Added support for threads restart if config changed.

src/backend/common/Workers.cpp

@@ -78,13 +78,6 @@ const xmrig::Hashrate *xmrig::Workers<T>::hashrate() const
 }
 
 
-template<class T>
-void xmrig::Workers<T>::add(const T &data)
-{
-    m_workers.push_back(new Thread<T>(d_ptr->backend, m_workers.size(), data));
-}
-
-
 template<class T>
 void xmrig::Workers<T>::setBackend(IBackend *backend)
 {
@@ -93,8 +86,12 @@ void xmrig::Workers<T>::setBackend(IBackend *backend)
 
 
 template<class T>
-void xmrig::Workers<T>::start()
+void xmrig::Workers<T>::start(const std::vector<T> &data)
 {
+    for (const T &item : data) {
+        m_workers.push_back(new Thread<T>(d_ptr->backend, m_workers.size(), item));
+    }
+
     d_ptr->hashrate = new Hashrate(m_workers.size());
 
     for (Thread<T> *worker : m_workers) {

src/backend/common/Workers.h

@@ -46,9 +46,8 @@ public:
     ~Workers();
 
     const Hashrate *hashrate() const;
-    void add(const T &data);
     void setBackend(IBackend *backend);
-    void start();
+    void start(const std::vector<T> &data);
     void stop();
     void tick(uint64_t ticks);
 

src/backend/common/interfaces/IBackend.h

@@ -32,6 +32,7 @@
 namespace xmrig {
 
 
+class Algorithm;
 class Hashrate;
 class IWorker;
 class Job;
@@ -43,6 +44,7 @@ class IBackend
 public:
     virtual ~IBackend() = default;
 
+    virtual bool isEnabled(const Algorithm &algorithm) const    = 0;
     virtual const Hashrate *hashrate() const                    = 0;
     virtual const String &profileName() const                   = 0;
     virtual void printHashrate(bool details)                    = 0;

src/backend/cpu/CpuBackend.cpp

@@ -85,40 +85,8 @@ public:
     }
 
 
-    inline bool isReady(const Algorithm &nextAlgo) const
+    inline void start()
     {
-        if (!algo.isValid()) {
-            return false;
-        }
-
-        if (nextAlgo == algo) {
-            return true;
-        }
-
-        const CpuThreads &nextThreads = controller->config()->cpu().threads().get(nextAlgo);
-
-        return algo.memory() == nextAlgo.memory()
-                && threads.size() == nextThreads.size()
-                && std::equal(threads.begin(), threads.end(), nextThreads.begin());
-    }
-
-
-    inline void start(const Job &job)
-    {
-        const CpuConfig &cpu = controller->config()->cpu();
-
-        algo         = job.algorithm();
-        profileName  = cpu.threads().profileName(job.algorithm());
-        threads      = cpu.threads().get(profileName);
-
-        if (profileName.isNull() || threads.empty()) {
-            workers.stop();
-
-            LOG_WARN(YELLOW_BOLD_S "CPU disabled, no suitable configuration for algo %s", job.algorithm().shortName());
-
-            return;
-        }
-
         LOG_INFO(GREEN_BOLD("CPU") " use profile " BLUE_BG(WHITE_BOLD_S " %s ") WHITE_BOLD_S " (" CYAN_BOLD("%zu") WHITE_BOLD(" threads)") " scratchpad " CYAN_BOLD("%zu KB"),
                  profileName.data(),
                  threads.size(),
@@ -131,20 +99,18 @@ public:
         status.memory   = algo.memory();
         status.threads  = threads.size();
 
-        for (const CpuThread &thread : threads) {
+        for (const CpuLaunchData &data : threads) {
-            workers.add(CpuLaunchData(controller->miner(), algo, cpu, thread));
+            status.ways += static_cast<size_t>(data.intensity);
-
-            status.ways += static_cast<size_t>(thread.intensity());
         }
 
-        workers.start();
+        workers.start(threads);
     }
 
 
     Algorithm algo;
     Controller *controller;
-    CpuThreads threads;
     LaunchStatus status;
+    std::vector<CpuLaunchData> threads;
     String profileName;
     uv_mutex_t mutex;
     Workers<CpuLaunchData> workers;
@@ -167,6 +133,12 @@ xmrig::CpuBackend::~CpuBackend()
 }
 
 
+bool xmrig::CpuBackend::isEnabled(const Algorithm &algorithm) const
+{
+    return !d_ptr->controller->config()->cpu().threads().get(algorithm).empty();
+}
+
+
 const xmrig::Hashrate *xmrig::CpuBackend::hashrate() const
 {
     return d_ptr->workers.hashrate();
@@ -190,10 +162,10 @@ void xmrig::CpuBackend::printHashrate(bool details)
     Log::print(WHITE_BOLD_S "|    CPU THREAD | AFFINITY | 10s H/s | 60s H/s | 15m H/s |");
 
     size_t i = 0;
-    for (const CpuThread &thread : d_ptr->threads) {
+    for (const CpuLaunchData &data : d_ptr->threads) {
          Log::print("| %13zu | %8" PRId64 " | %7s | %7s | %7s |",
                     i,
-                    thread.affinity(),
+                    data.affinity,
                     Hashrate::format(hashrate()->calc(i, Hashrate::ShortInterval),  num,         sizeof num / 3),
                     Hashrate::format(hashrate()->calc(i, Hashrate::MediumInterval), num + 8,     sizeof num / 3),
                     Hashrate::format(hashrate()->calc(i, Hashrate::LargeInterval),  num + 8 * 2, sizeof num / 3)
@@ -206,11 +178,26 @@ void xmrig::CpuBackend::printHashrate(bool details)
 
 void xmrig::CpuBackend::setJob(const Job &job)
 {
-    if (d_ptr->isReady(job.algorithm())) {
+    const CpuConfig &cpu = d_ptr->controller->config()->cpu();
+
+    std::vector<CpuLaunchData> threads = cpu.get(d_ptr->controller->miner(), job.algorithm());
+    if (d_ptr->threads.size() == threads.size() && std::equal(d_ptr->threads.begin(), d_ptr->threads.end(), threads.begin())) {
         return;
     }
 
-    d_ptr->start(job);
+    d_ptr->algo         = job.algorithm();
+    d_ptr->profileName  = cpu.threads().profileName(job.algorithm());
+
+    if (d_ptr->profileName.isNull() || threads.empty()) {
+        d_ptr->workers.stop();
+
+        LOG_WARN(YELLOW_BOLD_S "CPU disabled, no suitable configuration for algo %s", job.algorithm().shortName());
+
+        return;
+    }
+
+    d_ptr->threads = std::move(threads);
+    d_ptr->start();
 }
 
 

src/backend/cpu/CpuBackend.h

@@ -44,6 +44,7 @@ public:
     ~CpuBackend() override;
 
 protected:
+    bool isEnabled(const Algorithm &algorithm) const override;
     const Hashrate *hashrate() const override;
     const String &profileName() const override;
     void printHashrate(bool details) override;

src/backend/cpu/CpuConfig.cpp

@@ -100,6 +100,25 @@ rapidjson::Value xmrig::CpuConfig::toJSON(rapidjson::Document &doc) const
 }
 
 
+std::vector<xmrig::CpuLaunchData> xmrig::CpuConfig::get(const Miner *miner, const Algorithm &algorithm) const
+{
+    std::vector<CpuLaunchData> out;
+    const std::vector<CpuThread> &threads = m_threads.get(algorithm);
+
+    if (threads.empty()) {
+        return out;
+    }
+
+    out.reserve(threads.size());
+
+    for (const CpuThread &thread : threads) {
+        out.push_back(CpuLaunchData(miner, algorithm, *this, thread));
+    }
+
+    return out;
+}
+
+
 void xmrig::CpuConfig::read(const rapidjson::Value &value)
 {
     if (value.IsObject()) {

src/backend/cpu/CpuConfig.h

@@ -27,6 +27,7 @@
 
 
 #include "backend/common/Threads.h"
+#include "backend/cpu/CpuLaunchData.h"
 #include "backend/cpu/CpuThread.h"
 #include "crypto/common/Assembly.h"
 
@@ -47,6 +48,7 @@ public:
 
     bool isHwAES() const;
     rapidjson::Value toJSON(rapidjson::Document &doc) const;
+    std::vector<CpuLaunchData> get(const Miner *miner, const Algorithm &algorithm) const;
     void read(const rapidjson::Value &value);
 
     inline bool isEnabled() const                    { return m_enabled; }

src/backend/cpu/CpuLaunchData.cpp

@@ -41,6 +41,19 @@ xmrig::CpuLaunchData::CpuLaunchData(const Miner *miner, const Algorithm &algorit
 }
 
 
+bool xmrig::CpuLaunchData::isEqual(const CpuLaunchData &other) const
+{
+    return (algorithm.memory()  == other.algorithm.memory()
+            && assembly         == other.assembly
+            && hugePages        == other.hugePages
+            && hwAES            == other.hwAES
+            && intensity        == other.intensity
+            && priority         == other.priority
+            && affinity         == other.affinity
+            );
+}
+
+
 xmrig::CnHash::AlgoVariant xmrig::CpuLaunchData::av() const
 {
     if (intensity <= 2) {

src/backend/cpu/CpuLaunchData.h

@@ -46,10 +46,14 @@ class CpuLaunchData
 public:
     CpuLaunchData(const Miner *miner, const Algorithm &algorithm, const CpuConfig &config, const CpuThread &thread);
 
+    bool isEqual(const CpuLaunchData &other) const;
     CnHash::AlgoVariant av() const;
 
     inline constexpr static Nonce::Backend backend() { return Nonce::CPU; }
 
+    inline bool operator!=(const CpuLaunchData &other) const    { return !isEqual(other); }
+    inline bool operator==(const CpuLaunchData &other) const    { return isEqual(other); }
+
     const Algorithm algorithm;
     const Assembly assembly;
     const bool hugePages;

src/base/net/stratum/Pool.cpp

@@ -192,7 +192,8 @@ bool xmrig::Pool::isEqual(const Pool &other) const
             && m_rigId        == other.m_rigId
             && m_url          == other.m_url
             && m_user         == other.m_user
-            && m_pollInterval == other.m_pollInterval);
+            && m_pollInterval == other.m_pollInterval
+            );
 }
 
 

src/core/Miner.cpp

@@ -99,6 +99,8 @@ public:
 xmrig::Miner::Miner(Controller *controller)
     : d_ptr(new MinerPrivate(controller))
 {
+    controller->addListener(this);
+
     d_ptr->timer = new Timer(this);
 
     d_ptr->backends.push_back(new CpuBackend(controller));
@@ -218,6 +220,20 @@ void xmrig::Miner::stop()
 }
 
 
+void xmrig::Miner::onConfigChanged(Config *config, Config *previousConfig)
+{
+    if (config->pools() != previousConfig->pools() && config->pools().active() > 0) {
+        return;
+    }
+
+    const Job job = this->job();
+
+    for (IBackend *backend : d_ptr->backends) {
+        backend->setJob(job);
+    }
+}
+
+
 void xmrig::Miner::onTimer(const Timer *)
 {
     double maxHashrate = 0.0;

src/core/Miner.h

@@ -29,6 +29,7 @@
 #include <vector>
 
 
+#include "base/kernel/interfaces/IBaseListener.h"
 #include "base/kernel/interfaces/ITimerListener.h"
 
 
@@ -41,7 +42,7 @@ class MinerPrivate;
 class IBackend;
 
 
-class Miner : public ITimerListener
+class Miner : public ITimerListener, public IBaseListener
 {
 public:
     Miner(Controller *controller);
@@ -57,6 +58,7 @@ public:
     void stop();
 
 protected:
+    void onConfigChanged(Config *config, Config *previousConfig) override;
     void onTimer(const Timer *timer) override;
 
 private: