remove unused ManaSinkProxy

include/mesytec-mnode/mnode_string.hpp

@@ -0,0 +1,19 @@
+#ifndef E7FD4517_4FF5_4BDA_9AE4_95308A37554D
+#define E7FD4517_4FF5_4BDA_9AE4_95308A37554D
+
+#include <regex>
+#include <string>
+
+namespace mesytec::mnode
+{
+
+template <typename OutputIt>
+void split_string(const std::string &str, const std::regex &re, OutputIt out)
+{
+    std::sregex_token_iterator it(str.begin(), str.end(), re, -1);
+    std::copy(it, std::sregex_token_iterator(), out);
+}
+
+} // namespace mesytec::mnode
+
+#endif /* E7FD4517_4FF5_4BDA_9AE4_95308A37554D */

src/CMakeLists.txt

@@ -24,13 +24,16 @@ if (MNODE_BUILD_TESTS)
     target_link_libraries(test_mana PRIVATE mana)
 endif()
 
-
 add_library(rxi-logc INTERFACE)
 target_sources(rxi-logc INTERFACE internal/rxi/log.c)
+target_compile_options(rxi-logc INTERFACE -DLOG_USE_COLOR)
 
 add_library(mana-plugin-c-test SHARED mana_plugin_c_test.c)
 target_link_libraries(mana-plugin-c-test PRIVATE rxi-logc)
 
+add_library(mana-plugin-cpp-test SHARED mana_plugin_cpp_test.cc)
+target_link_libraries(mana-plugin-cpp-test PRIVATE rxi-logc)
+
 find_package(ROOT COMPONENTS Hist)
 if (ROOT_FOUND)
     message("-- Using ROOT installation from ${ROOT_USE_FILE}")

src/internal/mana_analysis.h

@@ -47,7 +47,7 @@ struct ModuleDataStage
     std::vector<std::vector<nlohmann::json>> moduleInfo;
     RunInfo runInfo;
     nlohmann::json runDescriptor;
-    ManaPlugin *sink = nullptr;
+    IManaSink *sink = nullptr;
     void *sinkContext = nullptr;
 };
 
@@ -196,7 +196,7 @@ inline nlohmann::json make_run_descriptor(const RunInfo &runInfo)
 
 inline ModuleDataStage make_module_data_stage(const std::string &runName, mana::Arena &&arena,
                                               const mvlc::CrateConfig &crateConfig,
-                                              nlohmann::json moduleDb, ManaPlugin *sink,
+                                              nlohmann::json moduleDb, IManaSink *sink,
                                               void *sinkContext)
 {
     ModuleDataStage result;
@@ -210,7 +210,7 @@ inline ModuleDataStage make_module_data_stage(const std::string &runName, mana::
     allocate_outputs(result.arena, result.runInfo);
     result.runDescriptor = make_run_descriptor(result.runInfo);
 
-    spdlog::info("ModuleDataStage: runDescriptor={}", result.runDescriptor.dump(2));
+    spdlog::info("ModuleDataStage: runDescriptor={}", result.runDescriptor.dump());
     spdlog::info("ModuleDataStage: arena stats={}", arena_stats(result.arena));
 
     return result;
@@ -218,12 +218,12 @@ inline ModuleDataStage make_module_data_stage(const std::string &runName, mana::
 
 inline void module_data_stage_begin_run(ModuleDataStage &ctx)
 {
-    ctx.sink->begin_run(ctx.sinkContext, ctx.runDescriptor.dump().c_str());
+    ctx.sink->begin_run(ctx.runDescriptor.dump().c_str());
 }
 
 inline void module_data_stage_end_run(ModuleDataStage &ctx)
 {
-    ctx.sink->end_run(ctx.sinkContext, ctx.runDescriptor.dump().c_str());
+    ctx.sink->end_run(ctx.runDescriptor.dump().c_str());
 }
 
 inline void
@@ -262,22 +262,23 @@ module_data_stage_process_module_data(ModuleDataStage &ctx, int eventIndex,
             extract_module_data(inputData, extractors.at(oi), spans.at(oi));
     }
 
-    ctx.sink->process_event(ctx.sinkContext, eventIndex, eventInfo.outputArrays.front(),
+    ctx.sink->process_event(eventIndex, eventInfo.outputArrays.front(),
                             eventInfo.outputArrays.size(), eventInfo.sizeBytes);
 }
 
 inline void module_data_stage_process_system_event(ModuleDataStage &ctx, const u32 *data, u32 size)
 {
-    ctx.sink->process_system_event(ctx.sinkContext, data, size);
+    ctx.sink->process_system_event(data, size);
 }
 
-struct ManaCountingSink: public ManaPlugin
+struct ManaCountingSink: public IManaSink
 {
     std::vector<size_t> eventCounts;
     std::vector<std::vector<std::vector<size_t>>> eventArrayIndexHits;
     size_t totalBytes = 0;
     size_t systemEventCount = 0;
     size_t systemEventBytes = 0;
+
     void reset()
     {
         eventCounts.clear();
@@ -285,13 +286,10 @@ struct ManaCountingSink: public ManaPlugin
         totalBytes = 0;
     }
 
-    MANA_DEFINE_PLUGIN_INIT(init) override { return nullptr; }
-
-    MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown) override { (void)context; }
-
-    MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run) override
+    void init(int, const char **) override {}
+    void shutdown() override {}
+    void begin_run(const char *descriptor_json) override
     {
-        (void)context;
         auto jRun = nlohmann::json::parse(descriptor_json);
         reset();
         eventCounts.resize(jRun["events"].size());
@@ -299,9 +297,8 @@ struct ManaCountingSink: public ManaPlugin
         eventArrayIndexHits.resize(eventCounts.size());
     }
 
-    MANA_DEFINE_PLUGIN_END_RUN(end_run) override
+    void end_run(const char *descriptor_json) override
     {
-        (void)context;
         auto jRun = nlohmann::json::parse(descriptor_json);
 
         spdlog::info("ManaCountingSink: eventCounts=[{}], totalBytes={}, systemEvents={}, "
@@ -323,9 +320,9 @@ struct ManaCountingSink: public ManaPlugin
         }
     }
 
-    MANA_DEFINE_PLUGIN_EVENT_DATA(process_event) override
+    void process_event(uint16_t eventIndex, mana_offset_array_t *arrays, size_t arrayCount,
+                       size_t totalBytes) override
     {
-        (void)context;
         eventCounts.resize(std::max(eventCounts.size(), static_cast<size_t>(eventIndex + 1)));
         eventArrayIndexHits.resize(eventCounts.size());
         eventArrayIndexHits[eventIndex].resize(
@@ -350,9 +347,8 @@ struct ManaCountingSink: public ManaPlugin
         this->totalBytes += totalBytes;
     }
 
-    MANA_DEFINE_PLUGIN_SYSTEM_EVENT(process_system_event) override
+    void process_system_event(const uint32_t *data, size_t size) override
     {
-        (void)context;
         (void)data;
         ++systemEventCount;
         systemEventBytes += size * sizeof(u32);

src/internal/mana_api.hpp

@@ -0,0 +1,62 @@
+#ifndef A042D3CF_5927_42A2_93FF_E49E940B32BD
+#define A042D3CF_5927_42A2_93FF_E49E940B32BD
+
+#include <memory>
+#include <regex>
+#include <string>
+#include <vector>
+
+#include "mana_c_api.h"
+
+namespace mesytec::mnode::mana
+{
+
+class IManaSink
+{
+  public:
+    virtual ~IManaSink() = default;
+
+    virtual void init(int plugin_argc, const char **plugin_argv) = 0;
+    virtual void shutdown() = 0;
+    virtual void begin_run(const char *descriptor_json) = 0;
+    virtual void end_run(const char *descriptor_json) = 0;
+    virtual void process_event(uint16_t eventIndex, mana_offset_array_t *arrays, size_t arrayCount,
+                               size_t totalBytes) = 0;
+
+    virtual void process_system_event(const uint32_t *data, size_t size) = 0;
+
+    template <typename StringHolder> void init(StringHolder args)
+    {
+        std::vector<const char *> cargs(args.size());
+        std::transform(args.begin(), args.end(), cargs.begin(),
+                       [](const std::string &s) { return s.c_str(); });
+        init(cargs.size(), cargs.data());
+    }
+
+  protected:
+    IManaSink() = default;
+
+  private:
+    IManaSink(const IManaSink &) = delete;
+    IManaSink &operator=(const IManaSink &) = delete;
+};
+
+class IManaPlugin
+{
+  public:
+    virtual ~IManaPlugin() = default;
+    virtual std::unique_ptr<IManaSink> makeSink() = 0;
+
+  protected:
+    IManaPlugin() = default;
+
+  private:
+    IManaPlugin(const IManaPlugin &) = delete;
+    IManaPlugin &operator=(const IManaPlugin &) = delete;
+};
+
+} // namespace mesytec::mnode::mana
+
+#define MANA_CPP_PLUGIN extern "C" mana::IManaPlugin *mana_get_plugin
+
+#endif /* A042D3CF_5927_42A2_93FF_E49E940B32BD */

src/internal/mana_c_api.h

@@ -1,8 +1,8 @@
 #ifndef A51A04C1_ABD6_4DE9_B16A_49A9DA46C67E
 #define A51A04C1_ABD6_4DE9_B16A_49A9DA46C67E
 
-#include <stdint.h>
 #include <stddef.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C"
@@ -33,7 +33,7 @@ extern "C"
         size_t size_bytes;
     } mana_offset_array_t;
 
-#define MANA_DEFINE_PLUGIN_INIT(name) void *name()
+#define MANA_DEFINE_PLUGIN_INIT(name) void *name(int plugin_argc, const char **plugin_argv)
 
 #define MANA_DEFINE_PLUGIN_SHUTDOWN(name) void name(void *context)
 
@@ -63,11 +63,11 @@ extern "C"
         mana_end_run_t *end_run;
         mana_process_event_t *process_event;
         mana_process_system_event_t *process_system_event;
-    } mana_plugin_t;
+    } mana_sink_plugin_t;
 
-// plugins need to define this function with the name 'mana_get_plugin'
-#define MANA_DEFINE_GET_PLUGIN(name) mana_plugin_t name()
-    typedef MANA_DEFINE_GET_PLUGIN(mana_get_plugin_t);
+// use this to define the entry point into the plugin
+// from c++: extern "C" MANA_C_SINK_PLUGIN() { ... return plugin; }
+#define MANA_C_SINK_PLUGIN mana_sink_plugin_t mana_get_sink_plugin
 
 #ifdef __cplusplus
 }

src/internal/mana_lib.hpp

@@ -1,13 +1,15 @@
 #ifndef AAB5E4D2_A05B_4F2F_B76A_406A5A569D55
 #define AAB5E4D2_A05B_4F2F_B76A_406A5A569D55
 
+#include "mana_api.hpp"
+#include "mana_arena.h"
 #include <cassert>
+#include <chrono>
 #include <mesytec-mnode/mnode_cpp_types.h>
+#include <mesytec-mnode/mnode_string.hpp>
 #include <mesytec-mvlc/cpp_compat.h>
 #include <mesytec-mvlc/util/data_filter.h>
 #include <nlohmann/json.hpp>
-#include "mana_api.h"
-#include "mana_arena.h"
 
 namespace mesytec::mnode::mana
 {
@@ -126,56 +128,129 @@ inline nlohmann::json make_array_descriptor(const std::string &name, const std::
     return make_array_descriptor(name, mana_float, size, bits);
 }
 
-struct ManaPlugin
+class ManaSinkPerfProxy: public IManaSink
 {
-    virtual ~ManaPlugin() = default;
-    virtual MANA_DEFINE_PLUGIN_INIT(init) = 0;
-    virtual MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown) = 0;
-    virtual MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run) = 0;
-    virtual MANA_DEFINE_PLUGIN_END_RUN(end_run) = 0;
-    virtual MANA_DEFINE_PLUGIN_EVENT_DATA(process_event) = 0;
-    virtual MANA_DEFINE_PLUGIN_SYSTEM_EVENT(process_system_event) = 0;
+  public:
+    struct Perf
+    {
+        using clock = std::chrono::high_resolution_clock;
+        using time_point = std::chrono::time_point<clock>;
+        using duration = std::chrono::microseconds;
+        template <typename T> static duration duration_cast(const T &dt)
+        {
+            return std::chrono::duration_cast<duration>(dt);
+        }
+        std::vector<size_t> eventHits;
+        std::vector<size_t> eventBytes;
+        duration dt_init;
+        duration dt_shutdown;
+        duration dt_beginRun;
+        duration dt_endRun;
+        std::vector<duration> dt_processEvent;
+        time_point t_beginRun;
+        time_point t_endRun;
+    };
+
+    explicit ManaSinkPerfProxy(IManaSink *sink)
+        : sink_(sink)
+    {
+    }
+
+    const Perf &perf() const { return perf_; }
+
+    void init(int plugin_argc, const char **plugin_argv) override
+    {
+        auto t = Perf::clock::now();
+        sink_->init(plugin_argc, plugin_argv);
+        perf_.dt_init = Perf::duration_cast(Perf::clock::now() - t);
+    }
+
+    void shutdown() override
+    {
+        auto t = Perf::clock::now();
+        sink_->shutdown();
+        perf_.dt_shutdown = Perf::duration_cast(Perf::clock::now() - t);
+    }
+
+    void begin_run(const char *descriptor_json) override
+    {
+        perf_.eventHits.clear();
+        perf_.eventBytes.clear();
+        perf_.dt_beginRun = perf_.dt_endRun = {};
+        perf_.dt_processEvent.clear();
+        perf_.t_endRun = {};
+
+        perf_.t_beginRun = Perf::clock::now();
+        sink_->begin_run(descriptor_json);
+        perf_.dt_beginRun = Perf::duration_cast(Perf::clock::now() - perf_.t_beginRun);
+    }
+
+    void end_run(const char *descriptor_json) override
+    {
+        auto t = Perf::clock::now();
+        sink_->end_run(descriptor_json);
+        perf_.t_endRun = Perf::clock::now();
+        perf_.dt_endRun = Perf::duration_cast(perf_.t_endRun - t);
+    }
+
+    void process_event(uint16_t eventIndex, mana_offset_array_t *arrays, size_t arrayCount,
+                       size_t totalBytes) override
+    {
+        size_t size = eventIndex + 1;
+        perf_.eventHits.resize(std::max(perf_.eventHits.size(), size));
+        perf_.eventBytes.resize(std::max(perf_.eventBytes.size(), size));
+        perf_.dt_processEvent.resize(std::max(perf_.dt_processEvent.size(), size));
+
+        auto t = Perf::clock::now();
+        sink_->process_event(eventIndex, arrays, arrayCount, totalBytes);
+        auto dt = Perf::duration_cast(Perf::clock::now() - t);
+
+        perf_.eventHits[eventIndex]++;
+        perf_.eventBytes[eventIndex] += totalBytes;
+        perf_.dt_processEvent[eventIndex] += dt;
+    }
+
+    void process_system_event(const uint32_t *data, size_t size) override
+    {
+        sink_->process_system_event(data, size);
+    }
+
+  private:
+    IManaSink *sink_;
+    Perf perf_;
 };
 
-struct ManaCPlugin: public ManaPlugin
+// wraps a mana_api.h mana_sink_plugin_t instance
+struct ManaCSink: public IManaSink
 {
-    mana_plugin_t plugin_;
+    mana_sink_plugin_t plugin_;
     void *context_ = nullptr;
 
-    explicit ManaCPlugin(mana_plugin_t plugin)
+    explicit ManaCSink(mana_sink_plugin_t plugin)
         : plugin_(plugin)
     {
     }
 
-    MANA_DEFINE_PLUGIN_INIT(init) override { return context_ = plugin_.init(); }
-
-    MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown) override
+    void init(int plugin_argc, const char **plugin_argv) override
     {
-        (void)context;
-        plugin_.shutdown(context_);
+        context_ = plugin_.init(plugin_argc, plugin_argv);
     }
-
-    MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run) override
+    void shutdown() override { plugin_.shutdown(context_); }
+    void begin_run(const char *descriptor_json) override
     {
-        (void)context;
         plugin_.begin_run(context_, descriptor_json);
     }
-
-    MANA_DEFINE_PLUGIN_END_RUN(end_run) override
+    void end_run(const char *descriptor_json) override
     {
-        (void)context;
         plugin_.end_run(context_, descriptor_json);
     }
-
-    MANA_DEFINE_PLUGIN_EVENT_DATA(process_event) override
+    void process_event(uint16_t eventIndex, mana_offset_array_t *arrays, size_t arrayCount,
+                       size_t totalBytes) override
     {
-        (void)context;
         plugin_.process_event(context_, eventIndex, arrays, arrayCount, totalBytes);
     }
-
-    MANA_DEFINE_PLUGIN_SYSTEM_EVENT(process_system_event) override
+    void process_system_event(const uint32_t *data, size_t size) override
     {
-        (void)context;
         plugin_.process_system_event(context_, data, size);
     }
 };

src/internal/mana_nng.cc

@@ -0,0 +1 @@
+#include "mana_nng.hpp"

src/internal/mana_nng.hpp

@@ -0,0 +1,51 @@
+#ifndef CF5E5AFF_F218_4A25_95DF_8097D7C5685B
+#define CF5E5AFF_F218_4A25_95DF_8097D7C5685B
+
+#include "mana_analysis.h"
+#include <mesytec-mnode/mnode_nng.h>
+
+namespace mesytec::mnode::mana
+{
+
+class NngServer: public IManaSink
+{
+  public:
+    explicit NngServer(nng_socket socket)
+        : socket_(socket)
+    {
+    }
+
+    void init(int plugin_argc, const char **plugin_argv) override
+    {
+        (void)plugin_argc;
+        (void)plugin_argv;
+    }
+
+    void shutdown() override { nng_close(socket_); }
+
+    void begin_run(const char *descriptor_json) override { (void)descriptor_json; }
+
+    void end_run(const char *descriptor_json) override { (void)descriptor_json; }
+
+    void process_event(uint16_t eventIndex, mana_offset_array_t *arrays, size_t arrayCount,
+                       size_t totalBytes) override
+    {
+        (void)eventIndex;
+        (void)arrays;
+        (void)arrayCount;
+        (void)totalBytes;
+    }
+
+    void process_system_event(const uint32_t *data, size_t size) override
+    {
+        (void)data;
+        (void)size;
+    }
+
+  private:
+    nng_socket socket_;
+};
+
+} // namespace mesytec::mnode::mana
+
+#endif /* CF5E5AFF_F218_4A25_95DF_8097D7C5685B */

src/internal/rxi/log.hpp

@@ -0,0 +1,9 @@
+#ifndef DE6BF3F6_F6A6_4CB0_B986_4815C9B2C2CF
+#define DE6BF3F6_F6A6_4CB0_B986_4815C9B2C2CF
+
+extern "C"
+{
+#include "log.h"
+}
+
+#endif /* DE6BF3F6_F6A6_4CB0_B986_4815C9B2C2CF */

src/mana_plugin_c_test.c

@@ -1,7 +1,7 @@
-#include "internal/mana_api.h"
+#include "internal/mana_c_api.h"
 #include "internal/rxi/log.h"
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
 struct Context
 {
@@ -9,28 +9,30 @@ struct Context
 
 MANA_DEFINE_PLUGIN_INIT(init)
 {
-    log_set_level(LOG_DEBUG);
+    log_set_level(LOG_INFO);
     struct Context *ctx = calloc(1, sizeof(*ctx));
-    log_debug("init: ctx=%p", ctx);
+    log_info("init: ctx=%p", ctx);
     return ctx;
 }
 
 MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown)
 {
-    (void)context;
-    log_debug("shutdown");
+    log_info("shutdown: ctx=%p", context);
+    free(context);
 }
 
 MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run)
 {
-    log_debug("begin_run: ctx=%p, descriptor_json=%s", context, descriptor_json);
+    (void)descriptor_json;
+    log_info("begin_run: ctx=%p", context);
     /* pretty useless as the json needs to be parsed back into some c structure describing the input
      */
 }
 
 MANA_DEFINE_PLUGIN_END_RUN(end_run)
 {
-    log_debug("end: ctx=%p, descriptor_json=%s", context, descriptor_json);
+    (void)descriptor_json;
+    log_info("end: ctx=%p", context);
 }
 
 MANA_DEFINE_PLUGIN_EVENT_DATA(process_event)
@@ -44,9 +46,9 @@ MANA_DEFINE_PLUGIN_SYSTEM_EVENT(process_system_event)
     log_debug("system_event: ctx=%p, size=%zu", context, size);
 }
 
-MANA_DEFINE_GET_PLUGIN(mana_get_plugin)
+MANA_C_SINK_PLUGIN()
 {
-    mana_plugin_t plugin;
+    mana_sink_plugin_t plugin;
     plugin.init = init;
     plugin.shutdown = shutdown;
     plugin.begin_run = begin_run;

src/mana_plugin_cpp_test.cc

@@ -0,0 +1,51 @@
+#include "internal/mana_api.hpp"
+#include "internal/rxi/log.hpp"
+
+using namespace mesytec::mnode;
+using namespace mesytec::mnode::mana;
+
+class Sink: public IManaSink
+{
+  public:
+    void init(int plugin_argc, const char **plugin_argv) override
+    {
+        (void)plugin_argc;
+        (void)plugin_argv;
+        log_set_level(LOG_INFO);
+        log_info("init: this=%p", this);
+    }
+
+    void shutdown() override { log_info("shutdown: this=%p", this); }
+
+    void begin_run(const char *descriptor_json) override
+    {
+        (void)descriptor_json;
+        log_info("begin_run: this=%p", this);
+    }
+
+    void end_run(const char *descriptor_json) override
+    {
+        (void)descriptor_json;
+        log_info("end_run: this=%p", this);
+    }
+
+    void process_event(uint16_t eventIndex, mana_offset_array_t *arrays, size_t arrayCount,
+                       size_t totalBytes) override
+    {
+        log_trace("event: this=%p, eventIndex=%d, arrayCount=%zu, totalBytes=%zu", this, eventIndex,
+                  arrayCount, totalBytes);
+    }
+
+    void process_system_event(const uint32_t *data, size_t size) override
+    {
+        log_debug("system_event: this=%p, size=%zu", this, size);
+    }
+};
+
+class Plugin: public IManaPlugin
+{
+  public:
+    std::unique_ptr<IManaSink> makeSink() override { return std::make_unique<Sink>(); }
+};
+
+MANA_CPP_PLUGIN() { return new Plugin; }

src/mana_plugin_python.cc

@@ -21,7 +21,8 @@ struct Context
     py::module usercode;
     py::object userobject;
     py::object py_begin_run;
-    py::object py_event_data;
+    py::object py_process_event;
+    py::object py_process_system_event;
     py::object py_end_run;
     std::vector<std::vector<py::object>> eventBuffers;
 };
@@ -29,7 +30,7 @@ struct Context
 
 MANA_DEFINE_PLUGIN_INIT(init)
 {
-    log_set_level(LOG_DEBUG);
+    log_set_level(LOG_INFO);
     static Context g_ctx;
     auto ctx = &g_ctx;
     log_debug("init: ctx=%p", ctx);
@@ -39,21 +40,18 @@ MANA_DEFINE_PLUGIN_INIT(init)
     return ctx;
 }
 
-MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown)
-{
-    (void)context;
-    log_debug("shutdown");
-}
+MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown) { log_info("shutdown: ctx=%p", context); }
 
 MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run)
 {
-    log_debug("begin_run: context=%p, descriptor_json=%s", context, descriptor_json);
+    log_info("begin_run: ctx=%p", context);
     auto jRun = nlohmann::json::parse(descriptor_json);
     auto ctx = reinterpret_cast<Context *>(context);
     ctx->usercode.reload();
     // TODO: check if the retrieved attributes are callable
     ctx->py_begin_run = ctx->usercode.attr("begin_run");
-    ctx->py_event_data = ctx->usercode.attr("event_data");
+    ctx->py_process_event = ctx->usercode.attr("process_event");
+    ctx->py_process_system_event = ctx->usercode.attr("process_system_event");
     ctx->py_end_run = ctx->usercode.attr("end_run");
     ctx->py_begin_run(descriptor_json);
     ctx->eventBuffers.clear();
@@ -68,7 +66,7 @@ MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run)
 
 MANA_DEFINE_PLUGIN_END_RUN(end_run)
 {
-    log_debug("end: context=%p, descriptor_json=%s", context, descriptor_json);
+    log_info("end: ctx=%p", context);
     auto ctx = reinterpret_cast<Context *>(context);
     ctx->py_end_run(descriptor_json);
 }
@@ -77,6 +75,7 @@ MANA_DEFINE_PLUGIN_EVENT_DATA(process_event)
 {
     log_trace("event: ctx=%p, eventIndex=%d, arrayCount=%zu, totalBytes=%zu", context, eventIndex,
               arrayCount, totalBytes);
+
     auto ctx = reinterpret_cast<Context *>(context);
     auto &buffers = ctx->eventBuffers.at(eventIndex);
     assert(buffers.size() == arrayCount);
@@ -86,18 +85,20 @@ MANA_DEFINE_PLUGIN_EVENT_DATA(process_event)
         ctx->eventBuffers[eventIndex][ai] =
             py::memoryview::from_memory(arraySpan.data(), arraySpan.size() * sizeof(float));
     }
-    ctx->py_event_data(eventIndex, ctx->eventBuffers);
+    ctx->py_process_event(eventIndex, ctx->eventBuffers);
 }
 
 MANA_DEFINE_PLUGIN_SYSTEM_EVENT(process_system_event)
 {
-    log_trace("system_event: ctx=%p, size=%zu", context, size);
+    log_debug("system_event: ctx=%p, size=%zu", context, size);
     auto ctx = reinterpret_cast<Context *>(context);
+    auto view = py::memoryview::from_memory(data, size * sizeof(uint32_t));
+    ctx->py_process_system_event(view);
 }
 
-extern "C" MANA_DEFINE_GET_PLUGIN(mana_get_plugin)
+extern "C" MANA_C_SINK_PLUGIN()
 {
-    mana_plugin_t plugin;
+    mana_sink_plugin_t plugin;
     plugin.init = init;
     plugin.shutdown = shutdown;
     plugin.begin_run = begin_run;

src/mana_plugin_root_histogram.cc

@@ -1,15 +1,12 @@
 #include <TFile.h>
 #include <TH1.h>
+#include <filesystem>
 #include <regex>
 #include <spdlog/spdlog.h>
 #include <vector>
 
 #include "internal/mana_lib.hpp"
-
-extern "C"
-{
-#include "internal/rxi/log.h"
-}
+#include "internal/rxi/log.hpp"
 
 using namespace mesytec::mnode;
 
@@ -20,18 +17,30 @@ struct Context
     std::vector<std::vector<TH1 *>> rawHistograms;
 };
 
+static Context *g_ctx = nullptr;
+
 MANA_DEFINE_PLUGIN_INIT(init)
 {
+    if (g_ctx)
+    {
+        log_warn("init() called multiple times. This plugin is a singleton!");
+        return g_ctx;
+    }
     log_set_level(LOG_INFO);
-    static Context g_ctx;
-    log_debug("init: ctx=%p", &g_ctx);
-    return &g_ctx;
+    log_debug("init");
+    return g_ctx = new Context;
 }
 
 MANA_DEFINE_PLUGIN_SHUTDOWN(shutdown)
 {
-    (void)context;
     log_debug("shutdown");
+    if (context != g_ctx)
+    {
+        log_warn("shutdown() called with invalid context");
+        return;
+    }
+    delete g_ctx;
+    g_ctx = nullptr;
 }
 
 struct ObjectPath
@@ -145,20 +154,24 @@ inline std::string histo_info(const std::vector<std::vector<TH1 *>> &histos)
         }
     }
 
-    return fmt::format("histoCount={}, histoMem={} MiB", histoCount, histoMem / (1024.0 * 1024));
+    return fmt::format("histoCount={}, histoMem={:.2f} MiB", histoCount,
+                       histoMem / (1024.0 * 1024));
 }
 
 MANA_DEFINE_PLUGIN_BEGIN_RUN(begin_run)
 {
     log_debug("begin_run: context=%p, descriptor_json=%s", context, descriptor_json);
     auto jRun = nlohmann::json::parse(descriptor_json);
+    std::filesystem::path rp(jRun["name"].get<std::string>());
+    auto filename = fmt::format("{}_histograms.root", rp.filename().replace_extension().string());
     auto ctx = reinterpret_cast<Context *>(context);
     ctx->hitCounts.clear();
-    ctx->outputFile = std::make_unique<TFile>("output.root", "RECREATE");
+    ctx->outputFile = std::make_unique<TFile>(filename.c_str(), "RECREATE");
     ctx->hitCounts = make_hitcount_histos(ctx->outputFile.get(), jRun);
     ctx->rawHistograms = make_raw_histos(ctx->outputFile.get(), jRun);
     log_info("hitCount histograms: %s", histo_info(ctx->hitCounts).c_str());
     log_info("raw histograms: %s", histo_info(ctx->rawHistograms).c_str());
+    log_info("writing histograms into: %s", filename.c_str());
 }
 
 MANA_DEFINE_PLUGIN_END_RUN(end_run)
@@ -202,9 +215,9 @@ MANA_DEFINE_PLUGIN_SYSTEM_EVENT(process_system_event)
     log_trace("system_event: ctx=%p, size=%zu", context, size);
 }
 
-extern "C" MANA_DEFINE_GET_PLUGIN(mana_get_plugin)
+extern "C" MANA_C_SINK_PLUGIN()
 {
-    mana_plugin_t plugin;
+    mana_sink_plugin_t plugin;
     plugin.init = init;
     plugin.shutdown = shutdown;
     plugin.begin_run = begin_run;

src/mana_python_test_plugin.py

@@ -1,13 +1,16 @@
 
-import json
-import py_mana
+import sys
 
 def begin_run(runDescription: str):
-    print("begin_run")
+    print(f"python: begin_run - python version: {sys.version}")
 
 def end_run(runDescription: str):
-    print("end_run")
+    print(f"python: end_run")
 
-def event_data(eventIndex: int, dataArrays):
+def process_event(eventIndex: int, dataArrays):
     return
     print(f"event[{eventIndex}]: {dataArrays}")
+
+def process_system_event(data):
+    return
+    print(f"python: system_event: size={len(data)}")

src/tools/mana_auto_replay.cc

@@ -293,11 +293,11 @@ struct NngPairStrategy: public ProcessingStrategy
             [](const mvlc::util::Stopwatch sw, size_t bufferNumber, size_t totalBytesProcessed)
             {
                 auto s = sw.get_elapsed().count() / (1000.0 * 1000.0);
-                auto bytesPerSecond = totalBytesProcessed / s;
-                auto MiBPerSecond = bytesPerSecond / (1u << 20);
-                std::cout << fmt::format(
-                    "Processed {} buffers, {} bytes. t={} s, rate={:.2f} MiB/s\n", bufferNumber,
-                    totalBytesProcessed, s, MiBPerSecond);
+                auto MiB = totalBytesProcessed / (1024.0 * 1024);
+                auto MiB_s = MiB / s;
+                fmt::print("Processed {} mvlc data buffers, {:.2f} MiB. "
+                           "elapsed={:.2f} s, rate={:.2f} MiB/s\n",
+                           bufferNumber, MiB, s, MiB_s);
             }(sw, bufferNumber, totalBytesProcessed);
         };
 
@@ -377,7 +377,7 @@ void usage(const char *self)
         << "  --plugin=<plugin.so>            Load a plugin to process the data. Default is a "
            "simple counting plugin.\n"
         << "  --processing-strategy=<name>    Use a specific processing strategy. "
-           "Available: 'direct', 'nng-pair'. Default: 'direct'\n"
+           "Available: 'single-threaded', 'nng-pair'. Default: 'nng-pair'\n"
         << "  --log-level=<level>             One of 'trace', 'debug', 'info', 'warn', 'error', "
            "'off'.\n";
 }
@@ -413,8 +413,9 @@ int main(int argc, char *argv[])
         return 1;
     }
 
-    std::unique_ptr<mana::ManaPlugin> manaPlugin;
     boost::dll::shared_library pluginHandle;
+    std::unique_ptr<mana::IManaPlugin> manaCppPlugin;
+    std::unique_ptr<mana::IManaSink> destSink;
 
     if (parser("--plugin"))
     {
@@ -422,8 +423,27 @@ int main(int argc, char *argv[])
         try
         {
             pluginHandle = boost::dll::shared_library(pluginFile);
-            manaPlugin = std::make_unique<mana::ManaCPlugin>(
-                pluginHandle.get<mana_plugin_t()>("mana_get_plugin")());
+
+            try
+            {
+                destSink = std::make_unique<mana::ManaCSink>(
+                    pluginHandle.get<mana_sink_plugin_t()>("mana_get_sink_plugin")());
+            }
+            catch (const std::exception &e)
+            {
+                spdlog::debug("plugin {} is not a MANA_C_SINK_PLUGIN", pluginFile);
+                try
+                {
+                    manaCppPlugin = std::unique_ptr<mana::IManaPlugin>(
+                        pluginHandle.get<mana::IManaPlugin *()>("mana_get_plugin")());
+                    destSink = manaCppPlugin->makeSink();
+                }
+                catch (const std::exception &e)
+                {
+                    std::cerr << fmt::format("Error loading plugin: {}\n", e.what());
+                    return 1;
+                }
+            }
         }
         catch (const std::exception &e)
         {
@@ -433,19 +453,22 @@ int main(int argc, char *argv[])
     }
     else
     {
-        manaPlugin = std::make_unique<mana::ManaCountingSink>();
+        destSink = std::make_unique<mana::ManaCountingSink>();
     }
 
-    std::string strategyName = "direct";
+    auto manaSink = std::make_unique<mana::ManaSinkPerfProxy>(destSink.get());
+
+    std::string strategyName = "nng-pair";
+
     if (parser("--processing-strategy"))
         strategyName = parser("--processing-strategy").str();
 
-    std::unique_ptr<ProcessingStrategy> strategy; //= std::make_unique<SingleThreadedStrategy>();
+    std::unique_ptr<ProcessingStrategy> processingStrategy;
 
     if (strategyName == "nng-pair")
-        strategy = std::make_unique<NngPairStrategy>("inproc://mana_module_data_stage");
-    else if (strategyName == "direct")
-        strategy = std::make_unique<SingleThreadedStrategy>();
+        processingStrategy = std::make_unique<NngPairStrategy>("inproc://mana_module_data_stage");
+    else if (strategyName == "single-threaded")
+        processingStrategy = std::make_unique<SingleThreadedStrategy>();
     else
     {
         std::cerr << fmt::format("Error: unknown processing strategy '{}'\n", strategyName);
@@ -454,7 +477,7 @@ int main(int argc, char *argv[])
     }
 
     auto mana = mana::make_module_data_stage(filename, mana::Arena(), listfileContext->crateConfig,
-                                             jModuleDataSources, manaPlugin.get(), nullptr);
+                                             jModuleDataSources, manaSink.get(), nullptr);
 
     auto event_data = [](void *ctx_, int crateIndex, int eventIndex,
                          const mvlc::readout_parser::ModuleData *moduleDataList,
@@ -481,13 +504,33 @@ int main(int argc, char *argv[])
     // make the analysis instance available to the parser callbacks
     parserContext->parser.userContext = &mana;
 
-    mana.sinkContext = mana.sink->init();
-    mana.sink->begin_run(mana.sinkContext, mana.runDescriptor.dump().c_str());
+    mana.sink->init(0, nullptr);
+    mana.sink->begin_run(mana.runDescriptor.dump().c_str());
 
-    strategy->run(*listfileContext, *parserContext);
+    processingStrategy->run(*listfileContext, *parserContext);
 
-    mana.sink->end_run(mana.sinkContext, mana.runDescriptor.dump().c_str());
-    mana.sink->shutdown(mana.sinkContext);
+    mana.sink->end_run(mana.runDescriptor.dump().c_str());
+    mana.sink->shutdown();
+
+    auto perf = manaSink->perf();
+    {
+        auto totalBytes = std::accumulate(std::begin(perf.eventBytes), std::end(perf.eventBytes),
+                                          static_cast<size_t>(0));
+        auto totalHits = std::accumulate(std::begin(perf.eventHits), std::end(perf.eventHits),
+                                         static_cast<size_t>(0));
+        double elapsed_ms =
+            std::chrono::duration_cast<std::chrono::milliseconds>(perf.t_endRun - perf.t_beginRun)
+                .count();
+        double elapsed_s = elapsed_ms / 1000.0;
+
+        double MiB = totalBytes / (1024.0 * 1024);
+        double MiB_s = MiB / elapsed_s;
+        double hit_s = totalHits / elapsed_s;
+
+        fmt::print("Data Sink Performance: events={}, bytes={:.2f} MiB, elapsed={:.2f} s, "
+                   "event_rate={:.2f} event/s, data_rate={:.2f} MiB/s\n",
+                   totalHits, MiB, elapsed_s, hit_s, MiB_s);
+    }
 
     return 0;
 }