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Man Pages


Manual Reference Pages  -  LOCALCLIENTSOCKET (3)

NAME

FBB::LocalClientSocket - Client Socket connecting to a Server in the Unix Domain

CONTENTS

SYNOPSIS

#include <bobcat/localclientsocket>
Linking option: -lbobcat

DESCRIPTION

An FBB::LocalClientSocket may be constructed to connect to a server process in the Unix Domain. The socket made available by the FBB:LocalClientSocket 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::LocalClientSocket connects, The std::ostream is used to send information to the server process to which the FBB::LocalClientSocket connects. Since a socket may be considered a file descriptor the avaiable FBB::IFdStream, FBB::IFdStreamBuf, FBB::OFdStream, 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 tailor-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::LocalSocketBase

CONSTRUCTOR

o LocalClientSocket():
This constructor merely creates a FBB::LocalClientSocket object. Before it can be used, its open() member must be called.
o LocalClientSocket(std::string const &name):
This constructor initializes an FBB::LocalClientSocket object, using the named Unix Domain socket to connect to the server using the named Unix Domain socket. An FBB::Exception 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 FUNCTION

o int connect():
This member returns a socket that can be used to communicate with the server process. An FBB::Exception exception is thrown if the connection could not be established.
o open(std::string const &name):
This member function prepares the FBB::LocalClientSocket object, constructed earlier using the default constructor, for use. The named Unix Domain socket is used to connect to the server using the named Unix Domain socket. An FBB::Exception 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() should be used.

EXAMPLE

See also the localserversocket(3bobcat) example.

#include <iostream> #include <bobcat/localclientsocket> #include <bobcat/ifdstream> #include <bobcat/ofdstream> using namespace std; using namespace FBB; int main(int argc, char **argv) try { if (argc == 1) { cerr << \(dqProvide filename representing the unix domain socket\n\(dq; return 1; } LocalClientSocket client(argv[1]); int fd = client.connect(); string line; cout << \(dqConnecting to socket \(dq << fd << endl; IFdStream in(fd); // stream to read from OFdStream out(fd); // stream to write to while (true) { // Ask for a textline, stop if empty / none cout << \(dq? \(dq; if (!getline(cin, line) || line.length() == 0) return 0; cout << \(dqLine read: \(dq << line << endl; // Return the line to the server out << line.c_str() << endl; cout << \(dqwrote line\n\(dq; // Wait for a reply from the server getline(in, line); cout << \(dqAnswer: \(dq << line << endl; } return 0; } catch (Exception const &err) { cerr << err.what() << \(dq\n\(dq << \(dqCan\(cqt connect to \(dq << argv[1] << \(dq, port \(dq << argv[2] << endl; return 1; }

FILES

bobcat/localclientsocket - defines the class interface

SEE ALSO

bobcat(7), ifdstream(3bobcat), ifdstreambuf(3bobcat), clientsocket(3bobcat), localserversocket(3bobcat), localsocketbase(3bobcat), ofdstream(3bobcat), ofdstream(3bobcat)

BUGS

None Reported.

DISTRIBUTION FILES

o bobcat_3.25.01-x.dsc: detached signature;
o bobcat_3.25.01-x.tar.gz: source archive;
o bobcat_3.25.01-x_i386.changes: change log;
o libbobcat1_3.25.01-x_*.deb: debian package holding the libraries;
o libbobcat1-dev_3.25.01-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\(cqs Own Base Classes And Templates\(cq.

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).

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libbobcat-dev_3&.25&.01-x&.tar&.gz FBB::LOCALCLIENTSOCKET (3bobcat) 2005-2015

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