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--- wiki2:cpp:libraries:boost [2015/07/31 16:31]
alfred [Install]
+++ wiki2:cpp:libraries:boost [2020/05/09 09:25] (actual)
@@ Línea 8: / Línea 8: @@
   * boost_system
   * boost_timer
+  * boost_thread
+===== Asio (networking) =====
-==== Asio (networking) ====
+==== UDP Server ====
+<code cpp>
+#include <boost/bind.hpp>
+#include <boost/asio.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+using namespace boost::asio;
+using namespace boost::posix_time;
+io_service service;
+void handle_connections() {
+    char buff[1024];
+    ip::udp::socket sock(service, ip::udp::endpoint(ip::udp::v4(), 8001));
+    while ( true) {
+        ip::udp::endpoint sender_ep;
+        int bytes = sock.receive_from(buffer(buff), sender_ep);
+        std::string msg(buff, bytes);
+        std::cout << "Received: " << msg << std::endl;
+        sock.send_to(buffer(msg), sender_ep);
+    }
+}
+int main(int argc, char* argv[]) {
+    handle_connections();
+}
+</code>
+==== UDP Client ====
+<code cpp>
+#include <boost/thread.hpp>
+#include <boost/bind.hpp>
+#include <boost/asio.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+using namespace boost::asio;
+io_service service;
+ip::udp::endpoint ep( ip::address::from_string("127.0.0.1"), 8001);
+void sync_echo(std::string msg) {
+    ip::udp::socket sock(service, ip::udp::endpoint(ip::udp::v4(), 0) );
+    sock.send_to(buffer(msg), ep);
+    char buff[1024];
+    ip::udp::endpoint sender_ep;
+    int bytes = sock.receive_from(buffer(buff), sender_ep);
+    std::string copy(buff, bytes);
+    std::cout << "server echoed our " << msg << ": "
+                << (copy == msg ? "OK" : "FAIL") << std::endl;
+    sock.close();
+}
+int main(int argc, char* argv[]) {
+    // connect several clients
+    char* messages[] = { "John says hi", "so does James", "Lucy just got home", 0 };
+    boost::thread_group threads;
+    for ( char ** message = messages; *message; ++message) {
+        threads.create_thread( boost::bind(sync_echo, *message));
+        boost::this_thread::sleep( boost::posix_time::millisec(100));
+    }
+    threads.join_all();
+}
+</code>

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