From 859365c570a514b7c33fa446875f42ff1aa62100 Mon Sep 17 00:00:00 2001 From: mguetlein Date: Tue, 20 Mar 2012 16:09:30 +0100 Subject: fix id-multithread issue via id-file --- application.rb | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/application.rb b/application.rb index aa88ecb..5382453 100644 --- a/application.rb +++ b/application.rb @@ -7,11 +7,24 @@ set :lock, true @@datadir = "data" +@@idfile_path = @@datadir+"/id" +unless File.exist?(@@idfile_path) + id = Dir["./#{@@datadir}/*json"].collect{|f| File.basename(f.sub(/.json/,'')).to_i}.sort.last + id = 0 if id.nil? + open(@@idfile_path,"w") do |f| + f.puts(id) + end +end + helpers do def next_id - id = Dir["./#{@@datadir}/*json"].collect{|f| File.basename(f.sub(/.json/,'')).to_i}.sort.last - id = 0 if id.nil? - id + 1 + open(@@idfile_path, "r+") do |f| + f.flock(File::LOCK_EX) + @id = f.gets.to_i + 1 + f.rewind + f.print @id + end + return @id end def uri(id) -- cgit v1.2.3