initial commit

third_party/libhv/examples/mqtt/mqtt_client_test.cpp

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+/*
+ * mqtt client
+ *
+ * @build   make examples
+ *
+ * @test    bin/mqtt_client_test 127.0.0.1 1883 topic payload
+ *
+ */
+
+#include "mqtt_client.h"
+using namespace hv;
+
+/*
+ * @test    MQTTS
+ * #define  TEST_SSL 1
+ *
+ * @build   ./configure --with-mqtt --with-openssl && make clean && make
+ *
+ */
+#define TEST_SSL        0
+#define TEST_AUTH       0
+#define TEST_RECONNECT  1
+#define TEST_QOS        0
+
+int main(int argc, char** argv) {
+    if (argc < 5) {
+        printf("Usage: %s host port topic payload\n", argv[0]);
+        return -10;
+    }
+    const char* host = argv[1];
+    int port = atoi(argv[2]);
+    const char* topic = argv[3];
+    const char* payload = argv[4];
+
+    MqttClient cli;
+
+    cli.onConnect = [topic, payload](MqttClient* cli) {
+        printf("connected!\n");
+#if TEST_QOS
+        cli->subscribe(topic, 1, [topic, payload](MqttClient* cli) {
+            printf("subscribe OK!\n");
+            cli->publish(topic, payload, 1, 0, [](MqttClient* cli) {
+                printf("publish OK!\n");
+            });
+        });
+#else
+        cli->subscribe(topic);
+        cli->publish(topic, payload);
+#endif
+    };
+
+    cli.onMessage = [](MqttClient* cli, mqtt_message_t* msg) {
+        printf("topic: %.*s\n", msg->topic_len, msg->topic);
+        printf("payload: %.*s\n", msg->payload_len, msg->payload);
+        cli->disconnect();
+        cli->stop();
+    };
+
+    cli.onClose = [](MqttClient* cli) {
+        printf("disconnected!\n");
+    };
+
+#if TEST_AUTH
+    cli.setAuth("test", "123456");
+#endif
+
+#if TEST_RECONNECT
+    reconn_setting_t reconn;
+    reconn_setting_init(&reconn);
+    reconn.min_delay = 1000;
+    reconn.max_delay = 10000;
+    reconn.delay_policy = 2;
+    cli.setReconnect(&reconn);
+#endif
+
+    cli.setPingInterval(10);
+
+    int ssl = 0;
+#if TEST_SSL
+    ssl = 1;
+#endif
+    cli.connect(host, port, ssl);
+    cli.run();
+    return 0;
+}