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/* Operations on network stuff.
Copyright (C) 2018-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_NETSTUFF_H
#define COMMON_NETSTUFF_H
#include <string>
/* Like NI_MAXHOST/NI_MAXSERV, but enough for numeric forms. */
#define GDB_NI_MAX_ADDR 64
#define GDB_NI_MAX_PORT 16
/* Helper class to guarantee that we always call 'freeaddrinfo'. */
class scoped_free_addrinfo
{
public:
/* Default constructor. */
explicit scoped_free_addrinfo (struct addrinfo *ainfo)
: m_res (ainfo)
{
}
/* Destructor responsible for free'ing M_RES by calling
'freeaddrinfo'. */
~scoped_free_addrinfo ();
DISABLE_COPY_AND_ASSIGN (scoped_free_addrinfo);
private:
/* The addrinfo resource. */
struct addrinfo *m_res;
};
/* The struct we return after parsing the connection spec. */
struct parsed_connection_spec
{
/* The hostname. */
std::string host_str;
/* The port, if any. */
std::string port_str;
};
/* Parse SPEC (which is a string in the form of "ADDR:PORT") and
return a 'parsed_connection_spec' structure with the proper fields
filled in. Also adjust HINT accordingly. */
extern parsed_connection_spec
parse_connection_spec_without_prefix (std::string spec,
struct addrinfo *hint);
/* Parse SPEC (which is a string in the form of
"[tcp[6]:|udp[6]:]ADDR:PORT") and return a 'parsed_connection_spec'
structure with the proper fields filled in. Also adjust HINT
accordingly. */
extern parsed_connection_spec parse_connection_spec (const char *spec,
struct addrinfo *hint);
#endif /* COMMON_NETSTUFF_H */
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