Tcl UDP

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Overview
Comment:Added support for IP_MULTICAST_LOOP for kostix.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 92858ed557912cc5c7783598031a2efb4ff545aa
User & Date: patthoyts 2007-03-30 11:09:44.000
Context
2007-03-30
21:22
Upgraded TEA to 3.6 and update the version to 1.0.9. Regenerated configure. Improved the error reporting by making use of strerror() if present. check-in: 3c1551e84a user: patthoyts tags: trunk
11:09
Added support for IP_MULTICAST_LOOP for kostix. check-in: 92858ed557 user: patthoyts tags: trunk
2007-01-31
13:23
Made the HP-UX patch more specific as if affected AIX builds (from Jeff Hobbs) check-in: b74a7f57a9 user: patthoyts tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to ChangeLog. 





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2007-01-31  Pat Thoyts  <[email protected]>

	* generic/udp_tcl.c: Turns out the HP-UX patch break buiding on
	AIX so made the check more specific (from Jeff Hobbs again).

2007-01-21  Pat Thoyts  <[email protected]>


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2007-03-30  Pat Thoyts  <[email protected]>

	* generic/udp_tcl.c: Added support for IP_MULTICAST_LOOP for
	Konstantin Khomoutov to control multicast loopback transmission.

2007-01-31  Pat Thoyts  <[email protected]>

	* generic/udp_tcl.c: Turns out the HP-UX patch break buiding on
	AIX so made the check more specific (from Jeff Hobbs again).

2007-01-21  Pat Thoyts  <[email protected]>
︙︙
Changes to generic/udp_tcl.c. 
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/******************************************************************************
 * UDP Extension for Tcl 8.4
 *
 * Copyright (c) 1999-2000 by Columbia University; all rights reserved
 * Copyright (c) 2003-2005 Pat Thoyts <[email protected]>
 *
 * Written by Xiaotao Wu
 * Last modified: 11/03/2000
 *
 * $Id: udp_tcl.c,v 1.35 2007/01/31 13:23:10 patthoyts Exp $
 ******************************************************************************/

#if defined(_DEBUG) && !defined(DEBUG)
#define DEBUG
#endif

#include "udp_tcl.h"










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/******************************************************************************
 * UDP Extension for Tcl 8.4
 *
 * Copyright (c) 1999-2000 by Columbia University; all rights reserved
 * Copyright (c) 2003-2005 Pat Thoyts <[email protected]>
 *
 * Written by Xiaotao Wu
 * Last modified: 11/03/2000
 *
 * $Id: udp_tcl.c,v 1.36 2007/03/30 11:09:44 patthoyts Exp $
 ******************************************************************************/

#if defined(_DEBUG) && !defined(DEBUG)
#define DEBUG
#endif

#include "udp_tcl.h"
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 * ----------------------------------------------------------------------
 */
static int 
udpGetOption(ClientData instanceData, Tcl_Interp *interp,
             CONST84 char *optionName, Tcl_DString *optionValue)
{
    UdpState *statePtr = (UdpState *)instanceData;
    CONST84 char * options[] = { "myport", "remote", "peer", "mcastgroups", "broadcast", "ttl", NULL};
    int r = TCL_OK;

    if (optionName == NULL) {
	Tcl_DString ds;
	const char **p;
	
	Tcl_DStringInit(&ds);








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 * ----------------------------------------------------------------------
 */
static int 
udpGetOption(ClientData instanceData, Tcl_Interp *interp,
             CONST84 char *optionName, Tcl_DString *optionValue)
{
    UdpState *statePtr = (UdpState *)instanceData;
    CONST84 char * options[] = { "myport", "remote", "peer", "mcastgroups", "mcastloopback", "broadcast", "ttl", NULL};
    int r = TCL_OK;

    if (optionName == NULL) {
	Tcl_DString ds;
	const char **p;
	
	Tcl_DStringInit(&ds);
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                UDPTRACE("UDP error - getsockopt\n");
                Tcl_SetResult(interp, "error in getsockopt", TCL_STATIC);
                r = TCL_ERROR;
            } else {
                Tcl_DStringSetLength(&ds, TCL_INTEGER_SPACE);
                sprintf(Tcl_DStringValue(&ds), "%d", tmp);
            }















        } else if (!strcmp("-ttl", optionName)) {
          
            unsigned int tmp = 0;
            socklen_t optlen = sizeof(unsigned int);
	    int cmd = IP_TTL;
	    if (statePtr->multicast > 0)








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                UDPTRACE("UDP error - getsockopt\n");
                Tcl_SetResult(interp, "error in getsockopt", TCL_STATIC);
                r = TCL_ERROR;
            } else {
                Tcl_DStringSetLength(&ds, TCL_INTEGER_SPACE);
                sprintf(Tcl_DStringValue(&ds), "%d", tmp);
            }

	} else if (!strcmp("-mcastloopback", optionName)) {

            unsigned char tmp = 0;
            socklen_t optlen = sizeof(unsigned char);
            if (getsockopt(statePtr->sock, IPPROTO_IP, IP_MULTICAST_LOOP, 
                           (char *)&tmp, &optlen)) {
                UDPTRACE("UDP error - getsockopt\n");
                Tcl_SetResult(interp, "error in getsockopt", TCL_STATIC);
                r = TCL_ERROR;
            } else {
                Tcl_DStringSetLength(&ds, TCL_INTEGER_SPACE);
                sprintf(Tcl_DStringValue(&ds), "%d", (int)tmp);
            }

        } else if (!strcmp("-ttl", optionName)) {
          
            unsigned int tmp = 0;
            socklen_t optlen = sizeof(unsigned int);
	    int cmd = IP_TTL;
	    if (statePtr->multicast > 0)
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 * ----------------------------------------------------------------------
 */
static int
udpSetOption(ClientData instanceData, Tcl_Interp *interp,
             CONST84 char *optionName, CONST84 char *newValue)
{
    UdpState *statePtr = (UdpState *)instanceData;
    CONST84 char * options = "remote mcastadd mcastdrop broadcast ttl";
    int r = TCL_OK;

    if (!strcmp("-remote", optionName)) {

        Tcl_Obj *valPtr;
        int len;









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 * ----------------------------------------------------------------------
 */
static int
udpSetOption(ClientData instanceData, Tcl_Interp *interp,
             CONST84 char *optionName, CONST84 char *newValue)
{
    UdpState *statePtr = (UdpState *)instanceData;
    CONST84 char * options = "remote mcastadd mcastdrop mcastloopback broadcast ttl";
    int r = TCL_OK;

    if (!strcmp("-remote", optionName)) {

        Tcl_Obj *valPtr;
        int len;
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                UDPTRACE("UDP error - setsockopt\n");
                Tcl_SetObjResult(interp, Tcl_NewStringObj(errBuf, -1));
                r = TCL_ERROR;
            } else {
                Tcl_SetObjResult(interp, Tcl_NewIntObj(tmp));
            }
        }

















    } else if (!strcmp("-ttl", optionName)) {

        unsigned int tmp = 0;
	int cmd = IP_TTL;
	if (statePtr->multicast > 0)
	    cmd = IP_MULTICAST_TTL;
        r = Tcl_GetInt(interp, newValue, &tmp);








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                UDPTRACE("UDP error - setsockopt\n");
                Tcl_SetObjResult(interp, Tcl_NewStringObj(errBuf, -1));
                r = TCL_ERROR;
            } else {
                Tcl_SetObjResult(interp, Tcl_NewIntObj(tmp));
            }
        }
    } else if (!strcmp("-mcastloopback", optionName)) {

        int tmp = 1;
        r = Tcl_GetInt(interp, newValue, &tmp);
        if (r == TCL_OK) {
	    unsigned char ctmp = (unsigned char)tmp;
            if (setsockopt(statePtr->sock, IPPROTO_IP, IP_MULTICAST_LOOP,
                           (const char *)&ctmp, sizeof(unsigned char))) {
                sprintf(errBuf, "%s", "udp - setsockopt");
                UDPTRACE("UDP error - setsockopt\n");
                Tcl_SetObjResult(interp, Tcl_NewStringObj(errBuf, -1));
                r = TCL_ERROR;
            } else {
                Tcl_SetObjResult(interp, Tcl_NewIntObj(tmp));
            }
        }

    } else if (!strcmp("-ttl", optionName)) {

        unsigned int tmp = 0;
	int cmd = IP_TTL;
	if (statePtr->multicast > 0)
	    cmd = IP_MULTICAST_TTL;
        r = Tcl_GetInt(interp, newValue, &tmp);
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