open source

Conch/source/common/downloadCache/JCFileTable.cpp

@@ -0,0 +1,91 @@
+/**
+@file			JCFileTable.cpp
+@brief			
+@author			James
+@version		1.0
+@date			2016_5_11
+*/
+
+#include "JCFileTable.h"
+#include "../fileSystem/JCFileSystem.h"
+#include <stdlib.h>
+
+namespace laya
+{
+	JCFileTable::JCFileTable(){
+	}
+
+    JCFileTable::~JCFileTable(){
+	}
+
+	void JCFileTable::init(){
+	}
+
+	//fileid chksum \r\n
+	//数字都是10进制的
+	int JCFileTable::initByString( const char* p_pszStr ){
+		//split by \r\n
+		const char* pCur = p_pszStr;
+		const char* pCurData=pCur;
+		std::vector<unsigned int> allData;
+		allData.reserve(1024);
+		while(*pCur!=0){
+			while(*pCur==' '||*pCur=='\r'||*pCur=='\n'){
+				pCur++;
+			}
+			if(*pCur==0)
+				break;
+			const char* pData=pCur;
+			while(*pCur!=' '&&*pCur!='\r'&&*pCur!='\n'&&*pCur!=0){
+				pCur++;
+			}
+			int len = (long)pCur-(long)pData-1;
+			//之所以用strtoul是为了能得到unsigned int的值，如果用atoi的话，会出错。
+			allData.push_back( strtoul(pData,0,16));
+		}
+
+		if( allData.size()%2!=0){
+			//printf("fileTable::initByString 不合理的参数，应该为偶数个数据");
+			//throw -1;
+			return 0;
+		}
+		for( int i=0,sz=(int)allData.size()/2; i<sz; i++){
+			_addFile(allData[i*2],allData[i*2+1]);
+		}
+		return (int)allData.size() / 2;
+	}
+
+	void JCFileTable::save(){
+	}
+
+	bool JCFileTable::find(unsigned int p_nFileID, unsigned int& p_nChkSum){
+		Info* pInfo = getInfo(p_nFileID);
+		if(pInfo){ 
+			p_nChkSum = pInfo->chksum;
+			return true;
+		}
+        p_nChkSum = 0;
+		return false;
+	}
+
+	void JCFileTable::_addFile( unsigned int p_nFileID, unsigned int p_nChkSum ){
+		unsigned char idx = (p_nFileID>>24)&0xff;
+		std::vector<Info>& b = m_AllItem[idx];
+		for( int i=0,sz=(int)b.size(); i<sz; i++){
+			Info& curI = b[i];
+			if(curI.fileid==p_nFileID ){
+				return;				
+			}
+		}
+		Info I={p_nFileID, p_nChkSum};
+		b.push_back(I);
+	}
+
+	void JCFileTable::delFile( unsigned int p_nFileID )
+    {
+	}
+};
+//------------------------------------------------------------------------------
+
+
+//-----------------------------END FILE--------------------------------