/*
* ***** BEGIN LICENSE BLOCK *****
* Version: MIT
*
* Portions created by Alan Antonuk are Copyright (c) 2013-2014
* Alan Antonuk. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* ***** END LICENSE BLOCK *****
*/
#include "amqp.h"
#include "amqp_private.h"
#include "amqp_socket.h"
#include <stdlib.h>
#include <string.h>
static int amqp_basic_properties_clone(amqp_basic_properties_t *original,
amqp_basic_properties_t *clone,
amqp_pool_t *pool) {
memset(clone, 0, sizeof(*clone));
clone->_flags = original->_flags;
#define CLONE_BYTES_POOL(original, clone, pool) \
if (0 == original.len) { \
clone = amqp_empty_bytes; \
} else { \
amqp_pool_alloc_bytes(pool, original.len, &clone); \
if (NULL == clone.bytes) { \
return AMQP_STATUS_NO_MEMORY; \
} \
memcpy(clone.bytes, original.bytes, clone.len); \
}
if (clone->_flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
CLONE_BYTES_POOL(original->content_type, clone->content_type, pool)
}
if (clone->_flags & AMQP_BASIC_CONTENT_ENCODING_FLAG) {
CLONE_BYTES_POOL(original->content_encoding, clone->content_encoding, pool)
}
if (clone->_flags & AMQP_BASIC_HEADERS_FLAG) {
int res = amqp_table_clone(&original->headers, &clone->headers, pool);
if (AMQP_STATUS_OK != res) {
return res;
}
}
if (clone->_flags & AMQP_BASIC_DELIVERY_MODE_FLAG) {
clone->delivery_mode = original->delivery_mode;
}
if (clone->_flags & AMQP_BASIC_PRIORITY_FLAG) {
clone->priority = original->priority;
}
if (clone->_flags & AMQP_BASIC_CORRELATION_ID_FLAG) {
CLONE_BYTES_POOL(original->correlation_id, clone->correlation_id, pool)
}
if (clone->_flags & AMQP_BASIC_REPLY_TO_FLAG) {
CLONE_BYTES_POOL(original->reply_to, clone->reply_to, pool)
}
if (clone->_flags & AMQP_BASIC_EXPIRATION_FLAG) {
CLONE_BYTES_POOL(original->expiration, clone->expiration, pool)
}
if (clone->_flags & AMQP_BASIC_MESSAGE_ID_FLAG) {
CLONE_BYTES_POOL(original->message_id, clone->message_id, pool)
}
if (clone->_flags & AMQP_BASIC_TIMESTAMP_FLAG) {
clone->timestamp = original->timestamp;
}
if (clone->_flags & AMQP_BASIC_TYPE_FLAG) {
CLONE_BYTES_POOL(original->type, clone->type, pool)
}
if (clone->_flags & AMQP_BASIC_USER_ID_FLAG) {
CLONE_BYTES_POOL(original->user_id, clone->user_id, pool)
}
if (clone->_flags & AMQP_BASIC_APP_ID_FLAG) {
CLONE_BYTES_POOL(original->app_id, clone->app_id, pool)
}
if (clone->_flags & AMQP_BASIC_CLUSTER_ID_FLAG) {
CLONE_BYTES_POOL(original->cluster_id, clone->cluster_id, pool)
}
return AMQP_STATUS_OK;
#undef CLONE_BYTES_POOL
}
void amqp_destroy_message(amqp_message_t *message) {
empty_amqp_pool(&message->pool);
amqp_bytes_free(message->body);
}
void amqp_destroy_envelope(amqp_envelope_t *envelope) {
amqp_destroy_message(&envelope->message);
amqp_bytes_free(envelope->routing_key);
amqp_bytes_free(envelope->exchange);
amqp_bytes_free(envelope->consumer_tag);
}
static int amqp_bytes_malloc_dup_failed(amqp_bytes_t bytes) {
if (bytes.len != 0 && bytes.bytes == NULL) {
return 1;
}
return 0;
}
amqp_rpc_reply_t amqp_consume_message(amqp_connection_state_t state,
amqp_envelope_t *envelope,
struct timeval *timeout,
AMQP_UNUSED int flags) {
int res;
amqp_frame_t frame;
amqp_basic_deliver_t *delivery_method;
amqp_rpc_reply_t ret;
memset(&ret, 0, sizeof(ret));
memset(envelope, 0, sizeof(*envelope));
res = amqp_simple_wait_frame_noblock(state, &frame, timeout);
if (AMQP_STATUS_OK != res) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = res;
goto error_out1;
}
if (AMQP_FRAME_METHOD != frame.frame_type ||
AMQP_BASIC_DELIVER_METHOD != frame.payload.method.id) {
amqp_put_back_frame(state, &frame);
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_UNEXPECTED_STATE;
goto error_out1;
}
delivery_method = frame.payload.method.decoded;
envelope->channel = frame.channel;
envelope->consumer_tag = amqp_bytes_malloc_dup(delivery_method->consumer_tag);
envelope->delivery_tag = delivery_method->delivery_tag;
envelope->redelivered = delivery_method->redelivered;
envelope->exchange = amqp_bytes_malloc_dup(delivery_method->exchange);
envelope->routing_key = amqp_bytes_malloc_dup(delivery_method->routing_key);
if (amqp_bytes_malloc_dup_failed(envelope->consumer_tag) ||
amqp_bytes_malloc_dup_failed(envelope->exchange) ||
amqp_bytes_malloc_dup_failed(envelope->routing_key)) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_NO_MEMORY;
goto error_out2;
}
ret = amqp_read_message(state, envelope->channel, &envelope->message, 0);
if (AMQP_RESPONSE_NORMAL != ret.reply_type) {
goto error_out2;
}
ret.reply_type = AMQP_RESPONSE_NORMAL;
return ret;
error_out2:
amqp_bytes_free(envelope->routing_key);
amqp_bytes_free(envelope->exchange);
amqp_bytes_free(envelope->consumer_tag);
error_out1:
return ret;
}
amqp_rpc_reply_t amqp_read_message(amqp_connection_state_t state,
amqp_channel_t channel,
amqp_message_t *message,
AMQP_UNUSED int flags) {
amqp_frame_t frame;
amqp_rpc_reply_t ret;
size_t body_read;
char *body_read_ptr;
int res;
memset(&ret, 0, sizeof(ret));
memset(message, 0, sizeof(*message));
res = amqp_simple_wait_frame_on_channel(state, channel, &frame);
if (AMQP_STATUS_OK != res) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = res;
goto error_out1;
}
if (AMQP_FRAME_HEADER != frame.frame_type) {
if (AMQP_FRAME_METHOD == frame.frame_type &&
(AMQP_CHANNEL_CLOSE_METHOD == frame.payload.method.id ||
AMQP_CONNECTION_CLOSE_METHOD == frame.payload.method.id)) {
ret.reply_type = AMQP_RESPONSE_SERVER_EXCEPTION;
ret.reply = frame.payload.method;
} else {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_UNEXPECTED_STATE;
amqp_put_back_frame(state, &frame);
}
goto error_out1;
}
init_amqp_pool(&message->pool, 4096);
res = amqp_basic_properties_clone(frame.payload.properties.decoded,
&message->properties, &message->pool);
if (AMQP_STATUS_OK != res) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = res;
goto error_out3;
}
if (0 == frame.payload.properties.body_size) {
message->body = amqp_empty_bytes;
} else {
if (SIZE_MAX < frame.payload.properties.body_size) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_NO_MEMORY;
goto error_out1;
}
message->body =
amqp_bytes_malloc((size_t)frame.payload.properties.body_size);
if (NULL == message->body.bytes) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_NO_MEMORY;
goto error_out1;
}
}
body_read = 0;
body_read_ptr = message->body.bytes;
while (body_read < message->body.len) {
res = amqp_simple_wait_frame_on_channel(state, channel, &frame);
if (AMQP_STATUS_OK != res) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = res;
goto error_out2;
}
if (AMQP_FRAME_BODY != frame.frame_type) {
if (AMQP_FRAME_METHOD == frame.frame_type &&
(AMQP_CHANNEL_CLOSE_METHOD == frame.payload.method.id ||
AMQP_CONNECTION_CLOSE_METHOD == frame.payload.method.id)) {
ret.reply_type = AMQP_RESPONSE_SERVER_EXCEPTION;
ret.reply = frame.payload.method;
} else {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_BAD_AMQP_DATA;
}
goto error_out2;
}
if (body_read + frame.payload.body_fragment.len > message->body.len) {
ret.reply_type = AMQP_RESPONSE_LIBRARY_EXCEPTION;
ret.library_error = AMQP_STATUS_BAD_AMQP_DATA;
goto error_out2;
}
memcpy(body_read_ptr, frame.payload.body_fragment.bytes,
frame.payload.body_fragment.len);
body_read += frame.payload.body_fragment.len;
body_read_ptr += frame.payload.body_fragment.len;
}
ret.reply_type = AMQP_RESPONSE_NORMAL;
return ret;
error_out2:
amqp_bytes_free(message->body);
error_out3:
empty_amqp_pool(&message->pool);
error_out1:
return ret;
}