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📄 10-at-a-time.c(4.24 KB)
📄 Makefile.example(1.86 KB)
📄 README.md(1.35 KB)
📄 altsvc.c(1.83 KB)
📄 anyauthput.c(4.82 KB)
📄 cacertinmem.c(7.14 KB)
📄 certinfo.c(2.25 KB)
📄 chkspeed.c(6.54 KB)
📄 cookie_interface.c(4.03 KB)
📄 crawler.c(6.53 KB)
📄 curlgtk.c(2.94 KB)
📄 curlx.c(16.41 KB)
📄 debug.c(4.21 KB)
📄 ephiperfifo.c(14.49 KB)
📄 evhiperfifo.c(11.9 KB)
📄 externalsocket.c(4.83 KB)
📄 fileupload.c(2.78 KB)
📄 fopen.c(13.87 KB)
📄 ftp-wildcard.c(4.15 KB)
📄 ftpget.c(2.59 KB)
📄 ftpgetinfo.c(2.86 KB)
📄 ftpgetresp.c(2.51 KB)
📄 ftpsget.c(2.89 KB)
📄 ftpupload.c(4.48 KB)
📄 ftpuploadfrommem.c(3.81 KB)
📄 ftpuploadresume.c(4.24 KB)
📄 getinfo.c(1.62 KB)
📄 getinmemory.c(3.24 KB)
📄 getredirect.c(2.3 KB)
📄 getreferrer.c(1.81 KB)
📄 ghiper.c(12.04 KB)
📄 hiperfifo.c(11.97 KB)
📄 href_extractor.c(2.61 KB)
📄 htmltidy.c(3.88 KB)
📄 htmltitle.cpp(6.23 KB)
📄 http-post.c(1.99 KB)
📄 http2-download.c(6.19 KB)
📄 http2-pushinmemory.c(5.02 KB)
📄 http2-serverpush.c(7.1 KB)
📄 http2-upload.c(8.05 KB)
📄 http3-present.c(1.53 KB)
📄 http3.c(1.81 KB)
📄 httpcustomheader.c(2.27 KB)
📄 httpput-postfields.c(3.36 KB)
📄 httpput.c(3.6 KB)
📄 https.c(2.53 KB)
📄 imap-append.c(3.77 KB)
📄 imap-authzid.c(2.21 KB)
📄 imap-copy.c(2.35 KB)
📄 imap-create.c(2.06 KB)
📄 imap-delete.c(2.06 KB)
📄 imap-examine.c(2.11 KB)
📄 imap-fetch.c(1.95 KB)
📄 imap-list.c(2.08 KB)
📄 imap-lsub.c(2.08 KB)
📄 imap-multi.c(2.29 KB)
📄 imap-noop.c(2 KB)
📄 imap-search.c(2.35 KB)
📄 imap-ssl.c(3.25 KB)
📄 imap-store.c(2.69 KB)
📄 imap-tls.c(3.5 KB)
📄 makefile.dj(1.58 KB)
📄 multi-app.c(3.36 KB)
📄 multi-debugcallback.c(4.21 KB)
📄 multi-double.c(2.62 KB)
📄 multi-event.c(6.01 KB)
📄 multi-formadd.c(3.23 KB)
📄 multi-legacy.c(5.13 KB)
📄 multi-post.c(3.04 KB)
📄 multi-single.c(2.49 KB)
📄 multi-uv.c(5.97 KB)
📄 multithread.c(2.59 KB)
📄 opensslthreadlock.c(2.69 KB)
📄 parseurl.c(2.13 KB)
📄 persistent.c(2.15 KB)
📄 pop3-authzid.c(2.18 KB)
📄 pop3-dele.c(2.15 KB)
📄 pop3-list.c(1.93 KB)
📄 pop3-multi.c(2.29 KB)
📄 pop3-noop.c(2.11 KB)
📄 pop3-retr.c(1.93 KB)
📄 pop3-ssl.c(3.22 KB)
📄 pop3-stat.c(2.13 KB)
📄 pop3-tls.c(3.47 KB)
📄 pop3-top.c(2.09 KB)
📄 pop3-uidl.c(2.03 KB)
📄 post-callback.c(5.15 KB)
📄 postinmemory.c(3.36 KB)
📄 postit2-formadd.c(3.51 KB)
📄 postit2.c(3.41 KB)
📄 progressfunc.c(4.8 KB)
📄 resolve.c(1.92 KB)
📄 rtsp.c(9.02 KB)
📄 sampleconv.c(3.25 KB)
📄 sendrecv.c(4.52 KB)
📄 sepheaders.c(2.67 KB)
📄 sessioninfo.c(3.06 KB)
📄 sftpget.c(3.25 KB)
📄 sftpuploadresume.c(3.82 KB)
📄 shared-connection-cache.c(2.51 KB)
📄 simple.c(1.68 KB)
📄 simplepost.c(1.83 KB)
📄 simplessl.c(4.56 KB)
📄 smooth-gtk-thread.c(6.01 KB)
📄 smtp-authzid.c(5.33 KB)
📄 smtp-expn.c(2.55 KB)
📄 smtp-mail.c(4.86 KB)
📄 smtp-mime.c(5.47 KB)
📄 smtp-multi.c(4.54 KB)
📄 smtp-ssl.c(5.75 KB)
📄 smtp-tls.c(6.21 KB)
📄 smtp-vrfy.c(2.62 KB)
📄 sslbackend.c(2.29 KB)
📄 synctime.c(12.6 KB)
📄 threaded-ssl.c(4.34 KB)
📄 url2file.c(2.43 KB)
📄 urlapi.c(1.98 KB)
📄 usercertinmem.c(8.87 KB)
📄 xmlstream.c(4.94 KB)

Editing: smooth-gtk-thread.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/
/* <DESC>
 * A multi threaded application that uses a progress bar to show
 * status.  It uses Gtk+ to make a smooth pulse.
 * </DESC>
 */
/*
 * Written by Jud Bishop after studying the other examples provided with
 * libcurl.
 *
 * To compile (on a single line):
 * gcc -ggdb `pkg-config --cflags  --libs gtk+-2.0` -lcurl -lssl -lcrypto
 *   -lgthread-2.0 -dl  smooth-gtk-thread.c -o smooth-gtk-thread
 */

#include <stdio.h>
#include <gtk/gtk.h>
#include <glib.h>
#include <unistd.h>
#include <pthread.h>

#include <curl/curl.h>

#define NUMT 4

pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
int j = 0;
gint num_urls = 9; /* Just make sure this is less than urls[]*/
const char * const urls[]= {
  "90022",
  "90023",
  "90024",
  "90025",
  "90026",
  "90027",
  "90028",
  "90029",
  "90030"
};

size_t write_file(void *ptr, size_t size, size_t nmemb, FILE *stream)
{
  /* printf("write_file\n"); */
  return fwrite(ptr, size, nmemb, stream);
}

/* https://weather.com/weather/today/l/46214?cc=*&dayf=5&unit=i */
void *pull_one_url(void *NaN)
{
  /* Stop threads from entering unless j is incremented */
  pthread_mutex_lock(&lock);
  while(j < num_urls) {
    CURL *curl;
    gchar *http;

printf("j = %d\n", j);

http =
      g_strdup_printf("xoap.weather.com/weather/local/%s?cc=*&dayf=5&unit=i\n",
                      urls[j]);

printf("http %s", http);

curl = curl_easy_init();
    if(curl) {

FILE *outfile = fopen(urls[j], "wb");

/* Set the URL and transfer type */
      curl_easy_setopt(curl, CURLOPT_URL, http);

/* Write to the file */
      curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
      curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_file);

j++;  /* critical line */
      pthread_mutex_unlock(&lock);

curl_easy_perform(curl);

fclose(outfile);
      printf("fclose\n");

curl_easy_cleanup(curl);
    }
    g_free(http);

/* Adds more latency, testing the mutex.*/
    sleep(1);

} /* end while */
  return NULL;
}

gboolean pulse_bar(gpointer data)
{
  gdk_threads_enter();
  gtk_progress_bar_pulse(GTK_PROGRESS_BAR (data));
  gdk_threads_leave();

/* Return true so the function will be called again;
   * returning false removes this timeout function.
   */
  return TRUE;
}

void *create_thread(void *progress_bar)
{
  pthread_t tid[NUMT];
  int i;

/* Make sure I don't create more threads than urls. */
  for(i = 0; i < NUMT && i < num_urls ; i++) {
    int error = pthread_create(&tid[i],
                               NULL, /* default attributes please */
                               pull_one_url,
                               NULL);
    if(0 != error)
      fprintf(stderr, "Couldn't run thread number %d, errno %d\n", i, error);
    else
      fprintf(stderr, "Thread %d, gets %s\n", i, urls[i]);
  }

/* Wait for all threads to terminate. */
  for(i = 0; i < NUMT && i < num_urls; i++) {
    pthread_join(tid[i], NULL);
    fprintf(stderr, "Thread %d terminated\n", i);
  }

/* This stops the pulsing if you have it turned on in the progress bar
     section */
  g_source_remove(GPOINTER_TO_INT(g_object_get_data(G_OBJECT(progress_bar),
                                                    "pulse_id")));

/* This destroys the progress bar */
  gtk_widget_destroy(progress_bar);

/* [Un]Comment this out to kill the program rather than pushing close. */
  /* gtk_main_quit(); */

return NULL;

}

static gboolean cb_delete(GtkWidget *window, gpointer data)
{
  gtk_main_quit();
  return FALSE;
}

int main(int argc, char **argv)
{
  GtkWidget *top_window, *outside_frame, *inside_frame, *progress_bar;

/* Must initialize libcurl before any threads are started */
  curl_global_init(CURL_GLOBAL_ALL);

/* Init thread */
  g_thread_init(NULL);
  gdk_threads_init();
  gdk_threads_enter();

gtk_init(&argc, &argv);

/* Base window */
  top_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

/* Frame */
  outside_frame = gtk_frame_new(NULL);
  gtk_frame_set_shadow_type(GTK_FRAME(outside_frame), GTK_SHADOW_OUT);
  gtk_container_add(GTK_CONTAINER(top_window), outside_frame);

/* Frame */
  inside_frame = gtk_frame_new(NULL);
  gtk_frame_set_shadow_type(GTK_FRAME(inside_frame), GTK_SHADOW_IN);
  gtk_container_set_border_width(GTK_CONTAINER(inside_frame), 5);
  gtk_container_add(GTK_CONTAINER(outside_frame), inside_frame);

/* Progress bar */
  progress_bar = gtk_progress_bar_new();
  gtk_progress_bar_pulse(GTK_PROGRESS_BAR (progress_bar));
  /* Make uniform pulsing */
  gint pulse_ref = g_timeout_add(300, pulse_bar, progress_bar);
  g_object_set_data(G_OBJECT(progress_bar), "pulse_id",
                    GINT_TO_POINTER(pulse_ref));
  gtk_container_add(GTK_CONTAINER(inside_frame), progress_bar);

gtk_widget_show_all(top_window);
  printf("gtk_widget_show_all\n");

g_signal_connect(G_OBJECT (top_window), "delete-event",
                   G_CALLBACK(cb_delete), NULL);

if(!g_thread_create(&create_thread, progress_bar, FALSE, NULL) != 0)
    g_warning("can't create the thread");

gtk_main();
  gdk_threads_leave();
  printf("gdk_threads_leave\n");

return 0;
}

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Editing: smooth-gtk-thread.c

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