ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

iphlpapi: Simplify parsing of UDP stats. Only try to open /proc on Linux.

This commit is contained in:
Alexandre Julliard 2009-03-05 14:24:39 +01:00
parent 3a60d69b47
commit 4c7216fc77
1 changed files with 51 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

111
dlls/iphlpapi/ipstats.c
View File

@ -612,23 +612,48 @@ DWORD WINAPI GetTcpStatistics(PMIB_TCPSTATS stats)
*/
DWORD WINAPI GetUdpStatistics(PMIB_UDPSTATS stats)
{
#if defined(HAVE_SYS_SYSCTL_H) && defined(UDPCTL_STATS)
DWORD ret = ERROR_NOT_SUPPORTED;
if (!stats) return ERROR_INVALID_PARAMETER;
memset( stats, 0, sizeof(*stats) );
#ifdef __linux__
{
FILE *fp;
if ((fp = fopen("/proc/net/snmp", "r")))
{
static const char hdr[] = "Udp:";
char buf[512], *ptr;
while ((ptr = fgets(buf, sizeof(buf), fp)))
{
if (strncasecmp(buf, hdr, sizeof(hdr) - 1)) continue;
/* last line was a header, get another */
if (!(ptr = fgets(buf, sizeof(buf), fp))) break;
if (!strncasecmp(buf, hdr, sizeof(hdr) - 1))
{
ptr += sizeof(hdr);
sscanf( ptr, "%u %u %u %u %u",
&stats->dwInDatagrams, &stats->dwNoPorts,
&stats->dwInErrors, &stats->dwOutDatagrams, &stats->dwNumAddrs );
break;
}
}
fclose(fp);
ret = NO_ERROR;
}
}
#elif defined(HAVE_SYS_SYSCTL_H) && defined(UDPCTL_STATS)
{
int mib[] = {CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS};
#define MIB_LEN (sizeof(mib) / sizeof(mib[0]))
struct udpstat udp_stat;
MIB_UDPTABLE *udp_table;
size_t needed;
if (!stats)
return ERROR_INVALID_PARAMETER;
size_t needed = sizeof(udp_stat);
needed = sizeof(udp_stat);
if(sysctl(mib, MIB_LEN, &udp_stat, &needed, NULL, 0) == -1)
if(sysctl(mib, MIB_LEN, &udp_stat, &needed, NULL, 0) != -1)
{
ERR ("failed to get udpstat\n");
return ERROR_NOT_SUPPORTED;
}
stats->dwInDatagrams = udp_stat.udps_ipackets;
stats->dwOutDatagrams = udp_stat.udps_opackets;
stats->dwNoPorts = udp_stat.udps_noport;
@ -638,66 +663,14 @@ DWORD WINAPI GetUdpStatistics(PMIB_UDPSTATS stats)
stats->dwNumAddrs = udp_table->dwNumEntries;
HeapFree( GetProcessHeap(), 0, udp_table );
}
else stats->dwNumAddrs = 0;
return NO_ERROR;
ret = NO_ERROR;
}
else ERR ("failed to get udpstat\n");
}
#else
FILE *fp;
if (!stats)
return ERROR_INVALID_PARAMETER;
memset(stats, 0, sizeof(MIB_UDPSTATS));
/* get from /proc/net/snmp, no error if can't */
fp = fopen("/proc/net/snmp", "r");
if (fp) {
static const char hdr[] = "Udp:";
char buf[512] = { 0 }, *ptr;
do {
ptr = fgets(buf, sizeof(buf), fp);
} while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
if (ptr) {
/* last line was a header, get another */
ptr = fgets(buf, sizeof(buf), fp);
if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
char *endPtr;
ptr += sizeof(hdr);
if (ptr && *ptr) {
stats->dwInDatagrams = strtoul(ptr, &endPtr, 10);
ptr = endPtr;
}
if (ptr && *ptr) {
stats->dwNoPorts = strtoul(ptr, &endPtr, 10);
ptr = endPtr;
}
if (ptr && *ptr) {
stats->dwInErrors = strtoul(ptr, &endPtr, 10);
ptr = endPtr;
}
if (ptr && *ptr) {
stats->dwOutDatagrams = strtoul(ptr, &endPtr, 10);
ptr = endPtr;
}
if (ptr && *ptr) {
stats->dwNumAddrs = strtoul(ptr, &endPtr, 10);
ptr = endPtr;
}
}
}
fclose(fp);
}
else
{
ERR ("unimplemented!\n");
return ERROR_NOT_SUPPORTED;
}
return NO_ERROR;
FIXME( "unimplemented\n" );
#endif
return ret;
}