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authorHisham Muhammad <hisham@gobolinux.org>2006-03-04 18:16:49 +0000
committerHisham Muhammad <hisham@gobolinux.org>2006-03-04 18:16:49 +0000
commitd6231bab89d634da5564491196b7c478db038505 (patch)
treebfc0bf00b138763eb41132fd27a8f389a78bf3a4 /LoadMeter.c
Initial import.
Diffstat (limited to 'LoadMeter.c')
-rw-r--r--LoadMeter.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/LoadMeter.c b/LoadMeter.c
new file mode 100644
index 00000000..21f5d2fc
--- /dev/null
+++ b/LoadMeter.c
@@ -0,0 +1,63 @@
+/*
+htop
+(C) 2004-2006 Hisham H. Muhammad
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "LoadMeter.h"
+#include "Meter.h"
+
+#include "ProcessList.h"
+
+#include "debug.h"
+
+/*{
+
+typedef struct LoadMeter_ LoadMeter;
+
+struct LoadMeter_ {
+ Meter super;
+ ProcessList* pl;
+};
+
+}*/
+
+LoadMeter* LoadMeter_new() {
+ LoadMeter* this = malloc(sizeof(LoadMeter));
+ Meter_init((Meter*)this, String_copy("Load"), String_copy("Load: "), 1);
+ ((Meter*)this)->attributes[0] = LOAD;
+ ((Meter*)this)->setValues = LoadMeter_setValues;
+ ((Object*)this)->display = LoadMeter_display;
+ Meter_setMode((Meter*)this, GRAPH);
+ ((Meter*)this)->total = 1.0;
+ return this;
+}
+
+/* private */
+void LoadMeter_scan(double* one, double* five, double* fifteen) {
+ int activeProcs, totalProcs, lastProc;
+ FILE *fd = fopen(PROCDIR "/loadavg", "r");
+ int read = fscanf(fd, "%lf %lf %lf %d/%d %d", one, five, fifteen,
+ &activeProcs, &totalProcs, &lastProc);
+ (void) read;
+ assert(read == 6);
+ fclose(fd);
+}
+
+void LoadMeter_setValues(Meter* cast) {
+ double five, fifteen;
+ LoadMeter_scan(&cast->values[0], &five, &fifteen);
+ if (cast->values[0] > cast->total) {
+ cast->total = cast->values[0];
+ }
+ snprintf(cast->displayBuffer.c, 7, "%.2f", cast->values[0]);
+}
+
+void LoadMeter_display(Object* cast, RichString* out) {
+ LoadMeter* this = (LoadMeter*)cast;
+ char buffer[20];
+ RichString_prune(out);
+ sprintf(buffer, "%.2f ", ((Meter*)this)->values[0]);
+ RichString_append(out, CRT_colors[LOAD], buffer);
+}