initial tree

1 files changed, 47 insertions, 0 deletions

diff --git a/load.c b/load.c
new file mode 100644
index 0000000..c894f5e
--- /dev/null
+++ b/load.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "common.h"
+
+int load(int argc, char **argv) {
+	FILE *f;
+	int warn, crit;
+	float val;
+	char *s;
+	if(argc > 1) {
+		if(!strcmp(argv[1], "config")) {
+			s = getenv("load_warn");
+			if(s)
+				warn = atoi(s);
+			else
+				warn = 10;
+			s = getenv("load_crit");
+			if(s)
+				crit = atoi(s);
+			else
+				crit = 120;
+			puts("graph_title Load average\n"
+				"graph_args --base 1000 -l 0\n"
+				"graph_vlabel load\n"
+				"graph_scale no\n"
+				"graph_category system\n"
+				"load.label load");
+			printf("load.warning %d\nload.critical %d\n", warn, crit);
+			return 0;
+		}
+		if(!strcmp(argv[1], "autoconf"))
+			return writeyes();
+	}
+	if(!(f=fopen("/proc/loadavg", "r"))) {
+		fputs("cannot open /proc/loadavg\n", stderr);
+		return 1;
+	}
+	if(1 != fscanf(f, "%*f %f", &val)) {
+		fputs("cannot read from /proc/loadavg\n", stderr);
+		fclose(f);
+		return 1;
+	}
+	fclose(f);
+	printf("load.value %.2f\n", val);
+	return 0;
+}