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