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/*==============================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*/
#include <kapp/extern.h>
#include <klib/log.h>
#include <klib/rc.h>
#include <klib/debug.h>
#include <klib/container.h>
#include <kfs/directory.h>
#include <kfs/file.h>
#include <loader/progressbar.h>
#include <stdlib.h>
#include <string.h>
#define DBG(msg) DBGMSG(DBG_LOADLIB,DBG_FLAG(DBG_LOADLIB_PBAR), msg)
struct KLoadProgressbar
{
SLNode node;
bool active;
uint64_t used;
uint64_t total;
};
struct KJobs {
const char* severity;
SLList jobs;
uint64_t percent;
} g_jobs =
{
"status",
{NULL, NULL},
0
};
LIB_EXPORT rc_t CC KLoadProgressbar_Make(const KLoadProgressbar** cself, uint64_t size)
{
rc_t rc = 0;
KLoadProgressbar* obj = NULL;
if( cself == NULL ) {
rc = RC(rcApp, rcFunction, rcConstructing, rcSelf, rcNull);
} else if( (obj = calloc(1, sizeof(*obj))) == NULL ) {
*cself = NULL;
rc = RC(rcApp, rcFunction, rcConstructing, rcMemory, rcExhausted);
} else {
DBG(("%s: %p %lu\n", __func__, obj, size));
SLListPushTail(&g_jobs.jobs, &obj->node);
*cself = obj;
obj->active = true;
obj->total = size;
}
return rc;
}
static
bool CC job_active( SLNode *n, void *data )
{
return ((KLoadProgressbar*)n)->active;
}
static
void CC job_whack( SLNode *n, void *data )
{
free(n);
}
struct job_data {
float percent;
uint64_t qty;
};
static
void CC job_percent( SLNode *node, void *data )
{
const KLoadProgressbar* n = (const KLoadProgressbar*)node;
struct job_data* d = (struct job_data*)data;
if (n->used && n->total)
d->percent += n->used * 100 / n->total;
d->qty++;
}
static
void CC job_report(bool force_report, bool final)
{
struct job_data d;
memset(&d, 0, sizeof(d));
SLListForEach(&g_jobs.jobs, job_percent, &d);
d.qty = (uint64_t) (d.qty ? d.percent / d.qty : (final ? 100 : 0) );
if( force_report || d.qty != g_jobs.percent ) {
g_jobs.percent = d.qty;
PLOGMSG(klogInfo, (klogInfo, "processed $(percent)%",
"severity=%s,percent=%lu", g_jobs.severity, g_jobs.percent));
}
}
LIB_EXPORT void CC KLoadProgressbar_Release(const KLoadProgressbar* cself, bool exclude)
{
if( cself ) {
KLoadProgressbar* self = (KLoadProgressbar*)cself;
if( exclude ) {
SLListUnlink(&g_jobs.jobs, &self->node);
free(self);
} else {
self->active = false;
}
if( !SLListDoUntil(&g_jobs.jobs, job_active, NULL) ) {
/* no more active jobs: make last report and drop whole list */
job_report(false, true);
SLListWhack(&g_jobs.jobs, job_whack, NULL);
}
}
}
LIB_EXPORT rc_t CC KLoadProgressbar_Append(const KLoadProgressbar* cself, uint64_t chunk)
{
rc_t rc = 0;
if( cself == NULL ) {
rc = RC(rcApp, rcFunction, rcWriting, rcSelf, rcNull);
} else {
uint64_t c = cself->total + chunk;
DBG(("%s: +%lu\n", __func__, chunk));
if( c >= cself->total ) {
((KLoadProgressbar*)cself)->total += chunk;
} else {
rc = RC(rcApp, rcFunction, rcResizing, rcData, rcOutofrange);
}
}
return rc;
}
LIB_EXPORT rc_t CC KLoadProgressbar_File(const KLoadProgressbar** cself, const char* filename, const KDirectory* dir)
{
rc_t rc = 0;
uint64_t sz;
KDirectory* tmp = (KDirectory*)dir;
if( cself == NULL || filename == NULL ) {
rc = RC(rcApp, rcFunction, rcWriting, rcParam, rcNull);
} else if( tmp == NULL && (rc = KDirectoryNativeDir(&tmp)) != 0 ) {
} else if( (rc = KDirectoryFileSize(tmp, &sz, "%s", filename)) == 0 ) {
rc = KLoadProgressbar_Make(cself, sz);
}
if( tmp != dir ) {
KDirectoryRelease(tmp);
}
return rc;
}
LIB_EXPORT rc_t CC KLoadProgressbar_KFile(const KLoadProgressbar** cself, const KFile* file)
{
rc_t rc = 0;
uint64_t sz;
if( cself == NULL || file == NULL ) {
rc = RC(rcApp, rcFunction, rcWriting, rcParam, rcNull);
} else if( (rc = KFileSize(file, &sz)) == 0 ) {
rc = KLoadProgressbar_Make(cself, sz);
}
return rc;
}
LIB_EXPORT rc_t CC KLoadProgressbar_Process(const KLoadProgressbar* cself, uint64_t chunk, bool force_report)
{
rc_t rc = 0;
if( cself == NULL ) {
rc = RC(rcApp, rcFunction, rcLogging, rcSelf, rcNull);
} else {
((KLoadProgressbar*)cself)->used += chunk;
DBG(("%s: %p +%lu %lu of %lu\n", __func__, cself, chunk, cself->used, cself->total));
job_report(force_report, false);
}
return rc;
}
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