[swss] Add support for PoE

Add poesyncd daemon
Parse PoE-related configs

*What I did*

Add support for PoE based on sonic-sairedis support of multiple switches.

*How I verified it*

Builds and tests using VS builds.

Signed-off-by: Serhiy Boiko <[email protected]>

Author: SerhiyBoikoPLV

.gitignore

@@ -52,6 +52,7 @@ cfgmgr/portmgrd
 cfgmgr/sflowmgrd
 cfgmgr/teammgrd
 cfgmgr/vlanmgrd
+cfgmgr/poemgrd
 cfgmgr/vrfmgrd
 cfgmgr/vxlanmgrd
 cfgmgr/natmgrd

Makefile.am

@@ -1,7 +1,7 @@
 if GCOV_ENABLED
-SUBDIRS = gcovpreload fpmsyncd neighsyncd portsyncd mclagsyncd natsyncd fdbsyncd orchagent swssconfig cfgmgr tests gearsyncd
+SUBDIRS = gcovpreload fpmsyncd neighsyncd portsyncd mclagsyncd natsyncd fdbsyncd orchagent swssconfig cfgmgr tests gearsyncd poesyncd
 else
-SUBDIRS = fpmsyncd neighsyncd portsyncd mclagsyncd natsyncd fdbsyncd orchagent swssconfig cfgmgr tests gearsyncd 
+SUBDIRS = fpmsyncd neighsyncd portsyncd mclagsyncd natsyncd fdbsyncd orchagent swssconfig cfgmgr tests gearsyncd poesyncd
 endif
 
 

cfgmgr/Makefile.am

@@ -5,7 +5,7 @@ LIBNL_LIBS = -lnl-genl-3 -lnl-route-3 -lnl-3
 SAIMETA_LIBS = -lsaimeta -lsaimetadata -lzmq
 COMMON_LIBS = -lswsscommon -lpthread
 
-bin_PROGRAMS = vlanmgrd teammgrd portmgrd intfmgrd buffermgrd vrfmgrd nbrmgrd vxlanmgrd sflowmgrd natmgrd coppmgrd tunnelmgrd macsecmgrd fabricmgrd
+bin_PROGRAMS = vlanmgrd teammgrd portmgrd intfmgrd buffermgrd vrfmgrd nbrmgrd vxlanmgrd sflowmgrd natmgrd coppmgrd tunnelmgrd macsecmgrd fabricmgrd poemgrd
 
 cfgmgrdir = $(datadir)/swss
 
@@ -101,6 +101,11 @@ macsecmgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI) $(CF
 macsecmgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI) $(CFLAGS_ASAN)
 macsecmgrd_LDADD = $(LDFLAGS_ASAN) $(COMMON_LIBS) $(SAIMETA_LIBS)
 
+poemgrd_SOURCES = poemgrd.cpp poemgr.cpp $(COMMON_ORCH_SOURCE) shellcmd.h
+poemgrd_CFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI) $(CFLAGS_ASAN)
+poemgrd_CPPFLAGS = $(DBGFLAGS) $(AM_CFLAGS) $(CFLAGS_COMMON) $(CFLAGS_SAI) $(CFLAGS_ASAN)
+poemgrd_LDADD = $(LDFLAGS_ASAN) $(COMMON_LIBS) $(SAIMETA_LIBS)
+
 if GCOV_ENABLED
 vlanmgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
 teammgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
@@ -116,6 +121,7 @@ natmgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
 coppmgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
 tunnelmgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
 macsecmgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
+poemgrd_SOURCES += ../gcovpreload/gcovpreload.cpp
 endif
 
 if ASAN_ENABLED
@@ -133,5 +139,6 @@ coppmgrd_SOURCES += $(top_srcdir)/lib/asan.cpp
 tunnelmgrd_SOURCES += $(top_srcdir)/lib/asan.cpp
 macsecmgrd_SOURCES += $(top_srcdir)/lib/asan.cpp
 fabricmgrd_SOURCES += $(top_srcdir)/lib/asan.cpp
+poemgrd_SOURCES += $(top_srcdir)/lib/asan.cpp
 endif
 

cfgmgr/poemgr.cpp

@@ -0,0 +1,50 @@
+#include "poemgr.h"
+#include "logger.h"
+#include "tokenize.h"
+#include "warm_restart.h"
+#include "converter.h"
+
+using namespace swss;
+
+PoeMgr::PoeMgr(DBConnector *appDb, DBConnector *cfgDb, const std::vector<std::string> &poeTables) :
+        Orch(cfgDb, poeTables),
+        m_appPoeTable(appDb, APP_POE_TABLE_NAME)
+{
+    SWSS_LOG_ENTER();
+}
+
+void PoeMgr::doTask(Consumer &consumer)
+{
+    SWSS_LOG_ENTER();
+    std::string table_name = consumer.getTableName();
+    if (table_name != CFG_POE_TABLE_NAME)
+    {
+        SWSS_LOG_ERROR("Unknown config table %s ", table_name.c_str());
+        throw std::runtime_error("PoeMgr doTask failure.");
+    }
+
+    auto it = consumer.m_toSync.begin();
+    while (it != consumer.m_toSync.end())
+    {
+        KeyOpFieldsValuesTuple t = it->second;
+        std::string alias = kfvKey(t);
+        std::string op = kfvOp(t);
+
+        SWSS_LOG_NOTICE("TABLE key: %s : %s", alias.c_str(), op.c_str());
+        if (op == SET_COMMAND)
+        {
+            SWSS_LOG_NOTICE("Add PoE port: %s", alias.c_str());
+            m_appPoeTable.set(alias, kfvFieldsValues(t));
+        }
+        else if (op == DEL_COMMAND)
+        {
+            SWSS_LOG_NOTICE("Removing PoE port: %s", alias.c_str());
+            m_appPoeTable.del(alias);
+        }
+        else
+        {
+            SWSS_LOG_ERROR("Unknown operation type %s", op.c_str());
+        }
+        it = consumer.m_toSync.erase(it);
+    }
+}

cfgmgr/poemgr.h

@@ -0,0 +1,28 @@
+#ifndef __POEMGR__
+#define __POEMGR__
+
+#include "dbconnector.h"
+#include "producerstatetable.h"
+#include "orch.h"
+
+#include <string>
+#include <vector>
+
+namespace swss {
+
+class PoeMgr : public Orch
+{
+public:
+    PoeMgr(DBConnector *appDb, DBConnector *cfgDb, const std::vector<std::string> &poeTables);
+    using Orch::doTask;
+
+private:
+    ProducerStateTable m_appPoeTable;
+
+    void doTask(Consumer &consumer);
+
+};
+
+}
+
+#endif

cfgmgr/poemgrd.cpp

@@ -0,0 +1,70 @@
+#include <vector>
+
+#include "poemgr.h"
+#include "dbconnector.h"
+#include "select.h"
+#include "warm_restart.h"
+
+using namespace swss;
+
+/* select() function timeout retry time, in millisecond */
+#define SELECT_TIMEOUT 1000
+
+
+int main(int argc, char **argv)
+{
+    Logger::linkToDbNative("poemgrd");
+    SWSS_LOG_ENTER();
+
+    SWSS_LOG_NOTICE("--- Starting poemgrd ---");
+
+    try
+    {
+        std::vector<std::string> cfg_tables = {
+            CFG_POE_TABLE_NAME,
+        };
+
+        DBConnector cfgDb("CONFIG_DB", 0);
+        DBConnector appDb("APPL_DB", 0);
+
+        WarmStart::initialize("poemgrd", "swss");
+        WarmStart::checkWarmStart("poemgrd", "swss");
+
+        PoeMgr manager(&appDb, &cfgDb, cfg_tables);
+
+        std::vector<Orch *> cfgOrchList = {&manager};
+
+        Select s;
+        for (Orch *o : cfgOrchList)
+        {
+            s.addSelectables(o->getSelectables());
+        }
+
+        SWSS_LOG_NOTICE("starting main loop");
+        while (true)
+        {
+            Selectable *sel;
+            int ret;
+
+            ret = s.select(&sel, SELECT_TIMEOUT);
+            if (ret == Select::ERROR)
+            {
+                SWSS_LOG_NOTICE("Error: %s!", strerror(errno));
+                continue;
+            }
+            if (ret == Select::TIMEOUT)
+            {
+                manager.doTask();
+                continue;
+            }
+
+            auto *c = (Executor *)sel;
+            c->execute();
+        }
+    }
+    catch(const std::exception &e)
+    {
+        SWSS_LOG_ERROR("Runtime error: %s", e.what());
+    }
+    return -1;
+}

configure.ac

@@ -150,6 +150,7 @@ AC_CONFIG_FILES([
     fpmsyncd/Makefile
     neighsyncd/Makefile
     gearsyncd/Makefile
+    poesyncd/Makefile
     fdbsyncd/Makefile
     natsyncd/Makefile
     portsyncd/Makefile