完成了配置文件读取函数

添加了配置文件单元测试
配置文件读取函数单元测试完成

include/bus_io.h

@@ -7,6 +7,7 @@
 #include "rail.h"
 #include "query.h"
 #include "define.h"
+#include "controller.h"
 #include "string.h"
 #include "stdio.h"
 

include/controller.h

@@ -14,6 +14,10 @@
  * 当前正在处理的请求
  */
 extern bus_query_t *target_query;
+/**
+ * 当前选择的策略
+ */
+extern int chosen_strategy;
 
 /**
  * 在先来先服务策略下应该前进的方向
@@ -25,5 +29,5 @@ int FCFSDirection();
  * 在先来先服务策略下给出处理的请求
  * @return 需要处理的请求
  */
-bus_query_t FCFSQuery();
+bus_query_t *FCFSQuery();
 #endif //AUTO_PILOT_BUS_CONTROLLER_H

include/define.h

@@ -14,5 +14,8 @@
 #define IO_CLOCK 0 // 读取时钟指令
 #define IO_READING 1 // 读取请求指令
 #define IO_END 2 // 读取结束指令
+#define BUS_FCFS 0 // 先来先服务
+#define BUS_SSTF 1 // 最短寻找时间优先
+#define BUS_SCAN 2 // 顺便服务
 
 #endif //AUTO_PILOT_BUS_DEFINE_H

src/bus_io.c

@@ -8,7 +8,7 @@ int ReadInput(char* inputString)
     
     char src[20];
     int num;
-    sscanf(inputString,"%[a-z] %d",src,&num);
+    sscanf_s(inputString,"%[a-z] %d",src,&num);
     if (0 == strcmp("clock",src))
     {
         return IO_CLOCK;
@@ -37,5 +37,111 @@ int ReadInput(char* inputString)
         // 匹配失败则返回-1
         return -1;
     }
-    
+}
+
+rail_node_t *ReadConfigFile()
+{
+    FILE *config_file = NULL;
+    char buffer[30];
+    int total_station = 0;
+    int distance = 0;
+
+    config_file = fopen("dict.dic", "r");
+
+    // 循环读取文件的每一行
+    while(fgets(buffer, sizeof buffer, config_file) != NULL)
+    {
+        char first_char = buffer[0];
+        char *p;
+
+        switch (first_char)
+        {
+            case '#':
+                // 如果读取到#什么都不做
+                break;
+            case 'T':
+                // TOTAL_STATION
+                p = buffer;
+
+                // 把数字前面的所有字符全部干掉
+                while (*p < '0' || *p > '9')
+                {
+                    p++;
+                }
+
+                if(*p == '1' && *(p + 1) != '\n')
+                {
+                    total_station = 10;
+                }
+                else if(*(p + 1) == '\n')
+                {
+                    total_station = *p - 48;
+                }
+
+                break;
+            case 'S':
+                // STRATEGY
+                p = buffer;
+                // 将=前的字符全部略去
+                while(*p != '=')
+                {
+                    p++;
+                }
+                // =也去掉
+                p++;
+                // =和策略之间的空格也去掉
+                while(*p == ' ')
+                {
+                    p++;
+                }
+
+                if(*p == 'F' && *(p + 1) == 'C') //FCFS
+                {
+                    chosen_strategy = BUS_FCFS;
+                }
+                else if(*p == 'S' && *(p + 1) == 'S') //SSTF
+                {
+                    chosen_strategy = BUS_SSTF;
+                }
+                else if(*p == 'S' && *(p + 1) == 'C') //SCAN
+                {
+                    chosen_strategy = BUS_SCAN;
+                }
+                else
+                {
+                    // 读取失败
+                    chosen_strategy = -1;
+                }
+
+                break;
+            case 'D':
+                // DISTANCE
+                p = buffer;
+
+                // 把数字前面的所有字符全部干掉
+                while (*p < '0' || *p > '9')
+                {
+                    p++;
+                }
+
+                if(*(p + 1) == '\n')
+                {
+                    distance = *p - 48;
+                }
+
+                break;
+            default:
+                continue;
+        }
+
+    }
+
+    if(distance != 0 && total_station != 0)
+    {
+        return CreateRails(distance, total_station);
+    }
+    else
+    {
+        return NULL;
+    }
 }

src/controller.c

@@ -3,6 +3,5 @@
 //
 #include "controller.h"
 
-int BUS_TIME = 0;
-
-bus_query_t *target_query = NULL;
+bus_query_t *target_query = NULL;
+int chosen_strategy = -1;

test/CMakeLists.txt

@@ -22,3 +22,9 @@ target_link_libraries(bus_test
         gmock_main
         pthread
 )
+
+add_custom_command(TARGET bus_test POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        "${CMAKE_CURRENT_SOURCE_DIR}/dict.dic"
+        $<TARGET_FILE_DIR:bus_test>
+        )

test/dict.dic

@@ -0,0 +1,6 @@
+# The Config file of bus
+# Comment
+TOTAL_STATION = 10
+DISTANCE =  10
+# STRATEGY = SCAN
+STRATEGY  = FCFS

test/io_test.cpp

@@ -10,6 +10,7 @@ extern "C"
 #endif
 #include "bus_io.h"
 #include "define.h"
+#include "controller.h"
 #ifdef __cplusplus
 }
 #endif
@@ -36,4 +37,31 @@ TEST(bus_io, ReadInput_reading)
     char str[20] = "target 8\n";
     int result = ReadInput(str);
     EXPECT_EQ(result, IO_READING);
+}
+
+TEST(bus_file, all)
+{
+    rail_node_t *result = ReadConfigFile();
+    // 先测试轨道的参数读取是否正确
+    rail_node_t *p = result;
+
+    ASSERT_TRUE(p != nullptr);
+    for(int i = 1; i <= 10; i++)
+    {
+        EXPECT_EQ(p->id, i);
+        EXPECT_EQ(p->next_node_distance, 5);
+        EXPECT_EQ(p->last_node_distance, 5);
+        p = p->next_node;
+    }
+
+    p = result->last_node;
+    for(int i = 10; i >= 1; i--)
+    {
+        EXPECT_EQ(p->id, i);
+        EXPECT_EQ(p->next_node_distance, 5);
+        EXPECT_EQ(p->last_node_distance, 5);
+        p = p->last_node;
+    }
+
+    EXPECT_EQ(chosen_strategy, BUS_FCFS);
 }