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https://github.com/oxen-io/lokinet
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71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#ifndef LLARP_DHT_H_
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#define LLARP_DHT_H_
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#include <llarp/buffer.h>
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#include <llarp/router.h>
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/**
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* dht.h
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*
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* DHT functions
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*/
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struct llarp_dht_context;
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/// allocator
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struct llarp_dht_context*
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llarp_dht_context_new(struct llarp_router* parent);
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/// deallocator
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void
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llarp_dht_context_free(struct llarp_dht_context* dht);
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struct llarp_dht_msg;
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/// handler function
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/// f(outmsg, inmsg)
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/// returns true if outmsg has been filled otherwise returns false
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typedef bool (*llarp_dht_msg_handler)(struct llarp_dht_msg*,
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struct llarp_dht_msg*);
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/// start dht context with our location in keyspace
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void
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llarp_dht_context_start(struct llarp_dht_context* ctx, const byte_t* key);
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// override dht message handler with custom handler
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void
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llarp_dht_set_msg_handler(struct llarp_dht_context* ctx,
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llarp_dht_msg_handler func);
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struct llarp_router_lookup_job;
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typedef void (*llarp_router_lookup_handler)(struct llarp_router_lookup_job*);
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struct llarp_router_lookup_job
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{
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/// can be anything but usually a class context for hook
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void* user;
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llarp_router_lookup_handler hook;
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struct llarp_dht_context* dht;
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byte_t target[PUBKEYSIZE];
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bool found;
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struct llarp_rc result;
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};
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/// start allowing dht participation on a context
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void
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llarp_dht_allow_transit(struct llarp_dht_context* ctx);
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/// put router as a dht peer
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void
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llarp_dht_put_peer(struct llarp_dht_context* ctx, struct llarp_rc* rc);
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/// remove router from tracked dht peer list
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void
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llarp_dht_remove_peer(struct llarp_dht_context* ctx, const byte_t* id);
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void
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llarp_dht_lookup_router(struct llarp_dht_context* ctx,
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struct llarp_router_lookup_job* job);
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#endif
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