From a08a72dd082e5e62f0d043c71ea7d9b6fb80b57e Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Mon, 7 Dec 2009 21:06:54 +0100 Subject: chat example added --- examples/chat/display.cpp | 50 ++++++++++++++++++++++++++++++++++++++ examples/chat/prompt.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++ src/fd_signaler.cpp | 2 +- 3 files changed, 113 insertions(+), 1 deletion(-) create mode 100755 examples/chat/display.cpp create mode 100644 examples/chat/prompt.cpp diff --git a/examples/chat/display.cpp b/examples/chat/display.cpp new file mode 100755 index 0000000..d04e90b --- /dev/null +++ b/examples/chat/display.cpp @@ -0,0 +1,50 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include +#include +#include +#include + +int main (int argc, const char *argv []) +{ + // Check the command line syntax. + if (argc != 2) { + fprintf (stderr, "usage: display
\n"); + return 1; + } + + // Retrieve command line arguments + const char *address = argv [1]; + + // Initialise 0MQ infrastructure. + zmq::context_t ctx (1, 1); + zmq::socket_t s (ctx, ZMQ_SUB); + s.setsockopt (ZMQ_SUBSCRIBE, "*", 1); + s.connect (address); + + while (true) { + + // Get a message and print it to the console. + zmq::message_t msg; + s.recv (&msg); + fprintf (stdout, "%s", (char*) msg.data ()); + fflush (stdout); + } +} diff --git a/examples/chat/prompt.cpp b/examples/chat/prompt.cpp new file mode 100644 index 0000000..6132d63 --- /dev/null +++ b/examples/chat/prompt.cpp @@ -0,0 +1,62 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include +#include +#include +#include + +int main (int argc, const char *argv []) +{ + // Check the command line syntax. + if (argc != 3) { + fprintf (stderr, "usage: prompt
\n"); + return 1; + } + + // Retrieve command line arguments + const char *address = argv [1]; + const char *username = argv [2]; + + // Initialise 0MQ infrastructure. + zmq::context_t ctx (1, 1); + zmq::socket_t s (ctx, ZMQ_PUB); + s.connect (address); + + // Prepare a message buffer. Place username at the beginning + // of the message. + char textbuf [1024]; + snprintf (textbuf, sizeof (textbuf), "%s: ", username); + size_t prefixsz = strlen (textbuf); + char *text = textbuf + prefixsz; + + while (true) { + + // Let user type the enter the message text. + char *rcc = fgets (text, sizeof (textbuf) - prefixsz, stdin); + assert (rcc); + + // Create the message (terminating zero is part of the message). + zmq::message_t msg (strlen (textbuf) + 1); + memcpy (msg.data (), textbuf, msg.size ()); + + // Send the message + s.send (msg); + } +} diff --git a/src/fd_signaler.cpp b/src/fd_signaler.cpp index a10872d..5a8dcc1 100644 --- a/src/fd_signaler.cpp +++ b/src/fd_signaler.cpp @@ -81,7 +81,7 @@ uint64_t zmq::fd_signaler_t::poll () if (sz == -1) { if (errno == EAGAIN || errno == EINTR) continue; - zmq_assert (false); + errno_assert (false); } break; } -- cgit v1.2.3