tcp6echo.cpp
1.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
#include <iostream>
#include <string>
#include "socket-cpp/tcp6_connector.h"
#include "socket-cpp/version.h"
using namespace std;
using namespace std::chrono;
// --------------------------------------------------------------------------
int main(int argc, char* argv[])
{
cout << "Sample IPv6 TCP echo client for 'sockpp' "
<< osdev::components::socket-cpp::SOCKPP_VERSION << '\n' << endl;
std::string host = (argc > 1) ? argv[1] : "::1";
in_port_t port = (argc > 2) ? atoi(argv[2]) : 12345;
osdev::components::socket-cpp::socket_initializer sockInit;
// Implicitly creates an inet6_address from {host,port}
// and then tries the connection.
osdev::components::socket-cpp::tcp6_connector conn({host, port});
if (!conn) {
cerr << "Error connecting to server at "
<< osdev::components::socket-cpp::inet6_address(host, port)
<< "\n\t" << conn.last_error_str() << endl;
return 1;
}
cout << "Created a connection from " << conn.address() << endl;
// Set a timeout for the responses
if (!conn.read_timeout(seconds(5))) {
cerr << "Error setting timeout on TCP stream: "
<< conn.last_error_str() << endl;
}
string s, sret;
while (getline(cin, s) && !s.empty()) {
if (conn.write(s) != ssize_t(s.length())) {
cerr << "Error writing to the TCP stream: "
<< conn.last_error_str() << endl;
break;
}
sret.resize(s.length());
ssize_t n = conn.read_n(&sret[0], s.length());
if (n != ssize_t(s.length())) {
cerr << "Error reading from TCP stream: "
<< conn.last_error_str() << endl;
break;
}
cout << sret << endl;
}
return (!conn) ? 1 : 0;
}