constants.h File Reference

Defines constants used on client and server (used for consistency) More...

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Macros
#define	MSG_MAX_LENGTH   250
	Maximum message size.
#define	USERNAME_MAX_LENGTH   20
	Maximum length for a client username.
#define	FILE_TRANSFER_CHUNK_SIZE   200
	Size of data chunks for file transfer.
#define	MAX_FILE_SIZE_UPLOAD   800000000
	Maximum allowed size for file upload (bytes)
#define	MAX_CONCURRENT_FILE_TRANSFER   2
	Maximum concurrent transfer of file allowed per client.
#define	ROOM_NAME_MAX_LENGTH   20
	The maximum length for a name of a room.
#define	ROOM_DESC_MAX_LENGTH   120
	The maximum length for the description of a room.
#define	MAX_USERS_PER_ROOM   10
	The maximum amount of users connected simultaneously to a room.
#define	NUMBER_ROOM_MAX   20
	The maximum of supported rooms.
#define	JOIN_MESSAGE_TYPE   0
	An integer representing a join message.
#define	LEAVE_MESSAGE_TYPE   1
	An integer representing a leave message.
#define	TEXT_MESSAGE_TYPE   2
	An integer representing a text message.
#define	DEFINE_USERNAME_MESSAGE_TYPE   3
	An integer representing a message meant to define the client username.
#define	SERVER_ERROR_MESSAGE_TYPE   4
	An integer representing an error message sent by server.
#define	USERNAME_CHANGED_MESSAGE_TYPE   5
	An integer representing a message meant to notify clients a client changed its username.
#define	QUIT_MESSAGE_TYPE   6
	An integer representing a message meant to notify the server the client wants to quit the room.
#define	FILE_UPLOAD_REQUEST_MESSAGE_TYPE   7
	An integer representing a message meant to ask the server for file upload.
#define	FILE_DOWNLOAD_REQUEST_MESSAGE_TYPE   8
	An integer representing a message meant to ask the server for file download.
#define	FILE_UPLOAD_VALIDATION_MESSAGE_TYPE   9
	An integer representing a message sent by server to client to validate/invalidate its file upload request.
#define	FILE_DATA_TRANSFER_MESSAGE_TYPE   10
	An integer representing a message that transfers file data between client and server.
#define	FILE_DOWNLOAD_VALIDATION_MESSAGE_TYPE   11
	An integer representing a message sent by server to client to validate/invalidate its file download request.
#define	FILE_TRANSFER_CANCEL_MESSAGE_TYPE   12
	An integer representing a message sent between client/server to cancel a file transfer.
#define	SERVER_SUCCESS_MESSAGE_TYPE   13
	An integer representing a success message sent by server.
#define	CREATE_ROOM_MESSAGE_TYPE   14
	An integer representing a message sent by client to ask for room creation.
#define	JOIN_ROOM_MESSAGE_TYPE   15
	An integer representing a message sent by client to join room.
#define	LEAVE_ROOM_MESSAGE_TYPE   16
	An integer representing a message sent by client to leave a room.
#define	LIST_ROOMS_MESSAGE_TYPE   17
	An integer representing a message sent by client to ask existing rooms list.

Detailed Description

Defines constants used on client and server (used for consistency)