1 files changed, 162 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/sys/posix/Time.cpp b/qpid/cpp/src/qpid/sys/posix/Time.cpp
new file mode 100644
index 0000000000..10a5d944b1
--- /dev/null
+++ b/qpid/cpp/src/qpid/sys/posix/Time.cpp
@@ -0,0 +1,162 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include "qpid/sys/posix/PrivatePosix.h"
+
+#include "qpid/sys/Time.h"
+#include <ostream>
+#include <istream>
+#include <sstream>
+#include <time.h>
+#include <stdio.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <iomanip>
+#include <cctype>
+
+namespace {
+int64_t max_abstime() { return std::numeric_limits<int64_t>::max(); }
+}
+
+namespace qpid {
+namespace sys {
+
+AbsTime::AbsTime(const AbsTime& t, const Duration& d) :
+    timepoint(d == Duration::max() ? max_abstime() : t.timepoint+d.nanosecs)
+{}
+
+AbsTime AbsTime::Zero() {
+    AbsTime epoch; epoch.timepoint = 0;
+    return epoch;
+}
+
+AbsTime AbsTime::FarFuture() {
+    AbsTime ff; ff.timepoint = max_abstime(); return ff;
+}
+
+AbsTime AbsTime::now() {
+    struct timespec ts;
+    ::clock_gettime(CLOCK_MONOTONIC, &ts);
+    AbsTime time_now;
+    time_now.timepoint = toTime(ts).nanosecs;
+    return time_now;
+}
+
+AbsTime AbsTime::epoch() {
+    return AbsTime(now(), -Duration::FromEpoch());
+}
+
+Duration Duration::FromEpoch() {
+    struct timespec ts;
+    ::clock_gettime(CLOCK_REALTIME, &ts);
+    return toTime(ts).nanosecs;
+}
+
+Duration::Duration(const AbsTime& start, const AbsTime& finish) :
+    nanosecs(finish.timepoint - start.timepoint)
+{}
+
+namespace {
+/** type conversion helper: an infinite timeout for time_t sized types **/
+const time_t TIME_T_MAX = std::numeric_limits<time_t>::max();
+}
+
+struct timespec& toTimespec(struct timespec& ts, const AbsTime& a) {
+    Duration t(ZERO, a);
+    Duration secs = t / TIME_SEC;
+    ts.tv_sec = (secs > TIME_T_MAX) ? TIME_T_MAX : static_cast<time_t>(secs);
+    ts.tv_nsec = static_cast<long>(t % TIME_SEC);
+    return ts; 
+}
+
+Duration toTime(const struct timespec& ts) {
+    return ts.tv_sec*TIME_SEC + ts.tv_nsec;
+}
+
+std::ostream& operator<<(std::ostream& o, const Duration& d) {
+    if (d >= TIME_SEC) return o << (double(d)/TIME_SEC) << "s";
+    if (d >= TIME_MSEC) return o << (double(d)/TIME_MSEC) << "ms";
+    if (d >= TIME_USEC) return o << (double(d)/TIME_USEC) << "us";
+    return o << int64_t(d) << "ns";
+}
+
+std::istream& operator>>(std::istream& i, Duration& d) {
+    // Don't throw, let the istream throw if it's configured to do so.
+    double number;
+    i >> number;
+    if (i.fail()) return i;
+
+    if (i.eof() || std::isspace(i.peek())) // No suffix
+        d = int64_t(number*TIME_SEC);
+    else {
+        std::stringbuf suffix;
+        i >> &suffix;
+        if (i.fail()) return i;
+	std::string suffix_str = suffix.str();
+        if (suffix_str.compare("s") == 0) d = int64_t(number*TIME_SEC);
+        else if (suffix_str.compare("ms") == 0) d = int64_t(number*TIME_MSEC);
+        else if (suffix_str.compare("us") == 0) d = int64_t(number*TIME_USEC);
+        else if (suffix_str.compare("ns") == 0) d = int64_t(number*TIME_NSEC);
+        else i.setstate(std::ios::failbit);
+    }
+    return i;
+}
+
+namespace {
+inline std::ostream& outputFormattedTime(std::ostream& o, const ::time_t* time) {
+    ::tm timeinfo;
+    char time_string[100];
+    ::strftime(time_string, 100,
+               "%Y-%m-%d %H:%M:%S",
+               localtime_r(time, &timeinfo));
+    return o << time_string;
+}
+}
+
+std::ostream& operator<<(std::ostream& o, const AbsTime& t) {
+    ::time_t rawtime(t.timepoint/TIME_SEC);
+    return outputFormattedTime(o, &rawtime);
+}
+
+void outputFormattedNow(std::ostream& o) {
+    ::time_t rawtime;
+    ::time(&rawtime);
+    outputFormattedTime(o, &rawtime);
+    o << " ";
+}
+
+void outputHiresNow(std::ostream& o) {
+    ::timespec time;
+    ::clock_gettime(CLOCK_REALTIME, &time);
+    ::time_t seconds = time.tv_sec;
+    outputFormattedTime(o, &seconds);
+    o << "." << std::setw(9) << std::setfill('0') << time.tv_nsec << " ";
+}
+
+void sleep(int secs) {
+    ::sleep(secs);
+}
+
+void usleep(uint64_t usecs) {
+    ::usleep(usecs);
+}
+
+}}