#include <stdlib.h>
#include <glibtop/cpu.h>
+#include <glibtop/netlist.h>
+#include <glibtop/netload.h>
#include <sys/sysinfo.h>
+#include <json/json.h>
+
#include "sysinfo.h"
static glibtop_cpu *cpu;
{
unsigned long int used = 0;
unsigned long int dt;
+ glibtop_netlist buf;
+ char **interfaces;
+ guint32 i;
/* cpu */
if (!cpu)
/* memory */
sysinfo(&info->sysinfo);
+
+ /* network */
+ if (!info->interfaces)
+ info->interfaces = glibtop_get_netlist(&buf);
}
void sysinfo_cleanup()
if (cpu)
free(cpu);
}
+
+static json_object *ram_to_json_object(const struct sysinfo *s)
+{
+ json_object *obj = json_object_new_object();
+
+ json_object_object_add(obj, "total",
+ json_object_new_double(s->totalram));
+
+ json_object_object_add(obj, "free",
+ json_object_new_double(s->freeram));
+
+ json_object_object_add(obj, "shared",
+ json_object_new_double(s->sharedram));
+
+ json_object_object_add(obj, "buffer",
+ json_object_new_double(s->bufferram));
+
+ return obj;
+}
+
+static json_object *swap_to_json_object(const struct sysinfo *s)
+{
+ json_object *obj = json_object_new_object();
+
+ json_object_object_add(obj, "total",
+ json_object_new_double(s->totalswap));
+
+ json_object_object_add(obj, "free",
+ json_object_new_double(s->freeswap));
+
+ return obj;
+}
+
+static json_object *netif_to_json_object(const char *netif)
+{
+ glibtop_netload buf;
+ json_object *obj = json_object_new_object();
+
+ json_object_object_add(obj, "name", json_object_new_string(netif));
+
+ glibtop_get_netload(&buf, netif);
+
+ json_object_object_add(obj, "bytes_in",
+ json_object_new_double(buf.bytes_in));
+
+ json_object_object_add(obj, "bytes_out",
+ json_object_new_double(buf.bytes_out));
+
+ return obj;
+}
+
+static json_object *net_to_json_object(const struct psysinfo *s)
+{
+ char **netif = s->interfaces;
+ json_object *net = json_object_new_array();
+
+ while (*netif) {
+ json_object_array_add(net, netif_to_json_object(*netif));
+
+ netif++;
+ }
+
+ return net;
+}
+
+static json_object *sysinfo_to_json_object(const struct psysinfo *s)
+{
+ static float load_scale = 1 << SI_LOAD_SHIFT;
+ json_object *mo;
+ json_object *obj = json_object_new_object();
+ struct measure *m;
+
+ json_object_object_add(obj, "load",
+ json_object_new_double(s->cpu_rate));
+
+ json_object_object_add
+ (obj, "load_1",
+ json_object_new_double(s->sysinfo.loads[0] / load_scale));
+
+ json_object_object_add
+ (obj, "load_5",
+ json_object_new_double(s->sysinfo.loads[1] / load_scale));
+
+ json_object_object_add
+ (obj, "load_15",
+ json_object_new_double(s->sysinfo.loads[2] / load_scale));
+
+ json_object_object_add
+ (obj, "uptime", json_object_new_double(s->sysinfo.uptime));
+
+ json_object_object_add
+ (obj, "mem_unit", json_object_new_double(s->sysinfo.mem_unit));
+
+ json_object_object_add(obj, "ram", ram_to_json_object(&s->sysinfo));
+ json_object_object_add(obj, "swap", swap_to_json_object(&s->sysinfo));
+ json_object_object_add(obj, "net", net_to_json_object(s));
+
+ return obj;
+}
+
+char *sysinfo_to_json_string(const struct psysinfo *s)
+{
+ char *str;
+ json_object *obj = sysinfo_to_json_object(s);
+
+ str = strdup(json_object_to_json_string(obj));
+
+ json_object_put(obj);
+
+ return str;
+}