wip - file_service

src/engine/modules/file_service.cpp

@@ -0,0 +1,117 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "../include/modules/file_service.hpp"
+#include "../include/utils/string.hpp"
+#include "../include/utils/debug.hpp"
+#include <cstdlib>
+
+// ----
+// Constructors/Destructors
+// ----
+
+FileService *fsRef;
+
+FileService::FileService() {}
+
+FileService::~FileService() {}
+
+// ----
+// Methods
+// ----
+
+u32 FileService::addReadChunk(FILE *t_file, void *t_destination, const u32 &t_size, const u32 &t_n)
+{
+    FileServiceTask task;
+    task.id = rand() % 1000000;
+    task.file = t_file;
+    task.destination = t_destination;
+    task.size = t_size;
+    task.n = t_n;
+    task.readStatus = -2137;
+    tasks.push_back(task);
+    return task.id;
+}
+
+s32 FileService::isTaskDone(const u32 &t_taskId)
+{
+    s32 taskIndex = getIndexOf(t_taskId);
+    if (taskIndex == -1)
+        PRINT_ERR("Task was not found!");
+    s32 result = tasks[taskIndex].readStatus;
+    if (result != -2137)
+        removeByIndex(taskIndex);
+    return result;
+}
+
+const void FileService::removeById(const u32 &t_taskId)
+{
+    s32 index = getIndexOf(t_taskId);
+    if (index != -1)
+        removeByIndex(index);
+    else
+        PRINT_ERR("Cant remove task, because it was not found!");
+}
+
+const s32 FileService::getIndexOf(const u32 &t_taskId)
+{
+    for (u32 i = 0; i < tasks.size(); i++)
+        if (tasks[i].id == t_taskId)
+            return i;
+    return -1;
+};
+
+// Other
+
+void FileService::startThread()
+{
+    PRINT_LOG("Creating file service thread");
+    extern void *_gp;
+    thread.func = (void *)FileService::mainThread;
+    thread.stack = threadStack;
+    thread.stack_size = getThreadStackSize();
+    thread.gp_reg = (void *)&_gp;
+    thread.initial_priority = 0x12;
+    if ((threadId = CreateThread(&thread)) < 0)
+        PRINT_ERR("Create audio thread failed!");
+    PRINT_LOG("File service created");
+    StartThread(threadId, NULL);
+    PRINT_LOG("File service started");
+}
+
+/** Main thread loop */
+void FileService::threadLoop()
+{
+    // This will cause an error
+    // printf("\n\n\n\n\nsize:%d\n", tasks.size());
+    // for (size_t i = 0; i < tasks.size(); i++)
+    // {
+    //     switch (tasks[i].type)
+    //     {
+    //     case ReadChunk:
+    //         tasks[i].readStatus = fread(tasks[i].destination, tasks[i].n, tasks[i].size, tasks[i].file);
+    //         break;
+
+    //     default:
+    //         break;
+    //     }
+    // }
+    SleepThread();
+}
+
+/** 
+ * Do not call this function.
+ * This is an file service thread, runned by engine
+ */
+void FileService::mainThread()
+{
+    while (true)
+        fsRef->threadLoop();
+}