Moved remotely

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@48 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_utils.c

@@ -0,0 +1,116 @@
+/* 
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * 
+ * Anthony Minessale II <anthmct@yahoo.com>
+ *
+ *
+ * switch_utils.c -- Compatability and Helper Code
+ *
+ */
+#include <switch_utils.h>
+
+
+SWITCH_DECLARE(switch_status) switch_socket_create_pollfd(switch_pollfd_t *poll, switch_socket_t *sock, unsigned int flags, switch_memory_pool *pool)
+{
+	switch_pollset_t *pollset;
+	switch_status status;
+
+
+	if ((status = switch_pollset_create(&pollset, 1, pool, flags)) != SWITCH_STATUS_SUCCESS) {
+		return status;
+	}
+
+
+	poll->desc_type = SWITCH_POLL_SOCKET;
+	poll->reqevents = flags;
+	poll->desc.s = sock;
+	poll->client_data = sock;
+
+	return switch_pollset_add(pollset, poll);
+
+	
+
+}
+
+
+SWITCH_DECLARE(int) switch_socket_waitfor(switch_pollfd_t *poll, int ms)
+{
+	switch_status status; 
+	int nsds = 0;
+	
+	if ((status = switch_poll(poll, 1, &nsds, ms)) != SWITCH_STATUS_SUCCESS) {
+		return -1;
+	}
+	
+	return nsds;
+}
+
+
+#ifdef HAVE_TIMEVAL_STRUCT
+#define ONE_MILLION	1000000
+/*
+ * put timeval in a valid range. usec is 0..999999
+ * negative values are not allowed and truncated.
+ */
+static struct timeval tvfix(struct timeval a)
+{
+	if (a.tv_usec >= ONE_MILLION) {
+		a.tv_sec += a.tv_usec % ONE_MILLION;
+		a.tv_usec %= ONE_MILLION;
+	} else if (a.tv_usec < 0) {
+		a.tv_usec = 0;
+	}
+	return a;
+}
+
+struct timeval switch_tvadd(struct timeval a, struct timeval b)
+{
+	/* consistency checks to guarantee usec in 0..999999 */
+	a = tvfix(a);
+	b = tvfix(b);
+	a.tv_sec += b.tv_sec;
+	a.tv_usec += b.tv_usec;
+	if (a.tv_usec >= ONE_MILLION) {
+		a.tv_sec++;
+		a.tv_usec -= ONE_MILLION;
+	}
+	return a;
+}
+
+struct timeval switch_tvsub(struct timeval a, struct timeval b)
+{
+	/* consistency checks to guarantee usec in 0..999999 */
+	a = tvfix(a);
+	b = tvfix(b);
+	a.tv_sec -= b.tv_sec;
+	a.tv_usec -= b.tv_usec;
+	if (a.tv_usec < 0) {
+		a.tv_sec-- ;
+		a.tv_usec += ONE_MILLION;
+	}
+	return a;
+}
+#undef ONE_MILLION
+#endif