summaryrefslogtreecommitdiffstats
path: root/pkg/tasks
diff options
context:
space:
mode:
authorJesse Duffield <jessedduffield@gmail.com>2020-03-03 22:41:35 +1100
committerJesse Duffield <jessedduffield@gmail.com>2020-03-04 00:12:23 +1100
commitb3522c48d9377fec9397581cf2ab439c92590c20 (patch)
treeb6d6be1d6eee091cc4cb6c7a4dc3cc96699a04fb /pkg/tasks
parent0fc58a79867ae91ce8c0374ecfe95407b621ce55 (diff)
refactor
Diffstat (limited to 'pkg/tasks')
-rw-r--r--pkg/tasks/tasks.go115
1 files changed, 12 insertions, 103 deletions
diff --git a/pkg/tasks/tasks.go b/pkg/tasks/tasks.go
index 716de488e..853c45fe9 100644
--- a/pkg/tasks/tasks.go
+++ b/pkg/tasks/tasks.go
@@ -4,7 +4,6 @@ import (
"bufio"
"fmt"
"io"
- "os"
"os/exec"
"sync"
"time"
@@ -47,110 +46,16 @@ func (m *ViewBufferManager) ReadLines(n int) {
}()
}
-func (m *ViewBufferManager) NewCmdTask(cmd *exec.Cmd, linesToRead int) func(chan struct{}) error {
+func (m *ViewBufferManager) NewCmdTask(r io.Reader, cmd *exec.Cmd, linesToRead int, onDone func()) func(chan struct{}) error {
return func(stop chan struct{}) error {
- r, err := cmd.StdoutPipe()
- if err != nil {
- return err
- }
- cmd.Stderr = cmd.Stdout
-
- if err := cmd.Start(); err != nil {
- return err
- }
-
go func() {
<-stop
- if cmd.ProcessState == nil {
- if err := commands.Kill(cmd); err != nil {
- m.Log.Warn(err)
- }
- }
- }()
-
- // not sure if it's the right move to redefine this or not
- m.readLines = make(chan int, 1024)
-
- done := make(chan struct{})
-
- go func() {
- scanner := bufio.NewScanner(r)
- scanner.Split(bufio.ScanLines)
-
- loaded := false
-
- go func() {
- ticker := time.NewTicker(time.Millisecond * 100)
- defer ticker.Stop()
- select {
- case <-ticker.C:
- if !loaded {
- m.beforeStart()
- m.writer.Write([]byte("loading..."))
- m.refreshView()
- }
- case <-stop:
- return
- }
- }()
-
- outer:
- for {
- select {
- case linesToRead := <-m.readLines:
- for i := 0; i < linesToRead; i++ {
- ok := scanner.Scan()
- if !loaded {
- m.beforeStart()
- loaded = true
- }
-
- select {
- case <-stop:
- m.refreshView()
- break outer
- default:
- }
- if !ok {
- m.refreshView()
- break outer
- }
- m.writer.Write(append(scanner.Bytes(), []byte("\n")...))
- }
- m.refreshView()
- case <-stop:
- m.refreshView()
- break outer
- }
- }
- m.refreshView()
-
- if err := cmd.Wait(); err != nil {
+ if err := commands.Kill(cmd); err != nil {
m.Log.Warn(err)
}
-
- close(done)
- }()
-
- m.readLines <- linesToRead
-
- <-done
-
- return nil
- }
-}
-
-func (m *ViewBufferManager) NewPtyTask(ptmx *os.File, cmd *exec.Cmd, linesToRead int, onClose func()) func(chan struct{}) error {
- return func(stop chan struct{}) error {
- r := ptmx
-
- defer ptmx.Close()
-
- done := make(chan struct{})
- go func() {
- <-stop
- commands.Kill(cmd)
- ptmx.Close()
+ if onDone != nil {
+ onDone()
+ }
}()
loadingMutex := sync.Mutex{}
@@ -158,6 +63,8 @@ func (m *ViewBufferManager) NewPtyTask(ptmx *os.File, cmd *exec.Cmd, linesToRead
// not sure if it's the right move to redefine this or not
m.readLines = make(chan int, 1024)
+ done := make(chan struct{})
+
go func() {
scanner := bufio.NewScanner(r)
scanner.Split(bufio.ScanLines)
@@ -196,6 +103,7 @@ func (m *ViewBufferManager) NewPtyTask(ptmx *os.File, cmd *exec.Cmd, linesToRead
select {
case <-stop:
+ m.refreshView()
break outer
default:
}
@@ -207,6 +115,7 @@ func (m *ViewBufferManager) NewPtyTask(ptmx *os.File, cmd *exec.Cmd, linesToRead
}
m.refreshView()
case <-stop:
+ m.refreshView()
break outer
}
}
@@ -217,16 +126,16 @@ func (m *ViewBufferManager) NewPtyTask(ptmx *os.File, cmd *exec.Cmd, linesToRead
m.refreshView()
- onClose()
+ if onDone != nil {
+ onDone()
+ }
close(done)
}()
m.readLines <- linesToRead
- m.Log.Warn("waiting for done channel")
<-done
- m.Log.Warn("done channel returned")
return nil
}