45 lines
933 B
Lua
45 lines
933 B
Lua
local skynet = require "skynet"
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local service = {}
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local cache = {}
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local provider
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local function get_provider()
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provider = provider or skynet.uniqueservice "service_provider"
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return provider
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end
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local function check(func)
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local info = debug.getinfo(func, "u")
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assert(info.nups == 1)
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assert(debug.getupvalue(func,1) == "_ENV")
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end
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function service.new(name, mainfunc, ...)
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local p = get_provider()
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local addr, booting = skynet.call(p, "lua", "test", name)
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local address
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if addr then
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address = addr
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else
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if booting then
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address = skynet.call(p, "lua", "query", name)
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else
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check(mainfunc)
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local code = string.dump(mainfunc)
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address = skynet.call(p, "lua", "launch", name, code, ...)
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end
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end
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cache[name] = address
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return address
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end
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function service.query(name)
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if not cache[name] then
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cache[name] = skynet.call(get_provider(), "lua", "query", name)
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end
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return cache[name]
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end
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return service
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