mirror of
https://github.com/lxsang/antd-lua-plugin
synced 2025-01-01 03:58:22 +01:00
87 lines
3.0 KiB
Lua
87 lines
3.0 KiB
Lua
local path = "/home/blackjack/workspace/ant-http/plugins/antd-lua-plugin/lib/ffi/example/libtest.so"
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local path = "/Users/mrsang/Google Drive/ushare/cwp/ant-http/plugins/antd-lua-plugin/lib/ffi/example/libtest.so"
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require("cif")
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local lib = nil
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local fn = nil
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local rettype = nil
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local argtype = nil
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lib = FFI.load(path)
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if lib then
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-- now try to lookup for the greet function
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fn = FFI.lookup(lib,"greet")
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if fn then
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-- now the function
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-- tried to called it
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rettype = FFI.atomic(FFI.type.UINT8) -- voidn
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argtype = {
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FFI.atomic(FFI.type.POINTER),
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FFI.atomic(FFI.type.DOUBLE),
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FFI.atomic(FFI.type.SINT64),
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FFI.atomic(FFI.type.SINT8)
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} -- pointer
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-- call the function
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local r = FFI.call(rettype, argtype, fn, {"hello world", 0.987, -76, 65})
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if r then
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echo(r)
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else
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echo("HELL FAIL")
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end
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end
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fn = FFI.lookup(lib, "test_struct")
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if fn then
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local struct1 = FFI.struct({
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FFI.atomic(FFI.type.UINT8), -- char
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FFI.atomic(FFI.type.SINT32), -- char
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FFI.atomic(FFI.type.SINT16), -- char
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FFI.atomic(FFI.type.UINT8), -- char
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})
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local struct = FFI.struct({
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FFI.atomic(FFI.type.UINT8), -- char
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struct1,
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FFI.atomic(FFI.type.SINT32), -- int
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FFI.atomic(FFI.type.UINT8), -- char
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})
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rettype = struct --FFI.atomic(FFI.type.DOUBLE)
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echo("call with struct")
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local r = FFI.call(rettype,{struct},fn,{{65, {66, 2048, -97,67},-1024, 68}})
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if r then echo(JSON.encode(r)) end
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--echo(JSON.encode(FFI.meta(struct1)))
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end
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fn = FFI.lookup(lib, "test_string")
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if(fn) then
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local buff = FFI.new(256)
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FFI.call(FFI.atomic(FFI.type.VOID),{FFI.atomic(FFI.type.POINTER), FFI.atomic(FFI.type.POINTER)}, fn, {buff,"Hello world"})
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echo(FFI.string(buff))
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echo(tostring(FFI.bytearray(buff,5)[1]))
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FFI.byteAtPut(buff,0, 11)
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echo(tostring(FFI.byteAt(buff,0)))
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end
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local size = 1024
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local struct_ptr = FFI.new(12)
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local buff = FFI.new(5)
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FFI.byteAtPut(buff,0,64)
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FFI.byteAtPut(buff,1,65)
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FFI.byteAtPut(buff,2,66)
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FFI.byteAtPut(buff,3,67)
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FFI.byteAtPut(buff,4,0)
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FFI.byteAtPut(struct_ptr, 0, 10)
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FFI.byteAtPut(struct_ptr, 1, 100)
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FFI.byteAtPut(struct_ptr, 2, 0) -- pad
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FFI.byteAtPut(struct_ptr, 3, 0) -- pad
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FFI.byteAtPut(struct_ptr, 4, size & 0xFF)
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FFI.byteAtPut(struct_ptr, 5, (size >> 8) & 0xFF)
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FFI.byteAtPut(struct_ptr, 6, (size >> 16) & 0xFF)
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FFI.byteAtPut(struct_ptr, 7, (size >> 24) & 0xFF)
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FFI.atPutPtr(struct_ptr, 8, buff)
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fn = FFI.lookup(lib, "test_struct_ptr")
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if(fn) then
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echo("calling test_struct_ptr")
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FFI.call(FFI.atomic(FFI.type.SINT),{FFI.atomic(FFI.type.POINTER)}, fn, {struct_ptr})
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end
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FFI.unloadAll()
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end
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echo("end the day") |