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/*
* swinst.c : hrSWInstalledTable data access
*/
/*
* Copyright (C) 2007 Apple, Inc. All rights reserved.
* Use is subject to license terms specified in the COPYING file
* distributed with the Net-SNMP package.
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-features.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include <net-snmp/data_access/swinst.h>
#include <stdlib.h>
#include <unistd.h>
netsnmp_feature_child_of(software_installed, libnetsnmpmibs)
netsnmp_feature_child_of(swinst_entry_remove, netsnmp_unused)
/* ---------------------------------------------------------------------
*/
static void netsnmp_swinst_entry_free_cb(netsnmp_swinst_entry *, void *);
extern void netsnmp_swinst_arch_init(void);
extern void netsnmp_swinst_arch_shutdown(void);
extern int netsnmp_swinst_arch_load(netsnmp_container *, u_int);
void init_swinst( void )
{
static int initialized = 0;
DEBUGMSGTL(("swinst", "init called\n"));
if (initialized)
return; /* already initialized */
/*
* call arch init code
*/
netsnmp_swinst_arch_init();
}
void shutdown_swinst( void )
{
DEBUGMSGTL(("swinst", "shutdown called\n"));
netsnmp_swinst_arch_shutdown();
}
/* ---------------------------------------------------------------------
*/
/*
* load a container with installed software. If user_container is NULL,
* a new container will be allocated and returned, and the caller
* is responsible for releasing the allocated memory when done.
*
* if flags contains NETSNMP_SWINST_ALL_OR_NONE and any error occurs,
* the container will be completely cleared.
*/
netsnmp_container *
netsnmp_swinst_container_load( netsnmp_container *user_container, int flags )
{
netsnmp_container *container = user_container;
int arch_rc;
DEBUGMSGTL(("swinst:container", "load\n"));
/*
* create the container, if needed
*/
if (NULL == container) {
container = netsnmp_container_find("swinst:table_container");
if (NULL == container)
return NULL;
}
if (NULL == container->container_name)
container->container_name = strdup("swinst container");
/*
* call the arch specific code to load the container
*/
arch_rc = netsnmp_swinst_arch_load( container, flags );
if (arch_rc && (flags & NETSNMP_SWINST_ALL_OR_NONE)) {
/*
* caller does not want a partial load, so empty the container.
* if we created the container, destroy it.
*/
netsnmp_swinst_container_free_items(container);
if (container != user_container) {
netsnmp_swinst_container_free(container, flags);
}
}
return container;
}
void
netsnmp_swinst_container_free(netsnmp_container *container, u_int free_flags)
{
DEBUGMSGTL(("swinst:container", "free\n"));
if (NULL == container) {
snmp_log(LOG_ERR,
"invalid container for netsnmp_swinst_container_free\n");
return;
}
if(! (free_flags & NETSNMP_SWINST_DONT_FREE_ITEMS))
netsnmp_swinst_container_free_items(container);
CONTAINER_FREE(container);
}
/*
* free a swinst container
*/
void netsnmp_swinst_container_free_items(netsnmp_container *container)
{
DEBUGMSGTL(("swinst:container", "free_items\n"));
if (NULL == container) {
snmp_log(LOG_ERR,
"invalid container for netsnmp_swinst_container_free_items\n");
return;
}
/*
* free all items.
*/
CONTAINER_CLEAR(container,
(netsnmp_container_obj_func*)netsnmp_swinst_entry_free_cb,
NULL);
}
/* ---------------------------------------------------------------------
*/
/*
* create a new row in the table
*/
netsnmp_swinst_entry *
netsnmp_swinst_entry_create(int32_t swIndex)
{
netsnmp_swinst_entry *entry;
entry = SNMP_MALLOC_TYPEDEF(netsnmp_swinst_entry);
if (!entry)
return NULL;
entry->swIndex = swIndex;
entry->oid_index.len = 1;
entry->oid_index.oids = &entry->swIndex;
entry->swType = HRSWINSTALLEDTYPE_APPLICATION;
return entry;
}
/*
* free a row
*/
void
netsnmp_swinst_entry_free(netsnmp_swinst_entry *entry)
{
DEBUGMSGTL(("swinst:entry:free", "index %" NETSNMP_PRIo "u\n",
entry->swIndex));
free(entry);
}
/*
* free a row
*/
static void
netsnmp_swinst_entry_free_cb(netsnmp_swinst_entry *entry, void *context)
{
free(entry);
}
/*
* remove a row from the table
*/
#ifndef NETSNMP_FEATURE_REMOVE_SWINST_ENTRY_REMOVE
void
netsnmp_swinst_entry_remove(netsnmp_container * container,
netsnmp_swinst_entry *entry)
{
DEBUGMSGTL(("swinst:container", "remove\n"));
if (!entry)
return; /* Nothing to remove */
CONTAINER_REMOVE(container, entry);
}
#endif /* NETSNMP_FEATURE_REMOVE_SWINST_ENTRY_REMOVE */
/* ---------------------------------------------------------------------
*/
#ifdef TEST
int main(int argc, char *argv[])
{
const char *tokens = getenv("SNMP_DEBUG");
netsnmp_container_init_list();
/** swinst,verbose:swinst */
if (tokens)
debug_register_tokens(tokens);
else
debug_register_tokens("swinst");
snmp_set_do_debugging(1);
init_swinst();
netsnmp_swinst_container_load(NULL, 0);
shutdown_swinst();
return 0;
}
#endif
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