Http_common.debug := true;;
(* Http_common.debug := true;; *)
- (** accepted HTTP servers for ask_uwobo method forwarding *)
-let valid_servers =
- [ "mowgli.cs.unibo.it:58080" ; "mowgli.cs.unibo.it" ; "localhost:58080" ];;
-
-let mqi_flags = [] (* default MathQL interpreter options *)
-
open Printf;;
let daemon_name = "Search Engine";;
-let default_port = 58085;;
-let port_env_var = "SEARCH_ENGINE_PORT";;
-let pages_dir =
- try
- Sys.getenv "SEARCH_ENGINE_HTML_DIR"
- with Not_found -> "html" (* relative to searchEngine's document root *)
+ (* First of all we load the configuration *)
+let _ =
+ let configuration_file = "searchEngine.conf.xml" in
+ Helm_registry.load_from configuration_file
;;
+
+let port = Helm_registry.get_int "search_engine.port";;
+
+let pages_dir = Helm_registry.get "search_engine.html_dir";;
+
+ (** accepted HTTP servers for ask_uwobo method forwarding *)
+let valid_servers= Helm_registry.get_string_list "search_engine.valid_servers";;
+
let interactive_user_uri_choice_TPL = pages_dir ^ "/templateambigpdq1.html";;
let interactive_interpretation_choice_TPL =
pages_dir ^ "/templateambigpdq2.html";;
let constraints_choice_TPL = pages_dir ^ "/constraints_choice_template.html";;
-let final_results_TPL = pages_dir ^ "/templateambigpdq3.html";;
+(* let final_results_TPL = pages_dir ^ "/templateambigpdq3.html";; *)
+let final_results_TPL = pages_dir ^ "/moogle.html";;
+
+let my_own_url =
+ let ic = Unix.open_process_in "hostname -f" in
+ let hostname = input_line ic in
+ ignore (Unix.close_process_in ic);
+ sprintf "http://%s:%d" hostname port
+;;
exception Chat_unfinished
+exception Invalid_action of string (* invalid action for "/search" method *)
+
+let javascript_quote s =
+ let rex = Pcre.regexp "'" in
+ let rex' = Pcre.regexp "\"" in
+ Pcre.replace ~rex ~templ:"\\'"
+ (Pcre.replace ~rex:rex' ~templ:"\\\"" s)
+;;
(* build a bool from a 1-character-string *)
let bool_of_string' = function
let (title_tag_RE, choices_tag_RE, msg_tag_RE, id_to_uris_RE, id_RE,
interpretations_RE, interpretations_labels_RE, results_RE, new_aliases_RE,
- form_RE, variables_initialization_RE)
+ form_RE, variables_initialization_RE, search_engine_url_RE)
=
(Pcre.regexp "@TITLE@", Pcre.regexp "@CHOICES@", Pcre.regexp "@MSG@",
Pcre.regexp "@ID_TO_URIS@", Pcre.regexp "@ID@",
Pcre.regexp "@INTERPRETATIONS@", Pcre.regexp "@INTERPRETATIONS_LABELS@",
Pcre.regexp "@RESULTS@", Pcre.regexp "@NEW_ALIASES@", Pcre.regexp "@FORM@",
- Pcre.regexp "@VARIABLES_INITIALIZATION@")
+ Pcre.regexp "@VARIABLES_INITIALIZATION@", Pcre.regexp "@SEARCH_ENGINE_URL@")
let server_and_port_url_RE = Pcre.regexp "^http://([^/]+)/.*$"
-let port =
- try
- int_of_string (Sys.getenv port_env_var)
- with
- | Not_found -> default_port
- | Failure "int_of_string" ->
- prerr_endline "Warning: invalid port, reverting to default";
- default_port
-;;
-
let pp_error = sprintf "<html><body><h1>Error: %s</h1></body></html>";;
let bad_request body outchan =
| _ -> failwith ("Can't parse constraint string: " ^ constraints)
in
+let send_results results
+ ?(id_to_uris = DisambiguatingParser.EnvironmentP3.of_string "") req outchan
+ =
+ Http_daemon.send_basic_headers ~code:200 outchan ;
+ Http_daemon.send_header "Content-Type" "text/xml" outchan;
+ Http_daemon.send_CRLF outchan ;
+ let subst =
+ (search_engine_url_RE, my_own_url) ::
+ (results_RE, theory_of_result results)::
+ (List.map
+ (function (key,value) ->
+ let key' = (Pcre.extract ~pat:"param\\.(.*)" key).(1) in
+ Pcre.regexp ("@" ^ key' ^ "@"), value)
+ (List.filter
+ (fun (key,_) as p-> Pcre.pmatch ~pat:"^param\\." key)
+ req#params))
+ in
+ iter_file
+ (fun line ->
+ let new_aliases =
+ DisambiguatingParser.EnvironmentP3.to_string id_to_uris
+ in
+ let processed_line =
+ apply_substs
+ (* CSC: Bug here: this is a string, not an array! *)
+ ((new_aliases_RE, "'" ^ javascript_quote new_aliases ^ "'")::subst)
+ line
+ in
+ output_string outchan (processed_line ^ "\n"))
+ final_results_TPL
+in
+
(* HTTP DAEMON CALLBACK *)
-let callback (req: Http_types.request) outchan =
+let build_dynamic_uri url params =
+ let p =
+ String.concat "&" (List.map (fun (key,value) -> (key ^ "=" ^ (Netencoding.Url.encode value))) params) in
+ url ^ "?" ^ p
+in
+
+let build_uwobo_request (req: Http_types.request) outchan =
+ prerr_endline ("ECCOLO: " ^ req#param "param.SEARCH_ENGINE_URL");
+ let xmluri = build_dynamic_uri ((req#param "param.SEARCH_ENGINE_URL") ^ "/search") req#params in
+ prerr_endline ("xmluri: " ^ xmluri);
+ (*let xmluri = Netencoding.Url.encode xmluri in*)
+ let server_and_port = req#param "param.processorURL" in
+ let newreq =
+ build_dynamic_uri
+ (server_and_port ^ "apply")
+ (("xmluri",xmluri)::("keys",(req#param "param.thkeys"))::req#params) in
+ (* if List.mem server_and_port valid_servers then *)
+ prerr_endline newreq;
+ if true then
+ Http_daemon.respond
+ ~headers:["Content-Type", "text/html"]
+ ~body:(Http_client.http_get newreq)
+ outchan
+ else
+ Http_daemon.respond
+ ~body:(pp_error ("Untrusted UWOBO server: " ^ server_and_port ^
+ (String.concat "\n" valid_servers)))
+ outchan
+in
+
+let proxy url outchan =
+ let server_and_port =
+ (Pcre.extract ~rex:server_and_port_url_RE url).(1)
+ in
+ if List.mem server_and_port valid_servers then
+ Http_daemon.respond
+ ~headers:["Content-Type", "text/html"]
+ ~body:(Http_client.http_get url)
+ outchan
+ else
+ Http_daemon.respond
+ ~body:(pp_error ("Untrusted UWOBO server: " ^ server_and_port))
+ outchan
+in
+
+let callback mqi_handle (req: Http_types.request) outchan =
try
debug_print (sprintf "Received request: %s" req#path);
(match req#path with
+ | "/help" -> Http_daemon.respond ~body:"HELM Search Engine" outchan
+ | "/search" ->
+ let initial_expression =
+ try req#param "expression" with Http_types.Param_not_found _ -> ""
+ in
+ let expression =
+ Pcre.replace ~pat:"\\s*$"
+ (Pcre.replace ~pat:"^\\s*" initial_expression)
+ in
+ if expression = "" then
+ send_results [] req outchan
+ else
+ (try
+ let results =
+ match req#param "action" with
+ | "locate" ->
+ prerr_endline ("EXPRESSION : " ^ expression);
+ let query = G.locate expression in
+ MQueryInterpreter.execute mqi_handle query
+ | "hint" -> failwith "NOT IMPLEMENTED" (* TODO *)
+ | "match" -> failwith "NOT IMPLEMENTED" (* TODO *)
+ | "elim" -> failwith "NOT IMPLEMENTED" (* TODO *)
+ | action -> raise (Invalid_action action)
+ in
+ send_results results req outchan
+ with Invalid_action action ->
+ Http_daemon.respond_error ~status:(`Client_error `Bad_request)
+ ~body:("Invalid action " ^ action) outchan)
| "/execute" ->
- let mqi_handle = C.init mqi_flags debug_print in
let query_string = req#param "query" in
let lexbuf = Lexing.from_string query_string in
let query = MQueryUtil.query_of_text lexbuf in
let result = MQueryInterpreter.execute mqi_handle query in
let result_string = pp_result result in
- C.close mqi_handle;
Http_daemon.respond ~body:result_string ~headers:[contype] outchan
- | "/locate" ->
- let mqi_handle = C.init mqi_flags debug_print in
- let id = req#param "id" in
- let query = G.locate id in
- let result = MQueryInterpreter.execute mqi_handle query in
- C.close mqi_handle;
- Http_daemon.respond ~headers:[contype] ~body:(pp_result result) outchan
+(* Http_daemon.respond ~headers:[contype] ~body:(pp_result result) outchan *)
| "/unreferred" ->
- let mqi_handle = C.init mqi_flags debug_print in
let target = req#param "target" in
let source = req#param "source" in
- let query = G.unreferred target source in
- let result = MQueryInterpreter.execute mqi_handle query in
- C.close mqi_handle;
+ let query = G.unreferred target source in
+ let result = MQueryInterpreter.execute mqi_handle query in
Http_daemon.respond ~headers:[contype] ~body:(pp_result result) outchan
| "/getpage" ->
(* TODO implement "is_permitted" *)
(fun line ->
output_string outchan
((apply_substs
+ ((search_engine_url_RE, my_own_url) ::
(List.map
(function (key,value) ->
let key' =
(List.filter
(fun (key,_) as p-> Pcre.pmatch ~pat:"^param\\." key)
req#params)
- )
+ ))
line) ^
"\n"))
fname
end else
Http_daemon.send_file ~src:(FileSrc fname) outchan)
| page -> Http_daemon.respond_forbidden ~url:page outchan))
- | "/ask_uwobo" ->
- let url = req#param "url" in
- let server_and_port =
- (Pcre.extract ~rex:server_and_port_url_RE url).(1)
- in
- if List.mem server_and_port valid_servers then
- Http_daemon.respond
- ~headers:["Content-Type", "text/html"]
- ~body:(Http_client.Convenience.http_get url)
- outchan
- else
- Http_daemon.respond
- ~body:(pp_error ("Untrusted UWOBO server: " ^ server_and_port))
- outchan
+ (* OLD | "/ask_uwobo" -> proxy (req#param "url") outchan *)
+ | "/ask_uwobo" -> build_uwobo_request req outchan
| "/searchPattern"
| "/matchConclusion"
| "/locateInductivePrinciple" ->
- let mqi_handle = C.init mqi_flags debug_print in
let term_string = req#param "term" in
- let lexbuf = Lexing.from_string term_string in
let (context, metasenv) = ([], []) in
- let (dom, mk_metasenv_and_expr) =
- CicTextualParserContext.main
- ~context ~metasenv CicTextualLexer.token lexbuf
- in
let id_to_uris_raw = req#param "aliases" in
- let tokens = Pcre.split ~pat:"\\s" id_to_uris_raw in
- let rec parse_tokens keys lookup = function (* TODO spostarla fuori *)
- | [] -> keys, lookup
- | "alias" :: key :: value :: rest ->
- let key' = CicTextualParser0.Id key in
- parse_tokens
- (key'::keys)
- (fun id ->
- if id = key' then
- Some
- (CicTextualParser0.Uri (MQueryMisc.cic_textual_parser_uri_of_string value))
- else lookup id)
- rest
- | _ -> failwith "Can't parse aliases"
- in
+ let parse_interpretation_choices choices =
+ List.map int_of_string (Pcre.split ~pat:" " choices) in
let parse_choices choices_raw =
let choices = Pcre.split ~pat:";" choices_raw in
List.fold_left
| ""::id::tail
| id::tail when id<>"" ->
(fun id' ->
-prerr_endline ("#### " ^ id ^ " :=");
-List.iter (fun u -> prerr_endline ("<" ^ Netencoding.Url.decode u ^ ">")) tail;
if id = id' then
Some (List.map (fun u -> Netencoding.Url.decode u) tail)
else
(fun _ -> None)
choices
in
- let (id_to_uris : Disambiguate.domain_and_interpretation) =
- parse_tokens [] (fun _ -> None) tokens in
+ let id_to_uris =
+ DisambiguatingParser.EnvironmentP3.of_string id_to_uris_raw in
let id_to_choices =
try
let choices_raw = req#param "choices" in
parse_choices choices_raw
with Http_types.Param_not_found _ -> (fun _ -> None)
in
- let module Chat: Disambiguate.Callbacks =
+ let interpretation_choices =
+ try
+ let choices_raw = req#param "interpretation_choices" in
+ Some (parse_interpretation_choices choices_raw)
+ with Http_types.Param_not_found _ -> None
+ in
+ let module Chat: DisambiguateTypes.Callbacks =
struct
- let get_metasenv () =
- !CicTextualParser0.metasenv
-
- let set_metasenv metasenv =
- CicTextualParser0.metasenv := metasenv
-
- let output_html = prerr_endline
-
let interactive_user_uri_choice
~selection_mode ?ok
?enable_button_for_non_vars ~(title: string) ~(msg: string)
raise Chat_unfinished))
let interactive_interpretation_choice interpretations =
- let html_interpretations_labels =
- String.concat ", "
- (List.map
- (fun l ->
- "\'" ^
- (String.concat "<br />"
- (List.map
- (fun (id, value) ->
- (sprintf "alias %s %s" id value))
- l)) ^
- "\'")
- interpretations)
- in
- let html_interpretations =
- String.concat ", "
- (List.map
- (fun l ->
- "\'" ^
- (String.concat " "
- (List.map
- (fun (id, value) ->
- (sprintf "alias %s %s"
- id
- (MQueryMisc.wrong_xpointer_format_from_wrong_xpointer_format'
- value)))
- l)) ^
- "\'")
+ match interpretation_choices with
+ Some l -> prerr_endline "CARRAMBA" ; l
+ | None ->
+ let html_interpretations_labels =
+ String.concat ", "
+ (List.map
+ (fun l ->
+ "\'" ^
+ (String.concat "<br />"
+ (List.map
+ (fun (id, value) ->
+ let id = javascript_quote id in
+ let value = javascript_quote value in
+ sprintf "%s = %s" id value)
+ l)) ^
+ "\'")
interpretations)
- in
- Http_daemon.send_basic_headers ~code:200 outchan ;
- Http_daemon.send_CRLF outchan ;
- iter_file
- (fun line ->
- let processed_line =
- apply_substs
- [interpretations_RE, html_interpretations;
- interpretations_labels_RE, html_interpretations_labels]
- line
- in
- output_string outchan (processed_line ^ "\n"))
- interactive_interpretation_choice_TPL;
- raise Chat_unfinished
-
- let input_or_locate_uri ~title =
- UriManager.uri_of_string "cic:/Coq/Init/DataTypes/nat_ind.con"
-
- end
- in
- let module Disambiguate' = Disambiguate.Make (Chat) in
- let (id_to_uris', metasenv', term') =
- Disambiguate'.disambiguate_input mqi_handle
- context metasenv dom mk_metasenv_and_expr id_to_uris
- in
- (match metasenv' with
- | [] ->
- let universe,
- ((must_obj, must_rel, must_sort) as must'),
- ((only_obj, only_rel, only_sort) as only) =
- get_constraints term' req#path
- in
- let must'', only' =
- (try
- add_user_constraints
- ~constraints:(req#param "constraints")
- (must', only)
- with Http_types.Param_not_found _ ->
- let variables =
- "var aliases = '" ^ id_to_uris_raw ^ "';\n" ^
- "var constr_obj_len = " ^
- string_of_int (List.length must_obj) ^ ";\n" ^
- "var constr_rel_len = " ^
- string_of_int (List.length must_rel) ^ ";\n" ^
- "var constr_sort_len = " ^
- string_of_int (List.length must_sort) ^ ";\n" in
- let form =
- (if must_obj = [] then "" else
- "<h4>Obj constraints</h4>" ^
- "<table>" ^
- (String.concat "\n" (List.map html_of_r_obj must_obj)) ^
- "</table>" ^
- (* The following three lines to make Javascript create *)
- (* the constr_obj[] and obj_depth[] arrays even if we *)
- (* have only one real entry. *)
- "<input type=\"hidden\" name=\"constr_obj\" />" ^
- "<input type=\"hidden\" name=\"obj_depth\" />") ^
- (if must_rel = [] then "" else
- "<h4>Rel constraints</h4>" ^
- "<table>" ^
- (String.concat "\n" (List.map html_of_r_rel must_rel)) ^
- "</table>" ^
- (* The following two lines to make Javascript create *)
- (* the constr_rel[] and rel_depth[] arrays even if *)
- (* we have only one real entry. *)
- "<input type=\"hidden\" name=\"constr_rel\" />" ^
- "<input type=\"hidden\" name=\"rel_depth\" />") ^
- (if must_sort = [] then "" else
- "<h4>Sort constraints</h4>" ^
- "<table>" ^
- (String.concat "\n" (List.map html_of_r_sort must_sort)) ^
- "</table>" ^
- (* The following two lines to make Javascript create *)
- (* the constr_sort[] and sort_depth[] arrays even if *)
- (* we have only one real entry. *)
- "<input type=\"hidden\" name=\"constr_sort\" />" ^
- "<input type=\"hidden\" name=\"sort_depth\" />") ^
- "<h4>Only constraints</h4>" ^
- "Enforce Only constraints for objects: " ^
- "<input type='checkbox' name='only_obj'" ^
- (if only_obj = None then "" else " checked='yes'") ^ " /><br />" ^
- "Enforce Rel constraints for objects: " ^
- "<input type='checkbox' name='only_rel'" ^
- (if only_rel = None then "" else " checked='yes'") ^ " /><br />" ^
- "Enforce Sort constraints for objects: " ^
- "<input type='checkbox' name='only_sort'" ^
- (if only_sort = None then "" else " checked='yes'") ^ " /><br />"
+ in
+ let html_interpretations =
+ let rec aux n =
+ function
+ [] -> []
+ | _::tl -> ("'" ^ string_of_int n ^ "'")::(aux (n+1) tl)
+ in
+ String.concat ", " (aux 0 interpretations)
in
Http_daemon.send_basic_headers ~code:200 outchan ;
Http_daemon.send_CRLF outchan ;
(fun line ->
let processed_line =
apply_substs
- [form_RE, form ;
- variables_initialization_RE, variables] line
+ [interpretations_RE, html_interpretations;
+ interpretations_labels_RE, html_interpretations_labels]
+ line
in
output_string outchan (processed_line ^ "\n"))
- constraints_choice_TPL;
- raise Chat_unfinished)
- in
- let query =
- G.query_of_constraints universe must'' only'
- in
- let results = MQueryInterpreter.execute mqi_handle query in
- Http_daemon.send_basic_headers ~code:200 outchan ;
- Http_daemon.send_CRLF outchan ;
- iter_file
- (fun line ->
- let new_aliases =
- match id_to_uris' with
- | (domain, f) ->
- String.concat ", "
- (List.map
- (fun name ->
- sprintf "\'alias %s cic:%s\'"
- (match name with
- CicTextualParser0.Id name -> name
- | _ -> assert false (*CSC: completare *))
- (match f name with
- | None -> assert false
- | Some (CicTextualParser0.Uri t) ->
- MQueryMisc.string_of_cic_textual_parser_uri
- t
- | _ -> assert false (*CSC: completare *)))
- domain)
- in
- let processed_line =
- apply_substs
- [results_RE, theory_of_result results ;
- new_aliases_RE, new_aliases]
- line
- in
- output_string outchan (processed_line ^ "\n"))
- final_results_TPL
- | _ -> (* unable to instantiate some implicit variable *)
- Http_daemon.respond
- ~headers:[contype]
- ~body:"some implicit variables are still unistantiated :-("
- outchan);
- C.close mqi_handle
+ interactive_interpretation_choice_TPL;
+ raise Chat_unfinished
+
+ let input_or_locate_uri ~title ?id () =
+ assert false
+
+ end
+ in
+ let module Disambiguate' = DisambiguatingParser.Make(Chat) in
+ let (id_to_uris', metasenv', term') =
+ match
+ Disambiguate'.disambiguate_term mqi_handle
+ context metasenv term_string id_to_uris
+ with
+ [id_to_uris',metasenv',term'] -> id_to_uris',metasenv',term'
+ | _ -> assert false
+ in
+ let universe,
+ ((must_obj, must_rel, must_sort) as must'),
+ ((only_obj, only_rel, only_sort) as only) =
+ get_constraints term' req#path
+ in
+ let must'', only' =
+ (try
+ add_user_constraints
+ ~constraints:(req#param "constraints")
+ (must', only)
+ with Http_types.Param_not_found _ ->
+ let variables =
+ "var aliases = '" ^ id_to_uris_raw ^ "';\n" ^
+ "var constr_obj_len = " ^
+ string_of_int (List.length must_obj) ^ ";\n" ^
+ "var constr_rel_len = " ^
+ string_of_int (List.length must_rel) ^ ";\n" ^
+ "var constr_sort_len = " ^
+ string_of_int (List.length must_sort) ^ ";\n" in
+ let form =
+ (if must_obj = [] then "" else
+ "<h4>Obj constraints</h4>" ^
+ "<table>" ^
+ (String.concat "\n" (List.map html_of_r_obj must_obj)) ^
+ "</table>" ^
+ (* The following three lines to make Javascript create *)
+ (* the constr_obj[] and obj_depth[] arrays even if we *)
+ (* have only one real entry. *)
+ "<input type=\"hidden\" name=\"constr_obj\" />" ^
+ "<input type=\"hidden\" name=\"obj_depth\" />") ^
+ (if must_rel = [] then "" else
+ "<h4>Rel constraints</h4>" ^
+ "<table>" ^
+ (String.concat "\n" (List.map html_of_r_rel must_rel)) ^
+ "</table>" ^
+ (* The following two lines to make Javascript create *)
+ (* the constr_rel[] and rel_depth[] arrays even if *)
+ (* we have only one real entry. *)
+ "<input type=\"hidden\" name=\"constr_rel\" />" ^
+ "<input type=\"hidden\" name=\"rel_depth\" />") ^
+ (if must_sort = [] then "" else
+ "<h4>Sort constraints</h4>" ^
+ "<table>" ^
+ (String.concat "\n" (List.map html_of_r_sort must_sort)) ^
+ "</table>" ^
+ (* The following two lines to make Javascript create *)
+ (* the constr_sort[] and sort_depth[] arrays even if *)
+ (* we have only one real entry. *)
+ "<input type=\"hidden\" name=\"constr_sort\" />" ^
+ "<input type=\"hidden\" name=\"sort_depth\" />") ^
+ "<h4>Only constraints</h4>" ^
+ "Enforce Only constraints for objects: " ^
+ "<input type='checkbox' name='only_obj'" ^
+ (if only_obj = None then "" else " checked='yes'") ^ " /><br />" ^
+ "Enforce Rel constraints for objects: " ^
+ "<input type='checkbox' name='only_rel'" ^
+ (if only_rel = None then "" else " checked='yes'") ^ " /><br />" ^
+ "Enforce Sort constraints for objects: " ^
+ "<input type='checkbox' name='only_sort'" ^
+ (if only_sort = None then "" else " checked='yes'") ^ " /><br />"
+ in
+ Http_daemon.send_basic_headers ~code:200 outchan ;
+ Http_daemon.send_CRLF outchan ;
+ iter_file
+ (fun line ->
+ let processed_line =
+ apply_substs
+ [form_RE, form ;
+ variables_initialization_RE, variables] line
+ in
+ output_string outchan (processed_line ^ "\n"))
+ constraints_choice_TPL;
+ raise Chat_unfinished)
+ in
+ let query =
+ G.query_of_constraints universe must'' only'
+ in
+ let results = MQueryInterpreter.execute mqi_handle query in
+ send_results results ~id_to_uris:id_to_uris' req outchan
| invalid_request ->
Http_daemon.respond_error ~status:(`Client_error `Bad_request) outchan);
debug_print (sprintf "%s done!" req#path)
| Http_types.Param_not_found attr_name ->
bad_request (sprintf "Parameter '%s' is missing" attr_name) outchan
| exc ->
- Http_daemon.respond
- ~body:(pp_error ("Uncaught exception: " ^ (Printexc.to_string exc)))
- outchan
+ let msg = sprintf "Uncaught exception: %s" (Printexc.to_string exc) in
+ debug_print msg ;
+ Http_daemon.respond ~body:(pp_error msg) outchan
in
printf "%s started and listening on port %d\n" daemon_name port;
printf "Current directory is %s\n" (Sys.getcwd ());
printf "HTML directory is %s\n" pages_dir;
flush stdout;
Unix.putenv "http_proxy" "";
-Http_daemon.start' ~port callback;
+let mqi_handle = C.init ~log:debug_print () in
+Http_daemon.start' ~port (callback mqi_handle);
+C.close mqi_handle;
printf "%s is terminating, bye!\n" daemon_name
-