1) add slaveof item in config file; 2) include binding loop network interface...

1) add slaveof item in config file; 2) include binding loop network interface when use a single network interface in config file

conf/pika.conf

@@ -49,7 +49,9 @@ db-sync-path : ./dbsync/
 # db sync speed(MB) max is set to 125MB, min is set to 0, and if below 0 or above 125, the value will be adjust to 125
 db-sync-speed : -1
 # network interface
-#network-interface : eth1
+# network-interface : eth1
+# replication
+# slaveof : master-ip:master-port
 
 ###################
 ## Critical Settings

include/pika_binlog_receiver_thread.h

@@ -2,6 +2,7 @@
 #define PIKA_BINLOG_RECEIVER_THREAD_H_
 
 #include <queue>
+#include <set>
 
 #include "holy_thread.h"
 #include "slash_mutex.h"
@@ -14,6 +15,7 @@ class PikaBinlogReceiverThread : public pink::HolyThread<PikaMasterConn>
 {
 public:
   PikaBinlogReceiverThread(std::string &ip, int port, int cron_interval = 0);
+  PikaBinlogReceiverThread(std::set<std::string> &ips, int port, int cron_interval = 0);
   virtual ~PikaBinlogReceiverThread();
   virtual void CronHandle();
   virtual bool AccessHandle(std::string& ip);

include/pika_conf.h

@@ -20,6 +20,7 @@ public:
 
   // Getter
   int port()              { RWLock l(&rwlock_, false); return port_; }
+  std::string slaveof() {RWLock l(&rwlock_, false); return slaveof_;}
   int thread_num()        { RWLock l(&rwlock_, false); return thread_num_; }
   int sync_thread_num()        { RWLock l(&rwlock_, false); return sync_thread_num_; }
   int sync_buffer_size()        { RWLock l(&rwlock_, false); return sync_buffer_size_; }
@@ -66,6 +67,10 @@ public:
   void SetThreadNum(const int value)            { RWLock l(&rwlock_, true); thread_num_ = value; }
   void SetLogLevel(const int value)             { RWLock l(&rwlock_, true); log_level_ = value; }
   void SetTimeout(const int value)              { RWLock l(&rwlock_, true); timeout_ = value; }
+  void SetSlaveof(const std::string value) {
+    RWLock l(&rwlock_, true);
+    slaveof_ = value;
+  }
   void SetBgsavePath(const std::string &value) {
     RWLock l(&rwlock_, true);
     bgsave_path_ = value;
@@ -122,6 +127,7 @@ public:
 
 private:
   int port_;
+  std::string slaveof_;
   int thread_num_;
   int sync_thread_num_;
   int sync_buffer_size_;

include/pika_dispatch_thread.h

@@ -10,6 +10,7 @@ class PikaDispatchThread : public pink::DispatchThread<PikaClientConn>
 public:
   PikaDispatchThread(int port, int work_num, PikaWorkerThread** pika_worker_thread, int cron_interval);
   PikaDispatchThread(std::string &ip, int port, int work_num, PikaWorkerThread** pika_worker_thread, int cron_interval);
+  PikaDispatchThread(std::set<std::string> &ips, int port, int work_num, PikaWorkerThread** pika_worker_thread, int cron_interval);
   virtual ~PikaDispatchThread();
   virtual void CronHandle();
   virtual bool AccessHandle(std::string& ip);

include/pika_heartbeat_thread.h

@@ -8,6 +8,7 @@ class PikaHeartbeatThread : public pink::HolyThread<PikaHeartbeatConn>
 {
 public:
   PikaHeartbeatThread(std::string &ip, int port, int cron_interval = 0);
+  PikaHeartbeatThread(std::set<std::string> &ip, int port, int cron_interval = 0);
   virtual ~PikaHeartbeatThread();
   virtual void CronHandle();
   virtual bool AccessHandle(std::string& ip_port);

src/pika_admin.cc

@@ -840,8 +840,12 @@ void ConfigCmd::ConfigGet(std::string &ret) {
     } else {
       EncodeString(&ret, "no");
     }
+  } else if (get_item == "slaveof") {
+    ret = "*2\r\n";
+    EncodeString(&ret, "slaveof");
+    EncodeString(&ret, g_pika_conf->slaveof());
   } else if (get_item == "*") {
-    ret = "*64\r\n";
+    ret = "*66\r\n";
     EncodeString(&ret, "port");
     EncodeInt32(&ret, g_pika_conf->port());
     EncodeString(&ret, "thread-num");
@@ -906,6 +910,8 @@ void ConfigCmd::ConfigGet(std::string &ret) {
     EncodeInt32(&ret, g_pika_conf->db_sync_speed());
     EncodeString(&ret, "network-interface");
     EncodeString(&ret, g_pika_conf->network_interface());
+    EncodeString(&ret, "slaveof");
+    EncodeString(&ret, g_pika_conf->slaveof());
   } else {
     ret = "*0\r\n";
   }

src/pika_binlog_receiver_thread.cc

@@ -17,6 +17,17 @@ PikaBinlogReceiverThread::PikaBinlogReceiverThread(std::string &ip, int port, in
   InitCmdTable(&cmds_);
 }
 
+PikaBinlogReceiverThread::PikaBinlogReceiverThread(std::set<std::string> &ips, int port, int cron_interval) :
+  HolyThread::HolyThread(ips, port, cron_interval),
+  thread_querynum_(0),
+  last_thread_querynum_(0),
+  last_time_us_(slash::NowMicros()),
+  last_sec_thread_querynum_(0),
+  serial_(0) {
+  cmds_.reserve(300);
+  InitCmdTable(&cmds_);
+}
+
 PikaBinlogReceiverThread::~PikaBinlogReceiverThread() {
     DestoryCmdTable(cmds_);
     LOG(INFO) << "BinlogReceiver thread " << thread_id() << " exit!!!";

src/pika_conf.cc

@@ -156,6 +156,9 @@ int PikaConf::Load()
   network_interface_ = "";
   GetConfStr("network-interface", &network_interface_);
 
+  // slaveof
+  slaveof_ = "";
+  GetConfStr("slaveof", &slaveof_);
   return ret;
 }
 
@@ -188,6 +191,7 @@ int PikaConf::ConfigRewrite() {
   SetConfStr("db-sync-path", db_sync_path_);
   SetConfInt("db-sync-speed", db_sync_speed_);
   SetConfStr("network-interface", network_interface_);
+  SetConfStr("slaveof", slaveof_);
 
   SetConfInt("binlog-file-size", binlog_file_size_);
   SetConfStr("compression", compression_);

src/pika_dispatch_thread.cc

@@ -15,6 +15,10 @@ PikaDispatchThread::PikaDispatchThread(std::string &ip, int port, int work_num,
   DispatchThread::DispatchThread(ip, port, work_num, reinterpret_cast<pink::WorkerThread<PikaClientConn>**>(pika_worker_thread), cron_interval) {
 }
 
+PikaDispatchThread::PikaDispatchThread(std::set<std::string> &ips, int port, int work_num, PikaWorkerThread** pika_worker_thread, int cron_interval) :
+  DispatchThread::DispatchThread(ips, port, work_num, reinterpret_cast<pink::WorkerThread<PikaClientConn>**>(pika_worker_thread), cron_interval) {
+}
+
 PikaDispatchThread::~PikaDispatchThread() {
   LOG(INFO) << "dispatch thread " << thread_id() << " exit!!!";
 }

src/pika_heartbeat_thread.cc

@@ -10,6 +10,10 @@ PikaHeartbeatThread::PikaHeartbeatThread(std::string& ip, int port, int cron_int
   HolyThread::HolyThread(ip, port, cron_interval) {
 }
 
+PikaHeartbeatThread::PikaHeartbeatThread(std::set<std::string>& ips, int port, int cron_interval) :
+  HolyThread::HolyThread(ips, port, cron_interval) {
+}
+
 PikaHeartbeatThread::~PikaHeartbeatThread() {
   LOG(INFO) << "PikaHeartbeat thread " << thread_id() << " exit!!!";
 }

src/pika_server.cc

@@ -66,9 +66,16 @@ PikaServer::PikaServer() :
     pika_worker_thread_[i] = new PikaWorkerThread(1000);
   }
 
-  pika_dispatch_thread_ = new PikaDispatchThread(host_, port_, worker_num_, pika_worker_thread_, 3000);
-  pika_binlog_receiver_thread_ = new PikaBinlogReceiverThread(host_, port_ + 1000, 1000);
-  pika_heartbeat_thread_ = new PikaHeartbeatThread(host_, port_ + 2000, 1000);
+  std::set<std::string> ips;
+  if (g_pika_conf->network_interface().empty()) {
+    ips.insert("0.0.0.0");
+  } else {
+    ips.insert("127.0.0.1");
+    ips.insert(host_);
+  }
+  pika_dispatch_thread_ = new PikaDispatchThread(ips, port_, worker_num_, pika_worker_thread_, 3000);
+  pika_binlog_receiver_thread_ = new PikaBinlogReceiverThread(ips, port_ + 1000, 1000);
+  pika_heartbeat_thread_ = new PikaHeartbeatThread(ips, port_ + 2000, 1000);
   pika_trysync_thread_ = new PikaTrysyncThread();
   monitor_thread_ = new PikaMonitorThread();
   
@@ -229,6 +236,17 @@ void PikaServer::Start() {
   time(&start_time_s_);
 
   //SetMaster("127.0.0.1", 9221);
+  std::string slaveof = g_pika_conf->slaveof();
+  if (!slaveof.empty()) {
+    int32_t sep = slaveof.find(":");
+    std::string master_ip = slaveof.substr(0, sep);
+    int32_t master_port = std::stoi(slaveof.substr(sep+1));
+    if ((master_ip == "127.0.0.1" || master_ip == host_) && master_port == port_) {
+      LOG(FATAL) << "you will slaveof yourself as the config file, please check";
+    } else {
+      SetMaster(master_ip, master_port);
+    }
+  }
 
   LOG(INFO) << "Pika Server going to start";
   while (!exit_) {

pink @ ea6709ec

-Subproject commit cc85f10d434367731e57b6734c2493f5780a3c95
+Subproject commit ea6709ec3268d8951ece8d74aea22a4abe1be9cf

slash @ d2b6faa6

-Subproject commit 306a91825db4e613678d019c9cb3eaf6b42a50c7
+Subproject commit d2b6faa6807c933556517c172d46985722551053