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https://github.com/bytecodealliance/wasm-micro-runtime.git
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90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#include "wasm_app.h"
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#include "wa-inc/connection.h"
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#include "wa-inc/timer_wasm_app.h"
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#include "wa-inc/request.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
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on_data1(connection_t *conn, conn_event_type_t type, const char *data,
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uint32 len, 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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}
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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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}
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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
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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
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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
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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
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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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