AODV_model.rar_adhoc_adhoc opnet_aodv opnet_opnet_opnet adhoc

/* Process model C form file: aodv_wlan_mac.pr.c */ /* Portions of this file copyright 1992-2003 by OPNET Technologies, Inc. */ /* This variable carries the header into the object file */ const char aodv_wlan_mac_pr_c [] = "MIL_3_Tfile_Hdr_ 100A 30A modeler 7 43C4D6AE 43C4D6AE 1 wind Administrator 0 0 none none 0 0 none 0 0 0 0 0 0 0 0 8f3 1 "; #include <string.h> /* OPNET system definitions */ #include <opnet.h> /* Header Block */ #include <math.h> #include "oms_pr.h" #include "oms_tan.h" #include "oms_bgutil.h" /* Definitions to all protocol specific parameters*/ #include "wlan_support.h" /* Station address assignment definitions. */ #include "oms_auto_addr_support.h" #include "oms_dist_support.h" //$$$$$$$$$$$$$$$$$$ DSR $$$$$$$$$$$$$$$$$$$$$$$$ // define packet Types #define DATA_PACKET_TYPE 5 #define REQUEST_PACKET_TYPE 7 #define REPLY_PACKET_TYPE 11 #define ERROR_PACKET_TYPE 13 // remote intrpt or self intrpt codes definition #define ACK_CODE 10000 #define ERROR_CODE 20000 //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ #define WLANC_MSDU_HEADER_SIZE 272 #define WLAN_AIR_PROPAGATION_TIME 512 /* incoming statistics and stream wires */ #define TRANSMITTER_INSTAT 2 #define RECEIVER_BUSY_INSTAT 1 #define RECEIVER_COLL_INSTAT 0 #define LOW_LAYER_INPUT_STREAM_CH4 3 #define LOW_LAYER_OUT_STREAM_CH1 0 #define LOW_LAYER_OUT_STREAM_CH2 1 #define LOW_LAYER_OUT_STREAM_CH3 2 #define LOW_LAYER_OUT_STREAM_CH4 3 /* Flags to load different variables based on attribute settings. */ #define WLAN_AP 1 #define WLAN_STA 0 //$$$$$$$$$$$$$$$$$$ DSR $$$$$$$$$$$$$$$$$$$$$$$$ Stathandle stat_mac_failed_data; int mac_failed_data; Stathandle stat_mac_failed_reply; int mac_failed_reply; Stathandle stat_mac_failed_error; int mac_failed_error=0; Stathandle stat_mac_total_failed; int mac_total_failed=0; Stathandle stat_mac_retry_rts; int mac_retry_rts; Stathandle stat_mac_retry_data; int mac_retry_data; Stathandle stat_mac_retry_reply; int mac_retry_reply; Stathandle stat_mac_retry_error; int mac_retry_error; Stathandle stat_mac_total_retry; int mac_total_retry; //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ /* Define interrupt codes for generating handling interrupts */ /* indicating changes in deference, frame timeout which infers */ /* that the collision has occurred, random backoff and transmission */ /* completion by the physical layer (self interrupts). */ typedef enum WlanT_Mac_Intrpt_Code { WlanC_Deference_Off, /* Deference before frame transmission */ WlanC_Frame_Timeout, /* No frame rcvd in set duration (infer collision) */ WlanC_Backoff_Elapsed, /* Backoff done before frame transmission */ WlanC_CW_Elapsed /* Bakcoff done after successful frame transmission */ } WlanT_Mac_Intrpt_Code; /* Define codes for data and managment frames use in DCF */ /* The code defined is consistent with IEEE 802.11 format */ /* There are 6 bits used to define the code and in the following */ /* enumeration the first 6 bits are used in the type field of the frame.*/ //typedef enum WlanT_Mac_Frame_Type //{ //WlanC_Rts = 0x6C, /* Rts code set into the Rts control frame */ //WlanC_Cts = 0x70, /* Cts code set into the Cts control frame */ //WlanC_Ack = 0x74, /* Ack code set into the Ack control frame */ //WlanC_Data = 0x80, /* Data code set into the Data frame */ //WlanC_None = 0x00 /* None type */ //} WlanT_Mac_Frame_Type; /* Defining codes for the physical layer characteristics type */ typedef enum WlanT_Phy_Char_Code { WlanC_Frequency_Hopping, WlanC_Direct_Sequence, WlanC_Infra_Red } WlanT_Phy_Char_Code; /* Define a structure to maintain data fragments received by each */ /* station for the purpose of reassembly (or defragmentation) */ typedef struct WlanT_Mac_Defragmentation_Buffer_Entry { int tx_station_address ;/* Store the station address of transmitting station */ double time_rcvd ;/* Store time the last fragment for this frame was received */ Sbhandle reassembly_buffer_ptr ;/* Store data fragments for a particular packet */ } WlanT_Mac_Defragmentation_Buffer_Entry; /* Define a structure to maintain a copy of each unique data frame */ /* received by the station. This is done so that the station can */ /* discard any additional copies of the frame received by it. */ typedef struct WlanT_Mac_Duplicate_Buffer_Entry { int tx_station_address; /* store the station address of transmitting station */ int sequence_id ; /* rcvd packet sequence id */ int fragment_number ; /* rcvd packet fragment number */ } WlanT_Mac_Duplicate_Buffer_Entry; /* This structure contains all the flags used in this process model to determine */ /* various conditions as mentioned in the comments for each flag */ typedef struct WlanT_Mac_Flags { Boolean data_frame_to_send; /* Flag to check when station needs to transmit. */ Boolean backoff_flag; /* Backoff flag is set when either the collision is */ /* inferred or the channel switched from busy to idle */ Boolean rts_sent; /* Flag to indicate that wether the Rts for this */ /* particular data frame is sent */ Boolean rcvd_bad_packet; /* Flag to indicate that the received packet is bad */ Boolean receiver_busy; /* Set this flag if receiver busy stat is enabled */ Boolean transmitter_busy; /* Set this flag if we are transmitting something. */ Boolean wait_eifs_dur; /* Set this flag if the station needs to wait for eifs */ /* duration. */ Boolean gateway_flag; /* Set this flag if the station is a gateway. */ Boolean bridge_flag; /* Set this flag if the station is a bridge */ Boolean immediate_xmt; /* Set this flag if the new frame can be transmitted */ /* without deferring. */ Boolean cw_required; /* Indicates the arrival of an ACK making the */ /* transmission successful, which requires a CW period. */ Boolean nav_updated; /* Indicates a new NAV value since the last time when */ /* self interrupt is scheduled for the end of deference.*/ } WlanT_Mac_Flags; /* This structure contains the destination address to which the received */ /* data packet needs to be sent and the contents of the recieved packet */ /* from the higher layer. */ typedef struct WlanT_Hld_List_Elem { double time_rcvd; /* Time packet is received by the higher layer */ int destination_address; /* Station to which this packet needs to be sent*/ Packet* pkptr; /* store packet contents */ } WlanT_Hld_List_Elem; /** Macros Definition **/ /** The data frame send flag is set whenever there is a data to be send by **/ /** the higher layer or the response frame needs to be sent. However,in **/ /** either case the flag will not be set if the receiver is busy **/ /** Frames cannot be transmitted until medium is idle. Once, the medium **/ /** is available then the station is eligible to transmit provided there **/ /** is a need for backoff. Once the transmission is complete then the **/ /** station will wait for the response provided the frame transmitted **/ /** requires a response (such as Rts and Data frames). If respons