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authorLukas Larsson <[email protected]>2011-03-09 13:29:48 +0100
committerLukas Larsson <[email protected]>2011-03-09 13:29:48 +0100
commitb6637f53cc885c336e3001617d742d79216c80e3 (patch)
treeec92e4ebe5c2774a671ba5eba8032ca179339951 /lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/http.erl
parent62e056af8c4fa058faa5087614c6b837a07f06e6 (diff)
parentdd14097487c33ac4d1ceed36b96070feb545219f (diff)
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Merge branch 'aronisstav/dialyzer/dialyzer_tests/OTP-9116' into dev
* aronisstav/dialyzer/dialyzer_tests/OTP-9116: Increase timetrap of options1 suite Write output_plt even when plt_check is ok Create plt with erts, kernel and stdlib only Update test results as they currently appear in dev Major restructure of dialyzer's testsuite Add 'apps' option to the erlang interface Update spec file to work with new common test structure Test suites for Dialyzer
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+%% ``The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved via the world wide web at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% The Initial Developer of the Original Code is Mobile Arts AB
+%% Portions created by Mobile Arts are Copyright 2002, Mobile Arts AB
+%% All Rights Reserved.''
+%%
+%%
+
+%%% This version of the HTTP/1.1 client implements:
+%%% - RFC 2616 HTTP 1.1 client part
+%%% - RFC 2817 Upgrading to TLS Within HTTP/1.1 (not yet!)
+%%% - RFC 2818 HTTP Over TLS
+%%% - RFC 3229 Delta encoding in HTTP (not yet!)
+%%% - RFC 3230 Instance Digests in HTTP (not yet!)
+%%% - RFC 3310 Authentication and Key Agreement (AKA) (not yet!)
+%%% - HTTP/1.1 Specification Errata found at
+%%% http://world.std.com/~lawrence/http_errata.html
+%%% Additionaly follows the following recommendations:
+%%% - RFC 3143 Known HTTP Proxy/Caching Problems (not yet!)
+%%% - draft-nottingham-hdrreg-http-00.txt (not yet!)
+%%%
+%%% Depends on
+%%% - uri.erl for all URL parsing (except what is handled by the C driver)
+%%% - http_lib.erl for all parsing of body and headers
+%%%
+%%% Supported Settings are:
+%%% http_timeout % (int) Milliseconds before a request times out
+%%% http_useproxy % (bool) True if a proxy should be used
+%%% http_proxy % (string) Proxy
+%%% http_noproxylist % (list) List with hosts not requiring proxy
+%%% http_autoredirect % (bool) True if automatic redirection on 30X responses
+%%% http_ssl % (list) SSL settings. A non-empty list enables SSL/TLS
+%%% support in the HTTP client
+%%% http_pipelinesize % (int) Length of pipeline. 1 means no pipeline.
+%%% Only has effect when initiating a new session.
+%%% http_sessions % (int) Max number of open sessions for {Addr,Port}
+%%%
+%%% TODO: (Known bugs!)
+%% - Cache handling
+%% - Doesn't handle a bunch of entity headers properly
+%% - Better handling of status codes different from 200,30X and 50X
+%% - Many of the settings above are not implemented!
+%% - close_session/2 and cancel_request/1 doesn't work
+%% - Variable pipe size.
+%% - Due to the fact that inet_drv only has a single timer, the timeouts given
+%% for pipelined requests are not ok (too long)
+%%
+%% Note:
+%% - Some servers (e.g. Microsoft-IIS/5.0) may sometimes not return a proper
+%% 'Location' header on a redirect.
+%% The client will fail with {error,no_scheme} in these cases.
+
+-module(http).
+-author("[email protected]").
+
+-export([start/0,
+ request/3,request/4,cancel_request/1,
+ request_sync/2,request_sync/3]).
+
+-include("http.hrl").
+-include("jnets_httpd.hrl").
+
+-define(START_OPTIONS,[]).
+
+%%% HTTP Client manager. Used to store open connections.
+%%% Will be started automatically unless started explicitly.
+start() ->
+ application:start(ssl),
+ httpc_manager:start().
+
+%%% Asynchronous HTTP request that spawns a handler.
+%%% Method HTTPReq
+%%% options,get,head,delete,trace = {Url,Headers}
+%%% post,put = {Url,Headers,ContentType,Body}
+%%% where Url is a {Scheme,Host,Port,PathQuery} tuple, as returned by uri.erl
+%%%
+%%% Returns: {ok,ReqId} |
+%%% {error,Reason}
+%%% If {ok,Pid} was returned, the handler will return with
+%%% gen_server:cast(From,{Ref,ReqId,{error,Reason}}) |
+%%% gen_server:cast(From,{Ref,ReqId,{Status,Headers,Body}})
+%%% where Reason is an atom and Headers a #res_headers{} record
+%%% http:format_error(Reason) gives a more informative description.
+%%%
+%%% Note:
+%%% - Always try to find an open connection to a given host and port, and use
+%%% the associated socket.
+%%% - Unless a 'Connection: close' header is provided don't close the socket
+%%% after a response is given
+%%% - A given Pid, found in the database, might be terminated before the
+%%% message is sent to the Pid. This will happen e.g., if the connection is
+%%% closed by the other party and there are no pending requests.
+%%% - The HTTP connection process is spawned, if necessary, in
+%%% httpc_manager:add_connection/4
+request(Ref,Method,HTTPReqCont) ->
+ request(Ref,Method,HTTPReqCont,[],self()).
+
+request(Ref,Method,HTTPReqCont,Settings) ->
+ request(Ref,Method,HTTPReqCont,Settings,self()).
+
+request(Ref,Method,{{Scheme,Host,Port,PathQuery},
+ Headers,ContentType,Body},Settings,From) ->
+ case create_settings(Settings,#client_settings{}) of
+ {error,Reason} ->
+ {error,Reason};
+ CS ->
+ case create_headers(Headers,#req_headers{}) of
+ {error,Reason} ->
+ {error,Reason};
+ H ->
+ Req=#request{ref=Ref,from=From,
+ scheme=Scheme,address={Host,Port},
+ pathquery=PathQuery,method=Method,
+ headers=H,content={ContentType,Body},
+ settings=CS},
+ httpc_manager:request(Req)
+ end
+ end;
+request(Ref,Method,{Url,Headers},Settings,From) ->
+ request(Ref,Method,{Url,Headers,[],[]},Settings,From).
+
+%%% Cancels requests identified with ReqId.
+%%% FIXME! Doesn't work...
+cancel_request(ReqId) ->
+ httpc_manager:cancel_request(ReqId).
+
+%%% Close all sessions currently open to Host:Port
+%%% FIXME! Doesn't work...
+close_session(Host,Port) ->
+ httpc_manager:close_session(Host,Port).
+
+
+%%% Synchronous HTTP request that waits until a response is created
+%%% (e.g. successfull reply or timeout)
+%%% Method HTTPReq
+%%% options,get,head,delete,trace = {Url,Headers}
+%%% post,put = {Url,Headers,ContentType,Body}
+%%% where Url is a string() or a {Scheme,Host,Port,PathQuery} tuple
+%%%
+%%% Returns: {Status,Headers,Body} |
+%%% {error,Reason}
+%%% where Reason is an atom.
+%%% http:format_error(Reason) gives a more informative description.
+request_sync(Method,HTTPReqCont) ->
+ request_sync(Method,HTTPReqCont,[]).
+
+request_sync(Method,{Url,Headers},Settings)
+ when Method==options;Method==get;Method==head;Method==delete;Method==trace ->
+ case uri:parse(Url) of
+ {error,Reason} ->
+ {error,Reason};
+ ParsedUrl ->
+ request_sync(Method,{ParsedUrl,Headers,[],[]},Settings,0)
+ end;
+request_sync(Method,{Url,Headers,ContentType,Body},Settings)
+ when Method==post;Method==put ->
+ case uri:parse(Url) of
+ {error,Reason} ->
+ {error,Reason};
+ ParsedUrl ->
+ request_sync(Method,{ParsedUrl,Headers,ContentType,Body},Settings,0)
+ end;
+request_sync(Method,Request,Settings) ->
+ {error,bad_request}.
+
+request_sync(Method,HTTPCont,Settings,_Redirects) ->
+ case request(request_sync,Method,HTTPCont,Settings,self()) of
+ {ok,_ReqId} ->
+ receive
+ {'$gen_cast',{request_sync,_ReqId2,{Status,Headers,Body}}} ->
+ {Status,pp_headers(Headers),binary_to_list(Body)};
+ {'$gen_cast',{request_sync,_ReqId2,{error,Reason}}} ->
+ {error,Reason};
+ Error ->
+ Error
+ end;
+ Error ->
+ Error
+ end.
+
+
+create_settings([],Out) ->
+ Out;
+create_settings([{http_timeout,Val}|Settings],Out) ->
+ create_settings(Settings,Out#client_settings{timeout=Val});
+create_settings([{http_useproxy,Val}|Settings],Out) ->
+ create_settings(Settings,Out#client_settings{useproxy=Val});
+create_settings([{http_proxy,Val}|Settings],Out) ->
+ create_settings(Settings,Out#client_settings{proxy=Val});
+create_settings([{http_noproxylist,Val}|Settings],Out) ->
+ create_settings(Settings,Out#client_settings{noproxylist=Val});
+create_settings([{http_autoredirect,Val}|Settings],Out) ->
+ create_settings(Settings,Out#client_settings{autoredirect=Val});
+create_settings([{http_ssl,Val}|Settings],Out) ->
+ create_settings(Settings,Out#client_settings{ssl=Val});
+create_settings([{http_pipelinesize,Val}|Settings],Out)
+ when integer(Val),Val>0 ->
+ create_settings(Settings,Out#client_settings{max_quelength=Val});
+create_settings([{http_sessions,Val}|Settings],Out)
+ when integer(Val),Val>0 ->
+ create_settings(Settings,Out#client_settings{max_sessions=Val});
+create_settings([{Key,_Val}|_Settings],_Out) ->
+ io:format("ERROR bad settings, got ~p~n",[Key]),
+ {error,bad_settings}.
+
+
+create_headers([],Req) ->
+ Req;
+create_headers([{Key,Val}|Rest],Req) ->
+ case httpd_util:to_lower(Key) of
+ "expect" ->
+ create_headers(Rest,Req#req_headers{expect=Val});
+ OtherKey ->
+ create_headers(Rest,
+ Req#req_headers{other=[{OtherKey,Val}|
+ Req#req_headers.other]})
+ end.
+
+
+pp_headers(#res_headers{connection=Connection,
+ transfer_encoding=Transfer_encoding,
+ retry_after=Retry_after,
+ content_length=Content_length,
+ content_type=Content_type,
+ location=Location,
+ other=Other}) ->
+ H1=case Connection of
+ undefined -> [];
+ _ -> [{'Connection',Connection}]
+ end,
+ H2=case Transfer_encoding of
+ undefined -> [];
+ _ -> [{'Transfer-Encoding',Transfer_encoding}]
+ end,
+ H3=case Retry_after of
+ undefined -> [];
+ _ -> [{'Retry-After',Retry_after}]
+ end,
+ H4=case Location of
+ undefined -> [];
+ _ -> [{'Location',Location}]
+ end,
+ HCL=case Content_length of
+ "0" -> [];
+ _ -> [{'Content-Length',Content_length}]
+ end,
+ HCT=case Content_type of
+ undefined -> [];
+ _ -> [{'Content-Type',Content_type}]
+ end,
+ H1++H2++H3++H4++HCL++HCT++Other.