/*
* Document-method: new
*
* call-seq:
* PGconn.new(connection_hash) -> PGconn
* PGconn.new(connection_string) -> PGconn
* PGconn.new(host, port, options, tty, dbname, login, password) -> PGconn
*
* * +host+ - server hostname
* * +hostaddr+ - server address (avoids hostname lookup, overrides +host+)
* * +port+ - server port number
* * +dbname+ - connecting database name
* * +user+ - login user name
* * +password+ - login password
* * +connect_timeout+ - maximum time to wait for connection to succeed
* * +options+ - backend options
* * +tty+ - (ignored in newer versions of PostgreSQL)
* * +sslmode+ - (disable|allow|prefer|require)
* * +krbsrvname+ - kerberos service name
* * +gsslib+ - GSS library to use for GSSAPI authentication
* * +service+ - service name to use for additional parameters
*
* _connection_hash_ example: +PGconn.connect(:dbname=>'test', :port=>5432)
* _connection_string_ example: +PGconn.connect("dbname=test port=5432")
* _connection_hash_ example: +PGconn.connect(nil,5432,nil,nil,'test',nil,nil)
*
* On failure, it raises a PGError exception.
*/
static VALUE
pgconn_init(int argc, VALUE *argv, VALUE self)
{
PGconn *conn = NULL;
VALUE conninfo;
VALUE error;
conninfo = parse_connect_args(argc, argv, self);
conn = PQconnectdb(StringValuePtr(conninfo));
if(conn == NULL)
rb_raise(rb_ePGError, "PQconnectStart() unable to allocate structure");
Check_Type(self, T_DATA);
DATA_PTR(self) = conn;
if (PQstatus(conn) == CONNECTION_BAD) {
error = rb_exc_new2(rb_ePGError, PQerrorMessage(conn));
rb_iv_set(error, "@connection", self);
rb_exc_raise(error);
}
if (rb_block_given_p()) {
return rb_ensure(rb_yield, self, pgconn_finish, self);
}
return self;
}