| /******************************************************************************* |
| * Copyright (C) 2004-2006 Intel Corp. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Intel Corp. nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL Intel Corp. OR THE CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| *******************************************************************************/ |
| |
| /** |
| * @author Anas Nashif |
| */ |
| #ifdef HAVE_CONFIG_H |
| #include <wsman_config.h> |
| #endif |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| |
| #include "u/libu.h" |
| |
| |
| static list_t *handlers = NULL; |
| |
| unsigned int |
| debug_add_handler(debug_fn fn, debug_level_e level, void *user_data) |
| { |
| lnode_t *new_node; |
| debug_handler_t *handler = |
| (debug_handler_t *) u_malloc(sizeof(debug_handler_t)); |
| if (!handler) |
| return 0; |
| if (!handlers) { |
| handlers = list_create(LISTCOUNT_T_MAX); |
| if (!handlers) { |
| u_free(handler); |
| return 0; |
| } |
| } |
| handler->fn = fn; |
| handler->level = level; |
| handler->user_data = user_data; |
| |
| if (list_count(handlers) > 0) { |
| lnode_t *n = list_last(handlers); |
| handler->id = ((debug_handler_t *) n->list_data)->id + 1; |
| } else |
| handler->id = 1; |
| |
| new_node = lnode_create(handler); |
| if (!new_node) { |
| u_free(handler); |
| return 0; |
| } |
| list_append(handlers, new_node); |
| |
| return handler->id; |
| } |
| |
| void debug_remove_handler(unsigned int id) |
| { |
| lnode_t *iter = list_first(handlers); |
| while (iter) { |
| debug_handler_t *handler = |
| (debug_handler_t *) iter->list_data; |
| |
| if (handler->id == id) { |
| list_delete(handlers, iter); |
| lnode_destroy(iter); |
| return; |
| } |
| iter = list_next(handlers, iter); |
| } |
| } |
| |
| |
| void debug_destroy_handlers(void) |
| { |
| list_destroy_nodes(handlers); |
| list_destroy(handlers); |
| } |
| |
| static void call_handlers(debug_level_e level, char *str) |
| { |
| lnode_t *iter; |
| debug_handler_t *handler; |
| iter = list_first(handlers); |
| while (iter) { |
| handler = (debug_handler_t *) iter->list_data; |
| if ((handler->level == DEBUG_LEVEL_ALWAYS) || |
| (level <= handler->level)) |
| handler->fn(str, level, handler->user_data); |
| iter = list_next(handlers, iter); |
| } |
| } |
| |
| |
| int debug_full(debug_level_e level, const char *format, ...) |
| { |
| va_list args; |
| char *str; |
| int ret = 0; |
| |
| if (handlers == NULL) { |
| return -1; |
| } |
| |
| va_start(args, format); |
| str = u_strdup_vprintf(format, args); |
| va_end(args); |
| if (str == NULL) { |
| return -1; |
| } |
| |
| call_handlers(level, str); |
| ret = strlen(str); |
| |
| u_free(str); |
| return ret; |
| } |
| |
| |
| |
| int |
| debug_full_verbose(debug_level_e level, |
| char *file, |
| int line, const char *proc, const char *format, ...) |
| { |
| va_list args; |
| char *str; |
| char *body; |
| int ret = 0; |
| |
| if (handlers == NULL) { |
| return -1; |
| } |
| |
| va_start(args, format); |
| body = u_strdup_vprintf(format, args); |
| va_end(args); |
| if (body == NULL) { |
| return -1; |
| } |
| |
| str = u_strdup_printf("[%d] %s:%d(%s) %s", |
| level, file, line, proc, body); |
| u_free(body); |
| if (str == NULL) { |
| return -1; |
| } |
| |
| call_handlers(level, str); |
| ret = strlen(str); |
| |
| u_free(str); |
| return ret; |
| } |