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https://issues.apache.org/jira/browse/PROTON-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18009571#comment-18009571
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ASF GitHub Bot commented on PROTON-1442:
----------------------------------------
DreamPearl commented on code in PR #437:
URL: https://github.com/apache/qpid-proton/pull/437#discussion_r2228404612
##########
cpp/examples/tx_send.cpp:
##########
@@ -0,0 +1,164 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include "options.hpp"
+
+#include <proton/connection.hpp>
+#include <proton/container.hpp>
+#include <proton/message.hpp>
+#include <proton/message_id.hpp>
+#include <proton/messaging_handler.hpp>
+#include <proton/types.hpp>
+#include <proton/transaction_handler.hpp>
+
+#include <iostream>
+#include <map>
+#include <string>
+
+#include <atomic>
+#include <chrono>
+#include <thread>
+
+class tx_send : public proton::messaging_handler, proton::transaction_handler {
+ private:
+ proton::sender sender;
+ std::string url;
+ int total;
+ int batch_size;
+ int sent;
+ int batch_index = 0;
+ int current_batch = 0;
+ int committed = 0;
+
+ public:
+ tx_send(const std::string &s, int c, int b):
+ url(s), total(c), batch_size(b), sent(0) {}
+
+ void on_container_start(proton::container &c) override {
+ sender = c.open_sender(url);
+ }
+
+ void on_session_open(proton::session &s) override {
+ std::cout << "New session is open, declaring transaction now..." <<
std::endl;
+ s.declare_transaction(*this);
+ }
+
+ void on_transaction_declare_failed(proton::session s) {
+ std::cout << "Transaction declarion failed" << std::endl;
+ s.connection().close();
+ exit(-1);
+ }
+
+ void on_transaction_commit_failed(proton::session s) {
+ std::cout << "Transaction commit failed!" << std::endl;
+ s.connection().close();
+ exit(-1);
+ }
+
+ void on_transaction_declared(proton::session s) override {
+ std::cout << "Transaction is declared" << std::endl;
+ send();
+ }
+
+ void on_sendable(proton::sender&) override {
+ send();
+ }
+
+ void send() {
+ std::atomic<int> unique_id(10000);
+ proton::session session = sender.session();
+ while (session.txn_is_declared() && sender.credit() &&
+ (committed + current_batch) < total) {
+ proton::message msg;
+ std::map<std::string, int> m;
+ m["sequence"] = committed + current_batch;
+
+ msg.id(std::atomic_fetch_add(&unique_id, 1));
+ msg.body(m);
+ std::cout << "Sending: " << msg << std::endl;
+ session.txn_send(sender, msg);
Review Comment:
Done!
> [c++] Support for transactions
> ------------------------------
>
> Key: PROTON-1442
> URL: https://issues.apache.org/jira/browse/PROTON-1442
> Project: Qpid Proton
> Issue Type: Improvement
> Components: cpp-binding
> Reporter: Radim Kubis
> Assignee: Rakhi Kumari
> Priority: Major
>
> Support for transactions in Qpid Proton C++.
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