const char *FindVersion(int file_id, BYTE *pbVersionBytes, int cpbVersionBytes, const Category cat) {
if(!doc[cat]) return 0;
char version_string[128];
strncpy(version_string, (char *)pbVersionBytes, cpbVersionBytes);
version_string[sizeof(version_string)-1] = 0;
ezxml_t root = ezxml_get(doc[cat], "channel", 0, "item", -1);
while (root) {
int id = atoi(ezxml_txt(ezxml_child(root, "id")));
const char* version = ezxml_txt(ezxml_child(root, "version"));
if (id == file_id && version[0]) {
if (strncmp(version, (char*)pbVersionBytes, cpbVersionBytes) && VersionLess(version_string, version)) {
return version;
} else {
return "same";
}
}
root = ezxml_next(root);
}
return 0;
}
HRESULT CPatchDlg::DownloadDiffFile()
{
HRESULT hr=S_OK;
POSITION pos=m_mapSvrFileVersion.GetStartPosition();
PFILEUPDATESVRDATA pData=NULL;
PFILEUPDATECLIDATA pCliData=NULL;
CString sKey;
BOOL bDiff=FALSE;
CString sUpdataPath;
sUpdataPath.AppendFormat(_T("%s\\%s"),sAppPath,sSavePath);
do{
bDiff=FALSE;
pCliData=NULL;
m_mapSvrFileVersion.GetNextAssoc(pos,sKey,(LPVOID&)pData);
m_mapCliFileVersion.Lookup(sKey,(LPVOID&)pCliData);
if(pCliData==NULL)
{
bDiff=TRUE;
Log(_T("S:%-25s, S:%8s,客户端没有,"),pData->sFileName,
pData->sVersion);
}
else
{
if(pCliData->sVersion.IsEmpty())
{
if(pCliData->nCrc32!=pData->nCrc32)
bDiff=TRUE;
}
else
{
bDiff=VersionLess(pCliData->sVersion,pData->sVersion);
if(!bDiff) //版本一样比较Crc32
{
if(pCliData->nCrc32!=pData->nCrc32)
bDiff=TRUE;
}
}
if(bDiff)
{
Log(_T("S:%-25s, C:%-25s, S:%8s, C:%8s,"),pData->sFileName,pCliData->sFileName,
pData->sVersion,pCliData->sVersion);
//客户端存在的文件 才视为找到新版本..
if(!bFindNewVersion && !IsSpecialFile(pCliData->sFileName))
bFindNewVersion=TRUE;
}
}
if(bDiff)
{
hr=DownloadFile(sBaseAddress+pData->sFilePath,sUpdataPath+pData->sFileName,TRUE,pData->nCrc32);
if(hr==S_OK)
Log(_T("下载成功。\r\n"));
else
Log(_T("下载失败。\r\n"));
}
}while(pos!=NULL);
return hr;
}
int FindFileID(const char *name, const Category cat, UpdateList *update_list)
{
if (!doc[cat]) return -1;
if (update_list)
{
// couldn't find it in xml file - check if a plugin gave us a file id for a different shortName
for (int i = 0; i < update_list->getCount(); ++i)
{
UpdateInternal &ui = (*update_list)[i];
if (ui.file_id != -1 && strcmp(ui.update.szComponentName, name) == 0)
return ui.file_id;
}
}
// ignore case in name
int id = -1;
char *version = NULL;
ezxml_t root = ezxml_get(doc[cat], "channel", 0, "item", -1);
while (root)
{
const char* title = ezxml_txt(ezxml_child(root, "title"));
if (_stricmp(title, name) == 0)
{
const char* subcategory = ezxml_txt(ezxml_child(root, "subcategory"));
if (strcmp(subcategory, "Archived"))
{
int id1 = atoi(ezxml_txt(ezxml_child(root, "id")));
if (id1)
{
char *version1 = ezxml_txt(ezxml_child(root, "version"));
if (!version || (version1 && VersionLess(version, version1)))
{
version = version1;
id = id1;
}
}
}
}
root = ezxml_next(root);
}
return id;
}