后台改为zlog实现

zlog/mdc.c

@@ -0,0 +1,145 @@
+/*
+ * This file is part of the zlog Library.
+ *
+ * Copyright (C) 2011 by Hardy Simpson <HardySimpson1984@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING in base directory.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include "mdc.h"
+#include "zc_defs.h"
+
+void zlog_mdc_profile(zlog_mdc_t *a_mdc, int flag)
+{
+	zc_hashtable_entry_t *a_entry;
+	zlog_mdc_kv_t *a_mdc_kv;
+
+	zc_assert(a_mdc,);
+	zc_profile(flag, "---mdc[%p]---", a_mdc);
+
+	zc_hashtable_foreach(a_mdc->tab, a_entry) {
+		a_mdc_kv = a_entry->value;
+		zc_profile(flag, "----mdc_kv[%p][%s]-[%s]----",
+				a_mdc_kv,
+				a_mdc_kv->key, a_mdc_kv->value);
+	}
+	return;
+}
+/*******************************************************************************/
+void zlog_mdc_del(zlog_mdc_t * a_mdc)
+{
+	zc_assert(a_mdc,);
+	if (a_mdc->tab) zc_hashtable_del(a_mdc->tab);
+	zc_debug("zlog_mdc_del[%p]", a_mdc);
+    free(a_mdc);
+	return;
+}
+
+static void zlog_mdc_kv_del(zlog_mdc_kv_t * a_mdc_kv)
+{
+	zc_debug("zlog_mdc_kv_del[%p]", a_mdc_kv);
+    free(a_mdc_kv);
+}
+
+static zlog_mdc_kv_t *zlog_mdc_kv_new(const char *key, const char *value)
+{
+	zlog_mdc_kv_t *a_mdc_kv;
+
+	a_mdc_kv = calloc(1, sizeof(zlog_mdc_kv_t));
+	if (!a_mdc_kv) {
+		zc_error("calloc fail, errno[%d]", errno);
+		return NULL;
+	}
+
+	snprintf(a_mdc_kv->key, sizeof(a_mdc_kv->key), "%s", key);
+	a_mdc_kv->value_len = snprintf(a_mdc_kv->value, sizeof(a_mdc_kv->value), "%s", value);
+	return a_mdc_kv;
+}
+
+zlog_mdc_t *zlog_mdc_new(void)
+{
+	zlog_mdc_t *a_mdc;
+
+	a_mdc = calloc(1, sizeof(zlog_mdc_t));
+	if (!a_mdc) {
+		zc_error("calloc fail, errno[%d]", errno);
+		return NULL;
+	}
+
+	a_mdc->tab = zc_hashtable_new(20,
+			      zc_hashtable_str_hash,
+			      zc_hashtable_str_equal, NULL,
+			      (zc_hashtable_del_fn) zlog_mdc_kv_del);
+	if (!a_mdc->tab) {
+		zc_error("zc_hashtable_new fail");
+		goto err;
+	}
+
+	//zlog_mdc_profile(a_mdc, ZC_DEBUG);
+	return a_mdc;
+err:
+	zlog_mdc_del(a_mdc);
+	return NULL;
+}
+
+/*******************************************************************************/
+int zlog_mdc_put(zlog_mdc_t * a_mdc, const char *key, const char *value)
+{
+	zlog_mdc_kv_t *a_mdc_kv;
+
+	a_mdc_kv = zlog_mdc_kv_new(key, value);
+	if (!a_mdc_kv) {
+		zc_error("zlog_mdc_kv_new failed");
+		return -1;
+	}
+
+	if (zc_hashtable_put(a_mdc->tab, a_mdc_kv->key, a_mdc_kv)) {
+		zc_error("zc_hashtable_put fail");
+		zlog_mdc_kv_del(a_mdc_kv);
+		return -1;
+	}
+
+	return 0;
+}
+
+void zlog_mdc_clean(zlog_mdc_t * a_mdc)
+{
+	zc_hashtable_clean(a_mdc->tab);
+	return;
+}
+
+char *zlog_mdc_get(zlog_mdc_t * a_mdc, const char *key)
+{
+	zlog_mdc_kv_t *a_mdc_kv;
+
+	a_mdc_kv = zc_hashtable_get(a_mdc->tab, key);
+	if (!a_mdc_kv) {
+		zc_error("zc_hashtable_get fail");
+		return NULL;
+	} else {
+		return a_mdc_kv->value;
+	}
+}
+
+zlog_mdc_kv_t *zlog_mdc_get_kv(zlog_mdc_t * a_mdc, const char *key)
+{
+	zlog_mdc_kv_t *a_mdc_kv;
+
+	a_mdc_kv = zc_hashtable_get(a_mdc->tab, key);
+	if (!a_mdc_kv) {
+		zc_error("zc_hashtable_get fail");
+		return NULL;
+	} else {
+		return a_mdc_kv;
+	}
+}
+
+void zlog_mdc_remove(zlog_mdc_t * a_mdc, const char *key)
+{
+	zc_hashtable_remove(a_mdc->tab, key);
+	return;
+}