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Diffstat (limited to 'gdbsupport/netstuff.h')
-rw-r--r-- | gdbsupport/netstuff.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gdbsupport/netstuff.h b/gdbsupport/netstuff.h new file mode 100644 index 0000000..a987d7f --- /dev/null +++ b/gdbsupport/netstuff.h @@ -0,0 +1,76 @@ +/* Operations on network stuff. + Copyright (C) 2018-2020 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 */ |