NAME

['HTTP' ; 'Daemon'] - A Simple HTTPD Server

SYNOPSIS

  load_bytecode "HTTP/Daemon.pir"
  opts = new .Hash
  opts['LocalPort'] = 1234
  opts['LocalAddr'] = 'localhost'
  clid = find_type ['HTTP'; 'Daemon']
  d = new clid, opts
  unless d goto err
  d.'run'()

TODO

A lot. The code is by now just an objectified version of httpd.pir.

AUTHOR

Leopold Toetsch <lt@toetsch.at> - some code based on httpd.pir.

Class HTTP; Daemon

A HTTP server class.

Functions

_onload: Called from load_bytecode to create used classes.
req_handler(pio, conn): Called from the asynchronous select code, when data are ready to read at the pio.

Methods

__init(args): Object initializer, takes a hash argument to initialize attributes, which are:
socket(): Get connected server socket.
opts(): Get server options.
url(?init?): Get or set server url, aka document root
__get_bool(): Vtable method, called from the if or unless opcode. Returns true, if the daemon object is listening on a socket, that is if the initialization went ok.
run(): Main server runloop.
_write_logs(): Called from server runloop. Write log files (currently to stdout only).
debug(...): If debugging is on, concat passed arguments and write that string to stderr.
log(...): Concat passed arguments and schedule the string for logging.
_select_active(): Create a select event for all active connections. Called from server runnloop.
_del_stale_conns(): Not yet used method to delete old connections for the active set. Called from server runnloop.
new_conn(pio): Add pio to the list of active connections.
accept_conn(): Accept a new connection and call new_conn on the accepted socket.
del_conn(conn): Delete connection from the active list
exists_conn(conn): Return true, if the given connection is already active.

Class HTTP; Daemon; ClientConn

A class abstracting client connections.

Methods

init_pmc(pio): Create a new connection object with the given socket pio.
socket(): Get connection socket.
server(?srv?): Get or set server object.
timestamp(?ticks?): Get or set the timestamp of this connection.
get_request: Read client request, return Request obj. Currently only GET is supported.
_read: Internal method to read from the client. It returns a request string.
send_respons(resp): Send the response back to the client. Argument is a response object.
send_file_respons(url): Slurp the url and send the response back to the client. TODO doc CGI urls.
check_cgi(url): Check if a request url is a CGI request. If yes, return the reulst of the CGI invocation.

Utility functions

to_string: Doomed.
urldecode(s): Return %-unescaped string of url string.
hex_to_int: Called from above to convert a hex string to integer.
make_query_hash: Split a query string at '&' and return a hash of foo=bar items. The hash keys and values are urldecoded already.

Class HTTP;Message

Base class for Request and Response Messages.

Methods

__init(): Create a new Message object.
headers(): Return an OrderedHash of message headers.
content(?s?): Set or get the message contents.
parse(s): Parse the given request string into header and content attributes of the Message object.

Class HTTP;Request isa HTTP;Message

Handles client requests.

Methods

method(): Return the request method. Currently just 'GET' or '' is returned.
__get_bool(): Returns true, if the request has at least one header.
uri(): Return the uri of the request.

Class HTTP;Response isa HTTP;Message

Methods

code(c): Create initial code response line. This has to be called first to create header response items.
header(h => v, ...): Append the given keyed items to the response headers.; XXX shall this be actually push_header?
as_string(): Return stringified version of the response object, ready for returning to client.

# Local Variables: # mode: pir # fill-column: 100 # End: # vim: expandtab shiftwidth=4:

parrotcode: A Simple HTTPD Server
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