END_FASTDB_NAMESPACE
USE_FASTDB_NAMESPACE
int cli_open_fdb(char const* server_url,
int max_connect_attempts,
int reconnect_timeout_sec)
{
socket_t* sock;
int n_addresses = 1;
char const* start = server_url;
char const* end;
while ((end = strchr(start, ',')) != NULL) {
start = end + 1;
n_addresses += 1;
}
if (n_addresses == 1) {
sock = socket_t::connect(server_url,
socket_t::sock_any_domain,
max_connect_attempts,
reconnect_timeout_sec);
} else {
char** addresses = new char*[n_addresses];
start = server_url;
for (int i = 0; i < n_addresses; i++) {
end = strchr(start, ',');
if (end == NULL) {
end = start + strlen(start);
}
int len = end - start;
char* addr = new char[len+1];
memcpy(addr, start, len);
addr[len] = '\0';
start = end + 1;
addresses[i] = addr;
}
sock = replication_socket_t::connect((char const**)addresses,
n_addresses,
max_connect_attempts,
reconnect_timeout_sec);
while (--n_addresses >= 0) {
delete[] addresses[n_addresses];
}
delete[] addresses;
}
if (!sock->is_ok()) {
delete sock;
return cli_connection_refused;
}
session_desc* session = sessions.allocate();
session->sock = sock;
session->stmts = NULL;
return session->id;
}
int cli_open(char const* server_url,
int max_connect_attempts,
int reconnect_timeout_sec)
{
socket_t* sock = socket_t::connect(server_url,
socket_t::sock_any_domain,
max_connect_attempts,
reconnect_timeout_sec);
if (!sock->is_ok()) {
delete sock;
return cli_connection_refused;
}
session_desc* session = sessions.allocate();
session->sock = sock;
session->stmts = NULL;
return session->id;
}
int cli_statement(int session, char const* stmt_str)
{
session_desc* s = sessions.get(session);
if (s == NULL) {
return cli_bad_descriptor;
}
statement_desc* stmt = statements.allocate();
stmt->stmt = new char[strlen(stmt_str)+1];
stmt->columns = NULL;
stmt->params = NULL;
stmt->session = s;
stmt->for_update = 0;
stmt->prepared = false;
stmt->n_params = 0;
stmt->n_columns = 0;
stmt->columns_len = 0;
stmt->oid = 0;
stmt->next = s->stmts;
s->stmts = stmt;
char const* p = stmt_str;
char* dst = stmt->stmt;
parameter_binding** last = &stmt->params;
while (*p != '\0') {
if (*p == '\'') {
do {
do {
*dst++ = *p++;
} while (*p != '\0' && *p != '\'');
*dst++ = *p;
if (*p == '\0') {
*last = NULL;
stmt->free();
statements.free(stmt);
return cli_bad_statement;
}
} while (*++p == '\'');
} else if (*p == '%') {
stmt->n_params += 1;
char const* q = p++;
while (isalnum((unsigned char)*p)) p += 1;
if (*p == '%') {
*last = NULL;
stmt->free();
statements.free(stmt);
return cli_bad_statement;
}
parameter_binding* pb = new parameter_binding;
int len = p - q;
pb->name = new char[len+1];
memcpy(pb->name, q, len);
pb->name[len] = '\0';
*last = pb;
last = &pb->next;
pb->var_ptr = NULL;
*dst++ = '\0';
} else {
*dst++ = *p++;
}
}
if (dst == stmt->stmt || *(dst-1) != '\0') {
*dst++ = '\0';
}
stmt->stmt_len = dst - stmt->stmt;
*last = NULL;
return stmt->id;
}
