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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <dirent.h>
#include <string.h>
#include "config.h"
#include "get.h"
#include "parameters.h"
#include "path.h"
#include "valid.h"
#include <out.h>
#include <opt.h>
#include <statf.h>
#include <format.h>
static const char ver_ctrl_id[] = "$Id: snget.c 36 2004-04-27 16:52:02Z patrik $";
int debug = 0;
void usage (void)
{
fail(1, "Usage:%s [-h Bps] "
"[-p concurrency] [-c pipelinedepth] [-m max]", progname);
}
/* Main function - uses variables and functions from get.c */
int main (int argc, char **argv)
{
char optdebugbuf[7];
int n, mark;
char *cp;
progname = ((cp = strrchr(argv[0], '/')) ? cp + 1 : argv[0]);
while ((n = opt_get(argc, argv, "pthcmo")) > -1)
switch (n)
{
case 'd':
if (++debug < 6)
{
if (!optdebug)
strcpy(optdebug = optdebugbuf, "-d");
else
strcat(optdebug, "d");
}
break;
case 'V': version(); _exit(0);
case 't':
if (!opt_arg)
usage();
LOG("option \"-t %s\" no longer supported", opt_arg);
break;
case 'p':
if (!opt_arg)
usage();
concurrency = strtoul(opt_arg, &cp, 10);
if (concurrency > MAX_CONCURRENCY || concurrency <= 0 || *cp)
fail(1, "Bad value for concurrency option -p");
break;
case 'h':
if (!opt_arg)
usage();
throttlerate = strtoul(opt_arg, &cp, 10);
if (throttlerate < 0)
fail(1, "Bad value for throttle option -h");
break;
case 'c':
if (!(optpipelining = opt_arg))
usage();
if (strtoul(optpipelining, &cp, 10) < 0 || *cp)
fail(1, "Bad value for pipeline option -c");
break;
case 'm':
if (!(optmax = opt_arg))
usage();
if (strtoul(optmax, &cp, 10) <= 0 || *cp)
fail(1, "Bad value for max-prime-articles option -m");
break;
case 'P':
optlogpid = TRUE;
log_with_pid();
break;
default:
usage();
}
close(0);
open("/dev/null", O_RDONLY);
/* snag 6 and 7 so we can dup onto them */
if (-1 == dup2(2, 6) || -1 == dup2(2, 7) || -1 == dup2(2, 1))
fail(2, "Unable to dup standard error:%m");
parameters(TRUE);
if (-1 == chdir(snroot))
fail(2, "chdir(%s):%m", snroot);
init();
if (-1 == set_path_var())
fail(2, "No memory");
n = 0;
if (opt_ind == argc)
{
DIR *dir;
struct dirent *dp;
struct stat st;
char ch;
if (!(dir = opendir(".")))
fail(2, "opendir(%s):%m", snroot);
while ((dp = readdir(dir)))
if (is_valid_group(dp->d_name))
if (-1 == readlink(dp->d_name, &ch, 1)) /* no symlinks */
if (0 == statf(&st, "%s/.outgoing", dp->d_name))
if (S_ISDIR(st.st_mode))
if (add(dp->d_name) > -1) /* NB: add() from get.c */
n++;
closedir(dir);
}
else
{
debug++;
for (; opt_ind < argc; opt_ind++)
if (add(argv[opt_ind]) > -1)
n++;
debug--;
}
if (n == 0)
fail(0, "No groups to fetch");
for (mark = 0; jobs_not_done(); mark++)
{
struct timeval tv;
fd_set rset;
int max;
while (sow() == 0) /* Start some jobs */
;
FD_ZERO(&rset);
if (throttlerate)
{
max = throttle_setfds(&rset);
if (sigusr)
{
sigusr = FALSE;
LOG("throttling at %d bytes/sec", throttlerate);
}
}
else
max = -1;
tv.tv_sec = 1;
tv.tv_usec = 0;
if (select(max + 1, &rset, NULL, NULL, &tv) > 0)
if (throttlerate)
throttle(&rset);
if (sigchld || 1 == mark % 10)
{
sigchld = FALSE;
while (reap() == 0)
;
}
}
quit();
_exit(0);
}
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