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Merge bitcoin/bitcoin#23604: Use Sock in CNode

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ef5014d256 style: wrap long lines in CNode creation and add some comments (Vasil Dimov)
b683491648 scripted-diff: rename CNode::cs_hSocket to CNode::m_sock_mutex (Vasil Dimov)
c41a1162ac net: use Sock in CNode (Vasil Dimov)
c5dd72e146 fuzz: move FuzzedSock earlier in src/test/fuzz/util.h (Vasil Dimov)

Pull request description:

  _This is a piece of #21878, chopped off to ease review._

  Change `CNode` to use a pointer to `Sock` instead of a bare `SOCKET`.
  This will help mocking / testing / fuzzing more code.

ACKs for top commit:
  jonatack:
    re-ACK ef5014d256 changes since last review are the removal of an unneeded dtor and the addition of a style commit
  w0xlt:
    reACK ef5014d
  PastaPastaPasta:
    utACK ef5014d256, I have reviewed the code, and believe it makes sense to merge
  theStack:
    Cod-review ACK ef5014d256

Tree-SHA512: 7f5414dd339cd2f16f7cbdc5fcec238d68b6d50072934aea10b901f409da28ff1ece6db6e899196616aa8127b8b25ab5b86d000bdcee58b4cadd7a3c1cf560c5
This commit is contained in:
laanwj
2022-02-04 09:19:20 +01:00
parent 3ace3a17c9 ef5014d256
commit e8a3882e20
5 changed files with 230 additions and 115 deletions
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17
src/net.h
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@@ -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;