X-Git-Url: http://xvm.mit.edu/gitweb/invirt/third/libt4.git/blobdiff_plain/24bebc0ecf83446c7371eff69042322aab34976a..eb3d5c6416c0f0d1cad35e52af3231de7866fea8:/rpc/connection.h diff --git a/rpc/connection.h b/rpc/connection.h index 2a01e46..1bcb7b6 100644 --- a/rpc/connection.h +++ b/rpc/connection.h @@ -2,100 +2,76 @@ #define connection_h #include "types.h" -#include #include #include -#include -#include "pollmgr.h" +#include "poll_mgr.h" +#include "file.h" constexpr size_t size_t_max = numeric_limits::max(); -class thread_exit_exception : exception {}; - class connection; -class chanmgr { +class connection_delegate { public: - virtual bool got_pdu(connection *c, char *b, size_t sz) = 0; - virtual ~chanmgr() {} + virtual bool got_pdu(const shared_ptr & c, const string & b) = 0; + virtual ~connection_delegate(); }; -class connection : public aio_callback { +class connection : private aio_callback, public enable_shared_from_this { public: - struct charbuf { - charbuf(): buf(NULL), sz(0), solong(0) {} - charbuf (char *b, size_t s) : buf(b), sz(s), solong(0){} - char *buf; - size_t sz; - size_t solong; // number of bytes written or read so far - }; - - connection(chanmgr *m1, int f1, int lossytest=0); + connection(connection_delegate * delegate, socket_t && f1, int lossytest=0); ~connection(); - int channo() { return fd_; } - bool isdead(); - void closeconn(); + bool isdead() { return dead_; } - bool send(char *b, size_t sz); - void write_cb(int s); - void read_cb(int s); + bool send(const string & b); + + static shared_ptr to_dst(const sockaddr_in & dst, connection_delegate *mgr, int lossy=0); - void incref(); - void decref(); - int ref() { lock rl(ref_m_); return refno_; } + const time_point create_time = steady_clock::now(); + const file_t fd; - int compare(connection *another); private: + void write_cb(int s); + void read_cb(int s); bool readpdu(); bool writepdu(); - chanmgr *mgr_; - const int fd_; + connection_delegate * delegate_; bool dead_ = false; + struct charbuf { + string buf; + size_t solong = 0; // number of bytes written or read so far + }; + charbuf wpdu_; charbuf rpdu_; - time_point create_time_; - int waiters_ = 0; - int refno_ = 1; - const int lossy_; + int lossy_ = 0; mutex m_; - mutex ref_m_; cond send_complete_; cond send_wait_; }; -class tcpsconn { +class connection_listener : private aio_callback { public: - tcpsconn(chanmgr *m1, unsigned int port, int lossytest=0); - ~tcpsconn(); - inline unsigned int port() { return port_; } - void accept_conn(); + connection_listener(connection_delegate * delegate, in_port_t port, int lossytest=0); + ~connection_listener(); + inline in_port_t port() { return port_; } private: - unsigned int port_; + void write_cb(int) {} + void read_cb(int s); + + in_port_t port_; mutex m_; - thread th_; - int pipe_[2]; - int tcp_; //file desciptor for accepting connection - chanmgr *mgr_; + socket_t tcp_; // listens for connections + connection_delegate * delegate_; int lossy_; - map conns_; - - void process_accept(); -}; - -struct bundle { - bundle(chanmgr *m, int s, int l):mgr(m),tcp(s),lossy(l) {} - chanmgr *mgr; - int tcp; - int lossy; + map> conns_; }; - -connection *connect_to_dst(const sockaddr_in &dst, chanmgr *mgr, int lossy=0); #endif