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| author | Mike Buland <eichlan@xagasoft.com> | 2012-03-25 20:00:08 +0000 |
|---|---|---|
| committer | Mike Buland <eichlan@xagasoft.com> | 2012-03-25 20:00:08 +0000 |
| commit | 469bbcf0701e1eb8a6670c23145b0da87357e178 (patch) | |
| tree | b5b062a16e46a6c5d3410b4e574cd0cc09057211 /src/fifo.cpp | |
| parent | ee1b79396076edc4e30aefb285fada03bb45e80d (diff) | |
| download | libbu++-469bbcf0701e1eb8a6670c23145b0da87357e178.tar.gz libbu++-469bbcf0701e1eb8a6670c23145b0da87357e178.tar.bz2 libbu++-469bbcf0701e1eb8a6670c23145b0da87357e178.tar.xz libbu++-469bbcf0701e1eb8a6670c23145b0da87357e178.zip | |
Code is all reorganized. We're about ready to release. I should write up a
little explenation of the arrangement.
Diffstat (limited to 'src/fifo.cpp')
| -rw-r--r-- | src/fifo.cpp | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/src/fifo.cpp b/src/fifo.cpp deleted file mode 100644 index b0cf1c7..0000000 --- a/src/fifo.cpp +++ /dev/null | |||
| @@ -1,162 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2007-2011 Xagasoft, All rights reserved. | ||
| 3 | * | ||
| 4 | * This file is part of the libbu++ library and is released under the | ||
| 5 | * terms of the license contained in the file LICENSE. | ||
| 6 | */ | ||
| 7 | |||
| 8 | #include "bu/fifo.h" | ||
| 9 | #include <errno.h> | ||
| 10 | #include <sys/types.h> | ||
| 11 | #include <sys/stat.h> | ||
| 12 | #include <fcntl.h> | ||
| 13 | #include <unistd.h> | ||
| 14 | |||
| 15 | #include "bu/config.h" | ||
| 16 | |||
| 17 | namespace Bu { subExceptionDef( FifoException ) } | ||
| 18 | |||
| 19 | Bu::Fifo::Fifo( const Bu::String &sName, int iFlags, mode_t mAcc ) : | ||
| 20 | iFlags( iFlags ), | ||
| 21 | iIn( -1 ), | ||
| 22 | iOut( -1 ) | ||
| 23 | { | ||
| 24 | #ifndef WIN32 | ||
| 25 | if( iFlags&Create ) | ||
| 26 | { | ||
| 27 | if( mkfifo( sName.getStr(), mAcc ) ) | ||
| 28 | { | ||
| 29 | throw FifoException("Error creating fifo: %s\n", strerror( errno ) ); | ||
| 30 | } | ||
| 31 | } | ||
| 32 | if( iFlags&Read ) | ||
| 33 | { | ||
| 34 | iIn = ::open( | ||
| 35 | sName.getStr(), | ||
| 36 | O_RDONLY|((iFlags&NonBlock)?O_NONBLOCK:0) | ||
| 37 | ); | ||
| 38 | } | ||
| 39 | if( iFlags&Write ) | ||
| 40 | { | ||
| 41 | iOut = ::open( | ||
| 42 | sName.getStr(), | ||
| 43 | O_WRONLY | ||
| 44 | ); | ||
| 45 | } | ||
| 46 | #else | ||
| 47 | #warning Bu::Fifo::Fifo IS A STUB for WIN32!!!! | ||
| 48 | #endif | ||
| 49 | } | ||
| 50 | |||
| 51 | Bu::Fifo::~Fifo() | ||
| 52 | { | ||
| 53 | close(); | ||
| 54 | } | ||
| 55 | |||
| 56 | void Bu::Fifo::close() | ||
| 57 | { | ||
| 58 | if( iIn > -1 ) | ||
| 59 | { | ||
| 60 | ::close( iIn ); | ||
| 61 | iIn = -1; | ||
| 62 | } | ||
| 63 | if( iOut > -1 ) | ||
| 64 | { | ||
| 65 | ::close( iOut ); | ||
| 66 | iOut = -1; | ||
| 67 | } | ||
| 68 | } | ||
| 69 | |||
| 70 | Bu::size Bu::Fifo::read( void *pBuf, Bu::size nBytes ) | ||
| 71 | { | ||
| 72 | if( iIn < 0 ) | ||
| 73 | throw FifoException("Fifo not open for reading."); | ||
| 74 | |||
| 75 | return TEMP_FAILURE_RETRY( ::read( iIn, pBuf, nBytes ) ); | ||
| 76 | } | ||
| 77 | |||
| 78 | Bu::size Bu::Fifo::write( const void *pBuf, Bu::size nBytes ) | ||
| 79 | { | ||
| 80 | if( iOut < 0 ) | ||
| 81 | throw FifoException("Fifo not open for writing."); | ||
| 82 | |||
| 83 | return TEMP_FAILURE_RETRY( ::write( iOut, pBuf, nBytes ) ); | ||
| 84 | } | ||
| 85 | |||
| 86 | Bu::size Bu::Fifo::tell() | ||
| 87 | { | ||
| 88 | return -1; | ||
| 89 | } | ||
| 90 | |||
| 91 | void Bu::Fifo::seek( Bu::size ) | ||
| 92 | { | ||
| 93 | } | ||
| 94 | |||
| 95 | void Bu::Fifo::setPos( Bu::size ) | ||
| 96 | { | ||
| 97 | } | ||
| 98 | |||
| 99 | void Bu::Fifo::setPosEnd( Bu::size ) | ||
| 100 | { | ||
| 101 | } | ||
| 102 | |||
| 103 | bool Bu::Fifo::isEos() | ||
| 104 | { | ||
| 105 | return false; | ||
| 106 | } | ||
| 107 | |||
| 108 | bool Bu::Fifo::canRead() | ||
| 109 | { | ||
| 110 | return (iIn>-1); | ||
| 111 | } | ||
| 112 | |||
| 113 | bool Bu::Fifo::canWrite() | ||
| 114 | { | ||
| 115 | return (iOut>-1); | ||
| 116 | } | ||
| 117 | |||
| 118 | bool Bu::Fifo::isReadable() | ||
| 119 | { | ||
| 120 | return (iIn>-1); | ||
| 121 | } | ||
| 122 | |||
| 123 | bool Bu::Fifo::isWritable() | ||
| 124 | { | ||
| 125 | return (iOut>-1); | ||
| 126 | } | ||
| 127 | |||
| 128 | bool Bu::Fifo::isSeekable() | ||
| 129 | { | ||
| 130 | return false; | ||
| 131 | } | ||
| 132 | |||
| 133 | bool Bu::Fifo::isBlocking() | ||
| 134 | { | ||
| 135 | #ifndef WIN32 | ||
| 136 | return ((fcntl( iIn, F_GETFL, 0 )&O_NONBLOCK) == O_NONBLOCK); | ||
| 137 | #else | ||
| 138 | #warning Bu::Fifo::isBlocking IS A STUB for WIN32!!!! | ||
| 139 | #endif | ||
| 140 | } | ||
| 141 | |||
| 142 | void Bu::Fifo::setBlocking( bool bBlocking ) | ||
| 143 | { | ||
| 144 | #ifndef WIN32 | ||
| 145 | if( bBlocking ) | ||
| 146 | fcntl( iIn, F_SETFL, fcntl( iIn, F_GETFL, 0 )&(~O_NONBLOCK) ); | ||
| 147 | else | ||
| 148 | fcntl( iIn, F_SETFL, fcntl( iIn, F_GETFL, 0 )|O_NONBLOCK ); | ||
| 149 | #else | ||
| 150 | #warning Bu::Fifo::setBlocking IS A STUB for WIN32!!!! | ||
| 151 | #endif | ||
| 152 | } | ||
| 153 | |||
| 154 | void Bu::Fifo::flush() | ||
| 155 | { | ||
| 156 | } | ||
| 157 | |||
| 158 | bool Bu::Fifo::isOpen() | ||
| 159 | { | ||
| 160 | return (iIn > -1) || (iOut > -1); | ||
| 161 | } | ||
| 162 | |||
