请求队列相关函数修改
修改了部分函数的定义
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@@ -21,6 +21,11 @@ struct bus {
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*/
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typedef struct bus bus_t;
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/**
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* 全局的公交车变量
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*/
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extern bus_t the_bus;
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/**
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* 每个时刻使公交车前进
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* @param rails 轨道链表
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@@ -28,6 +33,6 @@ typedef struct bus bus_t;
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* @param bus 公交车
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* @return 公交车是否到达站点
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*/
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int RunBus(rail_node_t* rails, bus_t bus, int direction);
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int RunBus(int direction);
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#endif //AUTO_PILOT_BUS_BUS_H
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@@ -10,66 +10,20 @@
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#include "query.h"
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#include "bus.h"
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/**
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* 全局的时间计数器
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*/
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extern int BUS_TIME;
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/**
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* 当前正在处理的请求
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*/
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extern bus_query_t *target_query;
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/**
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* 时间增加
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*/
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void AddTime();
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/**
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* 在先来先服务策略下应该前进的方向
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* @param bus 公交车
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* @param queries 请求队列链表
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* @return 前进的方向
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*/
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int FCFSDirection(bus_t bus, bus_query_t queries);
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int FCFSDirection();
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/**
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* 在先来先服务策略下给出处理的请求
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* @param bus 公交车
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* @param queries 请求队列链表
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* @return 需要处理的请求
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*/
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bus_query_t FCFSQuery(bus_t bus, bus_query_t queries);
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/**
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* 在最短寻找时间策略下应该前进的方向
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* @param bus 公交车
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* @param queries 请求队列链表
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* @return 前进的方向
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*/
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int SSTFDirection(bus_t bus, bus_query_t queries);
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/**
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* 在最短寻找时间策略给出处理的请求
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* @param bus 公交车
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* @param queries 请求队列链表
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* @return 需要处理的请求
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*/
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bus_query_t SSTFQuery(bus_t bus, bus_query_t queries);
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/**
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* 顺便服务的前进方向
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* @param bus 公交车
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* @param queries 请求队列链表
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* @return 前进的方向
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*/
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int SCANDirection(bus_t bus, bus_query_t queries);
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/**
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* 顺便服务的策略处理
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* @param bus 公交车
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* @param queries 请求队列链表
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* @return 需要处理的请求
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*/
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bus_query_t SCANQuery(bus_t bus, bus_query_t queries);
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bus_query_t FCFSQuery();
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#endif //AUTO_PILOT_BUS_CONTROLLER_H
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@@ -19,30 +19,37 @@ struct bus_query {
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/**
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* 请求产生/指向的站点
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*/
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rail_node_t node;
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rail_node_t *node;
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/**
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* 指向下一个请求的指针
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*/
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struct bus_query *next_node;
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};
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typedef struct bus_query bus_query_t;
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/**
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* 创建请求
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* @param query 请求链表队列
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* 全局的请求链表头节点
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*/
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extern bus_query_t *queries;
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/**
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* 创建请求链表节点
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* @param type 请求的类型
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* @param node 请求产生/指向的站点
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*/
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void CreateQuery(bus_query_t query, int type, rail_node_t node);
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bus_query_t *CreateQuery(int type, rail_node_t *node);
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/**
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* 删除请求
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* @param query 请求链表队列
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* @param target_query 需要删除的请求
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*/
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void DeleteQuery(bus_query_t query, bus_query_t target_query);
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void DeleteQuery(bus_query_t *target_query);
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/**
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* 释放请求链表占据的空间
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* @param queries 请求链表的头节点
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* @param head 请求链表的头节点
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*/
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void FreeQueries(bus_query_t queries);
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void FreeQueries(bus_query_t *head);
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#endif //AUTO_PILOT_BUS_QUERY_H
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@@ -35,6 +35,11 @@ typedef struct rail_node rail_node_t;
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*/
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extern rail_node_t *rails;
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/**
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* 全局的计时器
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*/
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extern int bus_time;
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/**
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* 查找指定编号的站点指针
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* @param head 轨道的头节点地址
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@@ -55,8 +60,10 @@ rail_node_t *CreateRails(int length, int node_num);
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* 释放分配的内存空间
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* @param railNode 轨道链表的头节点
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*/
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void FreeRails(rail_node_t railNode);
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int add(int a, int b);
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void FreeRails(rail_node_t *head);
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/**
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* 时间走过一秒
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*/
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void AddTime();
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#endif //AUTO_PILOT_BUS_RAIL_H
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