Joseph Beshay a73eade468 Add more fields to Qlog Transport Summary to track spurious retransmissions ...

Summary:
Add three new fields to the qlog transport summary to help analyze spurious transmissions and how they are affected by using adaptive loss thresholds.

Sample transport summary with added fields:
```
          "transport_summary",
          {
            "current_conn_flow_control": 1068498609,
            "current_writable_bytes": 106330,
            "dsr_packet_count": 0,
            "final_packet_loss_reordering_threshold": 77,
            "final_packet_loss_time_reordering_threshold_dividend": 29,
            "quic_version": 4207849474,
            "sum_cur_stream_buffer_len": 0,
            "sum_cur_write_offset": 5243215,
            "sum_max_observed_offset": 67,
            "total_bytes_cloned": 0,
            "total_bytes_recvd": 38157,
            "total_bytes_retransmitted": 244982,
            "total_bytes_sent": 5605121,
            "total_crypto_data_recvd": 342,
            "total_crypto_data_written": 1548,
            "total_packets_spuriously_marked_lost": 203,
            "total_stream_bytes_cloned": 0,
            "used_zero_rtt": false
          }
```

Reviewed By: afrind, mjoras

Differential Revision: D33354583

fbshipit-source-id: 55d9880ef02f6914b74c1b6508863bea7807950b

2022-01-07 18:42:12 -08:00

126 KiB

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