Limit max in/out peers to 450

To avoid hitting default open files limit (1024)

docs/COMMAND_LINE.MD

@@ -17,8 +17,8 @@
 --no-cache           Disable p2pool.cache
 --no-color           Disable colors in console output
 --no-randomx         Disable internal RandomX hasher: p2pool will use RPC calls to monerod to check PoW hashes
---out-peers N        Maximum number of outgoing connections for p2p server (any value between 10 and 1000)
---in-peers N         Maximum number of incoming connections for p2p server (any value between 10 and 1000)
+--out-peers N        Maximum number of outgoing connections for p2p server (any value between 10 and 450)
+--in-peers N         Maximum number of incoming connections for p2p server (any value between 10 and 450)
 --start-mining N     Start built-in miner using N threads (any value between 1 and 64)
 --mini               Connect to p2pool-mini sidechain. Note that it will also change default p2p port from 37889 to 37888
 --no-autodiff        Disable automatic difficulty adjustment for miners connected to stratum

src/main.cpp

@@ -42,8 +42,8 @@ void p2pool_usage()
 		"--no-cache           Disable p2pool.cache\n"
 		"--no-color           Disable colors in console output\n"
 		"--no-randomx         Disable internal RandomX hasher: p2pool will use RPC calls to monerod to check PoW hashes\n"
-		"--out-peers N        Maximum number of outgoing connections for p2p server (any value between 10 and 1000)\n"
-		"--in-peers N         Maximum number of incoming connections for p2p server (any value between 10 and 1000)\n"
+		"--out-peers N        Maximum number of outgoing connections for p2p server (any value between 10 and 450)\n"
+		"--in-peers N         Maximum number of incoming connections for p2p server (any value between 10 and 450)\n"
 		"--start-mining N     Start built-in miner using N threads (any value between 1 and 64)\n"
 		"--mini               Connect to p2pool-mini sidechain. Note that it will also change default p2p port from %d to %d\n"
 		"--no-autodiff        Disable automatic difficulty adjustment for miners connected to stratum\n"

src/p2p_server.h

@@ -141,8 +141,8 @@ public:
 	uint32_t max_outgoing_peers() const { return m_maxOutgoingPeers; }
 	uint32_t max_incoming_peers() const { return m_maxIncomingPeers; }
 
-	void set_max_outgoing_peers(uint32_t n) { m_maxOutgoingPeers = std::min(std::max(n, 10U), 1000U); }
-	void set_max_incoming_peers(uint32_t n) { m_maxIncomingPeers = std::min(std::max(n, 10U), 1000U); }
+	void set_max_outgoing_peers(uint32_t n) { m_maxOutgoingPeers = std::min(std::max(n, 10U), 450U); }
+	void set_max_incoming_peers(uint32_t n) { m_maxIncomingPeers = std::min(std::max(n, 10U), 450U); }
 
 	int deserialize_block(const uint8_t* buf, uint32_t size);
 	const PoolBlock* get_block() const { return m_block; }

src/params.cpp

@@ -106,12 +106,12 @@ Params::Params(int argc, char* argv[])
 		}
 
 		if ((strcmp(argv[i], "--out-peers") == 0) && (i + 1 < argc)) {
-			m_maxOutgoingPeers = std::min(std::max(strtoul(argv[++i], nullptr, 10), 10UL), 1000UL);
+			m_maxOutgoingPeers = std::min(std::max(strtoul(argv[++i], nullptr, 10), 10UL), 450UL);
 			ok = true;
 		}
 
 		if ((strcmp(argv[i], "--in-peers") == 0) && (i + 1 < argc)) {
-			m_maxIncomingPeers = std::min(std::max(strtoul(argv[++i], nullptr, 10), 10UL), 1000UL);
+			m_maxIncomingPeers = std::min(std::max(strtoul(argv[++i], nullptr, 10), 10UL), 450UL);
 			ok = true;
 		}
 

src/params.h

@@ -45,7 +45,7 @@ struct Params
 	bool m_disableRandomX = true;
 #endif
 	uint32_t m_maxOutgoingPeers = 10;
-	uint32_t m_maxIncomingPeers = 1000;
+	uint32_t m_maxIncomingPeers = 450;
 	uint32_t m_minerThreads = 0;
 	bool m_mini = false;
 	bool m_autoDiff = true;