nsapi_error_t NetworkStack::gethostbyname(const char *name, SocketAddress *address, nsapi_version_t version)
{
if (name[0] == '\0') {
return NSAPI_ERROR_PARAMETER;
}
// check for simple ip addresses
if (address->set_ip_address(name)) {
if (version != NSAPI_UNSPEC && address->get_ip_version() != version) {
return NSAPI_ERROR_DNS_FAILURE;
}
return NSAPI_ERROR_OK;
}
// if the version is unspecified, try to guess the version from the
// ip address of the underlying stack
if (version == NSAPI_UNSPEC) {
SocketAddress testaddress;
if (testaddress.set_ip_address(this->get_ip_address())) {
version = testaddress.get_ip_version();
}
}
return nsapi_dns_query(this, name, address, version);
}
// Default NetworkStack operations
int NetworkStack::gethostbyname(SocketAddress *address, const char *name)
{
return nsapi_dns_query(this, address, name);
}
