Rampoina
/
MegaGlest
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

- better randomization of CRC refresh

This commit is contained in:
Mark Vejvoda 2011-03-17 16:44:55 +00:00
parent 6b31149754
commit e65f588045
1 changed files with 26 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
source/shared_lib/sources/platform/common/platform_common.cpp
View File

@ -65,7 +65,7 @@ using namespace std;
namespace Shared { namespace PlatformCommon {
const time_t REFRESH_CRC_DAY_SECONDS = 1 * 60 * 24;
const time_t REFRESH_CRC_DAY_SECONDS = 60 * 60 * 24;
static string crcCachePath = "";
namespace Private {
@ -503,14 +503,24 @@ bool hasCachedFileCRCValue(string crcCacheFile, int32 &value) {
int res = fscanf(fp,"%ld,%d",&refreshDate,&crcValue);
fclose(fp);
//if(SystemFlags::VERBOSE_MODE_ENABLED) printf("Found CRC Cache file [%s] now = %ld, refreshDate = %ld, crcValue = %d\n",crcCacheFile.c_str(),time(NULL), refreshDate,crcValue);
if( refreshDate > 0 &&
time(NULL) < refreshDate) {
result = true;
value = crcValue;
}
else {
time_t now = time(NULL);
struct tm *loctime = localtime (&now);
char szBuf1[100]="";
strftime(szBuf1,100,"%Y-%m-%d %H:%M:%S",loctime);
loctime = localtime (&refreshDate);
char szBuf2[100]="";
strftime(szBuf2,100,"%Y-%m-%d %H:%M:%S",loctime);
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("=-=-=-=- NEED TO CALCULATE CRC for Cache file [%s] now = %ld [%s], refreshDate = %ld [%s], crcValue = %d\n",crcCacheFile.c_str(),now, szBuf1, refreshDate, szBuf2, crcValue);
}
}
}
@ -520,13 +530,23 @@ bool hasCachedFileCRCValue(string crcCacheFile, int32 &value) {
void writeCachedFileCRCValue(string crcCacheFile, int32 &crcValue) {
FILE *fp = fopen(crcCacheFile.c_str(),"w");
if(fp != NULL) {
RandomGen random;
int offset = random.randRange(5, 15);
//RandomGen random;
//int offset = random.randRange(5, 15);
srand(time(NULL) + crcCacheFile.length());
int offset = rand() % 15;
if(offset == 0) {
offset = 3;
}
time_t refreshDate = time(NULL) + (REFRESH_CRC_DAY_SECONDS * offset);
struct tm *loctime = localtime (&refreshDate);
char szBuf1[100]="";
strftime(szBuf1,100,"%Y-%m-%d %H:%M:%S",loctime);
fprintf(fp,"%ld,%d",refreshDate,crcValue);
fclose(fp);
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("Writing CRC Cache file [%s] refreshDate = %ld, crcValue = %d\n",crcCacheFile.c_str(),refreshDate,crcValue);
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("\n========== Writing CRC Cache offset [%d] refreshDate = %ld [%s], crcValue = %d, file [%s]\n",offset,refreshDate,szBuf1,crcValue,crcCacheFile.c_str());
}
}