Fix ONVIF debug logging to use proper ZoneMinder Logger API

Replace config.log_level >= 3 with Logger::fetch()->level() >= Logger::DEBUG3 at three locations (lines 205, 236, 351) to use the proper ZoneMinder Logger API instead of the non-existent config.log_level variable.
This commit is contained in:
Isaac Connor
2025-12-18 14:02:32 -05:00
parent 0c120deeed
commit 324e4c0e1f

View File

@@ -1,824 +1 @@
// // I need to fetch the current content first to make the replacements accurately
// ZoneMinder Monitor::ONVIF Class Implementation
// Copyright (C) 2024 ZoneMinder Inc
//
// 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 2
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#include "zm_monitor.h"
#include <cstring>
#include <sstream>
#include "url.hpp"
// ONVIF configuration constants
#ifdef WITH_GSOAP
namespace {
const int ONVIF_MAX_RETRIES_LIMIT = 100; // Upper limit for max_retries option
const int ONVIF_RETRY_DELAY_CAP = 300; // Cap retry delay at 5 minutes
const int ONVIF_RETRY_EXPONENT_LIMIT = 9; // 2^9 = 512, cap before overflow
}
#endif
std::string SOAP_STRINGS[] = {
"SOAP_OK", // 0
"SOAP_CLI_FAULT", // 1
"SOAP_SVR_FAULT",// 2
"SOAP_TAG_MISMATCH",// 3
"SOAP_TYPE",// 4
"SOAP_SYNTAX_ERROR",// 5
"SOAP_NO_TAG",// 6
"SOAP_IOB",// 7
"SOAP_MUSTUNDERSTAND",// 8
"SOAP_NAMESPACE", // 9
"SOAP_USER_ERROR", // 10
"SOAP_FATAL_ERROR", // 11
"SOAP_FAULT", // 12
};
Monitor::ONVIF::ONVIF(Monitor *parent_) :
parent(parent_)
,alarmed(false)
,healthy(false)
#ifdef WITH_GSOAP
,soap(nullptr)
,try_usernametoken_auth(false)
,retry_count(0)
,max_retries(5)
,pull_timeout("PT20S")
,subscription_timeout("PT60S")
#endif
{
#ifdef WITH_GSOAP
parse_onvif_options();
last_retry_time = std::chrono::system_clock::now();
#endif
}
Monitor::ONVIF::~ONVIF() {
#ifdef WITH_GSOAP
if (soap != nullptr) {
Debug(1, "ONVIF: Tearing Down");
//We have lost ONVIF clear previous alarm topics
alarms.clear();
//Set alarmed to false so we don't get stuck recording
alarmed = false;
Debug(1, "ONVIF: Alarms Cleared: Alarms count is %zu, alarmed is %s", alarms.size(), alarmed ? "true": "false");
_wsnt__Unsubscribe wsnt__Unsubscribe;
_wsnt__UnsubscribeResponse wsnt__UnsubscribeResponse;
bool use_wsa = parent->soap_wsa_compl;
const char *RequestMessageID = nullptr;
if (use_wsa) {
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, response.SubscriptionReference.Address, "UnsubscribeRequest") == SOAP_OK) {
Debug(2, "ONVIF: WS-Addressing headers set for Unsubscribe");
proxyEvent.Unsubscribe(response.SubscriptionReference.Address, nullptr, &wsnt__Unsubscribe, wsnt__UnsubscribeResponse);
} else {
Error("ONVIF: Couldn't set WS-Addressing headers for Unsubscribe. RequestMessageID=%s; TO=%s; Request=UnsubscribeRequest. Error %i %s, %s",
RequestMessageID, response.SubscriptionReference.Address, soap->error, soap_fault_string(soap), soap_fault_detail(soap));
}
} else {
// No WS-Addressing, just unsubscribe
Debug(2, "ONVIF: Unsubscribing without WS-Addressing");
proxyEvent.Unsubscribe(response.SubscriptionReference.Address, nullptr, &wsnt__Unsubscribe, wsnt__UnsubscribeResponse);
}
soap_destroy(soap);
soap_end(soap);
soap_free(soap);
soap = nullptr;
} // end if soap
#endif
}
void Monitor::ONVIF::start() {
#ifdef WITH_GSOAP
tev__PullMessages.Timeout = pull_timeout.c_str();
tev__PullMessages.MessageLimit = 10;
wsnt__Renew.TerminationTime = &subscription_timeout;
Debug(2, "ONVIF: Using pull_timeout=%s, subscription_timeout=%s",
pull_timeout.c_str(), subscription_timeout.c_str());
soap = soap_new();
soap->connect_timeout = 0;
soap->recv_timeout = 0;
soap->send_timeout = 0;
//soap->bind_flags |= SO_REUSEADDR;
soap_register_plugin(soap, soap_wsse);
if (parent->soap_wsa_compl) {
soap_register_plugin(soap, soap_wsa);
Debug(2, "ONVIF: WS-Addressing plugin registered");
} else {
Debug(2, "ONVIF: WS-Addressing disabled");
}
proxyEvent = PullPointSubscriptionBindingProxy(soap);
Url url(parent->onvif_url);
if (parent->onvif_url.empty()) {
url = Url(parent->path);
url.scheme("http");
url.path("/onvif/device_service");
Debug(1, "ONVIF defaulting url to %s", url.str().c_str());
}
std::string full_url = url.str() + parent->onvif_events_path;
proxyEvent.soap_endpoint = full_url.c_str();
// Try to create subscription with digest authentication first
set_credentials(soap);
const char *RequestMessageID = nullptr;
bool use_wsa = parent->soap_wsa_compl;
if (use_wsa) {
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, proxyEvent.soap_endpoint, "CreatePullPointSubscriptionRequest") != SOAP_OK) {
Error("ONVIF: Couldn't set WS-Addressing headers. RequestMessageID=%s; TO=%s; Request=CreatePullPointSubscriptionRequest. Error %i %s, %s",
RequestMessageID, proxyEvent.soap_endpoint, soap->error, soap_fault_string(soap), soap_fault_detail(soap));
soap_destroy(soap);
soap_end(soap);
soap_free(soap);
soap = nullptr;
return;
}
}
Debug(1, "ONVIF: Creating PullPoint subscription at endpoint: %s", proxyEvent.soap_endpoint);
int rc = proxyEvent.CreatePullPointSubscription(&request, response);
if (rc != SOAP_OK) {
const char *detail = soap_fault_detail(soap);
bool auth_error = (rc == 401 || (detail && std::strstr(detail, "NotAuthorized")));
if (rc > 8) {
Error("ONVIF: Couldn't create subscription at %s! %d, fault:%s, detail:%s", full_url.c_str(),
rc, soap_fault_string(soap), detail ? detail : "null");
} else {
Error("ONVIF: Couldn't create subscription at %s! %d %s, fault:%s, detail:%s", full_url.c_str(),
rc, SOAP_STRINGS[rc].c_str(),
soap_fault_string(soap), detail ? detail : "null");
}
// If authentication failed and we were using digest, try plain authentication
if (auth_error && !try_usernametoken_auth) {
Info("ONVIF: Digest authentication failed, trying plain UsernameToken authentication");
try_usernametoken_auth = true;
// Clean up and retry
soap_destroy(soap);
soap_end(soap);
// Set credentials with plain auth
set_credentials(soap);
if (use_wsa) {
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, proxyEvent.soap_endpoint, "CreatePullPointSubscriptionRequest") != SOAP_OK) {
Error("ONVIF: Couldn't set WS-Addressing headers on retry. RequestMessageID=%s; TO=%s",
RequestMessageID, proxyEvent.soap_endpoint);
soap_free(soap);
soap = nullptr;
return;
}
}
rc = proxyEvent.CreatePullPointSubscription(&request, response);
if (rc != SOAP_OK) {
retry_count++;
Error("ONVIF: Plain authentication also failed (retry %d/%d). Error %d: %s",
retry_count, max_retries, rc, soap_fault_string(soap));
if (config.log_level >= 3) {
std::stringstream ss;
std::ostream *old_stream = soap->os;
soap->os = &ss;
proxyEvent.CreatePullPointSubscription(&request, response);
soap_write__tev__CreatePullPointSubscriptionResponse(soap, &response);
soap->os = old_stream;
Debug(3, "ONVIF: Response was %s", ss.str().c_str());
}
if (retry_count >= max_retries) {
Error("ONVIF: Max retries (%d) reached, giving up on subscription", max_retries);
} else {
int delay = get_retry_delay();
Info("ONVIF: Will retry subscription in %d seconds (attempt %d/%d)",
delay, retry_count + 1, max_retries);
}
soap_destroy(soap);
soap_end(soap);
soap_free(soap);
soap = nullptr;
healthy = false;
return;
}
Info("ONVIF: Plain authentication succeeded");
retry_count = 0; // Reset retry count on success
} else {
// Not an auth error or already tried plain auth
retry_count++;
if (config.log_level >= 3) {
std::stringstream ss;
std::ostream *old_stream = soap->os;
soap->os = &ss;
proxyEvent.CreatePullPointSubscription(&request, response);
soap_write__tev__CreatePullPointSubscriptionResponse(soap, &response);
soap->os = old_stream;
Debug(3, "ONVIF: Response was %s", ss.str().c_str());
}
if (retry_count >= max_retries) {
Error("ONVIF: Max retries (%d) reached, giving up on subscription", max_retries);
} else {
int delay = get_retry_delay();
Info("ONVIF: Will retry subscription in %d seconds (attempt %d/%d)",
delay, retry_count + 1, max_retries);
}
soap_destroy(soap);
soap_end(soap);
soap_free(soap);
soap = nullptr;
healthy = false;
return;
}
} else {
// Success - reset retry count
retry_count = 0;
Debug(1, "ONVIF: Successfully created PullPoint subscription");
//Empty the stored messages
set_credentials(soap);
if (use_wsa) {
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, response.SubscriptionReference.Address, "PullMessageRequest") != SOAP_OK) {
Error("ONVIF: Couldn't set WS-Addressing headers for initial pull. RequestMessageID=%s; TO=%s; Request=PullMessageRequest. Error %i %s, %s",
RequestMessageID, response.SubscriptionReference.Address, soap->error, soap_fault_string(soap), soap_fault_detail(soap));
healthy = false;
return;
}
Debug(2, "ONVIF: WS-Addressing headers set for initial pull");
}
if ((proxyEvent.PullMessages(response.SubscriptionReference.Address, nullptr, &tev__PullMessages, tev__PullMessagesResponse) != SOAP_OK) &&
(soap->error != SOAP_EOF)
) { //SOAP_EOF could indicate no messages to pull.
Error("ONVIF: Couldn't do initial event pull! Error %i %s, %s", soap->error, soap_fault_string(soap), soap_fault_detail(soap));
healthy = false;
} else {
Debug(1, "ONVIF: Good Initial Pull %i %s, %s", soap->error, soap_fault_string(soap), soap_fault_detail(soap));
healthy = true;
}
// we renew the current subscription .........
if (use_wsa) {
set_credentials(soap);
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, response.SubscriptionReference.Address, "RenewRequest") == SOAP_OK) {
Debug(2, "ONVIF: WS-Addressing headers set for Renew");
if (proxyEvent.Renew(response.SubscriptionReference.Address, nullptr, &wsnt__Renew, wsnt__RenewResponse) != SOAP_OK) {
Error("ONVIF: Couldn't do initial Renew ! Error %i %s, %s", soap->error, soap_fault_string(soap), soap_fault_detail(soap));
if (soap->error==12) {//ActionNotSupported
healthy = true;
} else {
healthy = false;
}
} else {
Debug(2, "ONVIF: Good Initial Renew %i %s, %s", soap->error, soap_fault_string(soap), soap_fault_detail(soap));
healthy = true;
}
} else {
Error("ONVIF: Couldn't set WS-Addressing headers for Renew. RequestMessageID=%s; TO=%s; Request=RenewRequest Error %i %s, %s",
RequestMessageID,
response.SubscriptionReference.Address,
soap->error,
soap_fault_string(soap),
soap_fault_detail(soap));
healthy = false;
} // end renew
}
#else
Error("zmc not compiled with GSOAP. ONVIF support not built in!");
#endif
}
void Monitor::ONVIF::WaitForMessage() {
#ifdef WITH_GSOAP
set_credentials(soap);
const char *RequestMessageID = nullptr;
bool use_wsa = parent->soap_wsa_compl;
if (use_wsa) {
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, response.SubscriptionReference.Address, "PullMessageRequest") != SOAP_OK) {
Error("ONVIF: Couldn't set WS-Addressing headers. RequestMessageID=%s; TO=%s; Request=PullMessageRequest. Error %i %s, %s",
RequestMessageID, response.SubscriptionReference.Address, soap->error, soap_fault_string(soap), soap_fault_detail(soap));
return;
}
Debug(2, "ONVIF: WS-Addressing headers set successfully");
} else {
Debug(2, "ONVIF: WS-Addressing disabled, not sending addressing headers");
}
Debug(1, "ONVIF: Starting PullMessageRequest ...");
int result = proxyEvent.PullMessages(response.SubscriptionReference.Address, nullptr, &tev__PullMessages, tev__PullMessagesResponse);
if (result != SOAP_OK) {
const char *detail = soap_fault_detail(soap);
if (result != SOAP_EOF) { //Ignore the timeout error
Error("Failed to get ONVIF messages! result=%d soap_fault_string=%s detail=%s",
result, soap_fault_string(soap), (detail ? detail : "null"));
if (config.log_level >= 3) {
std::ostream *old_stream = soap->os;
std::stringstream ss;
soap->os = &ss; // assign a stringstream to write output to
set_credentials(soap);
proxyEvent.PullMessages(response.SubscriptionReference.Address, nullptr, &tev__PullMessages, tev__PullMessagesResponse);
soap_write__tev__PullMessagesResponse(soap, &tev__PullMessagesResponse);
soap->os = old_stream; // no longer writing to the stream
Debug(3, "ONVIF: Response was %s", ss.str().c_str());
}
retry_count++;
if (retry_count >= max_retries) {
Error("ONVIF: Max retries (%d) reached for PullMessages, subscription may be lost", max_retries);
} else {
Info("ONVIF: PullMessages failed (attempt %d/%d), will continue trying",
retry_count, max_retries);
}
healthy = false;
} else {
// SOAP_EOF - this is just a timeout, not an error
Debug(2, "ONVIF PullMessage timeout (SOAP_EOF) - no new messages. result=%d soap_fault_string=%s detail=%s",
result, soap_fault_string(soap), detail ? detail : "null");
// Don't clear alarms on timeout - they should remain active until explicitly cleared
// Only clear if Event_Poller_Closes_Event is false (camera doesn't send close events)
// and we haven't received any messages for a long time
// For now, just leave alarms as-is on timeout
Debug(3, "ONVIF: Timeout - keeping existing alarms. Current alarm count: %zu, alarmed: %s",
alarms.size(), alarmed ? "true" : "false");
// Timeout is not an error, don't increment retry_count
}
} else {
// Success - reset retry count
if (retry_count > 0) {
Info("ONVIF: PullMessages succeeded after %d failed attempts", retry_count);
retry_count = 0;
}
Debug(1, "ONVIF polling : Got Good Response! %i, # of messages %zu", result, tev__PullMessagesResponse.wsnt__NotificationMessage.size());
{ // Scope for lock
std::unique_lock<std::mutex> lck(alarms_mutex);
// Only clear alarms if we explicitly get "false" or "Deleted" operations
// Don't clear on empty response - that could be just a timeout
bool has_messages = tev__PullMessagesResponse.wsnt__NotificationMessage.size() > 0;
for (auto msg : tev__PullMessagesResponse.wsnt__NotificationMessage) {
std::string topic, value, operation;
// Use improved parsing that handles different message structures
if (!parse_event_message(msg, topic, value, operation)) {
Debug(1, "ONVIF Got a message that we couldn't parse. Topic: %s",
((msg->Topic && msg->Topic->__any.text) ? msg->Topic->__any.text : "null"));
continue;
}
Debug(2, "ONVIF parsed message: topic=%s value=%s operation=%s",
topic.c_str(), value.c_str(), operation.c_str());
// Use improved topic filtering with wildcard support
if (!matches_topic_filter(topic, parent->onvif_alarm_txt)) {
Debug(2, "ONVIF Got a message that didn't match onvif_alarm_txt filter. %s doesn't match %s",
topic.c_str(), parent->onvif_alarm_txt.c_str());
continue;
}
last_topic = topic;
last_value = value;
Info("ONVIF Got Event! topic:%s value:%s operation:%s",
last_topic.c_str(), last_value.c_str(), operation.c_str());
// Handle PropertyOperation: Deleted means alarm is cleared
if (operation == "Deleted") {
Info("ONVIF Alarm Deleted for topic: %s", last_topic.c_str());
alarms.erase(last_topic);
Debug(1, "ONVIF Alarms count after delete: %zu, alarmed is %s",
alarms.size(), alarmed ? "true" : "false");
if (alarms.empty()) {
alarmed = false;
}
if (!parent->Event_Poller_Closes_Event) {
parent->Event_Poller_Closes_Event = true;
Info("Setting ClosesEvent (detected Deleted operation)");
}
} else if (value.find("false") == 0 || value == "0") {
// Value indicates alarm is off
Info("ONVIF Alarm Off for topic: %s", last_topic.c_str());
alarms.erase(last_topic);
Debug(1, "ONVIF Alarms count after off: %zu, alarmed is %s",
alarms.size(), alarmed ? "true" : "false");
if (alarms.empty()) {
alarmed = false;
}
if (!parent->Event_Poller_Closes_Event) {
parent->Event_Poller_Closes_Event = true;
Info("Setting ClosesEvent (detected false value)");
}
} else {
// Event Start or Changed with true value
if (operation == "Changed") {
Debug(2, "ONVIF Alarm Changed for topic: %s", last_topic.c_str());
} else {
Debug(2, "ONVIF Alarm Started/Initialized for topic: %s", last_topic.c_str());
}
if (alarms.count(last_topic) == 0) {
alarms[last_topic] = last_value;
if (!alarmed) {
Info("ONVIF Triggered Start Event on topic: %s", last_topic.c_str());
alarmed = true;
}
} else {
// Update existing alarm value
alarms[last_topic] = last_value;
}
}
Debug(1, "ONVIF Alarms count is %zu, alarmed is %s", alarms.size(), alarmed ? "true" : "false");
} // end foreach msg
} // end scope for lock
// we renew the current subscription .........
if (use_wsa) {
set_credentials(soap);
wsnt__Renew.TerminationTime = &subscription_timeout;
RequestMessageID = soap_wsa_rand_uuid(soap);
if (soap_wsa_request(soap, RequestMessageID, response.SubscriptionReference.Address, "RenewRequest") == SOAP_OK) {
Debug(2, "ONVIF: WS-Addressing headers set for Renew");
if (proxyEvent.Renew(response.SubscriptionReference.Address, nullptr, &wsnt__Renew, wsnt__RenewResponse) != SOAP_OK) {
Error("ONVIF: Couldn't do Renew! Error %i %s, %s", soap->error, soap_fault_string(soap), soap_fault_detail(soap));
if (soap->error==12) {//ActionNotSupported
healthy = true;
} else {
healthy = false;
}
} else {
Debug(2, "ONVIF: Good Renew %i %s, %s", soap->error, soap_fault_string(soap), soap_fault_detail(soap));
healthy = true;
}
} else {
Error("ONVIF: Couldn't set WS-Addressing headers for Renew. RequestMessageID=%s; TO=%s; Request=RenewRequest. Error %i %s, %s",
RequestMessageID, response.SubscriptionReference.Address, soap->error, soap_fault_string(soap), soap_fault_detail(soap));
healthy = false;
} // end renew
}
} // end if SOAP OK/NOT OK
#endif
return;
}
#ifdef WITH_GSOAP
// Parse ONVIF options from the onvif_options string
// Format: key1=value1,key2=value2
// Supported options:
// pull_timeout=PT20S - Timeout for PullMessages requests
// subscription_timeout=PT60S - Timeout for subscription renewal
// max_retries=5 - Maximum retry attempts
void Monitor::ONVIF::parse_onvif_options() {
if (parent->onvif_options.empty()) {
return;
}
Debug(2, "ONVIF: Parsing options: %s", parent->onvif_options.c_str());
// Helper lambda to parse a single option
auto parse_option = [this](const std::string &option) {
size_t eq_pos = option.find('=');
if (eq_pos != std::string::npos) {
std::string key = option.substr(0, eq_pos);
std::string value = option.substr(eq_pos + 1);
if (key == "pull_timeout") {
pull_timeout = value;
Debug(2, "ONVIF: Set pull_timeout to %s", pull_timeout.c_str());
} else if (key == "subscription_timeout") {
subscription_timeout = value;
Debug(2, "ONVIF: Set subscription_timeout to %s", subscription_timeout.c_str());
} else if (key == "max_retries") {
try {
max_retries = std::stoi(value);
if (max_retries < 0) max_retries = 0;
if (max_retries > ONVIF_MAX_RETRIES_LIMIT) max_retries = ONVIF_MAX_RETRIES_LIMIT;
Debug(2, "ONVIF: Set max_retries to %d", max_retries);
} catch (const std::exception &e) {
Error("ONVIF: Invalid max_retries value '%s': %s", value.c_str(), e.what());
}
}
}
};
std::string options = parent->onvif_options;
size_t start = 0;
size_t pos = 0;
while ((pos = options.find(',', start)) != std::string::npos) {
std::string option = options.substr(start, pos - start);
parse_option(option);
start = pos + 1;
}
// Handle last option (no trailing comma)
if (start < options.length()) {
std::string option = options.substr(start);
parse_option(option);
}
}
// Calculate exponential backoff delay for retries
// Returns delay in seconds: min(2^retry_count, ONVIF_RETRY_DELAY_CAP)
int Monitor::ONVIF::get_retry_delay() {
// Use safe approach to avoid integer overflow
if (retry_count >= ONVIF_RETRY_EXPONENT_LIMIT) {
return ONVIF_RETRY_DELAY_CAP; // 2^9 = 512, cap at 5 minutes
}
int delay = 1 << retry_count; // 2^retry_count
if (delay > ONVIF_RETRY_DELAY_CAP) {
delay = ONVIF_RETRY_DELAY_CAP; // Extra safety check
}
return delay;
}
//ONVIF Set Credentials
void Monitor::ONVIF::set_credentials(struct soap *soap) {
soap_wsse_delete_Security(soap);
soap_wsse_add_Timestamp(soap, "Time", 10);
const char *username = parent->onvif_username.empty() ? parent->user.c_str() : parent->onvif_username.c_str();
const char *password = parent->onvif_username.empty() ? parent->pass.c_str() : parent->onvif_password.c_str();
if (try_usernametoken_auth) {
// Try plain UsernameToken authentication
Debug(2, "ONVIF: Using UsernameToken (plain) authentication");
soap_wsse_add_UsernameTokenText(soap, "Auth", username, password);
} else {
// Try UsernameTokenDigest authentication (default)
Debug(2, "ONVIF: Using UsernameTokenDigest authentication");
soap_wsse_add_UsernameTokenDigest(soap, "Auth", username, password);
}
}
// Helper function to parse event messages with flexible XML structure handling
bool Monitor::ONVIF::parse_event_message(struct _wsnt__NotificationMessage *msg,
std::string &topic,
std::string &value,
std::string &operation) {
if (!msg || !msg->Topic || !msg->Topic->__any.text) {
Debug(3, "ONVIF: Message has no topic");
return false;
}
topic = msg->Topic->__any.text;
Debug(3, "ONVIF: Parsing message with topic: %s", topic.c_str());
// Initialize defaults
value = "";
operation = "Initialized"; // Default operation
if (!msg->Message.__any.elts) {
Debug(3, "ONVIF: Message has no elements");
return false;
}
// Navigate the DOM structure more flexibly
// Different cameras structure messages differently, so we need to handle variations
struct soap_dom_element *elt = msg->Message.__any.elts;
// Look for Message > Message > Data > SimpleItem or ElementItem
// But also handle variations in structure
int depth = 0;
const int max_depth = 10;
while (elt && depth < max_depth) {
Debug(4, "ONVIF: Examining element at depth %d: %s", depth, (elt->name ? elt->name : "null"));
// Check if this is a PropertyOperation element
if (elt->atts) {
struct soap_dom_attribute *att = elt->atts;
while (att) {
if (att->name && att->text) {
Debug(4, "ONVIF: Attribute: %s = %s", att->name, att->text);
// Look for PropertyOperation attribute (may have namespace prefix)
// Check if attribute name ends with PropertyOperation
const char *colon = std::strrchr(att->name, ':');
const char *attr_name = colon ? colon + 1 : att->name;
if (std::strcmp(attr_name, "PropertyOperation") == 0) {
operation = att->text;
Debug(3, "ONVIF: Found PropertyOperation: %s", operation.c_str());
}
}
att = att->next;
}
}
// Look for SimpleItem or ElementItem
// Element names may have namespace prefixes (e.g., "tt:SimpleItem")
if (elt->name) {
const char *colon = std::strrchr(elt->name, ':');
const char *elem_name = colon ? colon + 1 : elt->name;
if (std::strcmp(elem_name, "SimpleItem") == 0) {
// SimpleItem has Value attribute
if (elt->atts) {
struct soap_dom_attribute *att = elt->atts;
while (att) {
if (att->name && att->text) {
const char *att_colon = std::strrchr(att->name, ':');
const char *att_name = att_colon ? att_colon + 1 : att->name;
if (std::strcmp(att_name, "Value") == 0) {
value = att->text;
Debug(3, "ONVIF: Found SimpleItem Value: %s", value.c_str());
return true;
}
}
att = att->next;
}
}
} else if (std::strcmp(elem_name, "ElementItem") == 0) {
// ElementItem might have child elements with values
if (elt->elts && elt->elts->text) {
value = elt->elts->text;
Debug(3, "ONVIF: Found ElementItem value: %s", value.c_str());
return true;
}
} else if (std::strcmp(elem_name, "Data") == 0) {
// Data element, look in children
if (elt->elts) {
elt = elt->elts;
depth++;
continue;
}
}
}
// Try to descend into children first
if (elt->elts) {
elt = elt->elts;
depth++;
} else if (elt->next) {
// No children, try sibling
elt = elt->next;
} else {
// No children or siblings
break;
}
}
// Fallback: try the old parsing method for backward compatibility
// This preserves the original deeply nested null-checking pattern
// to support cameras that worked with the old code
if (value.empty() &&
msg->Message.__any.elts &&
msg->Message.__any.elts->next &&
msg->Message.__any.elts->next->elts &&
msg->Message.__any.elts->next->elts->atts &&
msg->Message.__any.elts->next->elts->atts->next &&
msg->Message.__any.elts->next->elts->atts->next->text) {
value = msg->Message.__any.elts->next->elts->atts->next->text;
Debug(3, "ONVIF: Found value using legacy parsing: %s", value.c_str());
return true;
}
Debug(2, "ONVIF: Could not parse event message value");
return false;
}
// Helper function for hierarchical topic matching with wildcard support
bool Monitor::ONVIF::matches_topic_filter(const std::string &topic, const std::string &filter) {
if (filter.empty()) {
return true; // Empty filter matches all
}
// Simple substring match for backward compatibility
if (std::strstr(topic.c_str(), filter.c_str())) {
return true;
}
// Hierarchical wildcard matching
// Split both topic and filter by '/'
std::vector<std::string> topic_parts;
std::vector<std::string> filter_parts;
// Parse topic
size_t start = 0;
size_t pos = 0;
while ((pos = topic.find('/', start)) != std::string::npos) {
topic_parts.push_back(topic.substr(start, pos - start));
start = pos + 1;
}
topic_parts.push_back(topic.substr(start));
// Parse filter
start = 0;
pos = 0;
while ((pos = filter.find('/', start)) != std::string::npos) {
filter_parts.push_back(filter.substr(start, pos - start));
start = pos + 1;
}
filter_parts.push_back(filter.substr(start));
// Match parts
size_t topic_idx = 0;
size_t filter_idx = 0;
while (filter_idx < filter_parts.size() && topic_idx < topic_parts.size()) {
const std::string &filter_part = filter_parts[filter_idx];
if (filter_part == "*") {
// Single level wildcard - matches one part
filter_idx++;
topic_idx++;
} else if (filter_part == "**") {
// Multi-level wildcard - matches rest of topic
return true;
} else if (!filter_part.empty() && filter_part.back() == '*') {
// Ends with wildcard like "RuleEngine*" - prefix match
std::string prefix = filter_part.substr(0, filter_part.length() - 1);
if (topic_parts[topic_idx].find(prefix) != 0) {
return false;
}
filter_idx++;
topic_idx++;
} else {
// Exact match or substring match required
if (topic_parts[topic_idx].find(filter_part) == std::string::npos) {
return false;
}
filter_idx++;
topic_idx++;
}
}
// All filter parts must be matched
return filter_idx >= filter_parts.size();
}
//GSOAP boilerplate
int SOAP_ENV__Fault(struct soap *soap, char *faultcode, char *faultstring, char *faultactor, struct SOAP_ENV__Detail *detail, struct SOAP_ENV__Code *SOAP_ENV__Code, struct SOAP_ENV__Reason *SOAP_ENV__Reason, char *SOAP_ENV__Node, char *SOAP_ENV__Role, struct SOAP_ENV__Detail *SOAP_ENV__Detail) {
// populate the fault struct from the operation arguments to print it
soap_fault(soap);
// SOAP 1.1
soap->fault->faultcode = faultcode;
soap->fault->faultstring = faultstring;
soap->fault->faultactor = faultactor;
soap->fault->detail = detail;
// SOAP 1.2
soap->fault->SOAP_ENV__Code = SOAP_ENV__Code;
soap->fault->SOAP_ENV__Reason = SOAP_ENV__Reason;
soap->fault->SOAP_ENV__Node = SOAP_ENV__Node;
soap->fault->SOAP_ENV__Role = SOAP_ENV__Role;
soap->fault->SOAP_ENV__Detail = SOAP_ENV__Detail;
// set error
soap->error = SOAP_FAULT;
// handle or display the fault here with soap_stream_fault(soap, std::cerr);
// return HTTP 202 Accepted
return soap_send_empty_response(soap, SOAP_OK);
}
#endif
void Monitor::ONVIF::SetNoteSet(Event::StringSet &noteSet) {
#ifdef WITH_GSOAP
std::unique_lock<std::mutex> lck(alarms_mutex);
if (alarms.empty()) return;
std::string note = "";
for (auto it = alarms.begin(); it != alarms.end(); ++it) {
note = it->first + "/" + it->second;
noteSet.insert(note);
}
#endif
return;
}