完成输入IP和端口，连接从站，和从站通信

Modbus_communication/Modbus_TCP/TCP_client.cpp

@@ -1,34 +1,33 @@
 #include "TCP_client.h"
 
-SOCKET Init_client(void)
+SOCKET Init_client(string IP, unsigned int Port_number)
 {
 	if (InitSocket_Version() == 0)
 		return INVALID_SOCKET;
-	SOCKET clientSocket = socket(AF_INET, SOCK_STREAM, 0);
-	sockaddr_in serversock_in;
-	serversock_in.sin_addr.S_un.S_addr = inet_addr("10.10.0.105");
-	serversock_in.sin_family = AF_INET;
-	serversock_in.sin_port = htons(3000);
-	if (SOCKET_ERROR == connect(clientSocket, (SOCKADDR*)&serversock_in, sizeof(SOCKADDR)))
+	SOCKET ClientSocket = socket(AF_INET, SOCK_STREAM, 0);
+	sockaddr_in Serversock_in;
+	Serversock_in.sin_addr.S_un.S_addr = inet_addr(IP.c_str());
+	Serversock_in.sin_family = AF_INET;
+	Serversock_in.sin_port = htons(Port_number);
+	while (SOCKET_ERROR == connect(ClientSocket, (SOCKADDR*)&Serversock_in, sizeof(SOCKADDR)))
 	{
-		cout << "连接从站失败" << endl;
-		return INVALID_SOCKET;
+		cout << "尝试连接TCP从站失败" << endl;
 	}
-	return clientSocket;
+	cout << "连接TCP从站成功" << endl;
+	return ClientSocket;
 }
 
-int Tcp_client(void)
+int Tcp_client(string IP, unsigned int Port_number)
 {
-
-	SOCKET clientSocket = Init_client();
+	SOCKET clientSocket = Init_client(IP, Port_number);
 	if (INVALID_SOCKET == clientSocket)
 	{
 		cout << "初始化主站失败" << endl;
-		return 0;
+		return false;
 	}
 	while (true)
 	{
-		char receiveBuf[100];
+		char receiveBuf[260];
 		memset(receiveBuf, 0, 100);
 		recv(clientSocket, receiveBuf, 100, 0);
 		printf("%s\n", receiveBuf);
@@ -38,5 +37,5 @@ int Tcp_client(void)
 	closesocket(clientSocket);
 	//关闭服务
 	WSACleanup();
-	return 0;
+	return false;
 }

Modbus_communication/Modbus_TCP/TCP_client.h

@@ -3,6 +3,6 @@
 
 #include "common.h"
 
-int Tcp_client(void);
+int Tcp_client(string IP, unsigned int Port_number);
 
 #endif

Modbus_communication/Modbus_TCP/common.cpp

@@ -1,9 +1,15 @@
-#include "common.h"
-
+#include "common.h"
 
+/*********************************************************************************************
+* 功能    ：	检测socket版本
+* �述	  ：	检测socket版本是�一致
+* 输入    ：    无
+* 输出    ：    true  socket版本一致
+*				false socket版本�一致
+*********************************************************************************************/
 bool InitSocket_Version(void)
 {
-	WORD sockVersion = MAKEWORD(2, 2);//ʹÓÃwinsocket2.2°æ±¾
+	WORD sockVersion = MAKEWORD(2, 2);//使用winsocket2.2版本
 	WSADATA wsaData;
 	if (WSAStartup(sockVersion, &wsaData) != 0)
 	{
@@ -12,41 +18,63 @@ bool InitSocket_Version(void)
 	return true;
 }
 
-bool Check_IP(char* IP)
+/*********************************************************************************************
+* 功能    ：	IP地�有效性检测
+* �述	  ：	检测输入的IP地�是��法
+* 输入    ：    IP   输入的IP地�
+* 输出    ：    true  IP地��法
+*				false IP地��法
+*********************************************************************************************/
+bool Check_IP(string IP)
 {
 	int s[4];
 	string ip = IP;
-	if (ip.length() < 7 || ip.length() > 15) //³¤¶ÈÅж¨
+	if (ip.length() < 7 || ip.length() > 15) //长度判定
 		return false;
-	if (sscanf_s(IP, "%d.%d.%d.%d", &s[0], &s[1], &s[2], &s[3]) != 4) //IPV4¸ñʽÕýÈ·
+	if (sscanf_s(IP.c_str(), "%d.%d.%d.%d", &s[0], &s[1], &s[2], &s[3]) != 4) //IPV4格�正确
 	{
 		return false;
 	}
 	string newip = to_string(s[0]) + "." + to_string(s[1]) + "." + to_string(s[2]) + "." + to_string(s[3]);
-	if (ip != newip) //Ç°µ¼0
+	if (ip != newip) //�导0
 		return false;
-	if ((s[0] & 0xffffff00) || (s[1] & 0xffffff00) || (s[2] & 0xffffff00) || (s[3] & 0xffffff00)) //ÅжÏÿһ¶Î´óСÊÇ·ñ·ûºÏÒªÇó
+	if ((s[0] & 0xffffff00) || (s[1] & 0xffffff00) || (s[2] & 0xffffff00) || (s[3] & 0xffffff00)) //判断�一段大�是�符��求
 	{
 		return false;
 	}
 	return true;
 }
 
-void Input_IP(vector <string>& a)
+/*********************************************************************************************
+* 功能    ：	获�从站IP地�和端��
+* �述	  ：	终端输入从站IP地�和端��
+* 输入    ：    IP 地�   （IPV4）
+*				*Port_number 端��（1-65535）
+* 输出    ：    无
+*********************************************************************************************/
+void Input_IP(string& IP, unsigned int *Port_number)
 {
-	cout << "ÇëÊäÈë´ÓÕ¾IP£º" << endl;
-	char IP[100];
-	while (cin >> IP) // ctrl + Z + Enter ½áÊøÊäÈë
+	int i = 1;
+	do
 	{
-		if (Check_IP(IP))
-		{
-			a.push_back(IP);
-			memset(IP, 0, 100);
-		}
-		else
+		if (i == 1)
 		{
-			cout << "ÊäÈëIP¸ñʽ´íÎó£¬ÇëÖØÐÂÊäÈë" << endl;
-			memset(IP, 0, 100);
+			cout << "请输入从站IP：";
+			i = 0;
 		}
-	}
-}
+		else	
+			cout << "IP地�格��正确，请�新输入从站IP：";
+		cin >> IP;
+	} while (!Check_IP(IP));
+
+	i = 1;
+	cout << "IP地�输格�入正确，请输入从站端��：";
+	do
+	{
+		if (i != 1)
+			cout << "请�新输入从站端��：";
+		cin >> *Port_number;
+		i = 0;
+	} while (*Port_number == 0 || *Port_number > 65535); //端��能为0 ，端��范围0---65535
+
+}

Modbus_communication/Modbus_TCP/common.h

@@ -10,8 +10,9 @@
 #pragma comment(lib,"ws2_32.lib")
 using namespace std;
 
-bool InitSocket_Version(void);
+
 bool Check_IP(char* IP);
-void Input_IP(vector <string>& a);
+bool InitSocket_Version(void);
+void Input_IP(string& IP, unsigned int *Port_number);
 
 #endif

Modbus_communication/Modbus_TCP/main.cpp

@@ -1,9 +1,20 @@
 #include "main.h"
 
+string input()
+{
+	string str;
+	cout << "请输入string内容：" << endl;
+	getline(cin, str, '\n');
+	cout << str << endl;
+	return str;
+}
 
 int main()
 {
-
+	string IP;
+	unsigned int Port_number;
+	Input_IP(IP, &Port_number);
+	Tcp_client(IP, Port_number);
 	getchar();
 	return 0;
 }