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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static const int server_port = TEST_PORT;
/* Will be updated right after making the uv_connect_call */
static int connect_port = -1;
static int getsocknamecount = 0;
static int getpeernamecount = 0;
static uv_loop_t* loop;
static uv_tcp_t tcp;
static uv_udp_t udp;
static uv_connect_t connect_req;
static uv_tcp_t tcpServer;
static uv_udp_t udpServer;
static uv_udp_send_t send_req;
static uv_buf_t alloc(uv_handle_t* handle, size_t suggested_size) {
uv_buf_t buf;
buf.base = (char*) malloc(suggested_size);
buf.len = suggested_size;
return buf;
}
static void on_close(uv_handle_t* peer) {
free(peer);
uv_close((uv_handle_t*)&tcpServer, NULL);
}
static void after_shutdown(uv_shutdown_t* req, int status) {
uv_close((uv_handle_t*) req->handle, on_close);
free(req);
}
static void after_read(uv_stream_t* handle, ssize_t nread, uv_buf_t buf) {
uv_shutdown_t* req;
int r;
if (buf.base) {
free(buf.base);
}
req = (uv_shutdown_t*) malloc(sizeof *req);
r = uv_shutdown(req, handle, after_shutdown);
ASSERT(r == 0);
}
static void check_sockname(struct sockaddr* addr, const char* compare_ip,
int compare_port, const char* context) {
struct sockaddr_in check_addr = *(struct sockaddr_in*) addr;
struct sockaddr_in compare_addr = uv_ip4_addr(compare_ip, compare_port);
char check_ip[17];
int r;
/* Both addresses should be ipv4 */
ASSERT(check_addr.sin_family == AF_INET);
ASSERT(compare_addr.sin_family == AF_INET);
/* Check if the ip matches */
ASSERT(memcmp(&check_addr.sin_addr,
&compare_addr.sin_addr,
sizeof compare_addr.sin_addr) == 0);
/* Check if the port matches. If port == 0 anything goes. */
ASSERT(compare_port == 0 || check_addr.sin_port == compare_addr.sin_port);
r = uv_ip4_name(&check_addr, (char*) check_ip, sizeof check_ip);
ASSERT(r == 0);
printf("%s: %s:%d\n", context, check_ip, ntohs(check_addr.sin_port));
}
static void on_connection(uv_stream_t* server, int status) {
struct sockaddr sockname, peername;
int namelen;
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);
r = uv_tcp_init(loop, (uv_tcp_t*)handle);
ASSERT(r == 0);
/* associate server with stream */
handle->data = server;
r = uv_accept(server, (uv_stream_t*)handle);
ASSERT(r == 0);
namelen = sizeof sockname;
r = uv_tcp_getsockname((uv_tcp_t*) handle, &sockname, &namelen);
ASSERT(r == 0);
check_sockname(&sockname, "127.0.0.1", server_port, "accepted socket");
getsocknamecount++;
namelen = sizeof peername;
r = uv_tcp_getpeername((uv_tcp_t*) handle, &peername, &namelen);
ASSERT(r == 0);
check_sockname(&peername, "127.0.0.1", connect_port, "accepted socket peer");
getpeernamecount++;
r = uv_read_start((uv_stream_t*)handle, alloc, after_read);
ASSERT(r == 0);
}
static void on_connect(uv_connect_t* req, int status) {
struct sockaddr sockname, peername;
int r, namelen;
ASSERT(status == 0);
namelen = sizeof sockname;
r = uv_tcp_getsockname((uv_tcp_t*) req->handle, &sockname, &namelen);
ASSERT(r == 0);
check_sockname(&sockname, "127.0.0.1", 0, "connected socket");
getsocknamecount++;
namelen = sizeof peername;
r = uv_tcp_getpeername((uv_tcp_t*) req->handle, &peername, &namelen);
ASSERT(r == 0);
check_sockname(&peername, "127.0.0.1", server_port, "connected socket peer");
getpeernamecount++;
uv_close((uv_handle_t*)&tcp, NULL);
}
static int tcp_listener() {
struct sockaddr_in addr = uv_ip4_addr("0.0.0.0", server_port);
struct sockaddr sockname, peername;
int namelen;
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);
namelen = sizeof sockname;
r = uv_tcp_getsockname(&tcpServer, &sockname, &namelen);
ASSERT(r == 0);
check_sockname(&sockname, "0.0.0.0", server_port, "server socket");
getsocknamecount++;
namelen = sizeof sockname;
r = uv_tcp_getpeername(&tcpServer, &peername, &namelen);
ASSERT(r == -1);
ASSERT(uv_last_error(loop).code == UV_ENOTCONN);
getpeernamecount++;
return 0;
}
static void tcp_connector() {
struct sockaddr_in server_addr = uv_ip4_addr("127.0.0.1", server_port);
struct sockaddr sockname;
int r, namelen;
r = uv_tcp_init(loop, &tcp);
tcp.data = &connect_req;
ASSERT(!r);
r = uv_tcp_connect(&connect_req, &tcp, server_addr, on_connect);
ASSERT(!r);
/* Fetch the actual port used by the connecting socket. */
namelen = sizeof sockname;
r = uv_tcp_getsockname(&tcp, &sockname, &namelen);
ASSERT(!r);
ASSERT(sockname.sa_family == AF_INET);
connect_port = ntohs(((struct sockaddr_in*) &sockname)->sin_port);
ASSERT(connect_port > 0);
}
static void udp_recv(uv_udp_t* handle,
ssize_t nread,
uv_buf_t buf,
struct sockaddr* addr,
unsigned flags) {
struct sockaddr sockname;
int namelen;
int r;
ASSERT(nread >= 0);
free(buf.base);
if (nread == 0) {
return;
}
memset(&sockname, -1, sizeof sockname);
namelen = sizeof(sockname);
r = uv_udp_getsockname(&udp, &sockname, &namelen);
ASSERT(r == 0);
check_sockname(&sockname, "0.0.0.0", 0, "udp receiving socket");
getsocknamecount++;
uv_close((uv_handle_t*) &udp, NULL);
uv_close((uv_handle_t*) handle, NULL);
}
static void udp_send(uv_udp_send_t* req, int status) {
}
static int udp_listener() {
struct sockaddr_in addr = uv_ip4_addr("0.0.0.0", server_port);
struct sockaddr sockname;
int namelen;
int r;
r = uv_udp_init(loop, &udpServer);
if (r) {
fprintf(stderr, "Socket creation error\n");
return 1;
}
r = uv_udp_bind(&udpServer, addr, 0);
if (r) {
fprintf(stderr, "Bind error\n");
return 1;
}
memset(&sockname, -1, sizeof sockname);
namelen = sizeof sockname;
r = uv_udp_getsockname(&udpServer, &sockname, &namelen);
ASSERT(r == 0);
check_sockname(&sockname, "0.0.0.0", server_port, "udp listener socket");
getsocknamecount++;
r = uv_udp_recv_start(&udpServer, alloc, udp_recv);
ASSERT(r == 0);
return 0;
}
static void udp_sender(void) {
struct sockaddr_in server_addr;
uv_buf_t buf;
int r;
r = uv_udp_init(loop, &udp);
ASSERT(!r);
buf = uv_buf_init("PING", 4);
server_addr = uv_ip4_addr("127.0.0.1", server_port);
r = uv_udp_send(&send_req, &udp, &buf, 1, server_addr, udp_send);
ASSERT(!r);
}
TEST_IMPL(getsockname_tcp) {
loop = uv_default_loop();
if (tcp_listener())
return 1;
tcp_connector();
uv_run(loop);
ASSERT(getsocknamecount == 3);
ASSERT(getpeernamecount == 3);
return 0;
}
TEST_IMPL(getsockname_udp) {
loop = uv_default_loop();
if (udp_listener())
return 1;
udp_sender();
uv_run(loop);
ASSERT(getsocknamecount == 2);
return 0;
}
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