Merge pull request #4053 from sysown/v2.x-fix_several_warnings

Fix several simple compiler warnings

lib/MySQL_HostGroups_Manager.cpp

@@ -3662,7 +3662,7 @@ void MySQL_HostGroups_Manager::group_replication_lag_action(
 	wrlock();
 
 	int reader_hostgroup = 0;
-	bool writer_is_also_reader = false;
+	// bool writer_is_also_reader = false;
 
 	// Get the reader_hostgroup for the supplied writter hostgroup
 	const std::string t_reader_hostgroup_query {
@@ -3688,7 +3688,7 @@ void MySQL_HostGroups_Manager::group_replication_lag_action(
 
 	rhid_row = rhid_res->rows[0];
 	reader_hostgroup = atoi(rhid_row->fields[0]);
-	writer_is_also_reader = atoi(rhid_row->fields[1]);
+	// writer_is_also_reader = atoi(rhid_row->fields[1]);
 
 	{
 		MyHGC* myhgc = nullptr;

lib/MySQL_Logger.cpp

@@ -542,7 +542,7 @@ void MySQL_Logger::events_open_log_unlocked() {
 		events.logfile->open(filen , std::ios::out | std::ios::binary);
 		proxy_info("Starting new mysql event log file %s\n", filen);
 	}
-	catch (std::ofstream::failure e) {
+	catch (const std::ofstream::failure&) {
 		proxy_error("Error creating new mysql event log file %s\n", filen);
 		delete events.logfile;
 		events.logfile=NULL;
@@ -571,7 +571,7 @@ void MySQL_Logger::audit_open_log_unlocked() {
 		audit.logfile->open(filen , std::ios::out | std::ios::binary);
 		proxy_info("Starting new audit log file %s\n", filen);
 	}
-	catch (std::ofstream::failure e) {
+	catch (const std::ofstream::failure&) {
 		proxy_error("Error creating new audit log file %s\n", filen);
 		delete audit.logfile;
 		audit.logfile=NULL;

lib/MySQL_Session.cpp

@@ -19,6 +19,7 @@
 #include "MySQL_Protocol.h"
 #include "SQLite3_Server.h"
 #include "MySQL_Variables.h"
+#include "ProxySQL_Cluster.hpp"
 
 
 #include "libinjection.h"

lib/ProxySQL_Cluster.cpp

@@ -87,7 +87,7 @@ void * ProxySQL_Cluster_Monitor_thread(void *args) {
 		GloProxyCluster->get_credentials(&username, &password);
 		if (strlen(username)) { // do not monitor if the username is empty
 			unsigned int timeout = 1;
-			unsigned int timeout_long = 60;
+			// unsigned int timeout_long = 60;
 			if (conn == NULL) {
 				conn = mysql_init(NULL);
 				if (conn==NULL) {
@@ -906,7 +906,7 @@ void ProxySQL_Cluster::pull_mysql_query_rules_from_peer(const string& expected_c
 		GloProxyCluster->get_credentials(&username, &password);
 		if (strlen(username)) { // do not monitor if the username is empty
 			unsigned int timeout = 1;
-			unsigned int timeout_long = 60;
+			// unsigned int timeout_long = 60;
 			mysql_options(conn, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
 			//mysql_options(conn, MYSQL_OPT_READ_TIMEOUT, &timeout_long);
 			//mysql_options(conn, MYSQL_OPT_WRITE_TIMEOUT, &timeout);
@@ -1177,7 +1177,7 @@ void ProxySQL_Cluster::pull_mysql_users_from_peer(const string& expected_checksu
 		GloProxyCluster->get_credentials(&username, &password);
 		if (strlen(username)) { // do not monitor if the username is empty
 			unsigned int timeout = 1;
-			unsigned int timeout_long = 60;
+			// unsigned int timeout_long = 60;
 			mysql_options(conn, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
 			//mysql_options(conn, MYSQL_OPT_READ_TIMEOUT, &timeout_long);
 			//mysql_options(conn, MYSQL_OPT_WRITE_TIMEOUT, &timeout);
@@ -1498,7 +1498,7 @@ void ProxySQL_Cluster::pull_mysql_servers_from_peer(const std::string& checksum,
 		GloProxyCluster->get_credentials(&username, &password);
 		if (strlen(username)) { // do not monitor if the username is empty
 			unsigned int timeout = 1;
-			unsigned int timeout_long = 60;
+			// unsigned int timeout_long = 60;
 			mysql_options(conn, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
 			//mysql_options(conn, MYSQL_OPT_READ_TIMEOUT, &timeout_long);
 			//mysql_options(conn, MYSQL_OPT_WRITE_TIMEOUT, &timeout);
@@ -1868,7 +1868,7 @@ void ProxySQL_Cluster::pull_global_variables_from_peer(const string& var_type, c
 		GloProxyCluster->get_credentials(&username, &password);
 		if (strlen(username)) { // do not monitor if the username is empty
 			unsigned int timeout = 1;
-			unsigned int timeout_long = 60;
+			// unsigned int timeout_long = 60;
 			mysql_options(conn, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
 			//mysql_options(conn, MYSQL_OPT_READ_TIMEOUT, &timeout_long);
 			//mysql_options(conn, MYSQL_OPT_WRITE_TIMEOUT, &timeout);
@@ -2020,7 +2020,7 @@ void ProxySQL_Cluster::pull_proxysql_servers_from_peer(const std::string& expect
 		GloProxyCluster->get_credentials(&username, &password);
 		if (strlen(username)) { // do not monitor if the username is empty
 			unsigned int timeout = 1;
-			unsigned int timeout_long = 60;
+			// unsigned int timeout_long = 60;
 			mysql_options(conn, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
 			//mysql_options(conn, MYSQL_OPT_READ_TIMEOUT, &timeout_long);
 			//mysql_options(conn, MYSQL_OPT_WRITE_TIMEOUT, &timeout);

lib/ProxySQL_RESTAPI_Server.cpp

@@ -118,7 +118,7 @@ private:
 		}
 
 		std::string script;
-		int interval_ms;
+		int interval_ms = 1;
 		auto result=find_script(req, script, interval_ms);
 
 		// result == nullpts means that script was found and we can execute it. continue.
@@ -290,19 +290,25 @@ public:
 			input_params.push_back({arg.first, arg.second});
 		}
 
-		const char* req_path { req.get_path().c_str() };
 		const string s_params { input_params.dump() };
+
+#ifdef DEBUG
+		const char* req_path { req.get_path().c_str() };
 		const char* p_params { s_params.c_str() };
 		proxy_debug(PROXY_DEBUG_RESTAPI, 1, "Processing GET - req: '%s', params: `%s`\n", req_path, p_params);
+#endif
 
 		return process_request(req, s_params);
 	}
 
 	const std::shared_ptr<http_response> render_POST(const http_request& req) {
 		std::string params=req.get_content();
+
+#ifdef DEBUG
 		const char* req_path { req.get_path().c_str() };
 		const char* p_params { params.c_str() };
 		proxy_debug(PROXY_DEBUG_RESTAPI, 1, "Processing POST - req: '%s', params: `%s`\n", req_path, p_params);
+#endif
 
 		return process_request(req, params);
 	}