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Merge "Define enum class for NetlinkEvent actions."

This commit is contained in:
Jeff Sharkey 2015-03-13 20:47:47 +00:00 committed by Android (Google) Code Review
parent 72af28c28e e4f394087d
commit 707d4f2ee8
2 changed files with 31 additions and 39 deletions
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32
include/sysutils/NetlinkEvent.h
View File

@ -21,25 +21,29 @@
#define NL_PARAMS_MAX 32
class NetlinkEvent {
public:
enum class Action {
kUnknown = 0,
kAdd = 1,
kRemove = 2,
kChange = 3,
kLinkUp = 4,
kLinkDown = 5,
kAddressUpdated = 6,
kAddressRemoved = 7,
kRdnss = 8,
kRouteUpdated = 9,
kRouteRemoved = 10,
};
private:
int mSeq;
char *mPath;
int mAction;
Action mAction;
char *mSubsystem;
char *mParams[NL_PARAMS_MAX];
public:
const static int NlActionUnknown;
const static int NlActionAdd;
const static int NlActionRemove;
const static int NlActionChange;
const static int NlActionLinkDown;
const static int NlActionLinkUp;
const static int NlActionAddressUpdated;
const static int NlActionAddressRemoved;
const static int NlActionRdnss;
const static int NlActionRouteUpdated;
const static int NlActionRouteRemoved;
NetlinkEvent();
virtual ~NetlinkEvent();
@ -47,7 +51,7 @@ public:
const char *findParam(const char *paramName);
const char *getSubsystem() { return mSubsystem; }
int getAction() { return mAction; }
Action getAction() { return mAction; }
void dump();

38
libsysutils/src/NetlinkEvent.cpp
View File

@ -47,20 +47,8 @@ const int LOCAL_NFLOG_PACKET = NFNL_SUBSYS_ULOG << 8 | NFULNL_MSG_PACKET;
#include <netlink/handlers.h>
#include <netlink/msg.h>
const int NetlinkEvent::NlActionUnknown = 0;
const int NetlinkEvent::NlActionAdd = 1;
const int NetlinkEvent::NlActionRemove = 2;
const int NetlinkEvent::NlActionChange = 3;
const int NetlinkEvent::NlActionLinkUp = 4;
const int NetlinkEvent::NlActionLinkDown = 5;
const int NetlinkEvent::NlActionAddressUpdated = 6;
const int NetlinkEvent::NlActionAddressRemoved = 7;
const int NetlinkEvent::NlActionRdnss = 8;
const int NetlinkEvent::NlActionRouteUpdated = 9;
const int NetlinkEvent::NlActionRouteRemoved = 10;
NetlinkEvent::NetlinkEvent() {
mAction = NlActionUnknown;
mAction = Action::kUnknown;
memset(mParams, 0, sizeof(mParams));
mPath = NULL;
mSubsystem = NULL;
@ -154,8 +142,8 @@ bool NetlinkEvent::parseIfInfoMessage(const struct nlmsghdr *nh) {
switch(rta->rta_type) {
case IFLA_IFNAME:
asprintf(&mParams[0], "INTERFACE=%s", (char *) RTA_DATA(rta));
mAction = (ifi->ifi_flags & IFF_LOWER_UP) ? NlActionLinkUp :
NlActionLinkDown;
mAction = (ifi->ifi_flags & IFF_LOWER_UP) ? Action::kLinkUp :
Action::kLinkDown;
mSubsystem = strdup("net");
return true;
}
@ -244,8 +232,8 @@ bool NetlinkEvent::parseIfAddrMessage(const struct nlmsghdr *nh) {
}
// Fill in netlink event information.
mAction = (type == RTM_NEWADDR) ? NlActionAddressUpdated :
NlActionAddressRemoved;
mAction = (type == RTM_NEWADDR) ? Action::kAddressUpdated :
Action::kAddressRemoved;
mSubsystem = strdup("net");
asprintf(&mParams[0], "ADDRESS=%s/%d", addrstr,
ifaddr->ifa_prefixlen);
@ -276,7 +264,7 @@ bool NetlinkEvent::parseUlogPacketMessage(const struct nlmsghdr *nh) {
asprintf(&mParams[0], "ALERT_NAME=%s", pm->prefix);
asprintf(&mParams[1], "INTERFACE=%s", devname);
mSubsystem = strdup("qlog");
mAction = NlActionChange;
mAction = Action::kChange;
return true;
}
@ -311,7 +299,7 @@ bool NetlinkEvent::parseNfPacketMessage(struct nlmsghdr *nh) {
asprintf(&mParams[0], "UID=%d", uid);
mParams[1] = hex;
mSubsystem = strdup("strict");
mAction = NlActionChange;
mAction = Action::kChange;
return true;
}
@ -397,8 +385,8 @@ bool NetlinkEvent::parseRtMessage(const struct nlmsghdr *nh) {
return false;
// Fill in netlink event information.
mAction = (type == RTM_NEWROUTE) ? NlActionRouteUpdated :
NlActionRouteRemoved;
mAction = (type == RTM_NEWROUTE) ? Action::kRouteUpdated :
Action::kRouteRemoved;
mSubsystem = strdup("net");
asprintf(&mParams[0], "ROUTE=%s/%d", dst, prefixLength);
asprintf(&mParams[1], "GATEWAY=%s", (*gw) ? gw : "");
@ -497,7 +485,7 @@ bool NetlinkEvent::parseNdUserOptMessage(const struct nlmsghdr *nh) {
}
buf[pos] = '\0';
mAction = NlActionRdnss;
mAction = Action::kRdnss;
mSubsystem = strdup("net");
asprintf(&mParams[0], "INTERFACE=%s", ifname);
asprintf(&mParams[1], "LIFETIME=%u", lifetime);
@ -617,11 +605,11 @@ bool NetlinkEvent::parseAsciiNetlinkMessage(char *buffer, int size) {
const char* a;
if ((a = HAS_CONST_PREFIX(s, end, "ACTION=")) != NULL) {
if (!strcmp(a, "add"))
mAction = NlActionAdd;
mAction = Action::kAdd;
else if (!strcmp(a, "remove"))
mAction = NlActionRemove;
mAction = Action::kRemove;
else if (!strcmp(a, "change"))
mAction = NlActionChange;
mAction = Action::kChange;
} else if ((a = HAS_CONST_PREFIX(s, end, "SEQNUM=")) != NULL) {
mSeq = atoi(a);
} else if ((a = HAS_CONST_PREFIX(s, end, "SUBSYSTEM=")) != NULL) {