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// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_TEST_UTIL_NET_H
#define BITCOIN_TEST_UTIL_NET_H
#include <compat.h>
#include <net.h>
#include <util/sock.h>
#include <cassert>
#include <cstring>
#include <string>
struct ConnmanTestMsg : public CConnman {
using CConnman::CConnman;
void AddTestNode(CNode& node)
{
LOCK(cs_vNodes);
vNodes.push_back(&node);
}
void ClearTestNodes()
{
LOCK(cs_vNodes);
for (CNode* node : vNodes) {
delete node;
}
vNodes.clear();
}
void ProcessMessagesOnce(CNode& node) { m_msgproc->ProcessMessages(&node, flagInterruptMsgProc); }
void NodeReceiveMsgBytes(CNode& node, Span<const uint8_t> msg_bytes, bool& complete) const;
bool ReceiveMsgFrom(CNode& node, CSerializedNetMsg& ser_msg) const;
};
constexpr ServiceFlags ALL_SERVICE_FLAGS[]{
NODE_NONE,
NODE_NETWORK,
NODE_BLOOM,
NODE_WITNESS,
NODE_COMPACT_FILTERS,
NODE_NETWORK_LIMITED,
};
constexpr NetPermissionFlags ALL_NET_PERMISSION_FLAGS[]{
NetPermissionFlags::None,
NetPermissionFlags::BloomFilter,
NetPermissionFlags::Relay,
NetPermissionFlags::ForceRelay,
NetPermissionFlags::NoBan,
NetPermissionFlags::Mempool,
NetPermissionFlags::Addr,
NetPermissionFlags::Download,
NetPermissionFlags::Implicit,
NetPermissionFlags::All,
};
constexpr ConnectionType ALL_CONNECTION_TYPES[]{
ConnectionType::INBOUND,
ConnectionType::OUTBOUND_FULL_RELAY,
ConnectionType::MANUAL,
ConnectionType::FEELER,
ConnectionType::BLOCK_RELAY,
ConnectionType::ADDR_FETCH,
};
/**
* A mocked Sock alternative that returns a statically contained data upon read and succeeds
* and ignores all writes. The data to be returned is given to the constructor and when it is
* exhausted an EOF is returned by further reads.
*/
class StaticContentsSock : public Sock
{
public:
explicit StaticContentsSock(const std::string& contents) : m_contents{contents}, m_consumed{0}
{
// Just a dummy number that is not INVALID_SOCKET.
m_socket = INVALID_SOCKET - 1;
}
~StaticContentsSock() override { Reset(); }
StaticContentsSock& operator=(Sock&& other) override
{
assert(false && "Move of Sock into MockSock not allowed.");
return *this;
}
void Reset() override
{
m_socket = INVALID_SOCKET;
}
ssize_t Send(const void*, size_t len, int) const override { return len; }
ssize_t Recv(void* buf, size_t len, int flags) const override
{
const size_t consume_bytes{std::min(len, m_contents.size() - m_consumed)};
std::memcpy(buf, m_contents.data() + m_consumed, consume_bytes);
if ((flags & MSG_PEEK) == 0) {
m_consumed += consume_bytes;
}
return consume_bytes;
}
int Connect(const sockaddr*, socklen_t) const override { return 0; }
int GetSockOpt(int level, int opt_name, void* opt_val, socklen_t* opt_len) const override
{
std::memset(opt_val, 0x0, *opt_len);
return 0;
}
bool Wait(std::chrono::milliseconds timeout,
Event requested,
Event* occurred = nullptr) const override
{
if (occurred != nullptr) {
*occurred = requested;
}
return true;
}
private:
const std::string m_contents;
mutable size_t m_consumed;
};
#endif // BITCOIN_TEST_UTIL_NET_H
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