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allow using SO_REUSEADDR and SO_REUSEPORT on TCP server

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This commit is contained in:
Robin Müller 2023-01-30 14:05:39 +01:00
parent da12495335
commit c64b9b3e71
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GPG Key ID: 11D4952C8CCEF814
2 changed files with 32 additions and 9 deletions
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15
src/fsfw/osal/common/TcpTmTcServer.cpp
View File

@ -26,12 +26,12 @@
const std::string TcpTmTcServer::DEFAULT_SERVER_PORT = tcpip::DEFAULT_SERVER_PORT;
TcpTmTcServer::TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge,
size_t receptionBufferSize, size_t ringBufferSize,
std::string customTcpServerPort, ReceptionModes receptionMode)
TcpTmTcServer::TcpConfig cfg, size_t receptionBufferSize,
size_t ringBufferSize, ReceptionModes receptionMode)
: SystemObject(objectId),
tmtcBridgeId(tmtcTcpBridge),
receptionMode(receptionMode),
tcpConfig(std::move(customTcpServerPort)),
tcpConfig(cfg),
receptionBuffer(receptionBufferSize),
ringBuffer(ringBufferSize, true) {}
@ -91,6 +91,15 @@ ReturnValue_t TcpTmTcServer::initialize() {
return returnvalue::FAILED;
}
if (tcpConfig.reuseAddr) {
unsigned int enable = 1;
setsockopt(listenerTcpSocket, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
}
if (tcpConfig.reusePort) {
unsigned int enable = 1;
setsockopt(listenerTcpSocket, SOL_SOCKET, SO_REUSEPORT, &enable, sizeof(enable));
}
// Bind to the address found by getaddrinfo
retval = bind(listenerTcpSocket, addrResult->ai_addr, static_cast<int>(addrResult->ai_addrlen));
if (retval == SOCKET_ERROR) {

26
src/fsfw/osal/common/TcpTmTcServer.h
View File

@ -41,11 +41,11 @@ class SpacePacketParser;
*/
class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableObjectIF {
public:
enum class ReceptionModes { SPACE_PACKETS };
struct TcpConfig {
public:
explicit TcpConfig(std::string tcpPort) : tcpPort(std::move(tcpPort)) {}
TcpConfig(bool reuseAddr, bool reusePort) : reuseAddr(reuseAddr), reusePort(reusePort) {}
TcpConfig(std::string tcpPort, bool reuseAddr, bool reusePort)
: tcpPort(std::move(tcpPort)), reuseAddr(reuseAddr), reusePort(reusePort) {}
/**
* Passed to the recv call
@ -63,8 +63,23 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
*/
int tcpTmFlags = 0;
const std::string tcpPort;
/**
* Sets the SO_REUSEADDR option on the socket. See
* https://man7.org/linux/man-pages/man7/socket.7.html for more details. This option is
* especially useful in a debugging and development environment where an OBSW image might be
* re-flashed oftentimes and where all incoming telecommands are received on a dedicated TCP
* port.
*/
bool reuseAddr = false;
/**
* Sets the SO_REUSEPORT option on the socket. See
* https://man7.org/linux/man-pages/man7/socket.7.html for more details.
*/
bool reusePort = false;
std::string tcpPort = DEFAULT_SERVER_PORT;
};
enum class ReceptionModes { SPACE_PACKETS };
static const std::string DEFAULT_SERVER_PORT;
@ -80,10 +95,9 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
* size will be the Ethernet MTU size
* @param customTcpServerPort The user can specify another port than the default (7301) here.
*/
TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge,
TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge, TcpTmTcServer::TcpConfig cfg,
size_t receptionBufferSize = RING_BUFFER_SIZE,
size_t ringBufferSize = RING_BUFFER_SIZE,
std::string customTcpServerPort = DEFAULT_SERVER_PORT,
ReceptionModes receptionMode = ReceptionModes::SPACE_PACKETS);
~TcpTmTcServer() override;