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echo examples: add alice endpoint; use eio_posix

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Simon Cruanes 2023-06-23 17:54:43 -04:00
parent 6c8c24ea40
commit e1f0c58065
3 changed files with 70 additions and 2 deletions
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2
examples/dune
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@ -19,7 +19,7 @@
(flags :standard -warn-error -a+8)
(modules echo_eio)
(libraries tiny_httpd tiny_httpd_camlzip
tiny_httpd_eio eio eio_main))
tiny_httpd_eio eio eio_posix))
(rule
(targets test_output.txt)

34
examples/echo.ml
View file

@ -2,6 +2,36 @@ module S = Tiny_httpd
let now_ = Unix.gettimeofday
let alice_text =
"CHAPTER I. Down the Rabbit-Hole Alice was beginning to get very tired of \
sitting by her sister on the bank, and of having nothing to do: once or \
twice she had peeped into the book her sister was reading, but it had no \
pictures or conversations in it, <and what is the use of a book,> thought \
Alice <without pictures or conversations?> So she was considering in her \
own mind (as well as she could, for the hot day made her feel very sleepy \
and stupid), whether the pleasure of making a daisy-chain would be worth \
the trouble of getting up and picking the daisies, when suddenly a White \
Rabbit with pink eyes ran close by her. There was nothing so very \
remarkable in that; nor did Alice think it so very much out of the way to \
hear the Rabbit say to itself, <Oh dear! Oh dear! I shall be late!> (when \
she thought it over afterwards, it occurred to her that she ought to have \
wondered at this, but at the time it all seemed quite natural); but when \
the Rabbit actually took a watch out of its waistcoat-pocket, and looked at \
it, and then hurried on, Alice started to her feet, for it flashed across \
her mind that she had never before seen a rabbit with either a \
waistcoat-pocket, or a watch to take out of it, and burning with curiosity, \
she ran across the field after it, and fortunately was just in time to see \
it pop down a large rabbit-hole under the hedge. In another moment down \
went Alice after it, never once considering how in the world she was to get \
out again. The rabbit-hole went straight on like a tunnel for some way, and \
then dipped suddenly down, so suddenly that Alice had not a moment to think \
about stopping herself before she found herself falling down a very deep \
well. Either the well was very deep, or she fell very slowly, for she had \
plenty of time as she went down to look about her and to wonder what was \
going to happen next. First, she tried to look down and make out what she \
was coming to, but it was too dark to see anything; then she looked at the \
sides of the well, and noticed that they were filled with cupboards......"
(* util: a little middleware collecting statistics *)
let middleware_stat () : S.Middleware.t * (unit -> string) =
let n_req = ref 0 in
@ -152,6 +182,10 @@ let () =
let stats = get_stats () in
S.Response.make_string @@ Ok stats);
S.add_route_handler server
S.Route.(exact "alice" @/ return)
(fun _req -> S.Response.make_string (Ok alice_text));
(* VFS *)
Tiny_httpd_dir.add_vfs server
~config:

36
examples/echo_eio.ml
View file

@ -35,6 +35,36 @@ let middleware_stat () : S.Middleware.t * (unit -> string) =
in
m, get_stat
let alice_text =
"CHAPTER I. Down the Rabbit-Hole Alice was beginning to get very tired of \
sitting by her sister on the bank, and of having nothing to do: once or \
twice she had peeped into the book her sister was reading, but it had no \
pictures or conversations in it, <and what is the use of a book,> thought \
Alice <without pictures or conversations?> So she was considering in her \
own mind (as well as she could, for the hot day made her feel very sleepy \
and stupid), whether the pleasure of making a daisy-chain would be worth \
the trouble of getting up and picking the daisies, when suddenly a White \
Rabbit with pink eyes ran close by her. There was nothing so very \
remarkable in that; nor did Alice think it so very much out of the way to \
hear the Rabbit say to itself, <Oh dear! Oh dear! I shall be late!> (when \
she thought it over afterwards, it occurred to her that she ought to have \
wondered at this, but at the time it all seemed quite natural); but when \
the Rabbit actually took a watch out of its waistcoat-pocket, and looked at \
it, and then hurried on, Alice started to her feet, for it flashed across \
her mind that she had never before seen a rabbit with either a \
waistcoat-pocket, or a watch to take out of it, and burning with curiosity, \
she ran across the field after it, and fortunately was just in time to see \
it pop down a large rabbit-hole under the hedge. In another moment down \
went Alice after it, never once considering how in the world she was to get \
out again. The rabbit-hole went straight on like a tunnel for some way, and \
then dipped suddenly down, so suddenly that Alice had not a moment to think \
about stopping herself before she found herself falling down a very deep \
well. Either the well was very deep, or she fell very slowly, for she had \
plenty of time as she went down to look about her and to wonder what was \
going to happen next. First, she tried to look down and make out what she \
was coming to, but it was too dark to see anything; then she looked at the \
sides of the well, and noticed that they were filled with cupboards......"
let () =
let port_ = ref 8080 in
let j = ref 32 in
@ -50,7 +80,7 @@ let () =
"echo [option]*";
(* use eio *)
let@ stdenv = Eio_main.run in
let@ stdenv = Eio_posix.run in
let@ sw = Eio.Switch.run in
(* create server *)
@ -130,6 +160,10 @@ let () =
S.stop server;
S.Response.make_string (Ok "quitting"));
S.add_route_handler server
S.Route.(exact "alice" @/ return)
(fun _req -> S.Response.make_string (Ok alice_text));
(* main page *)
S.add_route_handler server
S.Route.(return)