addrlen)
- == SOCKET_ERROR) {
+ if (bind(sock, addrPtr->ai_addr,
+ addrPtr->ai_addrlen) == SOCKET_ERROR) {
TclWinConvertError((DWORD) WSAGetLastError());
closesocket(sock);
continue;
@@ -2164,13 +2328,14 @@ Tcl_OpenTcpServer(
/*
* Add this socket to the global list of sockets.
*/
+
statePtr = NewSocketInfo(sock);
} else {
- AddSocketInfoFd( statePtr, sock );
+ AddSocketInfoFd(statePtr, sock);
}
}
-error:
+ error:
if (addrlist != NULL) {
freeaddrinfo(addrlist);
}
@@ -2195,8 +2360,7 @@ error:
*/
ioctlsocket(sock, (long) FIONBIO, &flag);
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
- (LPARAM) statePtr);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
if (Tcl_SetChannelOption(interp, statePtr->channel, "-eofchar", "")
== TCL_ERROR) {
Tcl_Close(NULL, statePtr->channel);
@@ -2265,8 +2429,7 @@ TcpAccept(
*/
newInfoPtr->selectEvents = (FD_READ | FD_WRITE | FD_CLOSE);
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
- (LPARAM) newInfoPtr);
+ SendSelectMessage(tsdPtr, SELECT, newInfoPtr);
sprintf(channelName, SOCK_TEMPLATE, newInfoPtr);
newInfoPtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
@@ -2336,7 +2499,7 @@ InitSockets(void)
windowClass.hInstance = TclWinGetTclInstance();
windowClass.hbrBackground = NULL;
windowClass.lpszMenuName = NULL;
- windowClass.lpszClassName = classname;
+ windowClass.lpszClassName = className;
windowClass.lpfnWndProc = SocketProc;
windowClass.hIcon = NULL;
windowClass.hCursor = NULL;
@@ -2466,7 +2629,7 @@ SocketExitHandler(
*/
TclpFinalizeSockets();
- UnregisterClass(classname, TclWinGetTclInstance());
+ UnregisterClass(className, TclWinGetTclInstance());
initialized = 0;
Tcl_MutexUnlock(&socketMutex);
}
@@ -2497,7 +2660,7 @@ SocketSetupProc(
Tcl_Time blockTime = { 0, 0 };
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
- if (!(flags & TCL_FILE_EVENTS)) {
+ if (!GOT_BITS(flags, TCL_FILE_EVENTS)) {
return;
}
@@ -2507,9 +2670,8 @@ SocketSetupProc(
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
for (statePtr = tsdPtr->socketList; statePtr != NULL;
statePtr = statePtr->nextPtr) {
- if (statePtr->readyEvents &
- (statePtr->watchEvents | FD_CONNECT | FD_ACCEPT)
- ) {
+ if (GOT_BITS(statePtr->readyEvents,
+ statePtr->watchEvents | FD_CONNECT | FD_ACCEPT)) {
Tcl_SetMaxBlockTime(&blockTime);
break;
}
@@ -2543,7 +2705,7 @@ SocketCheckProc(
SocketEvent *evPtr;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
- if (!(flags & TCL_FILE_EVENTS)) {
+ if (!GOT_BITS(flags, TCL_FILE_EVENTS)) {
return;
}
@@ -2556,11 +2718,10 @@ SocketCheckProc(
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
for (statePtr = tsdPtr->socketList; statePtr != NULL;
statePtr = statePtr->nextPtr) {
- if ((statePtr->readyEvents &
- (statePtr->watchEvents | FD_CONNECT | FD_ACCEPT))
- && !(statePtr->flags & SOCKET_PENDING)
- ) {
- statePtr->flags |= SOCKET_PENDING;
+ if (GOT_BITS(statePtr->readyEvents,
+ statePtr->watchEvents | FD_CONNECT | FD_ACCEPT)
+ && !GOT_BITS(statePtr->flags, SOCKET_PENDING)) {
+ SET_BITS(statePtr->flags, SOCKET_PENDING);
evPtr = ckalloc(sizeof(SocketEvent));
evPtr->header.proc = SocketEventProc;
evPtr->socket = statePtr->sockets->fd;
@@ -2606,7 +2767,7 @@ SocketEventProc(
address addr;
int len;
- if (!(flags & TCL_FILE_EVENTS)) {
+ if (!GOT_BITS(flags, TCL_FILE_EVENTS)) {
return 0;
}
@@ -2635,29 +2796,26 @@ SocketEventProc(
* Clear flag that (this) event is pending
*/
- statePtr->flags &= ~SOCKET_PENDING;
+ CLEAR_BITS(statePtr->flags, SOCKET_PENDING);
/*
* Continue async connect if pending and ready
*/
- if ( statePtr->readyEvents & FD_CONNECT ) {
- if ( statePtr->flags & TCP_ASYNC_PENDING ) {
-
+ if (GOT_BITS(statePtr->readyEvents, FD_CONNECT)) {
+ if (GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) {
/*
* Do one step and save eventual connect error
*/
SetEvent(tsdPtr->socketListLock);
WaitForConnect(statePtr,NULL);
-
} else {
-
/*
* No async connect reenter pending. Just clear event.
*/
- statePtr->readyEvents &= ~(FD_CONNECT);
+ CLEAR_BITS(statePtr->readyEvents, FD_CONNECT);
SetEvent(tsdPtr->socketListLock);
}
return 1;
@@ -2666,20 +2824,23 @@ SocketEventProc(
/*
* Handle connection requests directly.
*/
- if (statePtr->readyEvents & FD_ACCEPT) {
- for (fds = statePtr->sockets; fds != NULL; fds = fds->next) {
+ if (GOT_BITS(statePtr->readyEvents, FD_ACCEPT)) {
+ for (fds = statePtr->sockets; fds != NULL; fds = fds->next) {
/*
- * Accept the incoming connection request.
- */
- len = sizeof(address);
+ * Accept the incoming connection request.
+ */
+ len = sizeof(address);
newSocket = accept(fds->fd, &(addr.sa), &len);
- /* On Tcl server sockets with multiple OS fds we loop over the fds trying
- * an accept() on each, so we expect INVALID_SOCKET. There are also other
- * network stack conditions that can result in FD_ACCEPT but a subsequent
- * failure on accept() by the time we get around to it.
+ /*
+ * On Tcl server sockets with multiple OS fds we loop over the fds
+ * trying an accept() on each, so we expect INVALID_SOCKET. There
+ * are also other network stack conditions that can result in
+ * FD_ACCEPT but a subsequent failure on accept() by the time we
+ * get around to it.
+ *
* Access to sockets (acceptEventCount, readyEvents) in socketList
* is still protected by the lock (prevents reintroduction of
* SF Tcl Bug 3056775.
@@ -2691,35 +2852,40 @@ SocketEventProc(
}
/*
- * It is possible that more than one FD_ACCEPT has been sent, so an extra
- * count must be kept. Decrement the count, and reset the readyEvent bit
- * if the count is no longer > 0.
+ * It is possible that more than one FD_ACCEPT has been sent, so
+ * an extra count must be kept. Decrement the count, and reset the
+ * readyEvent bit if the count is no longer > 0.
*/
+
statePtr->acceptEventCount--;
if (statePtr->acceptEventCount <= 0) {
- statePtr->readyEvents &= ~(FD_ACCEPT);
+ CLEAR_BITS(statePtr->readyEvents, FD_ACCEPT);
}
SetEvent(tsdPtr->socketListLock);
- /* Caution: TcpAccept() has the side-effect of evaluating the server
- * accept script (via AcceptCallbackProc() in tclIOCmd.c), which can
- * close the server socket and invalidate statePtr and fds.
- * If TcpAccept() accepts a socket we must return immediately and let
- * SocketCheckProc queue additional FD_ACCEPT events.
+ /*
+ * Caution: TcpAccept() has the side-effect of evaluating the
+ * server accept script (via AcceptCallbackProc() in tclIOCmd.c),
+ * which can close the server socket and invalidate statePtr and
+ * fds. If TcpAccept() accepts a socket we must return immediately
+ * and let SocketCheckProc queue additional FD_ACCEPT events.
*/
+
TcpAccept(fds, newSocket, addr);
return 1;
}
- /* Loop terminated with no sockets accepted; clear the ready mask so
+ /*
+ * Loop terminated with no sockets accepted; clear the ready mask so
* we can detect the next connection request. Note that connection
* requests are level triggered, so if there is a request already
* pending, a new event will be generated.
*/
+
statePtr->acceptEventCount = 0;
- statePtr->readyEvents &= ~(FD_ACCEPT);
+ CLEAR_BITS(statePtr->readyEvents, FD_ACCEPT);
SetEvent(tsdPtr->socketListLock);
return 1;
@@ -2734,7 +2900,7 @@ SocketEventProc(
events = statePtr->readyEvents & statePtr->watchEvents;
- if (events & FD_CLOSE) {
+ if (GOT_BITS(events, FD_CLOSE)) {
/*
* If the socket was closed and the channel is still interested in
* read events, then we need to ensure that we keep polling for this
@@ -2748,17 +2914,14 @@ SocketEventProc(
Tcl_Time blockTime = { 0, 0 };
Tcl_SetMaxBlockTime(&blockTime);
- mask |= TCL_READABLE|TCL_WRITABLE;
- } else if (events & FD_READ) {
-
+ SET_BITS(mask, TCL_READABLE | TCL_WRITABLE);
+ } else if (GOT_BITS(events, FD_READ)) {
/*
* Throw the readable event if an async connect failed.
*/
- if ( statePtr->flags & TCP_ASYNC_FAILED ) {
-
- mask |= TCL_READABLE;
-
+ if (GOT_BITS(statePtr->flags, TCP_ASYNC_FAILED)) {
+ SET_BITS(mask, TCL_READABLE);
} else {
fd_set readFds;
struct timeval timeout;
@@ -2771,8 +2934,7 @@ SocketEventProc(
* async select handler and keep waiting.
*/
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
- (WPARAM) UNSELECT, (LPARAM) statePtr);
+ SendSelectMessage(tsdPtr, UNSELECT, statePtr);
FD_ZERO(&readFds);
FD_SET(statePtr->sockets->fd, &readFds);
@@ -2780,11 +2942,10 @@ SocketEventProc(
timeout.tv_sec = 0;
if (select(0, &readFds, NULL, NULL, &timeout) != 0) {
- mask |= TCL_READABLE;
+ SET_BITS(mask, TCL_READABLE);
} else {
- statePtr->readyEvents &= ~(FD_READ);
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
- (WPARAM) SELECT, (LPARAM) statePtr);
+ CLEAR_BITS(statePtr->readyEvents, FD_READ);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
}
}
}
@@ -2793,8 +2954,8 @@ SocketEventProc(
* writable event
*/
- if (events & FD_WRITE) {
- mask |= TCL_WRITABLE;
+ if (GOT_BITS(events, FD_WRITE)) {
+ SET_BITS(mask, TCL_WRITABLE);
}
/*
@@ -2831,13 +2992,19 @@ AddSocketInfoFd(
{
TcpFdList *fds = statePtr->sockets;
- if ( fds == NULL ) {
- /* Add the first FD */
+ if (fds == NULL) {
+ /*
+ * Add the first FD.
+ */
+
statePtr->sockets = ckalloc(sizeof(TcpFdList));
fds = statePtr->sockets;
} else {
- /* Find end of list and append FD */
- while ( fds->next != NULL ) {
+ /*
+ * Find end of list and append FD.
+ */
+
+ while (fds->next != NULL) {
fds = fds->next;
}
@@ -2845,7 +3012,10 @@ AddSocketInfoFd(
fds = fds->next;
}
- /* Populate new FD */
+ /*
+ * Populate new FD.
+ */
+
fds->fd = socket;
fds->statePtr = statePtr;
fds->next = NULL;
@@ -2915,6 +3085,7 @@ WaitForSocketEvent(
int result = 1;
int oldMode;
ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
+
/*
* Be sure to disable event servicing so we are truly modal.
*/
@@ -2925,29 +3096,42 @@ WaitForSocketEvent(
* Reset WSAAsyncSelect so we have a fresh set of events pending.
*/
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) UNSELECT,
- (LPARAM) statePtr);
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
- (LPARAM) statePtr);
+ SendSelectMessage(tsdPtr, UNSELECT, statePtr);
+ SendSelectMessage(tsdPtr, SELECT, statePtr);
while (1) {
int event_found;
- /* get statePtr lock */
+ /*
+ * Get statePtr lock.
+ */
+
WaitForSingleObject(tsdPtr->socketListLock, INFINITE);
- /* Check if event occured */
- event_found = (statePtr->readyEvents & events);
+ /*
+ * Check if event occured.
+ */
+
+ event_found = GOT_BITS(statePtr->readyEvents, events);
+
+ /*
+ * Free list lock.
+ */
- /* Free list lock */
SetEvent(tsdPtr->socketListLock);
- /* exit loop if event occured */
+ /*
+ * Exit loop if event occured.
+ */
+
if (event_found) {
break;
}
- /* Exit loop if event did not occur but this is a non-blocking channel */
+ /*
+ * Exit loop if event did not occur but this is a non-blocking channel
+ */
+
if (statePtr->flags & TCP_NONBLOCKING) {
*errorCodePtr = EWOULDBLOCK;
result = 0;
@@ -2992,7 +3176,7 @@ SocketThread(
* Create a dummy window receiving socket events.
*/
- tsdPtr->hwnd = CreateWindow(classname, classname, WS_TILED, 0, 0, 0, 0,
+ tsdPtr->hwnd = CreateWindow(className, className, WS_TILED, 0, 0, 0, 0,
NULL, NULL, windowClass.hInstance, arg);
/*
@@ -3104,55 +3288,59 @@ SocketProc(
for (statePtr = tsdPtr->socketList; statePtr != NULL;
statePtr = statePtr->nextPtr) {
- if ( FindFDInList(statePtr,socket) ) {
+ if (FindFDInList(statePtr, socket)) {
info_found = 1;
break;
}
}
+
/*
- * Check if there is a pending info structure not jet in the
- * list
+ * Check if there is a pending info structure not jet in the list.
*/
- if ( !info_found
+
+ if (!info_found
&& tsdPtr->pendingTcpState != NULL
- && FindFDInList(tsdPtr->pendingTcpState,socket) ) {
+ && FindFDInList(tsdPtr->pendingTcpState, socket)) {
statePtr = tsdPtr->pendingTcpState;
info_found = 1;
}
if (info_found) {
-
/*
* Update the socket state.
*
* A count of FD_ACCEPTS is stored, so if an FD_CLOSE event
- * happens, then clear the FD_ACCEPT count. Otherwise,
- * increment the count if the current event is an FD_ACCEPT.
+ * happens, then clear the FD_ACCEPT count. Otherwise, increment
+ * the count if the current event is an FD_ACCEPT.
*/
- if (event & FD_CLOSE) {
+ if (GOT_BITS(event, FD_CLOSE)) {
statePtr->acceptEventCount = 0;
- statePtr->readyEvents &= ~(FD_WRITE|FD_ACCEPT);
- } else if (event & FD_ACCEPT) {
+ CLEAR_BITS(statePtr->readyEvents, FD_WRITE | FD_ACCEPT);
+ } else if (GOT_BITS(event, FD_ACCEPT)) {
statePtr->acceptEventCount++;
}
- if (event & FD_CONNECT) {
+ if (GOT_BITS(event, FD_CONNECT)) {
/*
* Remember any error that occurred so we can report
* connection failures.
*/
+
if (error != ERROR_SUCCESS) {
statePtr->notifierConnectError = error;
}
}
+
/*
* Inform main thread about signaled events
*/
- statePtr->readyEvents |= event;
+
+ SET_BITS(statePtr->readyEvents, event);
/*
* Wake up the Main Thread.
*/
+
SetEvent(tsdPtr->readyEvent);
Tcl_ThreadAlert(tsdPtr->threadId);
}
@@ -3233,6 +3421,7 @@ FindFDInList(
*----------------------------------------------------------------------
*/
+#ifndef TCL_NO_DEPRECATED
#undef TclWinGetSockOpt
int
TclWinGetSockOpt(
@@ -3272,6 +3461,7 @@ TclWinGetServByName(
{
return getservbyname(name, proto);
}
+#endif /* TCL_NO_DEPRECATED */
/*
*----------------------------------------------------------------------
@@ -3361,8 +3551,7 @@ TcpThreadActionProc(
* thread.
*/
- SendMessage(tsdPtr->hwnd, SOCKET_SELECT,
- (WPARAM) notifyCmd, (LPARAM) statePtr);
+ SendSelectMessage(tsdPtr, notifyCmd, statePtr);
}
/*