X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fpipe.cpp;fp=source%2Fpipe.cpp;h=0000000000000000000000000000000000000000;hp=b3735aa63b6d43a7724aaa13d1109ce96a78b0d2;hb=6e0fd758970bcb5bad5e3f2454b694cc4d7b4b66;hpb=b97d4e9f86e90254ab9edef7ee62a910f6333c78

diff --git a/source/pipe.cpp b/source/pipe.cpp
deleted file mode 100644
index b3735aa..0000000
--- a/source/pipe.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-#ifndef WIN32
-#include <fcntl.h>
-#include <errno.h>
-#endif
-#include <msp/strings/formatter.h>
-#include "pipe.h"
-
-using namespace std;
-
-namespace Msp {
-namespace IO {
-
-Pipe::Pipe()
-{
-#ifdef WIN32
-	string name = format("\\\\.\\pipe\\%u.%p", GetCurrentProcessId(), this);
-	handle[0] = CreateNamedPipe(name.c_str(), PIPE_ACCESS_INBOUND|FILE_FLAG_OVERLAPPED, PIPE_TYPE_BYTE, 1, 1024, 1024, 0, 0);
-	if(handle[0]==INVALID_HANDLE_VALUE)
-		throw SystemError("Unable to create pipe", GetLastError());
-
-	handle[1] = CreateFile(name.c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
-	if(handle[1]==INVALID_HANDLE_VALUE)
-	{
-		unsigned err = GetLastError();
-		CloseHandle(handle[0]);
-		throw SystemError("Unable to create pipe", err);
-	}
-
-	overlapped = 0;
-	event = CreateEvent(0, true, false, 0);
-	buf_size = 1024;
-	buffer = new char[buf_size];
-	buf_avail = 0;
-	buf_next = buffer;
-#else
-	if(pipe(handle)==-1)
-		throw SystemError("Unable to create pipe", errno);
-#endif
-
-	set_events(P_INPUT);
-}
-
-Pipe::~Pipe()
-{
-	close();
-}
-
-void Pipe::close()
-{
-	set_events(P_NONE);
-
-	signal_flush_required.emit();
-#ifdef WIN32
-	CloseHandle(handle[0]);
-	CloseHandle(handle[1]);
-#else
-	::close(handle[0]);
-	::close(handle[1]);
-	signal_closed.emit();
-#endif
-}
-
-void Pipe::set_block(bool b)
-{
-	mode = (mode&~M_NONBLOCK);
-	if(b)
-		mode = (mode|M_NONBLOCK);
-
-#ifndef WIN32
-	int flags = fcntl(handle[0], F_GETFD);
-	fcntl(handle[0], F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK));
-	flags = fcntl(handle[1], F_GETFD);
-	fcntl(handle[1], F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK));
-#endif
-}
-
-unsigned Pipe::do_write(const char *buf, unsigned size)
-{
-	if(size==0)
-		return 0;
-
-#ifdef WIN32
-	DWORD ret;
-	if(!WriteFile(handle[1], buf, size, &ret, 0))
-		throw SystemError("Writing to pipe failed", GetLastError());
-#else
-	int ret = ::write(handle[1], buf, size);
-	if(ret==-1)
-	{
-		if(errno==EAGAIN)
-			return 0;
-		else
-			throw SystemError("Writing to pipe failed", errno);
-	}
-#endif
-
-	return ret;
-}
-
-unsigned Pipe::do_read(char *buf, unsigned size)
-{
-	if(size==0)
-		return 0;
-
-#ifdef WIN32
-	// Initiate overlapped read if needed
-	get_event_handle();
-
-	if(overlapped)
-	{
-		DWORD ret;
-		if(!GetOverlappedResult(handle[0], overlapped, &ret, !buf_avail))
-			throw SystemError("Reading from pipe failed", GetLastError());
-		else
-		{
-			buf_avail += ret;
-			delete overlapped;
-			overlapped = 0;
-		}
-	}
-
-	unsigned ret = min(buf_avail, size);
-	memcpy(buf, buf_next, ret);
-	buf_next += ret;
-	buf_avail -= ret;
-
-	// Initiate another overlapped read in case someone is polling us
-	get_event_handle();
-#else
-	int ret = ::read(handle[0], buf, size);
-	if(ret==-1)
-	{
-		if(errno==EAGAIN)
-			return 0;
-		else
-			throw SystemError("Reading from pipe failed", errno);
-	}
-#endif
-
-	if(ret==0)
-	{
-		eof_flag = true;
-		signal_end_of_file.emit();
-	}
-
-	return ret;
-}
-
-Handle Pipe::get_event_handle()
-{
-#ifdef WIN32
-	if(!overlapped && !buf_avail)
-	{
-		overlapped = new OVERLAPPED;
-		memset(overlapped, 0, sizeof(OVERLAPPED));
-		overlapped->hEvent = event;
-
-		DWORD ret;
-		buf_next = buffer;
-		if(!ReadFile(handle[0], buffer, buf_size, &ret, overlapped))
-		{
-			unsigned err = GetLastError();
-			if(err!=ERROR_IO_PENDING)
-				throw SystemError("Failed to start an overlapped read", err);
-		}
-		else
-		{
-			buf_avail = ret;
-			delete overlapped;
-			overlapped = 0;
-			SetEvent(event);
-		}
-	}
-
-	return event;
-#else
-	return handle[0];
-#endif
-}
-
-} // namespace IO
-} // namespace Msp