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MMORGP大型游戏设计与开发(客户端架构 part4 of vegine)
昨天是七夕,祝大家都过的快乐,希望这句迟到的问候不会造成大家心中的困扰。这一节讲到了前端比较重要的模块,性能以及调试异常模块。一个应用的性能往往是最核心的部分,就像人身体的各个器官一样,一小部分也不能马虎,否则你得到的只是你想象不到的苦果。在这里,我们封装了性能采集,调试输出、变量打印,以及异常收集。希望大家会对这方面有所了解与进步。
结构
CODE
ax模块,文件profile.h
/** * PAP Engine ( -- ) * $Id profile.h * @link -- for the canonical source repository * @copyright Copyright (c) 2013-2014 viticm( viticm@126.com ) * @license * @user viticm<viticm@126.com/viticm.ti@gmail.com> * @date 2014-3-16 11:56:11 * @uses the ax profile module, just for system performance */#ifndef VENGINE_CAPABILITY_AX_PROFILE_H_#define VENGINE_CAPABILITY_AX_PROFILE_H_#include "vengine/config.h"namespace vengine_capatility {namespace ax {namespace profile {VENGINE_API void samplingbegin();VENGINE_API void samplingend();VENGINE_API void pushnode(const char* name, const char* parent = NULL);VENGINE_API void popnode(const char* name);VENGINE_API void report();struct autosampling_t { autosampling_t(); ~autosampling_t();};}; //namespace profile}; //namespace ax}; //namespace vengine_capatility
ax模块,文件trace.h
/** * PAP Engine ( -- ) * $Id trace.h * @link -- for the canonical source repository * @copyright Copyright (c) 2013-2014 viticm( viticm@126.com ) * @license * @user viticm<viticm@126.com/viticm.ti@gmail.com> * @date 2014-3-16 17:43:42 * @uses vengine capability ax trace module */#ifndef VENGINE_CAPABILITY_AX_TRACE_H_#define VENGINE_CAPABILITY_AX_TRACE_H_#include "vengine/config.h"#define AXTRACE_WND_INVALID ((uint8_t)-1)namespace vengine_capability {namespace ax {typedef enum { kValueInt8, kValueUint8, kValueInt16, kValueUint16, kValueInt32, kValueUint32, kValueInt64, kValueUint64, kValueFloat32, kValueDouble64, kValueString} value_enum;VENGINE_API void trace(uint8_t winnumber, uint8_t typenumber, const char* format, ...);VENGINE_API void var(uint8_t winnumber, uint8_t typenumber, value_enum variabletype, const char* valuename, void* value);}; //namespace ax}; //namespace vengine_capability#endif //VENGINE_CAPABILITY_AX_TRACE_H_
文件debuger.h
/** * PAP Engine ( --) * $Id debuger.h * @link -- for the canonical source repository * @copyright Copyright (c) 2013-2014 viticm( viticm@126.com ) * @license * @user viticm<viticm@126.com/viticm.ti@gmail.com> * @date 2014-3-26 10:34:10 * @uses vengine capability debuger module */#ifndef VENGINE_CAPABILITY_DEBUGER_H_#define VENGINE_CAPABILITY_DEBUGER_H_#include "vengine/config.h"#include "vengine/kernel/node.h"namespace vengine_capability {class Debuger : public vengine_kernel::Node {VENGINE_KERNEL_DECLARE_DYNAMIC(vengine_capability_Debuger); public: virtual void infotrack_reset(int32_t width, int32_t height) = 0; virtual void infotrack_addpoint(int32_t x, int32_t y) = 0;};}; //namespace vengine_capability#endif //VENGINE_CAPABILITY_DEBUGER_H_
文件profile.h
/** * PAP Engine ( -- ) * $Id profile.h * @link -- for the canonical source repository * @copyright Copyright (c) 2013-2014 viticm( viticm@126.com ) * @license * @user viticm<viticm@126.com/viticm.ti@gmail.com> * @date 2014-3-19 13:42:44 * @uses vengine capability profile module */#ifndef VENGINE_CAPABILITY_PROFILE_H_#define VENGINE_CAPABILITY_PROFILE_H_#include <hash_set>#include <hash_map>#include "vengine/config.h"namespace vengine_capability {namespace profile {struct treenode_t;//堆栈中的节点(用于push/pop)struct VENGINE_API stacknode_t { STRING name; //名称 LARGE_INTEGER starttime; treenode_t* treenode; //树形节点指针 stacknode_t(const char* _name = NULL, const char* extensionname = NULL);};//堆栈struct stack_t { stack_t() {}; enum { kStackNumberMax = 256, }; //节点堆 stacknode_t stacknode_list[kStackNumberMax]; //栈顶指针,初始为0 uint16_t topindex;#ifdef __SGI_STL_PORT typedef std::hash_set<STRING> hash_nameset;#else typedef stdext::hash_set<STRING> hash_nameset;#endif hash_nameset hashname;};//tree node, 用于统计struct treenode_t {#ifdef __SGI_STL_PORT typedef std::hash_map<STRING, treenode_t*> hash_treenode;#else typedef stdext::hash_map<STRING, treenode_t*> hash_treenode;#endif STRING name; uint32_t invokecount; //运行(调用)次数 hash_treenode childmap; treenode_t* parentnode; LARGE_INTEGER totaltime; //占用时间 ~treenode_t();};//节点树struct tree_t { treenode_t rootnode; treenode_t* currentnode;};//节点树函数指针typedef void (__stdcall* function_dump)(const tree_t* nodetree);extern "C" { VENGINE_API void pushnode(const char* name, const char* extensionname = NULL); VENGINE_API void popnode(const char* name = NULL); VENGINE_API void dumpstack(function_dump function); //查询节点信息};void tick(); //for vengine time system}; //namespace profile}; //namespace vengine_capability#endif //VENGINE_CAPABILITY_PROFILE_H_
SIMPLE
ax::trace 输出信息
ax::var 变量输出,学习过PHP的应该知道有一个函数叫var_dump
总结
该模块封装了客户端应用的评估模块,即整个客户端的效率采集器,以及常用的调试方法。看似很多东西,其实也没有太过复杂的,输出调试借用了tracewin这个调试工具,大家可以网上找一下,用到的是windows的SendMessage接口。性能模块,封装了和异常有关的一些方法,那么我们下一节就开始讲解异常收集模块。
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