bughz/sigar
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move more utils to sigar_format.[ch]

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This commit is contained in:
Doug MacEachern 2007-05-19 03:50:27 +00:00
parent f037037b0a
commit 67275223f3
5 changed files with 154 additions and 144 deletions
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9
include/sigar.h
View File

@ -469,15 +469,6 @@ typedef struct {
} addr;
} sigar_net_address_t;
SIGAR_DECLARE(int) sigar_net_address_equals(sigar_net_address_t *addr1,
sigar_net_address_t *addr2);
SIGAR_DECLARE(int) sigar_net_address_to_string(sigar_t *sigar,
sigar_net_address_t *address,
char *addr_str);
SIGAR_DECLARE(sigar_uint32_t) sigar_net_address_hash(sigar_net_address_t *address);
#define SIGAR_INET6_ADDRSTRLEN 46
#define SIGAR_MAXDOMAINNAMELEN 256

10
include/sigar_format.h
View File

@ -26,6 +26,16 @@ SIGAR_DECLARE(int) sigar_uptime_string(sigar_t *sigar,
SIGAR_DECLARE(char *) sigar_format_size(sigar_uint64_t size, char *buf);
SIGAR_DECLARE(int) sigar_net_address_equals(sigar_net_address_t *addr1,
sigar_net_address_t *addr2);
SIGAR_DECLARE(int) sigar_net_address_to_string(sigar_t *sigar,
sigar_net_address_t *address,
char *addr_str);
SIGAR_DECLARE(sigar_uint32_t) sigar_net_address_hash(sigar_net_address_t *address);
SIGAR_DECLARE(const char *)sigar_net_connection_type_get(int type);
SIGAR_DECLARE(const char *)sigar_net_connection_state_get(int state);

4
include/sigar_util.h
View File

@ -54,6 +54,10 @@
char *sigar_uitoa(char *buf, unsigned int n, int *len);
int sigar_inet_ntoa(sigar_t *sigar,
sigar_uint32_t address,
char *addr_str);
struct hostent *sigar_gethostbyname(const char *name,
sigar_hostent_t *data);

136
src/sigar.c
View File

@ -29,6 +29,7 @@
#include "sigar_private.h"
#include "sigar_util.h"
#include "sigar_os.h"
#include "sigar_format.h"
SIGAR_DECLARE(int) sigar_open(sigar_t **sigar)
{
@ -1633,141 +1634,6 @@ int sigar_net_interface_list_get(sigar_t *sigar,
#endif /* WIN32 */
#ifndef WIN32
#include <netinet/in.h>
#endif
/* threadsafe alternative to inet_ntoa (inet_ntop4 from apr) */
static int sigar_inet_ntoa(sigar_t *sigar,
sigar_uint32_t address,
char *addr_str)
{
char *next=addr_str;
int n=0;
const unsigned char *src =
(const unsigned char *)&address;
do {
unsigned char u = *src++;
if (u > 99) {
*next++ = '0' + u/100;
u %= 100;
*next++ = '0' + u/10;
u %= 10;
}
else if (u > 9) {
*next++ = '0' + u/10;
u %= 10;
}
*next++ = '0' + u;
*next++ = '.';
n++;
} while (n < 4);
*--next = 0;
return SIGAR_OK;
}
static int sigar_ether_ntoa(char *buff, unsigned char *ptr)
{
sprintf(buff, "%02X:%02X:%02X:%02X:%02X:%02X",
(ptr[0] & 0xff), (ptr[1] & 0xff), (ptr[2] & 0xff),
(ptr[3] & 0xff), (ptr[4] & 0xff), (ptr[5] & 0xff));
return SIGAR_OK;
}
SIGAR_DECLARE(int) sigar_net_address_equals(sigar_net_address_t *addr1,
sigar_net_address_t *addr2)
{
if (addr1->family != addr2->family) {
return EINVAL;
}
switch (addr1->family) {
case SIGAR_AF_INET:
return memcmp(&addr1->addr.in, &addr2->addr.in, sizeof(addr1->addr.in));
case SIGAR_AF_INET6:
return memcmp(&addr1->addr.in6, &addr2->addr.in6, sizeof(addr1->addr.in6));
case SIGAR_AF_LINK:
return memcmp(&addr1->addr.mac, &addr2->addr.mac, sizeof(addr1->addr.mac));
default:
return EINVAL;
}
}
#if !defined(WIN32) && !defined(NETWARE) && !defined(__hpux)
#define sigar_inet_ntop inet_ntop
#define sigar_inet_ntop_errno errno
#else
#define sigar_inet_ntop(af, src, dst, size) NULL
#define sigar_inet_ntop_errno EINVAL
#endif
SIGAR_DECLARE(int) sigar_net_address_to_string(sigar_t *sigar,
sigar_net_address_t *address,
char *addr_str)
{
switch (address->family) {
case SIGAR_AF_INET6:
if (sigar_inet_ntop(AF_INET6, (const void *)&address->addr.in6,
addr_str, SIGAR_INET6_ADDRSTRLEN))
{
return SIGAR_OK;
}
else {
return sigar_inet_ntop_errno;
}
case SIGAR_AF_INET:
return sigar_inet_ntoa(sigar, address->addr.in, addr_str);
case SIGAR_AF_UNSPEC:
return sigar_inet_ntoa(sigar, 0, addr_str); /*XXX*/
case SIGAR_AF_LINK:
return sigar_ether_ntoa(addr_str, &address->addr.mac[0]);
default:
return EINVAL;
}
}
SIGAR_DECLARE(sigar_uint32_t) sigar_net_address_hash(sigar_net_address_t *address)
{
sigar_uint32_t hash = 0;
unsigned char *data;
int i=0, size, elts;
switch (address->family) {
case SIGAR_AF_UNSPEC:
case SIGAR_AF_INET:
return address->addr.in;
case SIGAR_AF_INET6:
data = (unsigned char *)&address->addr.in6;
size = sizeof(address->addr.in6);
elts = 4;
break;
case SIGAR_AF_LINK:
data = (unsigned char *)&address->addr.mac;
size = sizeof(address->addr.mac);
elts = 2;
break;
default:
return -1;
}
while (i<size) {
int j=0;
int component=0;
while (j<elts && i<size) {
component = (component << 8) + data[i];
j++;
i++;
}
hash += component;
}
return hash;
}
SIGAR_DECLARE(int)
sigar_net_interface_config_primary_get(sigar_t *sigar,
sigar_net_interface_config_t *ifconfig)

139
src/sigar_format.c
View File

@ -28,6 +28,10 @@
#include <grp.h>
#include <stdio.h>
#ifndef WIN32
#include <arpa/inet.h>
#endif
int sigar_user_name_get(sigar_t *sigar, int uid, char *buf, int buflen)
{
struct passwd *pw = NULL;
@ -281,6 +285,141 @@ SIGAR_DECLARE(int) sigar_uptime_string(sigar_t *sigar,
}
#ifndef WIN32
#include <netinet/in.h>
#endif
/* threadsafe alternative to inet_ntoa (inet_ntop4 from apr) */
int sigar_inet_ntoa(sigar_t *sigar,
sigar_uint32_t address,
char *addr_str)
{
char *next=addr_str;
int n=0;
const unsigned char *src =
(const unsigned char *)&address;
do {
unsigned char u = *src++;
if (u > 99) {
*next++ = '0' + u/100;
u %= 100;
*next++ = '0' + u/10;
u %= 10;
}
else if (u > 9) {
*next++ = '0' + u/10;
u %= 10;
}
*next++ = '0' + u;
*next++ = '.';
n++;
} while (n < 4);
*--next = 0;
return SIGAR_OK;
}
static int sigar_ether_ntoa(char *buff, unsigned char *ptr)
{
sprintf(buff, "%02X:%02X:%02X:%02X:%02X:%02X",
(ptr[0] & 0xff), (ptr[1] & 0xff), (ptr[2] & 0xff),
(ptr[3] & 0xff), (ptr[4] & 0xff), (ptr[5] & 0xff));
return SIGAR_OK;
}
SIGAR_DECLARE(int) sigar_net_address_equals(sigar_net_address_t *addr1,
sigar_net_address_t *addr2)
{
if (addr1->family != addr2->family) {
return EINVAL;
}
switch (addr1->family) {
case SIGAR_AF_INET:
return memcmp(&addr1->addr.in, &addr2->addr.in, sizeof(addr1->addr.in));
case SIGAR_AF_INET6:
return memcmp(&addr1->addr.in6, &addr2->addr.in6, sizeof(addr1->addr.in6));
case SIGAR_AF_LINK:
return memcmp(&addr1->addr.mac, &addr2->addr.mac, sizeof(addr1->addr.mac));
default:
return EINVAL;
}
}
#if !defined(WIN32) && !defined(NETWARE) && !defined(__hpux)
#define sigar_inet_ntop inet_ntop
#define sigar_inet_ntop_errno errno
#else
#define sigar_inet_ntop(af, src, dst, size) NULL
#define sigar_inet_ntop_errno EINVAL
#endif
SIGAR_DECLARE(int) sigar_net_address_to_string(sigar_t *sigar,
sigar_net_address_t *address,
char *addr_str)
{
switch (address->family) {
case SIGAR_AF_INET6:
if (sigar_inet_ntop(AF_INET6, (const void *)&address->addr.in6,
addr_str, SIGAR_INET6_ADDRSTRLEN))
{
return SIGAR_OK;
}
else {
return sigar_inet_ntop_errno;
}
case SIGAR_AF_INET:
return sigar_inet_ntoa(sigar, address->addr.in, addr_str);
case SIGAR_AF_UNSPEC:
return sigar_inet_ntoa(sigar, 0, addr_str); /*XXX*/
case SIGAR_AF_LINK:
return sigar_ether_ntoa(addr_str, &address->addr.mac[0]);
default:
return EINVAL;
}
}
SIGAR_DECLARE(sigar_uint32_t) sigar_net_address_hash(sigar_net_address_t *address)
{
sigar_uint32_t hash = 0;
unsigned char *data;
int i=0, size, elts;
switch (address->family) {
case SIGAR_AF_UNSPEC:
case SIGAR_AF_INET:
return address->addr.in;
case SIGAR_AF_INET6:
data = (unsigned char *)&address->addr.in6;
size = sizeof(address->addr.in6);
elts = 4;
break;
case SIGAR_AF_LINK:
data = (unsigned char *)&address->addr.mac;
size = sizeof(address->addr.mac);
elts = 2;
break;
default:
return -1;
}
while (i<size) {
int j=0;
int component=0;
while (j<elts && i<size) {
component = (component << 8) + data[i];
j++;
i++;
}
hash += component;
}
return hash;
}
SIGAR_DECLARE(const char *)sigar_net_connection_type_get(int type)
{
switch (type) {