/*
 *
 * 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 "PrivatePosix.h"

#include "qpid/sys/Time.h"
#include <ostream>
#include <time.h>
#include <stdio.h>
#include <sys/time.h>

namespace qpid {
namespace sys {

AbsTime AbsTime::now() {
    struct timespec ts;
    ::clock_gettime(CLOCK_REALTIME, &ts);
    AbsTime time_now;
    time_now.time_ns = toTime(ts).nanosecs;
    return time_now;
}

struct timespec& toTimespec(struct timespec& ts, const Duration& t) {
    ts.tv_sec  = t / TIME_SEC;
    ts.tv_nsec = t % TIME_SEC;
    return ts; 
}

struct timeval& toTimeval(struct timeval& tv, const Duration& t) {
    tv.tv_sec = t/TIME_SEC;
    tv.tv_usec = (t%TIME_SEC)/TIME_USEC;
    return tv;
}

Duration toTime(const struct timespec& ts) {
    return ts.tv_sec*TIME_SEC + ts.tv_nsec;
}

std::ostream& operator<<(std::ostream& o, const Duration& d) {
    return o << int64_t(d) << "ns";   
}

std::ostream& operator<<(std::ostream& o, const AbsTime& t) {
    static const char * month_abbrevs[] = {
        "jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"
    };
    struct tm * timeinfo;
    time_t rawtime(t.time_ns/TIME_SEC);
    timeinfo = localtime (&rawtime);
    char time_string[100];
    sprintf ( time_string,
              "%d-%s-%02d %02d:%02d:%02d",
              1900 + timeinfo->tm_year,
              month_abbrevs[timeinfo->tm_mon],
              timeinfo->tm_mday,
              timeinfo->tm_hour,
              timeinfo->tm_min,
              timeinfo->tm_sec
    );
    return o << time_string;
}

}}