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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// 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 <utility>
#include "starboard/common/socket.h"
#include "starboard/nplb/socket_helpers.h"
#include "starboard/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
class PairSbSocketReceiveFromTest
: public ::testing::TestWithParam<
std::pair<SbSocketAddressType, SbSocketAddressType> > {
public:
SbSocketAddressType GetServerAddressType() { return GetParam().first; }
SbSocketAddressType GetClientAddressType() { return GetParam().second; }
};
// Transfers data between the two connected local sockets, spinning until |size|
// has been transferred, or an error occurs.
int Transfer(SbSocket receive_socket,
char* out_data,
SbSocket send_socket,
const char* send_data,
int size) {
int send_total = 0;
int receive_total = 0;
while (receive_total < size) {
if (send_total < size) {
int bytes_sent = SbSocketSendTo(send_socket, send_data + send_total,
size - send_total, NULL);
if (bytes_sent < 0) {
if (SbSocketGetLastError(send_socket) != kSbSocketPending) {
return -1;
}
bytes_sent = 0;
}
send_total += bytes_sent;
}
int bytes_received = SbSocketReceiveFrom(
receive_socket, out_data + receive_total, size - receive_total, NULL);
if (bytes_received < 0) {
if (SbSocketGetLastError(receive_socket) != kSbSocketPending) {
return -1;
}
bytes_received = 0;
}
receive_total += bytes_received;
}
return size;
}
TEST_P(PairSbSocketReceiveFromTest, SunnyDay) {
const int kBufSize = 256 * 1024;
const int kSockBufSize = kBufSize / 8;
ConnectedTrio trio =
CreateAndConnect(GetServerAddressType(), GetClientAddressType(),
GetPortNumberForTests(), kSocketTimeout);
ASSERT_TRUE(SbSocketIsValid(trio.server_socket));
// Let's set the buffers small to create partial reads and writes.
SbSocketSetReceiveBufferSize(trio.client_socket, kSockBufSize);
SbSocketSetReceiveBufferSize(trio.server_socket, kSockBufSize);
SbSocketSetSendBufferSize(trio.client_socket, kSockBufSize);
SbSocketSetSendBufferSize(trio.server_socket, kSockBufSize);
// Create the buffers and fill the send buffer with a pattern, the receive
// buffer with zeros.
char* send_buf = new char[kBufSize];
char* receive_buf = new char[kBufSize];
for (int i = 0; i < kBufSize; ++i) {
send_buf[i] = static_cast<char>(i);
receive_buf[i] = 0;
}
// Send from server to client and verify the pattern.
int transferred = Transfer(trio.client_socket, receive_buf,
trio.server_socket, send_buf, kBufSize);
EXPECT_EQ(kBufSize, transferred);
for (int i = 0; i < kBufSize; ++i) {
EXPECT_EQ(send_buf[i], receive_buf[i]) << "Position " << i;
}
// Try the other way now, first clearing the target buffer again.
for (int i = 0; i < kBufSize; ++i) {
receive_buf[i] = 0;
}
transferred = Transfer(trio.server_socket, receive_buf, trio.client_socket,
send_buf, kBufSize);
EXPECT_EQ(kBufSize, transferred);
for (int i = 0; i < kBufSize; ++i) {
EXPECT_EQ(send_buf[i], receive_buf[i]) << "Position " << i;
}
EXPECT_TRUE(SbSocketDestroy(trio.server_socket));
EXPECT_TRUE(SbSocketDestroy(trio.client_socket));
EXPECT_TRUE(SbSocketDestroy(trio.listen_socket));
delete[] send_buf;
delete[] receive_buf;
}
TEST(SbSocketReceiveFromTest, RainyDayInvalidSocket) {
char buf[16];
int result = SbSocketReceiveFrom(NULL, buf, sizeof(buf), NULL);
EXPECT_EQ(-1, result);
}
#if SB_HAS(IPV6)
INSTANTIATE_TEST_CASE_P(
SbSocketAddressTypes,
PairSbSocketReceiveFromTest,
::testing::Values(
std::make_pair(kSbSocketAddressTypeIpv4, kSbSocketAddressTypeIpv4),
std::make_pair(kSbSocketAddressTypeIpv6, kSbSocketAddressTypeIpv6),
std::make_pair(kSbSocketAddressTypeIpv6, kSbSocketAddressTypeIpv4)),
GetSbSocketAddressTypePairName);
#else
INSTANTIATE_TEST_CASE_P(
SbSocketAddressTypes,
PairSbSocketReceiveFromTest,
::testing::Values(std::make_pair(kSbSocketAddressTypeIpv4,
kSbSocketAddressTypeIpv4)),
GetSbSocketAddressTypePairName);
#endif
} // namespace
} // namespace nplb
} // namespace starboard