294 lines
8.6 KiB
C
294 lines
8.6 KiB
C
/*
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******************************************************************************
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* INTERPEAK SOURCE FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipcom_sysvar2.c,v $ $Revision: 1.8.114.3 $
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* $Source: /home/interpeak/CVSRoot/ipcom/src/ipcom_sysvar2.c,v $
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* $Author: jren $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Lennart Bang <lob@interpeak.se>
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******************************************************************************
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*/
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipcom_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#define IPCOM_USE_CLIB_PROTO
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#include "ipcom_clib.h"
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#include "ipcom_err.h"
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#include "ipcom_sysvar.h"
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/*
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* The expected syntax for the <param> member in 'Ipcom_sysvar_ext_struct'
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* is as follows: "<ifparam1>=<value1>;<ifparam2>=<value2>;...". Each pair
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* of "<ifparam>=<value>" is semicolon generated.
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*/
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#ifdef IPCOM_USE_SYSVAR_EXT
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#define IPCOM_IFPARAM_LIST_DELIMITER ";"
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#define IPCOM_IFPARAM_DELIMITER "="
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#endif
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 6 EXTERN PROTOTYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 7 LOCAL PROTOTYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 8 DATA
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 9 LOCAL FUNCTIONS
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 10 PUBLIC FUNCTIONS
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****************************************************************************
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*/
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/*
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*===========================================================================
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* ipcom_sysvar_setv
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*/
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IP_PUBLIC Ip_err
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ipcom_sysvar_setv(const Ipcom_sysvar entries[], int flags)
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{
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/* !!TODO: make atomic */
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int i;
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Ip_err err;
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/*
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* Add the sysvar such that they will be listed in the same
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* order they were defined.
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*/
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for(i = 0; entries[i].name != IP_NULL; i++);
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for(--i; i >= 0; i--)
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{
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err = ipcom_sysvar_set(entries[i].name, entries[i].value, flags);
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if (err != IPCOM_SUCCESS && err != IPCOM_ERR_DUPLICATE)
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return err;
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}
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return IPCOM_SUCCESS;
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}
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/*
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*===========================================================================
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* ipcom_sysvar_get_as_int
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*/
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IP_PUBLIC int
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ipcom_sysvar_get_as_int(const char *name, int default_value)
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{
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char strval[16];
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Ip_size_t strval_len = sizeof(strval);
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if (ipcom_sysvar_get(name, strval, &strval_len) == IP_NULL)
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return default_value;
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return ipcom_atoi(strval);
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}
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/*
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*===========================================================================
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* ipcom_sysvar_get_as_int_vr
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*/
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IP_PUBLIC int
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ipcom_sysvar_get_as_int_vr(const char *name, int default_value, int vr)
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{
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char strval[16];
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Ip_size_t strval_len = sizeof(strval);
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if (ipcom_sysvar_getvr(name, strval, &strval_len, vr) == IP_NULL)
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return default_value;
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return ipcom_atoi(strval);
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}
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/*
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*===========================================================================
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* ipcom_sysvar_ext_setv
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*===========================================================================
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* Description:
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* Parameters:
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* Returns:
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*/
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#ifdef IPCOM_USE_SYSVAR_EXT
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IP_PUBLIC Ip_err
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ipcom_sysvar_ext_setv(const Ipcom_sysvar_ext entries[], int flags)
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{
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/* !!TODO: make atomic */
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int i;
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int len = 0;
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int param_len = 0;
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char *sysvar_name = IP_NULL;
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char *sysvar_param = IP_NULL;
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char *conf = IP_NULL;
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char *last = IP_NULL;
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char *value = IP_NULL;
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char *ifparam = IP_NULL;
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Ip_err err = IPCOM_SUCCESS;
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sysvar_name = ipcom_calloc(1, sizeof(char) * 256);
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if (sysvar_name == IP_NULL)
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return IPCOM_ERR_NO_MEMORY;
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for (i = 0; ; i++)
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{
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/*
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* The syntax {IP_NULL,IP_NULL,IP_NULL} terminates the configuration
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* array. Otherwise, <name1> and/or <name2> must be specified.
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*/
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if ((entries[i].name1 == IP_NULL) && (entries[i].name2 == IP_NULL))
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{
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err = (entries[i].param == IP_NULL) ? IPCOM_SUCCESS :
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IPCOM_ERR_INVALID_CONFIG;
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goto done;
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}
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/*
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* The expected string should contain <ifparam>=<value>. If the
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* separator is not found, assume the string does not contain
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* any valid configuration values.
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*/
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if (entries[i].param == IP_NULL ||
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ipcom_strchr(entries[i].param, '=') == IP_NULL)
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continue;
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len = (int)ipcom_strlen(entries[i].param);
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if ((len > param_len) || (sysvar_param == IP_NULL))
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{
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if (sysvar_param)
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ipcom_free(sysvar_param); /* free previously allocated mem */
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param_len = len;
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sysvar_param = ipcom_calloc(1, param_len+1);
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if (sysvar_param == IP_NULL)
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{
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ipcom_free(sysvar_name);
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return IPCOM_ERR_NO_MEMORY;
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}
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}
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else
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ipcom_memset(sysvar_param, 0, param_len+1);
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ipcom_strcpy(sysvar_param, entries[i].param);
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/*
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* Expected format: <ifparam1>=<value1>;<ifparam2>=<value2>;...
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*/
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conf = ipcom_strtok_r(sysvar_param,
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IPCOM_IFPARAM_LIST_DELIMITER, &last);
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if (conf == IP_NULL)
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{
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err = IPCOM_ERR_INVALID_CONFIG;
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goto done;
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}
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do {
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/* Expected format: <ifparam>=<value> */
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ifparam = ipcom_strtok_r(conf, IPCOM_IFPARAM_DELIMITER, &value);
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if ((ifparam == IP_NULL) || (value == IP_NULL))
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{
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err = IPCOM_ERR_INVALID_CONFIG;
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goto done;
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}
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ipcom_memset(sysvar_name, 0, sizeof(char) * 256);
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if (entries[i].name1 != IP_NULL)
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{
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ipcom_strcpy(sysvar_name, entries[i].name1);
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ipcom_strcat(sysvar_name, ".");
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}
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ipcom_strcat(sysvar_name, ifparam);
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if (entries[i].name2 != IP_NULL)
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{
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ipcom_strcat(sysvar_name, ".");
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ipcom_strcat(sysvar_name, entries[i].name2);
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}
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err = ipcom_sysvar_set(sysvar_name, value, flags);
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if (err == IPCOM_ERR_DUPLICATE)
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err = IPCOM_SUCCESS;
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else if (err != IPCOM_SUCCESS)
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goto done;
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} while (IP_NULL != (conf = ipcom_strtok_r(IP_NULL,
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IPCOM_IFPARAM_LIST_DELIMITER, &last)));
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}
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done:
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ipcom_free(sysvar_name);
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if (sysvar_param)
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ipcom_free(sysvar_param);
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return err;
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}
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#endif /* IPCOM_USE_SYSVAR_EXT */
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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