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75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
#ifndef LLARP_DNS_H_
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#define LLARP_DNS_H_
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#include <llarp/ev.h> // for sockaadr
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#include <sys/types.h> // for uint & ssize_t
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#include <map> // for udp DNS tracker
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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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/**
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* dns.h
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*
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* dns client/server
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*/
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//#include <mutex>
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// typedef std::mutex mtx_t;
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// typedef std::lock_guard< mtx_t > lock_t;
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// fwd declr
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// struct dns_query;
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struct dnsc_context;
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struct dnsd_context;
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// struct dnsd_question_request;
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struct dnsc_answer_request;
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// dnsc can work over any UDP socket
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// however we can't ignore udp->user
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// we need to be able to reference the request (being a request or response)
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// bottom line is we can't use udp->user
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// so we'll need to track all incoming and outgoing requests
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struct dns_tracker
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{
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// uint c_responses;
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uint c_requests;
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std::map< uint, dnsc_answer_request * > client_request;
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// FIXME: support multiple dns server contexts
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dnsd_context *dnsd;
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// std::map< uint, dnsd_question_request * > daemon_request;
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};
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// should we pass by llarp::Addr
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// not as long as we're supporting raw
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typedef void (*dnsc_answer_hook_func)(dnsc_answer_request *request);
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struct sockaddr *
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raw_resolve_host(const char *url);
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/// async resolve hostname
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bool
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llarp_resolve_host(struct dnsc_context *dns, const char *url,
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dnsc_answer_hook_func resolved, void *user);
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void
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llarp_host_resolved(dnsc_answer_request *request);
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/*
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// XXX: these should be internal and not exposed
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void
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llarp_handle_recvfrom(struct llarp_udp_io *udp, const struct sockaddr *saddr,
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const void *buf, ssize_t sz);
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void
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raw_handle_recvfrom(int *sockfd, const struct sockaddr *saddr, const void
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*buf, ssize_t sz);
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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