Packages
absinthe
1.9.0
1.11.0
1.10.2
1.10.1
1.10.0
1.9.1
1.9.0
1.8.0
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
1.7.1
1.7.0
1.6.8
1.6.7
retired
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.6.0-rc.1
1.6.0-rc.0
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.5.0-rc.5
1.5.0-rc.4
1.5.0-rc.3
1.5.0-rc.2
1.5.0-rc.1
1.5.0-rc.0
1.5.0-beta.2
1.5.0-beta.1
1.5.0-beta.0
1.5.0-alpha.4
1.5.0-alpha.3
1.5.0-alpha.2
1.5.0-alpha.1
1.5.0-alpha.0
1.4.16
1.4.15
1.4.14
1.4.13
1.4.12
1.4.11
1.4.10
1.4.9
1.4.8
retired
1.4.7
1.4.6
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.4.0-rc.3
1.4.0-rc.2
1.4.0-rc.1
1.4.0-rc.0
1.4.0-beta.5
1.4.0-beta.4
1.4.0-beta.3
1.4.0-beta.2
1.4.0-beta.1
1.3.2
1.3.1
1.3.0
1.3.0-rc.0
1.3.0-beta.2
1.3.0-beta.1
1.3.0-beta.0
1.2.6
1.2.5
1.2.4
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc.0
1.2.0-beta.0
1.2.0-alpha0
1.2.0-alpha.2
1.2.0-alpha.1
1.1.11
1.1.10
1.1.9
1.1.8
1.1.7
1.1.6
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.0.0
0.5.2
0.5.1
0.5.0
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.2.3
0.2.2
0.2.1
0.1.0
GraphQL for Elixir
Security advisory:
This version has known vulnerabilities.
View advisories
Current section
Files
Jump to
Current section
Files
lib/absinthe/subscription/proxy.ex
defmodule Absinthe.Subscription.Proxy do
@moduledoc false
use GenServer
defstruct [
:pubsub,
:node,
:task_super,
:async
]
def child_spec([_task_super, _pubsub, shard, _async] = args) do
%{
id: {__MODULE__, shard},
start: {__MODULE__, :start_link, [args]}
}
end
alias Absinthe.Subscription
@gc_interval 5_000
def start_link(args) do
GenServer.start_link(__MODULE__, args)
end
def topic(shard), do: "__absinthe__:proxy:#{shard}"
def init([task_super, pubsub, shard, async]) do
node_name = pubsub.node_name()
:ok = pubsub.subscribe(topic(shard))
Process.send_after(self(), :gc, @gc_interval)
{:ok, %__MODULE__{pubsub: pubsub, node: node_name, task_super: task_super, async: async}}
end
def handle_info(:gc, state) do
:erlang.garbage_collect()
Process.send_after(self(), :gc, @gc_interval)
{:noreply, state}
end
def handle_info(payload, state) do
# There's no meaningful form of backpressure to have here, and we can't
# bottleneck execution inside each proxy process
unless payload.node == state.pubsub.node_name() do
if state.async do
Task.Supervisor.start_child(state.task_super, Subscription.Local, :publish_mutation, [
state.pubsub,
payload.mutation_result,
payload.subscribed_fields
])
else
Subscription.Local.publish_mutation(
state.pubsub,
payload.mutation_result,
payload.subscribed_fields
)
end
end
{:noreply, state}
end
end