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removed copy, fixed receive to external buffer

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This commit is contained in:
Erik Frojdh
2020-02-18 15:02:40 +01:00
parent fc27cfd663
commit 53a3656d5e
2 changed files with 63 additions and 37 deletions
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34
slsSupportLib/tests/test-UdpRxSocket.cpp
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@@ -5,6 +5,8 @@
#include <thread>
#include <vector>
constexpr int default_port = 50001;
int open_socket(int port) {
const char *host = nullptr; // localhost
@@ -34,9 +36,8 @@ int open_socket(int port) {
return fd;
}
TEST_CASE("Receive a packet on localhost") {
TEST_CASE("Receive data on localhost") {
constexpr int port = 50001;
std::vector<int> data_to_send{4, 5, 3, 2, 5, 7, 2, 3};
ssize_t packet_size =
sizeof(decltype(data_to_send)::value_type) * data_to_send.size();
@@ -44,9 +45,6 @@ TEST_CASE("Receive a packet on localhost") {
int fd = open_socket(port);
// int n = sendto(fd, data_to_send.data(), packet_size, 0, res->ai_addr,
// res->ai_addrlen);
auto n = write(fd, data_to_send.data(), packet_size);
CHECK(n == packet_size);
CHECK(udpsock.ReceivePacket());
@@ -60,7 +58,7 @@ TEST_CASE("Receive a packet on localhost") {
}
}
TEST_CASE("Shutdown socket without hanging") {
TEST_CASE("Shutdown socket without hanging when waiting for data") {
constexpr int port = 50001;
constexpr ssize_t packet_size = 8000;
sls::UdpRxSocket s{port, packet_size};
@@ -72,7 +70,7 @@ TEST_CASE("Shutdown socket without hanging") {
&sls::UdpRxSocket::ReceivePacket),
&s);
s.Shutdown();
s.Close();
auto r = ret.get();
CHECK(r == false); // since we didn't get the packet
@@ -86,4 +84,26 @@ TEST_CASE("Too small packet"){
write(fd, &val, sizeof(val));
CHECK(s.ReceivePacket() == false);
close(fd);
}
TEST_CASE("Receive an int to internal buffer"){
int to_send = 5;
int received = -1;
auto fd = open_socket(default_port);
sls::UdpRxSocket s(default_port, sizeof(int));
write(fd, &to_send, sizeof(to_send));
CHECK(s.ReceivePacket());
memcpy(&received, s.LastPacket(), sizeof(int));
CHECK(received == to_send);
}
TEST_CASE("Receive an int to an external buffer"){
int to_send = 5;
int received = -1;
auto fd = open_socket(default_port);
sls::UdpRxSocket s(default_port, sizeof(int));
write(fd, &to_send, sizeof(to_send));
CHECK(s.ReceivePacket(reinterpret_cast<char*>(&received)));
CHECK(received == to_send);
}