oceanbase/deps/easy/test/io/easy_client_test.c

/**
 * Copyright (c) 2021 OceanBase
 * OceanBase CE is licensed under Mulan PubL v2.
 * You can use this software according to the terms and conditions of the Mulan PubL v2.
 * You may obtain a copy of Mulan PubL v2 at:
 *          http://license.coscl.org.cn/MulanPubL-2.0
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PubL v2 for more details.
 */

#include "io/easy_client.h"
#include "io/easy_io.h"
#include <easy_test.h>
#include "packet/easy_simple_handler.h"
#include <sys/types.h>
#include <sys/wait.h>

///////////////////////////////////////////////////////////////////////////////////////////////////
easy_io_handler_pt test_thread_4_client2_handler;
easy_addr_t test_thread_4_server2_addr;
static int test_thread_4_server2_process(easy_request_t* r)
{
  easy_simple_packet_t *packet, *request;
  request = (easy_simple_packet_t*)r->ipacket;

  packet = easy_simple_rnew(r, request->len);
  packet->len = request->len;
  packet->chid = request->chid;
  packet->data = &packet->buffer[0];

  if (request->len == 4)
    request->data[3]++;

  memcpy(packet->data, request->data, request->len);
  r->opacket = packet;
  return EASY_OK;
}
static int test_thread_4_server_process(easy_request_t* r)
{
  easy_connection_t* c;
  easy_session_t* s;
  easy_simple_packet_t *packet, *request;
  request = (easy_simple_packet_t*)r->ipacket;

  // send
  c = easy_io_connect_thread(test_thread_4_server2_addr, &test_thread_4_client2_handler, 0, NULL);

  if (c == NULL)
    return EASY_ERROR;

  packet = easy_simple_new(&s, request->len);
  packet->len = request->len;
  packet->chid = request->chid + 10000;
  packet->data = &packet->buffer[0];
  memcpy(packet->data, request->data, request->len);
  easy_session_set_args(s, r);

  if (easy_connection_send_session(c, s) == EASY_ERROR) {
    easy_session_destroy(s);
    return EASY_ERROR;
  }

  return EASY_AGAIN;
}
static int test_thread_4_client2_process(easy_request_t* r)
{
  easy_simple_packet_t *response, *packet;
  easy_request_t* request;
  request = (easy_request_t*)r->args;
  response = (easy_simple_packet_t*)r->ipacket;

  if (!response) {
    easy_request_do_reply(request);
    easy_session_destroy((easy_session_t*)r->ms);
    return EASY_ERROR;
  }

  packet = easy_simple_rnew(request, response->len);
  packet->len = response->len;
  packet->chid = ((easy_simple_packet_t*)request->ipacket)->chid;
  packet->data = &packet->buffer[0];
  memcpy(packet->data, response->data, response->len);
  request->opacket = packet;
  easy_request_do_reply(request);
  easy_session_destroy((easy_session_t*)r->ms);

  return EASY_OK;
}
static int test_thread_4_connect(easy_connection_t* c)
{
  return EASY_OK;
}
static int test_thread_4_disconnect(easy_connection_t* c)
{
  return EASY_OK;
}
static void test_thread_4_server(int fd)
{
  easy_listen_t* l;
  easy_io_handler_pt io_handler, io2_handler;
  int i, port;

  easy_log_level = (easy_log_level_t)0;
  easy_io_create(4);
  memset(&io_handler, 0, sizeof(easy_io_handler_pt));
  io_handler.decode = easy_simple_decode;
  io_handler.encode = easy_simple_encode;
  io_handler.process = test_thread_4_server_process;
  io_handler.get_packet_id = easy_simple_packet_id;
  io_handler.on_connect = test_thread_4_connect;
  io_handler.on_disconnect = test_thread_4_disconnect;
  memcpy(&io2_handler, &io_handler, sizeof(easy_io_handler_pt));
  io2_handler.process = test_thread_4_server2_process;
  memcpy(&test_thread_4_client2_handler, &io_handler, sizeof(easy_io_handler_pt));
  test_thread_4_client2_handler.process = test_thread_4_client2_process;

  port = 2011;

  for (i = 0; i < 10; i++, port++) {
    if ((l = easy_io_add_listen(NULL, port, &io2_handler)) != NULL)
      break;
  }

  test_thread_4_server2_addr = easy_inet_str_to_addr("localhost", port);
  port++;

  for (i = 0; i < 10; i++, port++) {
    if ((l = easy_io_add_listen(NULL, port, &io_handler)) != NULL)
      break;
  }

  easy_io_start();
  i = write(fd, &port, 2);
  easy_io_wait();
  easy_io_destroy();
}
static void* test_thread_4_client_start(void* args)
{
  easy_session_t* s;
  easy_simple_packet_t* p1;
  easy_simple_packet_t* packet;
  static easy_atomic32_t chid = 0;
  easy_io_handler_pt* io_handler = (easy_io_handler_pt*)args;
  int i, cnt, total, port;
  easy_client_wait_t wobj;
  easy_addr_t addr;

  cnt = 0;
  total = 10;
  port = (int)(long)io_handler->user_data;
  addr = easy_inet_str_to_addr("localhost", port);
  i = easy_io_connect(addr, io_handler, 0, NULL);
  EXPECT_TRUE(i == EASY_OK);

  for (i = 0; i < total; i++) {
    if ((packet = easy_simple_new(&s, sizeof(int))) == NULL) {
      EXPECT_TRUE(0);
      break;
    }

    packet->data = &packet->buffer[0];
    packet->len = sizeof(int);
    packet->chid = easy_atomic32_add_return(&chid, 1);
    *((int*)packet->data) = packet->chid + 1;

    easy_client_wait_init(&wobj);
    easy_session_set_wobj(s, &wobj);
    easy_io_dispatch(addr, s);
    easy_client_wait(&wobj, 1);
    p1 = (easy_simple_packet_t*)s->r.ipacket;

    if (p1 == NULL || p1->len != 4) {
      EXPECT_TRUE(0);
    } else {
      port = p1->chid + 1;
      port += 0x01000000;

      if (*((int32_t*)p1->data) != port) {
        EXPECT_TRUE(0);
      } else {
        cnt++;
      }
    }

    easy_client_wait_cleanup(&wobj);
  }

  EXPECT_EQ(cnt, total);

  easy_io_disconnect(addr);

  EXPECT_EQ(cnt, total);
  return (void*)NULL;
}
static void test_thread_4_client(int port)
{
  easy_io_handler_pt io_handler;
  pthread_t tids[4];
  int i;

  easy_log_level = (easy_log_level_t)0;
  easy_io_create(4);
  easy_io_start();

  memset(&io_handler, 0, sizeof(easy_io_handler_pt));
  io_handler.decode = easy_simple_decode;
  io_handler.encode = easy_simple_encode;
  io_handler.process = easy_client_wait_process;
  io_handler.get_packet_id = easy_simple_packet_id;
  io_handler.on_connect = test_thread_4_connect;
  io_handler.user_data = (void*)(long)port;

  for (i = 0; i < 4; i++) {
    pthread_create(&tids[i], NULL, test_thread_4_client_start, &io_handler);
  }

  for (i = 0; i < 4; i++) {
    pthread_join(tids[i], NULL);
  }

  easy_io_stop();
  easy_io_wait();
  easy_io_destroy();
}
TEST(easy_client, thread_4)
{
  int pfd[2];
  pid_t pid1, pid2;
  int ret = 0;
  int port = 0;

  if (pipe(pfd) == -1)
    return;

  // server
  if ((pid1 = fork()) == 0) {
    close(pfd[0]);
    test_thread_4_server(pfd[1]);
    close(pfd[1]);
    exit(easy_test_retval);
  } else {
    close(pfd[1]);
    ret = read(pfd[0], &port, 2);
    close(pfd[0]);
  }

  // client
  if ((pid2 = fork()) == 0) {
    test_thread_4_client(port);
    exit(easy_test_retval);
  }

  waitpid(pid2, &ret, 0);
  EXPECT_EQ(WEXITSTATUS(ret), 0);
  kill(pid1, SIGINT);
  usleep(1000);
  waitpid(pid1, &ret, 0);
  EXPECT_EQ(WEXITSTATUS(ret), 0);
}
void easy_client_send_timeout(int sig)
{
  EXPECT_TRUE(0);
  // exit(-1);
}
TEST(easy_client, send)
{
  easy_io_handler_pt io_handler;
  easy_session_t* s;
  easy_simple_packet_t* packet;
  easy_addr_t addr;

  easy_log_level = (easy_log_level_t)0;
  easy_io_create(4);
  easy_io_start();

  memset(&io_handler, 0, sizeof(easy_io_handler_pt));
  io_handler.decode = easy_simple_decode;
  io_handler.encode = easy_simple_encode;
  io_handler.process = easy_client_wait_process;
  io_handler.get_packet_id = easy_simple_packet_id;
  io_handler.on_connect = test_thread_4_connect;

  if ((packet = easy_simple_new(&s, sizeof(int))) == NULL) {
    EXPECT_TRUE(0);
  }

  packet->data = &packet->buffer[0];
  packet->len = sizeof(int);
  packet->chid = 1;
  addr = easy_inet_str_to_addr("231.0.0.1", 22);
  s->status = EASY_CONNECT_SEND;
  signal(SIGALRM, easy_client_send_timeout);
  alarm(3);
  easy_io_send(addr, s);
  easy_session_destroy(s);
  signal(SIGALRM, SIG_IGN);

  easy_io_stop();
  easy_io_wait();
  easy_io_destroy();
}