1 files changed, 119 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1085/pgm/tsi.c b/3rdparty/openpgm-svn-r1085/pgm/tsi.c
new file mode 100644
index 0000000..5f9ae85
--- /dev/null
+++ b/3rdparty/openpgm-svn-r1085/pgm/tsi.c
@@ -0,0 +1,119 @@
+/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
+ *
+ * transport session ID helper functions.
+ *
+ * Copyright (c) 2006-2009 Miru Limited.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdio.h>
+#include <impl/framework.h>
+
+
+//#define TSI_DEBUG
+
+
+/* locals */
+
+
+/* re-entrant form of pgm_tsi_print()
+ *
+ * returns number of bytes written to buffer on success, returns -1 on
+ * invalid parameters.
+ */
+
+int
+pgm_tsi_print_r (
+	const pgm_tsi_t* restrict tsi,
+	char*		 restrict buf,
+	size_t			  bufsize
+	)
+{
+	pgm_return_val_if_fail (NULL != tsi, -1);
+	pgm_return_val_if_fail (NULL != buf, -1);
+	pgm_return_val_if_fail (bufsize > 0, -1);
+
+	const uint8_t* gsi = (const uint8_t*)tsi;
+	const uint16_t source_port = tsi->sport;
+
+	return snprintf (buf, bufsize, "%i.%i.%i.%i.%i.%i.%i",
+			 gsi[0], gsi[1], gsi[2], gsi[3], gsi[4], gsi[5], ntohs (source_port));
+}
+
+/* transform TSI to ASCII string form.
+ *
+ * on success, returns pointer to ASCII string.  on error, returns NULL.
+ */
+
+char*
+pgm_tsi_print (
+	const pgm_tsi_t*	tsi
+	)
+{
+	pgm_return_val_if_fail (tsi != NULL, NULL);
+
+	static char buf[PGM_TSISTRLEN];
+	pgm_tsi_print_r (tsi, buf, sizeof(buf));
+	return buf;
+}
+
+/* create hash value of TSI for use with GLib hash tables.
+ *
+ * on success, returns a hash value corresponding to the TSI.  on error, fails
+ * on assert.
+ */
+
+pgm_hash_t
+pgm_tsi_hash (
+	const void*	 p
+        )
+{
+	const union {
+		pgm_tsi_t	tsi;
+		uint32_t	l[2];
+	} *u = p;
+
+/* pre-conditions */
+	pgm_assert (NULL != p);
+
+	return u->l[0] ^ u->l[1];
+}
+
+/* compare two transport session identifier TSI values.
+ *
+ * returns TRUE if they are equal, FALSE if they are not.
+ */
+
+bool
+pgm_tsi_equal (
+	const void* restrict p1,
+	const void* restrict p2
+        )
+{
+	const union {
+		pgm_tsi_t	tsi;
+		uint32_t	l[2];
+		uint64_t	ll;
+	} *restrict u1 = p1, *restrict u2 = p2;
+
+/* pre-conditions */
+	pgm_assert (NULL != p1);
+	pgm_assert (NULL != p2);
+
+	return (u1->l[0] == u2->l[0] && u1->l[1] == u2->l[1]);
+}
+
+/* eof */