You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1185 lines
35 KiB
1185 lines
35 KiB
/* dwRetval = MgmAddGroupMembershipEntry(g_MgmIgmprtrHandle, 0, 0,
|
|
pge->Group, 0, IfIndex, NHAddr);
|
|
|
|
dwRetval = MgmDeleteGroupMembershipEntry(g_MgmIgmprtrHandle, 0, 0, pge->Group,
|
|
0, pite->IfIndex, NHAddr);
|
|
*/
|
|
|
|
//=============================================================================
|
|
// Copyright (c) 1997 Microsoft Corporation
|
|
// File: table2.c
|
|
//
|
|
// Abstract:
|
|
// This module implements some of the routines associated with getting
|
|
// entries. and some debug routines
|
|
//
|
|
// GetRasClientByAddr, GetIfByIndex, InsertIfByAddr, MatchIpAddrBinding,
|
|
// GetGroupFromGroupTable, GetGIFromGIList, GetGIFromGIList.
|
|
//
|
|
// DebugPrintGIList, DebugPrintGroups, DebugPrintLocks
|
|
//
|
|
// Author: K.S.Lokesh (lokeshs@) 11-1-97
|
|
//
|
|
// Revision History:
|
|
//=============================================================================
|
|
|
|
#include "pchigmp.h"
|
|
#pragma hdrstop
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _GetRasClientByAddr
|
|
// Returns pointer to Ras clients RasTableEntry
|
|
//------------------------------------------------------------------------------
|
|
|
|
PRAS_TABLE_ENTRY
|
|
GetRasClientByAddr (
|
|
DWORD NHAddr,
|
|
PRAS_TABLE prt
|
|
)
|
|
{
|
|
PRAS_TABLE_ENTRY pite = NULL;
|
|
PLIST_ENTRY phead, ple;
|
|
PRAS_TABLE_ENTRY prte=NULL;
|
|
|
|
phead = &prt->HashTableByAddr[RAS_HASH_VALUE(NHAddr)];
|
|
|
|
for (ple=phead->Flink; ple!=phead; ple=ple->Flink) {
|
|
|
|
prte = CONTAINING_RECORD(ple, RAS_TABLE_ENTRY, HTLinkByAddr);
|
|
|
|
if (prte->NHAddr == NHAddr) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (ple == phead) ? NULL: prte;
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _GetIfByIndex
|
|
//
|
|
// returns the interface with the given index.
|
|
// assumes the interface bucket is either read or write locked
|
|
//------------------------------------------------------------------------------
|
|
|
|
PIF_TABLE_ENTRY
|
|
GetIfByIndex(
|
|
DWORD IfIndex
|
|
)
|
|
{
|
|
PIF_TABLE_ENTRY pite = NULL;
|
|
PLIST_ENTRY phead, ple;
|
|
|
|
|
|
phead = &g_pIfTable->HashTableByIndex[IF_HASH_VALUE(IfIndex)];
|
|
|
|
for (ple=phead->Flink; ple!=phead; ple=ple->Flink) {
|
|
|
|
pite = CONTAINING_RECORD(ple, IF_TABLE_ENTRY, HTLinkByIndex);
|
|
|
|
if (pite->IfIndex == IfIndex) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (ple == phead) ? NULL: pite;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _InsertIfByAddr
|
|
//
|
|
// inserts the activated interface into the list of interfaces sorted by address.
|
|
// assumes the table is locked for writing
|
|
//------------------------------------------------------------------------------
|
|
|
|
DWORD
|
|
InsertIfByAddr(
|
|
PIF_TABLE_ENTRY piteInsert
|
|
)
|
|
{
|
|
|
|
PIF_TABLE_ENTRY pite;
|
|
INT cmp, cmp1;
|
|
DWORD InsertAddr;
|
|
PLIST_ENTRY phead, ple;
|
|
|
|
|
|
phead = &g_pIfTable->ListByAddr;
|
|
|
|
|
|
InsertAddr = piteInsert->IpAddr;
|
|
|
|
//
|
|
// search for the insertion point
|
|
//
|
|
|
|
for (ple=phead->Flink; ple!=phead; ple=ple->Flink) {
|
|
|
|
pite = CONTAINING_RECORD(ple, IF_TABLE_ENTRY, LinkByAddr);
|
|
|
|
if ( (cmp1 = INET_CMP(InsertAddr, pite->IpAddr, cmp)) < 0)
|
|
break;
|
|
|
|
//
|
|
// return error if there are duplicate addresses.
|
|
// no error for unnumbered interfaces, ie for addr==0
|
|
//
|
|
else if ( (cmp1==0) && (InsertAddr!=0) )
|
|
return ERROR_ALREADY_EXISTS;
|
|
}
|
|
|
|
InsertTailList(ple, &piteInsert->LinkByAddr);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// MatchIpAddrBinding //
|
|
// finds if the interface is bound to any address equal to IpAddr //
|
|
//------------------------------------------------------------------------------
|
|
BOOL
|
|
MatchIpAddrBinding(
|
|
PIF_TABLE_ENTRY pite,
|
|
DWORD IpAddr
|
|
)
|
|
{
|
|
PIGMP_IP_ADDRESS paddr;
|
|
DWORD i;
|
|
PIGMP_IF_BINDING pib;
|
|
|
|
pib = pite->pBinding;
|
|
paddr = IGMP_BINDING_FIRST_ADDR(pib);
|
|
|
|
|
|
for (i=0; i<pib->AddrCount; i++,paddr++) {
|
|
if (IpAddr==paddr->IpAddr)
|
|
break;
|
|
}
|
|
|
|
return (i<pib->AddrCount)? TRUE: FALSE;
|
|
}
|
|
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _InsertInGroupsList
|
|
//
|
|
// Inserts a newly created group in the New or Main group list.
|
|
// Calls: May call _MergeGroupLists() to merge the New and Main lists
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
InsertInGroupsList (
|
|
PGROUP_TABLE_ENTRY pgeNew
|
|
)
|
|
{
|
|
PGROUP_TABLE_ENTRY pgeTmp;
|
|
PLIST_ENTRY pHead, ple;
|
|
DWORD GroupLittleEndian = pgeNew->GroupLittleEndian;
|
|
BOOL bInsertInNew;
|
|
|
|
//
|
|
// insert the group in main list if less than 20 entries, else insert in
|
|
// the New list
|
|
//
|
|
bInsertInNew = (g_Info.CurrentGroupMemberships > 20);
|
|
|
|
pHead = bInsertInNew ?
|
|
&g_pGroupTable->ListByGroupNew :
|
|
&g_pGroupTable->ListByGroup.Link;
|
|
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pgeTmp = CONTAINING_RECORD(ple, GROUP_TABLE_ENTRY, LinkByGroup);
|
|
if (GroupLittleEndian<pgeTmp->GroupLittleEndian)
|
|
break;
|
|
}
|
|
|
|
InsertTailList(ple, &pgeNew->LinkByGroup);
|
|
|
|
if (bInsertInNew) {
|
|
|
|
// increment count of
|
|
g_pGroupTable->NumGroupsInNewList++;
|
|
|
|
|
|
//
|
|
// merge lists if required
|
|
//
|
|
if (MERGE_GROUP_LISTS_REQUIRED()) {
|
|
|
|
MergeGroupLists();
|
|
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _InsertInIfGroupsList
|
|
// Inserts a newly created group in the New or Main group list.
|
|
// Calls: May call MergeIfGroupLists() to merge the New and Main lists
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
InsertInIfGroupsList (
|
|
PIF_TABLE_ENTRY pite,
|
|
PGI_ENTRY pgiNew
|
|
)
|
|
{
|
|
PGI_ENTRY pgiTmp;
|
|
PLIST_ENTRY pHead, ple;
|
|
DWORD GroupLittleEndian = pgiNew->pGroupTableEntry->GroupLittleEndian;
|
|
BOOL bInsertInNew;
|
|
|
|
|
|
//
|
|
// insert the group in main list if less than 20 entries, else insert in
|
|
// the New list
|
|
//
|
|
bInsertInNew = (pite->Info.CurrentGroupMemberships > 20);
|
|
|
|
pHead = bInsertInNew ?
|
|
&pite->ListOfSameIfGroupsNew :
|
|
&pite->ListOfSameIfGroups;
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pgiTmp = CONTAINING_RECORD(ple, GI_ENTRY, LinkBySameIfGroups);
|
|
if (GroupLittleEndian<pgiTmp->pGroupTableEntry->GroupLittleEndian)
|
|
break;
|
|
}
|
|
|
|
InsertTailList(ple, &pgiNew->LinkBySameIfGroups);
|
|
|
|
if (bInsertInNew) {
|
|
|
|
// increment count of
|
|
pite->NumGIEntriesInNewList++;
|
|
|
|
|
|
//
|
|
// merge lists if required
|
|
//
|
|
if (MERGE_IF_GROUPS_LISTS_REQUIRED(pite)) {
|
|
|
|
MergeIfGroupsLists(pite);
|
|
|
|
}
|
|
}
|
|
|
|
return;
|
|
|
|
}//end _InsertInIfGroupsList
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// InsertInProxyList
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
InsertInProxyList (
|
|
PIF_TABLE_ENTRY pite,
|
|
PPROXY_GROUP_ENTRY pNewProxyEntry
|
|
)
|
|
{
|
|
PPROXY_GROUP_ENTRY pTmpProxyEntry;
|
|
PLIST_ENTRY pHead, ple;
|
|
DWORD GroupLittleEndian = pNewProxyEntry->GroupLittleEndian;
|
|
BOOL bInsertInNew;
|
|
|
|
|
|
//
|
|
// dont insert in new list if less than 20 entries, else insert in
|
|
// the New list
|
|
//
|
|
bInsertInNew = (pite->NumGIEntriesInNewList > 20);
|
|
|
|
pHead = bInsertInNew ?
|
|
&pite->ListOfSameIfGroupsNew :
|
|
&pite->ListOfSameIfGroups;
|
|
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pTmpProxyEntry = CONTAINING_RECORD(ple, PROXY_GROUP_ENTRY,
|
|
LinkBySameIfGroups);
|
|
if (GroupLittleEndian<pTmpProxyEntry->GroupLittleEndian)
|
|
break;
|
|
}
|
|
|
|
InsertTailList(ple, &pNewProxyEntry->LinkBySameIfGroups);
|
|
|
|
if (bInsertInNew) {
|
|
|
|
// increment count of
|
|
pite->NumGIEntriesInNewList++;
|
|
|
|
|
|
//
|
|
// merge lists if required
|
|
//
|
|
if (MERGE_PROXY_LISTS_REQUIRED(pite)) {
|
|
|
|
MergeProxyLists(pite);
|
|
|
|
}
|
|
}
|
|
|
|
return;
|
|
}//end _InsertInProxyList
|
|
|
|
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _GetGroupFromGroupTable
|
|
// Returns the group entry. If group entry does not exist and bCreateFlag is
|
|
// set, then it will take a group-list lock and create a new entry.
|
|
// Locks:
|
|
// Assumes lock on group bucket.
|
|
// takes group-list lock if new group is being created.
|
|
// If read only, assumes lock on group list
|
|
//------------------------------------------------------------------------------
|
|
|
|
PGROUP_TABLE_ENTRY
|
|
GetGroupFromGroupTable (
|
|
DWORD Group,
|
|
BOOL *bCreate, //set to true if new one created
|
|
LONGLONG llCurrentTime
|
|
)
|
|
{
|
|
PGROUP_TABLE_ENTRY pge; //group table entry
|
|
PLIST_ENTRY pHead, ple;
|
|
DWORD Error = NO_ERROR;
|
|
DWORD bCreateLocal;
|
|
DWORD GroupLittleEndian = NETWORK_TO_LITTLE_ENDIAN(Group);
|
|
|
|
|
|
|
|
bCreateLocal = (bCreate==NULL) ? FALSE : *bCreate;
|
|
|
|
|
|
if (llCurrentTime==0)
|
|
llCurrentTime = GetCurrentIgmpTime();
|
|
|
|
|
|
BEGIN_BREAKOUT_BLOCK1 {
|
|
|
|
// get pointer to the head of the group bucket
|
|
|
|
pHead = &g_pGroupTable->HashTableByGroup[GROUP_HASH_VALUE(Group)].Link;
|
|
|
|
|
|
// search for the group
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
pge = CONTAINING_RECORD(ple, GROUP_TABLE_ENTRY, HTLinkByGroup);
|
|
if (GroupLittleEndian>=pge->GroupLittleEndian) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// group entry not found
|
|
//
|
|
if ( (ple==pHead) || (pge->GroupLittleEndian!=GroupLittleEndian) ) {
|
|
|
|
//
|
|
// create and initialize new entry
|
|
//
|
|
if (bCreateLocal) {
|
|
|
|
bCreateLocal = TRUE;
|
|
|
|
pge = IGMP_ALLOC(sizeof(GROUP_TABLE_ENTRY), 0x800010,0xaaaa);
|
|
|
|
PROCESS_ALLOC_FAILURE2(pge,
|
|
"Error %d allocation %d bytes for Group table entry",
|
|
Error, sizeof(GROUP_TABLE_ENTRY),
|
|
GOTO_END_BLOCK1);
|
|
|
|
|
|
InsertTailList(ple, &pge->HTLinkByGroup);
|
|
InitializeListHead(&pge->LinkByGroup);
|
|
|
|
|
|
pge->Group = Group;
|
|
pge->GroupLittleEndian = GroupLittleEndian;
|
|
pge->NumVifs = 0;
|
|
pge->Status = CREATED_FLAG;
|
|
pge->GroupUpTime = llCurrentTime;
|
|
|
|
|
|
//
|
|
// insert it into the list of all groups after taking the group
|
|
// list lock
|
|
//
|
|
{
|
|
PGROUP_TABLE_ENTRY pgeTmp;
|
|
PLIST_ENTRY pHeadTmp, pleTmp;
|
|
|
|
// take group list lock
|
|
|
|
ACQUIRE_GROUP_LIST_LOCK("_GetGroupFromGroupTable");
|
|
|
|
|
|
// initialize GI list head
|
|
|
|
InitializeListHead(&pge->ListOfGIs);
|
|
|
|
|
|
// insert in group list
|
|
|
|
InsertInGroupsList(pge);
|
|
|
|
|
|
// release group lock
|
|
|
|
RELEASE_GROUP_LIST_LOCK("_GetGroupFromGroupTable");
|
|
}
|
|
|
|
|
|
// update statistics
|
|
|
|
InterlockedIncrement(&g_Info.CurrentGroupMemberships);
|
|
InterlockedIncrement(&g_Info.GroupMembershipsAdded);
|
|
|
|
}
|
|
// not found group, and do not create new group. So return NULL.
|
|
else {
|
|
pge = NULL;
|
|
GOTO_END_BLOCK1;
|
|
}
|
|
}
|
|
//
|
|
// group entry found
|
|
//
|
|
else {
|
|
bCreateLocal = FALSE;
|
|
}
|
|
|
|
} END_BREAKOUT_BLOCK1;
|
|
|
|
if (bCreate!=NULL)
|
|
*bCreate = bCreateLocal;
|
|
|
|
#if DBG
|
|
DebugPrintGroupsList(1);
|
|
#endif
|
|
|
|
|
|
return pge;
|
|
|
|
} //end _GetGroupFromGroupTable
|
|
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _GetGIFromGIList
|
|
//
|
|
// returns the GI entry if it exists. If the bCreate flag is set, then it creates
|
|
// a new GI entry if it does not exist.
|
|
//
|
|
// Locks: Assumes shared interface lock. If ras interface, also assumes shared
|
|
// Ras interface lock.
|
|
// Assumes lock on group bucket.
|
|
// Takes IF_GROUP_LIST_LOCK if new entry is to be created.
|
|
// On return: bCreate is set to TRUE if a new entry was created
|
|
//------------------------------------------------------------------------------
|
|
|
|
PGI_ENTRY
|
|
GetGIFromGIList (
|
|
PGROUP_TABLE_ENTRY pge,
|
|
PIF_TABLE_ENTRY pite,
|
|
DWORD dwInputSrcAddr, //used for NHAddr
|
|
BOOL bStaticGroup,
|
|
BOOL *bCreate,
|
|
LONGLONG llCurrentTime
|
|
)
|
|
{
|
|
DWORD IfIndex = pite->IfIndex;
|
|
BOOL bRasClient;
|
|
PLIST_ENTRY pHead, ple;
|
|
PGI_ENTRY pgie;
|
|
PRAS_TABLE_ENTRY prte;
|
|
PRAS_TABLE prt;
|
|
BOOL bRasNewGroup = TRUE; //true if 1st ras group
|
|
DWORD NHAddr;
|
|
DWORD Error = NO_ERROR, dwRetval, i;
|
|
BOOL bFound = FALSE, bCreateLocal;
|
|
|
|
|
|
|
|
Trace2(ENTER1, "Entering _GetGIFromGIList() IfIndex(%0x) Group(%d.%d.%d.%d)",
|
|
IfIndex, PRINT_IPADDR(pge->Group));
|
|
|
|
//DebugPrintIfGroups(pite,0);//deldel
|
|
|
|
bCreateLocal = (bCreate==NULL) ? FALSE : *bCreate;
|
|
|
|
if (llCurrentTime==0)
|
|
llCurrentTime = GetCurrentIgmpTime();
|
|
|
|
BEGIN_BREAKOUT_BLOCK1 {
|
|
//
|
|
// find out if ras-server.
|
|
//
|
|
bRasClient = IS_RAS_SERVER_IF(pite->IfType);
|
|
if (bRasClient) {
|
|
prt = pite->pRasTable;
|
|
|
|
// get ras client
|
|
|
|
prte = GetRasClientByAddr(dwInputSrcAddr, prt);
|
|
}
|
|
|
|
NHAddr = bRasClient ? dwInputSrcAddr : 0;
|
|
|
|
|
|
//
|
|
// search for GI entry
|
|
//
|
|
pHead = &pge->ListOfGIs;
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
pgie = CONTAINING_RECORD(ple, GI_ENTRY, LinkByGI);
|
|
|
|
if (pgie->IfIndex>IfIndex)
|
|
break;
|
|
|
|
//
|
|
// GI with same interface index
|
|
//
|
|
else if (pgie->IfIndex==IfIndex) {
|
|
|
|
// the GI entry might belong to some interface being deleted
|
|
|
|
if ( (pite!=pgie->pIfTableEntry)
|
|
||(IS_IF_DELETED(pgie->pIfTableEntry)) )
|
|
continue;
|
|
|
|
|
|
//multiple entries for ras clients
|
|
|
|
if (bRasClient) {
|
|
|
|
//
|
|
// I set this even if the ras client is marked to be deleted
|
|
//
|
|
bRasNewGroup = FALSE;
|
|
|
|
|
|
// the GI entry might belong to some other ras interface
|
|
// being deleted
|
|
|
|
if ( (prte!=pgie->pRasTableEntry)
|
|
|| (pgie->pRasTableEntry->Status&DELETED_FLAG) )
|
|
continue;
|
|
|
|
|
|
if (pgie->NHAddr>dwInputSrcAddr) {
|
|
break;
|
|
}
|
|
|
|
// found GI entry for ras interface
|
|
else if (pgie->NHAddr==dwInputSrcAddr) {
|
|
bFound = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// found GI entry for non ras interface
|
|
else {
|
|
bFound = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}// end for loop:search through list of GIs
|
|
|
|
//
|
|
// GIentry not found
|
|
//
|
|
if ( !bFound) {
|
|
|
|
// dont create new GI entry. Hence, return NULL
|
|
|
|
if (!bCreateLocal) {
|
|
pgie = NULL;
|
|
GOTO_END_BLOCK1;
|
|
}
|
|
|
|
|
|
//
|
|
// create and initialize new GI-entry
|
|
//
|
|
pgie = IGMP_ALLOC_AND_ZERO(sizeof(GI_ENTRY), 0x800011, pite->IfIndex);
|
|
|
|
PROCESS_ALLOC_FAILURE2(pgie,
|
|
"Error %d allocating %d bytes for group-interface entry",
|
|
Error, sizeof(GI_ENTRY),
|
|
GOTO_END_BLOCK1);
|
|
|
|
pgie->IfIndex = IfIndex;
|
|
pgie->Status = CREATED_FLAG;
|
|
pgie->bRasClient = bRasClient;
|
|
|
|
|
|
// insert in GI list
|
|
InsertTailList(ple, &pgie->LinkByGI);
|
|
|
|
|
|
//
|
|
// set back pointers to the interface entry, and group entry
|
|
//
|
|
pgie->pIfTableEntry = pite;
|
|
pgie->pGroupTableEntry = pge;
|
|
|
|
|
|
//
|
|
// Take lock on Interface-Group List before inserting into it
|
|
// for ras client, insert it into ras client list also
|
|
//
|
|
|
|
ACQUIRE_IF_GROUP_LIST_LOCK(pite->IfIndex, "_GetGIFromGIList");
|
|
|
|
// insert in ras client list
|
|
if (bRasClient) {
|
|
|
|
PLIST_ENTRY pleTmp, pHeadRasClient;
|
|
PGI_ENTRY pgieRasClient;
|
|
|
|
pHeadRasClient = &prte->ListOfSameClientGroups;
|
|
for (pleTmp=pHeadRasClient->Flink; pleTmp!=pHeadRasClient;
|
|
pleTmp=pleTmp->Flink)
|
|
{
|
|
pgieRasClient = CONTAINING_RECORD(pleTmp, GI_ENTRY,
|
|
LinkBySameClientGroups);
|
|
if (pge->Group < pgieRasClient->pGroupTableEntry->Group)
|
|
break;
|
|
}
|
|
|
|
InsertTailList(pleTmp, &pgie->LinkBySameClientGroups);
|
|
}
|
|
|
|
|
|
InsertInIfGroupsList(pite, pgie);
|
|
|
|
|
|
RELEASE_IF_GROUP_LIST_LOCK(pite->IfIndex, "_GetGIFromGIList");
|
|
|
|
|
|
|
|
//
|
|
// if ras
|
|
//
|
|
pgie->NHAddr = (bRasClient)? dwInputSrcAddr : 0;
|
|
pgie->pRasTableEntry = (bRasClient)? prte : NULL;
|
|
|
|
|
|
//
|
|
// initialize GroupMembershipTimer
|
|
//
|
|
pgie->GroupMembershipTimer.Function = T_MembershipTimer;
|
|
pgie->GroupMembershipTimer.Timeout = pite->Config.GroupMembershipTimeout;
|
|
pgie->GroupMembershipTimer.Context = &pgie->GroupMembershipTimer.Context;
|
|
pgie->GroupMembershipTimer.Status = TIMER_STATUS_CREATED;
|
|
|
|
|
|
//
|
|
// initialize LastMemQueryTimer timer
|
|
//
|
|
pgie->LastMemQueryCount = 0; //last member countdown inactive
|
|
pgie->LastMemQueryTimer.Function = T_LastMemQueryTimer;
|
|
pgie->LastMemQueryTimer.Context = &pgie->LastMemQueryTimer.Context;
|
|
pgie->LastMemQueryTimer.Status = TIMER_STATUS_CREATED;
|
|
|
|
|
|
//
|
|
// initialize the LastVer1ReportTimer
|
|
// the timeout value is set to GroupMembership timeout
|
|
|
|
pgie->LastVer1ReportTimer.Function = T_LastVer1ReportTimer;
|
|
pgie->LastVer1ReportTimer.Timeout
|
|
= pite->Config.GroupMembershipTimeout;
|
|
pgie->LastVer1ReportTimer.Context
|
|
= &pgie->LastVer1ReportTimer.Context;
|
|
pgie->LastVer1ReportTimer.Status = TIMER_STATUS_CREATED;
|
|
|
|
|
|
pgie->LastVer2ReportTimer.Function = T_LastVer2ReportTimer;
|
|
pgie->LastVer2ReportTimer.Timeout
|
|
= pite->Config.GroupMembershipTimeout;
|
|
pgie->LastVer2ReportTimer.Context
|
|
= &pgie->LastVer2ReportTimer.Context;
|
|
pgie->LastVer2ReportTimer.Status = TIMER_STATUS_CREATED;
|
|
|
|
|
|
|
|
// set version based on current interface version
|
|
pgie->Version = (IS_IF_VER1(pite)) ? 1 : ((IS_IF_VER2(pite))?2:3);
|
|
|
|
|
|
//
|
|
// initialize GI_INFO
|
|
//
|
|
ZeroMemory(&pgie->Info, sizeof(GI_INFO));
|
|
pgie->Info.GroupUpTime = llCurrentTime;
|
|
if (!bStaticGroup) {
|
|
pgie->Info.GroupExpiryTime = llCurrentTime
|
|
+ CONFIG_TO_SYSTEM_TIME(pite->Config.GroupMembershipTimeout);
|
|
}
|
|
pgie->Info.V1HostPresentTimeLeft = 0;
|
|
pgie->Info.V2HostPresentTimeLeft = 0;
|
|
pgie->Info.LastReporter = dwInputSrcAddr;
|
|
|
|
|
|
//
|
|
// v3 fields
|
|
//
|
|
pgie->V3InclusionList = (PLIST_ENTRY)
|
|
IGMP_ALLOC(sizeof(LIST_ENTRY)*SOURCES_BUCKET_SZ,
|
|
0x800020, pite->IfIndex);
|
|
PROCESS_ALLOC_FAILURE2(pgie->V3InclusionList,
|
|
"Error %d allocating sources table:%d bytes", Error,
|
|
sizeof(LIST_ENTRY)*SOURCES_BUCKET_SZ,
|
|
GOTO_END_BLOCK1);
|
|
for (i=0; i<SOURCES_BUCKET_SZ; i++)
|
|
InitializeListHead(&pgie->V3InclusionList[i]);
|
|
|
|
InitializeListHead(&pgie->V3InclusionListSorted);
|
|
pgie->NumSources = 0;
|
|
pgie->FilterType = INCLUSION;
|
|
InitializeListHead(&pgie->V3ExclusionList);
|
|
InitializeListHead(&pgie->V3SourcesQueryList);
|
|
pgie->V3SourcesQueryCount = 0;
|
|
|
|
// V3SourcesQueryTimer
|
|
pgie->V3SourcesQueryTimer.Function = T_V3SourcesQueryTimer;
|
|
pgie->V3SourcesQueryTimer.Context =
|
|
&pgie->V3SourcesQueryTimer.Context;
|
|
pgie->V3SourcesQueryTimer.Status = TIMER_STATUS_CREATED;
|
|
|
|
|
|
|
|
// set static group flag
|
|
|
|
pgie->bStaticGroup = bStaticGroup;
|
|
|
|
|
|
|
|
//
|
|
// increment the count of number of If's for that group
|
|
// I increment once for each virtual interface
|
|
//
|
|
InterlockedIncrement(&pge->NumVifs);
|
|
|
|
if (!bRasClient||(bRasClient&bRasNewGroup) ) {
|
|
InterlockedIncrement(&pite->Info.CurrentGroupMemberships);
|
|
InterlockedIncrement(&pite->Info.GroupMembershipsAdded);
|
|
}
|
|
//
|
|
// update stats for ras client
|
|
//
|
|
if ((bRasClient) && (g_Config.RasClientStats) ) {
|
|
InterlockedIncrement(&prte->Info.CurrentGroupMemberships);
|
|
InterlockedIncrement(&prte->Info.GroupMembershipsAdded);
|
|
}
|
|
|
|
//
|
|
// Join the group to MGM
|
|
//
|
|
|
|
// call mgm to join the group only if the interface is
|
|
// activated, enabled by mgm, either mprotocol exists or else
|
|
// igmprtr is a querier on this interface
|
|
|
|
if (CAN_ADD_GROUPS_TO_MGM(pite)
|
|
&& (pgie->bStaticGroup||!IS_IF_VER3(pite)) )
|
|
{
|
|
MGM_ADD_GROUP_MEMBERSHIP_ENTRY(pite, NHAddr, 0, 0,
|
|
pge->Group, 0xffffffff, MGM_JOIN_STATE_FLAG);
|
|
}
|
|
|
|
//
|
|
// v3 no MGM calls, as I create an inclusion list with null members.
|
|
//
|
|
|
|
} // if GI entry not found
|
|
|
|
// GI entry found
|
|
else {
|
|
if (bStaticGroup)
|
|
pgie->bStaticGroup = TRUE;
|
|
|
|
bCreateLocal = FALSE;
|
|
}
|
|
|
|
} END_BREAKOUT_BLOCK1;
|
|
|
|
|
|
if (bCreate!=NULL)
|
|
*bCreate = bCreateLocal;
|
|
|
|
|
|
Trace0(LEAVE1, "Leaving _GetGIFromGIList()");
|
|
|
|
//Trace1(ENTER1, "GetGiFromGiList returned:%0x", (DWORD)pgie);//deldel
|
|
return pgie;
|
|
|
|
} //end _GetGIFromGIList
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _DebugPrintGIList
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
DebugPrintGIList (
|
|
PGROUP_TABLE_ENTRY pge,
|
|
LONGLONG llCurTime
|
|
)
|
|
{
|
|
PGI_ENTRY pgie;
|
|
PLIST_ENTRY pHead, ple;
|
|
|
|
|
|
|
|
pHead = &pge->ListOfGIs;
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pgie = CONTAINING_RECORD(ple, GI_ENTRY, LinkByGI);
|
|
|
|
if (pgie->Status&IF_DELETED_FLAG)
|
|
continue;
|
|
|
|
|
|
//
|
|
// GI info
|
|
//
|
|
Trace4(GROUP,
|
|
"---If(%0x: %d.%d.%d.%d) NHAddr(%d.%d.%d.%d) GroupMembershipTimer(%d sec)",
|
|
pgie->IfIndex, PRINT_IPADDR(pgie->pIfTableEntry->IpAddr),
|
|
PRINT_IPADDR(pgie->NHAddr),
|
|
(pgie->GroupMembershipTimer.Timeout-llCurTime)/1000
|
|
);
|
|
|
|
|
|
//
|
|
// if leave being processed
|
|
//
|
|
if (IS_TIMER_ACTIVE(pgie->LastMemQueryTimer)) {
|
|
Trace2(GROUP,
|
|
" *Leave received: LastMemQueryCount:%d LastMemQueryTimeLeft(%d ms)",
|
|
pgie->LastMemQueryCount,
|
|
(DWORD) (pgie->LastMemQueryTimer.Timeout-llCurTime)
|
|
);
|
|
}
|
|
}
|
|
|
|
Trace0(GROUP, "");
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// DebugPrintGroups
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
APIENTRY
|
|
DebugPrintGroups (
|
|
DWORD Flags
|
|
)
|
|
{
|
|
|
|
DWORD Group, i, j, k;
|
|
DWORD IfIndex;
|
|
PLIST_ENTRY pHead, ple;
|
|
DWORD Count;
|
|
PGROUP_TABLE_ENTRY pge; //group table entry
|
|
LONGLONG llCurTime = GetCurrentIgmpTime();
|
|
|
|
|
|
|
|
j = 1;
|
|
|
|
Trace0(GROUP, "");
|
|
for (i=0; i<GROUP_HASH_TABLE_SZ; i++) {
|
|
|
|
ACQUIRE_GROUP_LOCK(i, "_DebugPrintGroups");
|
|
|
|
pHead = &g_pGroupTable->HashTableByGroup[i].Link;
|
|
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pge = CONTAINING_RECORD(ple, GROUP_TABLE_ENTRY, HTLinkByGroup);
|
|
|
|
//
|
|
// print group info
|
|
//
|
|
Trace3(GROUP, "(%d) Group:%d.%d.%d.%d UpTime(%lu sec)",
|
|
j++, PRINT_IPADDR(pge->Group),
|
|
(llCurTime-pge->GroupUpTime)/1000);
|
|
|
|
|
|
// print GI list
|
|
DebugPrintGIList(pge, llCurTime);
|
|
|
|
}
|
|
|
|
RELEASE_GROUP_LOCK(i, "_DebugPrintGroups");
|
|
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
VOID
|
|
DebugPrintIfGroups(
|
|
PIF_TABLE_ENTRY pite,
|
|
DWORD flag
|
|
)
|
|
{
|
|
PGI_ENTRY pgiTmp;
|
|
PLIST_ENTRY pHead, ple;
|
|
BOOL bInsertInNew;
|
|
DWORD count=0;
|
|
PPROXY_GROUP_ENTRY proxyge;
|
|
|
|
ACQUIRE_IF_GROUP_LIST_LOCK(pite->IfIndex, "_DebugPrintIfGroups");
|
|
|
|
Trace0(ERR, "---------------DebugPrintIfGroups---------------------");
|
|
Trace1(ERR, "Ipaddr: %d.%d.%d.%d", PRINT_IPADDR(pite->IpAddr) );
|
|
Trace1(ERR, "CurrentGroupMemberships: %d",pite->Info.CurrentGroupMemberships);
|
|
|
|
pHead = &pite->ListOfSameIfGroups;
|
|
|
|
for (ple=pHead->Flink; ple!=pHead && count<300; ple=ple->Flink) {
|
|
|
|
if (!(flag&IGMP_IF_PROXY)) {
|
|
pgiTmp = CONTAINING_RECORD(ple, GI_ENTRY, LinkBySameIfGroups);
|
|
Trace5(SOURCES, "%d: main list: %x:%x:%x: %d.%d.%d.%d", ++count, (ULONG_PTR)ple,
|
|
(ULONG_PTR)ple->Flink, (ULONG_PTR)ple->Blink,
|
|
PRINT_IPADDR(pgiTmp->pGroupTableEntry->Group));
|
|
}
|
|
else {
|
|
proxyge = CONTAINING_RECORD(ple, PROXY_GROUP_ENTRY, LinkBySameIfGroups);
|
|
Trace5(SOURCES, "%d: proxyMailList: %x:%x:%x: %d.%d.%d.%d", ++count,
|
|
(ULONG_PTR)ple,
|
|
(ULONG_PTR)ple->Flink, (ULONG_PTR)ple->Blink,
|
|
PRINT_IPADDR(proxyge->Group));
|
|
}
|
|
|
|
}
|
|
|
|
|
|
pHead = &pite->ListOfSameIfGroupsNew;
|
|
Trace1(ERR, "NumGIEntriesInNewList:%d", pite->NumGIEntriesInNewList);
|
|
for (ple=pHead->Flink; ple!=pHead && count<300; ple=ple->Flink) {
|
|
|
|
if (!(flag&IGMP_IF_PROXY)) {
|
|
pgiTmp = CONTAINING_RECORD(ple, GI_ENTRY, LinkBySameIfGroups);
|
|
Trace5(ERR, "%d: NewList: %x:%x:%x: %d.%d.%d.%d", ++count, (ULONG_PTR)ple,
|
|
(ULONG_PTR)ple->Flink, (ULONG_PTR)ple->Blink,
|
|
PRINT_IPADDR(pgiTmp->pGroupTableEntry->Group));
|
|
}
|
|
else {
|
|
proxyge = CONTAINING_RECORD(ple, PROXY_GROUP_ENTRY, LinkBySameIfGroups);
|
|
Trace5(ERR, "%d: ProxyNewList: %x:%x:%x: %d.%d.%d.%d", ++count, (ULONG_PTR)ple,
|
|
(ULONG_PTR)ple->Flink, (ULONG_PTR)ple->Blink,
|
|
PRINT_IPADDR(proxyge->Group));
|
|
}
|
|
|
|
}
|
|
|
|
Trace0(ERR, "-------------------------------------------------------------");
|
|
RELEASE_IF_GROUP_LIST_LOCK(pite->IfIndex, "_DebugPrintIfGroups");
|
|
|
|
//ASSERT(count<300);//deldel
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DWORD
|
|
APIENTRY
|
|
DebugPrintLocks(
|
|
)
|
|
{
|
|
DWORD Group;
|
|
|
|
Trace0(KSL, "QUEUEING WORKER THREAD TO DEBUGPRINTLOCKS");
|
|
|
|
QueueIgmpWorker(DebugPrintLocks, NULL);
|
|
|
|
Trace0(KSL, "QUEUED WORKER THREAD TO DEBUGPRINTLOCKS");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
|
|
VOID
|
|
DebugPrintLists(
|
|
PLIST_ENTRY pHead
|
|
)
|
|
{ DWORD count=0;
|
|
|
|
PLIST_ENTRY ple;
|
|
for (ple=pHead->Flink; (ple!=pHead)&&(count<16); ple=ple->Flink,count++) {
|
|
Trace3(ERR, "ple:%lu ple->Flink:%lu: ple->Blink:%lu",
|
|
ple, ple->Flink, ple->Blink);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// _ForcePrintGroupsList
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
DebugForcePrintGroupsList (
|
|
DWORD Flags
|
|
)
|
|
{
|
|
BOOL bMain = FALSE;
|
|
CHAR str[2][5] = {"new", "main"};
|
|
LIST_ENTRY *ple, *pHead;
|
|
PGROUP_TABLE_ENTRY pge;
|
|
|
|
if (g_Info.CurrentGroupMemberships > 40 && !(Flags&ENSURE_EMPTY) )
|
|
return;
|
|
|
|
|
|
Trace0(ENTER1, "Entering _ForcePrintGroupsList()");
|
|
|
|
|
|
pHead = &g_pGroupTable->ListByGroupNew;
|
|
|
|
if (Flags&ENSURE_EMPTY) {
|
|
if (IsListEmpty(pHead))
|
|
return;// list empty as expected
|
|
|
|
DbgPrint("Cleanup: Group Lists should be empty\n");
|
|
IgmpDbgBreakPoint();
|
|
}
|
|
|
|
|
|
do {
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pge = CONTAINING_RECORD(ple, GROUP_TABLE_ENTRY, LinkByGroup);
|
|
|
|
|
|
Trace3(KSL, "%s-group list: <%d.%d.%d.%d> pge:%0x", str[bMain],
|
|
PRINT_IPADDR(pge->Group), (ULONG_PTR)pge);
|
|
|
|
|
|
if (!IS_MCAST_ADDR(pge->Group)) {
|
|
|
|
#if DBG
|
|
IgmpDbgBreakPoint();
|
|
#endif
|
|
Trace0(ERR, "===============================================================");
|
|
Trace2(ERR, "bad group(%d.%d.%d.%d)(pge:%0x) while checking main-group",
|
|
PRINT_IPADDR(pge->Group), (ULONG_PTR)pge);
|
|
Trace0(ERR, "===============================================================");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!bMain) {
|
|
pHead = &g_pGroupTable->ListByGroup.Link;
|
|
bMain = TRUE;
|
|
}
|
|
else
|
|
break;
|
|
} while (1);
|
|
|
|
Trace0(LEAVE1, "Leaving _ForcePrintGroupsList()");
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// DebugPrintGroupsList
|
|
//------------------------------------------------------------------------------
|
|
VOID
|
|
DebugPrintGroupsList (
|
|
DWORD Flags
|
|
)
|
|
{
|
|
BOOL bMain = FALSE;
|
|
CHAR str[2][5] = {"new", "main"};
|
|
LIST_ENTRY *ple, *pHead;
|
|
PGROUP_TABLE_ENTRY pge;
|
|
static DWORD StaticCount;
|
|
BOOL bPrint = FALSE;
|
|
|
|
|
|
if (StaticCount++==30) {
|
|
bPrint = TRUE;
|
|
StaticCount = 0;
|
|
}
|
|
|
|
|
|
if (g_Info.CurrentGroupMemberships > 40)
|
|
return;
|
|
|
|
pHead = &g_pGroupTable->ListByGroupNew;
|
|
|
|
do {
|
|
for (ple=pHead->Flink; ple!=pHead; ple=ple->Flink) {
|
|
|
|
pge = CONTAINING_RECORD(ple, GROUP_TABLE_ENTRY, LinkByGroup);
|
|
|
|
//if ((Flags)&&(bPrint))
|
|
if (0)
|
|
Trace3(KSL, "%s-group list: <%d.%d.%d.%d> pge:%0x", str[bMain],
|
|
PRINT_IPADDR(pge->Group), (ULONG_PTR)pge);
|
|
|
|
|
|
if (!IS_MCAST_ADDR(pge->Group)) {
|
|
|
|
if (!bPrint) {
|
|
DebugForcePrintGroupsList(1);
|
|
return;
|
|
}
|
|
|
|
#if DBG
|
|
IgmpDbgBreakPoint();
|
|
#endif
|
|
Trace0(ERR, "===============================================================");
|
|
Trace2(ERR, "bad group(%d.%d.%d.%d)(pge:%0x) while checking main-group",
|
|
PRINT_IPADDR(pge->Group), (ULONG_PTR)pge);
|
|
Trace0(ERR, "===============================================================");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!bMain) {
|
|
pHead = &g_pGroupTable->ListByGroup.Link;
|
|
bMain = TRUE;
|
|
}
|
|
else
|
|
break;
|
|
} while (1);
|
|
|
|
//Trace0(LEAVE1, "Leaving _PrintGroupsList()");
|
|
}
|
|
|
|
|