Lookup

Resolve a service string to its corresponding service.

Synopsis

Declared in <netbase.h>

std::vector<CService>
Lookup(
    std::string const& name,
    uint16_t portDefault,
    bool fAllowLookup,
    unsigned int nMaxSolutions,
    DNSLookupFn dns_lookup_function = g_dns_lookup);

Return Value

The resulting services to which the specified service string resolved.

Parameters

Name

Description

name

The string representing a service. Could be a name or a numerical IP address (IPv6 addresses should be in their disambiguated bracketed form), optionally followed by a uint16_t port number. (e.g. example.com:8333 or [2001:db8:85a3:8d3:1319:8a2e:370:7348]:420)

portDefault

The default port for resulting services if not specified by the service string.

fAllowLookup

Whether or not hostname lookups are permitted. If yes, external queries may be performed.

nMaxSolutions

The maximum number of results we want, specifying 0 means "as many solutions as we get."

dns_lookup_function

The resolver used to perform the lookup.

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