github.com/iDigitalFlame/xmt@v0.5.4/cmd/list_base.go (about)

     1  // Copyright (C) 2020 - 2023 iDigitalFlame
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU General Public License as published by
     5  // the Free Software Foundation, either version 3 of the License, or
     6  // any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU General Public License
    14  // along with this program.  If not, see <https://www.gnu.org/licenses/>.
    15  //
    16  
    17  package cmd
    18  
    19  import "github.com/iDigitalFlame/xmt/data"
    20  
    21  // ProcessInfo is a struct that holds simple process related data for extraction
    22  // This struct is returned via a call to 'Processes'.
    23  //
    24  // This struct also supports binary Marshaling/UnMarshaling.
    25  type ProcessInfo struct {
    26  	_          [0]func()
    27  	Name, User string
    28  	PID, PPID  uint32
    29  }
    30  
    31  // MarshalStream transforms this struct into a binary format and writes to the
    32  // supplied data.Writer.
    33  func (p ProcessInfo) MarshalStream(w data.Writer) error {
    34  	if err := w.WriteUint32(p.PID); err != nil {
    35  		return err
    36  	}
    37  	if err := w.WriteUint32(p.PPID); err != nil {
    38  		return err
    39  	}
    40  	if err := w.WriteString(p.Name); err != nil {
    41  		return err
    42  	}
    43  	return w.WriteString(p.User)
    44  }
    45  
    46  // UnmarshalStream transforms this struct from a binary format that is read from
    47  // the supplied data.Reader.
    48  func (p *ProcessInfo) UnmarshalStream(r data.Reader) error {
    49  	if err := r.ReadUint32(&p.PID); err != nil {
    50  		return err
    51  	}
    52  	if err := r.ReadUint32(&p.PPID); err != nil {
    53  		return err
    54  	}
    55  	if err := r.ReadString(&p.Name); err != nil {
    56  		return err
    57  	}
    58  	return r.ReadString(&p.User)
    59  }