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Started to implement this.

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This commit is contained in:
Martin Baulig
2000-02-20 23:32:28 +00:00
parent 8bcbf2f86c
commit e577aa3d08
1 changed files with 78 additions and 3 deletions
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79
sysdeps/linux/interfaces.c
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@@ -25,8 +25,15 @@
#include <glibtop.h> #include <glibtop.h>
#include <glibtop/error.h> #include <glibtop/error.h>
#include <glibtop/xmalloc.h>
#include <glibtop/interfaces.h> #include <glibtop/interfaces.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <net/if.h>
static const unsigned long _glibtop_sysdeps_interface_names = static const unsigned long _glibtop_sysdeps_interface_names =
(1L << GLIBTOP_INTERFACE_NAMES_NUMBER) + (1L << GLIBTOP_INTERFACE_NAMES_NUMBER) +
(1L << GLIBTOP_INTERFACE_NAMES_SIZE); (1L << GLIBTOP_INTERFACE_NAMES_SIZE);
@@ -44,13 +51,81 @@ glibtop_init_interface_names_s (glibtop *server)
/* Provides network statistics. */ /* Provides network statistics. */
glibtop_interface * glibtop_interface *
glibtop_get_interface_names_s (glibtop *server, glibtop_interface_names *buf, glibtop_get_interface_names_s (glibtop *server, glibtop_array *array,
u_int64_t interface, u_int64_t number, u_int64_t interface, u_int64_t number,
u_int64_t instance, u_int64_t strategy) u_int64_t instance, u_int64_t strategy)
{ {
GPtrArray *parray;
u_int64_t strategy_flags;
glibtop_interface *retval = NULL;
int skfd, i, n, numreqs = 30;
struct ifconf ifc;
struct ifreq *ifr;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_INTERFACE_NAMES, 0); glibtop_init_s (&server, GLIBTOP_SYSDEPS_INTERFACE_NAMES, 0);
memset (buf, 0, sizeof (glibtop_interface_names)); memset (array, 0, sizeof (glibtop_array));
strategy_flags = strategy & GLIBTOP_STRATEGY_FLAGS_MASK;
strategy &= ~GLIBTOP_STRATEGY_FLAGS_MASK;
parray = g_ptr_array_new ();
skfd = socket (AF_INET, SOCK_DGRAM, 0);
if (!skfd) {
glibtop_error_io_r (server, "socket (AF_INET, SOCK_DGRAM, 0)");
return NULL; return NULL;
} }
ifc.ifc_buf = NULL;
for (;;) {
ifc.ifc_len = sizeof (struct ifreq) * numreqs;
ifc.ifc_buf = glibtop_realloc_r (server, ifc.ifc_buf, ifc.ifc_len);
if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0) {
glibtop_error_io_r (server, "SIOCGIFCONF");
glibtop_free_r (server, ifc.ifc_buf);
return NULL;
}
if (ifc.ifc_len == sizeof (struct ifreq) * numreqs) {
/* assume it overflowed and try again */
numreqs += 10;
continue;
}
break;
}
ifr = ifc.ifc_req;
for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq), ifr++) {
glibtop_interface *interface_ptr;
if (strchr (ifr->ifr_name, ':')) {
/* This is a logical interface */
if (!(strategy_flags & GLIBTOP_INTERFACES_INCLUDE_LOGICAL))
continue;
}
interface_ptr = g_new0 (glibtop_interface, 1);
strcpy (interface_ptr->name, ifr->ifr_name);
g_ptr_array_add (parray, interface_ptr);
}
glibtop_free_r (server, ifc.ifc_buf);
close (skfd);
retval = glibtop_calloc_r (server, parray->len, sizeof (glibtop_interface));
for (i = 0; i < parray->len; i++)
retval [i] = *(glibtop_interface *) parray->pdata [i];
array->number = parray->len;
array->size = sizeof (glibtop_interface);
array->total = array->number * array->size;
g_ptr_array_free (parray, TRUE);
return retval;
}