ported r835 from volker_dev

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@924 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

diff --git a/plugin_netinfo.c b/plugin_netinfo.c
index 143a5e1b9a6efba6725dd26abc667e5059e80e38..371c9ebe549af6a4b5b90e29b2eb10e9c8143977 100644 (file)
--- a/plugin_netinfo.c
+++ b/plugin_netinfo.c
@@ -81,8 +81,9 @@ static int open_net(void)
 
 static void my_exists(RESULT * result, RESULT * arg1)
 {
+    static int errcount = 0;
     struct ifreq ifreq;
-    double value = 1.0;
+    double value = 1.0;                // netdev exists
 
     if (socknr < 0) {
        /* no open socket */
@@ -97,7 +98,11 @@ static void my_exists(RESULT * result, RESULT * arg1)
            /* device does not exists */
            value = 0.0;
        } else {
-           error("%s: ioctl(FLAGS) failed: %s", "plugin_netinfo", strerror(errno));
+           errcount++;
+           if (1 == errcount % 1000) {
+               error("%s: ioctl(FLAGS %s) failed: %s", "plugin_netinfo", ifreq.ifr_name, strerror(errno));
+               error("  (skip next 1000 errors)");
+           }
            return;
        }
     }
@@ -110,6 +115,7 @@ static void my_exists(RESULT * result, RESULT * arg1)
 /* get MAC address (hardware address) of network device */
 static void my_hwaddr(RESULT * result, RESULT * arg1)
 {
+    static int errcount = 0;
     struct ifreq ifreq;
     unsigned char *hw;
     char value[18];
@@ -122,7 +128,12 @@ static void my_hwaddr(RESULT * result, RESULT * arg1)
 
     strncpy(ifreq.ifr_name, R2S(arg1), sizeof(ifreq.ifr_name));
     if (ioctl(socknr, SIOCGIFHWADDR, &ifreq) < 0) {
-       error("%s: ioctl(IFHWADDR) failed: %s", "plugin_netinfo", strerror(errno));
+       errcount++;
+       if (1 == errcount % 1000) {
+           error("%s: ioctl(IFHWADDR %s) failed: %s", "plugin_netinfo", ifreq.ifr_name, strerror(errno));
+           error("  (skip next 1000 errors)");
+       }
+       SetResult(&result, R_STRING, "");
        return;
     }
     hw = (unsigned char *) ifreq.ifr_hwaddr.sa_data;
@@ -136,6 +147,7 @@ static void my_hwaddr(RESULT * result, RESULT * arg1)
 /* get ip address of network device */
 static void my_ipaddr(RESULT * result, RESULT * arg1)
 {
+    static int errcount = 0;
     struct ifreq ifreq;
     struct sockaddr_in *sin;
     char value[16];
@@ -148,7 +160,12 @@ static void my_ipaddr(RESULT * result, RESULT * arg1)
 
     strncpy(ifreq.ifr_name, R2S(arg1), sizeof(ifreq.ifr_name));
     if (ioctl(socknr, SIOCGIFADDR, &ifreq) < 0) {
-       error("%s: ioctl(IFADDR) failed: %s", "plugin_netinfo", strerror(errno));
+       errcount++;
+       if (1 == errcount % 1000) {
+           error("%s: ioctl(IFADDR %s) failed: %s", "plugin_netinfo", ifreq.ifr_name, strerror(errno));
+           error("  (skip next 1000 errors)");
+       }
+       SetResult(&result, R_STRING, "");
        return;
     }
     sin = (struct sockaddr_in *) &ifreq.ifr_addr;
@@ -161,6 +178,7 @@ static void my_ipaddr(RESULT * result, RESULT * arg1)
 /* get ip netmask of network device */
 static void my_netmask(RESULT * result, RESULT * arg1)
 {
+    static int errcount = 0;
     struct ifreq ifreq;
     struct sockaddr_in *sin;
     char value[16];
@@ -173,7 +191,12 @@ static void my_netmask(RESULT * result, RESULT * arg1)
 
     strncpy(ifreq.ifr_name, R2S(arg1), sizeof(ifreq.ifr_name));
     if (ioctl(socknr, SIOCGIFNETMASK, &ifreq) < 0) {
-       error("%s: ioctl(IFNETMASK) failed: %s", "plugin_netinfo", strerror(errno));
+       errcount++;
+       if (1 == errcount % 1000) {
+           error("%s: ioctl(IFNETMASK %s) failed: %s", "plugin_netinfo", ifreq.ifr_name, strerror(errno));
+           error("  (skip next 1000 errors)");
+       }
+       SetResult(&result, R_STRING, "");
        return;
     }
     sin = (struct sockaddr_in *) &ifreq.ifr_netmask;
@@ -186,6 +209,7 @@ static void my_netmask(RESULT * result, RESULT * arg1)
 /* get ip broadcast address of network device */
 static void my_bcaddr(RESULT * result, RESULT * arg1)
 {
+    static int errcount = 0;
     struct ifreq ifreq;
     struct sockaddr_in *sin;
     char value[16];
@@ -198,7 +222,12 @@ static void my_bcaddr(RESULT * result, RESULT * arg1)
 
     strncpy(ifreq.ifr_name, R2S(arg1), sizeof(ifreq.ifr_name));
     if (ioctl(socknr, SIOCGIFBRDADDR, &ifreq) < 0) {
-       error("%s: ioctl(IFBRDADDR) failed: %s", "plugin_netinfo", strerror(errno));
+       errcount++;
+       if (1 == errcount % 1000) {
+           error("%s: ioctl(IFBRDADDR %s) failed: %s", "plugin_netinfo", ifreq.ifr_name, strerror(errno));
+           error("  (skip next 1000 errors)");
+       }
+       SetResult(&result, R_STRING, "");
        return;
     }
     sin = (struct sockaddr_in *) &ifreq.ifr_broadaddr;