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/*
* Copyright 2008, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Connection_h
#define Connection_h
#include <unistd.h>
#include <sys/socket.h>
namespace android {
namespace WDS {
class Socket {
public:
Socket(): m_fd(-1) {}
Socket(int fd): m_fd(fd) {}
~Socket() {
if (m_fd != -1) {
shutdown(m_fd, SHUT_RDWR);
close(m_fd);
}
}
// Open a new socket using PF_INET and SOCK_STREAM
bool open();
int fd() const { return m_fd; }
private:
int m_fd;
};
class Connection {
public:
Connection(int conn): m_socket(conn) {}
int read(char buf[], size_t length) const {
return recv(m_socket.fd(), buf, length, 0);
}
int write(const char buf[], size_t length) const {
return send(m_socket.fd(), buf, length, 0);
}
int write(const char buf[]) const {
return write(buf, strlen(buf));
}
private:
Socket m_socket;
};
class ConnectionServer {
public:
ConnectionServer() {}
// Establish a connection to the local host on the given port.
bool connect(short port);
// Blocks on the established socket until a new connection arrives.
Connection* accept() const;
private:
Socket m_socket;
};
} // end namespace WDS
} // end namespace android
#endif
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