mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-06 12:15:15 +00:00
254 lines
8.3 KiB
C++
254 lines
8.3 KiB
C++
/*
|
|
*
|
|
* (C) 2013-26 - ntop.org
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
|
|
#include "ntop_includes.h"
|
|
|
|
/* ************************************ */
|
|
|
|
InterfaceStatsHash::InterfaceStatsHash(u_int _max_hash_size) {
|
|
if (trace_new_delete)
|
|
ntop->getTrace()->traceEvent(TRACE_NORMAL, "[new] %s", __FILE__);
|
|
|
|
max_hash_size = _max_hash_size;
|
|
buckets = (sFlowInterfaceStats**)calloc(sizeof(sFlowInterfaceStats*),
|
|
max_hash_size);
|
|
|
|
if (buckets == NULL) throw "Not enough memory";
|
|
}
|
|
|
|
/* ************************************ */
|
|
|
|
InterfaceStatsHash::~InterfaceStatsHash() {
|
|
for (u_int i = 0; i < max_hash_size; i++) {
|
|
if (buckets[i] != NULL) {
|
|
if (buckets[i]->ifName) free(buckets[i]->ifName);
|
|
|
|
if (buckets[i]->container_info_set) {
|
|
if (buckets[i]->container_info.id) free(buckets[i]->container_info.id);
|
|
if (buckets[i]->container_info.name)
|
|
free(buckets[i]->container_info.name);
|
|
|
|
if (buckets[i]->container_info.data_type ==
|
|
container_info_data_type_k8s) {
|
|
if (buckets[i]->container_info.data.k8s.pod)
|
|
free(buckets[i]->container_info.data.k8s.pod);
|
|
if (buckets[i]->container_info.data.k8s.ns)
|
|
free(buckets[i]->container_info.data.k8s.ns);
|
|
} else if (buckets[i]->container_info.data_type ==
|
|
container_info_data_type_docker)
|
|
;
|
|
}
|
|
|
|
free(buckets[i]);
|
|
}
|
|
}
|
|
|
|
free(buckets);
|
|
}
|
|
/* ************************************ */
|
|
|
|
bool InterfaceStatsHash::set(const sFlowInterfaceStats* const stats) {
|
|
sFlowInterfaceStats* head;
|
|
u_int32_t ifIndex = stats->ifIndex, deviceIP = stats->deviceIP;
|
|
const char* ifName = stats->ifName;
|
|
u_int32_t hash = (deviceIP + ifIndex + Utils::hashString(ifName)) %
|
|
max_hash_size,
|
|
num_runs = 0;
|
|
bool ret = true;
|
|
|
|
m.lock(__FILE__, __LINE__);
|
|
|
|
if (!buckets[hash]) goto new_bucket;
|
|
|
|
head = (sFlowInterfaceStats*)buckets[hash];
|
|
|
|
while (head != NULL) {
|
|
if (head->deviceIP == deviceIP && head->ifIndex == ifIndex &&
|
|
((!head->ifName && !ifName) ||
|
|
(head->ifName && ifName && strcmp(head->ifName, ifName) == 0))) {
|
|
break;
|
|
} else {
|
|
/* Inplace hash */
|
|
hash = (hash + 1) % max_hash_size, num_runs++;
|
|
|
|
if (num_runs >= max_hash_size) {
|
|
ntop->getTrace()->traceEvent(
|
|
TRACE_WARNING, "Internal error: too many loops=%u", max_hash_size);
|
|
ret = false;
|
|
goto unlock;
|
|
}
|
|
|
|
head = buckets[hash];
|
|
}
|
|
}
|
|
|
|
if (head) {
|
|
/* Update values */
|
|
head->ifType = stats->ifType, head->ifSpeed = stats->ifSpeed,
|
|
head->ifFullDuplex = stats->ifFullDuplex,
|
|
head->ifAdminStatus = stats->ifAdminStatus,
|
|
head->ifOperStatus = stats->ifOperStatus,
|
|
head->ifPromiscuousMode = stats->ifPromiscuousMode;
|
|
|
|
if (stats->samplesGenerated > 0 &&
|
|
stats->samplesGenerated == head->samplesGenerated) {
|
|
/*
|
|
This is an update as `samplesGenerated`.
|
|
Ubiquiti routers when generating sFlow send two counters samples in two
|
|
different packets with the same value for `samplesGenerated`. The first
|
|
counter sample has data for the IN direction and the second counter
|
|
sample has data for the OUT direction. In this case, we need to check
|
|
and update values rather than overwriting them.
|
|
*/
|
|
head->ifInOctets += stats->ifInOctets,
|
|
head->ifInPackets += stats->ifInPackets,
|
|
head->ifInErrors += stats->ifInErrors,
|
|
head->ifOutOctets += stats->ifOutOctets,
|
|
head->ifOutPackets += stats->ifOutPackets,
|
|
head->ifOutErrors += stats->ifOutErrors;
|
|
} else {
|
|
head->ifInOctets = stats->ifInOctets,
|
|
head->ifInPackets = stats->ifInPackets,
|
|
head->ifInErrors = stats->ifInErrors,
|
|
head->ifOutOctets = stats->ifOutOctets,
|
|
head->ifOutPackets = stats->ifOutPackets,
|
|
head->ifOutErrors = stats->ifOutErrors;
|
|
}
|
|
|
|
head->samplesGenerated = stats->samplesGenerated;
|
|
} else {
|
|
new_bucket:
|
|
buckets[hash] = (sFlowInterfaceStats*)malloc(sizeof(sFlowInterfaceStats));
|
|
|
|
if (!buckets[hash]) {
|
|
ret = false;
|
|
goto unlock;
|
|
}
|
|
|
|
memcpy(buckets[hash], stats, sizeof(sFlowInterfaceStats));
|
|
|
|
if (buckets[hash]->ifName)
|
|
buckets[hash]->ifName = strdup(buckets[hash]->ifName);
|
|
|
|
if (buckets[hash]->container_info_set) {
|
|
if (buckets[hash]->container_info.id)
|
|
buckets[hash]->container_info.id =
|
|
strdup(buckets[hash]->container_info.id);
|
|
if (buckets[hash]->container_info.name)
|
|
buckets[hash]->container_info.name =
|
|
strdup(buckets[hash]->container_info.name);
|
|
|
|
if (buckets[hash]->container_info.data_type ==
|
|
container_info_data_type_k8s) {
|
|
if (buckets[hash]->container_info.data.k8s.pod)
|
|
buckets[hash]->container_info.data.k8s.pod =
|
|
strdup(buckets[hash]->container_info.data.k8s.pod);
|
|
if (buckets[hash]->container_info.data.k8s.ns)
|
|
buckets[hash]->container_info.data.k8s.ns =
|
|
strdup(buckets[hash]->container_info.data.k8s.ns);
|
|
} else if (buckets[hash]->container_info.data_type ==
|
|
container_info_data_type_docker) {
|
|
}
|
|
}
|
|
}
|
|
|
|
unlock:
|
|
m.unlock(__FILE__, __LINE__);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/* ************************************ */
|
|
|
|
void InterfaceStatsHash::luaDeviceList(lua_State* vm) {
|
|
std::set<u_int32_t>
|
|
flowDevices; /* Set size automatically limited by max_hash_size */
|
|
std::set<u_int32_t>::const_iterator it;
|
|
|
|
lua_newtable(vm);
|
|
|
|
m.lock(__FILE__, __LINE__);
|
|
|
|
for (u_int i = 0; i < max_hash_size; i++) {
|
|
sFlowInterfaceStats* head = (sFlowInterfaceStats*)buckets[i];
|
|
|
|
if (head) {
|
|
bool found = false;
|
|
|
|
if (flowDevices.find(head->deviceIP) != flowDevices.end()) found = true;
|
|
|
|
if (!found) {
|
|
char a[64];
|
|
|
|
flowDevices.insert(head->deviceIP);
|
|
|
|
lua_push_uint64_table_entry(
|
|
vm, Utils::intoaV4(head->deviceIP, a, sizeof(a)), head->deviceIP);
|
|
}
|
|
}
|
|
}
|
|
|
|
m.unlock(__FILE__, __LINE__);
|
|
}
|
|
|
|
/* ************************************ */
|
|
|
|
void InterfaceStatsHash::luaDeviceInfo(lua_State* vm, u_int32_t deviceIP) {
|
|
lua_newtable(vm);
|
|
|
|
m.lock(__FILE__, __LINE__);
|
|
|
|
for (u_int i = 0; i < max_hash_size; i++) {
|
|
sFlowInterfaceStats* head = (sFlowInterfaceStats*)buckets[i];
|
|
|
|
if (head && (head->deviceIP == deviceIP)) {
|
|
lua_newtable(vm);
|
|
|
|
lua_push_uint64_table_entry(vm, "ifType", head->ifType);
|
|
if (head->ifName) lua_push_str_table_entry(vm, "ifName", head->ifName);
|
|
if (head->container_info_set) {
|
|
Utils::containerInfoLua(vm, &head->container_info);
|
|
|
|
lua_pushstring(vm, "container");
|
|
lua_insert(vm, -2);
|
|
lua_settable(vm, -3);
|
|
}
|
|
lua_push_uint64_table_entry(vm, "ifSpeed", head->ifSpeed);
|
|
lua_push_bool_table_entry(vm, "ifFullDuplex", head->ifFullDuplex);
|
|
lua_push_bool_table_entry(vm, "ifAdminStatus", head->ifAdminStatus);
|
|
lua_push_bool_table_entry(vm, "ifOperStatus", head->ifOperStatus);
|
|
lua_push_bool_table_entry(vm, "ifPromiscuousMode",
|
|
head->ifPromiscuousMode);
|
|
lua_push_uint64_table_entry(vm, "ifInOctets", head->ifInOctets);
|
|
lua_push_uint64_table_entry(vm, "ifInPackets", head->ifInPackets);
|
|
lua_push_uint64_table_entry(vm, "ifInErrors", head->ifInErrors);
|
|
lua_push_uint64_table_entry(vm, "ifOutOctets", head->ifOutOctets);
|
|
lua_push_uint64_table_entry(vm, "ifOutPackets", head->ifOutPackets);
|
|
lua_push_uint64_table_entry(vm, "ifOutErrors", head->ifOutErrors);
|
|
|
|
lua_pushinteger(vm, head->ifIndex);
|
|
lua_insert(vm, -2);
|
|
lua_settable(vm, -3);
|
|
}
|
|
}
|
|
|
|
m.unlock(__FILE__, __LINE__);
|
|
}
|