ROSWebviewRequestProcessor Class Reference

Convert webview requests to ROS service calls. More...

#include "webview_reqproc.h"

Inheritance diagram for ROSWebviewRequestProcessor:

List of all members.

Public Member Functions
	ROSWebviewRequestProcessor (fawkes::LockPtr< ros::NodeHandle > nh, fawkes::Logger *logger, std::string &baseurl, std::string &srv_name)
	Constructor.
virtual	~ROSWebviewRequestProcessor ()
	Destructor.
virtual fawkes::WebReply *	process_request (const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **session_data)
	Process a request.
Public Member Functions inherited from fawkes::WebRequestProcessor
	WebRequestProcessor (bool handles_session_data=false)
	Constructor.
virtual	~WebRequestProcessor ()
	Virtual empty destructor.
bool	handles_session_data () const
	Check if processor handles session data by itself.

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Detailed Description

Convert webview requests to ROS service calls.

This request processor calls a ROS service to process the request and produce the reply. This reply is then passed back to webview.

This class requires the webview_msgs ROS package to be available.

Author:

Tim Niemueller

Definition at line 36 of file webview_reqproc.h.

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Constructor & Destructor Documentation

ROSWebviewRequestProcessor::ROSWebviewRequestProcessor	(	fawkes::LockPtr< ros::NodeHandle >	nh,
		fawkes::Logger *	logger,
		std::string &	baseurl,
		std::string &	srv_name
	)

Constructor.

Parameters:

nh	node handle to create service client handle
logger	logger for log output
baseurl	Base URL this processor is registered for
srv_name	the ROS service name to query for requests

Definition at line 47 of file webview_reqproc.cpp.

ROSWebviewRequestProcessor::~ROSWebviewRequestProcessor ( )

virtual

Destructor.

Definition at line 61 of file webview_reqproc.cpp.

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Member Function Documentation

fawkes::WebReply * ROSWebviewRequestProcessor::process_request ( const char *  url, const char *  method, const char *  version, const char *  upload_data, size_t *  upload_data_size, void **  session_data  )

virtual

Process a request.

Parameters:

url	URL, may contain escape sequences
method	HTTP method
version	HTTP version
upload_data	uploaded data
upload_data_size	size of upload_data parameter
session_data	session data pointer

Returns:

a WebReply instance, more specifically either a DynamicWebReply or a StaticWebReply that is sent as reply, or NULL to cause a 404 (not found) error.

Implements fawkes::WebRequestProcessor.

Definition at line 67 of file webview_reqproc.cpp.

References fawkes::WebReply::add_header(), fawkes::Logger::log_debug(), and fawkes::WebPageReply::set_html_header().

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The documentation for this class was generated from the following files:

• src/plugins/ros/webview_reqproc.h
• src/plugins/ros/webview_reqproc.cpp