feature: add debug_plugin for development debugging
This commit is contained in:
luwenpeng
@@ -494,106 +494,113 @@ static void tcp_flags_to_str(uint8_t flags, char *buffer, size_t len)
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}
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}
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int session_to_json(struct session *sess, char *buff, int size)
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int session_to_str(const struct session *sess, int bref, char *buff, int size)
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{
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memset(buff, 0, size);
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char flags[64] = {0};
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int used = 0;
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used += snprintf(buff + used, size - used, "{");
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used += snprintf(buff + used, size - used, "\"id\":%" PRIu64 ",", session_get_id(sess));
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used += snprintf(buff + used, size - used, "\"start_timestamp\":%" PRIu64 ",", session_get_timestamp(sess, SESSION_TIMESTAMP_START));
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used += snprintf(buff + used, size - used, "\"last_timestamp\":%" PRIu64 ",", session_get_timestamp(sess, SESSION_TIMESTAMP_LAST));
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used += snprintf(buff + used, size - used, "\"tuple\":\"%s\",", session_get0_readable_addr(sess));
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used += snprintf(buff + used, size - used, "\"type\":\"%s\",", session_type_to_str(session_get_type(sess)));
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used += snprintf(buff + used, size - used, "\"state\":\"%s\",", session_state_to_str(session_get_current_state(sess)));
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used += snprintf(buff + used, size - used, "\"closing_reason\":\"%s\",", closing_reason_to_str(session_get_closing_reason(sess)));
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used += snprintf(buff + used, size - used, "\"duplicate_traffic\":%d,", session_has_duplicate_traffic(sess));
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used += snprintf(buff + used, size - used, "\"current_packet\":\"%p\",", session_get0_current_packet(sess));
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const char *str[] = {"c2s", "s2c"};
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enum flow_direction dir[] = {FLOW_DIRECTION_C2S, FLOW_DIRECTION_S2C};
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for (int i = 0; i < 2; i++)
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if (bref)
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{
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// raw packets
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used += snprintf(buff + used, size - used, "\"%s_raw_packets_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_PACKETS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_raw_bytes_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_BYTES_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_raw_packets_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_PACKETS_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_raw_bytes_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_BYTES_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_raw_packets_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_PACKETS_DROPPED));
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used += snprintf(buff + used, size - used, "\"%s_raw_bytes_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_BYTES_DROPPED));
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// duplicate packets
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used += snprintf(buff + used, size - used, "\"%s_duplicate_packets_bypass\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_DUPLICATE_PACKETS_BYPASS));
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used += snprintf(buff + used, size - used, "\"%s_duplicate_bytes_bypass\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_DUPLICATE_BYTES_BYPASS));
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// injected packets
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used += snprintf(buff + used, size - used, "\"%s_injected_packets_failed\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_INJECTED_PACKETS_FAILED));
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used += snprintf(buff + used, size - used, "\"%s_injected_packets_success\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_INJECTED_PACKETS_SUCCESS));
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used += snprintf(buff + used, size - used, "\"%s_injected_bytes_success\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_INJECTED_BYTES_SUCCESS));
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// control packets
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used += snprintf(buff + used, size - used, "\"%s_control_packets_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_PACKETS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_control_bytes_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_BYTES_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_control_packets_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_PACKETS_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_control_bytes_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_BYTES_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_control_packets_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_PACKETS_DROPPED));
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used += snprintf(buff + used, size - used, "\"%s_control_bytes_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_BYTES_DROPPED));
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if (session_get_type(sess) == SESSION_TYPE_TCP)
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{
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used += snprintf(buff + used, size - used, "\"%s_tcp_last_seq\":%u,", str[i], sess->tcp_halfs[dir[i]].seq);
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used += snprintf(buff + used, size - used, "\"%s_tcp_last_ack\":%u,", str[i], sess->tcp_halfs[dir[i]].ack);
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memset(flags, 0, sizeof(flags));
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tcp_flags_to_str(sess->tcp_halfs[dir[i]].flags, flags, sizeof(flags));
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used += snprintf(buff + used, size - used, "\"%s_tcp_flags\":\"%s\",", str[i], flags);
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_expired\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_EXPIRED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_expired\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_EXPIRED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_retransmit\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_RETRANSMIT));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_retransmit\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_RETRANSMIT));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_overlap\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_OVERLAP));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_overlap\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_OVERLAP));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_nospace\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_NOSPACE));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_nospace\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_NOSPACE));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_inorder\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_INORDER));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_inorder\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_INORDER));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_reordered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_REORDERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_reordered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_REORDERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_buffered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_BUFFERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_buffered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_BUFFERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_released\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_RELEASED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_released\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_RELEASED));
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}
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used += snprintf(buff + used, size - used, "\"%s_first_packet\":\"%p\"", str[i], session_get_first_packet(sess, dir[i]));
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if (i == 0)
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{
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used += snprintf(buff + used, size - used, ",");
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}
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used += snprintf(buff + used, size - used, "session id: %lu, addr: %s, type: %s, state: %s, dir: %s, c2s_rx_pkts: %lu, s2c_rx_pkts: %lu",
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session_get_id(sess),
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session_get0_readable_addr(sess),
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session_type_to_str(session_get_type(sess)),
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session_state_to_str(session_get_current_state(sess)),
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flow_direction_to_str(session_get_current_flow_direction(sess)),
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session_get_stat(sess, FLOW_DIRECTION_C2S, STAT_RAW_PACKETS_RECEIVED),
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session_get_stat(sess, FLOW_DIRECTION_S2C, STAT_RAW_PACKETS_RECEIVED));
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}
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else
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{
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used += snprintf(buff + used, size - used, "{");
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used += snprintf(buff + used, size - used, "\"id\":%" PRIu64 ",", session_get_id(sess));
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used += snprintf(buff + used, size - used, "\"start_timestamp\":%" PRIu64 ",", session_get_timestamp(sess, SESSION_TIMESTAMP_START));
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used += snprintf(buff + used, size - used, "\"last_timestamp\":%" PRIu64 ",", session_get_timestamp(sess, SESSION_TIMESTAMP_LAST));
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used += snprintf(buff + used, size - used, "\"tuple\":\"%s\",", session_get0_readable_addr(sess));
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used += snprintf(buff + used, size - used, "\"type\":\"%s\",", session_type_to_str(session_get_type(sess)));
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used += snprintf(buff + used, size - used, "\"state\":\"%s\",", session_state_to_str(session_get_current_state(sess)));
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used += snprintf(buff + used, size - used, "\"closing_reason\":\"%s\",", closing_reason_to_str(session_get_closing_reason(sess)));
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used += snprintf(buff + used, size - used, "\"duplicate_traffic\":%d,", session_has_duplicate_traffic(sess));
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used += snprintf(buff + used, size - used, "\"current_packet\":\"%p\",", session_get0_current_packet(sess));
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const char *str[] = {"c2s", "s2c"};
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enum flow_direction dir[] = {FLOW_DIRECTION_C2S, FLOW_DIRECTION_S2C};
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for (int i = 0; i < 2; i++)
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{
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// raw packets
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used += snprintf(buff + used, size - used, "\"%s_raw_packets_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_PACKETS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_raw_bytes_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_BYTES_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_raw_packets_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_PACKETS_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_raw_bytes_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_BYTES_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_raw_packets_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_PACKETS_DROPPED));
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used += snprintf(buff + used, size - used, "\"%s_raw_bytes_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_RAW_BYTES_DROPPED));
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// duplicate packets
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used += snprintf(buff + used, size - used, "\"%s_duplicate_packets_bypass\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_DUPLICATE_PACKETS_BYPASS));
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used += snprintf(buff + used, size - used, "\"%s_duplicate_bytes_bypass\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_DUPLICATE_BYTES_BYPASS));
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// injected packets
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used += snprintf(buff + used, size - used, "\"%s_injected_packets_failed\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_INJECTED_PACKETS_FAILED));
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used += snprintf(buff + used, size - used, "\"%s_injected_packets_success\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_INJECTED_PACKETS_SUCCESS));
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used += snprintf(buff + used, size - used, "\"%s_injected_bytes_success\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_INJECTED_BYTES_SUCCESS));
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// control packets
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used += snprintf(buff + used, size - used, "\"%s_control_packets_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_PACKETS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_control_bytes_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_BYTES_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_control_packets_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_PACKETS_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_control_bytes_transmitted\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_BYTES_TRANSMITTED));
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used += snprintf(buff + used, size - used, "\"%s_control_packets_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_PACKETS_DROPPED));
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used += snprintf(buff + used, size - used, "\"%s_control_bytes_dropped\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_CONTROL_BYTES_DROPPED));
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if (session_get_type(sess) == SESSION_TYPE_TCP)
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{
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used += snprintf(buff + used, size - used, "\"%s_tcp_last_seq\":%u,", str[i], sess->tcp_halfs[dir[i]].seq);
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used += snprintf(buff + used, size - used, "\"%s_tcp_last_ack\":%u,", str[i], sess->tcp_halfs[dir[i]].ack);
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memset(flags, 0, sizeof(flags));
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tcp_flags_to_str(sess->tcp_halfs[dir[i]].flags, flags, sizeof(flags));
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used += snprintf(buff + used, size - used, "\"%s_tcp_flags\":\"%s\",", str[i], flags);
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_received\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_RECEIVED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_expired\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_EXPIRED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_expired\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_EXPIRED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_retransmit\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_RETRANSMIT));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_retransmit\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_RETRANSMIT));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_overlap\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_OVERLAP));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_overlap\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_OVERLAP));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_nospace\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_NOSPACE));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_nospace\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_NOSPACE));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_inorder\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_INORDER));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_inorder\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_INORDER));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_reordered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_REORDERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_reordered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_REORDERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_buffered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_BUFFERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_buffered\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_BUFFERED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_segments_released\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_SEGMENTS_RELEASED));
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used += snprintf(buff + used, size - used, "\"%s_tcp_payloads_released\":%" PRIu64 ",", str[i], session_get_stat(sess, dir[i], STAT_TCP_PAYLOADS_RELEASED));
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}
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used += snprintf(buff + used, size - used, "\"%s_first_packet\":\"%p\"", str[i], session_get_first_packet(sess, dir[i]));
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if (i == 0)
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{
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used += snprintf(buff + used, size - used, ",");
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}
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}
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used += snprintf(buff + used, size - used, "}");
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}
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used += snprintf(buff + used, size - used, "}");
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return used;
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}
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void session_print(struct session *sess)
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{
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char buff[4096];
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session_to_json(sess, buff, sizeof(buff));
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printf("%s\n", buff);
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}
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