#ifndef connection_h
-#define connection_h 1
+#define connection_h
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <cstddef>
+#include <thread>
#include <map>
+#include <limits>
#include "pollmgr.h"
+constexpr size_t size_t_max = std::numeric_limits<size_t>::max();
+
+class thread_exit_exception : std::exception {
+};
+
class connection;
class chanmgr {
- public:
- virtual bool got_pdu(connection *c, char *b, int sz) = 0;
- virtual ~chanmgr() {}
+ public:
+ virtual bool got_pdu(connection *c, char *b, size_t sz) = 0;
+ virtual ~chanmgr() {}
};
class connection : public aio_callback {
- public:
- struct charbuf {
- charbuf(): buf(NULL), sz(0), solong(0) {}
- charbuf (char *b, int s) : buf(b), sz(s), solong(0){}
- char *buf;
- int sz;
- int solong; //amount of bytes written or read so far
- };
-
- connection(chanmgr *m1, int f1, int lossytest=0);
- ~connection();
-
- int channo() { return fd_; }
- bool isdead();
- void closeconn();
-
- bool send(char *b, int sz);
- void write_cb(int s);
- void read_cb(int s);
-
- void incref();
- void decref();
- int ref();
-
- int compare(connection *another);
- private:
-
- bool readpdu();
- bool writepdu();
-
- chanmgr *mgr_;
- const int fd_;
- bool dead_;
-
- charbuf wpdu_;
- charbuf rpdu_;
-
- struct timeval create_time_;
-
- int waiters_;
- int refno_;
- const int lossy_;
-
- pthread_mutex_t m_;
- pthread_mutex_t ref_m_;
- pthread_cond_t send_complete_;
- pthread_cond_t send_wait_;
+ 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();
+
+ int channo() { return fd_; }
+ bool isdead();
+ void closeconn();
+
+ bool send(char *b, size_t sz);
+ void write_cb(int s);
+ void read_cb(int s);
+
+ void incref();
+ void decref();
+ int ref();
+
+ int compare(connection *another);
+ private:
+
+ bool readpdu();
+ bool writepdu();
+
+ chanmgr *mgr_;
+ const int fd_;
+ bool dead_;
+
+ charbuf wpdu_;
+ charbuf rpdu_;
+
+ std::chrono::time_point<std::chrono::steady_clock> create_time_;
+
+ int waiters_;
+ int refno_;
+ const int lossy_;
+
+ std::mutex m_;
+ std::mutex ref_m_;
+ std::condition_variable send_complete_;
+ std::condition_variable send_wait_;
};
class tcpsconn {
- public:
- tcpsconn(chanmgr *m1, int port, int lossytest=0);
- ~tcpsconn();
- inline int port() { return port_; }
- void accept_conn();
- private:
- int port_;
- pthread_mutex_t m_;
- pthread_t th_;
- int pipe_[2];
-
- int tcp_; //file desciptor for accepting connection
- chanmgr *mgr_;
- int lossy_;
- std::map<int, connection *> conns_;
-
- void process_accept();
+ public:
+ tcpsconn(chanmgr *m1, unsigned int port, int lossytest=0);
+ ~tcpsconn();
+ inline unsigned int port() { return port_; }
+ void accept_conn();
+ private:
+ unsigned int port_;
+ std::mutex m_;
+ std::thread th_;
+ int pipe_[2];
+
+ int tcp_; //file desciptor for accepting connection
+ chanmgr *mgr_;
+ int lossy_;
+ std::map<int, connection *> 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;
+ bundle(chanmgr *m, int s, int l):mgr(m),tcp(s),lossy(l) {}
+ chanmgr *mgr;
+ int tcp;
+ int lossy;
};
-void start_accept_thread(chanmgr *mgr, int port, pthread_t *th, int *fd = NULL, int lossy=0);
connection *connect_to_dst(const sockaddr_in &dst, chanmgr *mgr, int lossy=0);
#endif