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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_mem.h>
#include <fluent-bit/flb_parser.h>
#include <fluent-bit/flb_error.h>
#include <fluent-bit/flb_network.h>
#include <fluent-bit/flb_socket.h>
#include <fluent-bit/flb_time.h>
#include <time.h>
#include "flb_tests_internal.h"
#define TEST_HOSTv4 "127.0.0.1"
#define TEST_HOSTv6 "::1"
#define TEST_PORT "41322"
#define TEST_EV_CLIENT MK_EVENT_NOTIFICATION
#define TEST_EV_SERVER MK_EVENT_CUSTOM
static int socket_check_ok(flb_sockfd_t fd)
{
int ret;
int error = 0;
socklen_t len = sizeof(error);
ret = getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len);
if (ret == -1) {
return -1;
}
if (error != 0) {
return -1;
}
return 0;
}
static void test_client_server(int is_ipv6)
{
int ret;
int loops = 0;
int client_OK = FLB_FALSE;
int server_OK = FLB_FALSE;
int family;
char *host;
flb_sockfd_t fd_client;
flb_sockfd_t fd_server;
flb_sockfd_t fd_remote = -1;
struct mk_event e_client = {0};
struct mk_event e_server = {0};
struct mk_event *e_item;
struct mk_event_loop *evl;
if (is_ipv6 == FLB_TRUE) {
family = AF_INET6;
host = TEST_HOSTv6;
}
else {
family = AF_INET;
host = TEST_HOSTv4;
}
/* Create client and server sockets */
fd_client = flb_net_socket_create(family, FLB_TRUE);
if (errno == EAFNOSUPPORT) {
TEST_MSG("This protocol is not supported in this platform");
return;
}
TEST_CHECK(fd_client != -1);
fd_server = flb_net_server(TEST_PORT, host);
TEST_CHECK(fd_server != -1);
/* Create Event loop */
evl = mk_event_loop_create(8);
TEST_CHECK(evl != NULL);
/* Register client/server sockets into the event loop */
MK_EVENT_NEW(&e_client);
ret = mk_event_add(evl, fd_client, TEST_EV_CLIENT, MK_EVENT_WRITE, &e_client);
TEST_CHECK(ret != -1);
MK_EVENT_NEW(&e_server);
ret = mk_event_add(evl, fd_server, TEST_EV_SERVER, MK_EVENT_READ, &e_server);
TEST_CHECK(ret != -1);
/* Test an async connection, we expect -1 */
ret = flb_net_tcp_fd_connect(fd_client, host, atol(TEST_PORT));
TEST_CHECK(ret == -1);
TEST_CHECK(errno == EINPROGRESS);
#ifdef FLB_SYSTEM_MACOS
/* On macOS, its internal timer's is inacccurate without waiting code.
* We need to proceed its timer tick for processing events. */
flb_time_msleep(50);
#endif
/* Event loop */
while (1) {
/* Break immediately for invalid status */
if (fd_client == -1 || fd_server == -1) {
break;
}
mk_event_wait(evl);
mk_event_foreach(e_item, evl) {
if (e_item->type == TEST_EV_CLIENT) {
/* Validate event mask */
TEST_CHECK(e_item->mask & MK_EVENT_WRITE);
/*
* Client socket get a notification, we expect to get a
* successful connection.
*/
ret = socket_check_ok(fd_client);
TEST_CHECK(ret == 0);
client_OK = FLB_TRUE;
}
else if (e_item->type == TEST_EV_SERVER) {
/* Validate event mask */
TEST_CHECK(e_item->mask & MK_EVENT_READ);
/* Accept the incoming connection */
fd_remote = flb_net_accept(fd_server);
TEST_CHECK(fd_remote > 0);
server_OK = FLB_TRUE;
}
loops++;
}
if (client_OK == FLB_TRUE && server_OK == FLB_TRUE) {
break;
}
TEST_CHECK(loops < 2);
if (loops >= 2) {
break;
}
}
mk_event_loop_destroy(evl);
flb_socket_close(fd_client);
flb_socket_close(fd_server);
if (fd_remote > 0) {
flb_socket_close(fd_remote);
}
}
void test_ipv4_client_server()
{
test_client_server(FLB_FALSE);
}
void test_ipv6_client_server()
{
test_client_server(FLB_TRUE);
}
TEST_LIST = {
{ "ipv4_client_server", test_ipv4_client_server},
{ "ipv6_client_server", test_ipv6_client_server},
{ 0 }
};
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