94 lines
3 KiB
C
94 lines
3 KiB
C
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/*
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wmget - A background download manager as a Window Maker dock app
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Copyright (c) 2001-2003 Aaron Trickey <aaron@amtrickey.net>
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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********************************************************************
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cancel.c - Client code for canceling download requests
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When invoked with the ``cancel'' argument, main() calls cancel(),
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defined below. This code expects a job ID and forms and submits
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a CANCEL request to the server.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "wmget.h"
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int cancel (int argc, char **argv)
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{
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char line[MAXCMDLEN + 1];
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char *word_break;
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FILE *fp;
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job_id_t job_id;
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/* The argument vector we receive is guaranteed to start with
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* { <program-name>, cancel }. Currently, we don't support any
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* options or anything; we just expect a single nonzero job ID.
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*/
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if (argc < 3) {
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error ("What do you want me to cancel? (Missing job number)");
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return 1;
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} else if (argc > 3) {
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error ("Extra arguments: cancel takes only a job number");
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return 1;
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} else if (!(job_id = strtoul (argv[2], &word_break, 0))
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|| *word_break) {
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error ("Invalid job number (must be an integer > 0)");
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return 1;
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}
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if (!(fp = iq_client_connect ()))
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return 1;
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if (fprintf (fp, "CANCEL JOBID(%lu)\r\n", job_id) == EOF) {
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error_sys ("Could not submit command to server");
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fclose (fp);
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return 1;
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}
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if (!fgets (line, sizeof line - 1, fp)) {
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error ("Server did not respond to command!");
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fclose (fp);
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return 1;
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}
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/* Extract the first word and compare. */
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word_break = line + strcspn (line, " \t\r\n");
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if (*word_break)
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*word_break++ = 0;
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if (strcasecmp (line, RESPONSE_JOB_CANCELED)) {
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error ("Server responded with error: %s", word_break);
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fclose (fp);
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return 1;
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}
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fclose (fp);
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return 0;
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}
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