Running a cmd command from within my C# code

Question

I'm currently hosting OSRM locally on my machine to build a routing application. When the application starts, a bool ServiceAvailable is checked with a test query to see if the application is available and running locally. I want to be able to start the OSRM application should this bool return false. I found a StackOverflow link with a similar issue and tried to implement it, but the application doesn't load. Here's my current code:

    private void StartOSRMService()
    {
        Process process = new Process();
        process.StartInfo.WorkingDirectory = @"C:\";
        process.StartInfo.UseShellExecute = false;
        process.StartInfo.FileName = "cmd.exe";
        process.StartInfo.Arguments = "/c cd users/james/desktop/osrm/osrm-backend/osrm_release";
        process.StartInfo.Arguments = "/c osrm-routed wales-latest.osrm";
    }

The method is ran but the service never starts. In other methods, my code breaks due to a Http.Web request error, due to the lack of the service.

The 2nd process.StartInfo.Arguments assignment overwrites the first, did you mean += (with a space)? — Alex K.
– Alex K., Commented Aug 4, 2016 at 13:28
And you do not call process.Start(). You only configure the process, but never run it. — René Vogt
– René Vogt, Commented Aug 4, 2016 at 13:30
it looks like you're trying to run 2 commands in one go, why not change the working directory to be "c:\users/james/desktop/osrm/osrm-backend/osrm_release" and then the command would be "osrm-routed wales-latest.osrm" rather than a parameter — BugFinder
– BugFinder, Commented Aug 4, 2016 at 13:31
I added process.Start() to the end of my method and set the current working directory to the osrm_release directory and it's still not running the command. I altered the osrm-routed... to explorer . so it would open the current directory and nothing has happened. — James Gould
– James Gould, Commented Aug 4, 2016 at 13:44

Riaan · Accepted Answer · 2016-08-04 13:54:25Z

1

You can try the following:

    private void StartOSRMService()
    {
        var startInfo = new ProcessStartInfo(@"C:\users\james\desktop\osrm\osrm-backend\osrm_release\osrm-routed.exe");
        startInfo.WorkingDirectory = @"C:\users\james\desktop\osrm\osrm-backend\osrm_release";
        startInfo.UseShellExecute = false;
        startInfo.Arguments = "wales-latest.osrm";
        Process.Start(startInfo);
    }

More info on Process.Start()

Also, based on your original StartInfo.Arguments, the "/C" tells to console to terminate after the command has been executed, thus, if the "osrm-routed" is the service that needs to run in the console, and the console is terminated, then the application itself will also terminate when the console terminates.

answered Aug 4, 2016 at 13:54

Riaan

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1 Comment

James Gould Over a year ago

I think it was the /c that was stopping this from working. Your solution worked perfectly, thanks.

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