#ifndef rpc_h
#define rpc_h
+#include "types.h"
#include <sys/socket.h>
#include <netinet/in.h>
-#include <list>
-#include <map>
-#include <stdio.h>
+#include "rpc_protocol.h"
#include "thr_pool.h"
#include "marshall.h"
+#include "marshall_wrap.h"
#include "connection.h"
-#ifdef DMALLOC
-#include "dmalloc.h"
-#endif
+namespace rpc {
+ static constexpr milliseconds to_max{12000};
+ static constexpr milliseconds to_min{100};
+}
-class rpc_const {
- public:
- static const unsigned int bind = 1; // handler number reserved for bind
- static const int timeout_failure = -1;
- static const int unmarshal_args_failure = -2;
- static const int unmarshal_reply_failure = -3;
- static const int atmostonce_failure = -4;
- static const int oldsrv_failure = -5;
- static const int bind_failure = -6;
- static const int cancel_failure = -7;
-};
+template<class P, class R, class ...Args> struct is_valid_call : false_type {};
+
+template<class S, class R, class ...Args>
+struct is_valid_call<S(R &, Args...), R, Args...> : true_type {};
+
+template<class P, class F> struct is_valid_registration : false_type {};
+
+template<class S, class R, class ...Args>
+struct is_valid_registration<S(R &, typename decay<Args>::type...), S(R &, Args...)> : true_type {};
+
+template<class P, class C, class S, class R, class ...Args>
+struct is_valid_registration<P, S(C::*)(R &, Args...)> : is_valid_registration<P, S(R &, Args...)> {};
// rpc client endpoint.
// manages a xid space per destination socket
// threaded: multiple threads can be sending RPCs,
-class rpcc : public chanmgr {
-
- private:
-
- //manages per rpc info
- struct caller {
- caller(unsigned int xxid, unmarshall *un);
- ~caller();
-
- unsigned int xid;
- unmarshall *un;
- int intret;
- bool done;
- std::mutex m;
- std::condition_variable c;
- };
-
- void get_refconn(connection **ch);
- void update_xid_rep(unsigned int xid);
-
-
- sockaddr_in dst_;
- unsigned int clt_nonce_;
- unsigned int srv_nonce_;
- bool bind_done_;
- unsigned int xid_;
- int lossytest_;
- bool retrans_;
- bool reachable_;
-
- connection *chan_;
-
- std::mutex m_; // protect insert/delete to calls[]
- std::mutex chan_m_;
-
- 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_;
- public:
-
- rpcc(sockaddr_in d, bool retrans=true);
- ~rpcc();
-
- struct TO {
- int to;
- };
- static const TO to_max;
- static const TO to_min;
- static TO to(int x) { TO t; t.to = x; return t;}
-
- unsigned int id() { return clt_nonce_; }
-
- int bind(TO to = to_max);
-
- 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);
-
- bool got_pdu(connection *c, char *b, int sz);
-
-
- template<class R>
- int call_m(unsigned int proc, marshall &req, R & r, TO to);
-
- template<class R>
- int call(unsigned int proc, R & r, TO to = to_max);
- template<class R, class A1>
- int call(unsigned int proc, const A1 & a1, R & r, TO to = to_max);
- template<class R, class A1, class A2>
- int call(unsigned int proc, const A1 & a1, const A2 & a2, R & r,
- TO to = to_max);
- template<class R, class A1, class A2, class A3>
- int call(unsigned int proc, const A1 & a1, const A2 & a2, const A3 & a3,
- R & r, TO to = to_max);
- template<class R, class A1, class A2, class A3, class A4>
- int call(unsigned int proc, const A1 & a1, const A2 & a2, const A3 & a3,
- const A4 & a4, R & r, TO to = to_max);
- template<class R, class A1, class A2, class A3, class A4, class A5>
- int call(unsigned int proc, const A1 & a1, const A2 & a2, const A3 & a3,
- const A4 & a4, const A5 & a5, R & r, TO to = to_max);
- template<class R, class A1, class A2, class A3, class A4, class A5,
- class A6>
- int call(unsigned int proc, const A1 & a1, const A2 & a2, const A3 & a3,
- const A4 & a4, const A5 & a5, const A6 & a6,
- R & r, TO to = to_max);
- template<class R, class A1, class A2, class A3, class A4, class A5,
- class A6, class A7>
- int call(unsigned int proc, const A1 & a1, const A2 & a2, const A3 & a3,
- const A4 & a4, const A5 & a5, const A6 &a6, const A7 &a7,
- R & r, TO to = to_max);
-
-};
-
-template<class R> int
-rpcc::call_m(unsigned int 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) {
- fprintf(stderr, "rpcc::call_m: failed to unmarshall the reply."
- "You are probably calling RPC 0x%x with wrong return "
- "type.\n", proc);
+class rpcc : private connection_delegate {
+ private:
+ using proc_id_t = rpc_protocol::proc_id_t;
+ template <class S>
+ using proc_t = rpc_protocol::proc_t<S>;
+ using nonce_t = rpc_protocol::nonce_t;
+ using xid_t = rpc_protocol::xid_t;
+
+ // manages per rpc info
+ struct caller {
+ caller(xid_t _xid, string *_rep) : xid(_xid), rep(_rep) {}
+
+ int xid;
+ string *rep;
+ int intret;
+ bool done = false;
+ mutex m;
+ cond c;
+ };
+
+ void get_latest_connection(shared_ptr<connection> & ch);
+ void update_xid_rep(xid_t xid, lock & m_lock);
+
+
+ sockaddr_in dst_;
+ nonce_t clt_nonce_;
+ nonce_t srv_nonce_ = 0;
+ bool bind_done_ = false;
+ int lossytest_ = 0;
+ bool reachable_ = true;
+
+ shared_ptr<connection> chan_;
+
+ mutex m_; // protect insert/delete to calls[]
+ mutex chan_m_;
+
+ bool destroy_wait_ = false;
+ cond destroy_wait_c_;
+
+ map<int, caller *> calls_;
+
+ // xid starts with 1 and latest received reply starts with 0
+ xid_t xid_ = 1;
+ list<xid_t> xid_rep_window_ = {0};
+
+ struct request {
+ void clear() { buf.clear(); xid = -1; }
+ bool isvalid() { return xid != -1; }
+ string buf;
+ xid_t xid = -1;
+ };
+ request dup_req_;
+ int xid_rep_done_ = -1;
+
+ int call1(proc_id_t proc, milliseconds to, string & rep, marshall & req);
+
+ template<class R>
+ inline int call_m(proc_id_t proc, milliseconds to, R & r, marshall && req) {
+ string rep;
+ int intret = call1(proc, to, rep, req);
+ if (intret < 0) return intret;
+ unmarshall u(rep, true, r);
+ if (u.okdone() != true) {
+ LOG("rpcc::call_m: failed to unmarshall the reply. You are probably " <<
+ "calling RPC 0x" << hex << proc << " with the wrong return type.");
VERIFY(0);
- return rpc_const::unmarshal_reply_failure;
+ return rpc_protocol::unmarshall_reply_failure;
+ }
+ return intret;
}
- return intret;
-}
-template<class R> int
-rpcc::call(unsigned int proc, R & r, TO to)
-{
- marshall m;
- return call_m(proc, m, r, to);
-}
+ bool got_pdu(const shared_ptr<connection> & c, const string & b);
-template<class R, class A1> int
-rpcc::call(unsigned int proc, const A1 & a1, R & r, TO to)
-{
- marshall m;
- m << a1;
- return call_m(proc, m, r, to);
-}
+ public:
-template<class R, class A1, class A2> int
-rpcc::call(unsigned int proc, const A1 & a1, const A2 & a2,
- R & r, TO to)
-{
- marshall m;
- m << a1;
- m << a2;
- return call_m(proc, m, r, to);
-}
-
-template<class R, class A1, class A2, class A3> int
-rpcc::call(unsigned int proc, const A1 & a1, const A2 & a2,
- const A3 & a3, R & r, TO to)
-{
- marshall m;
- m << a1;
- m << a2;
- m << a3;
- return call_m(proc, m, r, to);
-}
+ rpcc(const string & d);
+ ~rpcc();
-template<class R, class A1, class A2, class A3, class A4> int
-rpcc::call(unsigned int proc, const A1 & a1, const A2 & a2,
- const A3 & a3, const A4 & a4, R & r, TO to)
-{
- marshall m;
- m << a1;
- m << a2;
- m << a3;
- m << a4;
- return call_m(proc, m, r, to);
-}
+ nonce_t id() { return clt_nonce_; }
-template<class R, class A1, class A2, class A3, class A4, class A5> int
-rpcc::call(unsigned int proc, const A1 & a1, const A2 & a2,
- const A3 & a3, const A4 & a4, const A5 & a5, R & r, TO to)
-{
- marshall m;
- m << a1;
- m << a2;
- m << a3;
- m << a4;
- m << a5;
- return call_m(proc, m, r, to);
-}
+ int bind(milliseconds to = rpc::to_max);
-template<class R, class A1, class A2, class A3, class A4, class A5,
- class A6> int
-rpcc::call(unsigned int proc, const A1 & a1, const A2 & a2,
- const A3 & a3, const A4 & a4, const A5 & a5,
- const A6 & a6, R & r, TO to)
-{
- marshall m;
- m << a1;
- m << a2;
- m << a3;
- m << a4;
- m << a5;
- m << a6;
- return call_m(proc, m, r, to);
-}
+ void set_reachable(bool r) { reachable_ = r; }
-template<class R, class A1, class A2, class A3, class A4, class A5,
- class A6, class A7> int
-rpcc::call(unsigned int proc, const A1 & a1, const A2 & a2,
- const A3 & a3, const A4 & a4, const A5 & a5,
- const A6 & a6, const A7 & a7,
- R & r, TO to)
-{
- marshall m;
- m << a1;
- m << a2;
- m << a3;
- m << a4;
- m << a5;
- m << a6;
- m << a7;
- return call_m(proc, m, r, to);
-}
+ void cancel();
-bool operator<(const sockaddr_in &a, const sockaddr_in &b);
+ template<class P, class R, typename ...Args>
+ inline int call(proc_t<P> proc, R & r, const Args & ... args) {
+ return call_timeout(proc, rpc::to_max, r, args...);
+ }
-class handler {
- public:
- handler() { }
- virtual ~handler() { }
- virtual int fn(unmarshall &, marshall &) = 0;
+ template<class P, class R, typename ...Args>
+ inline int call_timeout(proc_t<P> proc, milliseconds to, R & r, const Args & ... args) {
+ static_assert(is_valid_call<P, R, Args...>::value, "RPC called with incorrect argument types");
+ return call_m(proc.id, to, r, forward<marshall>(marshall(args...)));
+ }
};
-
// rpc server endpoint.
-class rpcs : public chanmgr {
-
- typedef enum {
- NEW, // new RPC, not a duplicate
- INPROGRESS, // duplicate of an RPC we're still processing
- DONE, // duplicate of an RPC we already replied to (have reply)
- FORGOTTEN, // duplicate of an old RPC whose reply we've forgotten
- } rpcstate_t;
-
- private:
+class rpcs : private connection_delegate {
+ private:
+ using proc_id_t = rpc_protocol::proc_id_t;
+ template <class S>
+ using proc_t = rpc_protocol::proc_t<S>;
+ using nonce_t = rpc_protocol::nonce_t;
+ using xid_t = rpc_protocol::xid_t;
+
+ typedef enum {
+ NEW, // new RPC, not a duplicate
+ INPROGRESS, // duplicate of an RPC we're still processing
+ DONE, // duplicate of an RPC we already replied to (have reply)
+ FORGOTTEN, // duplicate of an old RPC whose reply we've forgotten
+ } rpcstate_t;
// state about an in-progress or completed RPC, for at-most-once.
// if cb_present is true, then the RPC is complete and a reply
// 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) {
- xid = _xid;
- cb_present = false;
- buf = NULL;
- sz = 0;
- }
- reply_t (unsigned int _xid, char *_buf, int _sz) {
- xid = _xid;
- cb_present = true;
- buf = _buf;
- sz = _sz;
- }
- unsigned int xid;
- bool cb_present; // whether the reply buffer is valid
- char *buf; // the reply buffer
- int sz; // the size of reply buffer
- };
-
- 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.
+ struct reply_t {
+ reply_t (xid_t _xid) : xid(_xid), cb_present(false) {}
+ reply_t (xid_t _xid, const string & _buf) : xid(_xid), cb_present(true), buf(_buf) {}
+ xid_t xid;
+ bool cb_present; // whether the reply buffer is valid
+ string buf; // the reply buffer
+ };
+
+ in_port_t port_;
+ nonce_t 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_;
-
- void free_reply_window(void);
- void add_reply(unsigned int clt_nonce, unsigned int xid, char *b, int sz);
-
- rpcstate_t checkduplicate_and_update(unsigned int clt_nonce,
- unsigned int xid, unsigned int rep_xid,
- char **b, int *sz);
-
- void updatestat(unsigned int proc);
-
- // latest connection to the client
- std::map<unsigned int, connection *> conns_;
-
- // counting
- const int counting_;
- int curr_counts_;
- std::map<int, int> counts_;
-
- int lossytest_;
- bool reachable_;
-
- // map proc # to function
- std::map<int, 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_
-
-
- protected:
-
- struct djob_t {
- djob_t (connection *c, char *b, int bsz):buf(b),sz(bsz),conn(c) {}
- char *buf;
- int sz;
- connection *conn;
- };
- void dispatch(djob_t *);
-
- // internal handler registration
- void reg1(unsigned int proc, handler *);
-
- ThrPool* dispatchpool_;
- tcpsconn* listener_;
-
- public:
- rpcs(unsigned int port, int counts=0);
- ~rpcs();
- inline int port() { return listener_->port(); }
- //RPC handler for clients binding
- int rpcbind(int a, int &r);
-
- void set_reachable(bool r) { reachable_ = r; }
-
- bool got_pdu(connection *c, char *b, int sz);
-
- // register a handler
- template<class S, class A1, class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1 a1, R & r));
- template<class S, class A1, class A2, class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1 a1, const A2,
- R & r));
- template<class S, class A1, class A2, class A3, class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1, const A2,
- const A3, R & r));
- template<class S, class A1, class A2, class A3, class A4, class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1, const A2,
- const A3, const A4, R & r));
- template<class S, class A1, class A2, class A3, class A4, class A5, class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1, const A2,
- const A3, const A4, const A5,
- R & r));
- template<class S, class A1, class A2, class A3, class A4, class A5, class A6,
- class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1, const A2,
- const A3, const A4, const A5,
- const A6, R & r));
- template<class S, class A1, class A2, class A3, class A4, class A5, class A6,
- class A7, class R>
- void reg(unsigned int proc, S*, int (S::*meth)(const A1, const A2,
- const A3, const A4, const A5,
- const A6, const A7,
- R & r));
-};
+ map<nonce_t, list<reply_t>> reply_window_;
-template<class S, class A1, class R> void
-rpcs::reg(unsigned 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;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ void add_reply(nonce_t clt_nonce, xid_t xid, const string & b);
-template<class S, class A1, class A2, class R> void
-rpcs::reg(unsigned 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;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, a2, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ rpcstate_t check_duplicate_and_update(nonce_t clt_nonce, xid_t xid,
+ xid_t rep_xid, string & b);
-template<class S, class A1, class A2, class A3, class R> void
-rpcs::reg(unsigned 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;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, a2, a3, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ // latest connection to the client
+ map<nonce_t, shared_ptr<connection>> conns_;
-template<class S, class A1, class A2, class A3, class A4, class R> void
-rpcs::reg(unsigned 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;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, a2, a3, a4, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ bool reachable_ = true;
-template<class S, class A1, class A2, class A3, class A4, class A5, class R> void
-rpcs::reg(unsigned 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;
- args >> a5;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, a2, a3, a4, a5, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ // map proc # to function
+ map<proc_id_t, handler *> procs_;
-template<class S, class A1, class A2, class A3, class A4, class A5, class A6, class R> void
-rpcs::reg(unsigned int proc, S*sob, int (S::*meth)(const A1 a1, const A2 a2,
- const A3 a3, const A4 a4,
- const A5 a5, const A6 a6,
- 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, const A6 a6, R & r);
- public:
- h1(S *xsob, int (S::*xmeth)(const A1 a1, const A2 a2, const A3 a3,
- const A4 a4, const A5 a5, const A6 a6, R & r))
- : sob(xsob), meth(xmeth) { }
- int fn(unmarshall &args, marshall &ret) {
- A1 a1;
- A2 a2;
- A3 a3;
- A4 a4;
- A5 a5;
- A6 a6;
- R r;
- args >> a1;
- args >> a2;
- args >> a3;
- args >> a4;
- args >> a5;
- args >> a6;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, a2, a3, a4, a5, a6, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ mutex procs_m_; // protect insert/delete to procs[]
+ mutex reply_window_m_; // protect reply window et al
+ mutex conns_m_; // protect conns_
-template<class S, class A1, class A2, class A3, class A4, class A5,
- class A6, class A7, class R> void
-rpcs::reg(unsigned int proc, S*sob, int (S::*meth)(const A1 a1, const A2 a2,
- const A3 a3, const A4 a4,
- const A5 a5, const A6 a6,
- const A7 a7, 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, const A6 a6, const A7 a7, R & r);
- public:
- h1(S *xsob, int (S::*xmeth)(const A1 a1, const A2 a2, const A3 a3,
- const A4 a4, const A5 a5, const A6 a6,
- const A7 a7, R & r))
- : sob(xsob), meth(xmeth) { }
- int fn(unmarshall &args, marshall &ret) {
- A1 a1;
- A2 a2;
- A3 a3;
- A4 a4;
- A5 a5;
- A6 a6;
- A7 a7;
- R r;
- args >> a1;
- args >> a2;
- args >> a3;
- args >> a4;
- args >> a5;
- args >> a6;
- args >> a7;
- if(!args.okdone())
- return rpc_const::unmarshal_args_failure;
- int b = (sob->*meth)(a1, a2, a3, a4, a5, a6, a7, r);
- ret << r;
- return b;
- }
- };
- reg1(proc, new h1(sob, meth));
-}
+ void dispatch(shared_ptr<connection> c, const string & buf);
+
+ unique_ptr<thread_pool> dispatchpool_{new thread_pool(6, false)};
+ unique_ptr<connection_listener> listener_;
+
+ // RPC handler for clients binding
+ rpc_protocol::status rpcbind(nonce_t & r);
+
+ bool got_pdu(const shared_ptr<connection> & c, const string & b);
+ public:
-void make_sockaddr(const char *hostandport, struct sockaddr_in *dst);
-void make_sockaddr(const char *host, const char *port,
- struct sockaddr_in *dst);
+ rpcs(in_port_t port);
+ ~rpcs();
+
+ void set_reachable(bool r) { reachable_ = r; }
+
+ template<class P, class F, class C=void> inline void reg(proc_t<P> proc, F f, C *c=nullptr) {
+ static_assert(is_valid_registration<P, F>::value, "RPC handler registered with incorrect argument types");
+ struct ReturnOnFailure {
+ static inline int unmarshall_args_failure() {
+ return rpc_protocol::unmarshall_args_failure;
+ }
+ };
+ lock pl(procs_m_);
+ VERIFY(procs_.count(proc.id) == 0);
+ procs_[proc.id] = marshalled_func<F, ReturnOnFailure>::wrap(f, c);
+ VERIFY(procs_.count(proc.id) >= 1);
+ }
+
+ void start();
+};
#endif
projects / invirt/third/libt4.git / blobdiff