/// <summary>
/// HTTP GET file from HTTP action f, saving it to path (via a temporary file).
/// </summary>
/// <param name="action">Action on which to update the progress</param>
/// <param name="timeout">Whether to apply a timeout</param>
/// <param name="dataRxDelegate">Delegate called every 500ms with the data transferred</param>
/// <param name="path">Path to save file to.</param>
/// <returns>Result of the task used to GET the file</returns>
public static String Get(AsyncAction action, bool timeout, HTTP.DataCopiedDelegate dataRxDelegate, string path, string hostname, Delegate f, params object[] p)
{
Session session = action.Session;
action.RelatedTask = XenAPI.Task.create(session, "downloadTask", hostname);
try
{
HTTP.UpdateProgressDelegate progressDelegate = delegate(int percent)
{
action.Tick(percent, action.Description);
};
return HTTPHelper.Get(progressDelegate, action.GetCancelling, timeout, dataRxDelegate, action.Connection,
action.RelatedTask, ref session, path, hostname, f, p);
}
finally
{
action.Session = session;
Task.destroy(session, action.RelatedTask);
}
}
public static String Get(HTTP.UpdateProgressDelegate progressDelegate, HTTP.FuncBool cancellingDelegate, bool timeout,
HTTP.DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef <Task> task, ref Session session, string path,
string hostname, Delegate f, params object[] p)
{
log.DebugFormat("HTTP GETTING file from {0} to {1}", hostname, path);
// Cannot use ref param in anonymous method, so save it here and restore it later
Session _session = session;
HTTP.DataCopiedDelegate dataCopiedDelegate = delegate(long bytes)
{
if (progressDelegate != null)
{
int progress = (int)(100 * (double)Task.DoWithSessionRetry(connection, ref _session,
(Task.TaskProgressOp)Task.get_progress, task.opaque_ref));
progressDelegate(progress);
}
if (dataRxDelegate != null)
{
dataRxDelegate(bytes);
}
};
HTTP.FuncBool cancellingDelegate2 = (HTTP.FuncBool) delegate()
{
return(XenAdminConfigManager.Provider.ForcedExiting ||
cancellingDelegate != null && cancellingDelegate());
};
try
{
List <object> args = new List <object>();
args.Add(dataCopiedDelegate);
args.Add(cancellingDelegate2);
args.Add(XenAdminConfigManager.Provider.GetProxyTimeout(timeout));
args.Add(hostname);
args.Add(XenAdminConfigManager.Provider.GetProxyFromSettings(connection));
args.Add(path);
args.Add(task.opaque_ref); // task_id
args.AddRange(p);
f.DynamicInvoke(args.ToArray());
}
catch (Exception e)
{
log.Debug($"Caught exception doing HTTP GET from {hostname} to {path}", e);
if (e is WebException && e.InnerException is IOException && Win32.GetHResult(e.InnerException as IOException) == Win32.ERROR_DISK_FULL)
{
throw e.InnerException;
}
else if (e is CancelledException || e.InnerException is CancelledException)
{
throw new XenAdmin.CancelledException();
}
else if (e.InnerException.Message == "Received error code HTTP/1.1 403 Forbidden\r\n from the server")
{
// RBAC Failure
List <Role> roles = connection.Session.Roles;
roles.Sort();
throw new Exception(String.Format(Messages.RBAC_HTTP_FAILURE, roles[0].FriendlyName()), e);
}
else
{
throw e.InnerException;
}
}
return(PollTaskForResult(connection, ref session, cancellingDelegate2, task));
}
public static void host_rrd(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id, bool json)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/host_rrd", proxy, path, new object[] { "task_id", task_id, "session_id", session_id, "json", json });
}
public static void get_wlb_report(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id, string report, params string[] args)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/wlb_report", proxy, path, new object[] { "task_id", task_id, "session_id", session_id, "report", report, args });
}
private static void Get(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, string remotePath, IWebProxy proxy, string localPath, params object[] args)
{
HTTP.Get(dataCopiedDelegate, cancellingDelegate, HTTP.BuildUri(hostname, remotePath, args), proxy, localPath, timeout_ms);
}
public static void get_wlb_diagnostics(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/wlb_diagnostics", proxy, path, new object[] { "task_id", task_id, "session_id", session_id });
}
public static void get_system_status(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id, string entries, string output)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/system-status", proxy, path, new object[] { "task_id", task_id, "session_id", session_id, "entries", entries, "output", output });
}
public static void get_pool_xml_db_sync(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/pool/xmldbdump", proxy, path, new object[] { "task_id", task_id, "session_id", session_id });
}
public static void get_pool_patch_download(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id, string uuid)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/pool_patch_download", proxy, path, new object[] { "task_id", task_id, "session_id", session_id, "uuid", uuid });
}
public static void get_export_raw_vdi(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id, string vdi)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/export_raw_vdi", proxy, path, new object[] { "task_id", task_id, "session_id", session_id, "vdi", vdi });
}
public static void rrd_updates(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms, string hostname, IWebProxy proxy, string path, string task_id, string session_id, long start, string cf, long interval, bool host, string uuid, bool json)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/rrd_updates", proxy, path, new object[] { "task_id", task_id, "session_id", session_id, "start", start, "cf", cf, "interval", interval, "host", host, "uuid", uuid, "json", json });
}
public static void get_export_metadata(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms,
string hostname, IWebProxy proxy, string path, string task_id, string session_id, string uuid)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/export_metadata", proxy, path,
"task_id", task_id, "session_id", session_id, "uuid", uuid);
}
public static void get_host_logs_download(HTTP.DataCopiedDelegate dataCopiedDelegate, HTTP.FuncBool cancellingDelegate, int timeout_ms,
string hostname, IWebProxy proxy, string path, string task_id, string session_id)
{
Get(dataCopiedDelegate, cancellingDelegate, timeout_ms, hostname, "/host_logs_download", proxy, path,
"task_id", task_id, "session_id", session_id);
}
