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75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
#pragma once
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#include "llarp/types.h"
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#include "sendbuf.hpp"
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#include "sendqueue.hpp"
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#include "xmit.hpp"
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#include <bitset>
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#include <unordered_map>
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#include <vector>
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struct transit_message
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{
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xmit msginfo;
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std::bitset< 32 > status = {};
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typedef std::vector< byte_t > fragment_t;
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std::unordered_map< byte_t, fragment_t > frags;
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fragment_t lastfrag;
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llarp_time_t lastAck = 0;
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llarp_time_t lastRetransmit = 0;
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llarp_time_t started;
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void
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clear();
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// calculate acked bitmask
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uint32_t
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get_bitmask() const;
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// outbound
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transit_message(llarp_buffer_t buf, const byte_t *hash, uint64_t id,
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uint16_t mtu = 1024);
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// inbound
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transit_message(const xmit &x);
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/// ack packets based off a bitmask
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void
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ack(uint32_t bitmask);
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bool
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should_send_ack(llarp_time_t now) const;
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bool
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should_resend_frags(llarp_time_t now) const;
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bool
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should_resend_xmit(llarp_time_t now) const;
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bool
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completed() const;
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// template < typename T >
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void
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generate_xmit(sendqueue_t &queue, byte_t flags = 0);
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// template < typename T >
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void
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retransmit_frags(sendqueue_t &queue, byte_t flags = 0);
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bool
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reassemble(std::vector< byte_t > &buffer);
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void
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put_message(llarp_buffer_t buf, const byte_t *hash, uint64_t id,
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uint16_t mtu = 1024);
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void
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put_lastfrag(byte_t *buf, size_t sz);
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bool
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put_frag(byte_t fragno, byte_t *buf);
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};
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