e3caa90c31
refact imports to github.xxx. update go.mod + go.sum * removed vendor/ folder * Added vendor/ submodule. Moved dependencies that need to be vendored into separate repository. - https://github.com/spdfg/elektron-vendor Added vendor/ as a submodule using the below command. - git submodule add https://github.com/spdfg/elektron-vendor vendor If wanting to use vendor, run the following commands after cloning elektron. 1. git submodule init 2. git submodule update * added instructions to clone vendor/ submodule. * updated module to spdfg. Refactored imports
90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
// Copyright (C) 2018 spdfg
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//
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// This file is part of Elektron.
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//
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// Elektron is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Elektron is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Elektron. If not, see <http://www.gnu.org/licenses/>.
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//
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package pcp
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import (
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"bufio"
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"log"
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"os/exec"
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"syscall"
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"time"
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elekLogDef "github.com/spdfg/elektron/logging/def"
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)
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func Start(quit chan struct{}, logging *bool, logMType chan elekLogDef.LogMessageType,
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logMsg chan string, pcpConfigFile string) {
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var pcpCommand string = "pmdumptext -m -l -f '' -t 1.0 -d , -c " + pcpConfigFile
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cmd := exec.Command("sh", "-c", pcpCommand)
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cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
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pipe, err := cmd.StdoutPipe()
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if err != nil {
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log.Fatal(err)
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}
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//cmd.Stdout = stdout
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scanner := bufio.NewScanner(pipe)
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go func(logging *bool) {
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// Get names of the columns.
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scanner.Scan()
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// Write to logfile
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logMType <- elekLogDef.PCP
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logMsg <- scanner.Text()
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// Throw away first set of results
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scanner.Scan()
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seconds := 0
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for scanner.Scan() {
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text := scanner.Text()
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if *logging {
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logMType <- elekLogDef.PCP
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logMsg <- text
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}
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seconds++
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}
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}(logging)
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logMType <- elekLogDef.GENERAL
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logMsg <- "PCP logging started"
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if err := cmd.Start(); err != nil {
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log.Fatal(err)
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}
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pgid, err := syscall.Getpgid(cmd.Process.Pid)
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select {
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case <-quit:
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logMType <- elekLogDef.GENERAL
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logMsg <- "Stopping PCP logging in 5 seconds"
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time.Sleep(5 * time.Second)
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// http://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
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// Kill process and all children processes.
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syscall.Kill(-pgid, 15)
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return
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}
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}
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