Adding upstream version 2.4.56.upstream/2.4.56

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 325 insertions, 0 deletions

diff --git a/modules/md/md_time.c b/modules/md/md_time.c
new file mode 100644
index 0000000..268ca83
--- /dev/null
+++ b/modules/md/md_time.c
@@ -0,0 +1,325 @@
+/* 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 <stdio.h>
+
+#include <apr_lib.h>
+#include <apr_strings.h>
+#include <apr_time.h>
+
+#include "md.h"
+#include "md_time.h"
+
+apr_time_t md_timeperiod_length(const md_timeperiod_t *period)
+{
+    return (period->start < period->end)? (period->end - period->start) : 0;
+}
+
+int md_timeperiod_contains(const md_timeperiod_t *period, apr_time_t time)
+{
+    return md_timeperiod_has_started(period, time) 
+        && !md_timeperiod_has_ended(period, time);
+}
+
+int md_timeperiod_has_started(const md_timeperiod_t *period, apr_time_t time)
+{
+    return (time >= period->start);
+}
+
+int md_timeperiod_has_ended(const md_timeperiod_t *period, apr_time_t time)
+{
+    return (time >= period->start) && (time <= period->end);
+}
+
+apr_interval_time_t md_timeperiod_remaining(const md_timeperiod_t *period, apr_time_t time)
+{
+    if (time < period->start) return md_timeperiod_length(period);
+    if (time < period->end) return period->end - time;
+    return 0;
+}
+
+char *md_timeperiod_print(apr_pool_t *p, const md_timeperiod_t *period)
+{
+    char tstart[APR_RFC822_DATE_LEN];
+    char tend[APR_RFC822_DATE_LEN];
+
+    apr_rfc822_date(tstart, period->start);
+    apr_rfc822_date(tend, period->end);
+    return apr_pstrcat(p, tstart, " - ", tend, NULL);
+}
+
+static const char *duration_print(apr_pool_t *p, int roughly, apr_interval_time_t duration)
+{
+    const char *s = "", *sep = "";
+    long days = (long)(apr_time_sec(duration) / MD_SECS_PER_DAY);
+    int rem = (int)(apr_time_sec(duration) % MD_SECS_PER_DAY);
+    
+    s = roughly? "~" : "";
+    if (days > 0) {
+        s = apr_psprintf(p, "%s%ld days", s, days);
+        if (roughly) return s;
+        sep = " ";
+    }
+    if (rem > 0) {
+        int hours = (rem / MD_SECS_PER_HOUR);
+        rem = (rem % MD_SECS_PER_HOUR);
+        if (hours > 0) {
+            s = apr_psprintf(p, "%s%s%d hours", s, sep, hours); 
+        if (roughly) return s;
+            sep = " "; 
+        }
+        if (rem > 0) {
+            int minutes = (rem / 60);
+            rem = (rem % 60);
+            if (minutes > 0) {
+                s = apr_psprintf(p, "%s%s%d minutes", s, sep, minutes); 
+                if (roughly) return s;
+                sep = " "; 
+            }
+            if (rem > 0) {
+                s = apr_psprintf(p, "%s%s%d seconds", s, sep, rem); 
+                if (roughly) return s;
+                sep = " "; 
+            }
+        }
+    }
+    else if (days == 0) {
+        s = "0 seconds";
+        if (duration != 0) {
+            s = apr_psprintf(p, "%d ms", (int)apr_time_msec(duration));
+        }
+    }
+    return s;
+}
+
+const char *md_duration_print(apr_pool_t *p, apr_interval_time_t duration)
+{
+    return duration_print(p, 0, duration);
+}
+
+const char *md_duration_roughly(apr_pool_t *p, apr_interval_time_t duration)
+{
+    return duration_print(p, 1, duration);
+}
+
+static const char *duration_format(apr_pool_t *p, apr_interval_time_t duration)
+{
+    const char *s = "0";
+    int units = (int)(apr_time_sec(duration) / MD_SECS_PER_DAY);
+    int rem = (int)(apr_time_sec(duration) % MD_SECS_PER_DAY);
+    
+    if (rem == 0) {
+        s = apr_psprintf(p, "%dd", units); 
+    }
+    else {
+        units = (int)(apr_time_sec(duration) / MD_SECS_PER_HOUR);
+        rem = (int)(apr_time_sec(duration) % MD_SECS_PER_HOUR);
+        if (rem == 0) {
+            s = apr_psprintf(p, "%dh", units); 
+        }
+        else {
+            units = (int)(apr_time_sec(duration) / 60);
+            rem = (int)(apr_time_sec(duration) % 60);
+            if (rem == 0) {
+                s = apr_psprintf(p, "%dmi", units); 
+            }
+            else {
+                units = (int)(apr_time_sec(duration));
+                rem = (int)(apr_time_msec(duration) % 1000);
+                if (rem == 0) {
+                    s = apr_psprintf(p, "%ds", units); 
+                }
+                else {
+                    s = apr_psprintf(p, "%dms", (int)(apr_time_msec(duration))); 
+                }
+            }
+        }
+    }
+    return s;
+}
+
+const char *md_duration_format(apr_pool_t *p, apr_interval_time_t duration)
+{
+    return duration_format(p, duration);
+}
+
+apr_status_t md_duration_parse(apr_interval_time_t *ptimeout, const char *value, 
+                               const char *def_unit)
+{
+    char *endp;
+    apr_int64_t n;
+    
+    n = apr_strtoi64(value, &endp, 10);
+    if (errno) {
+        return errno;
+    }
+    if (!endp || !*endp) {
+        if (!def_unit) def_unit = "s";
+    }
+    else if (endp == value) {
+        return APR_EINVAL;
+    }
+    else {
+        def_unit = endp;
+    }
+    
+    switch (*def_unit) {
+    case 'D':
+    case 'd':
+        *ptimeout = apr_time_from_sec(n * MD_SECS_PER_DAY);
+        break;
+    case 's':
+    case 'S':
+        *ptimeout = (apr_interval_time_t) apr_time_from_sec(n);
+        break;
+    case 'h':
+    case 'H':
+        /* Time is in hours */
+        *ptimeout = (apr_interval_time_t) apr_time_from_sec(n * MD_SECS_PER_HOUR);
+        break;
+    case 'm':
+    case 'M':
+        switch (*(++def_unit)) {
+        /* Time is in milliseconds */
+        case 's':
+        case 'S':
+            *ptimeout = (apr_interval_time_t) n * 1000;
+            break;
+        /* Time is in minutes */
+        case 'i':
+        case 'I':
+            *ptimeout = (apr_interval_time_t) apr_time_from_sec(n * 60);
+            break;
+        default:
+            return APR_EGENERAL;
+        }
+        break;
+    default:
+        return APR_EGENERAL;
+    }
+    return APR_SUCCESS;
+}
+
+static apr_status_t percentage_parse(const char *value, int *ppercent)
+{
+    char *endp;
+    apr_int64_t n;
+    
+    n = apr_strtoi64(value, &endp, 10);
+    if (errno) {
+        return errno;
+    }
+    if (*endp == '%') {
+        if (n < 0) {
+            return APR_BADARG;
+        }
+        *ppercent = (int)n;
+        return APR_SUCCESS;
+    }
+    return APR_EINVAL;
+}
+
+apr_status_t md_timeslice_create(md_timeslice_t **pts, apr_pool_t *p,
+                                 apr_interval_time_t norm, apr_interval_time_t len)
+{
+    md_timeslice_t *ts;
+
+    ts = apr_pcalloc(p, sizeof(*ts));
+    ts->norm = norm;
+    ts->len = len;
+    *pts = ts;
+    return APR_SUCCESS;
+}
+
+const char *md_timeslice_parse(md_timeslice_t **pts, apr_pool_t *p, 
+                               const char *val, apr_interval_time_t norm)
+{
+    md_timeslice_t *ts;
+    int percent = 0;
+
+    *pts = NULL;
+    if (!val) {
+        return "cannot parse NULL value";
+    }
+
+    ts = apr_pcalloc(p, sizeof(*ts));
+    if (md_duration_parse(&ts->len, val, "d") == APR_SUCCESS) {
+        *pts = ts;
+        return NULL;
+    }
+    else {
+        switch (percentage_parse(val, &percent)) {
+            case APR_SUCCESS:
+                ts->norm = norm;
+                ts->len = apr_time_from_sec((apr_time_sec(norm) * percent / 100L));
+                *pts = ts;
+                return NULL;
+            case APR_BADARG:
+                return "percent must be less than 100";
+        }
+    }
+    return "has unrecognized format";
+}
+
+const char *md_timeslice_format(const md_timeslice_t *ts, apr_pool_t *p) {
+    if (ts->norm > 0) {
+        int percent = (int)(((long)apr_time_sec(ts->len)) * 100L 
+                            / ((long)apr_time_sec(ts->norm))); 
+        return apr_psprintf(p, "%d%%", percent);
+    }
+    return duration_format(p, ts->len);
+}
+
+md_timeperiod_t md_timeperiod_slice_before_end(const md_timeperiod_t *period, 
+                                               const md_timeslice_t *ts)
+{
+    md_timeperiod_t r;
+    apr_time_t duration = ts->len;
+    
+    if (ts->norm > 0) {
+        int percent = (int)(((long)apr_time_sec(ts->len)) * 100L 
+                            / ((long)apr_time_sec(ts->norm))); 
+        apr_time_t plen = md_timeperiod_length(period);
+        if (apr_time_sec(plen) > 100) {
+            duration = apr_time_from_sec(apr_time_sec(plen) * percent / 100);
+        }
+        else {
+            duration = plen * percent / 100;
+        }
+    }
+    r.start = period->end - duration;
+    r.end = period->end;
+    return r;
+}
+
+int md_timeslice_eq(const md_timeslice_t *ts1, const md_timeslice_t *ts2)
+{
+    if (ts1 == ts2) return 1;
+    if (!ts1 || !ts2) return 0;
+    return (ts1->norm == ts2->norm) && (ts1->len == ts2->len);
+}
+
+md_timeperiod_t md_timeperiod_common(const md_timeperiod_t *a, const md_timeperiod_t *b)
+{
+    md_timeperiod_t c;
+    
+    c.start = (a->start > b->start)? a->start : b->start;
+    c.end = (a->end < b->end)? a->end : b->end;
+    if (c.start > c.end) {
+        c.start = c.end = 0;
+    }
+    return c;
+}