Add reachable framework for determining TCP connections

opal/mca/reachable/Makefile.am

@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2014      Intel, Inc.  All rights reserved.
+# $COPYRIGHT$
+#
+# Additional copyrights may follow
+#
+# $HEADER$
+#
+
+AM_CPPFLAGS = $(LTDLINCL) $(reachable_CPPFLAGS)
+
+# main library setup
+noinst_LTLIBRARIES = libmca_reachable.la
+libmca_reachable_la_SOURCES =
+
+# pkgdata setup
+dist_opaldata_DATA =
+
+# local files
+headers = reachable.h
+libmca_reachable_la_SOURCES += $(headers)
+
+# Conditionally install the header files
+if WANT_INSTALL_HEADERS
+opaldir = $(opalincludedir)/$(subdir)
+nobase_opal_HEADERS = $(headers)
+endif
+
+include base/Makefile.am
+
+distclean-local:
+	rm -f base/static-components.h

opal/mca/reachable/base/Makefile.am

@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2010      Cisco Systems, Inc.  All rights reserved.
+# Copyright (c) 2012-2013 Los Alamos National Security, Inc.  All rights reserved.
+# Copyright (c) 2014      Intel, Inc. All rights reserved.
+# $COPYRIGHT$
+#
+# Additional copyrights may follow
+#
+# $HEADER$
+#
+
+headers += \
+	base/base.h
+
+libmca_reachable_la_SOURCES += \
+	base/reachable_base_frame.c \
+	base/reachable_base_select.c

opal/mca/reachable/base/base.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2014      Intel, Inc. All rights reserved.
+ * $COPYRIGHT$
+ *
+ * Additional copyrights may follow
+ *
+ * $HEADER$
+ */
+/** @file:
+ */
+
+#ifndef MCA_REACHABLE_BASE_H
+#define MCA_REACHABLE_BASE_H
+
+#include "opal_config.h"
+#include "opal/types.h"
+
+#include "opal/mca/mca.h"
+#include "opal/mca/base/mca_base_framework.h"
+
+#include "opal/mca/reachable/reachable.h"
+
+BEGIN_C_DECLS
+
+OPAL_DECLSPEC extern mca_base_framework_t opal_reachable_base_framework;
+
+/**
+ * Select a reachable module
+ */
+OPAL_DECLSPEC int opal_reachable_base_select(void);
+
+END_C_DECLS
+
+#endif

opal/mca/reachable/base/reachable_base_frame.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2014      Intel, Inc. All rights reserved.
+ * $COPYRIGHT$
+ *
+ * Additional copyrights may follow
+ *
+ * $HEADER$
+ */
+
+
+#include "opal_config.h"
+#include "opal/constants.h"
+
+#include "opal/mca/mca.h"
+#include "opal/util/output.h"
+#include "opal/mca/base/base.h"
+
+#include "opal/mca/reachable/base/base.h"
+
+
+/*
+ * The following file was created by configure.  It contains extern
+ * components and the definition of an array of pointers to each
+ * module's public mca_base_module_t struct.
+ */
+
+#include "opal/mca/reachable/base/static-components.h"
+
+opal_reachable_base_module_t opal_reachable;
+
+static int opal_reachable_base_frame_register(mca_base_register_flag_t flags)
+{
+    return OPAL_SUCCESS;
+}
+
+static int opal_reachable_base_frame_close(void)
+{
+    return mca_base_framework_components_close(&opal_reachable_base_framework, NULL);
+}
+
+static int opal_reachable_base_frame_open(mca_base_open_flag_t flags)
+{
+    /* Open up all available components */
+    return mca_base_framework_components_open(&opal_reachable_base_framework, flags);
+}
+
+MCA_BASE_FRAMEWORK_DECLARE(opal, reachable, "OPAL Reachability Framework",
+                           opal_reachable_base_frame_register,
+                           opal_reachable_base_frame_open,
+                           opal_reachable_base_frame_close,
+                           mca_reachable_base_static_components, 0);

opal/mca/reachable/base/reachable_base_select.c

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2014      Intel, Inc. All rights reserved.
+ * $COPYRIGHT$
+ *
+ * Additional copyrights may follow
+ *
+ * $HEADER$
+ */
+
+
+#include "opal_config.h"
+
+#include "opal/constants.h"
+#include "opal/mca/mca.h"
+#include "opal/mca/base/base.h"
+#include "opal/mca/reachable/reachable.h"
+#include "opal/mca/reachable/base/base.h"
+
+/*
+ * Globals
+ */
+
+int opal_reachable_base_select(void)
+{
+    int ret;
+    opal_reachable_base_component_t *best_component = NULL;
+    opal_reachable_base_module_t *best_module = NULL;
+
+    /*
+     * Select the best component
+     */
+    if( OPAL_SUCCESS != mca_base_select("reachable", opal_reachable_base_framework.framework_output,
+                                        &opal_reachable_base_framework.framework_components,
+                                        (mca_base_module_t **) &best_module,
+                                        (mca_base_component_t **) &best_component) ) {
+        /* notify caller that no available component found */
+        return OPAL_ERR_NOT_FOUND;
+    }
+
+    /* Save the winner */
+    opal_reachable = *best_module;
+
+    /* Initialize the winner */
+    ret = opal_reachable.init();
+
+    return ret;
+}

opal/mca/reachable/netlink/Makefile.am

@@ -0,0 +1,44 @@
+#
+# Copyright (c) 2015 Cisco Systems, Inc.  All rights reserved.
+# $COPYRIGHT$
+#
+# Additional copyrights may follow
+#
+# $HEADER$
+#
+
+sources = \
+        reachable_netlink.h \
+        reachable_netlink_component.c \
+        reachable_netlink_module.c \
+        libnl1_utils.h \
+        libnl3_utils.h \
+        libnl_utils.h \
+        reachable_netlink_utils_common.c
+
+# Make the output library in this directory, and name it either
+# mca_<type>_<name>.la (for DSO builds) or libmca_<type>_<name>.la
+# (for static builds).
+
+if MCA_BUILD_opal_reachable_netlink_DSO
+component_noinst =
+component_install = mca_reachable_netlink.la
+else
+component_noinst = libmca_reachable_netlink.la
+component_install =
+endif
+
+AM_CPPFLAGS = \
+        $(opal_reachable_netlink_LIBNL_CPPFLAGS) \
+        -DHAVE_LIBNL3=$(HAVE_LIBNL3)
+
+mcacomponentdir = $(opallibdir)
+mcacomponent_LTLIBRARIES = $(component_install)
+mca_reachable_netlink_la_SOURCES = $(sources)
+mca_reachable_netlink_la_LDFLAGS = -module -avoid-version
+mca_reachable_netlink_la_LIBADD = $(opal_reachable_netlink_LIBNL_LIBS)
+
+noinst_LTLIBRARIES = $(component_noinst)
+libmca_reachable_netlink_la_SOURCES =$(sources)
+libmca_reachable_netlink_la_LDFLAGS = -module -avoid-version
+libmca_reachable_netlink_la_LIBADD = $(opal_reachable_netlink_LIBNL_LIBS)