From 2bdbbaa8afb80ff1a59542f011fa87ffdfaf7b16 Mon Sep 17 00:00:00 2001 From: Aldo Cortesi Date: Fri, 20 Jul 2012 23:19:58 +1200 Subject: [PATCH] Convert documentation to HTML, fix styling. --- libpathod/static/pathod.css | 19 + libpathod/templates/docs_pathod.html | 504 ++++++++++++++------------- libpathod/templates/frame.html | 1 + 3 files changed, 277 insertions(+), 247 deletions(-) create mode 100644 libpathod/static/pathod.css diff --git a/libpathod/static/pathod.css b/libpathod/static/pathod.css new file mode 100644 index 000000000..3e24dd7df --- /dev/null +++ b/libpathod/static/pathod.css @@ -0,0 +1,19 @@ + + +section { + margin-top: 50px; + +} + +.example { + margin-top: 10px; + margin-bottom: 10px; + +} + +.terminal { + margin-top: 10px; + margin-bottom: 10px; + background: #000; + color: #fff; +} diff --git a/libpathod/templates/docs_pathod.html b/libpathod/templates/docs_pathod.html index f3dabd5ef..1527f851e 100644 --- a/libpathod/templates/docs_pathod.html +++ b/libpathod/templates/docs_pathod.html @@ -1,5 +1,6 @@ {% extends "frame.html" %} {% block body %} + -At pathod's heart is a small, terse language for crafting HTTP responses, +

At pathod's heart is a small, terse language for crafting HTTP responses, designed to be easy to specify in a request URL. The simplest way to use pathod is to fire up the daemon, and specify the response behaviour you -want using this language in the request URL. Here's a minimal example: +want using this language in the request URL. Here's a minimal example:

- http://localhost:9999/p/200 +
http://localhost:9999/p/200
-Everything after the "/p/" path component is a response specifier - in this +

Everything after the "/p/" path component is a response specifier - in this case just a vanilla 200 OK response. See the docs below to get (much) fancier. You can also add anchors to the pathod server that serve a fixed response -whenever a matching URL is requested: +whenever a matching URL is requested:

- pathod -a "/foo=200" +
pathod -a "/foo=200"
-Here, "/foo" a regex specifying the anchor path, and the part after the "=" is -a response specifier. +

Here, "/foo" a regex specifying the anchor path, and the part after the "=" is +a response specifier.

-pathod also has a nifty built-in web interface, which lets you play with +

pathod also has a nifty built-in web interface, which lets you play with the language by previewing responses, exposes activity logs, online help and -various other goodies. Try it by visiting the server root: +various other goodies. Try it by visiting the server root:

- http://localhost:9999 +
http://localhost:9999
+
- + -The general form of a response is as follows: - - code[MESSAGE]:[colon-separated list of features] +

The general form of a response is as follows: + +

code[MESSAGE]:[colon-separated list of features]

-Here's the simplest possible response specification, returning just an HTTP 200 -OK message with no headers and no content: - - 200 +

Here's the simplest possible response specification, returning just an HTTP 200 + OK message with no headers and no content: + +

200

-We can embellish this a bit by specifying an optional custom HTTP response -message (if we don't, pathod automatically creates an appropriate one). By -default for a 200 response code the message is "OK", but we can change it like -this: +

We can embellish this a bit by specifying an optional custom HTTP response + message (if we don't, pathod automatically creates an appropriate one). By + default for a 200 response code the message is "OK", but we can change it like + this:

- 200"YAY" +
200"YAY"
-The quoted string here is an example of a Value -Specifier, a syntax that is used throughout the pathod response -specification language. In this case, the quotes mean we're specifying a -literal string, but there are many other fun things we can do. For example, we -can tell pathod to generate 100k of random ASCII letters instead: +

The quoted string here is an example of a Value + Specifier, a syntax that is used throughout the pathod response + specification language. In this case, the quotes mean we're specifying a + literal string, but there are many other fun things we can do. For example, we + can tell pathod to generate 100k of random ASCII letters instead:

- 200@100k,ascii_letters +
200@100k,ascii_letters
-Full documentation on the value specification syntax can be found in the next -section. - -Following the response code specifier is a colon-separated list of features. -For instance, this specifies a response with a body consisting of 1 megabyte of -random data: +

Full documentation on the value specification syntax can be found in the next + section. + + Following the response code specifier is a colon-separated list of features. + For instance, this specifies a response with a body consisting of 1 megabyte of + random data:

- 200:b@1m +
200:b@1m
-And this is the same response with an ETag header added: +

And this is the same response with an ETag header added:

- 200:b@1m:h"Etag"="foo" +
200:b@1m:h"Etag"="foo"
-Both the header name and the header value are full value specifiers. Here's the -same response again, but with a 1k randomly generated header name: +

Both the header name and the header value are full value specifiers. Here's the + same response again, but with a 1k randomly generated header name:

- 200:b@1m:h@1k,ascii_letters="foo" +
200:b@1m:h@1k,ascii_letters="foo"
-A few specific headers have shortcuts, because they're used so often. The -shortcut for the content-type header is "c": +

A few specific headers have shortcuts, because they're used so often. The + shortcut for the content-type header is "c":

- 200:b@1m:c"text/json" +
200:b@1m:c"text/json"
-That's it for the basic response definition. Now we can start mucking with the -responses to break clients. One common hard-to-test circumstance is hangs or -slow responses. pathod has a pause operator that you can use to define -precisely when and how long the server should hang. Here, for instance, we hang -for 120 seconds after sending 50 bytes (counted from the first byte of the HTTP -response): +

That's it for the basic response definition. Now we can start mucking with the + responses to break clients. One common hard-to-test circumstance is hangs or + slow responses. pathod has a pause operator that you can use to define + precisely when and how long the server should hang. Here, for instance, we hang + for 120 seconds after sending 50 bytes (counted from the first byte of the HTTP + response):

- 200:b@1m:p120,50 +
200:b@1m:p120,50
-If that's not long enough, we can tell pathod to hang forever: +

If that's not long enough, we can tell pathod to hang forever:

- 200:b@1m:p120,f +
200:b@1m:p120,f
-Or to send all data, and then hang without disconnecting: +

Or to send all data, and then hang without disconnecting:

- 200:b@1m:p120,a +
200:b@1m:p120,a
-We can also ask pathod to hang randomly: +

We can also ask pathod to hang randomly:

- 200:b@1m:pr,a +
200:b@1m:pr,a
-There is a similar mechanism for dropping connections mid-response. So, we can -tell pathod to disconnect after sending 50 bytes: +

There is a similar mechanism for dropping connections mid-response. So, we can + tell pathod to disconnect after sending 50 bytes:

- 200:b@1m:d50 +
200:b@1m:d50
-Or randomly: +

Or randomly:

- 200:b@1m:dr +
200:b@1m:dr
-All of these features can be combined. Here's a response that pauses twice, -once at 10 bytes and once at 20, then disconnects at 5000: +

All of these features can be combined. Here's a response that pauses twice, + once at 10 bytes and once at 20, then disconnects at 5000:

- 200:b@1m:p10,10:p20,10:d5000 +
200:b@1m:p10,10:p20,10:d5000
-## Response Features +

Response Features

- - - - - - +
- hKEY=VALUE - - Set a header. Both KEY and VALUE are full Value Specifiers. -
+ + + + + - - - - + + + + - - - - - - - - + + - + + + + + + + - - - - + + + + - - - - - -
+ hKEY=VALUE + + Set a header. Both KEY and VALUE are full Value Specifiers. +
- bVALUE - - Set the body. VALUE is a Value - Specifier. When the body is set, pathod will - automatically set the appropriate Content-Length header. -
+ bVALUE + + Set the body. VALUE is a Value + Specifier. When the body is set, pathod will + automatically set the appropriate Content-Length header. +
- cVALUE - - A shortcut for setting the Content-Type header. Equivalent to: - -
h"Content-Type"=VALUE
- -
- lVALUE - - A shortcut for setting the Location header. Equivalent to: +
+ cVALUE + + A shortcut for setting the Content-Type header. Equivalent to:
h"Content-Type"=VALUE
-
+ lVALUE + + A shortcut for setting the Location header. Equivalent to: + +
h"Location"=VALUE
+ +
- dOFFSET - - Disconnect after OFFSET bytes. The offset can also be "r", in which case pathod - will disconnect at a random point in the response. -
+ dOFFSET + + Disconnect after OFFSET bytes. The offset can also be "r", in which case pathod + will disconnect at a random point in the response. +
- pSECONDS,OFFSET - - Pause for SECONDS seconds after OFFSET bytes. SECONDS can also be "f" to pause - forever. OFFSET can also be "r" to generate a random offset, or "a" for an - offset just after all data has been sent. -
+ + + pSECONDS,OFFSET + + + Pause for SECONDS seconds after OFFSET bytes. SECONDS can also be "f" to pause + forever. OFFSET can also be "r" to generate a random offset, or "a" for an + offset just after all data has been sent. + + + + - -## VALUE Specifiers + +

VALUE Specifiers

-There are three different flavours of value specification. +

Literals

-### Literal +

Literal values are specified as a quoted strings:

-Literal values are specified as a quoted strings: +
"foo"
- "foo" +

Either single or double quotes are accepted, and quotes can be escaped with + backslashes within the string:

-Either single or double quotes are accepted, and quotes can be escaped with -backslashes within the string: - - 'fo\'o' +
'fo\'o'
-### Files +

Files

-You can load a value from a specified file path. To do so, you have to specify -a _staticdir_ option to pathod on the command-line, like so: +

You can load a value from a specified file path. To do so, you have to specify + a _staticdir_ option to pathod on the command-line, like so:

- pathod -d ~/myassets +
pathod -d ~/myassets
-All paths are relative paths under this directory. File loads are indicated by -starting the value specifier with the left angle bracket: - - All paths are relative paths under this directory. File loads are indicated by + starting the value specifier with the left angle bracket: + +
<my/path

-The path value can also be a quoted string, with the same syntax as literals: +

The path value can also be a quoted string, with the same syntax as literals:

- <"my/path" +
<"my/path"
-### Generated values +

Generated values

-An @-symbol lead-in specifies that generated data should be used. There are two -components to a generator specification - a size, and a data type. By default -pathod assumes a data type of "bytes". +

An @-symbol lead-in specifies that generated data should be used. There are two + components to a generator specification - a size, and a data type. By default + pathod assumes a data type of "bytes".

-Here's a value specifier for generating 100 bytes: - - @100 +

Here's a value specifier for generating 100 bytes: + +

@100

-You can use standard suffixes to indicate larger values. Here, for instance, is -a specifier for generating 100 megabytes: +

You can use standard suffixes to indicate larger values. Here, for instance, is + a specifier for generating 100 megabytes:

- @100m +
@100m
-Data is generated and served efficiently - if you really want to send a -terabyte of data to a client, pathod can do it. The supported suffixes are: +

Data is generated and served efficiently - if you really want to send a + terabyte of data to a client, pathod can do it. The supported suffixes are:

- - - - - - - - - - - - - - - - - - -
b 1024**0 (bytes)
k 1024**1 (kilobytes)
m 1024**2 (megabytes)
g 1024**3 (gigabytes)
t 1024**4 (terabytes)
+ + + + + + + + + + + + + + + + + + +
b 1024**0 (bytes)
k 1024**1 (kilobytes)
m 1024**2 (megabytes)
g 1024**3 (gigabytes)
t 1024**4 (terabytes)
-Data types are separated from the size specification by a comma. This -specification generates 100mb of ASCII: +

Data types are separated from the size specification by a comma. This + specification generates 100mb of ASCII:

- @100m,ascii +
@100m,ascii
-Supported data types are: - - -- ascii_letters -- ascii_lowercase -- ascii_uppercase -- digits -- hexdigits -- letters -- lowercase -- octdigits -- printable -- punctuation -- uppercase -- whitespace -- ascii -- bytes +

Supported data types are:

- +
    +
  • ascii_letters
  • +
  • ascii_lowercase
  • +
  • ascii_uppercase
  • +
  • digits
  • +
  • hexdigits
  • +
  • letters
  • +
  • lowercase
  • +
  • octdigits
  • +
  • printable
  • +
  • punctuation
  • +
  • uppercase
  • +
  • whitespace
  • +
  • ascii
  • +
  • bytes
  • +
-pathod exposes a simple API, intended to make it possible to drive and -inspect the daemon remotely for use in unit testing and the like. +
- - - - - - - - - - - - - - - -
- /api/clear_log - - A POST to this URL clears the log buffer. -
- /api/info - - Basic version and configuration info. -
- /api/log - - Returns the current log buffer. At the moment the buffer size is 500 entries - - when the log grows larger than this, older entries are discarded. The returned - data is a JSON dictionary, with the form: +
+ -
{ 'log': [ ENTRIES ] } 
+

pathod exposes a simple API, intended to make it possible to drive and + inspect the daemon remotely for use in unit testing and the like.

- You can preview the JSON data returned for a log entry through the built-in web - interface. -
- + + + + + + + + + + + + + + + +
+ /api/clear_log + + A POST to this URL clears the log buffer. +
+ /api/info + + Basic version and configuration info. +
+ /api/log + + Returns the current log buffer. At the moment the buffer size is 500 entries - + when the log grows larger than this, older entries are discarded. The returned + data is a JSON dictionary, with the form: -To let users distinguish crafted responses from internal pathod responses, -pathod uses the non-standard 800 response code to indicate errors. For example, -a request to: +
{ 'log': [ ENTRIES ] } 
- http://localhost:9999/p/foo + You can preview the JSON data returned for a log entry through the built-in web + interface. +
+ + +
+ + +

To let users distinguish crafted responses from internal pathod responses, + pathod uses the non-standard 800 response code to indicate errors. For example, + a request to:

+ +
http://localhost:9999/p/foo
+ +

... will return an 800 response, because "foo" is not a valid page specifier.

+ +
-... will return an 800 response, because "foo" is not a valid page specifier. {% endblock %} diff --git a/libpathod/templates/frame.html b/libpathod/templates/frame.html index a83f8f381..daf3e2ae3 100644 --- a/libpathod/templates/frame.html +++ b/libpathod/templates/frame.html @@ -4,6 +4,7 @@ pathod +