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author | Alexander Sulfrian <alexander@sulfrian.net> | 2010-10-13 23:15:11 +0200 |
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committer | Alexander Sulfrian <alexander@sulfrian.net> | 2010-10-13 23:15:11 +0200 |
commit | 398ee976066c88df5d7cd38086c021faa479614d (patch) | |
tree | bfb967b68b0730ce800fbc15544e602913790f19 /server | |
parent | a6784d57c203b61b09b4a6d5d8895a666d89327f (diff) | |
download | erlang-398ee976066c88df5d7cd38086c021faa479614d.tar.gz erlang-398ee976066c88df5d7cd38086c021faa479614d.tar.xz erlang-398ee976066c88df5d7cd38086c021faa479614d.zip |
moved server to common (used from server and client)
Diffstat (limited to 'server')
-rw-r--r-- | server/server.erl | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/server/server.erl b/server/server.erl deleted file mode 100644 index 42b1822..0000000 --- a/server/server.erl +++ /dev/null @@ -1,45 +0,0 @@ -%% --- -%% Excerpted from "Programming Erlang", -%% published by The Pragmatic Bookshelf. -%% Copyrights apply to this code. It may not be used to create training material, -%% courses, books, articles, and the like. Contact us if you are in doubt. -%% We make no guarantees that this code is fit for any purpose. -%% Visit http://www.pragmaticprogrammer.com/titles/jaerlang for more book information. -%%--- --module(server). --export([start/2, rpc/2, swap_code/2]). - -start(Name, Mod) -> - register(Name, spawn(fun() -> loop(Name,Mod,Mod:init()) end)). - -swap_code(Name, Mod) -> rpc(Name, {swap_code, Mod}). - -rpc(Name, Request) -> - Name ! {self(), Request}, - receive - {Name, crash} -> exit(rpc); - {Name, ok, Response} -> Response - end. - -loop(Name, Mod, OldState) -> - receive - {From, {swap_code, NewCallbackMod}} -> - From ! {Name, ok, ack}, - loop(Name, NewCallbackMod, OldState); - {From, Request} -> - try Mod:handle(From, Request, OldState) of - {Response, NewState} -> - From ! {Name, ok, Response}, - loop(Name, Mod, NewState) - catch - _: Why -> - log_the_error(Name, Request, Why), - From ! {Name, crash}, - loop(Name, Mod, OldState) - end - end. - -log_the_error(Name, Request, Why) -> - io:format("Server ~p request ~p ~n" - "caused exception ~p~n", - [Name, Request, Why]). |