Changeset 860 for vendor/current/source3/printing/printing.c

Timestamp:

May 12, 2014, 8:58:38 PM (11 years ago)

Author:

Silvan Scherrer

Message:

Samba 3.6: updated vendor to latest version

File:

• vendor/current/source3/printing/printing.c (modified) (6 diffs)

vendor/current/source3/printing/printing.c

@@ -1657 +1657 @@
 }
 
+/****************************************************************************
+ Notify smbds of new printcap data
+**************************************************************************/
+static void reload_pcap_change_notify(struct tevent_context *ev,
+                                      struct messaging_context *msg_ctx)
+{
+        /*
+         * Reload the printers first in the background process so that
+         * newly added printers get default values created in the registry.
+         *
+         * This will block the process for some time (~1 sec per printer), but
+         * it doesn't block smbd's servering clients.
+         */
+        reload_printers_full(ev, msg_ctx);
+
+        message_send_all(msg_ctx, MSG_PRINTER_PCAP, NULL, 0, NULL);
+}
+
 static bool printer_housekeeping_fn(const struct timeval *now,
                                     void *private_data)
@@ -1679 +1697 @@
 }
 
+static void printing_sig_term_handler(struct tevent_context *ev,
+                                      struct tevent_signal *se,
+                                      int signum,
+                                      int count,
+                                      void *siginfo,
+                                      void *private_data)
+{
+        exit_server_cleanly("termination signal");
+}
+
+static void printing_sig_hup_handler(struct tevent_context *ev,
+                                  struct tevent_signal *se,
+                                  int signum,
+                                  int count,
+                                  void *siginfo,
+                                  void *private_data)
+{
+        struct messaging_context *msg_ctx = talloc_get_type_abort(
+                private_data, struct messaging_context);
+
+        DEBUG(1,("Reloading printers after SIGHUP\n"));
+        pcap_cache_reload(ev, msg_ctx,
+                          &reload_pcap_change_notify);
+}
+
+static void printing_conf_updated(struct messaging_context *msg,
+                                  void *private_data,
+                                  uint32_t msg_type,
+                                  struct server_id server_id,
+                                  DATA_BLOB *data)
+{
+        DEBUG(5,("Reloading printers after conf change\n"));
+        pcap_cache_reload(messaging_event_context(msg), msg,
+                          &reload_pcap_change_notify);
+}
+
+
 static pid_t background_lpq_updater_pid = -1;
 
@@ -1714 +1769 @@
                 int ret;
                 NTSTATUS status;
+                struct tevent_signal *se;
 
                 /* Child. */
@@ -1728 +1784 @@
                 }
 
-                smbd_setup_sig_term_handler();
-                smbd_setup_sig_hup_handler(ev, msg_ctx);
+                se = tevent_add_signal(ev, ev, SIGTERM, 0,
+                                       printing_sig_term_handler,
+                                       NULL);
+                if (se == NULL) {
+                        smb_panic("failed to setup SIGTERM handler");
+                }
+                se = tevent_add_signal(ev, ev, SIGHUP, 0,
+                                       printing_sig_hup_handler,
+                                       msg_ctx);
+                if (se == NULL) {
+                        smb_panic("failed to setup SIGHUP handler");
+                }
 
                 if (!serverid_register(procid_self(),
@@ -1743 +1809 @@
                 messaging_register(msg_ctx, NULL, MSG_PRINTER_UPDATE,
                                    print_queue_receive);
+                messaging_register(msg_ctx, NULL, MSG_SMB_CONF_UPDATED,
+                                   printing_conf_updated);
 
                 fde = tevent_add_fd(ev, ev, pause_pipe[1], TEVENT_FD_READ,
@@ -1751 +1819 @@
                         smb_panic("tevent_add_fd() failed for pause_pipe");
                 }
+
+                /* reload on startup to ensure parent smbd is refreshed */
+                pcap_cache_reload(server_event_context(),
+                                  smbd_messaging_context(),
+                                  &reload_pcap_change_notify);
 
                 if (!(event_add_idle(ev, NULL,