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Address socket issues with MariaDB

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Use a new method of determining how to send the connection information to the database
This commit is contained in:
Jonathan Romano 2022-11-07 04:26:15 -05:00 committed by GitHub
parent 1464762bcd
commit 2f48981801
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 25 additions and 4 deletions
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29
dDatabase/Database.cpp
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@ -14,8 +14,6 @@ std::string Database::database;
void Database::Connect(const string& host, const string& database, const string& username, const string& password) {
//To bypass debug issues:
std::string newHost = "tcp://" + host;
const char* szHost = newHost.c_str();
const char* szDatabase = database.c_str();
const char* szUsername = username.c_str();
const char* szPassword = password.c_str();
@ -23,7 +21,24 @@ void Database::Connect(const string& host, const string& database, const string&
driver = sql::mariadb::get_driver_instance();
sql::Properties properties;
properties["hostName"] = szHost;
// The mariadb connector is *supposed* to handle unix:// and pipe:// prefixes to hostName, but there are bugs where
// 1) it tries to parse a database from the connection string (like in tcp://localhost:3001/darkflame) based on the
// presence of a /
// 2) even avoiding that, the connector still assumes you're connecting with a tcp socket
// So, what we do in the presence of a unix socket or pipe is to set the hostname to the protocol and localhost,
// which avoids parsing errors while still ensuring the correct connection type is used, and then setting the appropriate
// property manually (which the URL parsing fails to do)
const std::string UNIX_PROTO = "unix://";
const std::string PIPE_PROTO = "pipe://";
if (host.find(UNIX_PROTO) == 0) {
properties["hostName"] = "unix://localhost";
properties["localSocket"] = host.substr(UNIX_PROTO.length()).c_str();
} else if (host.find(PIPE_PROTO) == 0) {
properties["hostName"] = "pipe://localhost";
properties["pipe"] = host.substr(PIPE_PROTO.length()).c_str();
} else {
properties["hostName"] = host.c_str();
}
properties["user"] = szUsername;
properties["password"] = szPassword;
properties["autoReconnect"] = "true";
@ -35,7 +50,13 @@ void Database::Connect(const string& host, const string& database, const string&
}
void Database::Connect() {
con = driver->connect(Database::props["hostName"].c_str(), Database::props["user"].c_str(), Database::props["password"].c_str());
// `connect(const Properties& props)` segfaults in windows debug, but
// `connect(const SQLString& host, const SQLString& user, const SQLString& pwd)` doesn't handle pipes/unix sockets correctly
if (Database::props.find("localSocket") != Database::props.end() || Database::props.find("pipe") != Database::props.end()) {
con = driver->connect(Database::props);
} else {
con = driver->connect(Database::props["hostName"].c_str(), Database::props["user"].c_str(), Database::props["password"].c_str());
}
con->setSchema(Database::database.c_str());
}