1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3 * DataDifferential Utility Library
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
20 * * The names of its contributors may not be used to endorse or
21 * promote products derived from this software without specific prior
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 #include <arpa/inet.h>
45 #include <sys/socket.h>
47 #include "util/operation.hpp"
51 namespace datadifferential {
57 enum connection_state_t {
59 NEXT_CONNECT_ADDRINFO,
67 std::string _last_error;
75 virtual bool call(const bool, const std::string &)= 0;
80 Instance(const std::string& hostname_arg, const std::string& service_arg);
82 Instance(const std::string& hostname_arg, const in_port_t port_arg);
88 void set_finish(Finish *arg)
93 void push(util::Operation *next)
95 _operations.push_back(next);
101 void free_addrinfo();
103 bool more_to_read() const;
106 std::string _service;
108 connection_state_t state;
109 struct addrinfo *_addrinfo;
110 struct addrinfo *_addrinfo_next;
112 Operation::vector _operations;
115 } /* namespace util */
116 } /* namespace datadifferential */