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#include "verbose.h"
#include <cjson/cJSON.h>
#include <stdio.h>
#include <stdlib.h>
static bool g_verbose = false;
static void (*g_sink)(const char *, void *) = NULL;
static void *g_sink_ud = NULL;
void verbose_set(bool on) {
g_verbose = on;
}
bool verbose_enabled(void) {
return g_verbose;
}
void verbose_set_sink(void (*sink)(const char *line, void *ud), void *ud) {
g_sink = sink;
g_sink_ud = ud;
}
void verbose_log(const char *event, const vlog_kv *kvs, size_t n) {
if (!g_verbose)
return;
cJSON *obj = cJSON_CreateObject();
cJSON_AddStringToObject(obj, "event", event);
for (size_t i = 0; i < n && kvs; i++) {
const vlog_kv *kv = &kvs[i];
switch (kv->kind) {
case VLOG_STR:
cJSON_AddStringToObject(obj, kv->key, kv->s ? kv->s : "");
break;
case VLOG_INT:
cJSON_AddNumberToObject(obj, kv->key, kv->i);
break;
case VLOG_BOOL:
cJSON_AddBoolToObject(obj, kv->key, kv->b);
break;
case VLOG_DBL:
cJSON_AddNumberToObject(obj, kv->key, kv->d);
break;
}
}
char *line = cJSON_PrintUnformatted(obj);
if (line) {
if (g_sink)
g_sink(line, g_sink_ud);
else
fprintf(stderr, "%s\n", line);
free(line);
}
cJSON_Delete(obj);
}
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