Horms
parent
ec05631ac9
commit
aee46448ff
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@ -0,0 +1,13 @@
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<page columns=1 padding=16 name=front background=bg.png linkcolor=#88dddd>
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<font face=aircut3/32 color=#ffffff>
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<p align=50%>
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E-Clock
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<font face=aircut3/18 color=#88eeff>
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<p align=50%>
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Small Analogue Clock
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<font face=aircut3/12 color=#ffffff>
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<p align=50%>
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By Horms - 2000
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<p>
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The E-Pinger Epplet can be used to monitor network access to a host
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using ping.
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@ -0,0 +1,482 @@
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <signal.h>
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#include "epplet.h"
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#define BUF_LEN 64
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#define LOG_LEN 7
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#define CMD_LEN 256
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#define LABEL_CHAR 24
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static Epplet_gadget b_close, b_configure, b_help, p_log, pb_log, pb_log_small;
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static Epplet_gadget tb_host, tb_pause;
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static Window win, config_win;
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static int log_entries, nchild;
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static char buf[BUF_LEN];
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static unsigned char *result, *new_result;
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static char *host;
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static int pinger_pause=30;
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static char cmd[CMD_LEN];
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static int pinger_when;
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static int new_ping;
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#define CMD_BASE "{ HOST=\"%s\"; if ping -c 10 $HOST | fgrep -q time= ; then echo online: $HOST; else echo offline: $HOST; fi ; }"
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#define DEFAULT_PAUSE_STR "10"
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/*
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* #define CMD_BASE "{ HOST=\"%s\"; echo Stix >& 2 ; if ping -c 10 $HOST | fgrep -q time= ; then echo $HOST online; else echo $HOST offline; fi ; } 2>/dev/null"
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* #define DEFAULT_PAUSE_STR "60"
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*/
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static void cb_timer(void *data);
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static void cb_close(void *data);
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static void cb_in(void *data, Window w);
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static void cb_out(void *data, Window w);
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static void cb_help(void *data);
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static int bg_system(char *command);
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static int nb_read (int fd, unsigned char *buffer, int n);
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static void start_ping(void);
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void ping_reaper(void);
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static void
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start_ping (void)
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{
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int now;
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now=time(NULL);
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if(pinger_when == 0 || pinger_when <= now)
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{
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pinger_when=now+pinger_pause;
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bg_system(cmd);
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}
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}
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/**********************************************************************
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* pinger_reaper
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* A signal handler that waits for SIGCHLD and runs wait3 to free
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* the resources of any exited children. This stops zombie processes
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* from hanging around.
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* pre: SIGCHLD is recieved by the process
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* post: Resoerces of any exited children are freed
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* Signal Handler for SIGCHLD reset
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**********************************************************************/
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void pinger_reaper(void){
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int status;
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signal(SIGCHLD, (void(*)(int))pinger_reaper);
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while(wait3(&status, WNOHANG, 0)>0){ nchild--; }
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}
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/* Run a command as a child process, that is in the "background".
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* Modified from man system(2) */
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static int
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bg_system (char *command)
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{
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int pid;
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extern char **environ;
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extern int errno;
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/* Seat reaper so we don't get zombies */
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signal(SIGCHLD, (void(*)(int))pinger_reaper);
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if (command == NULL || *command == '\0')
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return 1;
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pid = fork();
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if (pid == -1)
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return -1;
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if (pid == 0) {
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char *argv[4];
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argv[0] = "sh";
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argv[1] = "-c";
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argv[2] = command;
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argv[3] = NULL;
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execve("/bin/sh", argv, environ);
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exit(127);
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}
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nchild++;
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return(0);
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}
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/* Non-blocking read */
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static int
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nb_read (int fd, unsigned char *buffer, int n)
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{
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int bytes_read;
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int status;
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size_t offset;
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fd_set except_template;
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fd_set read_template;
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struct timeval timeout;
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offset=0;
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while(offset<n){
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FD_ZERO(&read_template);
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FD_SET(fd, &read_template);
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FD_ZERO(&except_template);
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FD_SET(fd, &except_template);
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timeout.tv_sec=0;
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timeout.tv_usec=0;
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status=select(FD_SETSIZE,&read_template, NULL,&except_template,&timeout);
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if(status<0){
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if(errno!=EINTR){
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perror("nb_read: select");
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return(-1);
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}
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continue; /* Ignore EINTR */
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}
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else if(FD_ISSET(fd, &except_template)){
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fprintf(stderr, "read_token: error on file descriptor");
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return(-1);
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}
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else if(status==0){ /* No data to read */
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return(offset);
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}
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/*If we get this far fd must be ready for reading*/
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if((bytes_read=read(fd, buffer+offset, n-offset))<0){
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perror("read_token: error reading input");
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return(-1);
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}
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if(bytes_read==0){
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return(offset);
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}
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offset+=bytes_read;
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}
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return(offset);
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}
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static void
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cb_close(void *data)
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{
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Epplet_unremember();
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Esync();
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data = NULL;
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exit(0);
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}
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static void
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cb_in(void *data, Window w)
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{
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if (w == Epplet_get_main_window())
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{
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Epplet_gadget_hide(pb_log);
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Epplet_gadget_show(pb_log_small);
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Epplet_gadget_show(b_close);
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Epplet_gadget_show(b_help);
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Epplet_gadget_show(b_configure);
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}
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return;
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data = NULL;
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}
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static void
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cb_out(void *data, Window w)
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{
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if (w == Epplet_get_main_window())
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{
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Epplet_gadget_hide(b_close);
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Epplet_gadget_hide(b_help);
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Epplet_gadget_hide(b_configure);
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Epplet_gadget_hide(pb_log_small);
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Epplet_gadget_show(pb_log);
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}
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return;
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data = NULL;
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}
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static void
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add_log(char *button_string, char *entry_string)
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{
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char *tmp;
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if(button_string != NULL) {
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tmp=strdup(button_string);
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if(strlen(tmp)>LABEL_CHAR){
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*(tmp+LABEL_CHAR)='\0';
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*(tmp+LABEL_CHAR-1)='.';
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*(tmp+LABEL_CHAR-2)='.';
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*(tmp+LABEL_CHAR-3)='.';
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}
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Epplet_change_popbutton_label(pb_log, tmp);
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Epplet_change_popbutton_label(pb_log_small, tmp);
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free(tmp);
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}
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if(entry_string != NULL) {
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Epplet_add_popup_entry(p_log, entry_string, NULL, NULL, NULL);
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if(log_entries>=LOG_LEN){
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Epplet_remove_popup_entry(p_log, 0);
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}
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else{
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log_entries++;
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}
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}
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Epplet_redraw();
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}
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static void
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cb_help(void *data)
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{
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Epplet_show_about("E-Pinger");
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return;
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data = NULL;
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}
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static int
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set_host(char *new_host){
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char *c_p, *last_p;
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if(new_host==NULL || *new_host == '\0'){
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return(0);
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}
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if(host!=NULL){
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free(host);
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}
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for(last_p=new_host+strlen(new_host),c_p=new_host;c_p<last_p;c_p++){
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if(!(isalnum(*c_p) || *c_p == '.' || *c_p == '-')){
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return(-1);
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}
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}
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if((host=strdup(new_host))==NULL){
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perror("set_host: strdup");
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return(-1);
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}
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snprintf(cmd, CMD_LEN, CMD_BASE, host);
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new_ping=1;
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add_log("...", NULL);
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return(0);
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}
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static int
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set_pause(char *new_pause){
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char *c_p;
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char *last_p;
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if(new_pause==NULL || *new_pause == '\0'){
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return(0);
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}
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for(last_p=new_pause+strlen(new_pause),c_p=new_pause;c_p<last_p;c_p++){
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if( !(isdigit(*c_p) )){
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return(-1);
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}
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}
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pinger_pause=atoi(new_pause);
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pinger_when=0;
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return(0);
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}
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static void
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cb_ok(void *data)
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{
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char tmp_buf[BUF_LEN];
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host=NULL;
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if(set_host(Epplet_textbox_contents(tb_host))<0){
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Epplet_change_textbox(tb_host, "*ERROR*");
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Epplet_redraw();
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usleep(100000);
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Epplet_change_textbox(tb_host, host);
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Epplet_redraw();
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return;
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}
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if(set_pause(Epplet_textbox_contents(tb_pause))<0){
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Epplet_change_textbox(tb_pause, "*ERROR*");
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Epplet_redraw();
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usleep(100000);
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snprintf(tmp_buf, BUF_LEN, "%d", pinger_pause);
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Epplet_change_textbox(tb_pause, tmp_buf);
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Epplet_redraw();
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return;
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}
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Epplet_window_destroy(config_win);
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config_win = None;
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Epplet_modify_config("pause", tmp_buf);
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Epplet_modify_config("host", host);
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Epplet_save_config();
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/* Reset timer to check host */
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Epplet_remove_timer("EXEC_TIMER");
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return;
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data = NULL;
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}
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static void
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cb_cancel(void *data)
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{
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Epplet_window_destroy(config_win);
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config_win = None;
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return;
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data = NULL;
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}
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static void
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cb_configure(void *data)
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{
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char tmp_buf[BUF_LEN];
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if (config_win)
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return;
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config_win = Epplet_create_window_config(100, 52, "E-Pinger Configuration", cb_ok, NULL, NULL, NULL, cb_cancel, NULL);
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snprintf(tmp_buf, BUF_LEN, "%d", pinger_pause);
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Epplet_gadget_show(Epplet_create_label(2, 18, "Pause:", 2));
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Epplet_gadget_show(tb_pause = Epplet_create_textbox(
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NULL, tmp_buf, 40, 16, 40, 14, 2, NULL, NULL));
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Epplet_gadget_show(Epplet_create_label(2, 2, "Host:", 2));
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Epplet_gadget_show(tb_host = Epplet_create_textbox(
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NULL, host, 40, 2, 140, 14, 2, NULL, NULL));
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Epplet_window_show(config_win);
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Epplet_window_pop_context();
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return;
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data = NULL;
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}
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static void
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cb_timer(void *data)
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{
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time_t now;
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int nbyte;
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unsigned char *s;
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if((nbyte=nb_read(0, new_result, BUF_LEN))>0){
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new_result[nbyte-1]='\0';
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}
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else {
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if(!nchild){
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start_ping();
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}
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Epplet_timer(cb_timer, NULL, 0.5, "TIMER");
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return;
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}
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if(strncmp(new_result, result, BUF_LEN)){
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s=result;
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result=new_result;
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new_result=s;
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now = time(NULL);
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strncpy(buf, result, BUF_LEN-1);
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strftime(buf+nbyte+1, BUF_LEN-nbyte-1, "%H:%M %a %e %b %G", localtime(&now));
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*(buf+nbyte-1)=':';
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*(buf+nbyte)=' ';
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add_log(result, buf);
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}
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else if(new_ping){
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add_log(result, NULL);
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new_ping=0;
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}
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start_ping();
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Epplet_timer(cb_timer, NULL, 0.5, "TIMER");
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return;
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data = NULL;
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}
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int
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main(int argc, char **argv)
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{
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int filedes[2];
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atexit(Epplet_cleanup);
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Epplet_Init("E-Pinger", "0.1", "Enlightenment Pinger Epplet",
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6, 1, argc, argv, 0);
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Epplet_timer(cb_timer, NULL, 0.05, "TIMER");
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/* Seat reaper so we don't get zombies */
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signal(SIGCHLD, (void(*)(int))pinger_reaper);
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/* Nasty. Assume that pipe will use fd 0 and 1, so
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* we can read the ouput of child commands writing to
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* strdout by reading 0.
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*/
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close(0);
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close(1);
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if(pipe(filedes)<0){
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perror("main: pipe");
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return(-1);
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}
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pinger_when=0;
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start_ping();
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/* Seat reaper so we don't get zombies */
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signal(SIGCHLD, (void(*)(int))pinger_reaper);
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log_entries=0;
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b_close = Epplet_create_button(NULL, NULL,
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2, 2, 0, 0, "CLOSE", 0, NULL,
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cb_close, NULL);
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b_configure = Epplet_create_button(NULL, NULL,
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66, 2, 0, 0, "CONFIGURE", win, NULL,
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cb_configure, NULL);
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b_help = Epplet_create_button(NULL, NULL,
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82, 2, 0, 0, "HELP", win, NULL,
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cb_configure, NULL);
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if((result=(unsigned char *)malloc(BUF_LEN))==NULL){
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perror("main: malloc result");
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return(-1);
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}
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*result='\0';
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if((new_result=(unsigned char *)malloc(BUF_LEN))==NULL){
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perror("main: malloc new_result");
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return(-1);
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}
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*new_result='\0';
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p_log = Epplet_create_popup();
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pb_log=Epplet_create_popupbutton("Flim", NULL, 0, 0, 96, 16, NULL, p_log);
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pb_log_small=Epplet_create_popupbutton("Flim", NULL, 16, 0, 64, 16,
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NULL, p_log);
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Epplet_gadget_show(pb_log);
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Epplet_register_focus_in_handler(cb_in, NULL);
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Epplet_register_focus_out_handler(cb_out, NULL);
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win = Epplet_get_main_window();
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Epplet_load_config();
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set_host(Epplet_query_config("host"));
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set_pause(Epplet_query_config_def("pause", DEFAULT_PAUSE_STR));
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Epplet_show();
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Epplet_Loop();
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return 0;
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}
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@ -8,10 +8,12 @@ E-MemWatch.epplet E-Disk.epplet E-Areas.epplet E-Magic.epplet E-Toolbox.epplet \
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E-NetFlame.epplet E-Sys.epplet E-ScreenShoot.epplet E-Slides.epplet \
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E-Xss.epplet E-Mountbox.epplet E-Exec.epplet @ESD_PROGS@ @PLAYCD_PROGS@ \
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E-ScreenSave.epplet E-NetGraph.epplet E-MoonClock.epplet E-UrlWatch.epplet \
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E-LoadMeter.epplet E-GtkRc.epplet
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E-LoadMeter.epplet E-GtkRc.epplet E-Pinger.epplet
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EXTRA_PROGRAMS = EppletTest.epplet EppletConfigTest.epplet E-Mixer.epplet \
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Emix.epplet E-PlayCD.epplet E-OpenGL-Demo.epplet E-SD.epplet
|
||||
Emix.epplet E-PlayCD.epplet E-OpenGL-Demo.epplet \
|
||||
E-SD.epplet
|
||||
|
||||
################ Conditional Builds ################
|
||||
E_Mixer_epplet_SOURCES = E-Mixer.c
|
||||
|
|
@ -158,6 +160,10 @@ E_Mountbox_epplet_SOURCES = E-Mountbox.c E-Mountbox.h
|
|||
E_Mountbox_epplet_DEPENDENCIES = $(top_builddir)/api/libepplet.la
|
||||
E_Mountbox_epplet_LDFLAGS = -rpath $(libdir):$(pkglibdir)
|
||||
|
||||
E_Pinger_epplet_SOURCES = E-Pinger.c
|
||||
E_Pinger_epplet_DEPENDENCIES = $(top_builddir)/api/libepplet.la
|
||||
E_Pinger_epplet_LDFLAGS = -rpath $(libdir):$(pkglibdir)
|
||||
|
||||
INCLUDES = -I. -I$(top_builddir)/api -I$(top_srcdir)/api -I$(top_srcdir) -I.. -I$(includedir) -I$(prefix)/include -I/usr/local/include $(X_CFLAGS) @SGI_DEFINES@
|
||||
LDADD = $(top_builddir)/api/libepplet.la -L$(libdir) -L$(prefix)/lib -L/usr/local/lib $(LIBS) $(X_LIBS)
|
||||
|
||||
|
|
@ -174,7 +180,7 @@ E-ScreenShoot.ABOUT/E_ScreenShoot_buttons.png \
|
|||
E-ScreenShoot.ABOUT/E_ScreenShoot_cloak.png E-ScreenShoot.ABOUT/MAIN \
|
||||
Emix.ABOUT/MAIN E-UrlWatch.ABOUT/MAIN E-PlayCD.ABOUT/EPlayCD.jpg \
|
||||
E-PlayCD.ABOUT/MAIN E-PlayCD.ABOUT/E-PlayCD_Controls.png \
|
||||
E-GtkRc.ABOUT/MAIN
|
||||
E-GtkRc.ABOUT/MAIN E-Pinger.ABOUT/MAIN
|
||||
|
||||
|
||||
# ICONS = `(cd epplets && ls -1d icons/*.icon | grep -v CVS)`
|
||||
|
|
@ -241,8 +247,8 @@ E-Toolbox-data/sample.cfg E-Toolbox-data/popup-sample.cfg E-Toolbox-data/default
|
|||
|
||||
EXTRA_DIST = ${ICONS} ${ABOUT_DOCS} ${DATA_FILES}
|
||||
|
||||
NEED_FONT = E-Clock E-Mixer E-MoonClock E-Mountbox E-NetFlame E-Power E-SD E-ScreenSave E-ScreenShoot Emix E-UrlWatch E-PlayCD E-OpenGL-Demo E-GtkRc
|
||||
NEED_BG = E-Clock E-Mixer E-MoonClock E-Mountbox E-NetFlame E-Power E-SD E-ScreenSave E-ScreenShoot Emix E-UrlWatch E-PlayCD E-OpenGL-Demo E-GtkRc
|
||||
NEED_FONT = E-Clock E-Mixer E-MoonClock E-Mountbox E-NetFlame E-Power E-SD E-ScreenSave E-ScreenShoot Emix E-UrlWatch E-PlayCD E-OpenGL-Demo E-GtkRc E-Pinger
|
||||
NEED_BG = E-Clock E-Mixer E-MoonClock E-Mountbox E-NetFlame E-Power E-SD E-ScreenSave E-ScreenShoot Emix E-UrlWatch E-PlayCD E-OpenGL-Demo E-GtkRc E-Pinger
|
||||
BG_SRC = E-Cpu.ABOUT/bg.png
|
||||
FONT_SRC = E-Cpu.ABOUT/aircut3.ttf
|
||||
|
||||
|
|
|
|||
|
|
@ -51,7 +51,7 @@ main(int argc, char **argv)
|
|||
{
|
||||
Epplet_gadget p;
|
||||
|
||||
Epplet_Init("E-Clock", "0.1", "Enlightenment Clock Epplet",
|
||||
Epplet_Init("E-TestEpplet", "0.1", "Enlightenment Test Epplet",
|
||||
12, 4, argc, argv, 0);
|
||||
Epplet_timer(cb_timer, NULL, 0.05, "TIMER");
|
||||
Epplet_gadget_show(Epplet_create_button("Test", NULL,
|
||||
|
|
|
|||
Loading…
Reference in New Issue