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clientsocket(3bobcat) [xfree86 man page]

FBB::ClientSocket(3bobcat)					   Client Socket					FBB::ClientSocket(3bobcat)

NAME
FBB::ClientSocket - Client Socket connecting to a Server in the Internet SYNOPSIS
#include <bobcat/clientsocket> Linking option: -lbobcat DESCRIPTION
An FBB::ClientSocket may be constructed to connect to some server process in the internet. The socket made available by the FBB:ClientSocket may be used to initialize a std::istream and/or std::ostream. The std::istream is used to read information from the server process to which the FBB::ClientSocket connects, The std::ostream is used to send information to the server process to which the FBB::ClientSocket connects. Since a socket may be considered a file descriptor the avaiable FBB::IFdStream, FBB::IFdStreamBuf, FBB::OFd- Stream, and FBB::OFdStreamBuf classes may be used profitably here. Note that having available a socket does not mean that this defines the communication protocol. It is (still) the responsibility of the programmer to comply with an existing protocol or to implement a tai- lor-made protocol. The latter situation implies that the sequence of input- and output operations is defined by the programmer. NAMESPACE
FBB All constructors, members, operators and manipulators, mentioned in this man-page, are defined in the namespace FBB. INHERITS FROM
FBB::SocketBase CONSTRUCTOR
o ClientSocket(std::string const &host, uint16_t port): This constructor initializes an FBB::ClientSocket object, preparing it for a connection to the specified port at the given host. An FBB::Errno is thrown if the socket could not be constructed. The construction of the socket does not mean that a connection has actually been established. In order to connect to the server, the member connect() (see below) should be used. The copy constructor is not available. MEMBER FUNCTIONS
All members of FBB::SocketBase (and thus of FBB::InetAddress) are available, as FBB::ClientSocket inherits from these classes. o int connect(): This member returns a socket that can be used to communicate with the server process. An FBB::Errno exception is thrown if the con- nection could not be established or if the SocketBase base class could not properly be constructed. EXAMPLE
See also the serversocket(3bobcat) example. #include <iostream> #include <bobcat/clientsocket> #include <bobcat/ifdstream> #include <bobcat/ofdstream> #include <bobcat/a2x> using namespace std; using namespace FBB; int main(int argc, char **argv) try { if (argc == 1) { cerr << "Provide servername and port number "; return 1; } size_t port = A2x(argv[2]); ClientSocket client(argv[1], port); int fd = client.connect(); string line; cout << "Connecting to socket " << fd << endl << "address = " << client.dottedDecimalAddress() << ", " << endl << "communication through port " << client.port() << endl; IFdStream in(fd); // stream to read from OFdStream out(fd); // stream to write to while (true) { // Ask for a textline, stop if cout << "? "; // empty / none if (!getline(cin, line) || line.length() == 0) return 0; cout << "Line read: " << line << endl; // Return the line to the server out << line.c_str() << endl; cout << "wrote line "; getline(in, line); // Wait for a reply from the server cout << "Answer: " << line << endl; } return 0; } catch (Errno const &err) { cerr << err.what() << " " << "Can't connect to " << argv[1] << ", port " << argv[2] << endl; return 1; } FILES
bobcat/clientsocket - defines the class interface SEE ALSO
bobcat(7), ifdstream(3bobcat), ifdstreambuf(3bobcat), inetaddress(3bobcat), localclientsocket(3bobcat), ofdstream(3bobcat), ofdstream(3bob- cat), serversocket(3bobcat), socketbase(3bobcat) BUGS
None Reported. DISTRIBUTION FILES
o bobcat_3.01.00-x.dsc: detached signature; o bobcat_3.01.00-x.tar.gz: source archive; o bobcat_3.01.00-x_i386.changes: change log; o libbobcat1_3.01.00-x_*.deb: debian package holding the libraries; o libbobcat1-dev_3.01.00-x_*.deb: debian package holding the libraries, headers and manual pages; o http://sourceforge.net/projects/bobcat: public archive location; BOBCAT
Bobcat is an acronym of `Brokken's Own Base Classes And Templates'. COPYRIGHT
This is free software, distributed under the terms of the GNU General Public License (GPL). AUTHOR
Frank B. Brokken (f.b.brokken@rug.nl). libbobcat1-dev_3.01.00-x.tar.gz 2005-2012 FBB::ClientSocket(3bobcat)

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