94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "wasm_app.h"
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/* User global variable */
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static int num = 0;
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static user_timer_t g_timer;
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static connection_t *g_conn = NULL;
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void on_data1(connection_t *conn,
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conn_event_type_t type,
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const char *data,
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uint32 len,
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void *user_data)
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{
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if (type == CONN_EVENT_TYPE_DATA) {
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char message[64] = {0};
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memcpy(message, data, len);
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printf("Client got a message from server -> %s\n", message);
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} else if (type == CONN_EVENT_TYPE_DISCONNECT) {
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printf("connection is close by server!\n");
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} else {
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printf("error: got unknown event type!!!\n");
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}
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}
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/* Timer callback */
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void timer1_update(user_timer_t timer)
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{
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char message[64] = {0};
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/* Reply to server */
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snprintf(message, sizeof(message), "Hello %d", num++);
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api_send_on_connection(g_conn, message, strlen(message));
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}
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void my_close_handler(request_t * request)
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{
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response_t response[1];
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if (g_conn != NULL) {
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api_timer_cancel(g_timer);
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api_close_connection(g_conn);
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}
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make_response_for_request(request, response);
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set_response(response, DELETED_2_02, 0, NULL, 0);
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api_response_send(response);
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}
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void on_init()
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{
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user_timer_t timer;
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attr_container_t *args;
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char *str = "this is client!";
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api_register_resource_handler("/close", my_close_handler);
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args = attr_container_create("");
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attr_container_set_string(&args, "address", "127.0.0.1");
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attr_container_set_uint16(&args, "port", 7777);
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g_conn = api_open_connection("TCP", args, on_data1, NULL);
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if (g_conn == NULL) {
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printf("connect to server fail!\n");
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return;
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}
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printf("connect to server success! handle: %p\n", g_conn);
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/* set up a timer */
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timer = api_timer_create(1000, true, false, timer1_update);
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api_timer_restart(timer, 1000);
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}
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void on_destroy()
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{
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/* real destroy work including killing timer and closing sensor is
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accomplished in wasm app library version of on_destroy() */
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}
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