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Retry in case of timeout (#35)

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while gradually increasing the time limit
This commit is contained in:
Junegunn Choi 2014-07-20 02:14:15 +09:00
parent e4671eaf9e
commit 3323163e04
2 changed files with 12 additions and 6 deletions
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9
README.md
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@ -84,10 +84,11 @@ before the call.
### Options for parallel installer ### Options for parallel installer
| Flag | Default | Description | | Flag | Default | Description |
| ---------------- | ------- | --------------------------------- | | ---------------- | ------- | ------------------------------------ |
| `g:plug_threads` | 16 | Default number of threads to use | | `g:plug_threads` | 16 | Default number of threads to use |
| `g:plug_timeout` | 60 | Time limit of each task in seconds | | `g:plug_timeout` | 60 | Time limit of each task in seconds |
| `g:plug_retries` | 2 | Number of retries in case of timeout |
### Keybindings ### Keybindings

9
plug.vim
View File

@ -610,6 +610,7 @@ function! s:update_parallel(pull, todo, threads)
base = VIM::evaluate('g:plug_home') base = VIM::evaluate('g:plug_home')
all = VIM::evaluate('copy(a:todo)') all = VIM::evaluate('copy(a:todo)')
limit = VIM::evaluate('get(g:, "plug_timeout", 60)') limit = VIM::evaluate('get(g:, "plug_timeout", 60)')
tries = VIM::evaluate('get(g:, "plug_retries", 2)') + 1
nthr = VIM::evaluate('a:threads').to_i nthr = VIM::evaluate('a:threads').to_i
maxy = VIM::evaluate('winheight(".")').to_i maxy = VIM::evaluate('winheight(".")').to_i
cd = iswin ? 'cd /d' : 'cd' cd = iswin ? 'cd /d' : 'cd'
@ -652,11 +653,14 @@ function! s:update_parallel(pull, todo, threads)
end end
} }
bt = proc { |cmd, name, type| bt = proc { |cmd, name, type|
tried = timeout = 0
begin begin
tried += 1
timeout += limit
fd = nil fd = nil
data = '' data = ''
if iswin if iswin
Timeout::timeout(limit) do Timeout::timeout(timeout) do
tmp = VIM::evaluate('tempname()') tmp = VIM::evaluate('tempname()')
system("#{cmd} > #{tmp}") system("#{cmd} > #{tmp}")
data = File.read(tmp).chomp data = File.read(tmp).chomp
@ -666,7 +670,7 @@ function! s:update_parallel(pull, todo, threads)
fd = IO.popen(cmd).extend(PlugStream) fd = IO.popen(cmd).extend(PlugStream)
first_line = true first_line = true
log_prob = 1.0 / nthr log_prob = 1.0 / nthr
while line = Timeout::timeout(limit) { fd.get_line } while line = Timeout::timeout(timeout) { fd.get_line }
data << line data << line
log.call name, line.chomp, type if name && (first_line || rand < log_prob) log.call name, line.chomp, type if name && (first_line || rand < log_prob)
first_line = false first_line = false
@ -689,6 +693,7 @@ function! s:update_parallel(pull, todo, threads)
pids.each { |pid| Process.kill 'TERM', pid.to_i rescue nil } pids.each { |pid| Process.kill 'TERM', pid.to_i rescue nil }
fd.close fd.close
end end
retry if e.is_a?(Timeout::Error) && tried < tries
[false, e.is_a?(Interrupt) ? "Interrupted!" : "Timeout!"] [false, e.is_a?(Interrupt) ? "Interrupted!" : "Timeout!"]
end end
} }