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#include <fcntl.h>
#include <mongoc.h>
#include "mongoc-tests.h"
#include "mongoc-socket-private.h"
#include "mongoc-thread-private.h"
#include "mongoc-errno-private.h"
#include "TestSuite.h"
#include "test-libmongoc.h"
#undef MONGOC_LOG_DOMAIN
#define MONGOC_LOG_DOMAIN "socket-test"
#define TIMEOUT 10000
#define WAIT 1000
static size_t gFourMB = 1024 * 1024 * 4;
typedef struct
{
unsigned short server_port;
mongoc_cond_t cond;
mongoc_mutex_t cond_mutex;
bool closed_socket;
int amount;
} socket_test_data_t;
static void *
socket_test_server (void *data_)
{
socket_test_data_t *data = (socket_test_data_t *)data_;
struct sockaddr_in server_addr = { 0 };
mongoc_socket_t *listen_sock;
mongoc_socket_t *conn_sock;
mongoc_stream_t *stream;
mongoc_iovec_t iov;
socklen_t sock_len;
ssize_t r;
char buf[5];
iov.iov_base = buf;
iov.iov_len = sizeof (buf);
listen_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
assert (listen_sock);
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
server_addr.sin_port = htons (0);
r = mongoc_socket_bind (listen_sock,
(struct sockaddr *)&server_addr,
sizeof server_addr);
assert (r == 0);
sock_len = sizeof(server_addr);
r = mongoc_socket_getsockname (listen_sock, (struct sockaddr *)&server_addr, &sock_len);
assert(r == 0);
r = mongoc_socket_listen (listen_sock, 10);
assert(r == 0);
mongoc_mutex_lock(&data->cond_mutex);
data->server_port = ntohs(server_addr.sin_port);
mongoc_cond_signal(&data->cond);
mongoc_mutex_unlock(&data->cond_mutex);
conn_sock = mongoc_socket_accept (listen_sock, -1);
assert (conn_sock);
stream = mongoc_stream_socket_new (conn_sock);
assert (stream);
r = mongoc_stream_readv (stream, &iov, 1, 5, TIMEOUT);
assert (r == 5);
assert (strcmp (buf, "ping") == 0);
strcpy (buf, "pong");
r = mongoc_stream_writev (stream, &iov, 1, TIMEOUT);
assert (r == 5);
mongoc_stream_destroy (stream);
mongoc_mutex_lock(&data->cond_mutex);
data->closed_socket = true;
mongoc_cond_signal(&data->cond);
mongoc_mutex_unlock(&data->cond_mutex);
mongoc_socket_destroy (listen_sock);
return NULL;
}
static void *
socket_test_client (void *data_)
{
socket_test_data_t *data = (socket_test_data_t *)data_;
mongoc_socket_t *conn_sock;
char buf[5];
ssize_t r;
bool closed;
struct sockaddr_in server_addr = { 0 };
mongoc_stream_t *stream;
mongoc_iovec_t iov;
iov.iov_base = buf;
iov.iov_len = sizeof (buf);
conn_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
assert (conn_sock);
mongoc_mutex_lock(&data->cond_mutex);
while (! data->server_port) {
mongoc_cond_wait(&data->cond, &data->cond_mutex);
}
mongoc_mutex_unlock(&data->cond_mutex);
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(data->server_port);
server_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
r = mongoc_socket_connect (conn_sock, (struct sockaddr *)&server_addr, sizeof(server_addr), -1);
assert (r == 0);
stream = mongoc_stream_socket_new (conn_sock);
strcpy (buf, "ping");
closed = mongoc_stream_check_closed (stream);
assert (closed == false);
r = mongoc_stream_writev (stream, &iov, 1, TIMEOUT);
assert (r == 5);
closed = mongoc_stream_check_closed (stream);
assert (closed == false);
r = mongoc_stream_readv (stream, &iov, 1, 5, TIMEOUT);
assert (r == 5);
assert (strcmp (buf, "pong") == 0);
mongoc_mutex_lock(&data->cond_mutex);
while (! data->closed_socket) {
mongoc_cond_wait(&data->cond, &data->cond_mutex);
}
mongoc_mutex_unlock(&data->cond_mutex);
closed = mongoc_stream_check_closed (stream);
assert (closed == true);
mongoc_stream_destroy (stream);
return NULL;
}
static void *
sendv_test_server (void *data_)
{
socket_test_data_t *data = (socket_test_data_t *)data_;
struct sockaddr_in server_addr = { 0 };
mongoc_socket_t *listen_sock;
mongoc_socket_t *conn_sock;
mongoc_stream_t *stream;
mongoc_iovec_t iov;
socklen_t sock_len;
int amount = 0;
ssize_t r;
char *buf = (char *)bson_malloc (gFourMB);
iov.iov_base = buf;
iov.iov_len = gFourMB;
listen_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
assert (listen_sock);
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
server_addr.sin_port = htons (0);
r = mongoc_socket_bind (listen_sock,
(struct sockaddr *)&server_addr,
sizeof server_addr);
assert (r == 0);
sock_len = sizeof(server_addr);
r = mongoc_socket_getsockname (listen_sock, (struct sockaddr *)&server_addr, &sock_len);
assert(r == 0);
r = mongoc_socket_listen (listen_sock, 10);
assert(r == 0);
mongoc_mutex_lock(&data->cond_mutex);
data->server_port = ntohs(server_addr.sin_port);
mongoc_cond_signal(&data->cond);
mongoc_mutex_unlock(&data->cond_mutex);
conn_sock = mongoc_socket_accept (listen_sock, -1);
assert (conn_sock);
stream = mongoc_stream_socket_new (conn_sock);
assert (stream);
/* Wait until the client has pushed so much data he can't write more */
mongoc_mutex_lock(&data->cond_mutex);
while (! data->amount) {
mongoc_cond_wait(&data->cond, &data->cond_mutex);
}
amount = data->amount;
data->amount = 0;
mongoc_mutex_unlock(&data->cond_mutex);
/* Start reading everything off the socket to unblock the client */
do {
r = mongoc_stream_readv (stream, &iov, 1, amount, WAIT);
if (r > 0) {
amount -= r;
} else if (MONGOC_ERRNO_IS_AGAIN(errno)) {
continue;
} else {
fprintf(stderr, "r: %"PRIu64" , errno: %d", (uint64_t)r, conn_sock->errno_);
assert (r == amount);
}
} while (amount > 0);
/* Allow the client to finish all its writes */
mongoc_mutex_lock(&data->cond_mutex);
while (! data->amount) {
mongoc_cond_wait(&data->cond, &data->cond_mutex);
}
/* amount is likely negative value now, we've read more then caused the original blocker */
amount += data->amount;
data->amount = 0;
mongoc_mutex_unlock(&data->cond_mutex);
do {
r = mongoc_stream_readv (stream, &iov, 1, amount, WAIT);
if (r > 0) {
amount -= r;
} else if (MONGOC_ERRNO_IS_AGAIN(errno)) {
continue;
} else {
fprintf(stderr, "r: %"PRIu64" , errno: %d", (uint64_t)r, errno);
assert (r == amount);
}
} while (amount > 0);
ASSERT_CMPINT(0, ==, amount);
mongoc_stream_destroy (stream);
mongoc_socket_destroy (listen_sock);
return NULL;
}
static void *
sendv_test_client (void *data_)
{
socket_test_data_t *data = (socket_test_data_t *)data_;
mongoc_socket_t *conn_sock;
ssize_t r;
int i;
int amount = 0;
struct sockaddr_in server_addr = { 0 };
mongoc_stream_t *stream;
mongoc_iovec_t iov;
bool done = false;
char *buf = (char *)bson_malloc (gFourMB);
memset (buf, 'a', (gFourMB)- 1);
buf[gFourMB - 1] = '\0';
iov.iov_base = buf;
iov.iov_len = gFourMB;
conn_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
assert (conn_sock);
mongoc_mutex_lock(&data->cond_mutex);
while (! data->server_port) {
mongoc_cond_wait(&data->cond, &data->cond_mutex);
}
mongoc_mutex_unlock(&data->cond_mutex);
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(data->server_port);
server_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
r = mongoc_socket_connect (conn_sock, (struct sockaddr *)&server_addr, sizeof(server_addr), -1);
assert (r == 0);
stream = mongoc_stream_socket_new (conn_sock);
for (i = 0; i < 5; i++)
{
r = mongoc_stream_writev (stream, &iov, 1, WAIT);
if (r > 0) {
amount += r;
}
if (r != gFourMB) {
if (MONGOC_ERRNO_IS_AGAIN(conn_sock->errno_)) {
if (!done) {
mongoc_mutex_lock(&data->cond_mutex);
data->amount = amount;
amount = 0;
mongoc_cond_signal(&data->cond);
mongoc_mutex_unlock(&data->cond_mutex);
done = true;
}
} else {
assert (r == gFourMB);
}
}
}
assert(true == done);
mongoc_mutex_lock(&data->cond_mutex);
data->amount = amount;
mongoc_cond_signal(&data->cond);
mongoc_mutex_unlock(&data->cond_mutex);
mongoc_stream_destroy (stream);
return NULL;
}
static void
test_mongoc_socket_check_closed (void)
{
socket_test_data_t data = { 0 };
mongoc_thread_t threads[2];
int i, r;
mongoc_mutex_init (&data.cond_mutex);
mongoc_cond_init (&data.cond);
r = mongoc_thread_create (threads, &socket_test_server, &data);
assert (r == 0);
r = mongoc_thread_create (threads + 1, &socket_test_client, &data);
assert (r == 0);
for (i = 0; i < 2; i++) {
r = mongoc_thread_join (threads[i]);
assert (r == 0);
}
mongoc_mutex_destroy (&data.cond_mutex);
mongoc_cond_destroy (&data.cond);
}
static void
test_mongoc_socket_sendv (void)
{
socket_test_data_t data = { 0 };
mongoc_thread_t threads[2];
int i, r;
mongoc_mutex_init (&data.cond_mutex);
mongoc_cond_init (&data.cond);
r = mongoc_thread_create (threads, &sendv_test_server, &data);
assert (r == 0);
r = mongoc_thread_create (threads + 1, &sendv_test_client, &data);
assert (r == 0);
for (i = 0; i < 2; i++) {
r = mongoc_thread_join (threads[i]);
assert (r == 0);
}
mongoc_mutex_destroy (&data.cond_mutex);
mongoc_cond_destroy (&data.cond);
}
void
test_socket_install (TestSuite *suite)
{
TestSuite_Add (suite, "/Socket/check_closed", test_mongoc_socket_check_closed);
TestSuite_Add (suite, "/Socket/sendv", test_mongoc_socket_sendv);
}
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