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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <fcntl.h>
#include "utils.h"
struct ConnectData {
bool (*callback_fn)(int);
const char* sock_path;
ConnectData(bool (*callback_func)(int), const char* socket_path)
: callback_fn(callback_func), sock_path(socket_path) {}
};
static void* ConnectFn(void* data) {
ConnectData* pdata = reinterpret_cast<ConnectData*>(data);
bool (*callback_fn)(int) = pdata->callback_fn;
void* return_value = nullptr;
int fd = socket(PF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
if (fd < 0) {
GTEST_LOG_(ERROR) << "socket call failed: " << strerror(errno);
return reinterpret_cast<void*>(-1);
}
struct sockaddr_un addr;
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
addr.sun_path[0] = '\0';
strcpy(addr.sun_path + 1, pdata->sock_path);
if (connect(fd, reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr)) < 0) {
GTEST_LOG_(ERROR) << "connect call failed: " << strerror(errno);
return_value = reinterpret_cast<void*>(-1);
}
else if (callback_fn != nullptr && !callback_fn(fd)) {
return_value = reinterpret_cast<void*>(-1);
}
close(fd);
return return_value;
}
static void RunTest(void (*test_fn)(struct sockaddr_un*, int),
bool (*callback_fn)(int fd), const char* sock_path) {
int fd = socket(PF_UNIX, SOCK_SEQPACKET, 0);
ASSERT_NE(fd, -1) << strerror(errno);
struct sockaddr_un addr;
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
addr.sun_path[0] = '\0';
strcpy(addr.sun_path + 1, sock_path);
ASSERT_NE(-1, bind(fd, reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr))) << strerror(errno);
ASSERT_NE(-1, listen(fd, 1)) << strerror(errno);
ConnectData connect_data(callback_fn, sock_path);
pthread_t thread;
ASSERT_EQ(0, pthread_create(&thread, nullptr, ConnectFn, &connect_data));
fd_set read_set;
FD_ZERO(&read_set);
FD_SET(fd, &read_set);
timeval tv;
tv.tv_sec = 5;
tv.tv_usec = 0;
ASSERT_LT(0, select(fd+1, &read_set, nullptr, nullptr, &tv));
test_fn(&addr, fd);
void* ret_val;
ASSERT_EQ(0, pthread_join(thread, &ret_val));
ASSERT_EQ(nullptr, ret_val);
close(fd);
}
TEST(sys_socket, accept4_error) {
ASSERT_EQ(-1, accept4(-1, nullptr, nullptr, 0));
ASSERT_EQ(EBADF, errno);
}
static void TestAccept4(struct sockaddr_un* addr, int fd) {
socklen_t len = sizeof(*addr);
int fd_acc = accept4(fd, reinterpret_cast<struct sockaddr*>(addr), &len, SOCK_CLOEXEC);
ASSERT_NE(fd_acc, -1) << strerror(errno);
// Check that SOCK_CLOEXEC was set properly.
ASSERT_TRUE(CloseOnExec(fd_acc));
close(fd_acc);
}
TEST(sys_socket, accept4_smoke) {
RunTest(TestAccept4, nullptr, "test_accept");
}
const char* g_RecvMsgs[] = {
"RECVMMSG_ONE",
"RECVMMSG_TWO",
"RECVMMSG_THREE",
};
#define NUM_RECV_MSGS (sizeof(g_RecvMsgs)/sizeof(const char*))
static bool SendMultiple(int fd) {
for (size_t i = 0; i < NUM_RECV_MSGS; i++) {
if (send(fd, g_RecvMsgs[i], strlen(g_RecvMsgs[i]) + 1, 0) < 0) {
GTEST_LOG_(ERROR) << "send call failed: " << strerror(errno);
return false;
}
}
return true;
}
static void TestRecvMMsg(struct sockaddr_un *addr, int fd) {
socklen_t len = sizeof(*addr);
int fd_acc = accept(fd, reinterpret_cast<struct sockaddr*>(addr), &len);
ASSERT_NE(fd_acc, -1) << strerror(errno);
struct mmsghdr msgs[NUM_RECV_MSGS];
memset(msgs, 0, sizeof(struct mmsghdr)*NUM_RECV_MSGS);
struct iovec io[NUM_RECV_MSGS];
char bufs[NUM_RECV_MSGS][100];
for (size_t i = 0; i < NUM_RECV_MSGS; i++) {
io[i].iov_base = reinterpret_cast<void*>(bufs[i]);
io[i].iov_len = strlen(g_RecvMsgs[i]) + 1;
msgs[i].msg_hdr.msg_iov = &io[i];
msgs[i].msg_hdr.msg_iovlen = 1;
msgs[i].msg_len = sizeof(struct msghdr);
}
struct timespec ts;
memset(&ts, 0, sizeof(ts));
ts.tv_sec = 5;
ts.tv_nsec = 0;
ASSERT_EQ(NUM_RECV_MSGS,
static_cast<size_t>(recvmmsg(fd_acc, msgs, NUM_RECV_MSGS, 0, &ts)))
<< strerror(errno);
for (size_t i = 0; i < NUM_RECV_MSGS; i++) {
ASSERT_STREQ(g_RecvMsgs[i], bufs[i]);
}
close(fd_acc);
}
TEST(sys_socket, recvmmsg_smoke) {
RunTest(TestRecvMMsg, SendMultiple, "test_revmmsg");
}
TEST(sys_socket, recvmmsg_error) {
ASSERT_EQ(-1, recvmmsg(-1, nullptr, 0, 0, nullptr));
ASSERT_EQ(EBADF, errno);
}
const char* g_SendMsgs[] = {
"MSG_ONE",
"MSG_TWO",
"MSG_THREE"
};
#define NUM_SEND_MSGS (sizeof(g_SendMsgs)/sizeof(const char*))
static bool SendMMsg(int fd) {
struct mmsghdr msgs[NUM_SEND_MSGS];
memset(msgs, 0, sizeof(struct mmsghdr)*NUM_SEND_MSGS);
struct iovec io[NUM_SEND_MSGS];
for (size_t i = 0; i < NUM_SEND_MSGS; i++) {
io[i].iov_base = reinterpret_cast<void*>(const_cast<char*>(g_SendMsgs[i]));
io[i].iov_len = strlen(g_SendMsgs[i]) + 1;
msgs[i].msg_hdr.msg_iov = &io[i];
msgs[i].msg_hdr.msg_iovlen = 1;
msgs[i].msg_len = sizeof(struct msghdr);
}
if (sendmmsg(fd, msgs, NUM_SEND_MSGS, 0) < 0) {
GTEST_LOG_(ERROR) << "sendmmsg call failed: " << strerror(errno);
return false;
}
return true;
}
static void TestSendMMsg(struct sockaddr_un *addr, int fd) {
socklen_t len = sizeof(*addr);
int fd_acc = accept(fd, reinterpret_cast<struct sockaddr*>(addr), &len);
ASSERT_NE(fd_acc, -1) << strerror(errno);
fd_set read_set;
FD_ZERO(&read_set);
FD_SET(fd_acc, &read_set);
for (size_t i = 0; i < NUM_SEND_MSGS; i++) {
timeval tv;
tv.tv_sec = 5;
tv.tv_usec = 0;
ASSERT_LT(0, select(fd_acc+1, &read_set, nullptr, nullptr, &tv));
char buffer[100];
ASSERT_EQ(strlen(g_SendMsgs[i]) + 1,
static_cast<size_t>(recv(fd_acc, buffer, sizeof(buffer), 0)));
ASSERT_STREQ(g_SendMsgs[i], buffer);
}
close(fd_acc);
}
TEST(sys_socket, sendmmsg_smoke) {
RunTest(TestSendMMsg, SendMMsg, "test_sendmmsg");
}
TEST(sys_socket, sendmmsg_error) {
ASSERT_EQ(-1, sendmmsg(-1, nullptr, 0, 0));
ASSERT_EQ(EBADF, errno);
}