First commit

main.cpp

@@ -0,0 +1,84 @@
+#include <iostream>
+#include <string>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <netdb.h>
+#include <sys/uio.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <fstream>
+
+
+using namespace std;
+
+
+//Client side
+int main(int argc, char *argv[])
+{
+	//we need 2 things: ip address and port number, in that order
+	if(argc != 3)
+	{
+		cerr << "Usage: ip_address port" << endl; exit(0);
+	} //grab the IP address and port number
+	char *serverIp = argv[1]; int port = atoi(argv[2]);
+	//create a message buffer
+	char msg[1500];
+	//setup a socket and connection tools
+	struct hostent* host = gethostbyname(serverIp);
+	sockaddr_in sendSockAddr;
+	bzero((char*)&sendSockAddr, sizeof(sendSockAddr));
+	sendSockAddr.sin_family = AF_INET;
+	sendSockAddr.sin_addr.s_addr = inet_addr(inet_ntoa(*(struct in_addr*)*host->h_addr_list));
+	sendSockAddr.sin_port = htons(port);
+	int clientSd = socket(AF_INET, SOCK_STREAM, 0);
+	//try to connect...
+	int status = connect(clientSd, (sockaddr*) &sendSockAddr, sizeof(sendSockAddr));
+	if(status < 0)
+	{
+		cout<<"Error connecting to socket!"<<endl;
+		return -1;
+	}
+	cout << "Connected to the server!" << endl;
+	int bytesRead, bytesWritten = 0;
+	struct timeval start1, end1;
+	gettimeofday(&start1, NULL);
+	while(1)
+	{
+		cout << ">";
+		string data;
+		getline(cin, data);
+		memset(&msg, 0, sizeof(msg));//clear the buffer
+		strcpy(msg, data.c_str());
+		if(data == "exit")
+		{
+			send(clientSd, (char*)&msg, strlen(msg), 0);
+			break;
+		}
+		bytesWritten += send(clientSd, (char*)&msg, strlen(msg), 0);
+		cout << "Awaiting server response..." << endl;
+		memset(&msg, 0, sizeof(msg));//clear the buffer
+		bytesRead += recv(clientSd, (char*)&msg, sizeof(msg), 0);
+		if(!strcmp(msg, "exit"))
+		{
+			cout << "Server has quit the session" << endl;
+			break;
+		}
+		cout << "Server: " << msg << endl;
+	}
+	gettimeofday(&end1, NULL);
+	close(clientSd);
+	cout << "********Session********" << endl;
+	cout << "Bytes written: " << bytesWritten <<
+	" Bytes read: " << bytesRead << endl;
+	cout << "Elapsed time: " << (end1.tv_sec- start1.tv_sec)
+	  << " secs" << endl;
+	cout << "Connection closed" << endl;
+	return 0;
+}