DeforaOS/Probe
DeforaOS/Probe
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Added network interface information (linux only)

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This commit is contained in:
Pierre Pronchery 2005-10-26 21:46:27 +00:00
parent 40650ebb55
commit f3f26a0f40
1 changed files with 127 additions and 3 deletions
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130
src/probe.c
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@ -4,6 +4,7 @@
#include <System.h>
#include <utmpx.h>
#include <stdlib.h>
#include <stdio.h>
#ifdef _GNU_SOURCE
# include <sys/sysinfo.h>
@ -18,6 +19,7 @@
/* globals */
/* sysinfo */
#ifndef _GNU_SOURCE
struct sysinfo
{
@ -113,13 +115,102 @@ static int sysinfo(struct sysinfo * info)
#endif
/* ifinfo */
enum InterfaceInfo
{
IF_RX_BYTES = 0, IF_RX_PACKETS, IF_RX_ERRS, IF_RX_DROP, IF_RX_FIFO,
IF_RX_FRAME, IF_RX_COMPRESSED, IF_RX_MULTICAST,
IF_TX_BYTES, IF_TX_PACKETS, IF_TX_ERRS, IF_TX_DROP, IF_TX_FIFO,
IF_TX_FRAME, IF_TX_COMPRESSED
};
#define IF_LAST IF_TX_COMPRESSED
struct ifinfo
{
char name[6];
int stats[IF_LAST+1];
};
static int ifinfo_append(struct ifinfo ** dev, char * buf, int nb);
static int ifinfo(struct ifinfo ** dev)
{
int ret = 0;
FILE * fp;
char buf[200];
int i;
int len;
#ifdef _GNU_SOURCE
if((fp = fopen("/proc/net/dev", "r")) == NULL)
return -1;
for(i = 0; fgets(buf, sizeof(buf), fp) != NULL; i++)
{
len = string_length(buf);
if(buf[len-1] != '\n')
{
ret = 1;
break;
}
if(i < 2)
continue;
if(ifinfo_append(dev, buf, i - 2) != 0)
{
ret = -1;
break;
}
ret++;
}
fclose(fp);
return ret;
#endif
}
static int ifinfo_append(struct ifinfo ** dev, char * buf, int nb)
{
struct ifinfo * p;
int i;
char * q;
int j = 0;
if((p = realloc(*dev, sizeof(struct ifinfo) * (nb + 1))) == NULL)
return 1;
*dev = p;
for(i = 0; i < 6 && buf[i] != '\0'; i++);
if(i != 6)
return 1;
buf[6] = '\0';
for(q = buf; q[0] == ' '; q++);
strcpy((*dev)[nb].name, q);
for(i++; buf[i] != '\0'; i++)
{
if(j > IF_LAST)
break;
if(buf[i] == ' ')
continue;
q = &buf[i];
for(; buf[i] >= '0' && buf[i] <= '9'; i++);
buf[i] = '\0';
(*dev)[nb].stats[j++] = strtol(q, &q, 10);
if(*q != '\0')
return 1;
}
return 0;
}
/* Probe */
/* types */
typedef struct _Probe
{
struct sysinfo sysinfo;
unsigned int users;
struct ifinfo * ifinfo;
unsigned int ifinfo_cnt;
} Probe;
/* variables */
Probe probe;
/* functions */
static int _probe_error(char * message, int ret);
static int _probe_timeout(Probe * probe);
static int _probe(void)
@ -128,15 +219,17 @@ static int _probe(void)
Event * event;
struct timeval tv;
probe.ifinfo = NULL;
probe.ifinfo_cnt = 0;
if(_probe_timeout(&probe) != 0)
return _probe_error("sysinfo", 2);
return _probe_error("sysinfo", 1);
if((event = event_new()) == NULL)
return _probe_error("Event", 2);
if((appserver = appserver_new_event("Probe", ASO_REMOTE, event))
== NULL)
{
event_delete(event);
return _probe_error("AppServer", 2);
return _probe_error("AppServer", 1);
}
tv.tv_sec = PROBE_REFRESH;
tv.tv_usec = 0;
@ -162,6 +255,7 @@ static int _probe_timeout(Probe * probe)
struct utmpx * ut;
#ifdef DEBUG
static unsigned int count = 0;
static int i;
fprintf(stderr, "%s%d%s", "_probe_timeout(", count++, ")\n");
#endif
@ -171,6 +265,9 @@ static int _probe_timeout(Probe * probe)
if(ut->ut_type == USER_PROCESS)
probe->users++;
endutxent();
if((i = ifinfo(&probe->ifinfo)) < 0)
return _probe_error("ifinfo", 1);
probe->ifinfo_cnt = i;
return 0;
}
@ -256,8 +353,35 @@ int users(void)
}
int ifrxbytes(char * dev)
{
unsigned int i;
for(i = 0; i < probe.ifinfo_cnt
&& string_compare(probe.ifinfo[i].name, dev) != 0; i++);
if(i == probe.ifinfo_cnt)
return -1;
printf("%s%s%s%u%s", "Interface ", probe.ifinfo[i].name, ": ",
probe.ifinfo[i].stats[IF_RX_BYTES], "\n");
return 0;
}
int iftxbytes(char * dev)
{
unsigned int i;
for(i = 0; i < probe.ifinfo_cnt
&& string_compare(probe.ifinfo[i].name, dev) != 0; i++);
if(i == probe.ifinfo_cnt)
return -1;
printf("%s%s%s%u%s", "Interface ", probe.ifinfo[i].name, ": ",
probe.ifinfo[i].stats[IF_TX_BYTES], "\n");
return 0;
}
/* main */
int main(void)
{
return _probe();
return _probe() == 0 ? 0 : 2;
}