bool OpenDB()
{
CloseDB();
TDSCONNECTION* conn = NULL;
login = tds_alloc_login();
tds_set_app(login, "TSQL");
tds_set_library(login,"TDS-Library");
tds_set_host(login, "");
tds_set_server(login, host.host.c_str());
tds_set_server_addr(login, host.host.c_str());
tds_set_user(login, host.user.c_str());
tds_set_passwd(login, host.pass.c_str());
tds_set_port(login, host.port);
tds_set_packet(login, 512);
context = tds_alloc_context(this);
context->msg_handler = HandleMessage;
context->err_handler = HandleError;
sock = tds_alloc_socket(context, 512);
tds_set_parent(sock, NULL);
conn = tds_read_config_info(NULL, login, context->locale);
if (tds_connect(sock, conn) == TDS_SUCCEED)
{
tds_free_connection(conn);
return 1;
}
tds_free_connection(conn);
return 0;
}
/*
* pool_mbr_login open a single pool login, to be call at init time or
* to reconnect.
*/
static TDSSOCKET *
pool_mbr_login(TDS_POOL * pool)
{
TDSCONTEXT *context;
TDSLOGIN *login;
TDSSOCKET *tds;
TDSCONNECTION *connection;
int rc;
char *query;
char hostname[MAXHOSTNAMELEN];
login = tds_alloc_login();
tds_set_passwd(login, pool->password);
tds_set_user(login, pool->user);
tds_set_app(login, "tdspool");
#if HAVE_GETHOSTNAME
if (gethostname(hostname, MAXHOSTNAMELEN) < 0)
#endif
tds_strlcpy(hostname, "tdspool", MAXHOSTNAMELEN);
tds_set_host(login, hostname);
tds_set_library(login, "TDS-Library");
tds_set_server(login, pool->server);
tds_set_client_charset(login, "iso_1");
tds_set_language(login, "us_english");
tds_set_packet(login, 512);
context = tds_alloc_context(NULL);
tds = tds_alloc_socket(context, 512);
connection = tds_read_config_info(tds, login, context->locale);
if (!connection || tds_connect_and_login(tds, connection) != TDS_SUCCEED) {
tds_free_socket(tds);
tds_free_connection(connection);
/* what to do? */
fprintf(stderr, "Could not open connection to server %s\n", pool->server);
return NULL;
}
tds_free_connection(connection);
/*
* FIXME -- tds_connect_and_login no longer preallocates the in_buf need to
* do something like what tds_read_packet does
*/
tds->in_buf = (unsigned char *) calloc(BLOCKSIZ, 1);
if (pool->database && strlen(pool->database)) {
query = (char *) malloc(strlen(pool->database) + 5);
sprintf(query, "use %s", pool->database);
rc = tds_submit_query(tds, query);
free(query);
if (rc != TDS_SUCCEED) {
fprintf(stderr, "changing database failed\n");
return NULL;
}
if (tds_process_simple_query(tds) != TDS_SUCCEED)
return NULL;
}
return tds;
}
int
try_tds_login(TDSLOGIN ** login, TDSSOCKET ** tds, const char *appname, int verbose)
{
TDSCONNECTINFO *connect_info;
if (verbose) {
fprintf(stdout, "Entered tds_try_login()\n");
}
if (!login) {
fprintf(stderr, "Invalid TDSLOGIN**\n");
return TDS_FAIL;
}
if (!tds) {
fprintf(stderr, "Invalid TDSSOCKET**\n");
return TDS_FAIL;
}
if (verbose) {
fprintf(stdout, "Trying read_login_info()\n");
}
read_login_info();
if (verbose) {
fprintf(stdout, "Setting login parameters\n");
}
*login = tds_alloc_login();
if (!*login) {
fprintf(stderr, "tds_alloc_login() failed.\n");
return TDS_FAIL;
}
tds_set_passwd(*login, PASSWORD);
tds_set_user(*login, USER);
tds_set_app(*login, appname);
tds_set_host(*login, "myhost");
tds_set_library(*login, "TDS-Library");
tds_set_server(*login, SERVER);
tds_set_client_charset(*login, CHARSET);
tds_set_language(*login, "us_english");
if (verbose) {
fprintf(stdout, "Connecting to database\n");
}
test_context = tds_alloc_context();
*tds = tds_alloc_socket(test_context, 512);
tds_set_parent(*tds, NULL);
connect_info = tds_read_config_info(NULL, *login, test_context->locale);
if (!connect_info || tds_connect(*tds, connect_info) == TDS_FAIL) {
if (connect_info) {
*tds = NULL;
tds_free_connect(connect_info);
}
fprintf(stderr, "tds_connect() failed\n");
return TDS_FAIL;
}
tds_free_connect(connect_info);
return TDS_SUCCEED;
}
/*
* pool_mbr_login open a single pool login, to be call at init time or
* to reconnect.
*/
static TDSSOCKET *
pool_mbr_login(TDS_POOL * pool)
{
TDSCONTEXT *context;
TDSLOGIN *login;
TDSSOCKET *tds;
TDSLOGIN *connection;
char hostname[MAXHOSTNAMELEN];
login = tds_alloc_login(1);
if (gethostname(hostname, MAXHOSTNAMELEN) < 0)
strlcpy(hostname, "tdspool", MAXHOSTNAMELEN);
if (!tds_set_passwd(login, pool->password)
|| !tds_set_user(login, pool->user)
|| !tds_set_app(login, "tdspool")
|| !tds_set_host(login, hostname)
|| !tds_set_library(login, "TDS-Library")
|| !tds_set_server(login, pool->server)
|| !tds_set_client_charset(login, "iso_1")
|| !tds_set_language(login, "us_english")) {
tds_free_login(login);
return NULL;
}
if (pool->database && strlen(pool->database)) {
if (!tds_dstr_copy(&login->database, pool->database)) {
tds_free_login(login);
return NULL;
}
}
context = tds_alloc_context(NULL);
tds = tds_alloc_socket(context, 512);
connection = tds_read_config_info(tds, login, context->locale);
if (!connection || TDS_FAILED(tds_connect_and_login(tds, connection))) {
tds_free_socket(tds);
tds_free_login(connection);
/* what to do? */
fprintf(stderr, "Could not open connection to server %s\n", pool->server);
return NULL;
}
tds_free_login(connection);
if (pool->database && strlen(pool->database)) {
if (strcasecmp(tds->conn->env.database, pool->database) != 0) {
fprintf(stderr, "changing database failed\n");
return NULL;
}
}
return tds;
}
static VALUE tdsl_init(VALUE self, VALUE db_host, VALUE db_user, VALUE db_pass)
{
TDSLOGIN *login;
// printf("tdsl_init - H/U/P: %s/%s/%s\n", STR2CSTR(db_host), STR2CSTR(db_user), STR2CSTR(db_pass));
Data_Get_Struct(self, TDSLOGIN, login);
tds_set_server(login, STR2CSTR(db_host));
tds_set_user(login, STR2CSTR(db_user));
tds_set_passwd(login, STR2CSTR(db_pass));
tds_set_app(login, "Ruby-Script");
tds_set_host(login, "myhost");
tds_set_library(login, "TDS-Library");
tds_set_charset(login, "iso_1");
tds_set_language(login, "us_english");
tds_set_packet(login, 512);
return self;
} // tdsl_init
int
try_tds_login(TDSLOGIN ** login, TDSSOCKET ** tds, const char *appname, int verbose)
{
TDSLOGIN *connection;
const char* base_appname;
base_appname = strrchr(appname, '/');
if (base_appname == NULL) {
base_appname = appname;
} else {
++base_appname;
}
if (verbose) {
fprintf(stdout, "Entered tds_try_login()\n");
}
if (!login) {
fprintf(stderr, "Invalid TDSLOGIN**\n");
return TDS_FAIL;
}
if (!tds) {
fprintf(stderr, "Invalid TDSSOCKET**\n");
return TDS_FAIL;
}
if (verbose) {
fprintf(stdout, "Trying read_login_info()\n");
}
read_login_info();
if (verbose) {
fprintf(stdout, "Setting login parameters\n");
}
*login = tds_alloc_login(1);
if (!*login) {
fprintf(stderr, "tds_alloc_login() failed.\n");
return TDS_FAIL;
}
tds_set_passwd(*login, PASSWORD);
tds_set_user(*login, USER);
tds_set_app(*login, base_appname);
tds_set_host(*login, "myhost");
tds_set_library(*login, "TDS-Library");
tds_set_server(*login, SERVER);
tds_set_client_charset(*login, CHARSET);
tds_set_language(*login, "us_english");
if (verbose) {
fprintf(stdout, "Connecting to database\n");
}
test_context = tds_alloc_context(NULL);
*tds = tds_alloc_socket(test_context, 512);
tds_set_parent(*tds, NULL);
connection = tds_read_config_info(*tds, *login, test_context->locale);
if (!connection || tds_connect_and_login(*tds, connection) != TDS_SUCCESS) {
if (connection) {
tds_free_socket(*tds);
*tds = NULL;
tds_free_login(connection);
}
fprintf(stderr, "tds_connect_and_login() failed\n");
return TDS_FAIL;
}
tds_free_login(connection);
return TDS_SUCCESS;
}
