nmbd/nmbd_responserecordsdb.c

ソースコードを見る。

関数

static void add_response_record (struct subnet_record *subrec, struct response_record *rrec)
void remove_response_record (struct subnet_record *subrec, struct response_record *rrec)
response_recordmake_response_record (struct subnet_record *subrec, struct packet_struct *p, response_function resp_fn, timeout_response_function timeout_fn, success_function success_fn, fail_function fail_fn, struct userdata_struct *userdata)
static struct response_recordfind_response_record_on_subnet (struct subnet_record *subrec, uint16 id)
response_recordfind_response_record (struct subnet_record **ppsubrec, uint16 id)
BOOL is_refresh_already_queued (struct subnet_record *subrec, struct name_record *namerec)

変数

int num_response_packets = 0


関数

static void add_response_record ( struct subnet_record subrec,
struct response_record rrec 
) [static]

nmbd_responserecordsdb.c32 行で定義されています。

参照先 num_response_packetsresponse_record::response_idsubnet_record::responselistsubnet_record::subnet_name.

参照元 make_response_record().

00034 {
00035         num_response_packets++; /* count of total number of packets still around */
00036 
00037         DEBUG(4,("add_response_record: adding response record id:%hu to subnet %s. num_records:%d\n",
00038                 rrec->response_id, subrec->subnet_name, num_response_packets));
00039 
00040         DLIST_ADD_END(subrec->responselist, rrec, struct response_record *);
00041 }

void remove_response_record ( struct subnet_record subrec,
struct response_record rrec 
)

nmbd_responserecordsdb.c47 行で定義されています。

参照先 userdata_struct::free_fnfree_packet()packet_struct::lockedresponse_record::nextnum_response_packetsresponse_record::packetsubnet_record::responselistresponse_record::userdata.

参照元 node_status_response()node_status_timeout_response()query_name_timeout_response()register_name_response()register_name_timeout_response()release_name_response()release_name_timeout_response()retransmit_or_expire_response_records()wins_registration_timeout().

00049 {
00050         /* It is possible this can be called twice,
00051            with a rrec pointer that has been freed. So
00052            before we inderect into rrec, search for it
00053            on the responselist first. Bug #3617. JRA. */
00054 
00055         struct response_record *p = NULL;
00056 
00057         for (p = subrec->responselist; p; p = p->next) {
00058                 if (p == rrec) {
00059                         break;
00060                 }
00061         }
00062 
00063         if (p == NULL) {
00064                 /* We didn't find rrec on the list. */
00065                 return;
00066         }
00067 
00068         DLIST_REMOVE(subrec->responselist, rrec);
00069 
00070         if(rrec->userdata) {
00071                 if(rrec->userdata->free_fn) {
00072                         (*rrec->userdata->free_fn)(rrec->userdata);
00073                 } else {
00074                         ZERO_STRUCTP(rrec->userdata);
00075                         SAFE_FREE(rrec->userdata);
00076                 }
00077         }
00078 
00079         /* Ensure we can delete. */
00080         rrec->packet->locked = False;
00081         free_packet(rrec->packet);
00082 
00083         ZERO_STRUCTP(rrec);
00084         SAFE_FREE(rrec);
00085 
00086         num_response_packets--; /* count of total number of packets still around */
00087 }

struct response_record* make_response_record ( struct subnet_record subrec,
struct packet_struct p,
response_function  resp_fn,
timeout_response_function  timeout_fn,
success_function  success_fn,
fail_function  fail_fn,
struct userdata_struct userdata 
)

nmbd_responserecordsdb.c93 行で定義されています。

参照先 add_response_record()userdata_struct::copy_fnuserdata_struct::datauserdata_struct::free_fnnmb_packet::headerpacket_struct::lockednmb_packet::name_trn_idnmb_packet::nm_flagspacket_struct::nmbpacket_struct::packetuserdata_struct::userdata_len.

参照元 queue_node_status()queue_query_name()queue_query_name_from_wins_server()queue_register_multihomed_name()queue_register_name()queue_release_name()queue_wins_refresh().

00100 {
00101         struct response_record *rrec;
00102         struct nmb_packet *nmb = &p->packet.nmb;
00103 
00104         if (!(rrec = SMB_MALLOC_P(struct response_record))) {
00105                 DEBUG(0,("make_response_queue_record: malloc fail for response_record.\n"));
00106                 return NULL;
00107         }
00108 
00109         memset((char *)rrec, '\0', sizeof(*rrec));
00110 
00111         rrec->response_id = nmb->header.name_trn_id;
00112 
00113         rrec->resp_fn = resp_fn;
00114         rrec->timeout_fn = timeout_fn;
00115         rrec->success_fn = success_fn;
00116         rrec->fail_fn = fail_fn;
00117 
00118         rrec->packet = p;
00119 
00120         if(userdata) {
00121                 /* Intelligent userdata. */
00122                 if(userdata->copy_fn) {
00123                         if((rrec->userdata = (*userdata->copy_fn)(userdata)) == NULL) {
00124                                 DEBUG(0,("make_response_queue_record: copy fail for userdata.\n"));
00125                                 ZERO_STRUCTP(rrec);
00126                                 SAFE_FREE(rrec);
00127                                 return NULL;
00128                         }
00129                 } else {
00130                         /* Primitive userdata, do a memcpy. */
00131                         if((rrec->userdata = (struct userdata_struct *)
00132                                         SMB_MALLOC(sizeof(struct userdata_struct)+userdata->userdata_len)) == NULL) {
00133                                 DEBUG(0,("make_response_queue_record: malloc fail for userdata.\n"));
00134                                 ZERO_STRUCTP(rrec);
00135                                 SAFE_FREE(rrec);
00136                                 return NULL;
00137                         }
00138                         rrec->userdata->copy_fn = userdata->copy_fn;
00139                         rrec->userdata->free_fn = userdata->free_fn;
00140                         rrec->userdata->userdata_len = userdata->userdata_len;
00141                         memcpy(rrec->userdata->data, userdata->data, userdata->userdata_len);
00142                 }
00143         } else {
00144                 rrec->userdata = NULL;
00145         }
00146 
00147         rrec->num_msgs = 0;
00148 
00149         if(!nmb->header.nm_flags.bcast)
00150                 rrec->repeat_interval = 5; /* 5 seconds for unicast packets. */
00151         else
00152                 rrec->repeat_interval = 1; /* XXXX should be in ms */
00153         rrec->repeat_count = 3; /* 3 retries */
00154         rrec->repeat_time = time(NULL) + rrec->repeat_interval; /* initial retry time */
00155 
00156         /* This packet is not being processed. */
00157         rrec->in_expiration_processing = False;
00158 
00159         /* Lock the packet so we won't lose it while it's on the list. */
00160         p->locked = True;
00161 
00162         add_response_record(subrec, rrec);
00163 
00164         return rrec;
00165 }

static struct response_record* find_response_record_on_subnet ( struct subnet_record subrec,
uint16  id 
) [static]

nmbd_responserecordsdb.c171 行で定義されています。

参照先 response_record::nextresponse_record::response_idsubnet_record::responselistsubnet_record::subnet_name.

参照元 find_response_record().

00173 {  
00174         struct response_record *rrec = NULL;
00175 
00176         for (rrec = subrec->responselist; rrec; rrec = rrec->next) {
00177                 if (rrec->response_id == id) {
00178                         DEBUG(4, ("find_response_record: found response record id = %hu on subnet %s\n",
00179                                 id, subrec->subnet_name));
00180                         break;
00181                 }
00182         }
00183         return rrec;
00184 }

struct response_record* find_response_record ( struct subnet_record **  ppsubrec,
uint16  id 
)

nmbd_responserecordsdb.c190 行で定義されています。

参照先 find_response_record_on_subnet()remote_broadcast_subnetsubnet_record::responselistsubnet_record::subnet_namewins_server_subnet.

参照元 find_subnet_for_nmb_packet().

00192 {  
00193         struct response_record *rrec = NULL;
00194 
00195         for ((*ppsubrec) = FIRST_SUBNET; (*ppsubrec); 
00196                                 (*ppsubrec) = NEXT_SUBNET_INCLUDING_UNICAST(*ppsubrec)) {
00197                 if((rrec = find_response_record_on_subnet(*ppsubrec, id)) != NULL)
00198                         return rrec;
00199         }
00200 
00201         /* There should never be response records on the remote_broadcast subnet.
00202                         Sanity check to ensure this is so. */
00203         if(remote_broadcast_subnet->responselist != NULL) {
00204                 DEBUG(0,("find_response_record: response record found on subnet %s. This should \
00205 never happen !\n", remote_broadcast_subnet->subnet_name));
00206         }
00207 
00208         /* Now check the WINS server subnet if it exists. */
00209         if(wins_server_subnet != NULL) {
00210                 *ppsubrec = wins_server_subnet;
00211                 if((rrec = find_response_record_on_subnet(*ppsubrec, id))!= NULL)
00212                         return rrec;
00213         }
00214 
00215         DEBUG(3,("find_response_record: response packet id %hu received with no \
00216 matching record.\n", id));
00217  
00218         *ppsubrec = NULL;
00219 
00220         return NULL;
00221 }

BOOL is_refresh_already_queued ( struct subnet_record subrec,
struct name_record namerec 
)

nmbd_responserecordsdb.c227 行で定義されています。

参照先 nmb_packet::headername_record::nameresponse_record::nextpacket_struct::nmbnmb_name_equal()nmb_packet::opcodepacket_struct::packetresponse_record::packetnmb_packet::questionnmb_packet::question_namesubnet_record::responselist.

参照元 refresh_my_names().

00228 {  
00229         struct response_record *rrec = NULL;
00230    
00231         for (rrec = subrec->responselist; rrec; rrec = rrec->next) {
00232                 struct packet_struct *p = rrec->packet;
00233                 struct nmb_packet *nmb = &p->packet.nmb;
00234 
00235                 if((nmb->header.opcode == NMB_NAME_REFRESH_OPCODE_8) ||
00236                                 (nmb->header.opcode == NMB_NAME_REFRESH_OPCODE_9)) {
00237                         /* Yes it's a queued refresh - check if the name is correct. */
00238                         if(nmb_name_equal(&nmb->question.question_name, &namerec->name))
00239                         return True;
00240                 }
00241         }
00242 
00243         return False;
00244 }


変数

int num_response_packets = 0

nmbd_responserecordsdb.c26 行で定義されています。

参照元 add_response_record()listen_for_packets()remove_response_record().


Sambaに対してSat Aug 29 21:23:53 2009に生成されました。  doxygen 1.4.7