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nwfilter: remove virConnectPtr from internal API calls

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Remove the virConnectPtr from the nwfilter's internal API calls as
far as possible.
This commit is contained in:
Stefan Berger 2011-11-23 14:13:03 -05:00 committed by Stefan Berger
parent c4b32641f1
commit dc62c22532
5 changed files with 45 additions and 91 deletions
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18
src/conf/nwfilter_conf.h
View File

@ -592,27 +592,22 @@ typedef void (*virNWFilterTechDrvShutdown)(void);
enum virDomainNetType; enum virDomainNetType;
typedef int (*virNWFilterRuleCreateInstance)(virConnectPtr conn, typedef int (*virNWFilterRuleCreateInstance)(enum virDomainNetType nettype,
enum virDomainNetType nettype,
virNWFilterDefPtr filter, virNWFilterDefPtr filter,
virNWFilterRuleDefPtr rule, virNWFilterRuleDefPtr rule,
const char *ifname, const char *ifname,
virNWFilterHashTablePtr vars, virNWFilterHashTablePtr vars,
virNWFilterRuleInstPtr res); virNWFilterRuleInstPtr res);
typedef int (*virNWFilterRuleApplyNewRules)(virConnectPtr conn, typedef int (*virNWFilterRuleApplyNewRules)(const char *ifname,
const char *ifname,
int nruleInstances, int nruleInstances,
void **_inst); void **_inst);
typedef int (*virNWFilterRuleTeardownNewRules)(virConnectPtr conn, typedef int (*virNWFilterRuleTeardownNewRules)(const char *ifname);
const char *ifname);
typedef int (*virNWFilterRuleTeardownOldRules)(virConnectPtr conn, typedef int (*virNWFilterRuleTeardownOldRules)(const char *ifname);
const char *ifname);
typedef int (*virNWFilterRuleRemoveRules)(virConnectPtr conn, typedef int (*virNWFilterRuleRemoveRules)(const char *ifname,
const char *ifname,
int nruleInstances, int nruleInstances,
void **_inst); void **_inst);
@ -620,8 +615,7 @@ typedef int (*virNWFilterRuleAllTeardown)(const char *ifname);
typedef int (*virNWFilterRuleFreeInstanceData)(void * _inst); typedef int (*virNWFilterRuleFreeInstanceData)(void * _inst);
typedef int (*virNWFilterRuleDisplayInstanceData)(virConnectPtr conn, typedef int (*virNWFilterRuleDisplayInstanceData)(void *_inst);
void *_inst);
typedef int (*virNWFilterCanApplyBasicRules)(void); typedef int (*virNWFilterCanApplyBasicRules)(void);

34
src/nwfilter/nwfilter_ebiptables_driver.c
View File

@ -1188,8 +1188,7 @@ iptablesEnforceDirection(int directionIn,
* Convert a single rule into its representation for later instantiation * Convert a single rule into its representation for later instantiation
* *
* Returns 0 in case of success with the result stored in the data structure * Returns 0 in case of success with the result stored in the data structure
* pointed to by res, != 0 otherwise with the error message stored in the * pointed to by res, != 0 otherwise.
* virConnect object.
*/ */
static int static int
_iptablesCreateRuleInstance(int directionIn, _iptablesCreateRuleInstance(int directionIn,
@ -1917,8 +1916,7 @@ iptablesCreateRuleInstance(virNWFilterDefPtr nwfilter,
* Convert a single rule into its representation for later instantiation * Convert a single rule into its representation for later instantiation
* *
* Returns 0 in case of success with the result stored in the data structure * Returns 0 in case of success with the result stored in the data structure
* pointed to by res, != 0 otherwise with the error message stored in the * pointed to by res, != 0 otherwise.
* virConnect object.
*/ */
static int static int
ebtablesCreateRuleInstance(char chainPrefix, ebtablesCreateRuleInstance(char chainPrefix,
@ -2503,7 +2501,6 @@ err_exit:
/* /*
* ebiptablesCreateRuleInstance: * ebiptablesCreateRuleInstance:
* @conn : Pointer to a virConnect object
* @nwfilter : The filter * @nwfilter : The filter
* @rule: The rule of the filter to convert * @rule: The rule of the filter to convert
* @ifname : The name of the interface to apply the rule to * @ifname : The name of the interface to apply the rule to
@ -2513,12 +2510,10 @@ err_exit:
* Convert a single rule into its representation for later instantiation * Convert a single rule into its representation for later instantiation
* *
* Returns 0 in case of success with the result stored in the data structure * Returns 0 in case of success with the result stored in the data structure
* pointed to by res, != 0 otherwise with the error message stored in the * pointed to by res, != 0 otherwise.
* virConnect object.
*/ */
static int static int
ebiptablesCreateRuleInstance(virConnectPtr conn ATTRIBUTE_UNUSED, ebiptablesCreateRuleInstance(enum virDomainNetType nettype ATTRIBUTE_UNUSED,
enum virDomainNetType nettype ATTRIBUTE_UNUSED,
virNWFilterDefPtr nwfilter, virNWFilterDefPtr nwfilter,
virNWFilterRuleDefPtr rule, virNWFilterRuleDefPtr rule,
const char *ifname, const char *ifname,
@ -2610,7 +2605,6 @@ ebiptablesCreateRuleInstance(virConnectPtr conn ATTRIBUTE_UNUSED,
static int static int
ebiptablesCreateRuleInstanceIterate( ebiptablesCreateRuleInstanceIterate(
virConnectPtr conn ATTRIBUTE_UNUSED,
enum virDomainNetType nettype ATTRIBUTE_UNUSED, enum virDomainNetType nettype ATTRIBUTE_UNUSED,
virNWFilterDefPtr nwfilter, virNWFilterDefPtr nwfilter,
virNWFilterRuleDefPtr rule, virNWFilterRuleDefPtr rule,
@ -2630,8 +2624,7 @@ ebiptablesCreateRuleInstanceIterate(
return 1; return 1;
do { do {
rc = ebiptablesCreateRuleInstance(conn, rc = ebiptablesCreateRuleInstance(nettype,
nettype,
nwfilter, nwfilter,
rule, rule,
ifname, ifname,
@ -2656,8 +2649,7 @@ ebiptablesFreeRuleInstance(void *_inst)
static int static int
ebiptablesDisplayRuleInstance(virConnectPtr conn ATTRIBUTE_UNUSED, ebiptablesDisplayRuleInstance(void *_inst)
void *_inst)
{ {
ebiptablesRuleInstPtr inst = (ebiptablesRuleInstPtr)_inst; ebiptablesRuleInstPtr inst = (ebiptablesRuleInstPtr)_inst;
VIR_INFO("Command Template: '%s', Needed protocol: '%s'", VIR_INFO("Command Template: '%s', Needed protocol: '%s'",
@ -3096,7 +3088,6 @@ ebiptablesCanApplyBasicRules(void) {
/** /**
* ebtablesApplyBasicRules * ebtablesApplyBasicRules
* *
* @conn: virConnect object
* @ifname: name of the backend-interface to which to apply the rules * @ifname: name of the backend-interface to which to apply the rules
* @macaddr: MAC address the VM is using in packets sent through the * @macaddr: MAC address the VM is using in packets sent through the
* interface * interface
@ -3552,8 +3543,7 @@ ebtablesCreateTmpRootAndSubChains(virBufferPtr buf,
} }
static int static int
ebiptablesApplyNewRules(virConnectPtr conn ATTRIBUTE_UNUSED, ebiptablesApplyNewRules(const char *ifname,
const char *ifname,
int nruleInstances, int nruleInstances,
void **_inst) void **_inst)
{ {
@ -3824,8 +3814,7 @@ exit_free_sets:
static int static int
ebiptablesTearNewRules(virConnectPtr conn ATTRIBUTE_UNUSED, ebiptablesTearNewRules(const char *ifname)
const char *ifname)
{ {
int cli_status; int cli_status;
virBuffer buf = VIR_BUFFER_INITIALIZER; virBuffer buf = VIR_BUFFER_INITIALIZER;
@ -3862,8 +3851,7 @@ ebiptablesTearNewRules(virConnectPtr conn ATTRIBUTE_UNUSED,
static int static int
ebiptablesTearOldRules(virConnectPtr conn ATTRIBUTE_UNUSED, ebiptablesTearOldRules(const char *ifname)
const char *ifname)
{ {
int cli_status; int cli_status;
virBuffer buf = VIR_BUFFER_INITIALIZER; virBuffer buf = VIR_BUFFER_INITIALIZER;
@ -3911,7 +3899,6 @@ ebiptablesTearOldRules(virConnectPtr conn ATTRIBUTE_UNUSED,
/** /**
* ebiptablesRemoveRules: * ebiptablesRemoveRules:
* @conn : pointer to virConnect object
* @ifname : the name of the interface to which the rules apply * @ifname : the name of the interface to which the rules apply
* @nRuleInstance : the number of given rules * @nRuleInstance : the number of given rules
* @_inst : array of rule instantiation data * @_inst : array of rule instantiation data
@ -3922,8 +3909,7 @@ ebiptablesTearOldRules(virConnectPtr conn ATTRIBUTE_UNUSED,
* commands failed. * commands failed.
*/ */
static int static int
ebiptablesRemoveRules(virConnectPtr conn ATTRIBUTE_UNUSED, ebiptablesRemoveRules(const char *ifname ATTRIBUTE_UNUSED,
const char *ifname ATTRIBUTE_UNUSED,
int nruleInstances, int nruleInstances,
void **_inst) void **_inst)
{ {

72
src/nwfilter/nwfilter_gentech_driver.c
View File

@ -98,8 +98,7 @@ virNWFilterTechDriverForName(const char *name) {
* for bidirectional traffic and data needs to be added to the incoming * for bidirectional traffic and data needs to be added to the incoming
* and outgoing chains. * and outgoing chains.
* *
* Returns 0 in case of success, 1 in case of an error with the error * Returns 0 in case of success, 1 in case of an error.
* message attached to the virConnect object.
*/ */
int int
virNWFilterRuleInstAddData(virNWFilterRuleInstPtr res, virNWFilterRuleInstAddData(virNWFilterRuleInstPtr res,
@ -190,8 +189,7 @@ virNWFilterVarHashmapAddStdValues(virNWFilterHashTablePtr table,
* Create a hashmap used for evaluating the firewall rules. Initializes * Create a hashmap used for evaluating the firewall rules. Initializes
* it with the standard variable 'MAC' and 'IP' if provided. * it with the standard variable 'MAC' and 'IP' if provided.
* *
* Returns pointer to hashmap, NULL if an error occcurred and error message * Returns pointer to hashmap, NULL if an error occcurred.
* is attached to the virConnect object.
*/ */
virNWFilterHashTablePtr virNWFilterHashTablePtr
virNWFilterCreateVarHashmap(char *macaddr, virNWFilterCreateVarHashmap(char *macaddr,
@ -274,7 +272,6 @@ virNWFilterPrintVars(virHashTablePtr vars,
/** /**
* virNWFilterRuleInstantiate: * virNWFilterRuleInstantiate:
* @conn: pointer to virConnect object
* @techdriver: the driver to use for instantiation * @techdriver: the driver to use for instantiation
* @filter: The filter the rule is part of * @filter: The filter the rule is part of
* @rule : The rule that is to be instantiated * @rule : The rule that is to be instantiated
@ -289,8 +286,7 @@ virNWFilterPrintVars(virHashTablePtr vars,
* from the instantiation. Returns NULL on error with error reported. * from the instantiation. Returns NULL on error with error reported.
*/ */
static virNWFilterRuleInstPtr static virNWFilterRuleInstPtr
virNWFilterRuleInstantiate(virConnectPtr conn, virNWFilterRuleInstantiate(virNWFilterTechDriverPtr techdriver,
virNWFilterTechDriverPtr techdriver,
enum virDomainNetType nettype, enum virDomainNetType nettype,
virNWFilterDefPtr filter, virNWFilterDefPtr filter,
virNWFilterRuleDefPtr rule, virNWFilterRuleDefPtr rule,
@ -308,7 +304,7 @@ virNWFilterRuleInstantiate(virConnectPtr conn,
ret->techdriver = techdriver; ret->techdriver = techdriver;
rc = techdriver->createRuleInstance(conn, nettype, filter, rc = techdriver->createRuleInstance(nettype, filter,
rule, ifname, vars, ret); rule, ifname, vars, ret);
if (rc) { if (rc) {
@ -359,7 +355,6 @@ err_exit:
/** /**
* _virNWFilterInstantiateRec: * _virNWFilterInstantiateRec:
* @conn: pointer to virConnect object
* @techdriver: The driver to use for instantiation * @techdriver: The driver to use for instantiation
* @filter: The filter to instantiate * @filter: The filter to instantiate
* @ifname: The name of the interface to apply the rules to * @ifname: The name of the interface to apply the rules to
@ -382,8 +377,7 @@ err_exit:
* resolved -- among other reasons. * resolved -- among other reasons.
*/ */
static int static int
_virNWFilterInstantiateRec(virConnectPtr conn, _virNWFilterInstantiateRec(virNWFilterTechDriverPtr techdriver,
virNWFilterTechDriverPtr techdriver,
enum virDomainNetType nettype, enum virDomainNetType nettype,
virNWFilterDefPtr filter, virNWFilterDefPtr filter,
const char *ifname, const char *ifname,
@ -403,8 +397,7 @@ _virNWFilterInstantiateRec(virConnectPtr conn,
virNWFilterRuleDefPtr rule = filter->filterEntries[i]->rule; virNWFilterRuleDefPtr rule = filter->filterEntries[i]->rule;
virNWFilterIncludeDefPtr inc = filter->filterEntries[i]->include; virNWFilterIncludeDefPtr inc = filter->filterEntries[i]->include;
if (rule) { if (rule) {
inst = virNWFilterRuleInstantiate(conn, inst = virNWFilterRuleInstantiate(techdriver,
techdriver,
nettype, nettype,
filter, filter,
rule, rule,
@ -461,8 +454,7 @@ _virNWFilterInstantiateRec(virConnectPtr conn,
break; break;
} }
rc = _virNWFilterInstantiateRec(conn, rc = _virNWFilterInstantiateRec(techdriver,
techdriver,
nettype, nettype,
next_filter, next_filter,
ifname, ifname,
@ -491,8 +483,7 @@ _virNWFilterInstantiateRec(virConnectPtr conn,
static int static int
virNWFilterDetermineMissingVarsRec(virConnectPtr conn, virNWFilterDetermineMissingVarsRec(virNWFilterDefPtr filter,
virNWFilterDefPtr filter,
virNWFilterHashTablePtr vars, virNWFilterHashTablePtr vars,
virNWFilterHashTablePtr missing_vars, virNWFilterHashTablePtr missing_vars,
int useNewFilter, int useNewFilter,
@ -559,8 +550,7 @@ virNWFilterDetermineMissingVarsRec(virConnectPtr conn,
break; break;
} }
rc = virNWFilterDetermineMissingVarsRec(conn, rc = virNWFilterDetermineMissingVarsRec(next_filter,
next_filter,
tmpvars, tmpvars,
missing_vars, missing_vars,
useNewFilter, useNewFilter,
@ -617,7 +607,6 @@ virNWFilterRuleInstancesToArray(int nEntries,
/** /**
* virNWFilterInstantiate: * virNWFilterInstantiate:
* @conn: pointer to virConnect object
* @techdriver: The driver to use for instantiation * @techdriver: The driver to use for instantiation
* @filter: The filter to instantiate * @filter: The filter to instantiate
* @ifname: The name of the interface to apply the rules to * @ifname: The name of the interface to apply the rules to
@ -636,8 +625,7 @@ virNWFilterRuleInstancesToArray(int nEntries,
* Call this function while holding the NWFilter filter update lock * Call this function while holding the NWFilter filter update lock
*/ */
static int static int
virNWFilterInstantiate(virConnectPtr conn, virNWFilterInstantiate(virNWFilterTechDriverPtr techdriver,
virNWFilterTechDriverPtr techdriver,
enum virDomainNetType nettype, enum virDomainNetType nettype,
virNWFilterDefPtr filter, virNWFilterDefPtr filter,
const char *ifname, const char *ifname,
@ -665,8 +653,7 @@ virNWFilterInstantiate(virConnectPtr conn,
goto err_exit; goto err_exit;
} }
rc = virNWFilterDetermineMissingVarsRec(conn, rc = virNWFilterDetermineMissingVarsRec(filter,
filter,
vars, vars,
missing_vars, missing_vars,
useNewFilter, useNewFilter,
@ -697,8 +684,7 @@ virNWFilterInstantiate(virConnectPtr conn,
goto err_exit; goto err_exit;
} }
rc = _virNWFilterInstantiateRec(conn, rc = _virNWFilterInstantiateRec(techdriver,
techdriver,
nettype, nettype,
filter, filter,
ifname, ifname,
@ -729,10 +715,10 @@ virNWFilterInstantiate(virConnectPtr conn,
if (virNWFilterLockIface(ifname)) if (virNWFilterLockIface(ifname))
goto err_exit; goto err_exit;
rc = techdriver->applyNewRules(conn, ifname, nptrs, ptrs); rc = techdriver->applyNewRules(ifname, nptrs, ptrs);
if (teardownOld && rc == 0) if (teardownOld && rc == 0)
techdriver->tearOldRules(conn, ifname); techdriver->tearOldRules(ifname);
if (rc == 0 && (virNetDevValidateConfig(ifname, NULL, ifindex) <= 0)) { if (rc == 0 && (virNetDevValidateConfig(ifname, NULL, ifindex) <= 0)) {
virResetLastError(); virResetLastError();
@ -775,8 +761,7 @@ err_unresolvable_vars:
* Call this function while holding the NWFilter filter update lock * Call this function while holding the NWFilter filter update lock
*/ */
static int static int
__virNWFilterInstantiateFilter(virConnectPtr conn, __virNWFilterInstantiateFilter(bool teardownOld,
bool teardownOld,
const char *ifname, const char *ifname,
int ifindex, int ifindex,
const char *linkdev, const char *linkdev,
@ -868,8 +853,7 @@ __virNWFilterInstantiateFilter(virConnectPtr conn,
break; break;
} }
rc = virNWFilterInstantiate(conn, rc = virNWFilterInstantiate(techdriver,
techdriver,
nettype, nettype,
filter, filter,
ifname, ifname,
@ -924,8 +908,7 @@ _virNWFilterInstantiateFilter(virConnectPtr conn,
goto cleanup; goto cleanup;
} }
rc = __virNWFilterInstantiateFilter(conn, rc = __virNWFilterInstantiateFilter(teardownOld,
teardownOld,
net->ifname, net->ifname,
ifindex, ifindex,
linkdev, linkdev,
@ -946,8 +929,7 @@ cleanup:
int int
virNWFilterInstantiateFilterLate(virConnectPtr conn, virNWFilterInstantiateFilterLate(const char *ifname,
const char *ifname,
int ifindex, int ifindex,
const char *linkdev, const char *linkdev,
enum virDomainNetType nettype, enum virDomainNetType nettype,
@ -961,8 +943,7 @@ virNWFilterInstantiateFilterLate(virConnectPtr conn,
virNWFilterLockFilterUpdates(); virNWFilterLockFilterUpdates();
rc = __virNWFilterInstantiateFilter(conn, rc = __virNWFilterInstantiateFilter(true,
1,
ifname, ifname,
ifindex, ifindex,
linkdev, linkdev,
@ -1019,8 +1000,7 @@ virNWFilterUpdateInstantiateFilter(virConnectPtr conn,
return rc; return rc;
} }
int virNWFilterRollbackUpdateFilter(virConnectPtr conn, int virNWFilterRollbackUpdateFilter(const virDomainNetDefPtr net)
const virDomainNetDefPtr net)
{ {
const char *drvname = EBIPTABLES_DRIVER_ID; const char *drvname = EBIPTABLES_DRIVER_ID;
int ifindex; int ifindex;
@ -1041,13 +1021,12 @@ int virNWFilterRollbackUpdateFilter(virConnectPtr conn,
else if (virNWFilterLookupLearnReq(ifindex) != NULL) else if (virNWFilterLookupLearnReq(ifindex) != NULL)
return 0; return 0;
return techdriver->tearNewRules(conn, net->ifname); return techdriver->tearNewRules(net->ifname);
} }
int int
virNWFilterTearOldFilter(virConnectPtr conn, virNWFilterTearOldFilter(virDomainNetDefPtr net)
virDomainNetDefPtr net)
{ {
const char *drvname = EBIPTABLES_DRIVER_ID; const char *drvname = EBIPTABLES_DRIVER_ID;
int ifindex; int ifindex;
@ -1068,7 +1047,7 @@ virNWFilterTearOldFilter(virConnectPtr conn,
else if (virNWFilterLookupLearnReq(ifindex) != NULL) else if (virNWFilterLookupLearnReq(ifindex) != NULL)
return 0; return 0;
return techdriver->tearOldRules(conn, net->ifname); return techdriver->tearOldRules(net->ifname);
} }
@ -1141,14 +1120,13 @@ virNWFilterDomainFWUpdateCB(void *payload,
case STEP_TEAR_NEW: case STEP_TEAR_NEW:
if ( !virHashLookup(cb->skipInterfaces, net->ifname)) { if ( !virHashLookup(cb->skipInterfaces, net->ifname)) {
cb->err = virNWFilterRollbackUpdateFilter(cb->conn, cb->err = virNWFilterRollbackUpdateFilter(net);
net);
} }
break; break;
case STEP_TEAR_OLD: case STEP_TEAR_OLD:
if ( !virHashLookup(cb->skipInterfaces, net->ifname)) { if ( !virHashLookup(cb->skipInterfaces, net->ifname)) {
cb->err = virNWFilterTearOldFilter(cb->conn, net); cb->err = virNWFilterTearOldFilter(net);
} }
break; break;
} }

9
src/nwfilter/nwfilter_gentech_driver.h
View File

@ -42,14 +42,11 @@ int virNWFilterInstantiateFilter(virConnectPtr conn,
int virNWFilterUpdateInstantiateFilter(virConnectPtr conn, int virNWFilterUpdateInstantiateFilter(virConnectPtr conn,
const virDomainNetDefPtr net, const virDomainNetDefPtr net,
bool *skipIface); bool *skipIface);
int virNWFilterRollbackUpdateFilter(virConnectPtr conn, int virNWFilterRollbackUpdateFilter(const virDomainNetDefPtr net);
const virDomainNetDefPtr net);
int virNWFilterTearOldFilter(virConnectPtr conn, int virNWFilterTearOldFilter(const virDomainNetDefPtr net);
const virDomainNetDefPtr net);
int virNWFilterInstantiateFilterLate(virConnectPtr conn, int virNWFilterInstantiateFilterLate(const char *ifname,
const char *ifname,
int ifindex, int ifindex,
const char *linkdev, const char *linkdev,
enum virDomainNetType nettype, enum virDomainNetType nettype,

3
src/nwfilter/nwfilter_learnipaddr.c
View File

@ -707,8 +707,7 @@ learnIPAddressThread(void *arg)
"cache for interface %s"), inetaddr, req->ifname); "cache for interface %s"), inetaddr, req->ifname);
} }
ret = virNWFilterInstantiateFilterLate(NULL, ret = virNWFilterInstantiateFilterLate(req->ifname,
req->ifname,
req->ifindex, req->ifindex,
req->linkdev, req->linkdev,
req->nettype, req->nettype,