/*
* "$Id$"
*
- * Backend test program for the Common UNIX Printing System (CUPS).
+ * Backend test program for CUPS.
*
- * Copyright 2007-2009 by Apple Inc.
- * Copyright 1997-2005 by Easy Software Products, all rights reserved.
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 1997-2005 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * "LICENSE" which should have been included with this file. If this
- * file is missing or damaged, see the license at "http://www.cups.org/".
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * "LICENSE" which should have been included with this file. If this
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * main() - Run the named backend.
- * usage() - Show usage information.
- * walk_cb() - Show results of cupsSideChannelSNMPWalk...
+ * This file is subject to the Apple OS-Developed Software exception.
*/
/*
* Include necessary headers.
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <cups/string.h>
+#include <cups/string-private.h>
#include <cups/cups.h>
#include <cups/sidechannel.h>
#include <unistd.h>
#include <fcntl.h>
-#include <errno.h>
#include <sys/wait.h>
+#include <signal.h>
+
+
+/*
+ * Local globals...
+ */
+
+static int job_canceled = 0;
/*
* Local functions...
*/
-static void usage(void);
+static void sigterm_handler(int sig);
+static void usage(void) __attribute__((noreturn));
static void walk_cb(const char *oid, const char *data, int datalen,
void *context);
*
* Usage:
*
- * betest [-s] [-t] device-uri job-id user title copies options [file]
+ * testbackend [-s] [-t] device-uri job-id user title copies options [file]
*/
int /* O - Exit status */
char *argv[]) /* I - Command-line arguments */
{
int first_arg, /* First argument for backend */
- do_query = 0, /* Do PostScript query? */
+ do_cancel = 0, /* Simulate a cancel-job via SIGTERM */
+ do_ps = 0, /* Do PostScript query+test? */
+ do_pcl = 0, /* Do PCL query+test? */
do_side_tests = 0, /* Test side-channel ops? */
do_trickle = 0, /* Trickle data to backend */
do_walk = 0, /* Do OID lookup (0) or walking (1) */
const char *oid = ".1.3.6.1.2.1.43.10.2.1.4.1.1";
/* OID to lookup or walk */
char scheme[255], /* Scheme in URI == backend */
- backend[1024]; /* Backend path */
+ backend[1024], /* Backend path */
+ libpath[1024], /* Path for libcups */
+ *ptr; /* Pointer into path */
const char *serverbin; /* CUPS_SERVERBIN environment variable */
- int back_fds[2], /* Back-channel pipe */
+ int fd, /* Temporary file descriptor */
+ back_fds[2], /* Back-channel pipe */
side_fds[2], /* Side-channel socket */
data_fds[2], /* Data pipe */
+ back_pid = -1, /* Backend process ID */
+ data_pid = -1, /* Trickle process ID */
pid, /* Process ID */
status; /* Exit status */
+ /*
+ * Get the current directory and point the run-time linker at the "cups"
+ * subdirectory...
+ */
+
+ if (getcwd(libpath, sizeof(libpath)) &&
+ (ptr = strrchr(libpath, '/')) != NULL && !strcmp(ptr, "/backend"))
+ {
+ strlcpy(ptr, "/cups", sizeof(libpath) - (size_t)(ptr - libpath));
+ if (!access(libpath, 0))
+ {
+#ifdef __APPLE__
+ fprintf(stderr, "Setting DYLD_LIBRARY_PATH to \"%s\".\n", libpath);
+ setenv("DYLD_LIBRARY_PATH", libpath, 1);
+#else
+ fprintf(stderr, "Setting LD_LIBRARY_PATH to \"%s\".\n", libpath);
+ setenv("LD_LIBRARY_PATH", libpath, 1);
+#endif /* __APPLE__ */
+ }
+ else
+ perror(libpath);
+ }
+
/*
* See if we have side-channel tests to do...
*/
first_arg ++)
if (!strcmp(argv[first_arg], "-d"))
show_log = 1;
+ else if (!strcmp(argv[first_arg], "-cancel"))
+ do_cancel = 1;
+ else if (!strcmp(argv[first_arg], "-pcl"))
+ do_pcl = 1;
else if (!strcmp(argv[first_arg], "-ps"))
- do_query = 1;
+ do_ps = 1;
else if (!strcmp(argv[first_arg], "-s"))
do_side_tests = 1;
else if (!strcmp(argv[first_arg], "-t"))
* Execute the trickle process as needed...
*/
- if (do_trickle || do_query)
+ if (do_trickle || do_pcl || do_ps || do_cancel)
{
pipe(data_fds);
- if ((pid = fork()) == 0)
+ signal(SIGTERM, sigterm_handler);
+
+ if ((data_pid = fork()) == 0)
{
/*
- * Trickle/query child comes here... Rearrange file descriptors so that
- * FD
+ * Trickle/query child comes here. Rearrange file descriptors so that
+ * FD 1, 3, and 4 point to the backend...
*/
- close(0);
- open("/dev/null", O_RDONLY);
+ if ((fd = open("/dev/null", O_RDONLY)) != 0)
+ {
+ dup2(fd, 0);
+ close(fd);
+ }
- close(1);
- dup(data_fds[1]);
+ if (data_fds[1] != 1)
+ {
+ dup2(data_fds[1], 1);
+ close(data_fds[1]);
+ }
close(data_fds[0]);
- close(data_fds[1]);
- close(3);
- dup(back_fds[0]);
- close(back_fds[0]);
+ if (back_fds[0] != 3)
+ {
+ dup2(back_fds[0], 3);
+ close(back_fds[0]);
+ }
close(back_fds[1]);
- close(4);
- dup(side_fds[0]);
- close(side_fds[0]);
+ if (side_fds[0] != 4)
+ {
+ dup2(side_fds[0], 4);
+ close(side_fds[0]);
+ }
close(side_fds[1]);
if (do_trickle)
sleep(1);
}
}
- else
+ else if (do_cancel)
{
/*
- * Do a simple PostScript query job to get the default page size.
+ * Write PS or PCL lines until we see SIGTERM...
*/
- char buffer[1024]; /* Buffer for response data */
+ int line = 0, page = 0; /* Current line and page */
ssize_t bytes; /* Number of bytes of response data */
- static const char *ps_query = /* PostScript query file */
+ char buffer[1024]; /* Output buffer */
+
+
+ if (do_pcl)
+ write(1, "\033E", 2);
+ else
+ write(1, "%!\n/Courier findfont 12 scalefont setfont 0 setgray\n", 52);
+
+ while (!job_canceled)
+ {
+ if (line == 0)
+ {
+ page ++;
+
+ if (do_pcl)
+ snprintf(buffer, sizeof(buffer), "PCL Page %d\r\n\r\n", page);
+ else
+ snprintf(buffer, sizeof(buffer),
+ "18 732 moveto (PS Page %d) show\n", page);
+
+ write(1, buffer, strlen(buffer));
+ }
+
+ line ++;
+
+ if (do_pcl)
+ snprintf(buffer, sizeof(buffer), "Line %d\r\n", line);
+ else
+ snprintf(buffer, sizeof(buffer), "18 %d moveto (Line %d) show\n",
+ 720 - line * 12, line);
+
+ write(1, buffer, strlen(buffer));
+
+ if (line >= 55)
+ {
+ /*
+ * Eject after 55 lines...
+ */
+
+ line = 0;
+ if (do_pcl)
+ write(1, "\014", 1);
+ else
+ write(1, "showpage\n", 9);
+ }
+
+ /*
+ * Check for back-channel data...
+ */
+
+ if ((bytes = cupsBackChannelRead(buffer, sizeof(buffer), 0)) > 0)
+ write(2, buffer, (size_t)bytes);
+
+ /*
+ * Throttle output to ~100hz...
+ */
+
+ usleep(10000);
+ }
+
+ /*
+ * Eject current page with info...
+ */
+
+ if (do_pcl)
+ snprintf(buffer, sizeof(buffer),
+ "Canceled on line %d of page %d\r\n\014\033E", line, page);
+ else
+ snprintf(buffer, sizeof(buffer),
+ "\n18 %d moveto (Canceled on line %d of page %d)\nshowpage\n",
+ 720 - line * 12, line, page);
+
+ write(1, buffer, strlen(buffer));
+
+ /*
+ * See if we get any back-channel data...
+ */
+
+ while ((bytes = cupsBackChannelRead(buffer, sizeof(buffer), 5.0)) > 0)
+ write(2, buffer, (size_t)bytes);
+
+ exit(0);
+ }
+ else
+ {
+ /*
+ * Do PS or PCL query + test pages.
+ */
+
+ char buffer[1024]; /* Buffer for response data */
+ ssize_t bytes; /* Number of bytes of response data */
+ double timeout; /* Timeout */
+ const char *data; /* Data to send */
+ static const char *pcl_data = /* PCL data */
+ "\033%-12345X@PJL\r\n"
+ "@PJL JOB NAME = \"Hello, World!\"\r\n"
+ "@PJL INFO USTATUS\r\n"
+ "@PJL ENTER LANGUAGE = PCL\r\n"
+ "\033E"
+ "Hello, World!\n"
+ "\014"
+ "\033%-12345X@PJL\r\n"
+ "@PJL EOJ NAME=\"Hello, World!\"\r\n"
+ "\033%-12345X";
+ static const char *ps_data = /* PostScript data */
"%!\n"
"save\n"
"product = flush\n"
" {exch pop exit} {pop} ifelse\n"
"} bind forall\n"
"= flush pop pop\n"
+ "/Courier findfont 12 scalefont setfont\n"
+ "0 setgray 36 720 moveto (Hello, ) show product show (!) show\n"
+ "showpage\n"
"restore\n"
"\004";
- write(1, ps_query, strlen(ps_query));
+ if (do_pcl)
+ data = pcl_data;
+ else
+ data = ps_data;
+
+ write(1, data, strlen(data));
write(2, "DEBUG: START\n", 13);
- while ((bytes = cupsBackChannelRead(buffer, sizeof(buffer), 5.0)) > 0)
- write(2, buffer, bytes);
+ timeout = 60.0;
+ while ((bytes = cupsBackChannelRead(buffer, sizeof(buffer),
+ timeout)) > 0)
+ {
+ write(2, buffer, (size_t)bytes);
+ timeout = 5.0;
+ }
write(2, "\nDEBUG: END\n", 12);
}
exit(0);
}
- else if (pid < 0)
+ else if (data_pid < 0)
{
perror("testbackend: Unable to fork");
return (1);
* Execute the backend...
*/
- if ((pid = fork()) == 0)
+ if ((back_pid = fork()) == 0)
{
/*
* Child comes here...
*/
- if (do_trickle || do_query)
+ if (do_trickle || do_ps || do_pcl || do_cancel)
{
- close(0);
- dup(data_fds[0]);
- close(data_fds[0]);
+ if (data_fds[0] != 0)
+ {
+ dup2(data_fds[0], 0);
+ close(data_fds[0]);
+ }
close(data_fds[1]);
}
if (!show_log)
{
- close(2);
- open("/dev/null", O_WRONLY);
+ if ((fd = open("/dev/null", O_WRONLY)) != 2)
+ {
+ dup2(fd, 2);
+ close(fd);
+ }
}
- close(3);
- dup(back_fds[1]);
- close(back_fds[0]);
+ if (back_fds[1] != 3)
+ {
+ dup2(back_fds[1], 3);
+ close(back_fds[0]);
+ }
close(back_fds[1]);
- close(4);
- dup(side_fds[1]);
- close(side_fds[0]);
+ if (side_fds[1] != 4)
+ {
+ dup2(side_fds[1], 4);
+ close(side_fds[0]);
+ }
close(side_fds[1]);
execv(backend, argv + first_arg);
- fprintf(stderr, "textbackend: Unable to execute \"%s\": %s\n", backend,
+ fprintf(stderr, "testbackend: Unable to execute \"%s\": %s\n", backend,
strerror(errno));
return (errno);
}
- else if (pid < 0)
+ else if (back_pid < 0)
{
perror("testbackend: Unable to fork");
return (1);
* Parent comes here, setup back and side channel file descriptors...
*/
- if (do_trickle || do_query)
+ if (do_trickle || do_ps || do_pcl || do_cancel)
{
close(data_fds[0]);
close(data_fds[1]);
}
- close(3);
- dup(back_fds[0]);
- close(back_fds[0]);
+ if (back_fds[0] != 3)
+ {
+ dup2(back_fds[0], 3);
+ close(back_fds[0]);
+ }
close(back_fds[1]);
- close(4);
- dup(side_fds[0]);
- close(side_fds[0]);
+ if (side_fds[0] != 4)
+ {
+ dup2(side_fds[0], 4);
+ close(side_fds[0]);
+ }
close(side_fds[1]);
/*
length = 0;
scstatus = cupsSideChannelDoRequest(CUPS_SC_CMD_DRAIN_OUTPUT, buffer,
- &length, 5.0);
+ &length, 60.0);
printf("CUPS_SC_CMD_DRAIN_OUTPUT returned %s\n", statuses[scstatus]);
length = 1;
length = sizeof(buffer);
scstatus = cupsSideChannelSNMPGet(oid, buffer, &length, 5.0);
- printf("CUPS_SC_CMD_SNMP_GET %s returned %s, %s\n", oid,
- statuses[scstatus], buffer);
+ printf("CUPS_SC_CMD_SNMP_GET %s returned %s, %d bytes (%s)\n", oid,
+ statuses[scstatus], (int)length, buffer);
length = sizeof(buffer);
scstatus = cupsSideChannelSNMPGet(oid, buffer, &length, 5.0);
- printf("CUPS_SC_CMD_SNMP_GET %s returned %s, %s\n", oid,
- statuses[scstatus], buffer);
+ printf("CUPS_SC_CMD_SNMP_GET %s returned %s, %d bytes (%s)\n", oid,
+ statuses[scstatus], (int)length, buffer);
}
length = 0;
printf("CUPS_SC_CMD_SOFT_RESET returned %s\n", statuses[scstatus]);
}
- while (wait(&status) != pid);
+ if (do_cancel)
+ {
+ sleep(1);
+ kill(data_pid, SIGTERM);
+ kill(back_pid, SIGTERM);
+ }
- if (status)
+ while ((pid = wait(&status)) > 0)
{
- if (WIFEXITED(status))
- printf("%s exited with status %d!\n", backend, WEXITSTATUS(status));
- else
- printf("%s crashed with signal %d!\n", backend, WTERMSIG(status));
+ if (status)
+ {
+ if (WIFEXITED(status))
+ printf("%s exited with status %d!\n",
+ pid == back_pid ? backend : "test",
+ WEXITSTATUS(status));
+ else
+ printf("%s crashed with signal %d!\n",
+ pid == back_pid ? backend : "test",
+ WTERMSIG(status));
+ }
}
/*
}
+/*
+ * 'sigterm_handler()' - Flag when we get SIGTERM.
+ */
+
+static void
+sigterm_handler(int sig) /* I - Signal */
+{
+ (void)sig;
+
+ job_canceled = 1;
+}
+
+
/*
* 'usage()' - Show usage information.
*/
static void
usage(void)
{
- puts("Usage: testbackend [-d] [-ps] [-s [-oid OID] [-walk OID]] [-t] "
- "device-uri job-id user title copies options [file]");
+ puts("Usage: testbackend [-cancel] [-d] [-ps | -pcl] [-s [-get OID] "
+ "[-walk OID]] [-t] device-uri job-id user title copies options [file]");
puts("");
puts("Options:");
+ puts(" -cancel Simulate a canceled print job after 2 seconds.");
puts(" -d Show log messages from backend.");
- puts(" -oid OID Lookup the specified SNMP OID.");
- puts(" -ps Send PostScript query code to backend.");
- puts(" -s Do SNMP tests.");
+ puts(" -get OID Lookup the specified SNMP OID.");
+ puts(" (.1.3.6.1.2.1.43.10.2.1.4.1.1 is a good one for printers)");
+ puts(" -pcl Send PCL+PJL query and test page to backend.");
+ puts(" -ps Send PostScript query and test page to backend.");
+ puts(" -s Do side-channel + SNMP tests.");
puts(" -t Send spaces slowly to backend ('trickle').");
puts(" -walk OID Walk the specified SNMP OID.");
+ puts(" (.1.3.6.1.2.1.43 is a good one for printers)");
exit(1);
}
int datalen, /* I - Length of data */
void *context) /* I - Context (unused) */
{
- printf("CUPS_SC_CMD_SNMP_WALK %s=%s (%d bytes)\n", oid, data, datalen);
+ char temp[80];
+
+ (void)context;
+
+ if ((size_t)datalen > (sizeof(temp) - 1))
+ {
+ memcpy(temp, data, sizeof(temp) - 1);
+ temp[sizeof(temp) - 1] = '\0';
+ }
+ else
+ {
+ memcpy(temp, data, (size_t)datalen);
+ temp[datalen] = '\0';
+ }
+
+ printf("CUPS_SC_CMD_SNMP_WALK %s, %d bytes (%s)\n", oid, datalen, temp);
}
projects / thirdparty / cups.git / blobdiff