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89 lines
2.6 KiB
89 lines
2.6 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "SettingsController.h"
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#import "UIAlertView+Extensions.h"
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#import "WALTAppDelegate.h"
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#import "WALTClient.h"
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@implementation SettingsController {
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WALTClient *_client;
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NSString *_status;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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_client = ((WALTAppDelegate *)[UIApplication sharedApplication].delegate).client;
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}
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated];
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_status = [NSString string];
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[self.tableView reloadData];
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}
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- (IBAction)ping:(id)sender {
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NSTimeInterval start = _client.currentTime;
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NSError *error = nil;
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if (![_client sendCommand:WALTPingCommand error:&error]) {
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UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"WALT Connection Error" error:error];
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[alert show];
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} else {
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NSData *response = [_client readResponseWithTimeout:kWALTReadTimeout];
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if (!response) {
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_status = @"Timed out waiting for ping response.";
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} else {
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NSTimeInterval delta = _client.currentTime - start;
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_status = [NSString stringWithFormat:@"Ping response in %.2f ms.", delta * 1000];
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}
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}
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[self.tableView reloadData];
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}
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- (IBAction)checkDrift:(id)sender {
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NSError *error = nil;
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if (![_client updateSyncBoundsWithError:&error]) {
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UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"WALT Connection Error" error:error];
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[alert show];
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} else {
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_status = [NSString stringWithFormat:@"Remote clock delayed between %lld and %lld µs.",
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_client.minError, _client.maxError];
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}
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[self.tableView reloadData];
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}
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- (NSIndexPath *)tableView:(UITableView *)tableView
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willSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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if (indexPath.section == 0 && indexPath.row == 0) {
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// "Ping"
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[self ping:tableView];
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return nil;
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} else if (indexPath.section == 0 && indexPath.row == 1) {
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// "Check Drift"
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[self checkDrift:tableView];
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return nil;
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}
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return indexPath;
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}
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- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
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return (section == 0 ? _status : nil);
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}
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@end
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