static as_val * map_rec_get(const as_rec * r, const char * name) {
as_map * m = (as_map *) r->data;
as_string s;
as_string_init(&s, (char *) name, false);
as_val * v = as_map_get(m, (as_val *) &s);
as_string_destroy(&s);
return v;
}
/**
* @return AEROSPIKE_OK if successful. Otherwise an error occurred.
*/
as_status aerospike_udf_put(
aerospike * as, as_error * err, const as_policy_info * policy,
const char * filename, as_udf_type type, as_bytes * content)
{
if (type != AS_UDF_TYPE_LUA) {
return as_error_update(err, AEROSPIKE_ERR_PARAM, "Invalid udf type: %d", type);
}
as_error_reset(err);
if (! policy) {
policy = &as->config.policies.info;
}
char* command = NULL;
as_string filename_string;
const char* filebase = as_basename(&filename_string, filename);
uint32_t encoded_len = cf_b64_encoded_len(content->size);
char* content_base64 = malloc(encoded_len + 1);
cf_b64_encode(content->value, content->size, content_base64);
content_base64[encoded_len] = 0;
if (! asprintf(&command, "udf-put:filename=%s;content=%s;content-len=%d;udf-type=%s;",
filebase, content_base64, encoded_len, as_udf_type_str[type])) {
as_string_destroy(&filename_string);
free(content_base64);
return as_error_set_message(err, AEROSPIKE_ERR_CLIENT, "Udf put asprintf failed");
}
as_string_destroy(&filename_string);
char* response = 0;
as_status status = aerospike_info_any(as, err, policy, command, &response);
free(command);
free(content_base64);
if (status) {
return status;
}
free(response);
return AEROSPIKE_OK;
}
//------------------------------------------------
// Register a UDF function in the database.
//
bool
example_register_udf(aerospike* p_as, const char* udf_file_path)
{
FILE* file = fopen(udf_file_path, "r");
if (! file) {
// If we get here it's likely that we're not running the example from
// the right directory - the specific example directory.
LOG("cannot open script file %s : %s", udf_file_path, strerror(errno));
return false;
}
// Read the file's content into a local buffer.
uint8_t* content = (uint8_t*)malloc(1024 * 1024);
if (! content) {
LOG("script content allocation failed");
return false;
}
uint8_t* p_write = content;
int read = (int)fread(p_write, 1, 512, file);
int size = 0;
while (read) {
size += read;
p_write += read;
read = (int)fread(p_write, 1, 512, file);
}
fclose(file);
// Wrap the local buffer as an as_bytes object.
as_bytes udf_content;
as_bytes_init_wrap(&udf_content, content, size, true);
as_error err;
as_string base_string;
const char * base = as_basename(&base_string, udf_file_path);
// Register the UDF file in the database cluster.
if (aerospike_udf_put(p_as, &err, NULL, base, AS_UDF_TYPE_LUA, &udf_content) == AEROSPIKE_OK) {
// Wait for the system metadata to spread to all nodes.
aerospike_udf_put_wait(p_as, &err, NULL, base, 100);
}
else {
LOG("aerospike_udf_put() returned %d - %s", err.code, err.message);
}
as_string_destroy(&base_string);
// This frees the local buffer.
as_bytes_destroy(&udf_content);
return err.code == AEROSPIKE_OK;
}
bool udf_put(const char * filename) {
FILE * file = fopen(filename,"r");
if ( !file ) {
error("cannot open script file %s : %s", filename, strerror(errno));
return -1;
}
uint8_t * content = (uint8_t *) malloc(SCRIPT_LEN_MAX);
if ( content == NULL ) {
error("malloc failed");
return -1;
}
int size = 0;
uint8_t * buff = content;
int read = (int)fread(buff, 1, 512, file);
while ( read ) {
size += read;
buff += read;
read = (int)fread(buff, 1, 512, file);
}
fclose(file);
as_bytes udf_content;
as_bytes_init_wrap(&udf_content, content, size, true);
as_error err;
as_error_reset(&err);
as_string filename_string;
const char * base = as_basename(&filename_string, filename);
if ( aerospike_udf_put(as, &err, NULL, base, AS_UDF_TYPE_LUA, &udf_content) == AEROSPIKE_OK ) {
aerospike_udf_put_wait(as, &err, NULL, base, 100);
}
else {
error("error caused by aerospike_udf_put(): (%d) %s @ %s[%s:%d]", err.code, err.message, err.func, err.file, err.line);
}
as_string_destroy(&filename_string);
as_val_destroy(&udf_content);
return err.code == AEROSPIKE_OK;
}
bool udf_remove(const char * filename) {
as_error err;
as_error_reset(&err);
as_string filename_string;
const char * base = as_basename(&filename_string, filename);
if ( aerospike_udf_remove(as, &err, NULL, base) != AEROSPIKE_OK ) {
error("error caused by aerospike_udf_remove(): (%d) %s @ %s[%s:%d]", err.code, err.message, err.func, err.file, err.line);
}
as_string_destroy(&filename_string);
WAIT_MS(100);
return err.code == AEROSPIKE_OK;
}
//------------------------------------------------
// Remove a UDF function from the database.
//
bool
example_remove_udf(aerospike* p_as, const char* udf_file_path)
{
as_error err;
as_string path_string;
const char * base = as_basename(&path_string, udf_file_path);
if (aerospike_udf_remove(p_as, &err, NULL, base) != AEROSPIKE_OK) {
LOG("aerospike_udf_remove() returned %d - %s", err.code, err.message);
return false;
}
as_string_destroy(&path_string);
// Wait for the system metadata to spread to all nodes.
usleep(100 * 1000);
return true;
}
bool udf_exists(const char * filename) {
as_error err;
as_error_reset(&err);
as_udf_file file;
as_udf_file_init(&file);
as_string filename_string;
const char * base = as_basename(&filename_string, filename);
if ( aerospike_udf_get(as, &err, NULL, base, AS_UDF_TYPE_LUA, &file) != AEROSPIKE_OK ) {
error("error caused by aerospike_udf_get: (%d) %s @ %s[%s:%d]", err.code, err.message, err.func, err.file, err.line);
}
as_string_destroy(&filename_string);
as_udf_file_destroy(&file);
return err.code == AEROSPIKE_OK;
}
