-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.cpp
108 lines (71 loc) · 2.29 KB
/
server.cpp
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include "Address.hpp"
#include <iostream>
#include "signal.h"
using namespace std;
#define PROMPT "$>"
#define EXIT_CMD "quit"
#define IP_DHCP "0.0.0.0"
typedef struct {
char *msg;
int sock_id;
} client;
void *listener(void *demon);
int main(int argc, char **argv) {
if (argc != 3) {
printf("USAGE: %s PORT MESSAGE\n", argv[0]);
return -1;
}
int port = atoi(argv[1]);
char *msg = argv[2];
Address *mySelf = new Address(IP_LO, port);
int socket_id = socket(AF_INET, SOCK_DGRAM, 0);
if (socket_id == -1)errore("socket()", -2);
int rc = bind(socket_id, (struct sockaddr *) mySelf->getAddress(), (socklen_t)
sizeof(struct sockaddr));
//controllo errori
if (rc != 0)errore("bind()", -3);
client parametri = {msg, socket_id};
pthread_t demon_id;
rc = pthread_create(&demon_id, NULL, listener, (void *) ¶metri);
if (rc != 0)errore("pthread_create()", -4);
printf("%s", PROMPT);
char *command = inputStr();
printf("\n");
while (strcmp(command, EXIT_CMD)) {
free(command);
printf("%s", PROMPT);
command = inputStr();
printf("\n");
}
pthread_kill(demon_id, NULL);
free(command);
close(socket_id);
return 0;
}
void *listener(void *demon) {
client *param = static_cast<client *>(demon);
char buffer[MAX_STR + 1];
Address *mitt = new Address();
int addr_len = sizeof(struct sockaddr);
/*---*/
for (;;) {
int rc = recvfrom(param->sock_id, buffer, MAX_STR, 0, (struct sockaddr *) mitt->getAddress(),
(socklen_t * ) & addr_len);
if (rc <= 0) errore("recvfrom()", -5);
buffer[rc] = '\0';
printf("%s ricevuto da [%s:%d] '%s'\n", PROMPT, mitt->getIp(), mitt->getPort(), buffer);
rc = sendto(param->sock_id, param->msg, strlen(param->msg) + 1, 0, (struct sockaddr *) mitt->getAddress(),
(socklen_t)
sizeof(struct sockaddr));
if (rc != strlen(param->msg) + 1) errore("sendto()", -6);
printf("%s invia a [%s:%d] '%s'\n", PROMPT, mitt->getIp(), mitt->getPort(), param->msg);
}
/*---*/
return NULL;
}