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#include "progressbar.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <termcap.h>
int create_progressbar( cssh_progressbar_t *progressbar, uint64_t min_value, uint64_t max_value, size_t size, const char *label_fmt, ... )
{
progressbar->min_value = min_value;
progressbar->max_value = max_value;
va_list va;
va_start( va, label_fmt );
progressbar->label = (char *)malloc( size );
if( progressbar->label == NULL ) {
return -1;
}
(void)vsnprintf( progressbar->label, size, label_fmt, va );
progressbar->value = progressbar->min_value;
progressbar->total_steps = 0;
progressbar->current_step = 0;
progressbar->buf = NULL;
va_end( va );
return 0;
}
void free_progressbar( cssh_progressbar_t *progressbar )
{
free( progressbar->buf );
progressbar->buf = NULL;
free( progressbar->label );
progressbar->label = NULL;
progressbar->value = progressbar->min_value;
progressbar->total_steps = 0;
progressbar->current_step = 0;
}
void set_value_of_progressbar( cssh_progressbar_t *progressbar, uint64_t value )
{
progressbar->value = value;
}
static int compute_progressbar_steps( cssh_progressbar_t *progressbar )
{
cssh_progressbar_pool_t *pool = progressbar->pool;
if( strlen( progressbar->label ) + 2 < pool->cols ) {
progressbar->total_steps = pool->cols - strlen( progressbar->label ) - 2;
} else {
progressbar->total_steps = 0;
}
progressbar->buf = (char *)malloc( progressbar->total_steps + 1 );
if( progressbar->buf == NULL ) {
return -1;
}
return 0;
}
void redraw_progressbar( cssh_progressbar_t *progressbar )
{
if( progressbar->total_steps == 0 ) {
(void)compute_progressbar_steps( progressbar );
}
unsigned int new_step = progressbar->value * ( (double)progressbar->total_steps / ( progressbar->max_value - progressbar->min_value ) );
if( new_step == progressbar->current_step ) {
printf( "\n" );
return;
}
progressbar->buf[progressbar->total_steps] = '\0';
memset( progressbar->buf, (int)' ', progressbar->total_steps );
memset( progressbar->buf, (int)'#', progressbar->current_step );
fprintf( stderr, "%s [%s]\n", progressbar->label, progressbar->buf );
progressbar->current_step = new_step;
}
int create_progressbar_pool( cssh_progressbar_pool_t *pool, size_t initial_size )
{
pool->N = 0;
pool->capacity = initial_size;
pool->progressbar = (cssh_progressbar_t **)malloc( pool->capacity * sizeof( cssh_progressbar_t * ) );
if( pool->progressbar == NULL ) {
return -1;
}
pool->termbuf = (char *)malloc( TERMBUF_SIZE );
if( pool->termbuf == NULL ) {
free( pool->progressbar );
return -1;
}
char *termtype = getenv( "TERM" );
if( termtype == NULL ) {
pool->cols = DEFAULT_COLS;
}
int rc = tgetent( pool->termbuf, termtype );
if( rc < 0 ) {
pool->cols = DEFAULT_COLS;
} else {
pool->cols = tgetnum( "co" ) - 2;
}
return 0;
}
void free_progressbar_pool( cssh_progressbar_pool_t *pool )
{
for( size_t i = 0; i < pool->N; i++ ) {
free_progressbar( pool->progressbar[i] );
}
free( pool->progressbar );
free( pool->termbuf );
}
int append_progressbar_to_pool( cssh_progressbar_pool_t *pool, cssh_progressbar_t *progressbar )
{
if( pool->N + 1 > pool->capacity ) {
return -1;
}
pool->progressbar[pool->N] = progressbar;
pool->N++;
progressbar->pool = pool;
return 0;
}
int remove_progressbar_from_pool( cssh_progressbar_pool_t *pool, cssh_progressbar_t *progressbar )
{
if( pool->N == 0 ) {
return -1;
}
for( size_t i = 0; i < pool->N; i++ ) {
if( pool->progressbar[i] == progressbar ) {
for( size_t j = i; j < pool->N - 1; j++ ) {
pool->progressbar[j] = pool->progressbar[j+1];
}
pool->N--;
pool->progressbar[pool->N] = NULL;
return 0;
}
}
return -1;
}
void redraw_progressbars( cssh_progressbar_pool_t *pool )
{
for( size_t i = 0; i < pool->N; i++ ) {
redraw_progressbar( pool->progressbar[i] );
}
printf( "\33[%zuF\n", pool->N + 1 );
}
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