Diffstat (limited to 'library/qcopenvelope_qws.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | library/qcopenvelope_qws.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/library/qcopenvelope_qws.cpp b/library/qcopenvelope_qws.cpp index 8f58787..63efb13 100644 --- a/library/qcopenvelope_qws.cpp +++ b/library/qcopenvelope_qws.cpp | |||
@@ -1,145 +1,145 @@ | |||
1 | /********************************************************************** | 1 | /********************************************************************** |
2 | ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. | 2 | ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. |
3 | ** | 3 | ** |
4 | ** This file is part of the Qtopia Environment. | 4 | ** This file is part of the Qtopia Environment. |
5 | ** | 5 | ** |
6 | ** This file may be distributed and/or modified under the terms of the | 6 | ** This file may be distributed and/or modified under the terms of the |
7 | ** GNU General Public License version 2 as published by the Free Software | 7 | ** GNU General Public License version 2 as published by the Free Software |
8 | ** Foundation and appearing in the file LICENSE.GPL included in the | 8 | ** Foundation and appearing in the file LICENSE.GPL included in the |
9 | ** packaging of this file. | 9 | ** packaging of this file. |
10 | ** | 10 | ** |
11 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | 11 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE |
12 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | 12 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
13 | ** | 13 | ** |
14 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. | 14 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. |
15 | ** | 15 | ** |
16 | ** Contact info@trolltech.com if any conditions of this licensing are | 16 | ** Contact info@trolltech.com if any conditions of this licensing are |
17 | ** not clear to you. | 17 | ** not clear to you. |
18 | ** | 18 | ** |
19 | **********************************************************************/ | 19 | **********************************************************************/ |
20 | 20 | ||
21 | #ifndef QT_NO_COP | 21 | #ifndef QT_NO_COP |
22 | #include "qcopenvelope_qws.h" | 22 | #include "qcopenvelope_qws.h" |
23 | #endif | 23 | #endif |
24 | #include <qbuffer.h> | 24 | #include <qbuffer.h> |
25 | #include <qfile.h> | 25 | #include <qfile.h> |
26 | #include <unistd.h> | 26 | #include <unistd.h> |
27 | #include <errno.h> | 27 | #include <errno.h> |
28 | #include <sys/file.h> | 28 | #include <sys/file.h> |
29 | #include <sys/types.h> | 29 | #include <sys/types.h> |
30 | #include <sys/stat.h> | 30 | #include <sys/stat.h> |
31 | #include <time.h> | 31 | #include <time.h> |
32 | 32 | ||
33 | #ifndef QT_NO_COP | 33 | #ifndef QT_NO_COP |
34 | 34 | ||
35 | /*! | 35 | /*! |
36 | \class QCopEnvelope qcopenvelope_qws.h | 36 | \class QCopEnvelope qcopenvelope_qws.h |
37 | \brief The QCopEnvelope class encapsulates and sends QCop messages | 37 | \brief The QCopEnvelope class encapsulates and sends QCop messages |
38 | over QCopChannels. | 38 | over QCopChannels. |
39 | 39 | ||
40 | QCop messages allow applications to communicate with each other. | 40 | QCop messages allow applications to communicate with each other. |
41 | These messages are sent using QCopEnvelope, and received by connecting | 41 | These messages are sent using QCopEnvelope, and received by connecting |
42 | to a QCopChannel. | 42 | to a QCopChannel. |
43 | 43 | ||
44 | To send a message, use the following protocol: | 44 | To send a message, use the following protocol: |
45 | 45 | ||
46 | \code | 46 | \code |
47 | QCopEnvelope e(channelname, messagename); | 47 | QCopEnvelope e(channelname, messagename); |
48 | e << parameter1 << parameter2 << ...; | 48 | e << parameter1 << parameter2 << ...; |
49 | \endcode | 49 | \endcode |
50 | 50 | ||
51 | For messages without parameters, simply use: | 51 | For messages without parameters, simply use: |
52 | 52 | ||
53 | \code | 53 | \code |
54 | QCopEnvelope e(channelname, messagename); | 54 | QCopEnvelope e(channelname, messagename); |
55 | \endcode | 55 | \endcode |
56 | 56 | ||
57 | (Do not try to simplify this further as it may confuse some | 57 | (Do not try to simplify this further as it may confuse some |
58 | compilers.) | 58 | compilers.) |
59 | 59 | ||
60 | The \c{channelname} of channels within Qtopia all start with "QPE/". | 60 | The \c{channelname} of channels within Qtopia all start with "QPE/". |
61 | The \c{messagename} is a function identifier followed by a list of types | 61 | The \c{messagename} is a function identifier followed by a list of types |
62 | in parentheses. There is no whitespace in the message name. | 62 | in parentheses. There is no whitespace in the message name. |
63 | 63 | ||
64 | To receive a message, you will generally just use your application's | 64 | To receive a message, you will generally just use your application's |
65 | predefined QPE/Application/\e{appname} channel | 65 | predefined QPE/Application/\e{appname} channel |
66 | (see QPEApplication::appMessage()), but you can make another channel | 66 | (see QPEApplication::appMessage()), but you can make another channel |
67 | and connect it to a slot like this: | 67 | and connect it to a slot like this: |
68 | 68 | ||
69 | \code | 69 | \code |
70 | myChannel = new QCopChannel( "QPE/FooBar", this ); | 70 | myChannel = new QCopChannel( "QPE/FooBar", this ); |
71 | connect( myChannel, SIGNAL(received(const QCString &, const QByteArray &)), | 71 | connect( myChannel, SIGNAL(received(const QCString&,const QByteArray&)), |
72 | this, SLOT(fooBarMessage( const QCString &, const QByteArray &)) ); | 72 | this, SLOT(fooBarMessage(const QCString&,const QByteArray&)) ); |
73 | \endcode | 73 | \endcode |
74 | 74 | ||
75 | See also, the \link qcop.html list of Qtopia messages\endlink. | 75 | See also, the \link qcop.html list of Qtopia messages\endlink. |
76 | */ | 76 | */ |
77 | 77 | ||
78 | /*! | 78 | /*! |
79 | Constructs a QCopEnvelope that will write \a message to \a channel. | 79 | Constructs a QCopEnvelope that will write \a message to \a channel. |
80 | If \a message has parameters, you must then use operator<<() to | 80 | If \a message has parameters, you must then use operator<<() to |
81 | add these parameters to the envelope. | 81 | add these parameters to the envelope. |
82 | */ | 82 | */ |
83 | QCopEnvelope::QCopEnvelope( const QCString& channel, const QCString& message ) : | 83 | QCopEnvelope::QCopEnvelope( const QCString& channel, const QCString& message ) : |
84 | QDataStream(new QBuffer), | 84 | QDataStream(new QBuffer), |
85 | ch(channel), msg(message) | 85 | ch(channel), msg(message) |
86 | { | 86 | { |
87 | device()->open(IO_WriteOnly); | 87 | device()->open(IO_WriteOnly); |
88 | } | 88 | } |
89 | 89 | ||
90 | /*! | 90 | /*! |
91 | Writes the message and then destroys the QCopEnvelope. | 91 | Writes the message and then destroys the QCopEnvelope. |
92 | */ | 92 | */ |
93 | QCopEnvelope::~QCopEnvelope() | 93 | QCopEnvelope::~QCopEnvelope() |
94 | { | 94 | { |
95 | QByteArray data = ((QBuffer*)device())->buffer(); | 95 | QByteArray data = ((QBuffer*)device())->buffer(); |
96 | const int pref=16; | 96 | const int pref=16; |
97 | if ( qstrncmp(ch.data(),"QPE/Application/",pref)==0 ) { | 97 | if ( qstrncmp(ch.data(),"QPE/Application/",pref)==0 ) { |
98 | QString qcopfn("/tmp/qcop-msg-"); | 98 | QString qcopfn("/tmp/qcop-msg-"); |
99 | qcopfn += ch.mid(pref); | 99 | qcopfn += ch.mid(pref); |
100 | QFile qcopfile(qcopfn); | 100 | QFile qcopfile(qcopfn); |
101 | 101 | ||
102 | if ( qcopfile.open(IO_WriteOnly | IO_Append) ) { | 102 | if ( qcopfile.open(IO_WriteOnly | IO_Append) ) { |
103 | #ifndef Q_OS_WIN32 | 103 | #ifndef Q_OS_WIN32 |
104 | if(flock(qcopfile.handle(), LOCK_EX)) { | 104 | if(flock(qcopfile.handle(), LOCK_EX)) { |
105 | /* some error occurred */ | 105 | /* some error occurred */ |
106 | qWarning(QString("Failed to obtain file lock on %1 (%2)") | 106 | qWarning(QString("Failed to obtain file lock on %1 (%2)") |
107 | .arg(qcopfn).arg( errno )); | 107 | .arg(qcopfn).arg( errno )); |
108 | } | 108 | } |
109 | #endif | 109 | #endif |
110 | { | 110 | { |
111 | QDataStream ds(&qcopfile); | 111 | QDataStream ds(&qcopfile); |
112 | ds << ch << msg << data; | 112 | ds << ch << msg << data; |
113 | qcopfile.flush(); | 113 | qcopfile.flush(); |
114 | #ifndef Q_OS_WIN32 | 114 | #ifndef Q_OS_WIN32 |
115 | flock(qcopfile.handle(), LOCK_UN); | 115 | flock(qcopfile.handle(), LOCK_UN); |
116 | #endif | 116 | #endif |
117 | qcopfile.close(); | 117 | qcopfile.close(); |
118 | } | 118 | } |
119 | 119 | ||
120 | QByteArray b; | 120 | QByteArray b; |
121 | QDataStream stream(b, IO_WriteOnly); | 121 | QDataStream stream(b, IO_WriteOnly); |
122 | stream << QString(ch.mid(pref)); | 122 | stream << QString(ch.mid(pref)); |
123 | QCopChannel::send("QPE/Server", "processQCop(QString)", b); | 123 | QCopChannel::send("QPE/Server", "processQCop(QString)", b); |
124 | delete device(); | 124 | delete device(); |
125 | return; | 125 | return; |
126 | } else { | 126 | } else { |
127 | qWarning(QString("Failed to open file %1") | 127 | qWarning(QString("Failed to open file %1") |
128 | .arg(qcopfn)); | 128 | .arg(qcopfn)); |
129 | } // endif open | 129 | } // endif open |
130 | } | 130 | } |
131 | else if (qstrncmp(ch.data(), "QPE/SOAP/", 9) == 0) { | 131 | else if (qstrncmp(ch.data(), "QPE/SOAP/", 9) == 0) { |
132 | // If this is a message that should go along the SOAP channel, we move the | 132 | // If this is a message that should go along the SOAP channel, we move the |
133 | // endpoint URL to the data section. | 133 | // endpoint URL to the data section. |
134 | QString endpoint = ch.mid(9); | 134 | QString endpoint = ch.mid(9); |
135 | 135 | ||
136 | ch = "QPE/SOAP"; | 136 | ch = "QPE/SOAP"; |
137 | // Since byte arrays are explicitly shared, this is appended to the data variable.. | 137 | // Since byte arrays are explicitly shared, this is appended to the data variable.. |
138 | *this << endpoint; | 138 | *this << endpoint; |
139 | } | 139 | } |
140 | 140 | ||
141 | QCopChannel::send(ch,msg,data); | 141 | QCopChannel::send(ch,msg,data); |
142 | delete device(); | 142 | delete device(); |
143 | } | 143 | } |
144 | 144 | ||
145 | #endif | 145 | #endif |