void
observe_callback(lcb_t handle, const void *cookie, lcb_error_t error, const lcb_observe_resp_t *resp)
{
struct context_st *ctx = (struct context_st *)cookie;
struct bucket_st *bucket = ctx->bucket;
VALUE key, res, *rv = ctx->rv;
if (resp->v.v0.key) {
key = STR_NEW((const char*)resp->v.v0.key, resp->v.v0.nkey);
ctx->exception = cb_check_error(error, "failed to execute observe request", key);
if (ctx->exception) {
cb_gc_protect(bucket, ctx->exception);
}
res = rb_class_new_instance(0, NULL, cResult);
rb_ivar_set(res, id_iv_completed, Qfalse);
rb_ivar_set(res, id_iv_error, ctx->exception);
rb_ivar_set(res, id_iv_operation, sym_observe);
rb_ivar_set(res, id_iv_key, key);
rb_ivar_set(res, id_iv_cas, ULL2NUM(resp->v.v0.cas));
rb_ivar_set(res, id_iv_from_master, resp->v.v0.from_master ? Qtrue : Qfalse);
rb_ivar_set(res, id_iv_time_to_persist, ULONG2NUM(resp->v.v0.ttp));
rb_ivar_set(res, id_iv_time_to_replicate, ULONG2NUM(resp->v.v0.ttr));
switch (resp->v.v0.status) {
case LCB_OBSERVE_FOUND:
rb_ivar_set(res, id_iv_status, sym_found);
break;
case LCB_OBSERVE_PERSISTED:
rb_ivar_set(res, id_iv_status, sym_persisted);
break;
case LCB_OBSERVE_NOT_FOUND:
rb_ivar_set(res, id_iv_status, sym_not_found);
break;
default:
rb_ivar_set(res, id_iv_status, Qnil);
}
if (bucket->async) { /* asynchronous */
if (ctx->proc != Qnil) {
cb_proc_call(ctx->proc, 1, res);
}
} else { /* synchronous */
if (NIL_P(ctx->exception)) {
VALUE stats = rb_hash_aref(*rv, key);
if (NIL_P(stats)) {
stats = rb_ary_new();
rb_hash_aset(*rv, key, stats);
}
rb_ary_push(stats, res);
}
}
} else {
if (bucket->async && ctx->proc != Qnil) {
res = rb_class_new_instance(0, NULL, cResult);
rb_ivar_set(res, id_iv_completed, Qtrue);
cb_proc_call(ctx->proc, 1, res);
}
ctx->nqueries--;
cb_gc_unprotect(bucket, ctx->proc);
}
(void)handle;
}
void
arithmetic_callback(lcb_t handle, const void *cookie, lcb_error_t error, const lcb_arithmetic_resp_t *resp)
{
struct context_st *ctx = (struct context_st *)cookie;
struct bucket_st *bucket = ctx->bucket;
VALUE cas, key, val, *rv = ctx->rv, exc, res;
ID o;
ctx->nqueries--;
key = STR_NEW((const char*)resp->v.v0.key, resp->v.v0.nkey);
strip_key_prefix(bucket, key);
cas = resp->v.v0.cas > 0 ? ULL2NUM(resp->v.v0.cas) : Qnil;
o = ctx->arith > 0 ? sym_increment : sym_decrement;
exc = cb_check_error(error, "failed to perform arithmetic operation", key);
if (exc != Qnil) {
rb_ivar_set(exc, id_iv_cas, cas);
rb_ivar_set(exc, id_iv_operation, o);
if (bucket->async) {
if (bucket->on_error_proc != Qnil) {
cb_proc_call(bucket->on_error_proc, 3, o, key, exc);
} else {
if (NIL_P(bucket->exception)) {
bucket->exception = exc;
}
}
}
if (NIL_P(ctx->exception)) {
ctx->exception = cb_gc_protect(bucket, exc);
}
}
val = ULL2NUM(resp->v.v0.value);
if (bucket->async) { /* asynchronous */
if (ctx->proc != Qnil) {
res = rb_class_new_instance(0, NULL, cResult);
rb_ivar_set(res, id_iv_error, exc);
rb_ivar_set(res, id_iv_operation, o);
rb_ivar_set(res, id_iv_key, key);
rb_ivar_set(res, id_iv_value, val);
rb_ivar_set(res, id_iv_cas, cas);
cb_proc_call(ctx->proc, 1, res);
}
} else { /* synchronous */
if (NIL_P(exc)) {
if (ctx->extended) {
rb_hash_aset(*rv, key, rb_ary_new3(2, val, cas));
} else {
rb_hash_aset(*rv, key, val);
}
}
}
if (ctx->nqueries == 0) {
cb_gc_unprotect(bucket, ctx->proc);
}
(void)handle;
}
void
cb_http_complete_callback(lcb_http_request_t request, lcb_t handle, const void *cookie, lcb_error_t error, const lcb_http_resp_t *resp)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE key, val, res, exc;
lcb_http_status_t status;
ctx->request->completed = 1;
if (bucket->destroying) {
cb_context_free(ctx);
return;
}
key = STR_NEW((const char*)resp->v.v0.path, resp->v.v0.npath);
val = resp->v.v0.nbytes ? STR_NEW((const char*)resp->v.v0.bytes, resp->v.v0.nbytes) : Qnil;
exc = ctx->exception;
if (!RTEST(exc)) {
exc = cb_check_error_with_status(error, "failed to execute HTTP request", key, resp->v.v0.status);
if (exc != Qnil && val != Qnil) {
rb_ivar_set(exc, cb_id_iv_body, val);
}
}
if (RTEST(exc)) {
if (rb_obj_is_kind_of(exc, cb_eHTTPError)) {
rb_funcall(exc, cb_id_parse_body_bang, 0);
}
ctx->exception = exc;
}
status = resp->v.v0.status;
if (resp->v.v0.headers) {
cb_build_headers(ctx, resp->v.v0.headers);
ctx->headers_val = Qnil;
}
if (ctx->extended) {
res = rb_class_new_instance(0, NULL, cb_cResult);
rb_ivar_set(res, cb_id_iv_error, ctx->exception);
rb_ivar_set(res, cb_id_iv_status, status ? INT2FIX(status) : Qnil);
rb_ivar_set(res, cb_id_iv_operation, cb_sym_http_request);
rb_ivar_set(res, cb_id_iv_key, key);
rb_ivar_set(res, cb_id_iv_value, val);
rb_ivar_set(res, cb_id_iv_completed, Qtrue);
rb_ivar_set(res, cb_id_iv_headers, ctx->headers_val);
} else {
res = val;
}
if (ctx->proc != Qnil) {
cb_proc_call(bucket, ctx->proc, 1, res);
ctx->proc = Qnil;
}
if (!bucket->async && ctx->exception == Qnil) {
ctx->rv = res;
}
if (bucket->async) {
cb_context_free(ctx);
}
(void)handle;
(void)request;
}
void
http_data_callback(lcb_http_request_t request, lcb_t handle, const void *cookie, lcb_error_t error, const lcb_http_resp_t *resp)
{
struct context_st *ctx = (struct context_st *)cookie;
struct bucket_st *bucket = ctx->bucket;
VALUE key, val, res;
key = STR_NEW((const char*)resp->v.v0.path, resp->v.v0.npath);
ctx->exception = cb_check_error_with_status(error,
"failed to execute HTTP request", key, resp->v.v0.status);
val = resp->v.v0.nbytes ? STR_NEW((const char*)resp->v.v0.bytes, resp->v.v0.nbytes) : Qnil;
if (ctx->exception != Qnil) {
cb_gc_protect(bucket, ctx->exception);
lcb_cancel_http_request(bucket->handle, request);
}
if (resp->v.v0.headers) {
cb_build_headers(ctx, resp->v.v0.headers);
}
if (ctx->proc != Qnil) {
if (ctx->extended) {
res = rb_class_new_instance(0, NULL, cResult);
rb_ivar_set(res, id_iv_error, ctx->exception);
rb_ivar_set(res, id_iv_operation, sym_http_request);
rb_ivar_set(res, id_iv_key, key);
rb_ivar_set(res, id_iv_value, val);
rb_ivar_set(res, id_iv_completed, Qfalse);
rb_ivar_set(res, id_iv_headers, ctx->headers_val);
} else {
res = val;
}
cb_proc_call(ctx->proc, 1, res);
}
(void)handle;
}
void
cb_storage_callback(lcb_t handle, const void *cookie, lcb_storage_t operation,
lcb_error_t error, const lcb_store_resp_t *resp)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE key, cas, exc, res;
key = STR_NEW((const char*)resp->v.v0.key, resp->v.v0.nkey);
cb_strip_key_prefix(bucket, key);
cas = resp->v.v0.cas > 0 ? ULL2NUM(resp->v.v0.cas) : Qnil;
ctx->operation = storage_opcode_to_sym(operation);
exc = cb_check_error(error, "failed to store value", key);
if (exc != Qnil) {
rb_ivar_set(exc, cb_id_iv_cas, cas);
rb_ivar_set(exc, cb_id_iv_operation, ctx->operation);
ctx->exception = exc;
}
if (bucket->async) { /* asynchronous */
if (RTEST(ctx->observe_options)) {
VALUE args[2]; /* it's ok to pass pointer to stack struct here */
args[0] = rb_hash_new();
rb_hash_aset(args[0], key, cas);
args[1] = ctx->observe_options;
rb_block_call(bucket->self, cb_id_observe_and_wait, 2, args,
storage_observe_callback, (VALUE)ctx);
ctx->observe_options = Qnil;
} else if (ctx->proc != Qnil) {
res = rb_class_new_instance(0, NULL, cb_cResult);
rb_ivar_set(res, cb_id_iv_error, exc);
rb_ivar_set(res, cb_id_iv_key, key);
rb_ivar_set(res, cb_id_iv_operation, ctx->operation);
rb_ivar_set(res, cb_id_iv_cas, cas);
cb_proc_call(bucket, ctx->proc, 1, res);
}
} else { /* synchronous */
rb_hash_aset(ctx->rv, key, cas);
}
if (!RTEST(ctx->observe_options)) {
ctx->nqueries--;
if (ctx->nqueries == 0) {
ctx->proc = Qnil;
if (bucket->async) {
cb_context_free(ctx);
}
}
}
(void)handle;
}
void
cb_http_data_callback(lcb_http_request_t request, lcb_t handle, const void *cookie, lcb_error_t error, const lcb_http_resp_t *resp)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE key, val, res;
lcb_http_status_t status;
key = STR_NEW((const char*)resp->v.v0.path, resp->v.v0.npath);
val = resp->v.v0.nbytes ? STR_NEW((const char*)resp->v.v0.bytes, resp->v.v0.nbytes) : Qnil;
status = resp->v.v0.status;
if (NIL_P(ctx->exception)) {
ctx->exception = cb_check_error_with_status(error,
"failed to execute HTTP request", key, resp->v.v0.status);
if (ctx->exception != Qnil) {
VALUE body_str = rb_ivar_get(ctx->exception, cb_id_iv_body);
if (NIL_P(body_str)) {
rb_ivar_set(ctx->exception, cb_id_iv_body, val);
} else {
rb_str_concat(body_str, val);
}
return;
}
}
if (resp->v.v0.headers) {
cb_build_headers(ctx, resp->v.v0.headers);
}
if (ctx->proc != Qnil) {
if (ctx->extended) {
res = rb_class_new_instance(0, NULL, cb_cResult);
rb_ivar_set(res, cb_id_iv_error, Qnil);
rb_ivar_set(res, cb_id_iv_status, status ? INT2FIX(status) : Qnil);
rb_ivar_set(res, cb_id_iv_operation, cb_sym_http_request);
rb_ivar_set(res, cb_id_iv_key, key);
rb_ivar_set(res, cb_id_iv_value, val);
rb_ivar_set(res, cb_id_iv_completed, Qfalse);
rb_ivar_set(res, cb_id_iv_headers, ctx->headers_val);
} else {
res = val;
}
cb_proc_call(bucket, ctx->proc, 1, res);
}
(void)handle;
}
void
cb_version_callback(lcb_t handle, const void *cookie, lcb_error_t error, const lcb_server_version_resp_t *resp)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE node, val, exc, res;
node = resp->v.v0.server_endpoint ? STR_NEW_CSTR(resp->v.v0.server_endpoint) : Qnil;
exc = cb_check_error(error, "failed to get version", node);
if (exc != Qnil) {
rb_ivar_set(exc, cb_id_iv_operation, cb_sym_version);
ctx->exception = exc;
}
if (node != Qnil) {
val = STR_NEW((const char*)resp->v.v0.vstring, resp->v.v0.nvstring);
if (bucket->async) { /* asynchronous */
if (ctx->proc != Qnil) {
res = rb_class_new_instance(0, NULL, cb_cResult);
rb_ivar_set(res, cb_id_iv_error, exc);
rb_ivar_set(res, cb_id_iv_operation, cb_sym_version);
rb_ivar_set(res, cb_id_iv_node, node);
rb_ivar_set(res, cb_id_iv_value, val);
cb_proc_call(bucket, ctx->proc, 1, res);
}
} else { /* synchronous */
if (NIL_P(exc)) {
rb_hash_aset(ctx->rv, node, val);
}
}
} else {
ctx->nqueries--;
ctx->proc = Qnil;
if (bucket->async) {
cb_context_free(ctx);
}
}
(void)handle;
}
static VALUE
storage_observe_callback(VALUE args, VALUE cookie)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE res = rb_ary_shift(args);
if (ctx->proc != Qnil) {
rb_ivar_set(res, cb_id_iv_operation, ctx->operation);
cb_proc_call(bucket, ctx->proc, 1, res);
}
if (!RTEST(ctx->observe_options)) {
ctx->nqueries--;
if (ctx->nqueries == 0) {
ctx->proc = Qnil;
if (bucket->async) {
cb_context_free(ctx);
}
}
}
return Qnil;
}
void
cb_unlock_callback(lcb_t handle, const void *cookie, lcb_error_t error, const lcb_unlock_resp_t *resp)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE key, exc = Qnil, res;
ctx->nqueries--;
key = STR_NEW((const char*)resp->v.v0.key, resp->v.v0.nkey);
cb_strip_key_prefix(bucket, key);
if (error != LCB_KEY_ENOENT || !ctx->quiet) {
exc = cb_check_error(error, "failed to unlock value", key);
if (exc != Qnil) {
rb_ivar_set(exc, cb_id_iv_operation, cb_sym_unlock);
ctx->exception = exc;
}
}
if (bucket->async) { /* asynchronous */
if (ctx->proc != Qnil) {
res = rb_class_new_instance(0, NULL, cb_cResult);
rb_ivar_set(res, cb_id_iv_error, exc);
rb_ivar_set(res, cb_id_iv_operation, cb_sym_unlock);
rb_ivar_set(res, cb_id_iv_key, key);
cb_proc_call(bucket, ctx->proc, 1, res);
}
} else { /* synchronous */
rb_hash_aset(ctx->rv, key, (error == LCB_SUCCESS) ? Qtrue : Qfalse);
}
if (ctx->nqueries == 0) {
ctx->proc = Qnil;
if (bucket->async) {
cb_context_free(ctx);
}
}
(void)handle;
}
void
cb_get_callback(lcb_t handle, const void *cookie, lcb_error_t error, const lcb_get_resp_t *resp)
{
struct cb_context_st *ctx = (struct cb_context_st *)cookie;
struct cb_bucket_st *bucket = ctx->bucket;
VALUE key, val, flags, cas, exc = Qnil, res, raw;
ctx->nqueries--;
key = STR_NEW((const char*)resp->v.v0.key, resp->v.v0.nkey);
cb_strip_key_prefix(bucket, key);
if (error != LCB_KEY_ENOENT || !ctx->quiet) {
exc = cb_check_error(error, "failed to get value", key);
if (exc != Qnil) {
rb_ivar_set(exc, cb_id_iv_operation, cb_sym_get);
ctx->exception = exc;
}
}
flags = ULONG2NUM(resp->v.v0.flags);
cas = ULL2NUM(resp->v.v0.cas);
raw = STR_NEW((const char*)resp->v.v0.bytes, resp->v.v0.nbytes);
val = cb_decode_value(ctx->transcoder, raw, resp->v.v0.flags, ctx->transcoder_opts);
if (rb_obj_is_kind_of(val, rb_eStandardError)) {
VALUE exc_str = rb_funcall(val, cb_id_to_s, 0);
VALUE msg = rb_funcall(rb_mKernel, cb_id_sprintf, 3,
rb_str_new2("unable to convert value for key \"%s\": %s"), key, exc_str);
ctx->exception = rb_exc_new3(cb_eValueFormatError, msg);
rb_ivar_set(ctx->exception, cb_id_iv_operation, cb_sym_get);
rb_ivar_set(ctx->exception, cb_id_iv_key, key);
rb_ivar_set(ctx->exception, cb_id_iv_inner_exception, val);
val = Qnil;
}
if (bucket->async) { /* asynchronous */
if (ctx->proc != Qnil) {
res = rb_class_new_instance(0, NULL, cb_cResult);
rb_ivar_set(res, cb_id_iv_error, exc);
rb_ivar_set(res, cb_id_iv_operation, cb_sym_get);
rb_ivar_set(res, cb_id_iv_key, key);
rb_ivar_set(res, cb_id_iv_value, val);
rb_ivar_set(res, cb_id_iv_flags, flags);
rb_ivar_set(res, cb_id_iv_cas, cas);
cb_proc_call(bucket, ctx->proc, 1, res);
}
} else { /* synchronous */
if (NIL_P(exc) && error != LCB_KEY_ENOENT) {
if (ctx->extended) {
val = rb_ary_new3(3, val, flags, cas);
}
if (ctx->all_replicas) {
VALUE ary = rb_hash_aref(ctx->rv, key);
if (NIL_P(ary)) {
ary = rb_ary_new();
rb_hash_aset(ctx->rv, key, ary);
}
rb_ary_push(ary, val);
} else {
rb_hash_aset(ctx->rv, key, val);
}
}
}
if (ctx->nqueries == 0) {
ctx->proc = Qnil;
if (bucket->async) {
cb_context_free(ctx);
}
}
(void)handle;
}
static VALUE
trigger_timer(VALUE timer)
{
struct timer_st *tm = DATA_PTR(timer);
return cb_proc_call(tm->callback, 1, timer);
}
