write add_train

CMakeLists.txt

@@ -38,11 +38,15 @@ option(ENABLE_ADVANCED_FEATURE "Enable advanced features" OFF)
 option(OJ_TEST_BPT "Enable OJ test for B+ Tree" OFF)
 option(OJ_TEST_BACKEND "Enable OJ test for backend" ON)
 option(ENABLE_TEST_POINTS "Enable test points" OFF)
+option(DISABLE_COUT_CACHE "Disable the cache of std::cout" OFF)
 
 # 如果 ENABLE_ADVANCED_FEATURE 选项为 ON，则定义 ENABLE_ADVANCED_FEATURE 宏
 if (ENABLE_ADVANCED_FEATURE)
   add_definitions(-DENABLE_ADVANCED_FEATURE)
 endif()
+if (DISABLE_COUT_CACHE)
+  add_definitions(-DDISABLE_COUT_CACHE)
+endif()
 
 include(FetchContent)
 

src/engine.cpp

@@ -105,6 +105,7 @@ std::string TicketSystemEngine::Exit(const std::string &command) {
   LOG->debug("command id: {}", command_id);
   std::stringstream response_stream;
   response_stream << '[' << command_id << "] bye";
+  its_time_to_exit = true;
   return response_stream.str();
 }
 

src/include/data.h

@@ -15,9 +15,11 @@ struct StationNameData {
   char name[100][40];
 };
 static_assert(sizeof(StationNameData) == 4000);
+struct TicketPriceData {
+  uint32_t price[99];
+};
 
-// waring: this struct is extremely large, later DiskManager should be optimized to handle this
+struct CoreTrainData {
-struct FullTrainData {
   char trainID[21];
   uint8_t stationNum;
   hash_t stations_hash[100];
@@ -25,12 +27,8 @@ struct FullTrainData {
   uint16_t startTime : 12;
   uint16_t saleDate_beg : 10, saleDate_end : 10;
   uint8_t type : 6;
+  uint8_t is_released : 1;
   uint16_t travelTime[100];
   uint16_t stopoverTime[100];
 };
-struct TicketPriceData {};
-
-class TrainDataDrive : public DataDriverBase {};
-
-class TransactionDataDrive : public DataDriverBase {};
 #endif

src/include/engine.h

@@ -14,6 +14,7 @@ class TicketSystemEngine {
 #ifdef ENABLE_ADVANCED_FEATURE
   SnapShotManager snapshot_manager;
 #endif
+  bool its_time_to_exit = false;
   std::string data_directory;
   std::map<hash_t, uint8_t> online_users;
 
@@ -26,7 +27,9 @@ class TicketSystemEngine {
   /**
    * @brief train data system
    */
-  DiskMap<hash_t, StationNameData> full_station_name_data;
+  DiskMap<hash_t, StationNameData> station_name_data_storage;
+  DiskMap<hash_t, TicketPriceData> ticket_price_data_storage;
+  DiskMap<hash_t, CoreTrainData> core_train_data_storage;
 
   /**
    * @brief transaction data system
@@ -46,12 +49,17 @@ class TicketSystemEngine {
   void PrepareExit();
 
  public:
+  const bool *its_time_to_exit_ptr = &its_time_to_exit;
   inline TicketSystemEngine(std::string data_directory)
       : data_directory(data_directory),
         user_data("user_data.idx", data_directory + "/user_data.idx", "user_data.val",
                   data_directory + "/user_data.val"),
-        full_station_name_data("station_name.idx", data_directory + "/station_name.idx", "station_name.val",
+        station_name_data_storage("station_name.idx", data_directory + "/station_name.idx", "station_name.val",
-                               data_directory + "/station_name.val") {}
+                                  data_directory + "/station_name.val"),
+        ticket_price_data_storage("ticket_price.idx", data_directory + "/ticket_price.idx", "ticket_price.val",
+                                  data_directory + "/ticket_price.val"),
+        core_train_data_storage("core_train.idx", data_directory + "/core_train.idx", "core_train.val",
+                                data_directory + "/core_train.val") {}
   std::string Execute(const std::string &command);
 
   // User system

src/main.cpp

@@ -112,6 +112,10 @@ int main(int argc, char *argv[]) {
       std::string cmd;
       while (std::getline(std::cin, cmd)) {
         std::cout << engine.Execute(cmd) << '\n';
+#ifdef DISABLE_COUT_CACHE
+        std::cout.flush();
+#endif
+        if (*engine.its_time_to_exit_ptr) break;
       }
 #ifdef ENABLE_ADVANCED_FEATURE
     }

src/train_system.cpp

@@ -131,7 +131,39 @@ std::string TicketSystemEngine::AddTrain(const std::string &command) {
              RetrieveReadableDate(saleDate_begin).second, saleDate_end, RetrieveReadableDate(saleDate_end).first,
              RetrieveReadableDate(saleDate_end).second);
   LOG->debug("type: {}", type);
-  response_stream << '[' << command_id << "] AddTrain";
+  hash_t train_id_hash = SplitMix64Hash(trainID);
+  if (ticket_price_data_storage.HasKey(train_id_hash)) {
+    response_stream << '[' << command_id << "] -1";
+    return response_stream.str();
+  }
+  TicketPriceData ticket_price_data;
+  for (int i = 0; i < stationNum - 1; i++) ticket_price_data.price[i] = prices[i];
+  ticket_price_data_storage.Put(train_id_hash, ticket_price_data);
+  CoreTrainData core_train_data;
+  core_train_data.is_released = 0;
+  strcpy(core_train_data.trainID, trainID.c_str());
+  core_train_data.stationNum = stationNum;
+  for (int i = 0; i < stationNum; i++) {
+    core_train_data.stations_hash[i] = SplitMix64Hash(stations[i]);
+  }
+  core_train_data.seatNum = seatNum;
+  core_train_data.startTime = startTime;
+  for (int i = 0; i < stationNum - 1; i++) {
+    core_train_data.travelTime[i] = travelTimes[i];
+    core_train_data.stopoverTime[i] = stopoverTimes[i];
+  }
+  core_train_data.saleDate_beg = saleDate_begin;
+  core_train_data.saleDate_end = saleDate_end;
+  core_train_data.type = type[0] - 'A';
+  core_train_data_storage.Put(train_id_hash, core_train_data);
+  StationNameData station_name_data;
+  for (int i = 0; i < stationNum; i++) {
+    size_t len = stations[i].length();
+    for (int j = 0; j < len; j++) station_name_data.name[i][j] = stations[i][j];
+    if (len < 40) station_name_data.name[i][len] = '\0';
+  }
+  station_name_data_storage.Put(train_id_hash, station_name_data);
+  response_stream << '[' << command_id << "] 0";
   return response_stream.str();
 }