Fawkes API  Fawkes Development Version
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
ROSWebviewRequestProcessor Class Reference

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

#include "webview_reqproc.h"

Inheritance diagram for ROSWebviewRequestProcessor:

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::WebReplyprocess_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.

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.

Constructor & Destructor Documentation

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

Constructor.

Parameters
nhnode handle to create service client handle
loggerlogger for log output
baseurlBase URL this processor is registered for
srv_namethe 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.

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
urlURL, may contain escape sequences
methodHTTP method
versionHTTP version
upload_datauploaded data
upload_data_sizesize of upload_data parameter
session_datasession 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().


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