Commit 2270dae1 authored by Cedric Roux's avatar Cedric Roux

T: new view 'scolltti'

This view is used to display throughput (to come in next commits).
parent 5b6a83fc
CC=gcc
CFLAGS=-Wall -g -pthread -I.. -I../logger
OBJS=stdout.o textlist.o xy.o tti.o time.o ticktime.o
OBJS=stdout.o textlist.o xy.o tti.o time.o ticktime.o scrolltti.o
view.a: $(OBJS)
ar cr view.a $(OBJS)
......
#include "view.h"
#include "../utils.h"
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <stdarg.h>
#include <string.h>
#include <math.h>
struct scrolltti {
view common;
gui *g;
widget *w;
widget *throughput_textarea;
int plot;
float refresh_rate;
pthread_mutex_t lock;
unsigned long data[1000];
unsigned long total; /* sum data[0..999] to have smoother value printed */
float xout[1000];
float yout[1000];
int insert_point;
};
/* this array is used to get Y range 1000, 2000, 5000, 10000, ... */
static int tolog[11] = { -1, 1, 2, 5, 5, 5, 10, 10, 10, 10, 10 };
static void *scrolltti_thread(void *_this)
{
struct scrolltti *this = _this;
int i;
int p;
float max, mlog;
char o[64];
while (1) {
if (pthread_mutex_lock(&this->lock)) abort();
/* TODO: optimize */
p = this->insert_point;
max = 0;
for (i = 0; i < 1000; i++) {
this->xout[i] = i;
this->yout[i] = this->data[p];
if (this->data[p] > max) max = this->data[p];
p = (p + 1) % 1000;
}
bps(o, this->total/1000., "b/s");
textarea_set_text(this->g, this->throughput_textarea, o);
/* for Y range we want 1000, 2000, 5000, 10000, 20000, 50000, etc. */
if (max < 1000) max = 1000;
mlog = pow(10, floor(log10(max)));
max = tolog[(int)ceil(max/mlog)] * mlog;
xy_plot_set_range(this->g, this->w, 0, 1000, 0, max);
xy_plot_set_points(this->g, this->w, this->plot,
1000, this->xout, this->yout);
if (pthread_mutex_unlock(&this->lock)) abort();
sleepms(1000/this->refresh_rate);
}
return 0;
}
static void clear(view *this)
{
/* TODO */
}
static void append(view *_this, int frame, int subframe, double value)
{
struct scrolltti *this = (struct scrolltti *)_this;
if (pthread_mutex_lock(&this->lock)) abort();
this->total -= this->data[this->insert_point];
this->data[this->insert_point] = value;
this->total += this->data[this->insert_point];
this->insert_point = (this->insert_point + 1) % 1000;
if (pthread_mutex_unlock(&this->lock)) abort();
}
view *new_view_scrolltti(float refresh_rate, gui *g, widget *w, int color,
widget *throughput_textarea)
{
struct scrolltti *ret = calloc(1, sizeof(struct scrolltti));
if (ret == NULL) abort();
ret->common.clear = clear;
ret->common.append = (void (*)(view *, ...))append;
ret->refresh_rate = refresh_rate;
ret->g = g;
ret->w = w;
ret->throughput_textarea = throughput_textarea;
ret->plot = xy_plot_new_plot(g, w, color);
if (pthread_mutex_init(&ret->lock, NULL)) abort();
new_thread(scrolltti_thread, ret);
return (view *)ret;
}
......@@ -19,6 +19,8 @@ view *new_view_xy(int length, float refresh_rate, gui *g, widget *w,
int color, enum xy_mode mode);
view *new_view_tti(float refresh_rate, gui *g, widget *w,
int color);
view *new_view_scrolltti(float refresh_rate, gui *g, widget *w,
int color, widget *throughput_label);
view *new_view_time(int number_of_seconds, float refresh_rate,
gui *g, widget *w);
view *new_subview_time(view *time, int line, int color, int size);
......
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