X-Git-Url: http://xvm.mit.edu/gitweb/invirt/third/libt4.git/blobdiff_plain/4e881433f37417ccbda89c09ffdf936855d462d4..03b35a9a1bd1f583e32b27d260b223a0989d6c75:/rpc/connection.h

diff --git a/rpc/connection.h b/rpc/connection.h
index 8f7d494..68bd902 100644
--- a/rpc/connection.h
+++ b/rpc/connection.h
@@ -7,19 +7,18 @@
 #include "poll_mgr.h"
 #include "file.h"
 
-constexpr size_t size_t_max = numeric_limits<size_t>::max();
-
-class thread_exit_exception : exception {};
-
 class connection;
 
 class connection_delegate {
     public:
         virtual bool got_pdu(const shared_ptr<connection> & c, const string & b) = 0;
-        virtual ~connection_delegate() {}
+        virtual ~connection_delegate();
 };
 
-class connection : private aio_callback, public enable_shared_from_this<connection> {
+using std::chrono::steady_clock;
+using time_point = std::chrono::time_point<steady_clock>;
+
+class connection : private aio_callback, public std::enable_shared_from_this<connection> {
     public:
         connection(connection_delegate * delegate, socket_t && f1, int lossytest=0);
         ~connection();
@@ -28,9 +27,9 @@ class connection : private aio_callback, public enable_shared_from_this<connecti
 
         bool send(const string & b);
 
-        static shared_ptr<connection> to_dst(const sockaddr_in &dst, connection_delegate *mgr, int lossy=0);
+        static shared_ptr<connection> to_dst(const sockaddr_in & dst, connection_delegate *mgr, int lossy=0);
 
-        const time_point<steady_clock> create_time = steady_clock::now();
+        const time_point create_time = steady_clock::now();
         const file_t fd;
 
     private:
@@ -43,18 +42,20 @@ class connection : private aio_callback, public enable_shared_from_this<connecti
         connection_delegate * delegate_;
         bool dead_ = false;
 
+        enum charbuf_status_t { unused, inflight, error };
+
         struct charbuf {
+            charbuf_status_t status;
             string buf;
-            size_t solong = 0; // number of bytes written or read so far
+            size_t cursor; // number of bytes written or read so far
         };
 
-        charbuf wpdu_;
-        charbuf rpdu_;
+        charbuf wpdu_ = {unused, "", 0};
+        charbuf rpdu_ = {unused, "", 0};
 
-        int waiters_ = 0;
         int lossy_ = 0;
 
-        mutex m_;
+        std::mutex m_;
         cond send_complete_;
         cond send_wait_;
 };
@@ -69,11 +70,11 @@ class connection_listener : private aio_callback {
         void read_cb(int s);
 
         in_port_t port_;
-        mutex m_;
+        std::mutex m_;
 
         socket_t tcp_; // listens for connections
         connection_delegate * delegate_;
         int lossy_;
-        map<int, shared_ptr<connection>> conns_;
+        std::map<int, shared_ptr<connection>> conns_;
 };
 #endif