forked from scott/threaded_network_chat
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
#include <arpa/inet.h>
|
|
#include <netdb.h>
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
|
|
#include "disp.h"
|
|
#include "log.h"
|
|
#include "public.h"
|
|
|
|
struct waitClientArgs {
|
|
sockaddr_in newSockAddr;
|
|
socklen_t newSockAddrSize;
|
|
int auxInt; // used in client mode because I didn't want to make another
|
|
// struct to keep track of
|
|
};
|
|
|
|
void
|
|
closeClient()
|
|
{
|
|
long e = end1.tv_sec - start1.tv_sec;
|
|
|
|
gettimeofday(&end1, NULL);
|
|
close(clientSocketDescriptor);
|
|
printf("********Session********");
|
|
printf("Bytes written: %i\nBytes read: %i\n", bytesWritten, bytesRead);
|
|
printf("Elapsed time: %ld\n secs\n", e);
|
|
printf("Connection closed...\n");
|
|
}
|
|
|
|
void *
|
|
pollForSever(void *args)
|
|
{
|
|
waitClientArgs *aaa = static_cast<waitClientArgs *>(args);
|
|
int socketDescriptor = (int)aaa->auxInt;
|
|
char msg[1024];
|
|
while (1) {
|
|
memset(&msg, 0, sizeof(msg)); // clear the buffer
|
|
bytesRead += recv(socketDescriptor, (char *)&msg, sizeof(msg), 0);
|
|
|
|
// not needed for proofs of concept testing
|
|
/*if(!strcmp(msg, "exit"))
|
|
{
|
|
writeToFile(logFileName, msg);
|
|
displayFile(logFileName, linePos, LOG_LENGTH);
|
|
break;
|
|
}*/
|
|
// cout << "Server: " << msg << endl;
|
|
// printf("Server: %s\n");
|
|
|
|
writeToFile(logFileName, msg);
|
|
if (linesInFile(logFileName) > LOG_LENGTH)
|
|
linePos++;
|
|
|
|
displayFile(logFileName, linePos, LOG_LENGTH);
|
|
}
|
|
}
|
|
|
|
void
|
|
setupClient()
|
|
{
|
|
// 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
|
|
// create a message buffer
|
|
char msg[1024];
|
|
// setup a socket and connection tools
|
|
struct hostent *host = gethostbyname(IP_ADDRESS.c_str());
|
|
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_NUM);
|
|
clientSocketDescriptor = socket(AF_INET, SOCK_STREAM, 0);
|
|
// try to connect...
|
|
int status =
|
|
connect(clientSocketDescriptor, (sockaddr *)&sendSockAddr, sizeof(sendSockAddr));
|
|
|
|
if (status < 0)
|
|
writeToFile(logFileName, "Error connecting to socket!");
|
|
|
|
writeToFile(logFileName, "Connected to the server!");
|
|
int bytesRead, bytesWritten = 0;
|
|
struct timeval start1, end1;
|
|
gettimeofday(&start1, NULL);
|
|
auto *aaa = new waitClientArgs{}; // it looks stupid but it works
|
|
aaa->auxInt = clientSocketDescriptor;
|
|
int rc = pthread_create(&client_wait_thread, nullptr, pollForSever, aaa);
|
|
pthread_detach(client_wait_thread);
|
|
}
|