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上传时间: 2017-03-10
详细说明： 1. struct hdr_cmn { enum dir_t { DOWN= -1, NONE= 0, UP= 1 }; packet_t ptype_; // packet type (see above) int size_; // simulated packet size int uid_; // unique id int error_; // error flag int errbitcnt_; // # of corrupted bits jahn int fe csize_; double ts_; // timestamp: for q-delay measurement int iface_; // receiving interface (label) dir_t direction_; // direction: 0=none, 1=up, -1=down // source routing char src_rt_valid; double ts_arr_; // Required by Marker of JOBS //Monarch extn begins nsaddr_t prev_hop_; // IP addr of forwarding hop nsaddr_t next_hop_; // next hop for this packet int addr_type_; // type of next_hop_ addr nsaddr_t last_hop_; // for tracing on multi-user channels // called if pkt can't obtain media or isn't ack'd. not called if // droped by a queue FailureCallback xmit_failure_; void *xmit_failure_data_; /* * MONARCH wants to know if the MAC layer is passing this back because * it could not get the RTS through or because it did not receive * an ACK. */ int xmit_reason_; #define XMIT_REASON_RTS 0x01 #define XMIT_REASON_ACK 0x02 // filled in by GOD on first transmission, used for trace analysis int num_forwards_; // how many times this pkt was forwarded int opt_num_forwards_; // optimal #forwards // Monarch extn ends; // tx time for this packet in sec double txtime_; inline double& txtime() { return(txtime_); } ...展开收缩
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