Tcl Source Code

Changes On Branch tip-456
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Changes In Branch tip-456 Excluding Merge-Ins

This is equivalent to a diff from 40163c3c57 to 78d4429e3b

2017-04-10
11:01
Merge "tip-468" branch. Add new function Tcl_OpenTcpClientEx() with same change as Tcl_OpenTcpServer... Leaf check-in: 97a181d1d6 user: jan.nijtmans tags: tip-468-bis
2017-01-11
14:10
Merge core-8-6-branch. Do gcc-compiles with the option -Wwrite-strings, so we can detect mis-usage ... check-in: 81fb7a2a5e user: jan.nijtmans tags: trunk
2017-01-10
14:35
Further experimental follow-up: Add internal function TclOpenTcpClientEx(), as companion to Tcl_Open... Closed-Leaf check-in: 78d4429e3b user: jan.nijtmans tags: tip-456
13:56
Experimental follow-up: Change internal TclCreateSocketAddress() signature, from using "int port" to... check-in: 3b3fac1cee user: jan.nijtmans tags: tip-456
2017-01-09
19:09
New performance measurement routine "timerate" in opposition to "time" the execution limited by fixe... check-in: 886773ba3b user: sebres tags: sebres-trunk-timerate
18:28
Merge fix clock test-cases from 8.6: Make test clock-67.5 time zone independent - execution fails in... check-in: 40163c3c57 user: sebres tags: trunk
18:23
Fix clock test-cases: Make test clock-67.5 time zone independent - execution fails in the time zones... check-in: 77e3007f1a user: sebres tags: core-8-6-branch
17:53
Merge bug_b87ad7e914 check-in: ea80926604 user: sebres tags: trunk

Changes to generic/tclIOCmd.c.

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	"-async", "-myaddr", "-myport", "-reuseaddr", "-reuseport", "-server",
	NULL
    };
    enum socketOptions {
	SKT_ASYNC, SKT_MYADDR, SKT_MYPORT, SKT_REUSEADDR, SKT_REUSEPORT,
	SKT_SERVER
    };
    int optionIndex, a, server = 0, myport = 0, async = 0, reusep = -1,
	reusea = -1;
    unsigned int flags = 0;
    const char *host, *port, *myaddr = NULL;
    Tcl_Obj *script = NULL;
    Tcl_Channel chan;

    if (TclpHasSockets(interp) != TCL_OK) {
	return TCL_ERROR;
    }

................................................................................
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"no argument given for -myaddr option", -1));
		return TCL_ERROR;
	    }
	    myaddr = TclGetString(objv[a]);
	    break;
	case SKT_MYPORT: {
	    const char *myPortName;

	    a++;
	    if (a >= objc) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"no argument given for -myport option", -1));
		return TCL_ERROR;
	    }
	    myPortName = TclGetString(objv[a]);
	    if (TclSockGetPort(interp, myPortName, "tcp", &myport) != TCL_OK) {
		return TCL_ERROR;
	    }
	    break;
	}
	case SKT_SERVER:
	    if (async == 1) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"cannot set -async option for server sockets", -1));
		return TCL_ERROR;
................................................................................
	 * Register a close callback. This callback will inform the
	 * interpreter (if it still exists) that this channel does not need to
	 * be informed when the interpreter is deleted.
	 */

	Tcl_CreateCloseHandler(chan, TcpServerCloseProc, acceptCallbackPtr);
    } else {
	int portNum;

	if (TclSockGetPort(interp, port, "tcp", &portNum) != TCL_OK) {
	    return TCL_ERROR;
	}

	chan = Tcl_OpenTcpClient(interp, portNum, host, myaddr, myport, async);
	if (chan == NULL) {
	    return TCL_ERROR;
	}
    }

    Tcl_RegisterChannel(interp, chan);
    Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_GetChannelName(chan), -1));






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	"-async", "-myaddr", "-myport", "-reuseaddr", "-reuseport", "-server",
	NULL
    };
    enum socketOptions {
	SKT_ASYNC, SKT_MYADDR, SKT_MYPORT, SKT_REUSEADDR, SKT_REUSEPORT,
	SKT_SERVER
    };
    int optionIndex, a, server = 0, async = 0, reusep = -1,
	reusea = -1;
    unsigned int flags = 0;
    const char *host, *port, *myaddr = NULL, *myport = NULL;
    Tcl_Obj *script = NULL;
    Tcl_Channel chan;

    if (TclpHasSockets(interp) != TCL_OK) {
	return TCL_ERROR;
    }

................................................................................
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"no argument given for -myaddr option", -1));
		return TCL_ERROR;
	    }
	    myaddr = TclGetString(objv[a]);
	    break;
	case SKT_MYPORT: {


	    a++;
	    if (a >= objc) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"no argument given for -myport option", -1));
		return TCL_ERROR;
	    }
	    myport = TclGetString(objv[a]);



	    break;
	}
	case SKT_SERVER:
	    if (async == 1) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"cannot set -async option for server sockets", -1));
		return TCL_ERROR;
................................................................................
	 * Register a close callback. This callback will inform the
	 * interpreter (if it still exists) that this channel does not need to
	 * be informed when the interpreter is deleted.
	 */

	Tcl_CreateCloseHandler(chan, TcpServerCloseProc, acceptCallbackPtr);
    } else {






	chan = TclOpenTcpClientEx(interp, port, host, myaddr, myport, async);
	if (chan == NULL) {
	    return TCL_ERROR;
	}
    }

    Tcl_RegisterChannel(interp, chan);
    Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_GetChannelName(chan), -1));

Changes to generic/tclIOSock.c.

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int
TclCreateSocketAddress(
    Tcl_Interp *interp,		/* Interpreter for querying the desired socket
				 * family */
    struct addrinfo **addrlist,	/* Socket address list */
    const char *host,		/* Host. NULL implies INADDR_ANY */
    int port,			/* Port number */
    int willBind,		/* Is this an address to bind() to or to
				 * connect() to? */
    const char **errorMsgPtr)	/* Place to store the error message detail, if
				 * available. */
{
    struct addrinfo hints;
    struct addrinfo *p;
    struct addrinfo *v4head = NULL, *v4ptr = NULL;
    struct addrinfo *v6head = NULL, *v6ptr = NULL;
    char *native = NULL, portbuf[TCL_INTEGER_SPACE], *portstring;
    const char *family = NULL;
    Tcl_DString ds;
    int result;

    if (host != NULL) {
	native = Tcl_UtfToExternalDString(NULL, host, -1, &ds);
    }

    /*
     * Workaround for OSX's apparent inability to resolve "localhost", "0"
     * when the loopback device is the only available network interface.
     */

    if (host != NULL && port == 0) {
	portstring = NULL;
    } else {
	TclFormatInt(portbuf, port);
	portstring = portbuf;
    }

    (void) memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_UNSPEC;

    /*
     * Magic variable to enforce a certain address family; to be superseded
................................................................................
#endif /* AI_ADDRCONFIG && !_AIX && !__hpux */
#endif /* 0 */

    if (willBind) {
	hints.ai_flags |= AI_PASSIVE;
    }

    result = getaddrinfo(native, portstring, &hints, addrlist);

    if (host != NULL) {
	Tcl_DStringFree(&ds);
    }

    if (result != 0) {
	*errorMsgPtr =






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int
TclCreateSocketAddress(
    Tcl_Interp *interp,		/* Interpreter for querying the desired socket
				 * family */
    struct addrinfo **addrlist,	/* Socket address list */
    const char *host,		/* Host. NULL implies INADDR_ANY */
    const char *service,	/* Service */
    int willBind,		/* Is this an address to bind() to or to
				 * connect() to? */
    const char **errorMsgPtr)	/* Place to store the error message detail, if
				 * available. */
{
    struct addrinfo hints;
    struct addrinfo *p;
    struct addrinfo *v4head = NULL, *v4ptr = NULL;
    struct addrinfo *v6head = NULL, *v6ptr = NULL;
    char *native = NULL;
    const char *family = NULL;
    Tcl_DString ds;
    int result;

    if (host != NULL) {
	native = Tcl_UtfToExternalDString(NULL, host, -1, &ds);
    }

    /*
     * Workaround for OSX's apparent inability to resolve "localhost", "0"
     * when the loopback device is the only available network interface.
     */

    if (host != NULL && service != NULL && !strcmp(service, "0")) {
       service = NULL;



    }

    (void) memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_UNSPEC;

    /*
     * Magic variable to enforce a certain address family; to be superseded
................................................................................
#endif /* AI_ADDRCONFIG && !_AIX && !__hpux */
#endif /* 0 */

    if (willBind) {
	hints.ai_flags |= AI_PASSIVE;
    }

    result = getaddrinfo(native, service, &hints, addrlist);

    if (host != NULL) {
	Tcl_DStringFree(&ds);
    }

    if (result != 0) {
	*errorMsgPtr =

Changes to generic/tclInt.h.

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MODULE_SCOPE int	TclpDeleteFile(const void *path);
MODULE_SCOPE void	TclpFinalizeCondition(Tcl_Condition *condPtr);
MODULE_SCOPE void	TclpFinalizeMutex(Tcl_Mutex *mutexPtr);
MODULE_SCOPE void	TclpFinalizePipes(void);
MODULE_SCOPE void	TclpFinalizeSockets(void);
MODULE_SCOPE int	TclCreateSocketAddress(Tcl_Interp *interp,
			    struct addrinfo **addrlist,
			    const char *host, int port, int willBind,
			    const char **errorMsgPtr);




MODULE_SCOPE int	TclpThreadCreate(Tcl_ThreadId *idPtr,
			    Tcl_ThreadCreateProc *proc, ClientData clientData,
			    int stackSize, int flags);
MODULE_SCOPE int	TclpFindVariable(const char *name, int *lengthPtr);
MODULE_SCOPE void	TclpInitLibraryPath(char **valuePtr,
			    size_t *lengthPtr, Tcl_Encoding *encodingPtr);
MODULE_SCOPE void	TclpInitLock(void);






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MODULE_SCOPE int	TclpDeleteFile(const void *path);
MODULE_SCOPE void	TclpFinalizeCondition(Tcl_Condition *condPtr);
MODULE_SCOPE void	TclpFinalizeMutex(Tcl_Mutex *mutexPtr);
MODULE_SCOPE void	TclpFinalizePipes(void);
MODULE_SCOPE void	TclpFinalizeSockets(void);
MODULE_SCOPE int	TclCreateSocketAddress(Tcl_Interp *interp,
			    struct addrinfo **addrlist,
			    const char *host, const char *service, int willBind,
			    const char **errorMsgPtr);
Tcl_Channel		TclOpenTcpClientEx(Tcl_Interp *interp,
			    const char *service, const char *host,
			    const char *myaddr,	const char *myservice,
			    unsigned int flags);
MODULE_SCOPE int	TclpThreadCreate(Tcl_ThreadId *idPtr,
			    Tcl_ThreadCreateProc *proc, ClientData clientData,
			    int stackSize, int flags);
MODULE_SCOPE int	TclpFindVariable(const char *name, int *lengthPtr);
MODULE_SCOPE void	TclpInitLibraryPath(char **valuePtr,
			    size_t *lengthPtr, Tcl_Encoding *encodingPtr);
MODULE_SCOPE void	TclpInitLock(void);

Changes to unix/tclUnixSock.c.

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    int port,			/* Port number to open. */
    const char *host,		/* Host on which to open port. */
    const char *myaddr,		/* Client-side address */
    int myport,			/* Client-side port */
    int async)			/* If nonzero, attempt to do an asynchronous
				 * connect. Otherwise we do a blocking
				 * connect. */



















{
    TcpState *statePtr;
    const char *errorMsg = NULL;
    struct addrinfo *addrlist = NULL, *myaddrlist = NULL;
    char channelName[SOCK_CHAN_LENGTH];

    /*
     * Do the name lookups for the local and remote addresses.
     */

    if (!TclCreateSocketAddress(interp, &addrlist, host, port, 0, &errorMsg)
            || !TclCreateSocketAddress(interp, &myaddrlist, myaddr, myport, 1,
                    &errorMsg)) {
        if (addrlist != NULL) {
            freeaddrinfo(addrlist);
        }
        if (interp != NULL) {
            Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                    "couldn't open socket: %s", errorMsg));
................................................................................
    }

    /*
     * Allocate a new TcpState for this socket.
     */
    statePtr = ckalloc(sizeof(TcpState));
    memset(statePtr, 0, sizeof(TcpState));
    statePtr->flags = async ? TCP_ASYNC_CONNECT : 0;
    statePtr->cachedBlocking = TCL_MODE_BLOCKING;
    statePtr->addrlist = addrlist;
    statePtr->myaddrlist = myaddrlist;
    statePtr->fds.fd = -1;

    /*
     * Create a new client socket and wrap it in a channel.
................................................................................
    chosenport = 0;

    if (TclSockGetPort(interp, service, "tcp", &port) != TCL_OK) {
	errorMsg = "invalid port number";
	goto error;
    }

    if (!TclCreateSocketAddress(interp, &addrlist, myHost, port, 1, &errorMsg)) {
	my_errno = errno;
	goto error;
    }

    for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
	sock = socket(addrPtr->ai_family, addrPtr->ai_socktype,
                addrPtr->ai_protocol);






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    int port,			/* Port number to open. */
    const char *host,		/* Host on which to open port. */
    const char *myaddr,		/* Client-side address */
    int myport,			/* Client-side port */
    int async)			/* If nonzero, attempt to do an asynchronous
				 * connect. Otherwise we do a blocking
				 * connect. */
{
    char service[TCL_INTEGER_SPACE], myservice[TCL_INTEGER_SPACE];

    TclFormatInt(service, port);
    TclFormatInt(myservice, myport);

    return TclOpenTcpClientEx(interp, service, host, myaddr, myservice, async!=0);
}

Tcl_Channel
TclOpenTcpClientEx(
    Tcl_Interp *interp,		/* For error reporting; can be NULL. */
    const char *service,	/* Port number to open. */
    const char *host,		/* Host on which to open port. */
    const char *myaddr,		/* Client-side address */
    const char *myservice,	/* Client-side port */
    unsigned int flags)		/* If nonzero, attempt to do an asynchronous
				 * connect. Otherwise we do a blocking
				 * connect. */
{
    TcpState *statePtr;
    const char *errorMsg = NULL;
    struct addrinfo *addrlist = NULL, *myaddrlist = NULL;
    char channelName[SOCK_CHAN_LENGTH];





    if (!TclCreateSocketAddress(interp, &addrlist, host, service, 0, &errorMsg)
            || !TclCreateSocketAddress(interp, &myaddrlist, myaddr, myservice, 1,
                    &errorMsg)) {
        if (addrlist != NULL) {
            freeaddrinfo(addrlist);
        }
        if (interp != NULL) {
            Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                    "couldn't open socket: %s", errorMsg));
................................................................................
    }

    /*
     * Allocate a new TcpState for this socket.
     */
    statePtr = ckalloc(sizeof(TcpState));
    memset(statePtr, 0, sizeof(TcpState));
    statePtr->flags = (flags&1) ? TCP_ASYNC_CONNECT : 0;
    statePtr->cachedBlocking = TCL_MODE_BLOCKING;
    statePtr->addrlist = addrlist;
    statePtr->myaddrlist = myaddrlist;
    statePtr->fds.fd = -1;

    /*
     * Create a new client socket and wrap it in a channel.
................................................................................
    chosenport = 0;

    if (TclSockGetPort(interp, service, "tcp", &port) != TCL_OK) {
	errorMsg = "invalid port number";
	goto error;
    }

    if (!TclCreateSocketAddress(interp, &addrlist, myHost, service, 1, &errorMsg)) {
	my_errno = errno;
	goto error;
    }

    for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
	sock = socket(addrPtr->ai_family, addrPtr->ai_socktype,
                addrPtr->ai_protocol);

Changes to win/tclWinSock.c.

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    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_OpenTcpClient --
 *
 *	Opens a TCP client socket and creates a channel around it.
 *
 * Results:
 *	The channel or NULL if failed. An error message is returned in the
 *	interpreter on failure.
 *
................................................................................
    int port,			/* Port number to open. */
    const char *host,		/* Host on which to open port. */
    const char *myaddr,		/* Client-side address */
    int myport,			/* Client-side port */
    int async)			/* If nonzero, attempt to do an asynchronous
				 * connect. Otherwise we do a blocking
				 * connect. */



















{
    TcpState *statePtr;
    const char *errorMsg = NULL;
    struct addrinfo *addrlist = NULL, *myaddrlist = NULL;
    char channelName[SOCK_CHAN_LENGTH];

    if (TclpHasSockets(interp) != TCL_OK) {
................................................................................
	return NULL;
    }

    /*
     * Do the name lookups for the local and remote addresses.
     */

    if (!TclCreateSocketAddress(interp, &addrlist, host, port, 0, &errorMsg)
            || !TclCreateSocketAddress(interp, &myaddrlist, myaddr, myport, 1,
                    &errorMsg)) {
        if (addrlist != NULL) {
            freeaddrinfo(addrlist);
        }
        if (interp != NULL) {
            Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                    "couldn't open socket: %s", errorMsg));
................................................................................
        }
        return NULL;
    }

    statePtr = NewSocketInfo(INVALID_SOCKET);
    statePtr->addrlist = addrlist;
    statePtr->myaddrlist = myaddrlist;
    if (async) {
	statePtr->flags |= TCP_ASYNC_CONNECT;
    }

    /*
     * Create a new client socket and wrap it in a channel.
     */
    if (TcpConnect(interp, statePtr) != TCL_OK) {
................................................................................
     */

    if (TclSockGetPort(interp, service, "tcp", &port) != TCL_OK) {
	errorMsg = "invalid port number";
	goto error;
    }

    if (!TclCreateSocketAddress(interp, &addrlist, myHost, port, 1, &errorMsg)) {
	goto error;
    }

    for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
	sock = socket(addrPtr->ai_family, addrPtr->ai_socktype,
                addrPtr->ai_protocol);
	if (sock == INVALID_SOCKET) {






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1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
....
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
....
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
....
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
....
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_OpenTcpClient, TclOpenTcpClientEx --
 *
 *	Opens a TCP client socket and creates a channel around it.
 *
 * Results:
 *	The channel or NULL if failed. An error message is returned in the
 *	interpreter on failure.
 *
................................................................................
    int port,			/* Port number to open. */
    const char *host,		/* Host on which to open port. */
    const char *myaddr,		/* Client-side address */
    int myport,			/* Client-side port */
    int async)			/* If nonzero, attempt to do an asynchronous
				 * connect. Otherwise we do a blocking
				 * connect. */
{
    char service[TCL_INTEGER_SPACE], myservice[TCL_INTEGER_SPACE];

    TclFormatInt(service, port);
    TclFormatInt(myservice, myport);

    return TclOpenTcpClientEx(interp, service, host, myaddr, myservice, async!=0);
}

Tcl_Channel
TclOpenTcpClientEx(
    Tcl_Interp *interp,		/* For error reporting; can be NULL. */
    const char *service,	/* Port number to open. */
    const char *host,		/* Host on which to open port. */
    const char *myaddr,		/* Client-side address */
    const char *myservice,	/* Client-side port */
    unsigned int flags)		/* If nonzero, attempt to do an asynchronous
				 * connect. Otherwise we do a blocking
				 * connect. */
{
    TcpState *statePtr;
    const char *errorMsg = NULL;
    struct addrinfo *addrlist = NULL, *myaddrlist = NULL;
    char channelName[SOCK_CHAN_LENGTH];

    if (TclpHasSockets(interp) != TCL_OK) {
................................................................................
	return NULL;
    }

    /*
     * Do the name lookups for the local and remote addresses.
     */

    if (!TclCreateSocketAddress(interp, &addrlist, host, service, 0, &errorMsg)
            || !TclCreateSocketAddress(interp, &myaddrlist, myaddr, myservice, 1,
                    &errorMsg)) {
        if (addrlist != NULL) {
            freeaddrinfo(addrlist);
        }
        if (interp != NULL) {
            Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                    "couldn't open socket: %s", errorMsg));
................................................................................
        }
        return NULL;
    }

    statePtr = NewSocketInfo(INVALID_SOCKET);
    statePtr->addrlist = addrlist;
    statePtr->myaddrlist = myaddrlist;
    if (flags&1) {
	statePtr->flags |= TCP_ASYNC_CONNECT;
    }

    /*
     * Create a new client socket and wrap it in a channel.
     */
    if (TcpConnect(interp, statePtr) != TCL_OK) {
................................................................................
     */

    if (TclSockGetPort(interp, service, "tcp", &port) != TCL_OK) {
	errorMsg = "invalid port number";
	goto error;
    }

    if (!TclCreateSocketAddress(interp, &addrlist, myHost, service, 1, &errorMsg)) {
	goto error;
    }

    for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
	sock = socket(addrPtr->ai_family, addrPtr->ai_socktype,
                addrPtr->ai_protocol);
	if (sock == INVALID_SOCKET) {