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improve the solution with one-liner command 'ps -lef||ps'

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song
2018-02-07 23:47:26 +08:00
parent 963de7fbd0
commit febac1dc0a
1 changed files with 20 additions and 42 deletions
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62
lib/util/devutil.js
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@@ -5,8 +5,6 @@ var Promise = require('bluebird')
var devutil = module.exports = Object.create(null)
var commands = Object.create(null)
function closedError(err) {
return err.message.indexOf('closed') !== -1
}
@@ -41,48 +39,28 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
shell: true
}
return new Promise(function(resolve) {
if ('ps' in commands) {
resolve(commands)
}
else {
adb.getProperties(serial)
.then(function(properties) {
var version = properties['ro.build.version.release']
if (version.match(/^8\./) !== null) {
commands.ps = 'ps -lef'
}
else {
commands.ps = 'ps'
}
resolve(commands)
})
}
})
.then(function(commands) {
return adb.shell(serial, [commands.ps])
.then(function(out) {
return new Promise(function(resolve) {
var header = true
var pids = []
out.pipe(split())
.on('data', function(chunk) {
if (header) {
header = false
return adb.shell(serial, 'ps -lef||ps')
.then(function(out) {
return new Promise(function(resolve) {
var header = true
var pids = []
out.pipe(split())
.on('data', function(chunk) {
if (header&&chunk.toString().indexOf('bad pid') === -1) {
header = false
}
else {
var cols = chunk.toString().split(/\s+/)
if (cols.pop() === bin && users[cols[0]]) {
pids.push(Number(cols[1]))
}
else {
var cols = chunk.toString().split(/\s+/)
if (cols.pop() === bin && users[cols[0]]) {
pids.push(Number(cols[1]))
}
}
})
.on('end', function() {
resolve(pids)
})
})
}
})
.on('end', function() {
resolve(pids)
})
})
})
})
}
devutil.waitForProcsToDie = function(adb, serial, comm, bin) {