59 lines
1.6 KiB
Crystal
59 lines
1.6 KiB
Crystal
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require "json"
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# keep track of connected users and their requests
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# TODO: requests should be handled concurrently
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class User
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property uid : Int32
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property token : FileStorage::Token
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property uploads : Array(FileStorage::UploadRequest)
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property downloads : Array(FileStorage::DownloadRequest)
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def initialize(@token,
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@uploads = Array(FileStorage::UploadRequest).new,
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@downloads = Array(FileStorage::DownloadRequest).new)
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@uid = token.uid
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end
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end
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class TransferInfo
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include JSON::Serializable
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property owner : Int32
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property file_info : FileInfo
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property chunks : Hash(Int32, Bool)
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def initialize(@owner, @file_info)
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@chunks = Hash(Int32, Bool).new
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@file_info.nb_chunks.times do |n|
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@chunks[n] = false
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end
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end
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end
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class Context
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class_property service_name = "filestorage"
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class_property storage_directory = "./storage"
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class_property file_info_directory = "./file-infos"
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class_property db : DODB::DataBase(TransferInfo) = self.init_db
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def init_db
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@@db = DODB::DataBase(TransferInfo).new @@file_info_directory
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# init index, partitions and tags
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Context.db.new_index "filedigest", &.file_info.digest
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Context.db.new_partition "owner", &.owner
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Context.db.new_tags "tags", &.tags
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end
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# list of connected users (fd => uid)
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class_property connected_users = Hash(Int32, Int32).new
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# users_status: keep track of the users' status even if they are
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# disconnected, allowing the application to handle connection problems
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class_property users_status = Hash(Int32, User).new
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class_property service : IPC::Service? = nil
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end
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