108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
#include "bus_io.h"
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/**
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* @brief 程序的主函数
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*
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* @return int 程序结束的状态，0表示成功
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*/
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int main()
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{
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/**
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* 输入的字符串
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*/
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char input[30];
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/**
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* 输出的字符串
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*/
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char *output;
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/**
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* the_bus指针的本体
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*/
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bus_t main_bus;
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/**
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* 公交车前进的方向
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*/
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int direction;
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/**
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* 完成的请求
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*/
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bus_query_t *finished_query;
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// 读取配置文件
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rails = ReadConfigFile();
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// 制造公交车
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the_bus = &main_bus;
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the_bus->distance = 0;
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the_bus->rail_node_pos = FindNode(rails, 1);
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// 开始时公交车应该是停下的
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direction = BUS_STOP;
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output = PrintState();
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printf("%s", output);
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for(;;)
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{
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fgets(input, sizeof input, stdin);
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int result = ReadInput(input);
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if(result == IO_CLOCK)
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{
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// 时间流动
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AddTime();
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switch (chosen_strategy)
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{
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case BUS_FCFS:
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// 如果到站，处理请求和
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if(JudgeOnStation() == BUS_TRUE)
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{
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direction = FCFSDirection();
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finished_query = FCFSQuery();
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if(finished_query != NULL) // 有请求就处理请求
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{
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// 循环处理所有可以处理的请求，总共消耗一秒
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while (finished_query != NULL)
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{
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DeleteQuery(finished_query);
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finished_query = FCFSQuery();
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}
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}
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else //如果没有请求就继续前进
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{
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RunBus(direction);
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}
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}
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else
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{
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RunBus(direction);
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}
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break;
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case BUS_SSTF:
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break;
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case BUS_SCAN:
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break;
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default:
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break;
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}
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output = PrintState();
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}
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else if(result == IO_END)
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{
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printf("end\n");
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break;
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}
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else
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{
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output = NULL;
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//在读取到创建请求的情况下，不做任何事
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}
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if(output != NULL)
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{
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printf("%s", output);
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}
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}
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} |