61 lines
1.1 KiB
Crystal
61 lines
1.1 KiB
Crystal
require "json"
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require "./ipc.cr"
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class IPC::JSON
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include ::JSON::Serializable
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#@[::JSON::Field(ignored: true)]
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class_property type = -1
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property id : ::JSON::Any?
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def type
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@@type
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end
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macro message(id, type, &block)
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class {{id}} < ::IPC::JSON
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include ::JSON::Serializable
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@@type = {{type}}
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{{yield}}
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end
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end
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end
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class IPC::Context
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def send(fd : Int32, message : IPC::JSON)
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send fd, message.type.to_u8, message.to_json
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end
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def send_now(fd : Int32, message : IPC::JSON)
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send_now fd, message.type.to_u8, message.to_json
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end
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end
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class IPC::Client
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def send(message : IPC::JSON)
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send @server_fd.not_nil!, message.type.to_u8, message.to_json
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end
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def send_now(message : IPC::JSON)
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send_now @server_fd.not_nil!, message.type.to_u8, message.to_json
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end
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end
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# CAUTION: Only use this method on an Array(IPC::JSON.class)
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class Array(T)
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def parse_ipc_json(message : IPC::Message) : IPC::JSON?
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message_type = find &.type.==(message.utype)
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payload = String.new message.payload
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if message_type.nil?
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raise "invalid message type (#{message.utype})"
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end
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message_type.from_json payload
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end
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end
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