initial commitHEADmaster

1 files changed, 55 insertions, 0 deletions

diff --git a/src/verbose.cpp b/src/verbose.cpp
new file mode 100644
index 0000000..5de886f
--- /dev/null
+++ b/src/verbose.cpp
@@ -0,0 +1,55 @@
+#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);
+}