/*
* 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 = {.sun_family = AF_UNIX, .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 = {.sun_family = AF_UNIX, .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_ERRNO_FAILURE(EBADF, -1 , accept4(-1 , nullptr, nullptr, 0 ));
}
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] = {};
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 = {.tv_sec = 5 , .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) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnonnull"
ASSERT_ERRNO_FAILURE(EBADF, -1 , recvmmsg(-1 , nullptr, 0 , 0 , nullptr));
#pragma clang diagnostic pop
}
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] = {};
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) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnonnull"
ASSERT_ERRNO_FAILURE(EBADF, -1 , sendmmsg(-1 , nullptr, 0 , 0 ));
#pragma clang diagnostic pop
}
Messung V0.5 in Prozent C=84 H=86 G=84
¤ Dauer der Verarbeitung: 0.19 Sekunden
(vorverarbeitet am 2026-06-28)
¤
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