commit e5b3a31498323c834340e105c07bbc34015d82d2
parent 0ea9cf0946928745b0a9a7c0ada8fa4f1bfeccdf
Author: Louis Burda <quent.burda@gmail.com>
Date: Tue, 29 Sep 2020 12:24:09 +0200
Remove patch original from tree
Diffstat:
| D | wmsl.c.orig | | | 301 | ------------------------------------------------------------------------------- |
1 file changed, 0 insertions(+), 301 deletions(-)
diff --git a/wmsl.c.orig b/wmsl.c.orig
@@ -1,301 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <signal.h>
-
-#include <X11/Xlib.h>
-
-#define ARRSIZE(x) (sizeof(x)/sizeof(x[0]))
-#define OUTPUTMAX 256
-#define STATUSMAX 1024
-
-enum block_state {
- IDLE,
- READY
-};
-
-struct block {
- const char *command;
- unsigned int id, sleep_max;
- int flags;
- const char *prefix, *suffix;
- float sleep_left;
- char output[OUTPUTMAX];
-};
-
-static void die(int rc, const char *errstr, ...);
-static void signal_handler(int sig, siginfo_t *info, void *context);
-static void concat_status(const char *text, size_t len);
-static void update_blocks();
-static void sleep_till_next();
-static float get_elapsed();
-static void set_status_var(const char *str);
-static void clean_status();
-static void debug(const char *fmtstr, ...);
-
-static const char* pid_file = "/tmp/.wmsl-pid";
-static char status_text[STATUSMAX];
-static float last_sleep;
-static Display* dpy;
-static Window root;
-static size_t status_len;
-static int verbose;
-static pid_t pid;
-
-#include "blocks.h"
-
-void
-die(int rc, const char *errstr, ...)
-{
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(rc);
-}
-
-void
-signal_handler(int sig, siginfo_t *info, void *context)
-{
- int i, block_id;
-
- block_id = info->si_value.sival_int;
- if (!block_id || info->si_pid == pid) return;
-
- debug("received signal for block with id %i\n", block_id);
-
- for (i = 0; i < ARRSIZE(blocks); i++) {
- if (blocks[i].id == block_id) {
- blocks[i].flags |= READY;
- break;
- }
- }
-}
-
-void
-concat_status(const char *text, size_t len)
-{
- if (status_len + len + 1 > STATUSMAX)
- die(EXIT_FAILURE, "wmsl: status line too large (>%i)\n",
- STATUSMAX);
- memcpy(&status_text[status_len], text, len);
- status_len += len;
- status_text[status_len] = '\0';
-}
-
-void
-update_blocks()
-{
- FILE *cmd;
- int i, output_len, update;
- char tmp_output[OUTPUTMAX];
-
- debug("checking block output..\n");
-
- memcpy(status_text, prefix, ARRSIZE(prefix) - 1);
-
- /* construct status string */
- concat_status(prefix, ARRSIZE(prefix) - 1);
- for (status_len = update = i = 0; i < ARRSIZE(blocks); i++) {
- if ((blocks[i].flags & READY) ||
- blocks[i].sleep_max && blocks[i].sleep_left <= 0.5) {
- blocks[i].sleep_left = blocks[i].sleep_max;
- blocks[i].flags = IDLE;
-
- /* get command output */
- cmd = popen(blocks[i].command, "r");
- if (!cmd)
- continue;
-
- if (!fgets(tmp_output, OUTPUTMAX, cmd)) {
- output_len = 0;
- } else {
- output_len = strlen(tmp_output);
- if (tmp_output[output_len - 1] == '\n')
- output_len -= 1;
- }
-
- pclose(cmd);
-
- if (output_len != strlen(blocks[i].output)
- || strncmp(tmp_output, blocks[i].output, output_len)) {
- memcpy(blocks[i].output, tmp_output, output_len);
- blocks[i].output[output_len] = '\0';
- debug("new output from cmd: %s\n", blocks[i].command);
- update = 1;
- }
- } else {
- output_len = strlen(blocks[i].output);
- }
-
- if (output_len) {
- if (status_len > 0)
- concat_status(delim, ARRSIZE(delim) - 1);
- if (blocks[i].prefix)
- concat_status(blocks[i].prefix, strlen(blocks[i].prefix));
- concat_status(blocks[i].output, output_len);
- if (blocks[i].suffix)
- concat_status(blocks[i].suffix, strlen(blocks[i].suffix));
- }
- }
- if (!update) return;
-
- concat_status(suffix, ARRSIZE(suffix) - 1);
-
- set_status_var(status_text);
-}
-
-void
-sleep_till_next()
-{
- int i, minsleep;
-
- last_sleep = 0; /* reset last_sleep in case we return early */
- for (i = 0, minsleep = 0; i < ARRSIZE(blocks); i++) {
- if ((blocks[i].flags & READY) ||
- blocks[i].sleep_max && blocks[i].sleep_left <= 0)
- return;
- if (!minsleep || blocks[i].sleep_max && blocks[i].sleep_left < minsleep)
- minsleep = ceil(blocks[i].sleep_left);
- }
-
- if (minsleep < 1)
- minsleep = 1;
-
- debug("sleeping for %i seconds\n", minsleep);
-
- alarm(minsleep);
- pause();
-
- last_sleep = get_elapsed();
- debug("slept for %f seconds\n", last_sleep);
-}
-
-float
-get_elapsed()
-{
- static struct timespec last = { .tv_nsec = -1 };
- struct timespec cur;
- float diff;
-
- if (clock_gettime(CLOCK_MONOTONIC, &cur) == -1)
- die(EXIT_FAILURE, "wmsl: failed to get time via clock()\n");
-
- if (last.tv_nsec == -1)
- diff = 0;
- else
- diff = cur.tv_sec - last.tv_sec
- + (cur.tv_nsec - last.tv_nsec) / 1000000000.f;
-
- last = cur;
- return diff;
-}
-
-void
-set_status_var(const char *str)
-{
- XStoreName(dpy, root, str);
- XFlush(dpy);
-}
-
-void
-clean_status()
-{
- set_status_var("");
- exit(EXIT_FAILURE);
-}
-
-void
-debug(const char *fmtstr, ...)
-{
- char buf[9], *fmtalloc;
- time_t epoch;
- struct tm *tm;
- va_list ap;
- int len;
-
- if (!verbose)
- return;
-
- time(&epoch);
- tm = localtime(&epoch);
-
- va_start(ap, fmtstr);
- fmtalloc = malloc(strlen(fmtstr) + 12);
- strftime(fmtalloc, 12, "[%T] ", tm);
- strcpy(fmtalloc + 11, fmtstr);
- vprintf(fmtalloc, ap);
- va_end(ap);
- free(fmtalloc);
-}
-
-int
-main(int argc, const char **argv)
-{
- struct sigaction sa;
- int i, screen, sleep;
- FILE* f;
-
- for (i = 1; i < argc; i++) {
- if (argv[i][0] == '-')
- switch (argv[i][1]) {
- case 'v':
- verbose = 1;
- break;
- case 'h':
- default:
- die(EXIT_SUCCESS, "USAGE: wmsl [-h] [-v]\n");
- }
- }
-
- /* get root window */
- dpy = XOpenDisplay(NULL);
- if (!dpy)
- die(EXIT_FAILURE, "wmsl: Failed to open display\n");
- screen = DefaultScreen(dpy);
- root = RootWindow(dpy, screen);
-
- /* setup signal handlers */
- sigemptyset(&sa.sa_mask);
- sa.sa_handler = NULL;
- sa.sa_sigaction = signal_handler;
- sa.sa_flags = SA_RESTART | SA_SIGINFO;
- if (sigaction(SIGALRM, &sa, NULL) == -1)
- die(EXIT_FAILURE, "wmsl: Failed to setup signal handler (SIGALRM)\n");
-
- signal(SIGINT, clean_status);
- signal(SIGTERM, clean_status);
-
- /* save pid */
- pid = getpid();
- f = fopen(pid_file, "w+");
- if (!f)
- die(EXIT_FAILURE, "wmsl: Failed to open pid file %s\n", pid_file);
- fprintf(f, "%i", pid);
- fclose(f);
-
- /* check if any blocks require timers */
- for (i = 0; i < ARRSIZE(blocks); i++)
- if (blocks[i].sleep_max != 0) break;
-
- if (i != ARRSIZE(blocks)) {
- get_elapsed();
- while (1) {
- sleep_till_next();
- for (i = 0; i < ARRSIZE(blocks); i++)
- if (blocks[i].sleep_max)
- blocks[i].sleep_left -= last_sleep;
- update_blocks();
- }
- } else {
- while (1) {
- pause();
- update_blocks();
- }
- }
-}
