github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/runtime/local/process/process.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License");
     2  // you may not use this file except in compliance with the License.
     3  // You may obtain a copy of the License at
     4  //
     5  //     https://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS,
     9  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  // See the License for the specific language governing permissions and
    11  // limitations under the License.
    12  //
    13  // Original source: github.com/micro/go-micro/v3/runtime/local/process/process.go
    14  
    15  // Package process executes a binary
    16  package process
    17  
    18  import (
    19  	"io"
    20  )
    21  
    22  // Process manages a running process
    23  type Process interface {
    24  	// Executes a process to completion
    25  	Exec(*Binary) error
    26  	// Creates a new process
    27  	Fork(*Binary) (*PID, error)
    28  	// Kills the process
    29  	Kill(*PID) error
    30  	// Waits for a process to exit
    31  	Wait(*PID) error
    32  }
    33  
    34  type Binary struct {
    35  	// Package containing executable
    36  	Package *Package
    37  	// The env variables
    38  	Env []string
    39  	// Args to pass
    40  	Args []string
    41  	// Initial working directory
    42  	Dir string
    43  }
    44  
    45  // Source is the source of a build
    46  type Source struct {
    47  	// Path to the source if local
    48  	Path string
    49  	// Language is the language of code
    50  	Language string
    51  	// Location of the source
    52  	Repository string
    53  }
    54  
    55  // Package is packaged format for source
    56  type Package struct {
    57  	// Name of the package
    58  	Name string
    59  	// Location of the package
    60  	Path string
    61  	// Type of package e.g tarball, binary, docker
    62  	Type string
    63  	// Source of the package
    64  	Source *Source
    65  }
    66  
    67  // PID is the running process
    68  type PID struct {
    69  	// ID of the process
    70  	ID string
    71  	// Stdin
    72  	Input io.Writer
    73  	// Stdout
    74  	Output io.Reader
    75  	// Stderr
    76  	Error io.Reader
    77  }