6.3.3 ExampleTable_access.c /*ExampleTable_access.c*/ /* * Note: this file originally auto-generated by mib2c using * :mib2c.access_functions.conf,v 1.9 2004/10/14 12:57:33 dts12 Exp $ */ #include net-snmp/net-snmp-config.h #includenet-snm
/*ExampleTable_access.c*/
/*
* Note: this file originally auto-generated by mib2c using
* : mib2c.access_functions.conf,v 1.9 2004/10/14 12:57:33 dts12 Exp $
*/
#include
#include
#include
#include "ExampleTable_access.h"
#include "ExampleTable_enums.h"
#include
struct ExampleTable_entry {
long MachineNumber;
char MachineStatus[10];
u_long CheckTime;
long MonSet;
struct ExampleTable_entry *next;
};
struct ExampleTable_entry *ExampleTable_head=NULL;
/* create a new row in the (unsorted) table */
struct ExampleTable_entry *
ExampleTable_createEntry(long MachineNumber,
char *MachineStatus,
u_long CheckTime,
long MonSet
)
{
struct ExampleTable_entry *entry;
entry = SNMP_MALLOC_TYPEDEF(struct ExampleTable_entry);
if (!entry)
return NULL;
entry->MachineNumber = MachineNumber;
strcpy(entry->MachineStatus ,MachineStatus);
entry->CheckTime = CheckTime;
entry->MonSet =MonSet;
entry->next = ExampleTable_head;
ExampleTable_head = entry;
return entry;
}
/* remove a row from the table */
void
ExampleTable_removeEntry( struct ExampleTable_entry *entry )
{
struct ExampleTable_entry *ptr, *prev;
if (!entry)
return; /* Nothing to remove */
for ( ptr = ExampleTable_head, prev = NULL;
ptr != NULL;
prev = ptr, ptr = ptr->next ) {
if ( ptr == entry )
break;
}
if ( !ptr )
return; /* Can't find it */
if ( prev == NULL )
ExampleTable_head = ptr->next;
else
prev->next = ptr->next;
SNMP_FREE( entry ); /* XXX - release any other internal resources */
}
void data_read(void)
{
FILE *fp;
int i;
struct ExampleTable_entry *temp;
fp=fopen("data.txt","r");
while (ExampleTable_head)/*clean link list begin*/
{
temp=ExampleTable_head->next;
ExampleTable_removeEntry(ExampleTable_head);
ExampleTable_head=temp;
}/*clean link list end*/
temp=SNMP_MALLOC_TYPEDEF(struct ExampleTable_entry);
temp->next=NULL;
/*set up a link list begin*/
if(fp)
{
i=fscanf(fp,"%d %s %d %d",&temp->MachineNumber, temp->MachineStatus, &temp->CheckTime,&temp->MonSet);
/*fscanf return reading var numbers .if EOF return -1.feof() dosen't work well*/
while(i>0)
{
ExampleTable_createEntry(temp->MachineNumber,temp->MachineStatus,temp->CheckTime,temp->MonSet);
i=fscanf(fp,"%d %s %d %d",&temp->MachineNumber, temp->MachineStatus, &temp->CheckTime,&temp->MonSet);
}
SNMP_FREE(temp);
fclose(fp);/*set up a link list end*/
}
else
{
printf("Error:Can't open data.txt!\n");
/*exit(1);*/
}
}
static u_long long_ret;
/** returns the first data point within the ExampleTable table data.
Set the my_loop_context variable to the first data point structure
of your choice (from which you can find the next one). This could
be anything from the first node in a linked list, to an integer
pointer containing the beginning of an array variable.
Set the my_data_context variable to something to be returned to
you later that will provide you with the data to return in a given
row. This could be the same pointer as what my_loop_context is
set to, or something different.
The put_index_data variable contains a list of snmp variable
bindings, one for each index in your table. Set the values of
each appropriately according to the data matching the first row
and return the put_index_data variable at the end of the function.
*/
netsnmp_variable_list *
ExampleTable_get_first_data_point(void **my_loop_context, void **my_data_context,
netsnmp_variable_list *put_index_data,
netsnmp_iterator_info *mydata)
{
data_read();
*my_loop_context = ExampleTable_head;
*my_data_context = ExampleTable_head;
return ExampleTable_get_next_data_point(my_loop_context, my_data_context,
put_index_data, mydata );
}
/** functionally the same as ExampleTable_get_first_data_point, but
my_loop_context has already been set to a previous value and should
be updated to the next in the list. For example, if it was a
linked list, you might want to cast it to your local data type and
then return my_loop_context->next. The my_data_context pointer
should be set to something you need later and the indexes in
put_index_data updated again. */
netsnmp_variable_list *
ExampleTable_get_next_data_point(void **my_loop_context, void **my_data_context,
netsnmp_variable_list *put_index_data,
netsnmp_iterator_info *mydata)
{
struct ExampleTable_entry *entry = (struct ExampleTable_entry *)*my_loop_context;
netsnmp_variable_list *idx = put_index_data;
if ( entry )
{
snmp_set_var_value( idx, (u_char *)&entry->MachineNumber, sizeof(entry->MachineNumber) );
idx = idx->next_variable;
*my_data_context = (void *)entry;
*my_loop_context = (struct ExampleTable_entry *)entry->next;
}
else
{
return NULL;
}
return put_index_data;
}
/** Create a data_context for non-existent rows that SETs are performed on.
* return a void * pointer which will be passed to subsequent get_XXX
* and set_XXX functions for data retrival and modification during
* this SET request.
*
* The indexes are encoded (in order) into the index_data pointer,
* and the column object which triggered the row creation is available
* via the column parameter, if it would be helpful to use that information.
*/
/*
void *
ExampleTable_create_data_context(netsnmp_variable_list *index_data) {
return entry; /* XXX: you likely want to return a real pointer */
/*
}
*/
/** If the implemented set_* functions don't operate directly on the
real-live data (which is actually recommended), then this function
can be used to take a given my_data_context pointer and "commit" it
to whereever the modified data needs to be put back to. For
example, if this was a routing table you could publish the modified
routes back into the kernel at this point.
new_or_del will be set to 1 if new, or -1 if it should be deleted
or 0 if it is just a modification of an existing row.
If you free the data yourself, make sure to *my_data_context = NULL */
int
ExampleTable_commit_row(void **my_data_context, int new_or_del)
{
/** Add any necessary commit code here */
/* */
/* return no errors. And there shouldn't be any!!! Ever!!! You
should have checked the values long before this. */
return SNMP_ERR_NOERROR;
}
/* User-defined data access functions (per column) for data in table ExampleTable */
/*
* NOTE:
* - these get_ routines MUST return data that will not be freed (ie,
* use static variables or persistent data). It will be copied, if
* needed, immediately after the get_ routine has been called.
* - these SET routines must copy the incoming data and can not take
* ownership of the memory passed in by the val pointer.
*/
/** XXX: return a data pointer to the data for the MachineNumber column and set
ret_len to its proper size in bytes. */
long *get_MachineNumber(void *data_context, size_t *ret_len) {
struct ExampleTable_entry *entry=(struct ExampleTable_entry *)data_context;
long_ret=entry->MachineNumber;
*ret_len=sizeof(long_ret);
return &long_ret; /** XXX: replace this with a pointer to a real value */
}
/** XXX: return a data pointer to the data for the MachineStatus column and set
ret_len to its proper size in bytes. */
char *get_MachineStatus(void *data_context, size_t *ret_len) {
struct ExampleTable_entry *entry=(struct ExampleTable_entry *)data_context;
*ret_len=strlen(entry->MachineStatus);
return entry->MachineStatus; /** XXX: replace this with a pointer to a real value */
}
/** XXX: return a data pointer to the data for the CheckTime column and set
ret_len to its proper size in bytes. */
u_long *get_CheckTime(void *data_context, size_t *ret_len) {
struct ExampleTable_entry *entry=(struct ExampleTable_entry *)data_context;
long_ret=entry->CheckTime;
*ret_len=sizeof(long_ret);
return &long_ret; /** XXX: replace this with a pointer to a real value */
}
/** XXX: return a data pointer to the data for the MonSet column and set
ret_len to its proper size in bytes. */
long *get_MonSet(void *data_context, size_t *ret_len) {
struct ExampleTable_entry *entry=(struct ExampleTable_entry *)data_context;
long_ret=entry->MonSet;
*ret_len=sizeof(long_ret);
return &long_ret; /** XXX: replace this with a pointer to a real value */
}
/** XXX: Set the value of the MonSet column and return
SNMP_ERR_NOERROR on success
SNMP_ERR_XXX for SNMP deterministic error codes
SNMP_ERR_GENERR on generic failures (a last result response). */
int set_MonSet(void *data_context, long *val, size_t val_len) {
FILE *fp;
struct ExampleTable_entry *temp=ExampleTable_head,*entry=data_context;
memcpy(&entry->MonSet, val, val_len);
fp=fopen("data.txt","w+");
if(!fp)
{DEBUGMSGTL(("set_MonSet","Open file failure\n"));
return SNMP_ERR_NOACCESS;
}
else
while(temp)
{
fprintf(fp,"\n%d %s %d %d",temp->MachineNumber,
temp->MachineStatus,
temp->CheckTime,
temp->MonSet);
temp=temp->next;
}
fclose(fp);
return SNMP_ERR_NOERROR; /** XXX: change if an error occurs */
}
Bagaimana untuk membuka kunci sekatan kebenaran android
format data json
Pertanyaan masa Internet
Bagaimana untuk mengosongkan terapung dalam css
Apakah yang perlu saya lakukan jika chaturbate tersekat?
Apakah perbezaan antara menyekat dan memadam pada WeChat?
Bagaimana untuk memulakan perkhidmatan svn
Bagaimana untuk membeli Ripple di China
![[Web front-end] Permulaan pantas Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
