static void on_connection(uv_stream_t* server, int status) {
struct sockaddr sockname;
int namelen = sizeof(sockname);
uv_handle_t* handle;
int r;
if (status != 0) {
fprintf(stderr, "Connect error %d\n",
uv_last_error(loop).code);
}
ASSERT(status == 0);
handle = (uv_handle_t*) malloc(sizeof(uv_tcp_t));
ASSERT(handle != NULL);
uv_tcp_init(loop, (uv_tcp_t*)handle);
/* associate server with stream */
handle->data = server;
r = uv_accept(server, (uv_stream_t*)handle);
ASSERT(r == 0);
status = uv_getsockname(handle, &sockname, &namelen);
if (status != 0) {
fprintf(stderr, "uv_getsockname error (accepted) %d\n",
uv_last_error(loop).code);
}
ASSERT(status == 0);
getsocknamecount++;
r = uv_read_start((uv_stream_t*)handle, alloc, after_read);
ASSERT(r == 0);
}
static void udp_recv(uv_udp_t* handle,
ssize_t nread,
uv_buf_t buf,
struct sockaddr* addr,
unsigned flags) {
struct sockaddr sockname;
char ip[20];
int namelen;
int r;
ASSERT(nread >= 0);
if (nread == 0) {
free(buf.base);
return;
}
namelen = sizeof(sockname);
r = uv_getsockname((uv_handle_t*)&udp, &sockname, &namelen);
if (r != 0) {
fprintf(stderr, "uv_getsockname error (connector) %d\n", uv_last_error(loop).code);
}
ASSERT(r == 0);
r = uv_ip4_name((struct sockaddr_in*)&sockname, ip, 20);
ASSERT(r == 0);
printf("sockname = %s\n", ip);
getsocknamecount++;
uv_close((uv_handle_t*) &udp, NULL);
uv_close((uv_handle_t*) handle, NULL);
}
static int tcp_listener(int port) {
struct sockaddr_in addr = uv_ip4_addr("0.0.0.0", port);
struct sockaddr sockname;
int namelen = sizeof(sockname);
int r;
r = uv_tcp_init(&tcpServer);
if (r) {
fprintf(stderr, "Socket creation error\n");
return 1;
}
r = uv_tcp_bind(&tcpServer, addr);
if (r) {
fprintf(stderr, "Bind error\n");
return 1;
}
r = uv_tcp_listen(&tcpServer, 128, on_connection);
if (r) {
fprintf(stderr, "Listen error\n");
return 1;
}
r = uv_getsockname(&tcpServer, &sockname, &namelen);
if (r != 0) {
fprintf(stderr, "uv_getsockname error (listening) %d\n", uv_last_error().code);
}
ASSERT(r == 0);
getsocknamecount++;
return 0;
}
static void on_connect(void* req) {
struct sockaddr sockname;
int namelen = sizeof(sockname);
int status;
status = uv_getsockname(&tcp, &sockname, &namelen);
if (status != 0) {
fprintf(stderr, "uv_getsockname error (connector) %d\n", uv_last_error().code);
}
ASSERT(status == 0);
getsocknamecount++;
uv_close((uv_handle_t*)&tcp, NULL);
}
static int tcp_listener(int port) {
struct sockaddr_in addr = uv_ip4_addr("0.0.0.0", port);
struct sockaddr sockname;
int namelen = sizeof(sockname);
char ip[20];
int r;
r = uv_tcp_init(loop, &tcpServer);
if (r) {
fprintf(stderr, "Socket creation error\n");
return 1;
}
r = uv_tcp_bind(&tcpServer, addr);
if (r) {
fprintf(stderr, "Bind error\n");
return 1;
}
r = uv_listen((uv_stream_t*)&tcpServer, 128, on_connection);
if (r) {
fprintf(stderr, "Listen error\n");
return 1;
}
memset(&sockname, -1, sizeof sockname);
r = uv_getsockname((uv_handle_t*)&tcpServer, &sockname, &namelen);
if (r != 0) {
fprintf(stderr, "uv_getsockname error (listening) %d\n",
uv_last_error(loop).code);
}
ASSERT(r == 0);
r = uv_ip4_name((struct sockaddr_in*)&sockname, ip, 20);
ASSERT(r == 0);
ASSERT(ip[0] == '0');
ASSERT(ip[1] == '.');
ASSERT(ip[2] == '0');
printf("sockname = %s\n", ip);
getsocknamecount++;
return 0;
}
