EMU/Protocol

EMUs: Eiffel Multi Users

Messages

Messages are encapsulated within objects that are being transmitted over the network. All messages inherit from EMU_MESSAGE.

Client

• login

version
projectname
username
password

• update_request

wants to receive new files

• unlock_request

wants to edit a code chunk

• upload_chunk

upload an edited chunk

• relock_request

wants to end locking session

• lock_status_request

get information about all classes

• online_status_request

get information about online users

• logout

informs about a logout of the client

Server

• login_accepted

• login_denied

• update

class files

• unlock_request_granted

checks status
sets status

• unlock_request_denied

status information

• lock_status

send status information of all classes

• online_status

send status of users online

• server_down

send information about server down

• send_message

send a message to all clients

Server-Administration

The administration tool is meant to maintain and control the server.

• admin_login

admin_name
admin_password

• admin_cmd

command to be executed? or attribute indicating which command should be executed?

Project-Administration

There are two ways of administrating an emu-project:

1. using the New EMU Project Wizard (create)

2. using the EMU Project Settings dialog (customize)

All messages inherit from EMU_PROJECT_MESSAGE, which has an attribute "project_name".

to server

• PROJECT_CREATE

project_password

• PROJECT_DELETE

project_password

• PROJECT_ADD_USER

project_password
user_name
user_password

• PROJECT_REMOVE_USER

project_password
user_name

• PROJECT_CLASS_LIST_REQUEST

project_password

• PROJECT_USER_LIST_REQUEST

project_password

• PROJECT_CLASS_UNLOCK_REQUEST

project_password
class_name

from server

• PROJECT_ERROR

error_code
error_msg

• PROJECT_OK

ok_code
ok_msg

• PROJECT_CLASS_LIST

class_list

• PROJECT_USER_LIST

user_list