X-Git-Url: http://xvm.mit.edu/gitweb/invirt/third/libt4.git/blobdiff_plain/5fd8cc8409d0efadc07dfe8d6774ad9ff477663d..e478ac59e66e89cbc174e781ac715c8644539947:/rsm.h

diff --git a/rsm.h b/rsm.h
index c5bf4fc..ef919ff 100644
--- a/rsm.h
+++ b/rsm.h
@@ -3,33 +3,37 @@
 #ifndef rsm_h
 #define rsm_h
 
-#include <string>
-#include <vector>
+#include "types.h"
 #include "rsm_protocol.h"
-#include "rsm_state_transfer.h"
-#include "rpc.h"
+#include "rpc/rpc.h"
 #include <arpa/inet.h>
 #include "config.h"
 
+class rsm_state_transfer {
+    public:
+        virtual string marshal_state() = 0;
+        virtual void unmarshal_state(string) = 0;
+        virtual ~rsm_state_transfer() {}
+};
 
 class rsm : public config_view_change {
     private:
         void reg1(int proc, handler *);
     protected:
-        std::map<int, handler *> procs;
+        map<int, handler *> procs;
         config *cfg;
-        class rsm_state_transfer *stf;
+        rsm_state_transfer *stf = nullptr;
         rpcs *rsmrpc;
         // On slave: expected viewstamp of next invoke request
         // On primary: viewstamp for the next request from rsm_client
-        viewstamp myvs;
-        viewstamp last_myvs;   // Viewstamp of the last executed request
-        std::string primary;
+        viewstamp last_myvs{0, 0};   // Viewstamp of the last executed request
+        viewstamp myvs{0, 1};
+        string primary;
         bool insync;
         bool inviewchange;
         unsigned vid_commit;  // Latest view id that is known to rsm layer
         unsigned vid_insync;  // The view id that this node is synchronizing for
-        std::vector<std::string> backups;   // A list of unsynchronized backups
+        vector<string> backups;   // A list of unsynchronized backups
 
         // For testing purposes
         rpcs *testsvr;
@@ -38,199 +42,46 @@ class rsm : public config_view_change {
         bool break1;
         bool break2;
 
-
-        rsm_client_protocol::status client_members(int i,
-                std::vector<std::string> &r);
-        rsm_protocol::status invoke(int proc, viewstamp vs, std::string mreq,
-                int &dummy);
-        rsm_protocol::status transferreq(std::string src, viewstamp last, unsigned vid,
-                rsm_protocol::transferres &r);
-        rsm_protocol::status transferdonereq(std::string m, unsigned vid, int &);
-        rsm_protocol::status joinreq(std::string src, viewstamp last,
-                rsm_protocol::joinres &r);
-        rsm_test_protocol::status test_net_repairreq(int heal, int &r);
-        rsm_test_protocol::status breakpointreq(int b, int &r);
-
-        mutex rsm_mutex;
-        mutex invoke_mutex;
-        cond recovery_cond;
-        cond sync_cond;
-
-        void execute(int procno, std::string req, std::string &r);
-        rsm_client_protocol::status client_invoke(int procno, std::string req,
-                std::string &r);
-        bool statetransfer(std::string m);
-        bool statetransferdone(std::string m);
-        bool join(std::string m);
+        rsm_client_protocol::status client_members(vector<string> &r, int i);
+        rsm_protocol::status invoke(int &, int proc, viewstamp vs, string mreq);
+        rsm_protocol::status transferreq(rsm_protocol::transferres &r, string src,
+                viewstamp last, unsigned vid);
+        rsm_protocol::status transferdonereq(int &, string m, unsigned vid);
+        rsm_protocol::status joinreq(string & log, string src,
+                viewstamp last);
+        rsm_test_protocol::status test_net_repairreq(rsm_test_protocol::status &r, int heal);
+        rsm_test_protocol::status breakpointreq(rsm_test_protocol::status &r, int b);
+
+        mutex rsm_mutex, invoke_mutex;
+        cond recovery_cond, sync_cond;
+
+        void execute(int procno, string req, string &r);
+        rsm_client_protocol::status client_invoke(string &r, int procno, string req);
+        bool statetransfer(string m, lock & rsm_mutex_lock);
+        bool statetransferdone(string m, lock & rsm_mutex_lock);
+        bool join(string m, lock & rsm_mutex_lock);
         void set_primary(unsigned vid);
-        std::string find_highest(viewstamp &vs, std::string &m, unsigned &vid);
-        bool sync_with_backups();
-        bool sync_with_primary();
-        void net_repair_wo(bool heal);
+        bool sync_with_backups(lock & rsm_mutex_lock);
+        bool sync_with_primary(lock & rsm_mutex_lock);
+        void net_repair(bool heal, lock & rsm_mutex_lock);
         void breakpoint1();
         void breakpoint2();
-        void partition1();
-        void commit_change_wo(unsigned vid);
+        void partition1(lock & rsm_mutex_lock);
+        void commit_change(unsigned vid, lock & rsm_mutex_lock);
     public:
-        rsm (std::string _first, std::string _me);
-        ~rsm() {};
+        rsm (string _first, string _me);
+        ~rsm() {}
 
         bool amiprimary();
-        void set_state_transfer(rsm_state_transfer *_stf) { stf = _stf; };
+        void set_state_transfer(rsm_state_transfer *_stf) { stf = _stf; }
         void recovery();
         void commit_change(unsigned vid);
 
-        template<class S, class A1, class R>
-        void reg(int proc, S*, int (S::*meth)(const A1 a1, R &));
-        template<class S, class A1, class A2, class R>
-        void reg(int proc, S*, int (S::*meth)(const A1 a1, const A2 a2, R &));
-        template<class S, class A1, class A2, class A3, class R>
-        void reg(int proc, S*, int (S::*meth)(const A1 a1, const A2 a2,
-                    const A3 a3, R &));
-        template<class S, class A1, class A2, class A3, class A4, class R>
-        void reg(int proc, S*, int (S::*meth)(const A1 a1, const A2 a2,
-                    const A3 a3, const A4 a4, R &));
-        template<class S, class A1, class A2, class A3, class A4, class A5, class R>
-        void reg(int proc, S*, int (S::*meth)(const A1 a1, const A2 a2,
-                    const A3 a3, const A4 a4, const A5 a5, R &));
+        template<class F, class C=void> void reg(int proc, F f, C *c=nullptr);
 };
 
-template<class S, class A1, class R>
-void rsm::reg(int proc, S*sob, int (S::*meth)(const A1 a1, R & r)) {
-  class h1 : public handler {
-  private:
-    S * sob;
-    int (S::*meth)(const A1 a1, R & r);
-  public:
-  h1(S *xsob, int (S::*xmeth)(const A1 a1, R & r))
-      : sob(xsob), meth(xmeth) { }
-    int fn(unmarshall &args, marshall &ret) {
-      A1 a1;
-      R r;
-      args >> a1;
-      VERIFY(args.okdone());
-      int b = (sob->*meth)(a1,r);
-      ret << r;
-      return b;
-    }
-  };
-  reg1(proc, new h1(sob, meth));
-}
-
-template<class S, class A1, class A2, class R>
-void rsm::reg(int proc, S*sob, int (S::*meth)(const A1 a1, const A2 a2, R & r)) {
- class h1 : public handler {
-  private:
-    S * sob;
-    int (S::*meth)(const A1 a1, const A2 a2, R & r);
-  public:
-  h1(S *xsob, int (S::*xmeth)(const A1 a1, const A2 a2, R & r))
-    : sob(xsob), meth(xmeth) { }
-    int fn(unmarshall &args, marshall &ret) {
-      A1 a1;
-      A2 a2;
-      R r;
-      args >> a1;
-      args >> a2;
-      VERIFY(args.okdone());
-      int b = (sob->*meth)(a1,a2,r);
-      ret << r;
-      return b;
-    }
-  };
-  reg1(proc, new h1(sob, meth));
-}
-
-template<class S, class A1, class A2, class A3, class R>
-void rsm::reg(int proc, S*sob, int (S::*meth)(const A1 a1, const A2 a2,
-             const A3 a3, R & r)) {
- class h1 : public handler {
-  private:
-    S * sob;
-    int (S::*meth)(const A1 a1, const A2 a2, const A3 a3, R & r);
-  public:
-  h1(S *xsob, int (S::*xmeth)(const A1 a1, const A2 a2, const A3 a3, R & r))
-    : sob(xsob), meth(xmeth) { }
-    int fn(unmarshall &args, marshall &ret) {
-      A1 a1;
-      A2 a2;
-      A3 a3;
-      R r;
-      args >> a1;
-      args >> a2;
-      args >> a3;
-      VERIFY(args.okdone());
-      int b = (sob->*meth)(a1,a2,a3,r);
-      ret << r;
-      return b;
-    }
-  };
-  reg1(proc, new h1(sob, meth));
-}
-
-template<class S, class A1, class A2, class A3, class A4, class R>
-void rsm::reg(int proc, S*sob, int (S::*meth)(const A1 a1, const A2 a2,
-             const A3 a3, const A4 a4, R & r)) {
- class h1 : public handler {
-  private:
-    S * sob;
-    int (S::*meth)(const A1 a1, const A2 a2, const A3 a3, const A4 a4, R & r);
-  public:
-  h1(S *xsob, int (S::*xmeth)(const A1 a1, const A2 a2, const A3 a3,
-            const A4 a4, R & r))
-    : sob(xsob), meth(xmeth) { }
-    int fn(unmarshall &args, marshall &ret) {
-      A1 a1;
-      A2 a2;
-      A3 a3;
-      A4 a4;
-      R r;
-      args >> a1;
-      args >> a2;
-      args >> a3;
-      args >> a4;
-      VERIFY(args.okdone());
-      int b = (sob->*meth)(a1,a2,a3,a4,r);
-      ret << r;
-      return b;
-    }
-  };
-  reg1(proc, new h1(sob, meth));
-}
-
-
-template<class S, class A1, class A2, class A3, class A4, class A5, class R> void
-  rsm::reg(int proc, S*sob, int (S::*meth)(const A1 a1, const A2 a2,
-             const A3 a3, const A4 a4,
-             const A5 a5, R & r))
-{
- class h1 : public handler {
-  private:
-    S * sob;
-    int (S::*meth)(const A1 a1, const A2 a2, const A3 a3, const A4 a4,
-       const A5 a5, R & r);
-  public:
-  h1(S *xsob, int (S::*xmeth)(const A1 a1, const A2 a2, const A3 a3,
-            const A4 a4, const A5 a5, R & r))
-    : sob(xsob), meth(xmeth) { }
-    int fn(unmarshall &args, marshall &ret) {
-      A1 a1;
-      A2 a2;
-      A3 a3;
-      A4 a4;
-      A5 a5;
-      R r;
-      args >> a1;
-      args >> a2;
-      args >> a3;
-      args >> a4;
-      VERIFY(args.okdone());
-      int b = (sob->*meth)(a1,a2,a3,a4,a5,r);
-      ret << r;
-      return b;
-    }
-  };
-  reg1(proc, new h1(sob, meth));
+template<class F, class C> void rsm::reg(int proc, F f, C *c) {
+    reg1(proc, marshalled_func<F>::wrap(f, c));
 }
 
 #endif /* rsm_h */