修改项目结构以便于扩展,引入clang-format格式化
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122
src/interceptor/logging-interceptor-substr.c
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122
src/interceptor/logging-interceptor-substr.c
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@@ -0,0 +1,122 @@
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/********************************************
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* @Date: 2024 08 12
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* @Description: 日志拦截器
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*********************************************/
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#include "logging/logging-interceptor.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static log_Interceptor *G_interceptor = NULL;
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static char **G_keywords = NULL;
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static void get_next(char *str, int *next) {
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next[1] = 0;
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int i = 1;
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int j = 0;
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while (i < strlen(str)) {
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if (j == 0 || str[i] == str[j]) {
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next[++i] = ++j;
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} else {
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j = next[j];
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}
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}
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}
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static bool kmp_search(char *substr, char *master) {
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int i = 0;
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int j = 0;
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int substrlen = strlen(substr);
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int masterlen = strlen(master);
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int *next = (int *)malloc(sizeof(int) * substrlen + 1);
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get_next(substr, next);
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while (i < masterlen && j < substrlen) {
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if (master[i] == substr[j]) {
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i++;
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j++;
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} else {
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if (j == 0) {
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i++;
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} else {
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j = next[j];
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}
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}
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}
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free(next);
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if (j == substrlen)
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return true;
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else
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return false;
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}
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/**
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* @description 处理
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* @param
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* @return
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*/
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static bool _disposeSubstring(char *level, const char *message, ...) {
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int count = 0;
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if (G_keywords == NULL) {
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return false;
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}
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while (G_keywords[count] != NULL) {
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if (kmp_search(G_keywords[count], (char *)message)) {
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return true;
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}
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count++;
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}
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return false;
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}
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/**
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* @description : 完成拦截器自我释放内存
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*/
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static void _freeSubstring(log_Interceptor *interceptor) {
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int sum = 0;
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while (G_keywords[sum] != NULL) {
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free(G_keywords[sum]);
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sum++;
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}
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free(G_keywords);
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G_keywords = NULL;
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if (interceptor->handler != NULL) {
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interceptor->handler->_free(interceptor->handler);
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}
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free(interceptor);
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}
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/**
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* @description : 子字符串拦截器
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*/
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log_Interceptor *substringInterceptor(char *keywords[],
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int count,
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log_level level,
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log_Handler *handler) {
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log_Interceptor *interceptor =
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(log_Interceptor *)malloc(sizeof(log_Interceptor));
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interceptor->_dispose = _disposeSubstring;
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interceptor->handler = handler;
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interceptor->level = level;
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interceptor->_free = _freeSubstring;
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G_keywords = (char **)malloc((sizeof(G_keywords) * count) + 1);
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for (int i = 0; i < count; i++) {
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G_keywords[i] = (char *)malloc(strlen(keywords[i]) + 1);
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strcpy(G_keywords[i], keywords[i]);
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}
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G_keywords[count] = NULL;
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G_interceptor = interceptor;
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return G_interceptor;
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}
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