aboutsummaryrefslogtreecommitdiff
path: root/src/net.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/net.h')
-rw-r--r--src/net.h17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/net.h b/src/net.h
index 4301733525..3f4c8e38ec 100644
--- a/src/net.h
+++ b/src/net.h
@@ -402,7 +402,17 @@ public:
NetPermissionFlags m_permissionFlags{NetPermissionFlags::None};
std::atomic<ServiceFlags> nServices{NODE_NONE};
- SOCKET hSocket GUARDED_BY(cs_hSocket);
+
+ /**
+ * Socket used for communication with the node.
+ * May not own a Sock object (after `CloseSocketDisconnect()` or during tests).
+ * `shared_ptr` (instead of `unique_ptr`) is used to avoid premature close of
+ * the underlying file descriptor by one thread while another thread is
+ * poll(2)-ing it for activity.
+ * @see https://github.com/bitcoin/bitcoin/issues/21744 for details.
+ */
+ std::shared_ptr<Sock> m_sock GUARDED_BY(m_sock_mutex);
+
/** Total size of all vSendMsg entries */
size_t nSendSize GUARDED_BY(cs_vSend){0};
/** Offset inside the first vSendMsg already sent */
@@ -410,7 +420,7 @@ public:
uint64_t nSendBytes GUARDED_BY(cs_vSend){0};
std::deque<std::vector<unsigned char>> vSendMsg GUARDED_BY(cs_vSend);
Mutex cs_vSend;
- Mutex cs_hSocket;
+ Mutex m_sock_mutex;
Mutex cs_vRecv;
RecursiveMutex cs_vProcessMsg;
@@ -578,8 +588,7 @@ public:
* criterium in CConnman::AttemptToEvictConnection. */
std::atomic<std::chrono::microseconds> m_min_ping_time{std::chrono::microseconds::max()};
- CNode(NodeId id, ServiceFlags nLocalServicesIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress& addrBindIn, const std::string& addrNameIn, ConnectionType conn_type_in, bool inbound_onion);
- ~CNode();
+ CNode(NodeId id, ServiceFlags nLocalServicesIn, std::shared_ptr<Sock> sock, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress& addrBindIn, const std::string& addrNameIn, ConnectionType conn_type_in, bool inbound_onion);
CNode(const CNode&) = delete;
CNode& operator=(const CNode&) = delete;