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-rw-r--r--src/bootstrap_receiver.erl121
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diff --git a/src/bootstrap_receiver.erl b/src/bootstrap_receiver.erl
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--- a/src/bootstrap_receiver.erl
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-%%%-------------------------------------------------------------------
-%%% File: bootstrap_receiver.erl
-%%% @author Brad Anderson <brad@cloudant.com>
-%%% @copyright 2009 Brad Anderson
-%%% @doc
-%%%
-%%% @end
-%%%
-%%% @since 2009-09-22 by Brad Anderson
-%%%-------------------------------------------------------------------
--module(bootstrap_receiver).
--author('brad@cloudant.com').
-
--include("../include/config.hrl").
--include("../include/common.hrl").
-
-%% API
--export([start_link/6, loop/6, fetch_shard/5]).
-
-
-%%====================================================================
-%% API
-%%====================================================================
-%%--------------------------------------------------------------------
-%% @spec
-%% @doc
-%% @end
-%%--------------------------------------------------------------------
-start_link(FromNode, ToNode, Partition, DbName, Timeout, Manager) ->
- Pid = proc_lib:spawn_link(ToNode, bootstrap_receiver, loop,
- [FromNode, Partition, DbName, Timeout, Manager,
- self()]),
- sync_wait(Pid, Timeout).
-
-
-loop(FromNode, Partition, DbName, Timeout, Manager, Parent) ->
- proc_lib:init_ack(Parent, {ok, self()}),
- fetch_shard(FromNode, Partition, DbName, Timeout, Manager).
-
-
-%% @doc run at "ToNode" via spawn_link
-fetch_shard(FromNode, Partition, DbName, Timeout, Manager) ->
- Directory = couch_config:get("couchdb", "database_dir"),
- [_NodeName, Hostname] = string:tokens(atom_to_list(FromNode), "@"),
- SrcFile = binary_to_list(partitions:shard_name(Partition, DbName)),
- DestFile = showroom_utils:full_filename(Partition, DbName, Directory),
- Authn = fetch_authn(),
- Port = fetch_port(),
- Url = lists:concat(["http://", Authn, Hostname, Port, "/", SrcFile,
- ".couch"]),
- Options = [{save_response_to_file, DestFile},
- {inactivity_timeout, Timeout}],
- case filelib:ensure_dir(DestFile) of
- ok -> ok;
- {error, eexist} -> ok; % duh!
- Other -> throw(Other)
- end,
- ?LOG_DEBUG("~n"
- "Directory: ~p~n"
- "Hostname : ~p~n"
- "SrcFile : ~p~n"
- "DestFile : ~p~n"
- "Url : ~p~n"
- "Options : ~p~n"
- , [Directory, Hostname, SrcFile, DestFile, Url, Options]),
- case ibrowse:send_req(Url, [], get, [], Options, infinity) of
- {ok, "200", _Headers, Body} ->
- ?LOG_DEBUG("~nBootstrap ibrowse req Body: ~p~n", [Body]),
- Manager ! {receiver_done, FromNode, node(), Partition, DbName,
- self()};
- Error ->
- ?LOG_ERROR("~nBootstrap ibrowse req Error: ~p~n", [Error]),
- throw(Error)
- end.
-
-
-%%====================================================================
-%% Internal functions
-%%====================================================================
-
-
-%% from proc_lib.erl in otp r13b01
-sync_wait(Pid, Timeout) ->
- receive
- {ack, Pid, Return} ->
- Return;
- {'EXIT', Pid, Reason} ->
- {error, Reason}
- after Timeout ->
- unlink(Pid),
- exit(Pid, kill),
- flush(Pid),
- {error, timeout}
- end.
-
-
-flush(Pid) ->
- receive
- {'EXIT', Pid, _} ->
- true
- after 0 ->
- true
- end.
-
-
-fetch_authn() ->
- User = couch_config:get("shard_moving", "user", ""),
- Pass = couch_config:get("shard_moving", "pass", ""),
- if
- length(User) > 0 andalso length(Pass) > 0 ->
- lists:concat([User, ":", Pass, "@"]);
- true -> ""
- end.
-
-
-fetch_port() ->
- Port = couch_config:get("shard_moving", "port", "8080"),
- if
- Port =:= "80" -> "";
- true -> lists:concat([":", Port])
- end.