(* $Id: nethttpd_util.ml 2195 2015-01-01 12:23:39Z gerd $ *)
open Nethttpd_types
open Printf
let std_error_response p =
let b = Buffer.create 500 in
bprintf b "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \
\"http://www.w3.org/TR/REC-html40/strict.dtd\">\n";
bprintf b
"<html xmlns=\"http://www.w3.org/1999/xhtml\" \
xml:lang=\"en\" lang=\"en\">\010\
<head>\010\
<meta name=\"generator\" \
content=\"OCamlNet \
(http://projects.camlcity.org/projects/ocamlnet)\">\010\
<style>\010\
p.msg { color: black; background-color: #cccccc; padding: 1ex; }\010\
h2 { font-size: large; }\010\
</style>\010\
</head>\010\
<body>\n";
let code = p # response_status_code in
let text =
try Nethttp.string_of_http_status(Nethttp.http_status_of_int code)
with Not_found -> "Non-standard code" in
bprintf b "<h1>Error %i - %s</h1>\n" code text;
bprintf b "The server could not process your request.\n";
bprintf b "For additional information consult the error log of the\n";
bprintf b "server.\n";
bprintf b "<hr>\n";
bprintf b "%s - Ocamlnet Nethttpd server\n"
(Netdate.format "%c"
(Netdate.create ~zone:Netdate.localzone
(Unix.time())));
bprintf b "</body>\n";
bprintf b "</html>\n";
Buffer.contents b
let std_error_log_string p msg =
let peeraddr_opt =
try Some(p # remote_socket_addr) with Not_found -> None in
Printf.sprintf "[%s] [%s] %s"
( match peeraddr_opt with
| Some addr ->
Netsys.string_of_sockaddr ~norm:true addr
| None ->
"-"
)
( try
let m = p # request_method in
let u = p # request_uri in
m ^ " " ^ u
with Not_found ->
"-"
)
msg
let std_access_log_string p =
let code =
p # response_status_code in
let peerstr =
try Netsys.string_of_sockaddr ~norm:true p#remote_socket_addr
with Not_found -> "-" in
let meth =
try p#request_method
with Not_found -> "-" in
let uri =
try p#request_uri
with Not_found -> "-" in
let user =
try List.assoc "REMOTE_USER" p#cgi_properties
with Not_found -> "-" in
let respsize =
p#output_body_size in
let referrer =
try p#input_header#field "Referer"
with Not_found -> "-" in
let user_agent =
try p#input_header#field "User-agent"
with Not_found -> "-" in
Printf.sprintf "%s %s %s \"%s\" %d %Ld \"%s\" \"%s\""
peerstr
user
meth
(String.escaped uri)
code
respsize
(String.escaped referrer)
(String.escaped user_agent)
let std_debug_access_log_string p =
let b = Buffer.create 500 in
let b_ch = new Netchannels.output_buffer b in
Printf.bprintf b "%s\n" (std_access_log_string p);
Printf.bprintf b "Request header:\n";
( try
Netmime_string.write_header ~soft_eol:"\n" ~eol:"\n" b_ch p#input_header#fields
with Not_found ->
Printf.bprintf b "(missing)\n";
);
( try
Printf.bprintf b "Request body size: %Ld\n" p#input_body_size
with Not_found ->
Printf.bprintf b "Request body size: (missing)\n"
);
Printf.bprintf b "Request body rejected: %b\n\n" p#request_body_rejected;
Printf.bprintf b "CGI properties:\n";
( try
Netmime_string.write_header ~soft_eol:"\n" ~eol:"\n" b_ch p#cgi_properties
with Not_found ->
Printf.bprintf b "(missing)\n";
);
Printf.bprintf b "Response header (code %d):\n" p#response_status_code;
Netmime_string.write_header ~soft_eol:"\n" ~eol:"\n" b_ch p#output_header#fields;
Printf.bprintf b "Response body size: %Ld\n" p#output_body_size;
Buffer.contents b
