New upstream version 1.5.0+dfsgupstream/1.5.0+dfsg

1 files changed, 79 insertions, 0 deletions

diff --git a/src/plugin_freebsd.c b/src/plugin_freebsd.c
new file mode 100644
index 000000000..bdc3599ea
--- /dev/null
+++ b/src/plugin_freebsd.c
@@ -0,0 +1,79 @@
+#include "common.h"
+
+void *freebsd_main(void *ptr) {
+    struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
+
+    info("FREEBSD Plugin thread created with task id %d", gettid());
+
+    if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+        error("Cannot set pthread cancel type to DEFERRED.");
+
+    if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+        error("Cannot set pthread cancel state to ENABLE.");
+
+    // disable (by default) various interface that are not needed
+    /*
+    config_get_boolean("plugin:proc:/proc/net/dev:lo", "enabled", 0);
+    config_get_boolean("plugin:proc:/proc/net/dev:fireqos_monitor", "enabled", 0);
+    */
+
+    // when ZERO, attempt to do it
+    int vdo_cpu_netdata             = !config_get_boolean("plugin:freebsd", "netdata server resources", 1);
+    int vdo_freebsd_sysctl          = !config_get_boolean("plugin:freebsd", "sysctl", 1);
+
+    // keep track of the time each module was called
+    unsigned long long sutime_freebsd_sysctl = 0ULL;
+
+    usec_t step = rrd_update_every * USEC_PER_SEC;
+    for(;;) {
+        usec_t now = now_realtime_usec();
+        usec_t next = now - (now % step) + step;
+
+        while(now < next) {
+            sleep_usec(next - now);
+            now = now_realtime_usec();
+        }
+
+        if(unlikely(netdata_exit)) break;
+
+        // BEGIN -- the job to be done
+
+        if(!vdo_freebsd_sysctl) {
+            debug(D_PROCNETDEV_LOOP, "FREEBSD: calling do_freebsd_sysctl().");
+            now = now_realtime_usec();
+            vdo_freebsd_sysctl = do_freebsd_sysctl(rrd_update_every, (sutime_freebsd_sysctl > 0)?now - sutime_freebsd_sysctl:0ULL);
+            sutime_freebsd_sysctl = now;
+        }
+        if(unlikely(netdata_exit)) break;
+
+        // END -- the job is done
+
+        // --------------------------------------------------------------------
+
+        if(!vdo_cpu_netdata) {
+            global_statistics_charts();
+            registry_statistics();
+        }
+    }
+
+    info("FREEBSD thread exiting");
+
+    static_thread->enabled = 0;
+    pthread_exit(NULL);
+    return NULL;
+}
+
+int getsysctl(const char *name, void *ptr, size_t len)
+{
+    size_t nlen = len;
+
+    if (unlikely(sysctlbyname(name, ptr, &nlen, NULL, 0) == -1)) {
+        error("FREEBSD: sysctl(%s...) failed: %s", name, strerror(errno));
+        return 1;
+    }
+    if (unlikely(nlen != len)) {
+        error("FREEBSD: sysctl(%s...) expected %lu, got %lu", name, (unsigned long)len, (unsigned long)nlen);
+        return 1;
+    }
+    return 0;
+}