/usr/include/nuxwdog/wdservermessage.h is in libnuxwdog-dev 1.0.3-3+b2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /* --- BEGIN COPYRIGHT BLOCK ---
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Copyright (C) 2009 Red Hat, Inc.
* All rights reserved.
* --- END COPYRIGHT BLOCK ---
*/
//
// File: wdservermessage.h
//
// Description:
// This header file is used to manage the message traffic
// between the watchdog and server.
//
#ifndef __WDSERVERMESSAGE_H_
#define __WDSERVERMESSAGE_H_
//
// this class encapsulates the access to messages send between the
// watchdog and server processes.
//
// Server requests to watchdog
typedef enum {
wdmsgFirst, // unused
wdmsgGetPWD, // get Password from terminal
wdmsgGetPWDreply, // reply to Password request
wdmsgGetLS, // get Listen Socket, return fd
wdmsgGetLSreply, // reply to Listen Socket request
wdmsgCloseLS, // close Listen Socket
wdmsgCloseLSreply, // reply to close Listen Socket
wdmsgEndInit, // done with server initialization (can clean
// up watchdog and terminal)
wdmsgEndInitreply, // reply to initialization done message
wdmsgSetPIDpath, // get PID path from server
wdmsgSetPIDpathreply, // reply to PID path request
wdmsgRestart, // Admin message to restart servers
wdmsgRestartreply, // reply to Admin message to restart servers
wdmsgTerminate, // clean shut down from server
wdmsgTerminatereply, // reply to server that Terminate received
wdmsgReconfigure, // Admin message to start a reconfiguration
wdmsgReconfigurereply, // reply to Admin reconfig message
wdmsgGetReconfigStatus, // get status from reconfiguration
wdmsgGetReconfigStatusreply, // reply to get status reconfig message
wdmsgReconfigStatus, // status from server from reconfiguration
wdmsgReconfigStatusreply, // reply to status from server
wdmsgReconfigStatusDone, // done sending status from reconfiguration
wdmsgReconfigStatusDonereply, // reply to done sending status
wdmsgEmptyRead, // Empty read receiving msg => closed socket
wdmsgPrintMessage, // print message to terminal
wdmsgPrintMessagereply, // reply to print message to terminal
wdmsgLast // unused
} WDMessages;
#define WDMSGBUFFSIZE 2048
#define WDSOCKETNAME "nuxwdog."
extern int ConnectToWDMessaging (char * UDS_Name);
#ifdef __cplusplus
class wdServerMessage {
public:
// constructor; requires a valid fd as returned from a listener
wdServerMessage(int osFd );
~wdServerMessage(void);
int getLastIOError() { return msgLastError; }
int getNbrWrites() { return msgNbrWrites; }
WDMessages getLastMsgType() { return msgType; }
// These functions are used by the server to talk to the watchdog
//
int SendToWD (WDMessages msgtype, const char * msgstring);
char * RecvFromWD ();
//
// These functions are used by the watchdog to talk to the server
//
int SendToServer (WDMessages msgtype, const char * msgstring);
char * RecvFromServer (int child_security);
// Returns the underlying handle to the socket
int getFD(void) const;
// Sets msgFd to an invalid value so that the descriptor will NOT
// be closed in the destructor
void invalidate(void);
private:
int msgFd; // os fd
int msgLastError; // last errno
int msgNbrWrites; // number of WriteMsgs done
int msgbytesRead; // number of bytes read
int msgNfds; // number of FDs received
char msgbuff[WDMSGBUFFSIZE]; // recvmsg buffer
WDMessages msgType; // Type from last message received
// I/O operations
// these return a boolean indication of whether the
// I/O was successful; if not, the child can be
// considered dead and should be set 'dead' and deleted
//
int recvMsg ( int fdArray[], int fdArraySz, int child_security);
int writeMsg ( const void * buf, size_t writeLen, int * sentLen );
int send_LS_to_Server ( int connfd, WDMessages msg_type, int ls_fd );
};
#endif
#endif // __WDSERVERMESSAGE_H_
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