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Commit a2bd74e

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#P3 complete
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.SUFFIXES: .c .o
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.PHONY: dep all new clean
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# Compiler
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CC = gcc
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# Compile option
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# -c: Generate object file
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# -W, -Wall: Print warning about all ambigous grammer
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# -Wextra: Print warning out of -W, -Wall
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# -O2: Optimization
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# -g: Debugging, PLEASE DELETE AFTER PROJECT COMPLETE!
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CFLAGS = -c -W -Wall -Wextra -g $(INC)
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# Execute program file
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CRONTAB = ssu_crontab
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CROND = ssu_crond
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RSYNC = ssu_rsync
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# Source file
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COMMON_SRCS = common.c
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CRONTAB_SRCS = ssu_crontab.c
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CROND_SRCS = ssu_crond.c
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RSYNC_SRCS = ssu_rsync.c
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CRON_SUPPORT_SRCS = cron_support.c
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SRCS = $(COMMON_SRCS) $(CRONTAB_SRCS) $(CROND_SRCS) $(RSYNC_SRCS) $(CRON_SUPPORT_SRCS)
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# Object file
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COMMON_OBJS = $(COMMON_SRCS:.c=.o)
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CRONTAB_OBJS = $(CRONTAB_SRCS:.c=.o)
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CROND_OBJS = $(CROND_SRCS:.c=.o)
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RSYNC_OBJS = $(RSYNC_SRCS:.c=.o)
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CRON_SUPPORT_OBJS = $(CRON_SUPPORT_SRCS:.c=.o)
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OBJS = $(COMMON_OBJS) $(CRONTAB_OBJS) $(CROND_OBJS) $(RSYNC_OBJS) $(CRON_SUPPORT_OBJS)
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# Library file
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LIBS =
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# Include path
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INC =
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# Execute file grneration
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# $@ = TARGET
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# $^ = DEPENDENCY
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# make all: Make all execute file
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all : $(OBJS)
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$(CC) -o $(CRONTAB) $(COMMON_OBJS) $(CRONTAB_OBJS) $(CRON_SUPPORT_OBJS) $(LIBS)
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$(CC) -o $(CROND) $(CROND_OBJS) $(CRON_SUPPORT_OBJS) $(LIBS) -lpthread
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$(CC) -o $(RSYNC) $(COMMON_OBJS) $(RSYNC_OBJS) $(LIBS)
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$(CRONTAB) : $(COMMON_OBJS) $(CRONTAB_OBJS) $(CRON_SUPPORT_OBJS)
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$(CC) -o $@ $^ $(LIBS)
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$(CROND) : $(CROND_OBJS) $(CRON_SUPPORT_OBJS)
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$(CC) -o $@ $^ $(LIBS) -lpthread
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$(RSYNC) : $(COMMON_OBJS) $(RSYNC_OBJS)
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$(CC) -o $@ $^ $(LIBS)
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# Object file generation
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$(OBJS):
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$(CC) $(CFLAGS) $(SRCS)
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# make dep: Make dependency information file
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dep:
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$(CC) -M $(INC) $(SRCS) > .dependency
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# make new: Re-generation
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new:
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$(MAKE) clean
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$(MAKE) all
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# make clean: Remove all generated file
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clean:
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rm -rf $(OBJS) $(CRONTAB) $(CROND) $(RSYNC)
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C_SSU_Crontab&Rsync
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#Requirement
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1. Makefile 통합 생성
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- https://jhb.kr/56?category=735240
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- https://mug896.github.io/make-script/rules.html
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2. Doxyzen 주석 규칙 적용
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- https://github.com/xpressengine/xe-core/wiki/%EC%BD%94%EB%93%9C-%EB%AC%B8%EC%84%9C%ED%99%94%EB%A5%BC-%EC%9C%84%ED%95%9C-%EC%A3%BC%EC%84%9D-%EA%B7%9C%EC%B9%99(Draft-v0.1)
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3. gdb 디버깅
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- https://blankspace-dev.tistory.com/434?category=705047
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4. MacOS systemctl
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- https://devlog.jwgo.kr/2019/07/03/how-do-i-check-if-a-service-is-running-in-mac/
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5. crontab 등록
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- https://zetawiki.com/wiki/스크립트_crontab_등록
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/**
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* @file common.c
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* @brief 프로젝트에서 공통적으로 사용되는 함수 정의
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* @author 김병준 (kbj9704@gmail.com)
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*/
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#include "common.h"
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/**
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* @brief 실행 시간 출력
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* @param begin_t 시작 시간
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* @param end_t 종료 시간
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*/
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void ssu_runtime(struct timeval *begin_t, struct timeval *end_t) // 실행 시간 출력
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{
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end_t->tv_sec -= begin_t->tv_sec;
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if(end_t->tv_usec < begin_t->tv_usec){
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end_t->tv_sec--;
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end_t->tv_usec += SECOND_TO_MICRO;
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}
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end_t->tv_usec -= begin_t->tv_usec;
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printf("Runtime: %ld:%ld(sec:usec)\n", end_t->tv_sec, end_t->tv_usec);
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}
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/**
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* @file common.h
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* @brief 프로젝트에서 공통적으로 사용되는 라이브러리, 매크로 정의
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* @author 김병준 (kbj9704@gmail.com)
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*/
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#ifndef COMMON_H
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#define COMMON_H
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//#define DEBUG
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include <string.h>
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#include <time.h>
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#include <sys/time.h>
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// 버퍼 크기
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#define BUFFER_SIZE 256
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#define MAX_BUFFER_SIZE 1024
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// 시간 크기
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#define SECOND_TO_MICRO 100000
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void ssu_runtime(struct timeval *begin_t, struct timeval *end_t); // 실행시간 출력
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#endif // COMMON_H
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/**
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* @file cron_support.c
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* @brief ssu_crontab, ssu_crond에서 공통적으로 사용되는 함수
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* @author 김병준 (kbj9704@gmail.com)
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*/
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#include "cron_support.h"
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FILE *fp;
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pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; // 뮤텍스 객체 선언
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extern char reservation_command[BUFFER_SIZE][MAX_BUFFER_SIZE]; // 예약 명령 목록
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/**
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* @brief 입력한 명령행을 토큰 구조체로 변환
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* @param command 명령행 토큰 구조체
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* @param command_buffer 명령 문자열
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*/
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void make_command_token(CommandToken *command, char *command_buffer) // 입력한 명령행을 토큰 구조체로 변환
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{
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char *tmp;
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char *last;
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#ifdef DEBUG
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printf("make_command_token(): command_buffer = %s\n", command_buffer);
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#endif
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command->argv = (char**)calloc(BUFFER_SIZE, sizeof(char*));
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command->argc = 0;
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if ((tmp = strtok_r(command_buffer, " ", &last)) == NULL)
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return;
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#ifdef DEBUG
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printf("make_command_token(): command->argv[%d] = %s\n", command->argc, tmp);
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#endif
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command->argv[command->argc] = (char *)calloc(BUFFER_SIZE, sizeof(char));
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strcpy(command->argv[command->argc++], tmp);
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while ((tmp = strtok_r(NULL, " ", &last)) != NULL) {
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#ifdef DEBUG
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printf("make_command_token(): command->argv[%d] = %s\n", command->argc, tmp);
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#endif
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command->argv[command->argc] = (char *)calloc(BUFFER_SIZE, sizeof(char));
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strcpy(command->argv[command->argc++], tmp);
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}
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}
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/**
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* @brief 명령행 구조체 초기화
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* @param command 명령행 구조체
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*/
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void free_command_token(CommandToken *command) // 명령행 구조체 초기화
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{
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int i;
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for (i = 0; i < command->argc; i++)
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free(command->argv[i]);
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free(command->argv);
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}
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/**
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* @brief 예약 명령 목록 가져오기
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*/
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int get_reservation_command(void) // 예약 명령 목록 가져오
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{
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FILE *fp;
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int count = 0;
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if ((fp = fopen(CRONTAB_FILE, "r+")) == NULL) {
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fprintf(stderr, "get_reservation_command: fopen error for %s\n", CRONTAB_FILE);
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return count;
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}
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while(fscanf(fp, "%[^\n]\n", reservation_command[count]) > 0)
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count++;
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#ifdef DEBUG
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printf("get_reservation_command: reservation_count = %d\n", count);
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#endif
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fclose(fp);
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return count;
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}
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/**
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* @brief 로그 파일에 이력 기록
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* @param command_type 명령 타입 번호
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* @param command 명령 문자열
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*/
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void write_log(int command_type, char *command) // 로그 파일에 이력 기록
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{
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time_t now_t;
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struct tm *now_tm;
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pthread_mutex_lock(&mutex);
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if ((fp = fopen(CRONTAB_LOG, "r+")) == NULL)
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fp = fopen(CRONTAB_LOG, "w");
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fseek(fp, 0, SEEK_END);
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time(&now_t);
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now_tm = localtime(&now_t);
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switch (command_type) {
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case ADD:
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//sprintf(temp, "echo \"[%.24s] %s %s\" >> %s", asctime(now_tm), "add", command, CRONTAB_LOG);
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fprintf(fp, "[%.24s] %s %s\n", asctime(now_tm), "add", command);
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break;
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case REMOVE:
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//sprintf(temp, "echo \"[%.24s] %s %s\" >> %s", asctime(now_tm), "remove", command, CRONTAB_LOG);
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fprintf(fp, "[%.24s] %s %s\n", asctime(now_tm), "remove", command);
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break;
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case RUN:
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//sprintf(temp, "echo \"[%.24s] %s %s\" >> %s", asctime(now_tm), "run", command, CRONTAB_LOG);
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fprintf(fp, "[%.24s] %s %s\n", asctime(now_tm), "run", command);
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break;
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}
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fclose(fp);
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pthread_mutex_unlock(&mutex);
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}
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/**
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* @file cron_support.h
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* @brief ssu_crontab과 ssu_crond에서 공통적으로 사용되는 라이브러리, 매크로 정의
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* @author 김병준 (kbj9704@gmail.com)
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*/
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#ifndef CRON_SUPPORT_H
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#define CRON_SUPPORT_H
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#include <pthread.h>
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#include "common.h"
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/**
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* @brief 명령어 타입 번호
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*/
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#define ADD 1
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#define REMOVE 2
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#define RUN 3
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#define EXIT 4
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#define UNKNOWN 5
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/**
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* @brief 주기 타입 번호
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*/
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#define MINUTE 1
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#define HOUR 2
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#define DAY 3
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#define MONTH 4
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#define DAY_OF_WEEK 5
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/**
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* @brief 파일 이름
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*/
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#define CRONTAB_FILE "ssu_crontab_file"
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#define CRONTAB_LOG "ssu_crontab_log"
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/**
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* @brief 프롬프트 명령행 토큰 구조체
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* @param argc 인자 개수
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* @param argv 인자 토큰
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*/
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typedef struct CommandTokenStruct
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{
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int argc; // 인자 개수
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char **argv; // 인자 토큰
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} CommandToken;
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void make_command_token(CommandToken *command, char *command_buffer); // 입력한 명령행을 토큰 구조체로 변환
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void free_command_token(CommandToken *command); // 토큰 구조체 메모리 해제
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int get_reservation_command(void); // 예약 명령 목록 가져오기
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void write_log(int command_type, char *command); // 로그 파일에 이력 기록
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#endif // CRON_SUPPORT_H

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