iphlpapi: Simplify parsing of IP stats. Only try to open /proc on Linux.
This commit is contained in:
Alexandre Julliard
parent
ea73002863
commit
988f6b50c7
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@ -381,176 +381,116 @@ DWORD WINAPI GetIcmpStatistics(PMIB_ICMP stats)
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*/
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DWORD WINAPI GetIpStatistics(PMIB_IPSTATS stats)
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{
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#if defined(HAVE_SYS_SYSCTL_H) && defined(IPCTL_STATS)
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int mib[] = {CTL_NET, PF_INET, IPPROTO_IP, IPCTL_STATS};
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#define MIB_LEN (sizeof(mib) / sizeof(mib[0]))
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int ip_ttl, ip_forwarding;
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struct ipstat ip_stat;
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size_t needed;
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DWORD ret = ERROR_NOT_SUPPORTED;
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MIB_IPFORWARDTABLE *fwd_table;
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if (!stats)
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return ERROR_INVALID_PARAMETER;
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if (!stats) return ERROR_INVALID_PARAMETER;
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memset( stats, 0, sizeof(*stats) );
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needed = sizeof(ip_stat);
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if(sysctl(mib, MIB_LEN, &ip_stat, &needed, NULL, 0) == -1)
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{
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ERR ("failed to get ipstat\n");
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return ERROR_NOT_SUPPORTED;
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}
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needed = sizeof(ip_ttl);
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if (sysctlbyname ("net.inet.ip.ttl", &ip_ttl, &needed, NULL, 0) == -1)
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{
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ERR ("failed to get ip Default TTL\n");
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return ERROR_NOT_SUPPORTED;
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}
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needed = sizeof(ip_forwarding);
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if (sysctlbyname ("net.inet.ip.forwarding", &ip_forwarding, &needed, NULL, 0) == -1)
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{
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ERR ("failed to get ip forwarding\n");
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return ERROR_NOT_SUPPORTED;
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}
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stats->dwForwarding = ip_forwarding;
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stats->dwDefaultTTL = ip_ttl;
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stats->dwInDelivers = ip_stat.ips_delivered;
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stats->dwInHdrErrors = ip_stat.ips_badhlen + ip_stat.ips_badsum + ip_stat.ips_tooshort + ip_stat.ips_badlen;
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stats->dwInAddrErrors = ip_stat.ips_cantforward;
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stats->dwInReceives = ip_stat.ips_total;
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stats->dwForwDatagrams = ip_stat.ips_forward;
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stats->dwInUnknownProtos = ip_stat.ips_noproto;
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stats->dwInDiscards = ip_stat.ips_fragdropped;
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stats->dwOutDiscards = ip_stat.ips_odropped;
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stats->dwReasmOks = ip_stat.ips_reassembled;
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stats->dwFragOks = ip_stat.ips_fragmented;
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stats->dwFragFails = ip_stat.ips_cantfrag;
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stats->dwReasmTimeout = ip_stat.ips_fragtimeout;
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stats->dwOutNoRoutes = ip_stat.ips_noroute;
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stats->dwOutRequests = ip_stat.ips_localout;
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stats->dwReasmReqds = ip_stat.ips_fragments;
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return NO_ERROR;
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#else
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FILE *fp;
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MIB_IPFORWARDTABLE *fwd_table;
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if (!stats)
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return ERROR_INVALID_PARAMETER;
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memset(stats, 0, sizeof(MIB_IPSTATS));
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stats->dwNumIf = stats->dwNumAddr = getNumInterfaces();
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if (!AllocateAndGetIpForwardTableFromStack( &fwd_table, FALSE, GetProcessHeap(), 0 ))
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{
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stats->dwNumRoutes = fwd_table->dwNumEntries;
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HeapFree( GetProcessHeap(), 0, fwd_table );
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}
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/* get most of these stats from /proc/net/snmp, no error if can't */
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fp = fopen("/proc/net/snmp", "r");
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if (fp) {
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static const char hdr[] = "Ip:";
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char buf[512] = { 0 }, *ptr;
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do {
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ptr = fgets(buf, sizeof(buf), fp);
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} while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
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if (ptr) {
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/* last line was a header, get another */
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ptr = fgets(buf, sizeof(buf), fp);
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if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
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char *endPtr;
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ptr += sizeof(hdr);
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if (ptr && *ptr) {
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stats->dwForwarding = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwDefaultTTL = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInReceives = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInHdrErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInAddrErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwForwDatagrams = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInUnknownProtos = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInDiscards = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInDelivers = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutRequests = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutDiscards = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutNoRoutes = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmTimeout = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmReqds = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmOks = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmFails = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwFragOks = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwFragFails = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwFragCreates = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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/* hmm, no routingDiscards */
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}
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stats->dwNumIf = stats->dwNumAddr = getNumInterfaces();
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if (!AllocateAndGetIpForwardTableFromStack( &fwd_table, FALSE, GetProcessHeap(), 0 ))
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{
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stats->dwNumRoutes = fwd_table->dwNumEntries;
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HeapFree( GetProcessHeap(), 0, fwd_table );
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}
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fclose(fp);
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}
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else
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{
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ERR ("unimplemented!\n");
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return ERROR_NOT_SUPPORTED;
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}
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return NO_ERROR;
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#ifdef __linux__
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{
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FILE *fp;
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if ((fp = fopen("/proc/net/snmp", "r")))
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{
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static const char hdr[] = "Ip:";
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char buf[512], *ptr;
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while ((ptr = fgets(buf, sizeof(buf), fp)))
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{
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if (strncasecmp(buf, hdr, sizeof(hdr) - 1)) continue;
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/* last line was a header, get another */
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if (!(ptr = fgets(buf, sizeof(buf), fp))) break;
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if (!strncasecmp(buf, hdr, sizeof(hdr) - 1))
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{
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ptr += sizeof(hdr);
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sscanf( ptr, "%u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u",
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&stats->dwForwarding,
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&stats->dwDefaultTTL,
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&stats->dwInReceives,
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&stats->dwInHdrErrors,
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&stats->dwInAddrErrors,
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&stats->dwForwDatagrams,
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&stats->dwInUnknownProtos,
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&stats->dwInDiscards,
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&stats->dwInDelivers,
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&stats->dwOutRequests,
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&stats->dwOutDiscards,
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&stats->dwOutNoRoutes,
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&stats->dwReasmTimeout,
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&stats->dwReasmReqds,
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&stats->dwReasmOks,
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&stats->dwReasmFails,
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&stats->dwFragOks,
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&stats->dwFragFails,
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&stats->dwFragCreates );
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/* hmm, no routingDiscards */
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break;
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}
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}
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fclose(fp);
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ret = NO_ERROR;
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}
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}
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#elif defined(HAVE_SYS_SYSCTL_H) && defined(IPCTL_STATS)
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{
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int mib[] = {CTL_NET, PF_INET, IPPROTO_IP, IPCTL_STATS};
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#define MIB_LEN (sizeof(mib) / sizeof(mib[0]))
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int ip_ttl, ip_forwarding;
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struct ipstat ip_stat;
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size_t needed;
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needed = sizeof(ip_stat);
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if(sysctl(mib, MIB_LEN, &ip_stat, &needed, NULL, 0) == -1)
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{
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ERR ("failed to get ipstat\n");
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return ERROR_NOT_SUPPORTED;
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}
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needed = sizeof(ip_ttl);
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if (sysctlbyname ("net.inet.ip.ttl", &ip_ttl, &needed, NULL, 0) == -1)
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{
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ERR ("failed to get ip Default TTL\n");
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return ERROR_NOT_SUPPORTED;
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}
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needed = sizeof(ip_forwarding);
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if (sysctlbyname ("net.inet.ip.forwarding", &ip_forwarding, &needed, NULL, 0) == -1)
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{
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ERR ("failed to get ip forwarding\n");
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return ERROR_NOT_SUPPORTED;
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}
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stats->dwForwarding = ip_forwarding;
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stats->dwDefaultTTL = ip_ttl;
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stats->dwInDelivers = ip_stat.ips_delivered;
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stats->dwInHdrErrors = ip_stat.ips_badhlen + ip_stat.ips_badsum + ip_stat.ips_tooshort + ip_stat.ips_badlen;
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stats->dwInAddrErrors = ip_stat.ips_cantforward;
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stats->dwInReceives = ip_stat.ips_total;
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stats->dwForwDatagrams = ip_stat.ips_forward;
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stats->dwInUnknownProtos = ip_stat.ips_noproto;
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stats->dwInDiscards = ip_stat.ips_fragdropped;
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stats->dwOutDiscards = ip_stat.ips_odropped;
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stats->dwReasmOks = ip_stat.ips_reassembled;
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stats->dwFragOks = ip_stat.ips_fragmented;
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stats->dwFragFails = ip_stat.ips_cantfrag;
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stats->dwReasmTimeout = ip_stat.ips_fragtimeout;
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stats->dwOutNoRoutes = ip_stat.ips_noroute;
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stats->dwOutRequests = ip_stat.ips_localout;
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stats->dwReasmReqds = ip_stat.ips_fragments;
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ret = NO_ERROR;
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}
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#else
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FIXME( "unimplemented\n" );
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#endif
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return ret;
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}
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