Merge pull request #7969 from meshtastic/master

Backmerge
This commit is contained in:
Ben Meadors
2025-09-12 18:23:40 -05:00
committed by GitHub
5 changed files with 73 additions and 14 deletions

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@@ -6,6 +6,7 @@
#include <memory>
#include "PointerQueue.h"
#include "configuration.h" // For LOG_WARN, LOG_DEBUG, LOG_HEAP
template <class T> class Allocator
{
@@ -14,13 +15,14 @@ template <class T> class Allocator
Allocator() : deleter([this](T *p) { this->release(p); }) {}
virtual ~Allocator() {}
/// Return a queable object which has been prefilled with zeros. Panic if no buffer is available
/// Return a queable object which has been prefilled with zeros. Return nullptr if no buffer is available
/// Note: this method is safe to call from regular OR ISR code
T *allocZeroed()
{
T *p = allocZeroed(0);
assert(p); // FIXME panic instead
if (!p) {
LOG_WARN("Failed to allocate zeroed memory");
}
return p;
}
@@ -39,9 +41,11 @@ template <class T> class Allocator
T *allocCopy(const T &src, TickType_t maxWait = portMAX_DELAY)
{
T *p = alloc(maxWait);
assert(p);
if (!p) {
LOG_WARN("Failed to allocate memory for copy");
return nullptr;
}
if (p)
*p = src;
return p;
}
@@ -83,7 +87,9 @@ template <class T> class MemoryDynamic : public Allocator<T>
/// Return a buffer for use by others
virtual void release(T *p) override
{
assert(p);
if (p == nullptr)
return;
LOG_HEAP("Freeing 0x%x", p);
free(p);
@@ -98,3 +104,59 @@ template <class T> class MemoryDynamic : public Allocator<T>
return p;
}
};
/**
* A static memory pool that uses a fixed buffer instead of heap allocation
*/
template <class T, int MaxSize> class MemoryPool : public Allocator<T>
{
private:
T pool[MaxSize];
bool used[MaxSize];
public:
MemoryPool()
{
// Initialize the used array to false (all slots free)
for (int i = 0; i < MaxSize; i++) {
used[i] = false;
}
}
/// Return a buffer for use by others
virtual void release(T *p) override
{
if (!p) {
LOG_DEBUG("Failed to release memory, pointer is null");
return;
}
// Find the index of this pointer in our pool
int index = p - pool;
if (index >= 0 && index < MaxSize) {
assert(used[index]); // Should be marked as used
used[index] = false;
LOG_HEAP("Released static pool item %d at 0x%x", index, p);
} else {
LOG_WARN("Pointer 0x%x not from our pool!", p);
}
}
protected:
// Alloc some storage from our static pool
virtual T *alloc(TickType_t maxWait) override
{
// Find first free slot
for (int i = 0; i < MaxSize; i++) {
if (!used[i]) {
used[i] = true;
LOG_HEAP("Allocated static pool item %d at 0x%x", i, &pool[i]);
return &pool[i];
}
}
// No free slots available - return nullptr instead of asserting
LOG_WARN("No free slots available in static memory pool!");
return nullptr;
}
};

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@@ -100,7 +100,6 @@ void MeshModule::callModules(meshtastic_MeshPacket &mp, RxSource src)
// Was this message directed to us specifically? Will be false if we are sniffing someone elses packets
auto ourNodeNum = nodeDB->getNodeNum();
bool toUs = isBroadcast(mp.to) || isToUs(&mp);
bool fromUs = mp.from == ourNodeNum;
for (auto i = modules->begin(); i != modules->end(); ++i) {
auto &pi = **i;

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@@ -662,7 +662,7 @@ void Router::handleReceived(meshtastic_MeshPacket *p, RxSource src)
// call modules here
// If this could be a spoofed packet, don't let the modules see it.
if (!skipHandle && p->from != nodeDB->getNodeNum()) {
if (!skipHandle) {
MeshModule::callModules(*p, src);
#if !MESHTASTIC_EXCLUDE_MQTT
@@ -676,8 +676,6 @@ void Router::handleReceived(meshtastic_MeshPacket *p, RxSource src)
!isFromUs(p) && mqtt)
mqtt->onSend(*p_encrypted, *p, p->channel);
#endif
} else if (p->from == nodeDB->getNodeNum() && !skipHandle) {
MeshModule::callModules(*p, src);
}
packetPool.release(p_encrypted); // Release the encrypted packet

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@@ -30,7 +30,7 @@
/// max number of ClientNotification packets which can be waiting for delivery to phone
#ifndef MAX_RX_NOTIFICATION_TOPHONE
#define MAX_RX_NOTIFICATION_TOPHONE 4
#define MAX_RX_NOTIFICATION_TOPHONE 2
#endif
/// Verify baseline assumption of node size. If it increases, we need to reevaluate

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@@ -12,12 +12,12 @@ NodeInfoModule *nodeInfoModule;
bool NodeInfoModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshtastic_User *pptr)
{
auto p = *pptr;
if (mp.from == nodeDB->getNodeNum()) {
LOG_WARN("Ignoring packet supposed to be from our own node: %08x", mp.from);
return false;
}
auto p = *pptr;
if (p.is_licensed != owner.is_licensed) {
LOG_WARN("Invalid nodeInfo detected, is_licensed mismatch!");
return true;