mirror of https://github.com/oxen-io/lokinet
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
#ifndef LOKINET_H
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#define LOKINET_H
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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struct lokinet_context;
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/// allocate a new lokinet context
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struct lokinet_context*
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lokinet_context_new();
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/// free a context allocated by lokinet_context_new
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void
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lokinet_context_free(struct lokinet_context*);
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/// spawn all the threads needed for operation and start running
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void
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lokinet_context_start(struct lokinet_context*);
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/// stop all operations on this lokinet context
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void
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lokinet_context_stop(struct lokinet_context*);
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/// get default lokinet context
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/// does not need to be freed by lokinet_context_free
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struct lokinet_context*
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lokinet_default();
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/// the result of a lokinet stream mapping attempt
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struct lokinet_stream_result
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{
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/// set to zero on success otherwise the error that happened
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/// use strerror(3) to get printable string of this error
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int errno;
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/// the local ip address we mapped the remote endpoint to
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char* local_address;
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/// the local port we mapped the remote endpoint to
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int local_port;
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};
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/// connect out to a remote endpoint
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/// remote is in the form of "name:port"
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/// returns NULL if context was NULL or not started
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/// returns a free()-able lokinet_stream_result * that contains the result
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struct lokinet_stream_result*
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lokinet_outbound_stream(const char* remote, struct lokinet_context* context);
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/// stream accept filter determines if we should accept a stream or not
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/// return 0 to accept
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/// return -1 to explicitly reject
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/// return -2 to silently drop
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typedef int (*lokinet_stream_filter)(const char*, uint16_t, struct sockaddr* const, void*);
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/// set stream accepter filter
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/// passes user parameter into stream filter as void *
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void
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lokinet_inbound_stream_filter(
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lokinet_stream_filter acceptFilter, void* user, struct lokinet_context* context);
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/// simple stream acceptor
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/// simple variant of lokinet_inbound_stream_filter that maps port to localhost:port
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void
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lokinet_inbound_stream(uint16_t port, struct lokinet_context* context);
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#ifdef __cplusplus
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}
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#endif
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#endif
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