/* taken from rabbbitmq-c */
int amqp_simple_wait_method_list_noblock(amqp_connection_state_t state,
amqp_channel_t expected_channel,
amqp_method_number_t *expected_methods,
amqp_method_t *output,
struct timeval *timeout) {
amqp_frame_t frame;
int res = amqp_simple_wait_frame_noblock(state, &frame, timeout);
if (AMQP_STATUS_OK != res) {
return res;
}
if (AMQP_FRAME_METHOD != frame.frame_type ||
expected_channel != frame.channel ||
!amqp_id_in_reply_list(frame.payload.method.id, expected_methods)) {
if (AMQP_CHANNEL_CLOSE_METHOD == frame.payload.method.id || AMQP_CONNECTION_CLOSE_METHOD == frame.payload.method.id) {
*output = frame.payload.method;
return AMQP_RESPONSE_SERVER_EXCEPTION;
}
return AMQP_STATUS_WRONG_METHOD;
}
*output = frame.payload.method;
return AMQP_STATUS_OK;
}
/* taken from rabbbitmq-c */
static int amqp_simple_wait_method_list(amqp_connection_state_t state,
amqp_channel_t expected_channel,
amqp_method_number_t *expected_methods,
amqp_method_t *output) {
amqp_frame_t frame;
int res = amqp_simple_wait_frame(state, &frame);
if (AMQP_STATUS_OK != res) {
return res;
}
if (AMQP_FRAME_METHOD != frame.frame_type ||
expected_channel != frame.channel ||
!amqp_id_in_reply_list(frame.payload.method.id, expected_methods)) {
return AMQP_STATUS_WRONG_METHOD;
}
*output = frame.payload.method;
return AMQP_STATUS_OK;
}
amqp_rpc_reply_t amqp_simple_rpc(amqp_connection_state_t state,
amqp_channel_t channel,
amqp_method_number_t request_id,
amqp_method_number_t *expected_reply_ids,
void *decoded_request_method)
{
int status;
amqp_rpc_reply_t result;
memset(&result, 0, sizeof(result));
status = amqp_send_method(state, channel, request_id, decoded_request_method);
if (status < 0) {
result.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
result.library_errno = -status;
return result;
}
{
amqp_frame_t frame;
retry:
status = wait_frame_inner(state, &frame);
if (status <= 0) {
result.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
result.library_errno = -status;
return result;
}
/*
* We store the frame for later processing unless it's something
* that directly affects us here, namely a method frame that is
* either
* - on the channel we want, and of the expected type, or
* - on the channel we want, and a channel.close frame, or
* - on channel zero, and a connection.close frame.
*/
if (!( (frame.frame_type == AMQP_FRAME_METHOD) &&
( ((frame.channel == channel) &&
((amqp_id_in_reply_list(frame.payload.method.id, expected_reply_ids)) ||
(frame.payload.method.id == AMQP_CHANNEL_CLOSE_METHOD)))
||
((frame.channel == 0) &&
(frame.payload.method.id == AMQP_CONNECTION_CLOSE_METHOD)) ) ))
{
amqp_frame_t *frame_copy = amqp_pool_alloc(&state->decoding_pool, sizeof(amqp_frame_t));
amqp_link_t *link = amqp_pool_alloc(&state->decoding_pool, sizeof(amqp_link_t));
*frame_copy = frame;
link->next = NULL;
link->data = frame_copy;
if (state->last_queued_frame == NULL) {
state->first_queued_frame = link;
} else {
state->last_queued_frame->next = link;
}
state->last_queued_frame = link;
goto retry;
}
result.reply_type = (amqp_id_in_reply_list(frame.payload.method.id, expected_reply_ids))
? AMQP_RESPONSE_NORMAL
: AMQP_RESPONSE_SERVER_EXCEPTION;
result.reply = frame.payload.method;
return result;
}
}
