MSG File src/simu5g/mec/platform/services/messages/HttpMessages.msg¶

//
//                  Simu5G
//
// Copyright (C) 2019-2021 Giovanni Nardini, Giovanni Stea, Antonio Virdis et al. (University of Pisa)
// Copyright (C) 2022-2026 Giovanni Nardini, Giovanni Stea et al. (University of Pisa)
//
// This file is part of a software released under the license included in file
// "license.pdf". Please read LICENSE and README files before using it.
// The above files and the present reference are part of the software itself,
// and cannot be removed from it.
//

import inet.common.INETDefs;
import inet.common.packet.chunk.Chunk;

namespace simu5g;

enum HttpMsgType
{
    REQUEST  = 0;
    RESPONSE = 1;
    UNKNOWN  = 2;
};

enum HttpRequestState {
    CORRECT          = 0;
    BAD_REQ_LINE     = 1;
    BAD_HEADER               = 2;
    BAD_HTTP                 = 3;
     BAD_REQUEST             = 4;
    DIFF_HOST                = 5;
    UNDEFINED                = 6;
    BAD_REQ_METHOD   = 7;
    BAD_RES_LINE     = 8;
    BAD_REQ_URI              = 9;
};

enum HttpResponseStatus {
     OK                                      = 0;    // 200
    CREATED                  = 1;    // 201
    NO_CONTENT                       = 2;    // 204
    BAD_REQ                  = 3;    // 400
    UNAUTH                           = 4;    // 401
    FORBIDDEN                        = 5;    // 403
    NOT_FOUND                        = 6;    // 404
    NOT_ACC                  = 7;    // 406
    TOO_REQS                         = 8;    // 429
    BAD_METHOD                       = 9;    // 405
    HTTP_NOT_SUPPORTED       = 10;   // 505
    SERV_UNAV                        = 11;    //503
  };

//
// Base class for HTTP messages
//
class HttpBaseMessage extends inet::FieldsChunk
{
    int sockId;                                                               // socket Id used to retrieve the tcp socket objects from the map
    HttpRequestState state;                                   // used to respond with the correct HTTP response
    bool isReceivingMsg;                                      // flag used for HTTP msgs within more TCP segments
    HttpMsgType type;                                         // REQUEST or RESPONSE or UNKNOWN
    string body;                                                      // body of the HTTp message if present
    string httpProtocol = "HTTP/1.1";                 // http protocol, defaul HTTP/1.1
    int contentLength;                                                // Content-Length header
    int remainingDataToRecv;                          // Counter for HTTP msg within more TCP segments
    string contentType = "application/json"; // Content-Type header
    string connection = "keep-alive";                 // Connection  header
    simtime_t arrivalTime = 0;                                        //  Point in time when the messagge arrives (used by the Service to calculate response time)
}

////
// Message class for HTTP requests
//
class HttpRequestMessage_m extends HttpBaseMessage
{
    string method;
    string parameters;
    string uri;
    string host="";          // Host header for POST requests
    double responseTime = 0; // used by the ServiceBase when the load generator flag is set
}

//
// Message class for HTTP replies
//
class HttpResponseMessage_m extends HttpBaseMessage
{
    int code;        // e.g. 200
    string status;   // e.g. OK
}