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/*
* "$Id: classes.c,v 1.11 1999/11/04 14:57:57 mike Exp $"
*
* Class status CGI for the Common UNIX Printing System (CUPS).
*
* Copyright 1997-1999 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Easy Software Products and are protected by Federal
* copyright law. Distribution and use rights are outlined in the file
* "LICENSE.txt" which should have been included with this file. If this
* file is missing or damaged please contact Easy Software Products
* at:
*
* Attn: CUPS Licensing Information
* Easy Software Products
* 44141 Airport View Drive, Suite 204
* Hollywood, Maryland 20636-3111 USA
*
* Voice: (301) 373-9603
* EMail: cups-info@cups.org
* WWW: http://www.cups.org
*
* Contents:
*
* main() - Main entry for CGI.
* show_class_list() - Show a list of classes...
* show_class_info() - Show class information.
*/
/*
* Include necessary headers...
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <cups/cups.h>
#include <cups/language.h>
#include <cups/debug.h>
#include <config.h>
/*
* Local functions...
*/
static void show_class_list(http_t *http, cups_lang_t *language);
static void show_class_info(http_t *http, cups_lang_t *language,
char *name);
/*
* 'main()' - Main entry for CGI.
*/
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
cups_lang_t *language; /* Language information */
char *name; /* Class name */
http_t *http; /* Connection to the server */
/*
* Get the request language...
*/
language = cupsLangDefault();
/*
* Connect to the HTTP server...
*/
http = httpConnect("localhost", ippPort());
/*
* Tell the client to expect HTML...
*/
printf("Content-Type: text/html;charset=%s\n\n", cupsLangEncoding(language));
/*
* See if we need to show a list of classes or the status of a
* single class...
*/
name = argv[0];
if (strcmp(name, "/") == 0 || strcmp(name, "classes.cgi") == 0)
name = NULL;
/*
* Print the standard header...
*/
puts("<HTML>");
puts("<HEAD>");
if (name)
puts("<META HTTP-EQUIV=\"Refresh\" CONTENT=\"10\">");
else
puts("<META HTTP-EQUIV=\"Refresh\" CONTENT=\"30\">");
printf("<TITLE>%s on %s - " CUPS_SVERSION "</TITLE>\n",
name == NULL ? "Classes" : name, getenv("SERVER_NAME"));
puts("<LINK REL=STYLESHEET TYPE=\"text/css\" HREF=\"/cups.css\">");
puts("<MAP NAME=\"navbar\">");
#ifdef ESPPRINTPRO
puts("<AREA SHAPE=\"RECT\" COORDS=\"10,10,76,30\" HREF=\"/printers\" ALT=\"Current Printer Status\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"88,10,158,30\" HREF=\"/classes\" ALT=\"Current Printer Classes Status\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"170,10,210,30\" HREF=\"/jobs\" ALT=\"Current Jobs Status\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"222,10,354,30\" HREF=\"/documentation.html\" ALT=\"Read CUPS Documentation On-Line\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"366,10,442,30\" HREF=\"http://www.easysw.com/software.html\" ALT=\"Download the Current ESP Print Pro Software\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"454,10,530,30\" HREF=\"http://www.easysw.com/support.html\" ALT=\"Get Tech Support for Current ESP Print Pro\">");
#else
puts("<AREA SHAPE=\"RECT\" COORDS=\"10,10,85,30\" HREF=\"/printers\" ALT=\"Current Printer Status\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"95,10,175,30\" HREF=\"/classes\" ALT=\"Current Printer Classes Status\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"185,10,235,30\" HREF=\"/jobs\" ALT=\"Current Jobs Status\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"245,10,395,30\" HREF=\"/documentation.html\" ALT=\"Read CUPS Documentation On-Line\">");
puts("<AREA SHAPE=\"RECT\" COORDS=\"405,10,490,30\" HREF=\"http://www.cups.org\" ALT=\"Download the Current CUPS Software\">");
#endif /* ESPPRINTPRO */
puts("</MAP>");
puts("</HEAD>");
puts("<BODY>");
puts("<P ALIGN=CENTER>");
puts("<A HREF=\"http://www.easysw.com\" ALT=\"Easy Software Products Home Page\">");
puts("<IMG SRC=\"/images/logo.gif\" WIDTH=\"71\" HEIGHT=\"40\" BORDER=0 ALT=\"Easy Software Products Home Page\"></A>");
puts("<IMG SRC=\"/images/navbar.gif\" WIDTH=\"540\" HEIGHT=\"40\" USEMAP=\"#navbar\" BORDER=0>");
printf("<H1>%s on %s</H1>\n", name == NULL ? "Classes" : name,
getenv("SERVER_NAME"));
fflush(stdout);
puts("<CENTER>");
puts("<TABLE WIDTH=\"90%\" BORDER=\"1\">");
puts("<TR>");
puts("<TH>Name</TH>");
puts("<TH WIDTH=\"50%\">Status</TH>");
puts("<TH WIDTH=\"25%\">Jobs</TH>");
puts("</TR>");
/*
* Show the information...
*/
if (name == NULL)
show_class_list(http, language);
else
show_class_info(http, language, name);
/*
* Write a standard trailer...
*/
puts("</TABLE>");
puts("</CENTER>");
puts("<HR>");
puts("<P>The Common UNIX Printing System, CUPS, and the CUPS logo are the");
puts("trademark property of <A HREF=\"http://www.easysw.com\">Easy Software");
puts("Products</A>. CUPS is copyright 1997-1999 by Easy Software Products,");
puts("All Rights Reserved.");
puts("</BODY>");
puts("</HTML>");
/*
* Close the HTTP server connection...
*/
httpClose(http);
cupsLangFree(language);
/*
* Return with no errors...
*/
return (0);
}
/*
* 'show_class_list()' - Show a list of classes...
*/
static void
show_class_list(http_t *http, /* I - HTTP connection */
cups_lang_t *language)/* I - Client's language */
{
ipp_t *request, /* IPP request */
*response; /* IPP response */
ipp_attribute_t *attr; /* IPP attribute */
/*
* Build a CUPS_GET_CLASSES request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
*/
request = ippNew();
request->request.op.operation_id = CUPS_GET_CLASSES;
request->request.op.request_id = 1;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
"attributes-charset", NULL, cupsLangEncoding(language));
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
"attributes-natural-language", NULL, language->language);
/*
* Do the request and get back a response...
*/
if ((response = cupsDoRequest(http, request, "/")) != NULL)
{
/*
* Loop through the classes returned in the list and display
* their devices...
*/
for (attr = response->attrs; attr != NULL; attr = attr->next)
{
/*
* Skip leading attributes until we hit a job...
*/
while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
attr = attr->next;
if (attr == NULL)
break;
/*
* Show the class status for each class...
*/
while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
{
if (strcmp(attr->name, "printer-name") == 0 &&
attr->value_tag == IPP_TAG_NAME)
show_class_info(http, language, attr->values[0].string.text);
attr = attr->next;
}
if (attr == NULL)
break;
}
ippDelete(response);
}
}
/*
* 'show_class_info()' - Show class information.
*/
static void
show_class_info(http_t *http,
cups_lang_t *language,
char *name)
{
ipp_t *request, /* IPP request */
*response, /* IPP response */
*jobs; /* IPP Get Jobs response */
int jobcount; /* Number of jobs */
ipp_attribute_t *attr; /* IPP attribute */
char *message; /* Printer state message */
int accepting; /* Accepting requests? */
ipp_pstate_t pstate; /* Printer state */
char uri[HTTP_MAX_URI];/* Printer URI */
/*
* Build a IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
*/
request = ippNew();
request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
request->request.op.request_id = 1;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
"attributes-charset", NULL, cupsLangEncoding(language));
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
"attributes-natural-language", NULL, language->language);
snprintf(uri, sizeof(uri), "ipp://localhost/classes/%s", name);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
/*
* Do the request and get back a response...
*/
if ((response = cupsDoRequest(http, request, "/")) == NULL)
{
puts("<P>Unable to communicate with CUPS server!");
return;
}
if (response->request.status.status_code == IPP_NOT_FOUND)
{
puts("<P>Class does not exist.");
ippDelete(response);
return;
}
/*
* Grab the needed class attributes...
*/
if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
pstate = (ipp_pstate_t)attr->values[0].integer;
else
pstate = IPP_PRINTER_IDLE;
if ((attr = ippFindAttribute(response, "printer-state-message", IPP_TAG_TEXT)) != NULL)
message = attr->values[0].string.text;
else
message = NULL;
if ((attr = ippFindAttribute(response, "printer-is-accepting-jobs",
IPP_TAG_BOOLEAN)) != NULL)
accepting = attr->values[0].boolean;
else
accepting = 1;
if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
{
strcpy(uri, "http:");
strncpy(uri + 5, strchr(attr->values[0].string.text, '/'), sizeof(uri) - 6);
uri[sizeof(uri) - 1] = '\0';
}
/*
* Display the class entry...
*/
puts("<TR>");
printf("<TD VALIGN=TOP><A HREF=\"%s\">%s</A></TD>\n", uri, name);
puts("<TD VALIGN=TOP><IMG SRC=\"/images/classes.gif\" ALIGN=\"LEFT\">");
printf("%s: %s, %s<BR>\n",
cupsLangString(language, CUPS_MSG_PRINTER_STATE),
cupsLangString(language, pstate == IPP_PRINTER_IDLE ? CUPS_MSG_IDLE :
pstate == IPP_PRINTER_PROCESSING ?
CUPS_MSG_PROCESSING : CUPS_MSG_STOPPED),
cupsLangString(language, accepting ? CUPS_MSG_ACCEPTING_JOBS :
CUPS_MSG_NOT_ACCEPTING_JOBS));
if (message)
printf("<BR CLEAR=ALL><I>\"%s\"</I>\n", message);
else if (!accepting || pstate == IPP_PRINTER_STOPPED)
puts("<BR CLEAR=ALL><I>\"Reason Unknown\"</I>");
puts("</TD>");
/*
* Show a list of jobs as needed...
*/
if (pstate != IPP_PRINTER_IDLE)
{
/*
* Build an IPP_GET_JOBS request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
*/
request = ippNew();
request->request.op.operation_id = IPP_GET_JOBS;
request->request.op.request_id = 1;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
"attributes-charset", NULL,
cupsLangEncoding(language));
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
"attributes-natural-language", NULL,
language->language);
snprintf(uri, sizeof(uri), "ipp://localhost/printers/%s", name);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
"printer-uri", NULL, uri);
jobs = cupsDoRequest(http, request, "/");
}
else
jobs = NULL;
puts("<TD VALIGN=\"TOP\">");
jobcount = 0;
if (jobs != NULL)
{
char *username; /* Pointer to job-originating-user-name */
int jobid, /* job-id */
size; /* job-k-octets */
for (attr = jobs->attrs; attr != NULL; attr = attr->next)
{
/*
* Skip leading attributes until we hit a job...
*/
while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
attr = attr->next;
if (attr == NULL)
break;
/*
* Pull the needed attributes from this job...
*/
jobid = 0;
size = 0;
username = NULL;
while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
{
if (strcmp(attr->name, "job-id") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
jobid = attr->values[0].integer;
if (strcmp(attr->name, "job-k-octets") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
size = attr->values[0].integer;
if (strcmp(attr->name, "job-originating-user-name") == 0 &&
attr->value_tag == IPP_TAG_NAME)
username = attr->values[0].string.text;
attr = attr->next;
}
/*
* Display the job if it matches the current class...
*/
if (username != NULL)
{
jobcount ++;
printf("<A HREF=\"/jobs/%d\">%s-%d %s %dk</A><BR>\n", jobid, name,
jobid, username, size);
}
if (attr == NULL)
break;
}
ippDelete(jobs);
}
if (jobcount == 0)
puts("None");
puts("</TD>");
puts("</TR>");
ippDelete(response);
}
/*
* End of "$Id: classes.c,v 1.11 1999/11/04 14:57:57 mike Exp $".
*/
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