fix: port

src/kit/taosnetwork/client.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <arpa/inet.h>
 #include <errno.h>
@@ -80,12 +94,6 @@ void *checkUPort(void *sarg) {
   serverAddr.sin_addr.s_addr = inet_addr(host);
 
   printf("=================================\n");
-  // if (connect(clientSocket, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) < 0) {
-  //   perror("connect");
-  //   return NULL;
-  // }
-
-  // printf("Connect to: %s:%d...success\n", host, port);
 
   sprintf(sendbuf, "send msg port_%d by udp", port);
 
@@ -108,21 +116,21 @@ void *checkUPort(void *sarg) {
 int main() {
   int   port = 6020;
   char *host = "127.0.0.1";
-  info *infos = malloc(10 * sizeof(info));
-  info *uinfos = malloc(10 * sizeof(info));
+  info *tinfo = malloc(sizeof(info));
+  info *uinfo = malloc(sizeof(info));
 
-  for (size_t i = 0; i < 10; i++) {
+  for (size_t i = 0; i < 30; i++) {
     port++;
     printf("For test: %s:%d\n", host, port);
 
-    info *pinfo = infos++;
-    *pinfo->host = host;
-    pinfo->port = port;
-    checkPort(pinfo);
+    *tinfo->host = host;
+    tinfo->port = port;
+    checkPort(tinfo);
 
-    info *uinfo = uinfos++;
     *uinfo->host = host;
     uinfo->port = port;
     checkUPort(uinfo);
   }
+  free(tinfo);
+  free(uinfo);
 }
\ No newline at end of file

src/kit/taosnetwork/server.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <arpa/inet.h>
 #include <errno.h>
@@ -158,11 +172,11 @@ static void *bindUPort(void *sarg) {
 
 int main() {
   int        port = 6020;
-  pthread_t *pids = malloc(20 * sizeof(pthread_t));
-  info *     infos = malloc(10 * sizeof(info));
-  info *     uinfos = malloc(10 * sizeof(info));
+  pthread_t *pids = malloc(60 * sizeof(pthread_t));
+  info *     infos = malloc(30 * sizeof(info));
+  info *     uinfos = malloc(30 * sizeof(info));
 
-  for (size_t i = 0; i < 10; i++) {
+  for (size_t i = 0; i < 30; i++) {
     port++;
 
     info *pinfo = infos++;
@@ -177,13 +191,13 @@ int main() {
     info *uinfo = uinfos++;
     uinfo->port = port;
     uinfo->type = 1;
-    if (pthread_create(pids + 10 + i, NULL, bindUPort, uinfo) != 0)  //创建线程
+    if (pthread_create(pids + 30 + i, NULL, bindUPort, uinfo) != 0)  //创建线程
     {                                                                //创建线程失败
       printf("创建线程失败: %d.\n", port);
       exit(0);
     }
   }
-  for (int i = 0; i < 10; i++) {
+  for (int i = 0; i < 30; i++) {
     pthread_join(pids[i], NULL);
     pthread_join(pids[(10 + i)], NULL);
   }

src/kit/taosnetwork/taosnetwork_client.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#define SERVER_PORT 8000
+#define SIZE 200
+
+int main() {
+  struct sockaddr_in servaddr, cliaddr;
+  socklen_t          cliaddr_len;
+  int                client_sockfd;
+  char               buf[SIZE];
+  char               recvbuf[SIZE];
+
+  int i, n, flag = 0;
+
+  int len, iDataNum;
+
+  client_sockfd = socket(AF_INET, SOCK_STREAM, 0);
+  bzero(&servaddr, sizeof(servaddr));
+  servaddr.sin_family = AF_INET;
+  servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+  servaddr.sin_port = htons(SERVER_PORT);
+
+  if (connect(client_sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0) {
+    printf("Connected error..\n");
+    return 0;
+  }
+  printf("Connected to server..\n");
+
+  /*循环的发送接收信息并打印接收信息（可以按需发送）--recv返回接收到的字节数，send返回发送的字节数*/
+  while (1) {
+    printf("Enter string to send:");
+    scanf("%s", buf);
+    if (!strcmp(buf, "quit")) {
+      break;
+    }
+    len = (sizeof buf);
+
+    recvbuf[0] = '\0';
+
+    iDataNum = recv(client_sockfd, recvbuf, SIZE, 0);
+
+    recvbuf[iDataNum] = '\0';
+
+    printf("%s\n", recvbuf);
+  }
+  return 0;
+}

src/kit/taosnetwork/taosnetwork_server.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#define SERVER_PORT 8000
+#define SIZE 200
+
+int main() {
+  struct sockaddr_in servaddr, cliaddr;
+  socklen_t          cliaddr_len;
+  int                listenfd, connfd;
+  char               buf[BUFSIZ];
+  int                i, n, flag = 0;
+
+  listenfd = socket(AF_INET, SOCK_STREAM, 0);
+  bzero(&servaddr, sizeof(servaddr));
+  servaddr.sin_family = AF_INET;
+  servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+  servaddr.sin_port = htons(SERVER_PORT);
+  bind(listenfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
+  listen(listenfd, 20);
+
+  printf("Accepting connections..\n");
+  while (1) {
+    cliaddr_len = sizeof(cliaddr);
+    connfd = accept(listenfd, (struct sockaddr *)&cliaddr,
+                    &cliaddr_len);  //如果得不到客户端发来的消息，将会被阻塞，一直等到消息到来
+    n = read(connfd, buf, SIZE);    //如果n<=0，表示客户端已断开
+    while (1) {
+      if (n != 0) {
+        for (i = 0; i < n; i++) printf("%c", buf[i]);  //输出客户端发来的信息
+      } else {
+        printf("Client say close the connection..\n");
+        break;
+      }
+      n = read(connfd, buf, SIZE);
+    }
+    close(connfd);
+  }
+}

src/kit/taosnetwork/test_client.c

+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+#define SERVER_PORT 8888
+#define BUFF_LEN 512
+#define SERVER_IP "172.0.5.182"
+
+void udp_msg_sender(int fd, struct sockaddr* dst) {}
+
+/*
+    client:
+            socket-->sendto-->revcfrom-->close
+*/
+
+int main(int argc, char* argv[]) {
+  int                client_fd;
+  struct sockaddr_in ser_addr;
+
+  client_fd = socket(AF_INET, SOCK_DGRAM, 0);
+  if (client_fd < 0) {
+    printf("create socket fail!\n");
+    return -1;
+  }
+
+  memset(&ser_addr, 0, sizeof(ser_addr));
+  ser_addr.sin_family = AF_INET;
+  // ser_addr.sin_addr.s_addr = inet_addr(SERVER_IP);
+  ser_addr.sin_addr.s_addr = htonl(INADDR_ANY);  //注意网络序转换
+  ser_addr.sin_port = htons(SERVER_PORT);        //注意网络序转换
+
+  socklen_t          len;
+  struct sockaddr_in src;
+  while (1) {
+    char buf[BUFF_LEN] = "TEST UDP MSG!\n";
+    len = sizeof(*(struct sockaddr*)&ser_addr);
+    printf("client:%s\n", buf);  //打印自己发送的信息
+    sendto(client_fd, buf, BUFF_LEN, 0, (struct sockaddr*)&ser_addr, len);
+    memset(buf, 0, BUFF_LEN);
+    recvfrom(client_fd, buf, BUFF_LEN, 0, (struct sockaddr*)&src, &len);  //接收来自server的信息
+    printf("server:%s\n", buf);
+    sleep(1);  //一秒发送一次消息
+  }
+
+  close(client_fd);
+
+  return 0;
+}
\ No newline at end of file

src/kit/taosnetwork/test_server.c

+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+#define SERVER_PORT 8888
+#define BUFF_LEN 1024
+
+void handle_udp_msg(int fd) {
+  char      buf[BUFF_LEN];  //接收缓冲区，1024字节
+  socklen_t len;
+  int       count;
+  struct sockaddr_in clent_addr;  // clent_addr用于记录发送方的地址信息
+  while (1) {
+    memset(buf, 0, BUFF_LEN);
+    len = sizeof(clent_addr);
+    count =
+        recvfrom(fd, buf, BUFF_LEN, 0, (struct sockaddr*)&clent_addr, &len);  // recvfrom是拥塞函数，没有数据就一直拥塞
+    if (count == -1) {
+      printf("recieve data fail!\n");
+      return;
+    }
+    printf("client:%s\n", buf);  //打印client发过来的信息
+    memset(buf, 0, BUFF_LEN);
+    sprintf(buf, "I have recieved %d bytes data!\n", count);  //回复client
+    printf("server:%s\n", buf);                               //打印自己发送的信息给
+    sendto(fd, buf, BUFF_LEN, 0, (struct sockaddr*)&clent_addr,
+           len);  //发送信息给client，注意使用了clent_addr结构体指针
+  }
+}
+
+/*
+    server:
+            socket-->bind-->recvfrom-->sendto-->close
+*/
+
+int main(int argc, char* argv[]) {
+  int                server_fd, ret;
+  struct sockaddr_in ser_addr;
+
+  server_fd = socket(AF_INET, SOCK_DGRAM, 0);  // AF_INET:IPV4;SOCK_DGRAM:UDP
+  if (server_fd < 0) {
+    printf("create socket fail!\n");
+    return -1;
+  }
+
+  memset(&ser_addr, 0, sizeof(ser_addr));
+  ser_addr.sin_family = AF_INET;
+  ser_addr.sin_addr.s_addr = htonl(INADDR_ANY);  // IP地址，需要进行网络序转换，INADDR_ANY：本地地址
+  ser_addr.sin_port = htons(SERVER_PORT);        //端口号，需要网络序转换
+
+  ret = bind(server_fd, (struct sockaddr*)&ser_addr, sizeof(ser_addr));
+  if (ret < 0) {
+    printf("socket bind fail!\n");
+    return -1;
+  }
+
+  handle_udp_msg(server_fd);  //处理接收到的数据
+
+  close(server_fd);
+  return 0;
+}
\ No newline at end of file