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Versions: 14
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Contents
VM_VERSION = 1
-- Global reference to hold the VM itself.
VM = nil
-- Create global agentdata and serverdata
agentdata = agentdata or {}
serverdata = serverdata or {}
-- XXX Java agent has built in assumption that this function exists before VM
-- initialisation.
-- Encode a Lua object to be sent to the server.
-- This can be removed when Java agent has moved to new VM API
function encode(object)
return cmsgpack.pack(object)
end
-- Function called by the Agent to call and sandbox a function.
function sandboxed_call(method, vars)
local rval = nil
-- Merge caller supplied vars
if vars then
-- utils.debug_dump("Merge vars from agent: ", vars)
for k, v in pairs(vars) do
if k ~= "utils" then -- XXX agent API compatability. Ignore utils.
_G[k] = v
end
end
end
if type(method) == "function" then
-- legacy hooks. Convert to new hook call
rval = method(vars)
if rval and type(rval) == 'table' then
-- Special handling for the __init__ hook
-- If rval contains a _vm_update key then (re)install the package loader
-- and (re)load packages and hooks
if rval._vm_update then
VM = rval._vm_update(DEV_MODE, VM_VERSION)
rval = {}
end
-- Special handling for the other hooks
if rval._vm_hook_call then
-- swap _vm_hook_call string into method which will be passed to hooks.run below
method = rval._vm_hook_call
else
-- Just punt the rval back to the caller.
return rval
end
end
end
if type(method) == "string" then
-- new style hook call
if VM then
-- Call it!
rval = VM.run(method, vars)
else
error("Attempt to call hook '" .. method .. "' before VM code has loaded.")
end
elseif type(method) ~= 'function' then
error("sandboxed_call called with a method of type " .. type(method) .. ".")
end
return rval
end
Version data entries
14 entries across 14 versions & 1 rubygems