/**
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* \file
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*/
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#include "config.h"
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#include "utils/mono-networkinterfaces.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/* FIXME: bsds untested */
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/**
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* mono_networkinterface_list:
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* \param size a pointer to a location where the size of the returned array is stored
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* \returns an array of names for the interfaces currently on the system.
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* The size of the array is stored in \p size.
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*/
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gpointer*
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mono_networkinterface_list (int *size)
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{
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int i = 0, count = 0;
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void **nilist = NULL;
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char buf [512];
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FILE *f;
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char name [256];
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f = fopen ("/proc/net/dev", "r");
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if (!f)
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return NULL;
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if (!fgets (buf, sizeof (buf) / sizeof (char), f))
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goto out;
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if (!fgets (buf, sizeof (buf) / sizeof (char), f))
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goto out;
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while (fgets (buf, sizeof (buf), f) != NULL) {
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char *ptr;
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buf [sizeof(buf) - 1] = 0;
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if ((ptr = strchr (buf, ':')) == NULL || (*ptr++ = 0, sscanf (buf, "%s", name) != 1))
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goto out;
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if (i >= count) {
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if (!count)
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count = 16;
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else
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count *= 2;
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}
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nilist = (void **) g_realloc (nilist, count * sizeof (void*));
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nilist [i++] = g_strdup (name);
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}
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out:
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if (f) fclose(f);
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if (size)
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*size = i;
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if (!nilist)
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nilist = (void **) g_malloc (sizeof (void*));
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nilist [i] = NULL;
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return nilist;
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}
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/**
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* mono_network_get_data:
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* \param name name of the interface
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* \param data description of data to return
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* \return a data item of a network adapter like bytes sent per sec, etc
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* according to the \p data argumet.
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*/
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gint64
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mono_network_get_data (char* name, MonoNetworkData data, MonoNetworkError *error)
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{
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gint64 val = 0;
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char buf [512];
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char cname [256];
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FILE *f;
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unsigned long rx_bytes, rx_packets, rx_errs, rx_drops,
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rx_fifo, rx_frame, tx_bytes, tx_packets, tx_errs, tx_drops,
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tx_fifo, tx_colls, tx_carrier, rx_multi;
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*error = MONO_NETWORK_ERROR_OTHER;
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f = fopen ("/proc/net/dev", "r");
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if (!f)
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return -1;
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if (!fgets (buf, sizeof (buf) / sizeof (char), f))
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goto out;
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if (!fgets (buf, sizeof (buf) / sizeof (char), f))
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goto out;
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while (fgets (buf, sizeof (buf), f) != NULL) {
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char *ptr;
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buf [sizeof (buf) - 1] = 0;
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if ((ptr = strchr (buf, ':')) == NULL ||
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(*ptr++ = 0, sscanf (buf, "%250s", cname) != 1))
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goto out;
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if (strcmp (name, cname) != 0) continue;
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if (sscanf (ptr, "%ld%ld%ld%ld%ld%ld%ld%*d%ld%ld%ld%ld%ld%ld%ld",
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&rx_bytes, &rx_packets, &rx_errs, &rx_drops,
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&rx_fifo, &rx_frame, &rx_multi,
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&tx_bytes, &tx_packets, &tx_errs, &tx_drops,
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&tx_fifo, &tx_colls, &tx_carrier) != 14)
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goto out;
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switch (data) {
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case MONO_NETWORK_BYTESSENT:
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val = tx_bytes;
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*error = MONO_NETWORK_ERROR_NONE;
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goto out;
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case MONO_NETWORK_BYTESREC:
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val = rx_bytes;
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*error = MONO_NETWORK_ERROR_NONE;
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goto out;
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case MONO_NETWORK_BYTESTOTAL:
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val = rx_bytes + tx_bytes;
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*error = MONO_NETWORK_ERROR_NONE;
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goto out;
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}
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}
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out:
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if (f) fclose (f);
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return val;
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}
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