patches/avahi-12-browse.diff
author yippi
Mon, 27 Sep 2010 21:07:51 +0000
changeset 20108 51df67ca9307
parent 10044 7508208432e4
child 21365 ead32bf37db7
permissions -rw-r--r--
I had these modules listed as being owned by me, but they are really owned by wangke, correcting.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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--- /usr/tmp/clean/avahi-0.6.13/avahi-core/browse.c	2006-06-22 00:30:49.000000000 +0100
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+++ avahi-0.6.13/avahi-core/browse.c	2006-08-31 13:54:14.293664000 +0100
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@@ -24,6 +24,7 @@
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 #endif
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 #include <stdlib.h>
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+#include <stdio.h>
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 #include <avahi-common/timeval.h>
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 #include <avahi-common/malloc.h>
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@@ -521,6 +522,91 @@
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     }
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 }
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+#ifdef HAVE_BONJOUR
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+static void resolve_socket_event(AvahiWatch *w, int fd, AvahiWatchEvent events,
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+void *userdata) {
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+    AvahiSRecordBrowser *b = userdata;
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+    DNSServiceErrorType ret;
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+    DNSServiceRef client;
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+
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+    assert(w);
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+    assert(fd >= 0);
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+    assert(events & AVAHI_WATCH_IN);
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+
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+    assert (fd == DNSServiceRefSockFD(b->client));
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+
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+    ret = DNSServiceProcessResult(b->client);
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+    if (ret != kDNSServiceErr_NoError) {
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+        if (b->watch) {
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+            b->server->poll_api->watch_free(b->watch);
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+            b->watch = NULL;
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+        }
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+        DNSServiceRefDeallocate(b->client);
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+        b->client = NULL;
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+        avahi_server_set_errno(b->server, AVAHI_ERR_DISCONNECTED);
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+        b->callback(b, b->interface, b->protocol, AVAHI_BROWSER_FAILURE, NULL, 0, b->userdata);
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+    }
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+}
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+
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+static void resolve_error_callback(AvahiTimeEvent *e, void *userdata) {
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+    AvahiSRecordBrowser *b = userdata;
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+
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+    if (b->defer_time_event) {
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+        avahi_time_event_free(b->defer_time_event);
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+        b->defer_time_event = NULL;
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+    }
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+    avahi_server_set_errno(b->server, AVAHI_ERR_FAILURE);
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+    b->callback(
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+        b, b->interface, b->protocol, AVAHI_BROWSER_FAILURE, NULL,
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+        0,
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+        b->userdata);
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+}
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+
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+static void browse_reply(DNSServiceRef client, DNSServiceFlags flags, uint32_t ifIndex, DNSServiceErrorType errorCode,
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+        const char *fullname, uint16_t rrtype, uint16_t rrclass, uint16_t rdlen, const void *rdata, uint32_t ttl, void *context) {
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+    AvahiSRecordBrowser *b = context;
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+    AvahiRecord *rr;
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+    AvahiKey *k;
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+
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+    k = avahi_key_new(fullname, rrclass, rrtype);
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+    rr = avahi_record_new(k, ttl);
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+    if (avahi_rdata_parse(rr, rdata, rdlen) != 0) {
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+        printf("parse failed\n");
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+        return;
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+    }
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+    b->callback(b, b->interface, b->protocol, AVAHI_BROWSER_NEW, rr, 0, b->userdata);
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+    avahi_record_unref(rr);
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+}
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+
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+static void avahi_browse_record_start(AvahiSRecordBrowser *b) {
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+    DNSServiceErrorType ret;
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+    DNSServiceFlags flags;
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+
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+    if (b->flags != AVAHI_LOOKUP_USE_WIDE_AREA)
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+        flags = kDNSServiceFlagsForceMulticast;
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+    else
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+        flags = 0;
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+
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+    ret = DNSServiceQueryRecord(&b->client,
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+                                0,
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+                                b->interface == AVAHI_IF_UNSPEC ?
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+                                    kDNSServiceInterfaceIndexAny :
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+                                    b->interface,
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+                                b->key->name,
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+                                b->key->type,
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+                                b->key->clazz,
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+                                browse_reply,
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+                                b);
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+    if (ret != kDNSServiceErr_NoError || !b->client) {
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+        b->defer_time_event = avahi_time_event_new(b->server->time_event_queue,
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+NULL, resolve_error_callback, b);
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+    } else {
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+        b->defer_time_event = NULL;
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+        b->watch = b->server->poll_api->watch_new(b->server->poll_api, DNSServiceRefSockFD(b->client), AVAHI_WATCH_IN, resolve_socket_event, b);
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+    }
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+}
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+#endif
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+
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 AvahiSRecordBrowser *avahi_s_record_browser_new(
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     AvahiServer *server,
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     AvahiIfIndex interface,
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@@ -561,10 +647,15 @@
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     b->root_lookup = NULL;
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     AVAHI_LLIST_PREPEND(AvahiSRecordBrowser, browser, server->record_browsers, b);
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-
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+#ifdef HAVE_BONJOUR
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+    b->watch = NULL;
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+    b->client = NULL;
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+    avahi_browse_record_start(b);
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+#else
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     /* The currently cached entries are scanned a bit later, and than we will start querying, too */
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     b->defer_time_event = avahi_time_event_new(server->time_event_queue, NULL, defer_callback, b);
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     assert(b->defer_time_event);
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+#endif
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     return b;
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 }
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@@ -577,6 +668,13 @@
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     b->server->need_browser_cleanup = 1;
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     browser_cancel(b);
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+#ifdef HAVE_BONJOUR
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+    if (b->watch)
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+        b->server->poll_api->watch_free(b->watch);
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+
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+    if (b->client)
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+        DNSServiceRefDeallocate(b->client);
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+#endif
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 }
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 void avahi_s_record_browser_destroy(AvahiSRecordBrowser *b) {
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@@ -610,6 +708,8 @@
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     if (server->wide_area_lookup_engine)
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         avahi_wide_area_cleanup(server->wide_area_lookup_engine);
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+#ifndef HAVE_BONJOUR
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     avahi_multicast_lookup_engine_cleanup(server->multicast_lookup_engine);
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+#endif
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 }
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--- /usr/tmp/clean/avahi-0.6.12/avahi-core/browse.h	2005-10-25 00:44:41.000000000 +0100
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+++ avahi-0.6.12/avahi-core/browse.h	2006-08-24 09:21:09.326626000 +0100
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@@ -52,6 +52,11 @@
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     unsigned n_lookups;
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     AvahiSRBLookup *root_lookup;
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+
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+#ifdef HAVE_BONJOUR
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+    DNSServiceRef client;
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+    AvahiWatch *watch;
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+#endif
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 };
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 void avahi_browser_cleanup(AvahiServer *server);