struct evdns_server_port *
regress_get_dnsserver(struct event_base *base,
ev_uint16_t *portnum,
evutil_socket_t *psock,
evdns_request_callback_fn_type cb,
void *arg)
{
struct evdns_server_port *port = NULL;
evutil_socket_t sock;
struct sockaddr_in my_addr;
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock <= 0) {
tt_abort_perror("socket");
}
evutil_make_socket_nonblocking(sock);
memset(&my_addr, 0, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(*portnum);
my_addr.sin_addr.s_addr = htonl(0x7f000001UL);
if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr)) < 0) {
tt_abort_perror("bind");
}
port = evdns_add_server_port_with_base(base, sock, 0, cb, arg);
if (!*portnum)
*portnum = regress_get_socket_port(sock);
if (psock)
*psock = sock;
return port;
end:
return NULL;
}
bool
f4dns_init(f4dns_ctx_t *ctx) {
ctx->dns_base = evdns_base_new( ctx->f4->base, 1 );
assert( ctx->dns_base != NULL );
ctx->sock = socket(ctx->f4->listen_dns.ss_family, SOCK_DGRAM, 0);
evutil_make_socket_nonblocking(ctx->sock);
if( bind(ctx->sock, (struct sockaddr*)&ctx->f4->listen_dns, ctx->f4->listen_dns_sz) != 0 ) {
perror("Cannot bind() DNS socket");
return false;
}
ctx->server = evdns_add_server_port_with_base(ctx->f4->base, ctx->sock, 0, _f4dns_cb_dnsserver, ctx);
return true;
}
void proxyService()
{
struct event_base *event_base = NULL;
//struct evdns_base *evdns_base = NULL;
event_base = event_base_new();
//evdns_base = evdns_base_new(event_base, 0);
evutil_socket_t sock;
struct sockaddr_in my_addr;
sock = socket(PF_INET, SOCK_DGRAM, 0);
if(sock == -1) {
printf("socket create error\n");
return;
}
evutil_make_socket_nonblocking(sock);
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(53);
my_addr.sin_addr.s_addr = INADDR_ANY;
if(bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr))<0) {
printf("bind error\n");
return;
}
evdns_add_server_port_with_base(event_base, sock, 0, evdns_server_callback, NULL);
event_base_dispatch(event_base);
}
