MOAR TEMPLATE MAGIC

[invirt/third/libt4.git] / rpc / rpc.h

diff --git a/rpc/rpc.h b/rpc/rpc.h
index 245f277..f01af09 100644 (file)
--- a/rpc/rpc.h
+++ b/rpc/rpc.h
@@ -1,20 +1,14 @@
 #ifndef rpc_h
 #define rpc_h
 
 #ifndef rpc_h
 #define rpc_h
 

+#include "types.h"

 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <netinet/in.h>

-#include <list>
-#include <map>
-#include <stdio.h>

 
 #include "thr_pool.h"
 #include "marshall.h"
 #include "connection.h"
 
 
 #include "thr_pool.h"
 #include "marshall.h"
 #include "connection.h"
 

-#ifdef DMALLOC
-#include "dmalloc.h"
-#endif
-

 class rpc_const {
     public:
         static const unsigned int bind = 1;   // handler number reserved for bind
 class rpc_const {
     public:
         static const unsigned int bind = 1;   // handler number reserved for bind

@@ -27,12 +21,6 @@ class rpc_const {
         static const int cancel_failure = -7;
 };
 
         static const int cancel_failure = -7;
 };
 

-struct ReturnOnFailure {
-    static inline int unmarshall_args_failure() {
-        return rpc_const::unmarshal_args_failure;
-    }
-};
-

 // rpc client endpoint.
 // manages a xid space per destination socket
 // threaded: multiple threads can be sending RPCs,
 // rpc client endpoint.
 // manages a xid space per destination socket
 // threaded: multiple threads can be sending RPCs,

@@ -42,53 +30,52 @@ class rpcc : public chanmgr {
 
         //manages per rpc info
         struct caller {
 
         //manages per rpc info
         struct caller {

-            caller(unsigned int xxid, unmarshall *un);
-            ~caller();
+            caller(int _xid, unmarshall *_un) : xid(_xid), un(_un) {}

 
 

-            unsigned int xid;
+            int xid;

             unmarshall *un;
             int intret;
             unmarshall *un;
             int intret;

-            bool done;
-            std::mutex m;
-            std::condition_variable c;
+            bool done = false;
+            mutex m;
+            cond c;

         };
 
         void get_refconn(connection **ch);
         };
 
         void get_refconn(connection **ch);

-        void update_xid_rep(unsigned int xid);
+        void update_xid_rep(int xid);

 
 
         sockaddr_in dst_;
         unsigned int clt_nonce_;
         unsigned int srv_nonce_;
         bool bind_done_;
 
 
         sockaddr_in dst_;
         unsigned int clt_nonce_;
         unsigned int srv_nonce_;
         bool bind_done_;

-        unsigned int xid_;
+        int xid_;

         int lossytest_;
         bool retrans_;
         bool reachable_;
 
         connection *chan_;
 
         int lossytest_;
         bool retrans_;
         bool reachable_;
 
         connection *chan_;
 

-        std::mutex m_; // protect insert/delete to calls[]
-        std::mutex chan_m_;
+        mutex m_; // protect insert/delete to calls[]
+        mutex chan_m_;

 
         bool destroy_wait_;
 
         bool destroy_wait_;

-        std::condition_variable destroy_wait_c_;
-
-        std::map<int, caller *> calls_;
-        std::list<unsigned int> xid_rep_window_;
-                
-                struct request {
-                    request() { clear(); }
-                    void clear() { buf.clear(); xid = -1; }
-                    bool isvalid() { return xid != -1; }
-                    std::string buf;
-                    int xid;
-                };
-                struct request dup_req_;
-                int xid_rep_done_;
+        cond destroy_wait_c_;
+
+        map<int, caller *> calls_;
+        list<int> xid_rep_window_;
+
+        struct request {
+            request() { clear(); }
+            void clear() { buf.clear(); xid = -1; }
+            bool isvalid() { return xid != -1; }
+            string buf;
+            int xid;
+        };
+        struct request dup_req_;
+        int xid_rep_done_;

     public:
 
     public:
 

-        rpcc(sockaddr_in d, bool retrans=true);
+        rpcc(const string & d, bool retrans=true);

         ~rpcc();
 
         struct TO {
         ~rpcc();
 
         struct TO {

@@ -105,36 +92,34 @@ class rpcc : public chanmgr {
         void set_reachable(bool r) { reachable_ = r; }
 
         void cancel();
         void set_reachable(bool r) { reachable_ = r; }
 
         void cancel();

-                
-                int islossy() { return lossytest_ > 0; }

 
 

-        int call1(unsigned int proc, 
-                marshall &req, unmarshall &rep, TO to);
+        int islossy() { return lossytest_ > 0; }

 
 

-        bool got_pdu(connection *c, char *b, int sz);
+        int call1(proc_t proc, 
+                marshall &req, unmarshall &rep, TO to);

 
 

+        bool got_pdu(connection *c, char *b, size_t sz);

 
         template<class R>
 
         template<class R>

-            int call_m(unsigned int proc, marshall &req, R & r, TO to);
+            int call_m(proc_t proc, marshall &req, R & r, TO to);

 
         template<class R, typename ...Args>
 
         template<class R, typename ...Args>

-            inline int call(unsigned int proc, R & r, const Args&... args);
+            inline int call(proc_t proc, R & r, const Args&... args);

 
         template<class R, typename ...Args>
 
         template<class R, typename ...Args>

-            inline int call_timeout(unsigned int proc, TO to, R & r, const Args&... args);
+            inline int call_timeout(proc_t proc, TO to, R & r, const Args&... args);

 };
 
 template<class R> int 
 };
 
 template<class R> int 

-rpcc::call_m(unsigned int proc, marshall &req, R & r, TO to) 
+rpcc::call_m(proc_t proc, marshall &req, R & r, TO to) 

 {
     unmarshall u;
     int intret = call1(proc, req, u, to);
     if (intret < 0) return intret;
     u >> r;
     if (u.okdone() != true) {
 {
     unmarshall u;
     int intret = call1(proc, req, u, to);
     if (intret < 0) return intret;
     u >> r;
     if (u.okdone() != true) {

-        fprintf(stderr, "rpcc::call_m: failed to unmarshall the reply."
-                "You are probably calling RPC 0x%x with wrong return "
-                "type.\n", proc);
+        cerr << "rpcc::call_m: failed to unmarshall the reply.  You are probably " <<
+                "calling RPC 0x" << hex << proc << " with the wrong return type." << endl;

         VERIFY(0);
         return rpc_const::unmarshal_reply_failure;
     }
         VERIFY(0);
         return rpc_const::unmarshal_reply_failure;
     }

@@ -142,13 +127,13 @@ rpcc::call_m(unsigned int proc, marshall &req, R & r, TO to)
 }
 
 template<class R, typename... Args> inline int
 }
 
 template<class R, typename... Args> inline int

-rpcc::call(unsigned int proc, R & r, const Args&... args)
+rpcc::call(proc_t proc, R & r, const Args&... args)

 {
     return call_timeout(proc, rpcc::to_max, r, args...);
 }
 
 template<class R, typename... Args> inline int
 {
     return call_timeout(proc, rpcc::to_max, r, args...);
 }
 
 template<class R, typename... Args> inline int

-rpcc::call_timeout(unsigned int proc, const rpcc::TO to, R & r, const Args&... args)
+rpcc::call_timeout(proc_t proc, const rpcc::TO to, R & r, const Args&... args)

 {
     marshall m{args...};
     return call_m(proc, m, r, to);
 {
     marshall m{args...};
     return call_m(proc, m, r, to);

@@ -173,97 +158,102 @@ class rpcs : public chanmgr {
         // has been sent; in that case buf points to a copy of the reply,
         // and sz holds the size of the reply.
     struct reply_t {
         // has been sent; in that case buf points to a copy of the reply,
         // and sz holds the size of the reply.
     struct reply_t {

-        reply_t (unsigned int _xid) {
+        reply_t (int _xid) {

             xid = _xid;
             cb_present = false;
             buf = NULL;
             sz = 0;
         }
             xid = _xid;
             cb_present = false;
             buf = NULL;
             sz = 0;
         }

-        reply_t (unsigned int _xid, char *_buf, int _sz) {
+        reply_t (int _xid, char *_buf, size_t _sz) {

             xid = _xid;
             cb_present = true;
             buf = _buf;
             sz = _sz;
         }
             xid = _xid;
             cb_present = true;
             buf = _buf;
             sz = _sz;
         }

-        unsigned int xid;
+        int xid;

         bool cb_present; // whether the reply buffer is valid
         char *buf;      // the reply buffer
         bool cb_present; // whether the reply buffer is valid
         char *buf;      // the reply buffer

-        int sz;         // the size of reply buffer
+        size_t sz;         // the size of reply buffer

     };
 
     };
 

-    int port_;
+    unsigned int port_;

     unsigned int nonce_;
 
     // provide at most once semantics by maintaining a window of replies
     // per client that that client hasn't acknowledged receiving yet.
         // indexed by client nonce.
     unsigned int nonce_;
 
     // provide at most once semantics by maintaining a window of replies
     // per client that that client hasn't acknowledged receiving yet.
         // indexed by client nonce.

-    std::map<unsigned int, std::list<reply_t> > reply_window_;
+    map<unsigned int, list<reply_t> > reply_window_;

 
     void free_reply_window(void);
 
     void free_reply_window(void);

-    void add_reply(unsigned int clt_nonce, unsigned int xid, char *b, int sz);
+    void add_reply(unsigned int clt_nonce, int xid, char *b, size_t sz);

 
     rpcstate_t checkduplicate_and_update(unsigned int clt_nonce, 
 
     rpcstate_t checkduplicate_and_update(unsigned int clt_nonce, 

-            unsigned int xid, unsigned int rep_xid,
-            char **b, int *sz);
+            int xid, int rep_xid,
+            char **b, size_t *sz);

 
 

-    void updatestat(unsigned int proc);
+    void updatestat(proc_t proc);

 
     // latest connection to the client
 
     // latest connection to the client

-    std::map<unsigned int, connection *> conns_;
+    map<unsigned int, connection *> conns_;

 
     // counting
 
     // counting

-    const int counting_;
-    int curr_counts_;
-    std::map<int, int> counts_;
+    const size_t counting_;
+    size_t curr_counts_;
+    map<proc_t, size_t> counts_;

 
     int lossytest_; 
     bool reachable_;
 
     // map proc # to function
 
     int lossytest_; 
     bool reachable_;
 
     // map proc # to function

-    std::map<int, handler *> procs_;
+    map<proc_t, handler *> procs_;

 
 

-    std::mutex procs_m_; // protect insert/delete to procs[]
-    std::mutex count_m_;  //protect modification of counts
-    std::mutex reply_window_m_; // protect reply window et al
-    std::mutex conss_m_; // protect conns_
+    mutex procs_m_; // protect insert/delete to procs[]
+    mutex count_m_;  //protect modification of counts
+    mutex reply_window_m_; // protect reply window et al
+    mutex conss_m_; // protect conns_

 
 
     protected:
 
     struct djob_t {
 
 
     protected:
 
     struct djob_t {

-        djob_t (connection *c, char *b, int bsz):buf(b),sz(bsz),conn(c) {}
+        djob_t (connection *c, char *b, size_t bsz):buf(b),sz(bsz),conn(c) {}

         char *buf;
         char *buf;

-        int sz;
+        size_t sz;

         connection *conn;
     };
     void dispatch(djob_t *);
 
     // internal handler registration
         connection *conn;
     };
     void dispatch(djob_t *);
 
     // internal handler registration

-    void reg1(unsigned int proc, handler *);
+    void reg1(proc_t proc, handler *);

 
     ThrPool* dispatchpool_;
     tcpsconn* listener_;
 
     public:
 
     ThrPool* dispatchpool_;
     tcpsconn* listener_;
 
     public:

-    rpcs(unsigned int port, int counts=0);
+    rpcs(unsigned int port, size_t counts=0);

     ~rpcs();
     ~rpcs();

-    inline int port() { return listener_->port(); }
+    inline unsigned int port() { return listener_->port(); }

     //RPC handler for clients binding
     //RPC handler for clients binding

-    int rpcbind(int &r, int a);
+    int rpcbind(unsigned int &r, int a);

 
     void set_reachable(bool r) { reachable_ = r; }
 
 
     void set_reachable(bool r) { reachable_ = r; }
 

-    bool got_pdu(connection *c, char *b, int sz);
+    bool got_pdu(connection *c, char *b, size_t sz);
+
+    template<class F, class C=void> void reg(proc_t proc, F f, C *c=nullptr);
+};

 
 

-    template<class F, class C=void> void reg(unsigned int proc, F f, C *c=nullptr);
+struct ReturnOnFailure {
+    static inline int unmarshall_args_failure() {
+        return rpc_const::unmarshal_args_failure;
+    }

 };
 
 };
 

-template<class F, class C> void rpcs::reg(unsigned int proc, F f, C *c) {
-    reg1(proc, marshalled_func<F, F, ReturnOnFailure>::wrap(f, c));
+template<class F, class C> void rpcs::reg(proc_t proc, F f, C *c) {
+    reg1(proc, marshalled_func<F, ReturnOnFailure>::wrap(f, c));

 }
 
 }
 

-void make_sockaddr(const char *hostandport, struct sockaddr_in *dst);
-void make_sockaddr(const char *host, const char *port,
-        struct sockaddr_in *dst);
+sockaddr_in make_sockaddr(const string &hostandport);
+sockaddr_in make_sockaddr(const string &host, const string &port);

 
 #endif
 
 #endif