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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "wasm_app.h"
#include "wa-inc/connection.h"
#include "wa-inc/timer_wasm_app.h"
#include "wa-inc/request.h"
/* User global variable */
static int num = 0;
static user_timer_t g_timer;
static connection_t *g_conn = NULL;
void
on_data1(connection_t *conn, conn_event_type_t type, const char *data,
uint32 len, void *user_data)
{
if (type == CONN_EVENT_TYPE_DATA) {
char message[64] = { 0 };
memcpy(message, data, len);
printf("Client got a message from server -> %s\n", message);
}
else if (type == CONN_EVENT_TYPE_DISCONNECT) {
printf("connection is close by server!\n");
}
else {
printf("error: got unknown event type!!!\n");
}
}
/* Timer callback */
void
timer1_update(user_timer_t timer)
{
char message[64] = { 0 };
/* Reply to server */
snprintf(message, sizeof(message), "Hello %d", num++);
api_send_on_connection(g_conn, message, strlen(message));
}
void
my_close_handler(request_t *request)
{
response_t response[1];
if (g_conn != NULL) {
api_timer_cancel(g_timer);
api_close_connection(g_conn);
}
make_response_for_request(request, response);
set_response(response, DELETED_2_02, 0, NULL, 0);
api_response_send(response);
}
void
on_init()
{
user_timer_t timer;
attr_container_t *args;
char *str = "this is client!";
api_register_resource_handler("/close", my_close_handler);
args = attr_container_create("");
attr_container_set_string(&args, "address", "127.0.0.1");
attr_container_set_uint16(&args, "port", 7777);
g_conn = api_open_connection("TCP", args, on_data1, NULL);
if (g_conn == NULL) {
printf("connect to server fail!\n");
return;
}
printf("connect to server success! handle: %p\n", g_conn);
/* set up a timer */
timer = api_timer_create(1000, true, false, timer1_update);
api_timer_restart(timer, 1000);
}
void
on_destroy()
{
/* real destroy work including killing timer and closing sensor is
accomplished in wasm app library version of on_destroy() */
}
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