Add support for solaris 10 IO Completion Ports, contributed by nenolod

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@6763 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 122 insertions, 0 deletions

diff --git a/src/socketengine_ports.cpp b/src/socketengine_ports.cpp
new file mode 100644
index 000000000..f036a8e10
--- /dev/null
+++ b/src/socketengine_ports.cpp
@@ -0,0 +1,122 @@
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include "exitcodes.h"
+#include <sys/epoll.h>
+#include "socketengine_ports.h"
+
+PortsEngine::PortsEngine(InspIRCd* Instance) : SocketEngine(Instance)
+{
+	EngineHandle = port_create();
+
+	if (EngineHandle == -1)
+	{
+		ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine: %s", strerror(errno));
+		ServerInstance->Log(SPARSE,"ERROR: This is a fatal error, exiting now.");
+		printf("ERROR: Could not initialize socket engine: %s\n", strerror(errno));
+		printf("ERROR: This is a fatal error, exiting now.\n");
+		InspIRCd::Exit(EXIT_STATUS_SOCKETENGINE);
+	}
+	CurrentSetSize = 0;
+}
+
+PortsEngine::~PortsEngine()
+{
+	close(EngineHandle);
+}
+
+bool PortsEngine::AddFd(EventHandler* eh)
+{
+	int fd = eh->GetFd();
+	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+		return false;
+
+	if (GetRemainingFds() <= 1)
+		return false;
+
+	if (ref[fd])
+		return false;
+
+	ref[fd] = eh;
+	port_associate(EngineHandle, PORT_SOURCE_FD, fd, eh->Readable() ? POLLRDNORM : POLLWRNORM, eh);
+
+	ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);
+	CurrentSetSize++;
+	return true;
+}
+
+void PortsEngine::WantWrite(EventHandler* eh)
+{
+	port_associate(EngineHandle, PORT_SOURCE_FD, eh->GetFd(), POLLWRNORM, eh);
+}
+
+bool PortsEngine::DelFd(EventHandler* eh, bool force)
+{
+	int fd = eh->GetFd();
+	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+		return false;
+
+	port_dissociate(EngineHandle, PORT_SOURCE_FD, fd);
+
+	CurrentSetSize--;
+	ref[fd] = NULL;
+
+	ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);
+	return true;
+}
+
+int PortsEngine::GetMaxFds()
+{
+	return MAX_DESCRIPTORS;
+}
+
+int PortsEngine::GetRemainingFds()
+{
+	return MAX_DESCRIPTORS - CurrentSetSize;
+}
+
+int PortsEngine::DispatchEvents()
+{
+	struct timespec poll_time;
+
+	poll_time.tv_sec = 1;
+	poll_time.tv_nsec = 0;
+
+	unsigned int nget = 1; // used to denote a retrieve request.
+	int i = port_getn(EngineHandle, this->events, MAX_DESCRIPTORS, &nget, &poll_time);
+
+	// first handle an error condition
+	if (i == -1)
+		return i;
+
+	for (i = 0; i < nget; i++)
+	{
+		switch (this->events[i].portev_source)
+		{
+		case PORT_SOURCE_FD:
+			int fd = this->events[i].portev_object;
+			ref[fd]->HandleEvent((this->events[i].portev_events & POLLRDNORM) ? EVENT_READ : EVENT_WRITE);
+		default:
+			break;
+		}
+	}
+
+	return i;
+}
+
+std::string PortsEngine::GetName()
+{
+	return "ports";
+}
+