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Refactor loop code into its own package

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This commit is contained in:
Kovid Goyal
2022-08-26 12:47:58 +05:30
parent 0aa05b02e8
commit 1b90c03304
11 changed files with 893 additions and 846 deletions
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37
tools/cmd/at/tty_io.go
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@@ -3,58 +3,59 @@
package at
import (
"kitty/tools/tui"
"os"
"time"
"kitty/tools/tui/loop"
)
func do_chunked_io(io_data *rc_io_data) (serialized_response []byte, err error) {
serialized_response = make([]byte, 0)
loop, err := tui.CreateLoop()
loop.NoAlternateScreen()
lp, err := loop.New()
lp.NoAlternateScreen()
if err != nil {
return
}
var last_received_data_at time.Time
var final_write_id tui.IdType
var check_for_timeout func(loop *tui.Loop, timer_id tui.IdType) error
var final_write_id loop.IdType
var check_for_timeout func(timer_id loop.IdType) error
check_for_timeout = func(loop *tui.Loop, timer_id tui.IdType) error {
check_for_timeout = func(timer_id loop.IdType) error {
time_since_last_received_data := time.Now().Sub(last_received_data_at)
if time_since_last_received_data >= io_data.timeout {
return os.ErrDeadlineExceeded
}
loop.AddTimer(io_data.timeout-time_since_last_received_data, false, check_for_timeout)
lp.AddTimer(io_data.timeout-time_since_last_received_data, false, check_for_timeout)
return nil
}
transition_to_read := func() {
if io_data.rc.NoResponse {
loop.Quit(0)
lp.Quit(0)
}
last_received_data_at = time.Now()
loop.AddTimer(io_data.timeout, false, check_for_timeout)
lp.AddTimer(io_data.timeout, false, check_for_timeout)
}
loop.OnReceivedData = func(loop *tui.Loop, data []byte) error {
lp.OnReceivedData = func(data []byte) error {
last_received_data_at = time.Now()
return nil
}
loop.OnInitialize = func(loop *tui.Loop) (string, error) {
lp.OnInitialize = func() (string, error) {
chunk, err := io_data.next_chunk(true)
if err != nil {
return "", err
}
write_id := loop.QueueWriteBytesDangerous(chunk)
write_id := lp.QueueWriteBytesDangerous(chunk)
if len(chunk) == 0 {
final_write_id = write_id
}
return "", nil
}
loop.OnWriteComplete = func(loop *tui.Loop, completed_write_id tui.IdType) error {
lp.OnWriteComplete = func(completed_write_id loop.IdType) error {
if completed_write_id == final_write_id {
transition_to_read()
return nil
@@ -63,22 +64,22 @@ func do_chunked_io(io_data *rc_io_data) (serialized_response []byte, err error)
if err != nil {
return err
}
write_id := loop.QueueWriteBytesDangerous(chunk)
write_id := lp.QueueWriteBytesDangerous(chunk)
if len(chunk) == 0 {
final_write_id = write_id
}
return nil
}
loop.OnRCResponse = func(loop *tui.Loop, raw []byte) error {
lp.OnRCResponse = func(raw []byte) error {
serialized_response = raw
loop.Quit(0)
lp.Quit(0)
return nil
}
err = loop.Run()
err = lp.Run()
if err == nil {
loop.KillIfSignalled()
lp.KillIfSignalled()
}
return