/*
*===========================================================================
* ipnet_timeout_to_string
*===========================================================================
* Description: Adds a element to string function for timeouts that uses
* the specified timeout handler.
* Parameters: handler - The timeout handler the element is using.
* to_str - The to string handler for the element.
* Returns:
*
*/
IP_GLOBAL void
ipnet_timeout_to_string(Ipnet_timeout_handler handler,
Ipnet_timeout_to_string_f to_str)
{
ipnet->tmo_map = ipcom_realloc(ipnet->tmo_map,
++ipnet->tmo_map_size * sizeof(*ipnet->tmo_map));
ipnet->tmo_map[ipnet->tmo_map_size - 1].key = handler;
ipnet->tmo_map[ipnet->tmo_map_size - 1].to_str_func = to_str;
}
/*
*===========================================================================
* ipnet_vrrp_add_addr
*===========================================================================
* Description: Adds a virtual router address.
* Parameters: netif - The network interface the VRIP will be assigned to.
* vrid - The VRID the address will be assigned to.
* Returns: 0 = success, <0 = error code.
*
*/
IP_GLOBAL int
ipnet_vrrp_add_addr(Ipnet_netif *netif, Ip_u8 vrid, struct Ip_in_addr addr)
{
Ipnet_vrrp_addr_t *addr_entry;
if (ipnet->vrrp_addrs == IP_NULL)
{
ipnet->vrrp_addrs = ipcom_hash_new((Ipcom_hash_obj_func) ipnet_vrrp_obj_hash,
(Ipcom_hash_key_func) ipnet_vrrp_obj_hash,
(Ipcom_hash_cmp_func) ipnet_vrrp_hash_cmp);
if (ipnet->vrrp_addrs == IP_NULL)
return -IP_ERRNO_ENOMEM;
}
addr_entry = ipnet_vrrp_get_addr_entry(netif, vrid);
if (addr_entry == IP_NULL)
{
addr_entry = ipcom_malloc(sizeof(Ipnet_vrrp_addr_t));
if (addr_entry == IP_NULL)
return -IP_ERRNO_ENOMEM;
IPNET_IF_LOCK(netif);
addr_entry->netif = netif;
addr_entry->vrid = vrid;
addr_entry->num_addrs = 1;
addr_entry->addrs[0] = addr;
}
else
{
Ipnet_vrrp_addr_t *a;
int i;
i = ipnet_vrrp_addr_index(addr_entry, addr);
if (i >= 0)
return -IP_ERRNO_EEXIST;
(void)ipcom_hash_remove(ipnet->vrrp_addrs, addr_entry);
a = ipcom_realloc(addr_entry,
sizeof(Ipnet_vrrp_addr_t) + addr_entry->num_addrs * sizeof(Ipnet_vrrp_addr_t));
if (a == IP_NULL)
return -IP_ERRNO_ENOMEM;
a->addrs[a->num_addrs++] = addr;
addr_entry = a;
}
if (ipcom_hash_add(ipnet->vrrp_addrs, addr_entry) != IPCOM_SUCCESS)
{
ipcom_free(addr_entry);
return -IP_ERRNO_ENOMEM;
}
IPCOM_LOG2(INFO, "VRRP: added address %s on %s",
ipcom_inet_ntop(IP_AF_INET, &addr, ipnet->log_buf, sizeof(ipnet->log_buf)),
netif->ipcom.name);
return 0;
}
/*
*===========================================================================
* ipdnsc_hostent_insert_alias
*===========================================================================
* Description: Inserts an alias name in a hostent structure
* Parameters: he - pointer to the hostent structure
* name - the name to insert
* Returns: 0 for OK, -1 for fail.
*/
IP_GLOBAL Ip_s32
ipdnsc_hostent_insert_alias(struct Ip_hostent *he, char *name)
{
Ip_s32 num_alias, i=0;
char **tmp;
if (ipcom_strlen(name) > (IPDNSC_MAXNAME-1))
return -1;
/* Find out the current number of aliases */
num_alias = ipdnsc_hostent_alias_count(he);
/* Allocate memory for the another alias list entry */
tmp = ipcom_realloc(he->h_aliases, (num_alias+1) * sizeof(char *));
if(tmp == IP_NULL)
return -1;
he->h_aliases = tmp;
/* Allocate memory for the alias */
he->h_aliases[num_alias-1] = ipcom_malloc(ipcom_strlen(name)+1);
if (he->h_aliases[num_alias-1] == IP_NULL)
{
/* We have to free to whole list here */
while (he->h_aliases[i] != IP_NULL)
{
ipcom_free(he->h_aliases[i]);
i++;
}
/* Free the alias list */
ipcom_free(he->h_aliases);
he->h_aliases = IP_NULL;
return -1;
}
/* Set the alias */
ipcom_strcpy(he->h_aliases[num_alias-1], name);
/* Null terminate the list */
he->h_aliases[num_alias] = IP_NULL;
return 0;
}
/*
*===========================================================================
* ipdnsc_hostent_insert_addr
*===========================================================================
* Description: Inserts an address in a hostent structure
* Parameters: he - pointer to the hostent structure
* addr - the addr to insert
* Returns: 0 for OK, -1 for fail.
*/
IP_GLOBAL Ip_s32
ipdnsc_hostent_insert_addr(struct Ip_hostent *he, char *addr)
{
Ip_s32 num_addr, i=0;
char **tmp;
/* Find out the current number of addresses */
num_addr = ipdnsc_hostent_addr_count(he);
/* Allocate memory for the another address list entry */
tmp = ipcom_realloc(he->h_addr_list, (num_addr+1) * sizeof(char *));
if(tmp == IP_NULL)
return -1;
he->h_addr_list = tmp;
/* Allocate memory for the address */
he->h_addr_list[num_addr-1] = ipcom_malloc(he->h_length);
if (he->h_addr_list[num_addr-1] == IP_NULL)
{
/* We have to free to whole list here */
while (he->h_addr_list[i] != IP_NULL)
{
ipcom_free(he->h_addr_list[i]);
i++;
}
/* Free the address list */
ipcom_free(he->h_addr_list);
he->h_addr_list = IP_NULL;
return -1;
}
/* Set the address */
ipcom_memcpy(he->h_addr_list[num_addr-1], addr, he->h_length);
/* Null terminate the list */
he->h_addr_list[num_addr] = IP_NULL;
return 0;
}
/*
*===========================================================================
* ipcom_buffer_append_space
*===========================================================================
* Description: Appends space to the buffer, expanding the buffer if necessary.
* This does not actually copy the data into the buffer, but
* instead returns a pointer to the allocated region.
* Parameters:
* Returns:
*
*/
IP_PUBLIC Ip_err
ipcom_buffer_append_space(Ipcom_buffer *buffer, Ip_u8 **datap, Ip_u32 len)
{
/* If the buffer is empty, start using it from the beginning. */
if (buffer->offset == buffer->end)
{
buffer->offset = 0;
buffer->end = 0;
}
restart:
/* If there is enough space to store all data, store it now. */
if (buffer->end + len <= buffer->alloc)
{
*datap = buffer->buf + buffer->end;
buffer->end += len;
return IPCOM_SUCCESS;
}
/*
* If the buffer is quite empty, but all data is at the end, move the
* data to the beginning and retry.
*/
if (buffer->offset > buffer->alloc / 2)
{
ipcom_memmove(buffer->buf, buffer->buf + buffer->offset,
buffer->end - buffer->offset);
buffer->end -= buffer->offset;
buffer->offset = 0;
goto restart;
}
/* Increase the size of the buffer and retry. */
buffer->alloc += buffer->alloc*2;
buffer->buf = ipcom_realloc(buffer->buf, buffer->alloc);
if( !buffer->buf )
return IPCOM_ERR_FAILED;
goto restart;
}