--- /dev/null
+#ifndef foointernalhfoo
+#define foointernalhfoo
+
+/***
+ This file is part of catta.
+
+ catta is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ catta is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
+ Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with catta; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+/** A locally registered DNS resource record */
+typedef struct CattaEntry CattaEntry;
+
+#include <catta/llist.h>
+#include <catta/watch.h>
+#include <catta/timeval.h>
+#include <catta/core.h>
+
+#include "iface.h"
+#include "prioq.h"
+#include "timeeventq.h"
+#include "announce.h"
+#include "browse.h"
+#include "dns.h"
+#include "rrlist.h"
+#include "hashmap.h"
+#include "wide-area.h"
+#include "multicast-lookup.h"
+#include "dns-srv-rr.h"
+
+#define CATTA_LEGACY_UNICAST_REFLECT_SLOTS_MAX 100
+
+#define CATTA_FLAGS_VALID(flags, max) (!((flags) & ~(max)))
+
+#define CATTA_RR_HOLDOFF_MSEC 1000
+#define CATTA_RR_HOLDOFF_MSEC_RATE_LIMIT 20000
+#define CATTA_RR_RATE_LIMIT_COUNT 15
+
+#ifndef _WIN32
+#define closesocket close
+#define closepipe close
+#define writepipe write
+#define readpipe read
+#define winsock_init()
+#define winsock_exit()
+#define errnostrsocket() strerror(errno)
+#endif
+
+typedef struct CattaLegacyUnicastReflectSlot CattaLegacyUnicastReflectSlot;
+
+struct CattaLegacyUnicastReflectSlot {
+ CattaServer *server;
+
+ uint16_t id, original_id;
+ CattaAddress address;
+ uint16_t port;
+ CattaIfIndex iface;
+ struct timeval elapse_time;
+ CattaTimeEvent *time_event;
+};
+
+struct CattaEntry {
+ CattaServer *server;
+ CattaSEntryGroup *group;
+
+ int dead;
+
+ CattaPublishFlags flags;
+ CattaRecord *record;
+ CattaIfIndex iface;
+ CattaProtocol protocol;
+
+ CATTA_LLIST_FIELDS(CattaEntry, entries);
+ CATTA_LLIST_FIELDS(CattaEntry, by_key);
+ CATTA_LLIST_FIELDS(CattaEntry, by_group);
+
+ CATTA_LLIST_HEAD(CattaAnnouncer, announcers);
+};
+
+struct CattaSEntryGroup {
+ CattaServer *server;
+ int dead;
+
+ CattaEntryGroupState state;
+ void* userdata;
+ CattaSEntryGroupCallback callback;
+
+ unsigned n_probing;
+
+ unsigned n_register_try;
+ struct timeval register_time;
+ CattaTimeEvent *register_time_event;
+
+ struct timeval established_at;
+
+ CATTA_LLIST_FIELDS(CattaSEntryGroup, groups);
+ CATTA_LLIST_HEAD(CattaEntry, entries);
+};
+
+struct CattaServer {
+ const CattaPoll *poll_api;
+
+ CattaInterfaceMonitor *monitor;
+ CattaServerConfig config;
+
+ CATTA_LLIST_HEAD(CattaEntry, entries);
+ CattaHashmap *entries_by_key;
+
+ CATTA_LLIST_HEAD(CattaSEntryGroup, groups);
+
+ CATTA_LLIST_HEAD(CattaSRecordBrowser, record_browsers);
+ CattaHashmap *record_browser_hashmap;
+ CATTA_LLIST_HEAD(CattaSHostNameResolver, host_name_resolvers);
+ CATTA_LLIST_HEAD(CattaSAddressResolver, address_resolvers);
+ CATTA_LLIST_HEAD(CattaSDomainBrowser, domain_browsers);
+ CATTA_LLIST_HEAD(CattaSServiceTypeBrowser, service_type_browsers);
+ CATTA_LLIST_HEAD(CattaSServiceBrowser, service_browsers);
+ CATTA_LLIST_HEAD(CattaSServiceResolver, service_resolvers);
+ CATTA_LLIST_HEAD(CattaSDNSServerBrowser, dns_server_browsers);
+
+ int need_entry_cleanup, need_group_cleanup, need_browser_cleanup;
+
+ /* Used for scheduling RR cleanup */
+ CattaTimeEvent *cleanup_time_event;
+
+ CattaTimeEventQueue *time_event_queue;
+
+ char *host_name, *host_name_fqdn, *domain_name;
+
+ int fd_ipv4, fd_ipv6,
+ /* The following two sockets two are used for reflection only */
+ fd_legacy_unicast_ipv4, fd_legacy_unicast_ipv6;
+
+ CattaWatch *watch_ipv4, *watch_ipv6,
+ *watch_legacy_unicast_ipv4, *watch_legacy_unicast_ipv6;
+
+ CattaServerState state;
+ CattaServerCallback callback;
+ void* userdata;
+
+ CattaSEntryGroup *hinfo_entry_group;
+ CattaSEntryGroup *browse_domain_entry_group;
+ unsigned n_host_rr_pending;
+
+ /* Used for assembling responses */
+ CattaRecordList *record_list;
+
+ /* Used for reflection of legacy unicast packets */
+ CattaLegacyUnicastReflectSlot **legacy_unicast_reflect_slots;
+ uint16_t legacy_unicast_reflect_id;
+
+ /* The last error code */
+ int error;
+
+ /* The local service cookie */
+ uint32_t local_service_cookie;
+
+ CattaMulticastLookupEngine *multicast_lookup_engine;
+ CattaWideAreaLookupEngine *wide_area_lookup_engine;
+};
+
+void catta_entry_free(CattaServer*s, CattaEntry *e);
+void catta_entry_group_free(CattaServer *s, CattaSEntryGroup *g);
+
+void catta_cleanup_dead_entries(CattaServer *s);
+
+void catta_server_prepare_response(CattaServer *s, CattaInterface *i, CattaEntry *e, int unicast_response, int auxiliary);
+void catta_server_prepare_matching_responses(CattaServer *s, CattaInterface *i, CattaKey *k, int unicast_response);
+void catta_server_generate_response(CattaServer *s, CattaInterface *i, CattaDnsPacket *p, const CattaAddress *a, uint16_t port, int legacy_unicast, int is_probe);
+
+void catta_s_entry_group_change_state(CattaSEntryGroup *g, CattaEntryGroupState state);
+
+int catta_entry_is_commited(CattaEntry *e);
+
+void catta_server_enumerate_aux_records(CattaServer *s, CattaInterface *i, CattaRecord *r, void (*callback)(CattaServer *s, CattaRecord *r, int flush_cache, void* userdata), void* userdata);
+
+void catta_host_rr_entry_group_callback(CattaServer *s, CattaSEntryGroup *g, CattaEntryGroupState state, void *userdata);
+
+void catta_server_decrease_host_rr_pending(CattaServer *s);
+
+int catta_server_set_errno(CattaServer *s, int error);
+
+int catta_server_is_service_local(CattaServer *s, CattaIfIndex iface, CattaProtocol protocol, const char *name);
+int catta_server_is_record_local(CattaServer *s, CattaIfIndex iface, CattaProtocol protocol, CattaRecord *record);
+
+int catta_server_add_ptr(
+ CattaServer *s,
+ CattaSEntryGroup *g,
+ CattaIfIndex iface,
+ CattaProtocol protocol,
+ CattaPublishFlags flags,
+ uint32_t ttl,
+ const char *name,
+ const char *dest);
+
+#define CATTA_CHECK_VALIDITY(server, expression, error) { \
+ if (!(expression)) \
+ return catta_server_set_errno((server), (error)); \
+}
+
+#define CATTA_CHECK_VALIDITY_RETURN_NULL(server, expression, error) { \
+ if (!(expression)) { \
+ catta_server_set_errno((server), (error)); \
+ return NULL; \
+ } \
+}
+
+#define CATTA_CHECK_VALIDITY_SET_RET_GOTO_FAIL(server, expression, error) {\
+ if (!(expression)) { \
+ ret = catta_server_set_errno((server), (error)); \
+ goto fail; \
+ } \
+}
+
+#define CATTA_ASSERT_TRUE(expression) { \
+ int __tmp = !!(expression); \
+ assert(__tmp); \
+}
+
+#define CATTA_ASSERT_SUCCESS(expression) { \
+ int __tmp = (expression); \
+ assert(__tmp == 0); \
+}
+
+#endif
projects / catta / blobdiff