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    6. Как отловить результат выполнения exec в родительской функции?

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    Как отловить результат выполнения exec в родительской функции?

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    • A
      andrey99986 last edited by

      В скрипте 2 проблемы

      1. Как цикл for выполнять с учётом завершения функций vol_up() или vol_down() внутри цикла.

      Метод "result = vol_up()" не помогает.

      setTimeout (vol_up(), 1000) вместо vol_up также не помогает- задержки между выполнением нет.

      1. Как функцию vol_up() завершиться только после выполнения внутри setState ?
      function vol_up() {
    var cmd = '{ echo "VU"; sleep 1;} | telnet 192.168.1.81 8102';
    exec(cmd, function callback(error, stdout, stderr){
        var str = stdout;
        var re = /VOL/;
        var tagList = str.split(re);
        curvol=tagList[1];    
        var a = parseInt(curvol)/2;
        console.log('vol_up str='+str);
        console.log('vol_up a='+a);
        setState("javascript.0.current_volume",a); //Завершит vol_up() только после присвоения? 

    });
}

function vol_down() {
    var cmd = '{ echo "VD"; sleep 1;} | telnet 192.168.1.81 8102';
    exec(cmd, function callback(error, stdout, stderr){
        var str = stdout;
        var re = /VOL/;
        var tagList = str.split(re);
        curvol=tagList[1];    
        var a = parseInt(curvol)/2;
        console.log('vol_down str='+str);
        console.log('vol_down a='+a);
        setState("javascript.0.current_volume",a);

    });
}

function set_volume(vol){
    target_vol=vol;    
    cmd = '{ echo "?V"; sleep 1;} | telnet 192.168.1.81 8102';
    exec(cmd, function callback(error, stdout, stderr){ 
        var str = stdout;
        var re = /VOL/;
        var tagList = str.split(re);
        curvol=tagList[1]; 
        var a = parseInt(curvol)/2;
        setState("javascript.0.current_volume",a);
        //var i =0;
        console.log('Start str='+str);
        console.log ('a='+a);
        console.log ('target_vol='+target_vol);
        var count = Math.abs(a-target_vol);
        console.log ('count='+count);
        for (i=0;  i< count; i++)
           {
            if (a>target_vol)
                { 
                vol_down(); // Ожидать выполнения функции?
                }
                if (a<target_vol) {/vol_up();/Ожидать/выполнения/функции?/}/})/set_volume(45);<e=""></target_vol)>

      В лог выводится вот такая ерунда , а должно быть пошаговое увеличение/уменьшение:

      23:12:52.476	[info]	javascript.0 script.js.test.Скрипт1: registered 0 subscriptions and 0 schedules
23:12:53.558	[info]	javascript.0 script.js.test.Скрипт1: Start str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'. VOL051
23:12:53.559	[info]	javascript.0 script.js.test.Скрипт1: a=25.5
23:12:53.559	[info]	javascript.0 script.js.test.Скрипт1: target_vol=45
23:12:53.559	[info]	javascript.0 script.js.test.Скрипт1: count=19.5
23:12:54.487	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'. VOL061 VOL061
23:12:54.487	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=30.5
23:12:54.491	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'. VOL061 VOL061
23:12:54.492	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=30.5
23:12:54.494	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'. VOL061 VOL061
23:12:54.494	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=30.5
23:12:54.499	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'. VOL061 VOL061
23:12:54.499	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=30.5
23:12:54.503	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'. VOL061 VOL061
23:12:54.503	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=30.5
23:12:54.507	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.507	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.511	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.511	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.515	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.515	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.516	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.516	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.522	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.522	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.526	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.526	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.530	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.530	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.535	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.535	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.540	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.540	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.540	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.540	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.543	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.544	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.550	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.550	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.552	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.552	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.557	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.557	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
23:12:54.562	[info]	javascript.0 script.js.test.Скрипт1: vol_up str=Trying 192.168.1.81... Connected to 192.168.1.81\. Escape character is '^]'.
23:12:54.562	[info]	javascript.0 script.js.test.Скрипт1: vol_up a=NaN
      1 Reply Last reply Reply Quote 0
      • H
        Haba last edited by

        Попробуй так, код не тестил. Могут быть ошибки

        function vol_down_up(cmd, callback) {
    exec(cmd, function callback(error, stdout, stderr){
        var str = stdout;
        var re = /VOL/;
        var tagList = str.split(re);
        curvol=tagList[1];    
        var a = parseInt(curvol)/2;
        console.log('vol str='+str);
        console.log('vol a='+a);
        setState("javascript.0.current_volume",a);
        callback (a);
    });
}

function set_volume(vol){
    target_vol=vol;    
    cmd = '{ echo "?V"; sleep 1;} | telnet 192.168.1.81 8102';
    exec(cmd, function callback(error, stdout, stderr){ 
        var str = stdout;
        var re = /VOL/;
        var tagList = str.split(re);
        curvol=tagList[1]; 
        var a = parseInt(curvol)/2;
        setState("javascript.0.current_volume",a);
        //var i =0;
        console.log('Start str='+str);
        console.log ('a='+a);
        console.log ('target_vol='+target_vol);
        var count = Math.abs(a-target_vol);
        console.log ('count='+count);
        var timerId;
        var cmd;
        if (a>target_vol){
            cmd = '{ echo "VD"; sleep 1;} | telnet 192.168.1.81 8102';
            timerId = setTimeout(function vol_down_up(cmd, a_return) {  
                if (a_return <= target_vol){
                    clearTimeout(timerId); // если достигли нужного значения, выходим из рекурсии
                } else timerId = setTimeout(vol_down_up(cmd, a_return), 1000); // или продолжаем вызывать функцию
            }, 1000);
        }
        if (a<target_vol){ cmd="{ echo &quot;VU&quot;; sleep 1;} | telnet 192.168.1.81 8102" ;/timerid="setTimeout(function" vol_down_up(cmd,/a_return)/{/if/(a_return="">= target_vol){
                    clearTimeout(timerId); // если достигли нужного значения, выходим из рекурсии
                } else timerId = setTimeout(vol_down_up(cmd, a_return), 1000); // или продолжаем вызывать функцию
            }, 1000);
        } 
    })  
}

set_volume(45);</target_vol){>
        1 Reply Last reply Reply Quote 0
        • A
          andrey99986 last edited by 

          host.home	2018-04-06 18:27:47.343	info	Restart adapter system.adapter.javascript.0 because enabled
host.home	2018-04-06 18:27:47.342	error	instance system.adapter.javascript.0 terminated with code 0 (OK)
javascript.0	2018-04-06 18:27:47.335	info	terminating
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:43:54)
javascript.0	2018-04-06 18:27:47.333	error	RangeError: Maximum call stack size exceeded
javascript.0	2018-04-06 18:27:47.333	error	uncaught exception: Maximum call stack size exceeded
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: count=15.5
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: target_vol=45
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: a=29.5
javascript.0	2018-04-06 18:27:46.320	info	VOL059
javascript.0	2018-04-06 18:27:46.320	info	Escape character is '^]'.
javascript.0	2018-04-06 18:27:46.320	info	Connected to 192.168.1.81.
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: Start str=Trying 192.168.1.81...
javascript.0	2018-04-06 18:27:44.912	info	script.js.test.Скрипт2: registered 0 subscriptions and 0 schedules
javascript.0	2018-04-06 18:27:44.907	info	Start javascript script.js.test.Скрипт2
          1 Reply Last reply Reply Quote 0
          • A
            andrey99986 last edited by

            @Haba:

            Попробуй так, код не тестил. Могут быть ошибки `
            Вот они:

            host.home	2018-04-06 18:27:47.343	info	Restart adapter system.adapter.javascript.0 because enabled
host.home	2018-04-06 18:27:47.342	error	instance system.adapter.javascript.0 terminated with code 0 (OK)
javascript.0	2018-04-06 18:27:47.335	info	terminating
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:46:45)
javascript.0	2018-04-06 18:27:47.333	error	at vol_down_up (script.js.test.Скрипт2:43:54)
javascript.0	2018-04-06 18:27:47.333	error	RangeError: Maximum call stack size exceeded
javascript.0	2018-04-06 18:27:47.333	error	uncaught exception: Maximum call stack size exceeded
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: count=15.5
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: target_vol=45
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: a=29.5
javascript.0	2018-04-06 18:27:46.320	info	VOL059
javascript.0	2018-04-06 18:27:46.320	info	Escape character is '^]'.
javascript.0	2018-04-06 18:27:46.320	info	Connected to 192.168.1.81.
javascript.0	2018-04-06 18:27:46.320	info	script.js.test.Скрипт2: Start str=Trying 192.168.1.81...
javascript.0	2018-04-06 18:27:44.912	info	script.js.test.Скрипт2: registered 0 subscriptions and 0 schedules
javascript.0	2018-04-06 18:27:44.907	info	Start javascript script.js.test.Скрипт2
            1 Reply Last reply Reply Quote 0
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