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46bd4d0047
when they're closed to prevent attempting to write replies to the wrong device should the socket be reopened.
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2005 - 2013 by Eric House (xwords@eehouse.org). All rights
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* reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _ADDRINFO_H_
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#define _ADDRINFO_H_
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#include <netinet/in.h>
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#include <string.h>
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#include <assert.h>
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class AddrInfo {
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public:
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typedef uint32_t ClientToken;
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typedef union _AddrUnion {
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struct sockaddr addr;
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struct sockaddr_in addr_in;
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} AddrUnion;
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/* Those constructed without params are only valid after another copied on
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top of it */
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AddrInfo() {
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m_isValid = false;
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}
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AddrInfo( int socket, const AddrUnion* saddr, bool isTCP ) {
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construct( socket, saddr, isTCP );
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}
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AddrInfo( int socket, ClientToken clientToken, const AddrUnion* saddr ) {
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init( socket, clientToken, saddr );
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}
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void init( int socket, ClientToken clientToken, const AddrUnion* saddr ) {
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construct( socket, saddr, false );
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m_clientToken = clientToken;
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}
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void setIsTCP( bool val ) { m_isTCP = val; }
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bool isTCP() const { return m_isTCP; } /* later UDP will be here too */
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int socket() const { assert(m_isValid); return m_socket; }
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void invalSocket() { m_socket = -1; }
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ClientToken clientToken() const { assert(m_isValid); return m_clientToken; }
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struct in_addr sin_addr() const { return m_saddr.addr_in.sin_addr; }
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const struct sockaddr* sockaddr() const { assert(m_isValid); return &m_saddr.addr; }
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const AddrUnion* saddr() const { assert(m_isValid); return &m_saddr; }
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bool equals( const AddrInfo& other ) const;
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private:
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void construct( int socket, const AddrUnion* saddr, bool isTCP ) {
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memset( this, 0, sizeof(*this) );
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m_socket = socket;
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m_isTCP = isTCP;
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memcpy( &m_saddr, saddr, sizeof(m_saddr) );
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m_isValid = true;
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}
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// AddrInfo& operator=(const AddrInfo&); // Prevent assignment
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int m_socket;
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bool m_isTCP;
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bool m_isValid;
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ClientToken m_clientToken; /* must be 32 bit */
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AddrUnion m_saddr;
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};
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#endif
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