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Updated avahi support to register sub-types.

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This commit is contained in:
Tim Waugh 2011-08-08 18:10:45 +01:00
parent 9829b01410
commit e462076212
2 changed files with 80 additions and 61 deletions
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136
cups-avahi-5-services.patch
View File

@ -55,21 +55,20 @@ index e4c9b01..984dcc5 100644
/*
* Check if the hostname is an IP address...
diff --git a/scheduler/conf.c b/scheduler/conf.c
index badc630..1cbe5e2 100644
index badc630..c1edd39 100644
--- a/scheduler/conf.c
+++ b/scheduler/conf.c
@@ -651,6 +651,9 @@ cupsdReadConfiguration(void)
#ifdef HAVE_DNSSD
@@ -648,7 +648,7 @@ cupsdReadConfiguration(void)
Browsing = CUPS_DEFAULT_BROWSING;
DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
cupsdSetString(&DNSSDRegType, "_ipp._tcp,_cups");
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ cupsdSetString(&DNSSDRegType, "_ipp._tcp");
+#endif /* HAVE_AVAHI */
cupsdSetString(&LPDConfigFile, CUPS_DEFAULT_LPD_CONFIG_FILE);
cupsdSetString(&SMBConfigFile, CUPS_DEFAULT_SMB_CONFIG_FILE);
diff --git a/scheduler/dirsvc.c b/scheduler/dirsvc.c
index eb3c862..542ed7c 100644
index eb3c862..48dcef9 100644
--- a/scheduler/dirsvc.c
+++ b/scheduler/dirsvc.c
@@ -27,6 +27,7 @@
@ -476,7 +475,7 @@ index eb3c862..542ed7c 100644
/*
* 'dnssdRegisterPrinter()' - Start sending broadcast information for a printer
* or update the broadcast contents.
@@ -2654,20 +2803,39 @@ dnssdRegisterCallback(
@@ -2654,20 +2803,40 @@ dnssdRegisterCallback(
static void
dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
{
@ -495,10 +494,11 @@ index eb3c862..542ed7c 100644
+ int ret; /* Error code */
+ AvahiStringList *ipp_txt, /* IPP TXT record */
+ *printer_txt; /* LPD TXT record */
+ char name[AVAHI_LABEL_MAX]; /* Service name */
+ char name[AVAHI_LABEL_MAX], /* Service name */
+ fullsubtype[AVAHI_LABEL_MAX]; /* Full subtype */
+ char *regtype_copy, /* Writeable copy of reg type */
+ *regtypeptr, /* Current reg type */
+ *nextregtype; /* Next reg type */
+ *subtype, /* Current service sub type */
+ *nextsubtype; /* Next service sub type */
+#endif /* HAVE_AVAHI */
+ char *nameptr; /* Pointer into name */
const char *regtype; /* Registration type */
@ -519,7 +519,7 @@ index eb3c862..542ed7c 100644
/*
* If per-printer sharing was just disabled make sure we're not
* registered before returning.
@@ -2686,12 +2854,36 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
@@ -2686,12 +2855,36 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
if (p->info && strlen(p->info) > 0)
{
if (DNSSDComputerName)
@ -558,7 +558,7 @@ index eb3c862..542ed7c 100644
else
strlcpy(name, p->name, sizeof(name));
@@ -2712,6 +2904,7 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
@@ -2712,6 +2905,7 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
* Register IPP and (optionally) LPD...
*/
@ -566,7 +566,7 @@ index eb3c862..542ed7c 100644
ipp_len = 0; /* anti-compiler-warning-code */
ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0);
@@ -2884,6 +3077,193 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
@@ -2884,6 +3078,209 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
if (printer_txt)
free(printer_txt);
@ -595,35 +595,27 @@ index eb3c862..542ed7c 100644
+ avahi_string_list_free (p->printer_txt);
+
+ /*
+ * Update each service type (DNSSDRegType may contain several,
+ * separated by commas).
+ * Update the service group entry.
+ */
+
+ regtypeptr = regtype_copy = strdup (regtype);
+ while (regtypeptr && *regtypeptr)
+ {
+ nextregtype = strchr (regtypeptr, ',');
+ if (nextregtype)
+ *nextregtype++ = '\0';
+
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Updating TXT record for %s (%s)", name, regtypeptr);
+
+ ret = avahi_entry_group_update_service_txt_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name, regtypeptr,
+ NULL, ipp_txt);
+ if (ret < 0)
+ {
+ free (regtype_copy);
+ goto update_failed;
+ }
+
+ regtypeptr = nextregtype;
+ }
+ regtype_copy = strdup (regtype);
+ subtype = strchr (regtype_copy, ',');
+ if (subtype)
+ *subtype = '\0';
+
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Updating TXT record for %s (%s)", name, regtype_copy);
+ ret = avahi_entry_group_update_service_txt_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name,
+ regtype_copy,
+ NULL, ipp_txt);
+ free (regtype_copy);
+
+ if (ret < 0)
+ goto update_failed;
+
+ p->ipp_txt = ipp_txt;
+ ipp_txt = NULL;
+
@ -682,30 +674,54 @@ index eb3c862..542ed7c 100644
+ * separated by commas).
+ */
+
+ regtypeptr = regtype_copy = strdup (regtype);
+ while (regtypeptr && *regtypeptr)
+ subtype = regtype_copy = strdup (regtype);
+ while (subtype && *subtype)
+ {
+ nextregtype = strchr (regtypeptr, ',');
+ if (nextregtype)
+ *nextregtype++ = '\0';
+ nextsubtype = strchr (subtype, ',');
+ if (nextsubtype)
+ *nextsubtype++ = '\0';
+
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Adding TXT record for %s (%s)", name, regtypeptr);
+ if (subtype == regtype_copy)
+ {
+ /*
+ * Main type entry.
+ */
+
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Adding TXT record for %s (%s)", name, regtype_copy);
+ ret = avahi_entry_group_add_service_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name, regtype_copy,
+ NULL, NULL,
+ DNSSDPort,
+ ipp_txt);
+ }
+ else
+ {
+ /*
+ * Sub-type entry.
+ */
+
+ snprintf (fullsubtype, sizeof(fullsubtype),
+ "%s._sub.%s", subtype, regtype_copy);
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Adding TXT record for %s (%s)", name, fullsubtype);
+ ret = avahi_entry_group_add_service_subtype (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name,
+ regtype_copy,
+ NULL, fullsubtype);
+ }
+
+ ret = avahi_entry_group_add_service_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name, regtypeptr,
+ NULL, NULL,
+ DNSSDPort,
+ ipp_txt);
+ if (ret < 0)
+ {
+ free (regtype_copy);
+ goto add_failed;
+ }
+
+ regtypeptr = nextregtype;
+ subtype = nextsubtype;
+ }
+
+ free (regtype_copy);
@ -760,7 +776,7 @@ index eb3c862..542ed7c 100644
}
@@ -2896,6 +3276,10 @@ dnssdStop(void)
@@ -2896,6 +3293,10 @@ dnssdStop(void)
{
cupsd_printer_t *p; /* Current printer */
@ -771,7 +787,7 @@ index eb3c862..542ed7c 100644
/*
* De-register the individual printers
@@ -2906,6 +3290,7 @@ dnssdStop(void)
@@ -2906,6 +3307,7 @@ dnssdStop(void)
p = (cupsd_printer_t *)cupsArrayNext(Printers))
dnssdDeregisterPrinter(p);
@ -779,7 +795,7 @@ index eb3c862..542ed7c 100644
/*
* Shutdown the rest of the service refs...
*/
@@ -2926,14 +3311,17 @@ dnssdStop(void)
@@ -2926,14 +3328,17 @@ dnssdStop(void)
DNSServiceRefDeallocate(DNSSDRef);
DNSSDRef = NULL;
@ -797,7 +813,7 @@ index eb3c862..542ed7c 100644
/*
* 'dnssdUpdate()' - Handle DNS-SD queries.
*/
@@ -2955,6 +3343,147 @@ dnssdUpdate(void)
@@ -2955,6 +3360,147 @@ dnssdUpdate(void)
#endif /* HAVE_DNSSD */

5
cups.spec
View File

@ -13,7 +13,7 @@
Summary: Common Unix Printing System
Name: cups
Version: 1.5.0
Release: 2%{?dist}
Release: 3%{?dist}
License: GPLv2
Group: System Environment/Daemons
Source: http://ftp.easysw.com/pub/cups/%{version}/cups-%{version}-source.tar.bz2
@ -635,6 +635,9 @@ rm -rf $RPM_BUILD_ROOT
%{_mandir}/man1/ipptool.1.gz
%changelog
* Mon Aug 8 2011 Tim Waugh <twaugh@redhat.com> 1:1.5.0-3
- Updated avahi support to register sub-types.
* Fri Aug 5 2011 Tim Waugh <twaugh@redhat.com> 1:1.5.0-2
- Ported avahi support from 1.4.