84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
|
#include <stdio.h>
|
||
|
#include <sys/socket.h>
|
||
|
#include <arpa/inet.h>
|
||
|
#include <unistd.h>
|
||
|
#include <string.h>
|
||
|
#include <string>
|
||
|
#include <queue>
|
||
|
#define max_buffer 1024
|
||
|
#define PORT 666
|
||
|
#define SOCKET int
|
||
|
|
||
|
std::queue<std::string> message_queue_{};
|
||
|
auto ufnk(const SOCKET socket)->std::string
|
||
|
{
|
||
|
if (!message_queue_.empty())
|
||
|
{
|
||
|
auto message = message_queue_.front();
|
||
|
message_queue_.pop();
|
||
|
return message;
|
||
|
}
|
||
|
std::string data;
|
||
|
char message_buffer[max_buffer] = { 0 };
|
||
|
auto length = max_buffer;
|
||
|
while (length == max_buffer)
|
||
|
{
|
||
|
length = ::recv(socket, message_buffer, max_buffer, 0);
|
||
|
for (auto i = 0; i < length; ++i)
|
||
|
if(message_buffer[i]) /*append until null.*/
|
||
|
{
|
||
|
data += message_buffer[i];
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
message_queue_.push(data);
|
||
|
data.clear();
|
||
|
}
|
||
|
}
|
||
|
if (message_queue_.empty())
|
||
|
return "";
|
||
|
return ufnk(socket); //recurse.
|
||
|
}
|
||
|
|
||
|
|
||
|
int main(int argc, char const *argv[])
|
||
|
{
|
||
|
int sock = 0, valread = 1;
|
||
|
struct sockaddr_in serv_addr;
|
||
|
char *hello = "4";
|
||
|
char buffer[1024] = {0};
|
||
|
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
|
||
|
{
|
||
|
printf("\n Socket creation error \n");
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
serv_addr.sin_family = AF_INET;
|
||
|
serv_addr.sin_port = htons(PORT);
|
||
|
|
||
|
// Convert IPv4 and IPv6 addresses from text to binary form
|
||
|
if(inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr)<=0)
|
||
|
{
|
||
|
printf("\nInvalid address/ Address not supported \n");
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
|
||
|
{
|
||
|
printf("\nConnection Failed \n");
|
||
|
return -1;
|
||
|
}
|
||
|
send(sock , hello , strlen(hello)+1 , 0 );
|
||
|
printf("sent date command\n");
|
||
|
|
||
|
|
||
|
while(true)
|
||
|
{
|
||
|
auto text = ufnk(sock);
|
||
|
if (text == "")
|
||
|
break;
|
||
|
printf("%s\n", text.c_str());
|
||
|
}
|
||
|
return 0;
|
||
|
}
|