ok, now at least the structure is better
but there's still a problem with the new mechanism as the size of the data isn't put into the pipe. I need to fix tis before someone could really use it...
This commit is contained in:
parent
f0dcaa239f
commit
9af6f707eb
4 changed files with 52 additions and 39 deletions
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@ -43,6 +43,8 @@ public:
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*/
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void write(const void *buffer, unsigned int nbytes);
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ssize_t read(void *buffer, unsigned int nbytes);
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/*!
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* Simply write one single byte into the pipe. This is a shortcut
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* if there's really no data to transport, but to activate the handler.
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@ -51,12 +53,12 @@ public:
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private:
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void(*_handler)(const void *data, void *buffer, unsigned int nbyte);
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int fd_write;
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int fd_read;
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const void *data;
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int _fd_write;
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int _fd_read;
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const void *_data;
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// allow construction only in BusDispatcher
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Pipe ();
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Pipe (void(*handler)(const void *data, void *buffer, unsigned int nbyte), const void *data);
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~Pipe () {};
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friend class BusDispatcher;
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@ -36,14 +36,14 @@ HEADER_FILES = \
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$(HEADER_DIR)/api.h \
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$(HEADER_DIR)/eventloop.h \
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$(HEADER_DIR)/eventloop-integration.h \
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$(HEADER_DIR)/pipe.h \
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$(GLIB_H) $(ECORE_H)
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lib_includedir=$(includedir)/dbus-c++-1/dbus-c++/
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lib_include_HEADERS = $(HEADER_FILES)
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lib_LTLIBRARIES = libdbus-c++-1.la
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libdbus_c___1_la_SOURCES = $(HEADER_FILES) interface.cpp object.cpp introspection.cpp debug.cpp types.cpp connection.cpp connection_p.h property.cpp dispatcher.cpp dispatcher_p.h pendingcall.cpp pendingcall_p.h error.cpp internalerror.h message.cpp message_p.h server.cpp server_p.h eventloop.cpp eventloop-integration.cpp $(GLIB_CPP) $(ECORE_CPP) \
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pipe.cpp pipe.h
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libdbus_c___1_la_SOURCES = $(HEADER_FILES) interface.cpp object.cpp introspection.cpp debug.cpp types.cpp connection.cpp connection_p.h property.cpp dispatcher.cpp dispatcher_p.h pendingcall.cpp pendingcall_p.h error.cpp internalerror.h message.cpp message_p.h server.cpp server_p.h eventloop.cpp eventloop-integration.cpp pipe.cpp $(GLIB_CPP) $(ECORE_CPP)
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libdbus_c___1_la_LIBADD = $(dbus_LIBS) $(glib_LIBS) $(pthread_LIBS) $(ecore_LIBS)
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libdbus_c___1_la_LDFLAGS = -no-undefined
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@ -25,19 +25,20 @@
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#include <config.h>
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#endif
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#include <string.h>
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/* Project */
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#include <dbus-c++/eventloop-integration.h>
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#include <dbus-c++/debug.h>
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#include <dbus-c++/pipe.h>
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/* DBus */
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#include <dbus/dbus.h>
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/* STD */
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#include <string.h>
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#include <cassert>
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#include <sys/poll.h>
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#include <fcntl.h>
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#include <dbus/dbus.h>
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#include <errno.h>
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#include <cassert>
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using namespace DBus;
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using namespace std;
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@ -97,16 +98,16 @@ void BusDispatcher::enter()
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{
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do_iteration();
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for (std::list <Pipe*>::const_iterator p_it = pipe_list.begin ();
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for (std::list <Pipe*>::iterator p_it = pipe_list.begin ();
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p_it != pipe_list.end ();
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++p_it)
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{
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const Pipe* read_pipe = *p_it;
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Pipe* read_pipe = *p_it;
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char buf;
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char buf_str[1024];
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int i = 0;
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while (read(read_pipe->fd_read, &buf, 1) > 0)
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while (read_pipe->read((void*) &buf, 1) > 0)
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{
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buf_str[i] = buf;
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++i;
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@ -114,7 +115,7 @@ void BusDispatcher::enter()
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if (i > 0)
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{
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read_pipe->_handler (read_pipe->data, buf_str, i);
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read_pipe->_handler (read_pipe->_data, buf_str, i);
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}
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}
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}
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@ -135,24 +136,9 @@ void BusDispatcher::leave()
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Pipe *BusDispatcher::add_pipe(void(*handler)(const void *data, void *buffer, unsigned int nbyte), const void *data)
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{
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int fd[2];
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Pipe *new_pipe = new Pipe ();
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new_pipe->_handler = handler;
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new_pipe->data = data;
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Pipe *new_pipe = new Pipe (handler, data);
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pipe_list.push_back (new_pipe);
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if (pipe(fd) == 0)
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{
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new_pipe->fd_read = fd[0];
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new_pipe->fd_write = fd[1];
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fcntl(new_pipe->fd_read, F_SETFL, O_NONBLOCK);
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fcntl(new_pipe->fd_write, F_SETFL, O_NONBLOCK);
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}
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else
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{
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throw Error("PipeError:errno", toString(errno).c_str());
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}
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return new_pipe;
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}
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39
src/pipe.cpp
39
src/pipe.cpp
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@ -25,27 +25,52 @@
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#include <config.h>
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#endif
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/* Project */
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#include <dbus-c++/pipe.h>
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#include <dbus-c++/util.h>
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#include <dbus-c++/error.h>
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/* STD */
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#include <unistd.h>
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#include <sys/poll.h>
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#include <fcntl.h>
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#include <errno.h>
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using namespace DBus;
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using namespace std;
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Pipe::Pipe () :
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_handler (NULL),
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fd_write (0),
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fd_read (0),
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data (NULL)
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Pipe::Pipe(void(*handler)(const void *data, void *buffer, unsigned int nbyte), const void *data) :
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_handler(handler),
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_fd_write (0),
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_fd_read (0),
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_data(data)
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{
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int fd[2];
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if(pipe(fd) == 0)
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{
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_fd_read = fd[0];
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_fd_write = fd[1];
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fcntl(_fd_read, F_SETFL, O_NONBLOCK);
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fcntl(_fd_write, F_SETFL, O_NONBLOCK);
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}
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else
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{
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throw Error("PipeError:errno", toString(errno).c_str());
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}
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}
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void Pipe::write(const void *buffer, unsigned int nbytes)
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{
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::write(fd_write, buffer, nbytes);
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::write(_fd_write, buffer, nbytes);
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}
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ssize_t Pipe::read(void *buffer, unsigned int nbytes)
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{
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return ::read(_fd_read, buffer, nbytes);
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}
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void Pipe::signal()
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{
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::write(fd_write, '\0', 1);
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::write(_fd_write, '\0', 1);
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}
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