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* CmdPipe.h |
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* |
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* Frodo (C) 1994-1997,2002-2005 Christian Bauer |
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cebix |
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* |
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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 2 of the License, or |
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* (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 CmdPipe_h |
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#define CmdPipe_h |
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extern "C" { |
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#include <stdio.h> |
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#include <sys/types.h> |
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} |
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class Pipe { |
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protected: |
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int fds[2]; |
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public: |
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bool fail; |
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Pipe(void); |
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Pipe(int fdin, int fdout) : fail(false) { |
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fds[0] = fdin; |
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fds[1] = fdout; |
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} |
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~Pipe(void); |
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unsigned long ewrite(const void * buf, unsigned long len); |
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unsigned long eread (void * buf, unsigned long len); |
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int get_read_fd(void) const { |
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return fds[0]; |
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} |
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int get_write_fd(void) const { |
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return fds[1]; |
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} |
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int probe(void) const; |
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}; |
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class CmdPipe { |
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protected: |
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Pipe tocmd; |
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Pipe fromcmd; |
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int childpid; |
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public: |
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bool fail; |
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CmdPipe(const char * command, const char * arg, int nicediff = 0); |
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~CmdPipe(void); |
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unsigned long ewrite(const void * buf, unsigned long len) { |
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return tocmd.ewrite(buf, len); |
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} |
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unsigned long eread (void * buf, unsigned long len) { |
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return fromcmd.eread(buf, len); |
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} |
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int get_read_fd(void) const { |
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return fromcmd.get_read_fd(); |
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} |
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int get_write_fd(void) const { |
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return tocmd.get_write_fd(); |
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} |
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int probe(void) const { |
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return fromcmd.probe(); |
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} |
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}; |
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#endif // CmdPipe_h |