Files
herolib/lib/osal/tmux/tmux_pane.v
2025-08-25 06:28:42 +02:00

144 lines
3.8 KiB
V

module tmux
import freeflowuniverse.herolib.osal.core as osal
import freeflowuniverse.herolib.data.ourtime
import time
// import freeflowuniverse.herolib.session
import os
import freeflowuniverse.herolib.ui.console
@[heap]
struct Pane {
pub mut:
window &Window @[str: skip]
id int // pane id (e.g., %1, %2)
pid int // process id
active bool // is this the active pane
cmd string // command running in pane
env map[string]string
created_at time.Time
last_output_offset int // for tracking new logs
}
pub fn (mut p Pane) stats() !ProcessStats {
if p.pid == 0 {
return ProcessStats{}
}
// Use ps command to get CPU and memory stats
cmd := 'ps -p ${p.pid} -o %cpu,%mem,rss --no-headers'
result := osal.execute_silent(cmd) or {
return error('Cannot get stats for PID ${p.pid}: ${err}')
}
if result.trim_space() == '' {
return error('Process ${p.pid} not found')
}
parts := result.trim_space().split_any(' \t').filter(it != '')
if parts.len < 3 {
return error('Invalid ps output: ${result}')
}
return ProcessStats{
cpu_percent: parts[0].f64()
memory_percent: parts[1].f64()
memory_bytes: parts[2].u64() * 1024 // ps returns KB, convert to bytes
}
}
pub struct TMuxLogEntry {
pub mut:
content string
timestamp time.Time
offset int
}
pub fn (mut p Pane) logs_get_new(reset bool) ![]TMuxLogEntry {
if reset {
p.last_output_offset = 0
}
// Capture pane content with line numbers
cmd := 'tmux capture-pane -t ${p.window.session.name}:@${p.window.id}.%${p.id} -S ${p.last_output_offset} -p'
result := osal.execute_silent(cmd) or { return error('Cannot capture pane output: ${err}') }
lines := result.split_into_lines()
mut entries := []TMuxLogEntry{}
mut i := 0
for line in lines {
if line.trim_space() != '' {
entries << TMuxLogEntry{
content: line
timestamp: time.now()
offset: p.last_output_offset + i + 1
}
}
}
// Update offset to avoid duplicates next time
if entries.len > 0 {
p.last_output_offset = entries.last().offset
}
return entries
}
pub fn (mut p Pane) exit_status() !ProcessStatus {
// Get the last few lines to see if there's an exit status
logs := p.logs_all()!
lines := logs.split_into_lines()
// Look for shell prompt indicating command finished
for line in lines.reverse() {
line_clean := line.trim_space()
if line_clean.contains('$') || line_clean.contains('#') || line_clean.contains('>') {
// Found shell prompt, command likely finished
// Could also check for specific exit codes in history
return .finished_ok
}
}
return .finished_error
}
pub fn (mut p Pane) logs_all() !string {
cmd := 'tmux capture-pane -t ${p.window.session.name}:@${p.window.id}.%${p.id} -S -2000 -p'
return osal.execute_silent(cmd) or { error('Cannot capture pane output: ${err}') }
}
// Fix the output_wait method to use correct method name
pub fn (mut p Pane) output_wait(c_ string, timeoutsec int) ! {
mut t := ourtime.now()
start := t.unix()
c := c_.replace('\n', '')
for i in 0 .. 2000 {
entries := p.logs_get_new(reset: false)!
for entry in entries {
if entry.content.replace('\n', '').contains(c) {
return
}
}
mut t2 := ourtime.now()
if t2.unix() > start + timeoutsec {
return error('timeout on output wait for tmux.\n${p} .\nwaiting for:\n${c}')
}
time.sleep(100 * time.millisecond)
}
}
// Get process information for this pane and all its children
pub fn (mut p Pane) processinfo() !osal.ProcessMap {
if p.pid == 0 {
return error('Pane has no associated process (pid is 0)')
}
return osal.processinfo_with_children(p.pid)!
}
// Get process information for just this pane's main process
pub fn (mut p Pane) processinfo_main() !osal.ProcessInfo {
if p.pid == 0 {
return error('Pane has no associated process (pid is 0)')
}
return osal.processinfo_get(p.pid)!
}