nes-proj/apps/process-list/process-list.c

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/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the Contiki desktop environment
*
* $Id: process-list.c,v 1.1 2006/06/17 22:41:12 adamdunkels Exp $
*
*/
#include "ctk/ctk.h"
#include "contiki.h"
#include <string.h>
#define MAX_PROCESSLABELS 13
static struct ctk_window processwindow;
static unsigned char ids[MAX_PROCESSLABELS][4];
static struct ctk_label processidlabels[MAX_PROCESSLABELS];
static struct ctk_label processnamelabels[MAX_PROCESSLABELS];
static struct ctk_label killlabel =
{CTK_LABEL(0, 14, 12, 1, "Kill process")};
static char killprocnum[4];
static struct ctk_textentry killtextentry =
{CTK_TEXTENTRY(13, 14, 3, 1, killprocnum, 3)};
static struct ctk_button killbutton =
{CTK_BUTTON(19, 14, 2, "Ok")};
static struct ctk_button processupdatebutton =
{CTK_BUTTON(0, 15, 6, "Update")};
static struct ctk_button processclosebutton =
{CTK_BUTTON(19, 15, 5, "Close")};
PROCESS(processes_process, "Process listing");
enum {
EVENT_UPDATE
};
/*-----------------------------------------------------------------------------------*/
static void
update_processwindow(void)
{
unsigned char i, j, *idsptr;
struct process *p;
/* Step through each possible process ID and see if there is a
matching process. */
j = 0;
for(p = PROCESS_LIST(); p != NULL && j < MAX_PROCESSLABELS; p = p->next) {
idsptr = ids[j];
i = (int)&p;
idsptr[0] = '0' + i / 100;
if(idsptr[0] == '0') {
idsptr[0] = ' ';
}
idsptr[1] = '0' + (i / 10) % 10;
idsptr[2] = '0' + i % 10;
idsptr[3] = 0;
CTK_LABEL_NEW(&processidlabels[j],
0, j + 1, 3, 1, idsptr);
CTK_WIDGET_ADD(&processwindow, &processidlabels[j]);
CTK_LABEL_NEW(&processnamelabels[j],
4, j + 1, 22, 1, (char *)p->name);
CTK_WIDGET_ADD(&processwindow, &processnamelabels[j]);
++j;
}
CTK_WIDGET_ADD(&processwindow, &killlabel);
CTK_WIDGET_ADD(&processwindow, &killtextentry);
CTK_WIDGET_ADD(&processwindow, &killbutton);
CTK_WIDGET_ADD(&processwindow, &processupdatebutton);
CTK_WIDGET_ADD(&processwindow, &processclosebutton);
CTK_WIDGET_FOCUS(&processwindow, &processupdatebutton);
}
/*-----------------------------------------------------------------------------------*/
static void
processes_quit(void)
{
process_exit(&processes_process);
LOADER_UNLOAD();
}
/*-----------------------------------------------------------------------------------*/
static void
killproc(void)
{
#if 0
int procnum;
unsigned char i, j;
struct ek_proc *p;
/* Find first zero char in killprocnum string. */
for(i = 0; killprocnum[i] != 0 &&
i < sizeof(killprocnum); ++i);
if(i == 0) {
return;
}
procnum = 0;
for(j = 0; j < i; ++j) {
procnum = procnum * 10 + (killprocnum[j] - '0');
killprocnum[j] = 0;
}
/* Make sure the process ID exists. */
for(p = EK_PROCS(); p != NULL; p = p->next) {
if(EK_PROC_ID(p) == procnum) {
break;
}
}
if(p != NULL) {
/* ek_post(procnum, EK_EVENT_REQUEST_EXIT, NULL);
ek_post(id, EVENT_UPDATE, NULL);*/
CTK_TEXTENTRY_CLEAR(&killtextentry);
CTK_WIDGET_REDRAW(&killtextentry);
CTK_WIDGET_FOCUS(&processwindow, &processupdatebutton);
CTK_WIDGET_REDRAW(&killbutton);
CTK_WIDGET_REDRAW(&processupdatebutton);
}
#endif
}
/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(processes_process, ev, data)
{
PROCESS_BEGIN();
ctk_window_new(&processwindow, 26, 16, "Processes");
update_processwindow();
ctk_window_open(&processwindow);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == EVENT_UPDATE) {
ctk_window_clear(&processwindow);
update_processwindow();
ctk_window_open(&processwindow);
} else if(ev == ctk_signal_button_activate) {
if(data == (process_data_t)&processupdatebutton) {
ctk_window_clear(&processwindow);
update_processwindow();
ctk_window_open(&processwindow);
} else if(data == (process_data_t)&processclosebutton) {
ctk_window_close(&processwindow);
processes_quit();
/* ctk_desktop_redraw(processwindow.desktop); */
} else if(data == (process_data_t)&killbutton) {
killproc();
}
} else if(ev == PROCESS_EVENT_EXIT ||
(ev == ctk_signal_window_close &&
data == (process_data_t)&processwindow)) {
ctk_window_close(&processwindow);
processes_quit();
}
}
PROCESS_END();
}
/*-----------------------------------------------------------------------------------*/