/*
* "$Id$"
*
- * Line Printer Daemon backend for the Common UNIX Printing System (CUPS).
+ * Line Printer Daemon backend for CUPS.
*
- * Copyright 2007-2008 by Apple Inc.
+ * Copyright 2007-2010 by Apple Inc.
* Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
* These coded instructions, statements, and computer programs are the
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <stdio.h>
#ifdef WIN32
# include <winsock.h>
char *argv[]) /* I - Command-line arguments */
{
const char *device_uri; /* Device URI */
- char method[255], /* Method in URI */
+ char scheme[255], /* Scheme in URI */
hostname[1024], /* Hostname */
username[255], /* Username info */
resource[1024], /* Resource info (printer name) */
else if (argc < 6 || argc > 7)
{
_cupsLangPrintf(stderr,
- _("Usage: %s job-id user title copies options [file]\n"),
+ _("Usage: %s job-id user title copies options [file]"),
argv[0]);
return (CUPS_BACKEND_FAILED);
}
if ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
return (CUPS_BACKEND_FAILED);
- httpSeparateURI(HTTP_URI_CODING_ALL, device_uri,
- method, sizeof(method), username, sizeof(username),
- hostname, sizeof(hostname), &port,
+ httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
+ username, sizeof(username), hostname, sizeof(hostname), &port,
resource, sizeof(resource));
if (!port)
if (strchr("cdfglnoprtv", value[0]))
format = value[0];
else
- _cupsLangPrintf(stderr, _("ERROR: Unknown format character \"%c\"\n"),
- value[0]);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown format character: \"%c\"."),
+ value[0]);
}
else if (!strcasecmp(name, "mode") && value[0])
{
else if (!strcasecmp(value, "stream"))
mode = MODE_STREAM;
else
- _cupsLangPrintf(stderr, _("ERROR: Unknown print mode \"%s\"\n"),
- value);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown print mode: \"%s\"."), value);
}
else if (!strcasecmp(name, "order") && value[0])
{
else if (!strcasecmp(value, "data,control"))
order = ORDER_DATA_CONTROL;
else
- _cupsLangPrintf(stderr, _("ERROR: Unknown file order \"%s\"\n"),
- value);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown file order: \"%s\"."), value);
}
else if (!strcasecmp(name, "reserve"))
{
*/
sanitize_title = !value[0] || !strcasecmp(value, "on") ||
- !strcasecmp(value, "yes") || !strcasecmp(value, "true");
+ !strcasecmp(value, "yes") || !strcasecmp(value, "true");
}
else if (!strcasecmp(name, "timeout"))
{
* Copy stdin to a temporary file...
*/
- char buffer[8192]; /* Buffer for copying */
- int bytes; /* Number of bytes read */
+ http_addrlist_t *addrlist; /* Address list */
+ int snmp_fd; /* SNMP socket */
+
+
+ fputs("STATE: +connecting-to-device\n", stderr);
+ fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
+
+ if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, "1")) == NULL)
+ {
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unable to locate printer \"%s\"."), hostname);
+ return (CUPS_BACKEND_STOP);
+ }
+ snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
{
- _cupsLangPrintError(_("ERROR: Unable to create temporary file"));
+ perror("DEBUG: Unable to create temporary file");
return (CUPS_BACKEND_FAILED);
}
- while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
- if (write(fd, buffer, bytes) < bytes)
- {
- _cupsLangPrintError(_("ERROR: Unable to write to temporary file"));
- close(fd);
- unlink(tmpfilename);
- return (CUPS_BACKEND_FAILED);
- }
+ _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
+
+ backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
+ backendNetworkSideCB);
+
+ if (snmp_fd >= 0)
+ _cupsSNMPClose(snmp_fd);
+
+ httpAddrFreeList(addrlist);
}
else if (argc == 6)
{
if (fd == -1)
{
- _cupsLangPrintf(stderr, _("ERROR: Unable to open print file %s: %s\n"),
- filename, strerror(errno));
+ _cupsLangPrintError("ERROR", _("Unable to open print file"));
return (CUPS_BACKEND_FAILED);
}
}
if (lpd_write(fd, buf, bytes) < bytes)
{
- _cupsLangPrintError(_("ERROR: Unable to send LPD command"));
+ perror("DEBUG: Unable to send LPD command");
return (-1);
}
if (recv(fd, &status, 1, 0) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with command "
- "status byte after %d seconds!\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = errno;
}
have_supplies; /* Printer supports supply levels? */
int copy; /* Copies written */
time_t start_time; /* Time of first connect */
- int recoverable; /* Recoverable error shown? */
size_t nbytes; /* Number of bytes written */
off_t tbytes; /* Total bytes written */
char buffer[32768]; /* Output buffer */
sprintf(portname, "%d", port);
+ fputs("STATE: +connecting-to-device\n", stderr);
+ fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
+
if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
{
- _cupsLangPrintf(stderr, _("ERROR: Unable to locate printer \'%s\'!\n"),
- hostname);
+ _cupsLangPrintFilter(stderr, "ERROR", _("Unable to locate printer \"%s\"."),
+ hostname);
return (CUPS_BACKEND_STOP);
}
* Remember when we started trying to connect to the printer...
*/
- recoverable = 0;
- start_time = time(NULL);
+ start_time = time(NULL);
/*
* Loop forever trying to print the file...
* First try to reserve a port for this connection...
*/
- fputs("STATE: +connecting-to-device\n", stderr);
- fprintf(stderr, "DEBUG: Connecting to %s:%d for printer %s\n",
- hostname, port, printer);
- _cupsLangPuts(stderr, _("INFO: Connecting to printer...\n"));
+ fprintf(stderr, "DEBUG: Connecting to %s:%d for printer %s\n", hostname,
+ port, printer);
+ _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
for (lport = reserve == RESERVE_RFC1179 ? 732 : 1024, addr = addrlist,
delay = 5;;
if ((fd = socket(addr->addr.addr.sa_family, SOCK_STREAM, 0)) < 0)
{
- _cupsLangPrintError(_("ERROR: Unable to create socket"));
+ perror("DEBUG: Unable to create socket");
sleep(1);
continue;
if ((fd = rresvport_af(&lport, addr->addr.addr.sa_family)) < 0)
{
- _cupsLangPrintError(_("ERROR: Unable to reserve port"));
+ perror("DEBUG: Unable to reserve port");
sleep(1);
continue;
error = errno;
close(fd);
- fd = -1;
if (addr->next)
continue;
* available printer in the class.
*/
- _cupsLangPuts(stderr,
- _("INFO: Unable to contact printer, queuing on next "
- "printer in class...\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Unable to contact printer, queuing on next "
+ "printer in class."));
httpAddrFreeList(addrlist);
return (CUPS_BACKEND_FAILED);
}
+ fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(error));
+
if (error == ECONNREFUSED || error == EHOSTDOWN ||
error == EHOSTUNREACH)
{
if (contimeout && (time(NULL) - start_time) > contimeout)
{
- _cupsLangPuts(stderr, _("ERROR: Printer not responding!\n"));
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("The printer is not responding."));
return (CUPS_BACKEND_FAILED);
}
- recoverable = 1;
-
- _cupsLangPrintf(stderr,
- _("WARNING: recoverable: Network host \'%s\' is busy; "
- "will retry in %d seconds...\n"), hostname, delay);
+ switch (error)
+ {
+ case EHOSTDOWN :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Network printer \"%s\" may not exist or "
+ "is unavailable at this time."),
+ hostname);
+ break;
+
+ case EHOSTUNREACH :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Network printer \"%s\" is unreachable at "
+ "this time."), hostname);
+ break;
+
+ case ECONNREFUSED :
+ default :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Network printer \"%s\" is busy."),
+ hostname);
+ break;
+ }
sleep(delay);
}
else
{
- recoverable = 1;
-
- fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
- _cupsLangPuts(stderr,
- _("ERROR: recoverable: Unable to connect to printer; "
- "will retry in 30 seconds...\n"));
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Network printer \"%s\" is not responding."),
+ hostname);
sleep(30);
}
}
- if (recoverable)
- {
- /*
- * If we've shown a recoverable error make sure the printer proxies
- * have a chance to see the recovered message. Not pretty but
- * necessary for now...
- */
-
- fputs("INFO: recovered: \n", stderr);
- sleep(5);
- }
-
fputs("STATE: -connecting-to-device\n", stderr);
- _cupsLangPuts(stderr, _("INFO: Connected to printer...\n"));
+ _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
#ifdef AF_INET6
if (addr->addr.addr.sa_family == AF_INET6)
httpAddrFreeList(addrlist);
close(fd);
- _cupsLangPrintError(_("ERROR: unable to stat print file"));
+ perror("DEBUG: unable to stat print file");
return (CUPS_BACKEND_FAILED);
}
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr, _("INFO: Sending control file (%u bytes)\n"),
- (unsigned)strlen(control));
+ fprintf(stderr, "DEBUG: Sending control file (%u bytes)\n",
+ (unsigned)strlen(control));
if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
{
status = errno;
- _cupsLangPrintError(_("ERROR: Unable to write control file"));
+ perror("DEBUG: Unable to write control file");
+
}
else
{
if (read(fd, &status, 1) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with control "
- "status byte after %d seconds!\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = errno;
}
}
if (status != 0)
- _cupsLangPrintf(stderr,
- _("ERROR: Remote host did not accept control file "
- "(%d)\n"), status);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Remote host did not accept control file (%d)."),
+ status);
else
- _cupsLangPuts(stderr, _("INFO: Control file sent successfully\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Control file sent successfully."));
}
else
status = 0;
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr,
-#ifdef HAVE_LONG_LONG
- _("INFO: Sending data file (%lld bytes)\n"),
-#else
- _("INFO: Sending data file (%ld bytes)\n"),
-#endif /* HAVE_LONG_LONG */
- CUPS_LLCAST filestats.st_size);
+ fprintf(stderr, "DEBUG: Sending data file (" CUPS_LLFMT " bytes)\n",
+ CUPS_LLCAST filestats.st_size);
tbytes = 0;
for (copy = 0; copy < manual_copies; copy ++)
while ((nbytes = read(print_fd, buffer, sizeof(buffer))) > 0)
{
- _cupsLangPrintf(stderr,
- _("INFO: Spooling LPR job, %.0f%% complete...\n"),
- 100.0 * tbytes / filestats.st_size);
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Spooling job, %.0f%% complete."),
+ 100.0 * tbytes / filestats.st_size);
if (lpd_write(fd, buffer, nbytes) < nbytes)
{
- _cupsLangPrintError(_("ERROR: Unable to send print file to printer"));
+ perror("DEBUG: Unable to send print file to printer");
break;
}
else
status = errno;
else if (lpd_write(fd, "", 1) < 1)
{
- _cupsLangPrintError(_("ERROR: Unable to send trailing nul to printer"));
+ perror("DEBUG: Unable to send trailing nul to printer");
status = errno;
}
else
if (recv(fd, &status, 1, 0) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with data "
- "status byte after %d seconds!\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = 0;
}
status = 0;
if (status != 0)
- _cupsLangPrintf(stderr,
- _("ERROR: Remote host did not accept data file (%d)\n"),
- status);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Remote host did not accept data file (%d)."),
+ status);
else
- _cupsLangPuts(stderr, _("INFO: Data file sent successfully\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Data file sent successfully."));
}
if (status == 0 && order == ORDER_DATA_CONTROL)
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr, _("INFO: Sending control file (%lu bytes)\n"),
- (unsigned long)strlen(control));
+ fprintf(stderr, "DEBUG: Sending control file (%lu bytes)\n",
+ (unsigned long)strlen(control));
if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
{
status = errno;
- _cupsLangPrintError(_("ERROR: Unable to write control file"));
+ perror("DEBUG: Unable to write control file");
}
else
{
if (read(fd, &status, 1) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with control "
- "status byte after %d seconds!\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = errno;
}
}
if (status != 0)
- _cupsLangPrintf(stderr,
- _("ERROR: Remote host did not accept control file "
- "(%d)\n"), status);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Remote host did not accept control file (%d)."),
+ status);
else
- _cupsLangPuts(stderr, _("INFO: Control file sent successfully\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Control file sent successfully."));
}
/*
projects / thirdparty / cups.git / blobdiff