[PATCH 8/8] netbox: implement perform_request via async version
Vladislav Shpilevoy
v.shpilevoy at tarantool.org
Mon Apr 16 21:39:18 MSK 2018
When async netbox was introduced, it is not needed to hold a
special sync implementation - it can be just async call + waiting
for a response.
Closes #3107
---
src/box/lua/net_box.lua | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/src/box/lua/net_box.lua b/src/box/lua/net_box.lua
index a2b7b39d2..6b33f70c7 100644
--- a/src/box/lua/net_box.lua
+++ b/src/box/lua/net_box.lua
@@ -437,24 +437,16 @@ local function create_transport(host, port, user, password, callback,
--
-- Send a request and wait for response.
+ -- @retval nil, error Error occured.
+ -- @retval not nil Response object.
--
local function perform_request(timeout, buffer, method, ...)
local request, err =
perform_async_request(buffer, method, ...)
if not request then
- return last_errno or E_NO_CONNECTION, last_error
+ return nil, err
end
- request.client = fiber_self()
- local id = request.id
- local deadline = fiber_clock() + (timeout or TIMEOUT_INFINITY)
- repeat
- local timeout = max(0, deadline - fiber_clock())
- if not state_cond:wait(timeout) then
- requests[id] = nil
- return E_TIMEOUT, 'Timeout exceeded'
- end
- until requests[id] == nil -- i.e. completed (beware spurious wakeups)
- return request.errno, request.response
+ return request:wait_result(timeout)
end
local function dispatch_response_iproto(hdr, body_rpos, body_end)
@@ -988,9 +980,9 @@ function remote_methods:_request(method, opts, ...)
transport.wait_state('active', timeout)
timeout = deadline and max(0, deadline - fiber_clock())
end
- local err, res = transport.perform_request(timeout, buffer, method, ...)
+ local res, err = transport.perform_request(timeout, buffer, method, ...)
if err then
- box.error({code = err, reason = res})
+ box.error.raise(err)
end
-- Try to wait until a schema is reloaded if needed.
-- Regardless of reloading result, the main response is
@@ -1182,13 +1174,13 @@ function console_methods:eval(line, timeout)
end
if self.protocol == 'Binary' then
local loader = 'return require("console").eval(...)'
- err, res = pr(timeout, nil, 'eval', loader, {line})
+ res, err = pr(timeout, nil, 'eval', loader, {line})
else
assert(self.protocol == 'Lua console')
- err, res = pr(timeout, nil, 'inject', line..'$EOF$\n')
+ res, err = pr(timeout, nil, 'inject', line..'$EOF$\n')
end
if err then
- box.error({code = err, reason = res})
+ box.error.raise(err)
end
return res[1] or res
end
--
2.15.1 (Apple Git-101)
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