Tools/LayoutTestRelay/LayoutTestRelay/main.m

/*
 * Copyright (C) 2014, 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "CoreSimulatorSPI.h"
#import "LTRelayController.h"
#import <Foundation/Foundation.h>

static LTRelayController *relayController;

void usage()
{
    NSString *helpText = @"LayoutTestRelay: run a dump tool in the simulator. Not for direct consumption.\n"
        "Usage: LayoutTestRelay [-h] [options] -- [dump tool arguments]\n"
        "Required options:\n"
        "    -udid <identifier>       Simulator device identifier\n"
        "    -app <app_path>          Path to the built iOS .app bundle directory.\n"
        "    -productDir <dir>        /path/to/WebKitBuild/{configuration}-{short platform}.\n";

    fprintf(stderr, "%s\n", [helpText UTF8String]);
}

NSString *getRequiredStringArgument(NSString *parameter)
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSString *argument = [defaults stringForKey:parameter];

    if (!argument) {
        NSLog(@"-%@ is required.", parameter);
        usage();
        exit(EXIT_FAILURE);
    }
    return argument;
}

NSArray *getDumpToolArguments()
{
    NSMutableArray *dumpToolArguments = [[NSMutableArray alloc] init];
    NSArray *processArgs = [[NSProcessInfo processInfo] arguments];
    BOOL appending = NO;
    for (NSString *arg in processArgs) {
        if ([arg isEqualToString:@"--"]) {
            appending = YES;
            continue;
        }
        if (appending)
            [dumpToolArguments addObject:arg];
    }
    return dumpToolArguments;
}

void finish()
{
    [relayController finish];
}

void receivedSignal(int signal)
{
    exit(EXIT_SUCCESS);
}

int main(int argc, const char * argv[])
{
    @autoreleasepool {
        NSArray *helpArguments = @[@"-h", @"--help"];
        for (NSString *helpArgument in helpArguments) {
            if ([[[NSProcessInfo processInfo] arguments] indexOfObject:helpArgument] != NSNotFound) {
                usage();
                exit(EXIT_FAILURE);
            }
        }

#if USE_SIM_SERVICE_CONTEXT
        NSString *developerDirectory = getRequiredStringArgument(@"developerDir");
#endif
        NSUUID *udid = [[NSUUID alloc] initWithUUIDString:getRequiredStringArgument(@"udid")];
        NSString *appPath = getRequiredStringArgument(@"app");
        NSString *productDirectory = getRequiredStringArgument(@"productDir");
        NSArray *dumpToolArguments = getDumpToolArguments();

#if USE_SIM_SERVICE_CONTEXT
        NSError *error;
        SimServiceContext *serviceContext = [SimServiceContext sharedServiceContextForDeveloperDir:developerDirectory error:&error];
        if (!serviceContext) {
            NSLog(@"Device context couldn't be found: %@", error);
            exit(EXIT_FAILURE);
        }
        SimDeviceSet *deviceSet = [serviceContext defaultDeviceSetWithError:nil];
        if (!deviceSet) {
            NSLog(@"Default device set couldn't be found: %@", error);
            exit(EXIT_FAILURE);
        }
        SimDevice *device = [deviceSet.devicesByUDID objectForKey:udid];
#else
        SimDevice *device = [SimDeviceSet.defaultSet.devicesByUDID objectForKey:udid];
#endif
        if (!device) {
            NSLog(@"Device %@ couldn't be found", udid);
            exit(EXIT_FAILURE);
        }

        relayController = [[LTRelayController alloc] initWithDevice:device productDir:productDirectory appPath:appPath deviceUDID:udid dumpToolArguments:dumpToolArguments];
        [relayController start];

        atexit(finish);
        signal(SIGINT, receivedSignal);
        signal(SIGTERM, receivedSignal);

        [[NSRunLoop mainRunLoop] run];
    }
    return 0;
}