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authormguetlein <martin.guetlein@gmail.com>2012-03-20 16:09:30 +0100
committermguetlein <martin.guetlein@gmail.com>2012-03-20 16:09:30 +0100
commit859365c570a514b7c33fa446875f42ff1aa62100 (patch)
tree89aa4415c8fe871c23a9970eb7b45317e11648a7
parent6e395672a02d47218bc80769765d588437a12661 (diff)
fix id-multithread issue via id-file
-rw-r--r--application.rb19
1 files 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)