后台改为zlog实现

zlog/category_table.c

@@ -0,0 +1,129 @@
+/*
+ * 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 <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "zc_defs.h"
+#include "category_table.h"
+
+void zlog_category_table_profile(zc_hashtable_t * categories, int flag)
+{
+	zc_hashtable_entry_t *a_entry;
+	zlog_category_t *a_category;
+
+	zc_assert(categories,);
+	zc_profile(flag, "-category_table[%p]-", categories);
+	zc_hashtable_foreach(categories, a_entry) {
+		a_category = (zlog_category_t *) a_entry->value;
+		zlog_category_profile(a_category, flag);
+	}
+	return;
+}
+
+/*******************************************************************************/
+
+void zlog_category_table_del(zc_hashtable_t * categories)
+{
+	zc_assert(categories,);
+	zc_hashtable_del(categories);
+	zc_debug("zlog_category_table_del[%p]", categories);
+	return;
+}
+
+zc_hashtable_t *zlog_category_table_new(void)
+{
+	zc_hashtable_t *categories;
+
+	categories = zc_hashtable_new(20,
+			 (zc_hashtable_hash_fn) zc_hashtable_str_hash,
+			 (zc_hashtable_equal_fn) zc_hashtable_str_equal,
+			 NULL, (zc_hashtable_del_fn) zlog_category_del);
+	if (!categories) {
+		zc_error("zc_hashtable_new fail");
+		return NULL;
+	} else {
+		zlog_category_table_profile(categories, ZC_DEBUG);
+		return categories;
+	}
+}
+/*******************************************************************************/
+int zlog_category_table_update_rules(zc_hashtable_t * categories, zc_arraylist_t * new_rules)
+{
+	zc_hashtable_entry_t *a_entry;
+	zlog_category_t *a_category;
+
+	zc_assert(categories, -1);
+	zc_hashtable_foreach(categories, a_entry) {
+		a_category = (zlog_category_t *) a_entry->value;
+		if (zlog_category_update_rules(a_category, new_rules)) {
+			zc_error("zlog_category_update_rules fail, try rollback");
+			return -1;
+		}
+	}
+	return 0;
+}
+
+void zlog_category_table_commit_rules(zc_hashtable_t * categories)
+{
+	zc_hashtable_entry_t *a_entry;
+	zlog_category_t *a_category;
+
+	zc_assert(categories,);
+	zc_hashtable_foreach(categories, a_entry) {
+		a_category = (zlog_category_t *) a_entry->value;
+		zlog_category_commit_rules(a_category);
+	}
+	return;
+}
+
+void zlog_category_table_rollback_rules(zc_hashtable_t * categories)
+{
+	zc_hashtable_entry_t *a_entry;
+	zlog_category_t *a_category;
+
+	zc_assert(categories,);
+	zc_hashtable_foreach(categories, a_entry) {
+		a_category = (zlog_category_t *) a_entry->value;
+		zlog_category_rollback_rules(a_category);
+	}
+	return;
+}
+
+/*******************************************************************************/
+zlog_category_t *zlog_category_table_fetch_category(zc_hashtable_t * categories,
+			const char *category_name, zc_arraylist_t * rules)
+{
+	zlog_category_t *a_category;
+
+	zc_assert(categories, NULL);
+
+	/* 1st find category in global category map */
+	a_category = zc_hashtable_get(categories, category_name);
+	if (a_category) return a_category;
+
+	/* else not found, create one */
+	a_category = zlog_category_new(category_name, rules);
+	if (!a_category) {
+		zc_error("zc_category_new fail");
+		return NULL;
+	}
+
+	if(zc_hashtable_put(categories, a_category->name, a_category)) {
+		zc_error("zc_hashtable_put fail");
+		goto err;
+	}
+
+	return a_category;
+err:
+	zlog_category_del(a_category);
+	return NULL;
+}
+
+/*******************************************************************************/