mirror of
https://github.com/cgrates/cgrates.git
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66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
/*
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Rating system designed to be used in VoIP Carriers World
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Copyright (C) 2012 Radu Ioan Fericean
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This program 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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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package main
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import (
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"log"
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"time"
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)
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var (
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cm = NewChanMutex()
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)
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type Command struct {
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name string
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data string
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}
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func (c *Command) Execute() (err error) {
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ch := cm.pipe[c.name]
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ch <- c
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log.Print(c.data)
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time.Sleep(1 * time.Second)
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log.Print("end ", c.data)
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<-ch
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return
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}
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type ChanMutex struct {
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pipe map[string]chan *Command
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}
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func NewChanMutex() *ChanMutex {
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return &ChanMutex{pipe: make(map[string]chan *Command)}
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}
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func (cm *ChanMutex) Execute(c *Command) {
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if _, exists := cm.pipe[c.name]; !exists {
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cm.pipe[c.name] = make(chan *Command, 1)
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}
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c.Execute()
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}
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func main() {
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go cm.Execute(&Command{"vdf:rif", "prima rif"})
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go cm.Execute(&Command{"vdf:dan", "prima Dan"})
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go cm.Execute(&Command{"vdf:rif", "a doua rif"})
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time.Sleep(5 * time.Second)
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}
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