Added a command line parameter to disable Stratum HTTP

docs/COMMAND_LINE.MD

@@ -34,6 +34,7 @@
 --version            Print p2pool's version and build details
 --tls-cert file      Load TLS certificate chain from "file" in the PEM format
 --tls-cert-key file  Load TLS certificate private key from "file" in the PEM format
+--no-stratum-http    Disable HTTP on Stratum ports
 ```
 
 ### Example command line

src/main.cpp

@@ -78,6 +78,7 @@ void p2pool_usage()
 		"--tls-cert file      Load TLS certificate chain from \"file\" in the PEM format\n"
 		"--tls-cert-key file  Load TLS certificate private key from \"file\" in the PEM format\n"
 #endif
+		"--no-stratum-http    Disable HTTP on Stratum ports\n"
 		"--help               Show this help message\n\n"
 		"Example command line:\n\n"
 		"%s --host 127.0.0.1 --rpc-port 18081 --zmq-port 18083 --wallet YOUR_WALLET_ADDRESS --stratum 0.0.0.0:%d --p2p 0.0.0.0:%d\n\n",

src/params.cpp

@@ -213,6 +213,11 @@ Params::Params(int argc, char* const argv[])
 		}
 #endif
 
+		if (strcmp(argv[i], "--no-stratum-http") == 0) {
+			m_enableStratumHTTP = false;
+			ok = true;
+		}
+
 		if (!ok) {
 			fprintf(stderr, "Unknown command line parameter %s\n\n", argv[i]);
 			p2pool_usage();

src/params.h

@@ -96,6 +96,7 @@ struct Params
 	std::string m_tlsCert;
 	std::string m_tlsCertKey;
 #endif
+	bool m_enableStratumHTTP = true;
 };
 
 } // namespace p2pool

src/stratum_server.cpp

@@ -602,6 +602,11 @@ void StratumServer::reset_share_counters()
 	m_totalFailedShares = 0;
 }
 
+bool StratumServer::http_enabled() const
+{
+	return m_pool->params().m_enableStratumHTTP;
+}
+
 const char* StratumServer::get_log_category() const
 {
 	return log_category_prefix;
@@ -1204,7 +1209,7 @@ bool StratumServer::StratumClient::on_read(const char* data, uint32_t size)
 		for (char *c = line_start + m_stratumReadBufBytes - size; c < e; ++c) {
 			if (*c == '\n') {
 				// Check if the line starts with "GET " or "HEAD" (an HTTP request)
-				if (c - line_start >= 4) {
+				if (static_cast<StratumServer*>(m_owner)->http_enabled() && (c - line_start >= 4)) {
 					const uint32_t line_start_data = read_unaligned(reinterpret_cast<uint32_t*>(line_start));
 
 					const bool is_http_get  = (line_start_data == 0x20544547U);

src/stratum_server.h

@@ -102,6 +102,8 @@ public:
 
 	void reset_share_counters();
 
+	bool http_enabled() const;
+
 private:
 	[[nodiscard]] const char* get_log_category() const override;