source/printing/notify.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 2.2
   4    printing backend routines
   5    Copyright (C) Tim Potter, 2002
   6    Copyright (C) Gerald Carter,         2002
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "printing.h"
  24
  25 /*
  26  * Print notification routines
  27  */
  28
  29 static void send_spoolss_notify2_msg(struct spoolss_notify_msg *msg)
  30 {
  31         char *buf = NULL;
  32         int buflen = 0, len;
  33         TDB_CONTEXT *tdb;
  34
  35         /* Let's not waste any time with this */
  36
  37         if (lp_disable_spoolss())
  38                 return;
  39
  40         /* Flatten data into a message */
  41
  42 again:
  43         len = 0;
  44
  45         /* Pack header */
  46
  47         len += tdb_pack(buf + len, buflen - len, "f", msg->printer);
  48
  49         len += tdb_pack(buf + len, buflen - len, "ddddd",
  50                         msg->type, msg->field, msg->id, msg->len, msg->flags);
  51
  52         /* Pack data */
  53
  54         if (msg->len == 0)
  55                 len += tdb_pack(buf + len, buflen - len, "dd",
  56                                 msg->notify.value[0], msg->notify.value[1]);
  57         else
  58                 len += tdb_pack(buf + len, buflen - len, "B",
  59                                 msg->len, msg->notify.data);
  60
  61         if (buflen != len) {
  62                 buf = Realloc(buf, len);
  63                 buflen = len;
  64                 goto again;
  65         }
  66
  67         /* Send message */
  68
  69         tdb = conn_tdb_ctx();
  70
  71         if (!tdb) {
  72                 DEBUG(3, ("Failed to open connections database in send_spoolss_notify2_msg\n"));
  73                 goto done;
  74         }
  75
  76         message_send_all(tdb, MSG_PRINTER_NOTIFY2, buf, buflen, False, NULL);
  77
  78 done:
  79         SAFE_FREE(buf);
  80 }
  81
  82 static void send_notify_field_values(const char *printer_name, uint32 type,
  83                                      uint32 field, uint32 id, uint32 value1,
  84                                      uint32 value2, uint32 flags)
  85 {
  86         struct spoolss_notify_msg msg;
  87
  88         ZERO_STRUCT(msg);
  89
  90         fstrcpy(msg.printer, printer_name);
  91         msg.type = type;
  92         msg.field = field;
  93         msg.id = id;
  94         msg.notify.value[0] = value1;
  95         msg.notify.value[1] = value2;
  96         msg.flags = flags;
  97
  98         send_spoolss_notify2_msg(&msg);
  99 }
 100
 101 static void send_notify_field_buffer(const char *printer_name, uint32 type,
 102                                      uint32 field, uint32 id, uint32 len,
 103                                      char *buffer)
 104 {
 105         struct spoolss_notify_msg msg;
 106
 107         ZERO_STRUCT(msg);
 108
 109         fstrcpy(msg.printer, printer_name);
 110         msg.type = type;
 111         msg.field = field;
 112         msg.id = id;
 113         msg.len = len;
 114         msg.notify.data = buffer;
 115
 116         send_spoolss_notify2_msg(&msg);
 117 }
 118
 119 /* Send a message that the printer status has changed */
 120
 121 void notify_printer_status_byname(const char *printer_name, uint32 status)
 122 {
 123         /* Printer status stored in value1 */
 124
 125         send_notify_field_values(printer_name, PRINTER_NOTIFY_TYPE,
 126                                  PRINTER_NOTIFY_STATUS, 0,
 127                                  status, 0, 0);
 128 }
 129
 130 void notify_printer_status(int snum, uint32 status)
 131 {
 132         const char *printer_name = SERVICE(snum);
 133
 134         if (printer_name)
 135                 notify_printer_status_byname(printer_name, status);
 136 }
 137
 138 void notify_job_status_byname(const char *printer_name, uint32 jobid, uint32 status,
 139                               uint32 flags)
 140 {
 141         /* Job id stored in id field, status in value1 */
 142
 143         send_notify_field_values(printer_name, JOB_NOTIFY_TYPE,
 144                                  JOB_NOTIFY_STATUS, jobid,
 145                                  status, 0, flags);
 146 }
 147
 148 void notify_job_status(int snum, uint32 jobid, uint32 status)
 149 {
 150         const char *printer_name = SERVICE(snum);
 151
 152         notify_job_status_byname(printer_name, jobid, status, 0);
 153 }
 154
 155 void notify_job_total_bytes(int snum, uint32 jobid, uint32 size)
 156 {
 157         const char *printer_name = SERVICE(snum);
 158
 159         /* Job id stored in id field, status in value1 */
 160
 161         send_notify_field_values(printer_name, JOB_NOTIFY_TYPE,
 162                                  JOB_NOTIFY_TOTAL_BYTES, jobid,
 163                                  size, 0, 0);
 164 }
 165
 166 void notify_job_total_pages(int snum, uint32 jobid, uint32 pages)
 167 {
 168         const char *printer_name = SERVICE(snum);
 169
 170         /* Job id stored in id field, status in value1 */
 171
 172         send_notify_field_values(printer_name, JOB_NOTIFY_TYPE,
 173                                  JOB_NOTIFY_TOTAL_PAGES, jobid,
 174                                  pages, 0, 0);
 175 }
 176
 177 void notify_job_username(int snum, uint32 jobid, char *name)
 178 {
 179         const char *printer_name = SERVICE(snum);
 180
 181         send_notify_field_buffer(
 182                 printer_name, JOB_NOTIFY_TYPE, JOB_NOTIFY_USER_NAME,
 183                 jobid, strlen(name) + 1, name);
 184 }
 185
 186 void notify_job_name(int snum, uint32 jobid, char *name)
 187 {
 188         const char *printer_name = SERVICE(snum);
 189
 190         send_notify_field_buffer(
 191                 printer_name, JOB_NOTIFY_TYPE, JOB_NOTIFY_DOCUMENT,
 192                 jobid, strlen(name) + 1, name);
 193 }
 194
 195 void notify_job_submitted(int snum, uint32 jobid, time_t submitted)
 196 {
 197         const char *printer_name = SERVICE(snum);
 198
 199         send_notify_field_buffer(
 200                 printer_name, JOB_NOTIFY_TYPE, JOB_NOTIFY_SUBMITTED,
 201                 jobid, sizeof(submitted), (char *)&submitted);
 202 }
 203
 204 void notify_printer_driver(int snum, char *driver_name)
 205 {
 206         const char *printer_name = SERVICE(snum);
 207
 208         send_notify_field_buffer(
 209                 printer_name, PRINTER_NOTIFY_TYPE, PRINTER_NOTIFY_DRIVER_NAME,
 210                 snum, strlen(driver_name) + 1, driver_name);
 211 }
 212
 213 void notify_printer_comment(int snum, char *comment)
 214 {
 215         const char *printer_name = SERVICE(snum);
 216
 217         send_notify_field_buffer(
 218                 printer_name, PRINTER_NOTIFY_TYPE, PRINTER_NOTIFY_COMMENT,
 219                 snum, strlen(comment) + 1, comment);
 220 }
 221
 222 void notify_printer_sharename(int snum, char *share_name)
 223 {
 224         const char *printer_name = SERVICE(snum);
 225
 226         send_notify_field_buffer(
 227                 printer_name, PRINTER_NOTIFY_TYPE, PRINTER_NOTIFY_SHARE_NAME,
 228                 snum, strlen(share_name) + 1, share_name);
 229 }
 230
 231 void notify_printer_port(int snum, char *port_name)
 232 {
 233         const char *printer_name = SERVICE(snum);
 234
 235         send_notify_field_buffer(
 236                 printer_name, PRINTER_NOTIFY_TYPE, PRINTER_NOTIFY_PORT_NAME,
 237                 snum, strlen(port_name) + 1, port_name);
 238 }
 239
 240 void notify_printer_location(int snum, char *location)
 241 {
 242         const char *printer_name = SERVICE(snum);
 243
 244         send_notify_field_buffer(
 245                 printer_name, PRINTER_NOTIFY_TYPE, PRINTER_NOTIFY_LOCATION,
 246                 snum, strlen(location) + 1, location);
 247 }