public void GetRemoteVersion()
{
string remoteVersionUrl = m_UpdateUrl + "/version.txt";
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.OK, "Get Remote Version", 0);
m_HttpRequest.Get(remoteVersionUrl, (err, www) =>
{
if (err != null)
{
//获取远程版本信息失败
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.DownloadRemoteVersionError, "download fail:" + remoteVersionUrl, 1);
}
else
{
//获取远程版本信息成功
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.OK, "Get Remote Version", 0.2f);
RemoteVersions remoteVersions = new RemoteVersions();
if (remoteVersions.Parse(www.text))
{
//比较版本
CompareVersion(remoteVersions); //Step
}
else
{
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.ParseRemoteVersionError, "parse fail:" + www.text, 1);
}
}
});
}
protected void CompareVersion(RemoteVersions remoteVersions)
{
//make sure local version is set.
InitLocalVersion();
//check host version and native version
//1.m_HostVersion==m_NativeHostVersion same install package or no temp HostVersion file.
// when m_CurrentVersion < m_NativeHostVersion Update from NativeHostVersion
//2.m_HostVersion<m_NativeHostVersion user remove install package and reinstall new version package.
// when m_CurrentVersion < m_NativeHostVersion Update from NativeHostVersion.Others use currentVersion for update.
//3.m_HostVersion > m_NativeHostVersion user remove install package and reinstall old version package.
// must update from native host version.
if ((m_HostVersion <= m_NativeHostVersion && m_CurrentVersion < m_NativeHostVersion) || m_HostVersion > m_NativeHostVersion)
{
//Update from NativeHostVersion
m_HostVersion = m_NativeHostVersion;
m_CurrentVersion = m_NativeHostVersion;
ClearStorageDir();
WriteHostVersionToFile();
}
//if (m_HostVersion < m_NativeHostVersion)
//{
// //user remove install package and reinstall new version package.
// if(m_CurrentVersion<m_NativeHostVersion)
// {
// //Update from NativeHostVersion
// m_HostVersion = m_NativeHostVersion;
// m_CurrentVersion = m_NativeHostVersion;
// ClearStorageDir();
// WriteHostVersionToFile();
// }
//}
//else if (m_HostVersion > m_NativeHostVersion)
//{
// //user remove install package and reinstall old version package. must update from native host version.
// m_HostVersion = m_NativeHostVersion;
// m_CurrentVersion = m_NativeHostVersion;
// ClearStorageDir();
// WriteHostVersionToFile();
//}
//first check the host is support
if (remoteVersions.MinHostVersion > m_NativeHostVersion)
{
//the host is out data
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.HostIsOutOfDate, "please download the newest application", 1);
return;
}
//check min support version
if (remoteVersions.MinSupportVersion > m_CurrentVersion)
{
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.CurrentVersionOutOfDate, "please download the newest application", 1);
return;
}
//check is latest version
if (m_CurrentVersion >= remoteVersions.LatestVersion)
{
//the current is latest version,complete the update
TriggerUpdating(UpdateSegment.Complete, UpdateError.OK, "the assets is latest did not need update", 1);
return;
}
TriggerUpdating(UpdateSegment.CompareVersion, UpdateError.OK, "Compare Complete", 1);
//do update
string patchPath = GetPatchPath(m_CurrentVersion, remoteVersions.LatestVersion);
//TODO download the manifest file.
//GetManifestHeaderFile(patchPath);
//download the pack file
DownLoadPatchPack(patchPath);//Step
//更新当前版本号，但不保存到文件.等所有补丁执行完成才保存到本地文件。
m_CurrentVersion = remoteVersions.LatestVersion;
}