LCOV - code coverage report
Current view: top level - cppprocess/cppprocess - io_pipe.cpp (source / functions) Hit Total Coverage
Test: coverage.info Lines: 28 40 70.0 %
Date: 2022-06-18 10:10:36 Functions: 10 13 76.9 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : // Copyright (c) 2013-2022  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/eventdispatcher
       4             : // contact@m2osw.com
       5             : //
       6             : // This program is free software; you can redistribute it and/or modify
       7             : // it under the terms of the GNU General Public License as published by
       8             : // the Free Software Foundation; either version 2 of the License, or
       9             : // (at your option) any later version.
      10             : //
      11             : // This program is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             : // GNU General Public License for more details.
      15             : //
      16             : // You should have received a copy of the GNU General Public License along
      17             : // with this program; if not, write to the Free Software Foundation, Inc.,
      18             : // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      19             : 
      20             : // self
      21             : //
      22             : #include    <cppprocess/io_pipe.h>
      23             : 
      24             : #include    <cppprocess/exception.h>
      25             : 
      26             : 
      27             : // eventdispatcher include
      28             : //
      29             : #include    <eventdispatcher/communicator.h>
      30             : 
      31             : 
      32             : // snapdev include
      33             : //
      34             : #include    <snapdev/not_reached.h>
      35             : 
      36             : 
      37             : // C lib
      38             : //
      39             : #include    <unistd.h>
      40             : 
      41             : 
      42             : // last include
      43             : //
      44             : #include    <snapdev/poison.h>
      45             : 
      46             : 
      47             : 
      48             : namespace cppprocess
      49             : {
      50             : 
      51             : 
      52             : 
      53           7 : io_pipe::io_pipe(io_flags_t flags)
      54             :     : io(flags)
      55           7 :     , pipe_connection(flags_to_pipe_mode(flags))
      56             : {
      57           7 : }
      58             : 
      59             : 
      60           0 : void io_pipe::process_error()
      61             : {
      62           0 :     process_done(done_reason_t::DONE_REASON_ERROR);
      63           0 : }
      64             : 
      65             : 
      66           0 : void io_pipe::process_invalid()
      67             : {
      68           0 :     process_done(done_reason_t::DONE_REASON_INVALID);
      69           0 : }
      70             : 
      71             : 
      72           4 : void io_pipe::process_hup()
      73             : {
      74           4 :     process_done(done_reason_t::DONE_REASON_HUP);
      75           4 : }
      76             : 
      77             : 
      78           0 : int io_pipe::get_fd()
      79             : {
      80           0 :     return get_socket();
      81             : }
      82             : 
      83             : 
      84           7 : int io_pipe::get_other_fd()
      85             : {
      86           7 :     return get_other_socket();
      87             : }
      88             : 
      89             : 
      90           7 : void io_pipe::close_both()
      91             : {
      92           7 :     close();
      93           7 : }
      94             : 
      95             : 
      96           7 : void io_pipe::close_other()
      97             : {
      98           7 :     forked();
      99           7 : }
     100             : 
     101             : 
     102           7 : void io_pipe::process_starting()
     103             : {
     104           7 :     ed::communicator::instance()->add_connection(shared_from_this());
     105           7 : }
     106             : 
     107             : 
     108           7 : bool io_pipe::process_done(done_reason_t reason)
     109             : {
     110           7 :     close_both();
     111           7 :     ed::communicator::instance()->remove_connection(shared_from_this());
     112           7 :     return io::process_done(reason);
     113             : }
     114             : 
     115             : 
     116           7 : ed::pipe_t io_pipe::flags_to_pipe_mode(io_flags_t flags)
     117             : {
     118           7 :     switch(flags & (IO_FLAG_INPUT | IO_FLAG_OUTPUT))
     119             :     {
     120           0 :     case IO_FLAG_INPUT | IO_FLAG_OUTPUT:
     121           0 :         return ed::pipe_t::PIPE_BIDIRECTIONAL;
     122             : 
     123           3 :     case IO_FLAG_INPUT:
     124           3 :         return ed::pipe_t::PIPE_CHILD_INPUT;
     125             : 
     126           4 :     case IO_FLAG_OUTPUT:
     127           4 :         return ed::pipe_t::PIPE_CHILD_OUTPUT;
     128             : 
     129           0 :     default:
     130           0 :         throw cppprocess_invalid_parameters("io_pipe flags must be set to INPUT, OUTPUT, or both; neither is not an available option");
     131             : 
     132             :     }
     133             :     snapdev::NOT_REACHED();
     134             :     return ed::pipe_t::PIPE_BIDIRECTIONAL;
     135             : }
     136             : 
     137             : 
     138             : 
     139           6 : } // namespace cppprocess
     140             : // vim: ts=4 sw=4 et

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