1 files changed, 72 insertions, 0 deletions
diff --git a/src/status.c b/src/status.c
new file mode 100644
index 0000000..00b9047
--- /dev/null
+++ b/src/status.c
@@ -0,0 +1,72 @@
+/**
+ * Cmon (c'mon) is a simple system resource monitor
+ * Copyright (C) 2022  Aaron Ball <nullspoon@oper.io>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#include "status.h"
+
+struct status* status_init() {
+  struct status* s = malloc(sizeof(struct status));
+  int status = 0;
+
+  s->memmax  = 0;
+  s->memavg  = 0;
+  s->loadavg = 0;
+  s->loadmax = 0;
+  s->nettx   = 0;
+  s->netrx   = 0;
+  s->count   = 0;
+  s->uptime  = 0;
+
+  FILE* fd = fopen("/tmp/cmon.status", "r");
+  if(fd) {
+    status += fscanf(fd, "memmax:%ld\n",  &s->memmax);
+    status += fscanf(fd, "memavg:%ld\n",  &s->memavg);
+    status += fscanf(fd, "loadmax:%lf\n", &s->loadmax);
+    status += fscanf(fd, "loadavg:%lf\n", &s->loadavg);
+    status += fscanf(fd, "nprocs:%d\n",   &s->nprocs);
+    status += fscanf(fd, "nettx:%lld\n",  &s->nettx);
+    status += fscanf(fd, "netrx:%lld\n",  &s->netrx);
+    status += fscanf(fd, "uptime:%ld\n",  &s->uptime);
+    status += fscanf(fd, "count:%ld\n",   &s->count);
+    if(status != 9) {
+      fprintf(stderr, "ERROR reading status file\n");
+      return NULL;
+    }
+    fclose(fd);
+  }
+  return s;
+}
+
+int status_write(struct status* s) {
+  FILE* fd = fopen("/tmp/cmon.status", "w");
+
+  fprintf(fd, "memmax:%ld\n",  s->memmax);
+  fprintf(fd, "memavg:%ld\n",  s->memavg);
+  fprintf(fd, "loadmax:%lf\n", s->loadmax);
+  fprintf(fd, "loadavg:%lf\n", s->loadavg);
+  fprintf(fd, "nprocs:%d\n",   s->nprocs);
+  fprintf(fd, "nettx:%lld\n",  s->nettx);
+  fprintf(fd, "netrx:%lld\n",  s->netrx);
+  fprintf(fd, "uptime:%ld\n",  s->uptime);
+  fprintf(fd, "count:%ld\n",   s->count);
+
+  fclose(fd);
+  return 1;
+}
+
+void status_free(struct status* s) {
+  free(s);
+}