From 058bab0d7097405126566360308ace986c18ff8e Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Thu, 19 Jul 2018 17:08:23 +0200
Subject: Refactoring ; template for block store

---
 lib/net/manager.ex | 65 ------------------------------------------------------
 lib/net/tcpconn.ex | 10 ++++-----
 2 files changed, 5 insertions(+), 70 deletions(-)
 delete mode 100644 lib/net/manager.ex

(limited to 'lib/net')

diff --git a/lib/net/manager.ex b/lib/net/manager.ex
deleted file mode 100644
index 4b1ce94..0000000
--- a/lib/net/manager.ex
+++ /dev/null
@@ -1,65 +0,0 @@
-defmodule SNet.Manager do
-  use GenServer
-
-  def start_link(my_port) do
-    GenServer.start_link(__MODULE__, my_port, name: __MODULE__)
-  end
-
-  def init(my_port) do
-    state = %{
-              peers: %{},
-              my_port: my_port
-            }
-    {:ok, state}
-  end
-
-  def handle_cast({:peer_up, pk, pid, addr, ip}, state) do
-    new_peers = Map.put(state.peers, pk, {pid, addr, ip})
-    new_state = %{ state | peers: new_peers }
-    {:noreply, new_state}
-  end
-
-  def handle_cast({:peer_down, pk, addr, ip}, state) do
-    new_peers = Map.put(state.peers, pk, {nil, addr, ip})
-    new_state = %{ state | peers: new_peers }
-    {:noreply, new_state}
-  end
-
-  def handle_cast({:add_peer, ip, port}, state) do
-    add_peer(ip, port, state.my_port)
-    {:noreply, state}
-  end
-
-  def handle_cast({:try_connect, pk_list}, state) do
-    for pk <- pk_list do
-      case state.peers[pk] do
-        {nil, ip, port} -> add_peer(ip, port)
-        _ -> nil
-      end
-    end
-    {:noreply, state}
-  end
-
-  def handle_call(:get_all, _from, state) do
-    pid_list = (for {_, {pid, _, _}} <- state.peers, pid != nil, do: pid)
-    {:reply, pid_list, state}
-  end
-
-  def handle_call({:get_connections, pk_list}, _from, state) do
-    pid_list = (for pk <- pk_list, Map.has_key?(state.peers, pk), do: state.peers[pk])
-    |> Enum.map(fn {pid, _, _} -> pid end)
-    |> Enum.filter(&(&1 != nil))
-    {:ok, pid_list, state}
-  end
-
-  def add_peer(ip, port) do
-    GenServer.cast(__MODULE__, {:add_peer, ip, port})
-  end
-
-  def add_peer(ip, port, my_port) do
-    {:ok, client} = :gen_tcp.connect(ip, port, [:binary, packet: 2, active: false])
-    {:ok, pid} = DynamicSupervisor.start_child(Shard.DynamicSupervisor, {SNet.TCPConn, %{socket: client, my_port: my_port}})
-    :ok = :gen_tcp.controlling_process(client, pid)
-    pid
-  end
-end
diff --git a/lib/net/tcpconn.ex b/lib/net/tcpconn.ex
index 64c85e9..a16a62e 100644
--- a/lib/net/tcpconn.ex
+++ b/lib/net/tcpconn.ex
@@ -53,7 +53,7 @@ defmodule SNet.TCPConn do
         addr: addr,
         port: port
       }
-    GenServer.cast(SNet.Manager, {:peer_up, cli_pkey, self(), addr, his_port})
+    GenServer.cast(Shard.Manager, {:peer_up, cli_pkey, self(), addr, his_port})
     Logger.info "New peer: #{print_id state} at #{inspect addr}:#{port}"
     GenServer.cast(self(), :init_pull)
 
@@ -66,7 +66,7 @@ defmodule SNet.TCPConn do
   end
 
   def handle_cast(:init_pull, state) do
-    id_list = (for {id, _} <- GenServer.call(Shard.Manager, :list), do: id)
+    id_list = (for {id, _, _} <- :ets.tab2list(:shard_db), do: id)
     send_msg(state, {:interested, id_list})
     {:noreply, state}
   end
@@ -98,16 +98,16 @@ defmodule SNet.TCPConn do
 
   def handle_info({:tcp_closed, _socket}, state) do
     Logger.info "Disconnected: #{print_id state} at #{inspect state.addr}:#{state.port}"
-    GenServer.cast(SNet.Manager, {:peer_down, state.his_pkey, state.addr, state.port})
+    GenServer.cast(Shard.Manager, {:peer_down, state.his_pkey, state.addr, state.port})
     exit(:normal)
   end
 
   defp handle_packet({:interested, shards}, state) do
-    GenServer.cast(Shard.Manager, {:interested, state.his_pkey, self(), shards})
+    GenServer.cast(Shard.Manager, {:interested, state.his_pkey, shards})
   end
 
   defp handle_packet({shard, msg}, state) do
-    GenServer.cast(Shard.Manager, {:dispatch, state.his_pkey, self(), shard, msg})
+    Shard.Manager.dispatch(state.his_pkey, shard, msg)
   end
 
   defp print_id(state) do
-- 
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