RabbitmqClientImpl.cpp
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#include "RabbitmqClientImpl.hpp"
#include <unistd.h>
CRabbitmqClientImpl::CRabbitmqClientImpl()
: m_strHostname("")
, m_iPort(0)
, m_strUser("")
, m_strPasswd("")
, m_iChannel(1) //默认用1号通道，通道无所谓
, m_pSock(NULL)
, m_pConn(NULL)
, m_max_reconnection(5)
{
}
CRabbitmqClientImpl::~CRabbitmqClientImpl()
{
if (NULL != m_pConn) {
Disconnect();
m_pConn = NULL;
}
}
int CRabbitmqClientImpl::Connect(const string &strHostname, int iPort, const string &strUser, const string &strPasswd, const string &vhost)
{
m_strHostname = strHostname;
m_iPort = iPort;
m_strUser = strUser;
m_strPasswd = strPasswd;
m_strVHost = vhost;
m_pConn = amqp_new_connection();
if (NULL == m_pConn)
{
spdlog::error("amqp new connection failed");
return -1;
}
m_pSock = amqp_tcp_socket_new(m_pConn);
if (NULL == m_pSock)
{
spdlog::error("amqp tcp new socket failed");
return -2;
}
if (0 > amqp_socket_open(m_pSock, m_strHostname.c_str(), m_iPort))
{
spdlog::error("amqp socket open failed");
return -3;
}
error_code_t err = ErrorMsg(amqp_login(m_pConn, m_strVHost.c_str(), 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, m_strUser.c_str(), m_strPasswd.c_str()), "Logging in");
if (error_code_t::NORMAL != err)
return -4;
return 0;
}
int CRabbitmqClientImpl::Disconnect() {
if (NULL != m_pConn)
{
if (error_code_t::NORMAL != ErrorMsg(amqp_connection_close(m_pConn, AMQP_REPLY_SUCCESS), "Closing connection"))
return -1;
int ret_code = 0;
if (0 > (ret_code = amqp_destroy_connection(m_pConn)))
{
fprintf(stderr, "%s: %s\n", "destory connection", amqp_error_string2(ret_code));
return -2;
}
m_pConn = NULL;
}
return 0;
}
error_code_t CRabbitmqClientImpl::Reconnection()
{
Disconnect();
Connect(m_strHostname, m_iPort, m_strUser, m_strPasswd, m_strVHost);
}
int CRabbitmqClientImpl::ExchangeDeclare(const string &strExchange, const string &strType, const bool durable)
{
amqp_channel_open(m_pConn, m_iChannel);
amqp_bytes_t _exchange = amqp_cstring_bytes(strExchange.c_str());
amqp_bytes_t _type = amqp_cstring_bytes(strType.c_str());
int _passive= 0;
amqp_exchange_declare(m_pConn, m_iChannel, _exchange, _type, _passive, durable, 0, 0, amqp_empty_table);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "exchange_declare")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -1;
}
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return 0;
}
int CRabbitmqClientImpl::QueueDeclare(const string &strQueueName, const bool durable) {
if(NULL == m_pConn) {
spdlog::error("QueueDeclare m_pConn is null");
return -1;
}
amqp_channel_open(m_pConn, m_iChannel);
amqp_bytes_t _queue = amqp_cstring_bytes(strQueueName.c_str());
int32_t _passive = 0;
// int32_t _durable = 0;
int32_t _exclusive = 0;
//int32_t _auto_delete = 1;
int32_t _auto_delete = 0;
amqp_queue_declare(m_pConn, m_iChannel, _queue, _passive, durable, _exclusive, _auto_delete, amqp_empty_table);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "queue_declare")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -1;
}
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return 0;
}
int CRabbitmqClientImpl::QueueBind(const string &strQueueName, const string &strExchange, const string &strBindKey) {
if(NULL == m_pConn) {
spdlog::error("QueueBind m_pConn is null");
return -1;
}
amqp_channel_open(m_pConn, m_iChannel);
amqp_bytes_t _queue = amqp_cstring_bytes(strQueueName.c_str());
amqp_bytes_t _exchange = amqp_cstring_bytes(strExchange.c_str());
amqp_bytes_t _routkey = amqp_cstring_bytes(strBindKey.c_str());
amqp_queue_bind(m_pConn, m_iChannel, _queue, _exchange, _routkey, amqp_empty_table);
if(error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "queue_bind")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -1;
}
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return 0;
}
int CRabbitmqClientImpl::QueueUnbind(const string &strQueueName, const string &strExchange, const string &strBindKey) {
if(NULL == m_pConn) {
spdlog::error("QueueUnbind m_pConn is null");
return -1;
}
amqp_channel_open(m_pConn, m_iChannel);
amqp_bytes_t _queue = amqp_cstring_bytes(strQueueName.c_str());
amqp_bytes_t _exchange = amqp_cstring_bytes(strExchange.c_str());
amqp_bytes_t _routkey = amqp_cstring_bytes(strBindKey.c_str());
amqp_queue_unbind(m_pConn, m_iChannel, _queue, _exchange, _routkey, amqp_empty_table);
if(error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "queue_unbind")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -1;
}
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return 0;
}
int CRabbitmqClientImpl::QueueDelete(const string &strQueueName, int iIfUnused) {
if(NULL == m_pConn) {
spdlog::error("QueueDelete m_pConn is null");
return -1;
}
amqp_channel_open(m_pConn, m_iChannel);
if(error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "open channel")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -2;
}
amqp_queue_delete(m_pConn, m_iChannel, amqp_cstring_bytes(strQueueName.c_str()), iIfUnused, 0);
if(error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "delete queue")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -3;
}
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return 0;
}
int CRabbitmqClientImpl::Publish(const string &strMessage, const string &strExchange, const string &strRoutekey) {
if (NULL == m_pConn)
{
spdlog::error("publish m_pConn is null, publish failed");
return -1;
}
#if 1
for (int i = 0; i < m_max_reconnection; ++i)
{
amqp_channel_open(m_pConn, m_iChannel);
if (error_code_t::NORMAL == ErrorMsg(amqp_get_rpc_reply(m_pConn), "publish open channel"))
goto _continue;
spdlog::error("Publish try {:d} reconnection", i+1);
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
Reconnection();
}
return -2;
_continue:
#else
amqp_channel_open(m_pConn, m_iChannel);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "publish open channel"))
{
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -2;
}
#endif
amqp_bytes_t message_bytes;
message_bytes.len = strMessage.length();
message_bytes.bytes = (void *)(strMessage.c_str());
/*
amqp_basic_properties_t props;
props._flags = AMQP_BASIC_CONTENT_TYPE_FLAG | AMQP_BASIC_DELIVERY_MODE_FLAG;
props.content_type = amqp_cstring_bytes(m_type.c_str());
props.delivery_mode = m_durable; // persistent delivery mode
*/
amqp_bytes_t exchange = amqp_cstring_bytes(strExchange.c_str());
amqp_bytes_t routekey = amqp_cstring_bytes(strRoutekey.c_str());
if (0 != amqp_basic_publish(m_pConn, m_iChannel, exchange, routekey, 0, 0, NULL, message_bytes))
{
spdlog::error("publish amqp_basic_publish failed");
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "amqp_basic_publish")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -3;
}
}
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return 0;
}
int CRabbitmqClientImpl::Consumer(const string &strQueueName, RABBITMQ_CALLBACK callback, void *contex, struct timeval *timeout)
{
if (NULL == m_pConn)
{
spdlog::error("Consumer m_pConn is null, Consumer failed");
return -1;
}
#if 0
for (int i = 0; i < m_max_connection; ++i)
{
amqp_channel_open(m_pConn, m_iChannel);
if (0 == ErrorMsg(amqp_get_rpc_reply(m_pConn), "consumer open channel"))
goto _continue;
spdlog::error("Consumer try {:d} reconnection", i+1);
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
Disconnect();
Connect(m_strHostname, m_iPort, m_strUser, m_strPasswd, m_strVHost);
}
return -2;
_continue:
#else
amqp_channel_open(m_pConn, m_iChannel);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "Consumer open channel"))
{
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -2;
}
#endif
int GetNum = 1;
amqp_basic_qos(m_pConn, m_iChannel, 0, GetNum, 0);
int ack = 1; // no_ack 是否需要确认消息后再从队列中删除消息
amqp_bytes_t queuename= amqp_cstring_bytes(strQueueName.c_str());
amqp_basic_consume(m_pConn, m_iChannel, queuename, amqp_empty_bytes, 0, ack, 0, amqp_empty_table);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "Consuming")) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -3;
}
int hasget = 0;
amqp_rpc_reply_t res;
amqp_envelope_t envelope;
while (1)
{
amqp_maybe_release_buffers(m_pConn);
res = amqp_consume_message(m_pConn, &envelope, timeout, 0);
if (AMQP_RESPONSE_NORMAL != res.reply_type) {
spdlog::error("Consumer amqp_channel_close failed then continue");
#if 1
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
if (0 == hasget)
return -res.reply_type;
else
return 0;
#endif
}
char *temp = new char[envelope.message.body.len + 1]();
memcpy(temp, (char *)envelope.message.body.bytes, sizeof(char)*envelope.message.body.len);
amqp_destroy_envelope(&envelope);
callback(contex, temp);
hasget++;
usleep(1);
}
return 0;
}
int CRabbitmqClientImpl::Consumer_limit(const string &strQueueName, vector<string> &message_array, int GetNum, struct timeval *timeout)
{
if (NULL == m_pConn) {
spdlog::error("Consumer m_pConn is null, Consumer failed");
return -1;
}
#if 0
for (int i = 0; i < m_max_connection; ++i)
{
amqp_channel_open(m_pConn, m_iChannel);
if (0 == ErrorMsg(amqp_get_rpc_reply(m_pConn), "consumer open channel"))
goto _continue;
spdlog::error("Consumer_limit try {:d} reconnection", i+1);
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
Disconnect();
Connect(m_strHostname, m_iPort, m_strUser, m_strPasswd, m_strVHost);
}
return -2;
_continue:
#else
amqp_channel_open(m_pConn, m_iChannel);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "Consumer_limit open channel"))
{
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -2;
}
#endif
amqp_basic_qos(m_pConn, m_iChannel, 0, GetNum, 0);
int ack = 1; // no_ack 是否需要确认消息后再从队列中删除消息
amqp_bytes_t queuename= amqp_cstring_bytes(strQueueName.c_str());
amqp_basic_consume(m_pConn, m_iChannel, queuename, amqp_empty_bytes, 0, ack, 0, amqp_empty_table);
if (error_code_t::NORMAL != ErrorMsg(amqp_get_rpc_reply(m_pConn), "Consuming"))
{
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -3;
}
int hasget = 0;
amqp_rpc_reply_t res;
amqp_envelope_t envelope;
while (GetNum > 0)
{
amqp_maybe_release_buffers(m_pConn);
res = amqp_consume_message(m_pConn, &envelope, timeout, 0);
if (AMQP_RESPONSE_NORMAL != res.reply_type) {
spdlog::error("Consumer amqp_channel_close failed then continue");
#if 1
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
if (0 == hasget)
return -res.reply_type;
else
return 0;
#endif
}
string str((char *)envelope.message.body.bytes, (char *)envelope.message.body.bytes + envelope.message.body.len);
message_array.push_back(str);
int rtn = amqp_basic_ack(m_pConn, m_iChannel, envelope.delivery_tag, 1);
amqp_destroy_envelope(&envelope);
if (rtn != 0) {
amqp_channel_close(m_pConn, m_iChannel, AMQP_REPLY_SUCCESS);
return -4;
}
GetNum--;
hasget++;
usleep(1);
}
return 0;
}
error_code_t CRabbitmqClientImpl::ErrorMsg(amqp_rpc_reply_t x, char const *context)
{
switch (x.reply_type)
{
case AMQP_RESPONSE_NORMAL:
return error_code_t::NORMAL;
case AMQP_RESPONSE_NONE:
spdlog::error("{:s}: missing RPC reply type!", context);
return error_code_t::RESPONSE_NONE;
case AMQP_RESPONSE_LIBRARY_EXCEPTION:
spdlog::error("{:s}: {:s}", context, amqp_error_string2(x.library_error));
return error_code_t::LIBRARY_EXCEPTION;
case AMQP_RESPONSE_SERVER_EXCEPTION:
switch (x.reply.id) {
case AMQP_CONNECTION_CLOSE_METHOD: {
amqp_connection_close_t *m = (amqp_connection_close_t *)x.reply.decoded;
std::printf("%s: server connection error %uh, message: %.*s",
context, m->reply_code, (int)m->reply_text.len,
(char *)m->reply_text.bytes);
return error_code_t::CONNECTION_CLOSED;
}
case AMQP_CHANNEL_CLOSE_METHOD: {
amqp_channel_close_t *m = (amqp_channel_close_t *)x.reply.decoded;
std::printf("%s: server channel error %uh, message: %.*s",
context, m->reply_code, (int)m->reply_text.len,
(char *)m->reply_text.bytes);
return error_code_t::CHANNEL_CLOSED;
}
default:
std::printf("%s: unknown server error, method id 0x%08X",
context, x.reply.id);
return error_code_t::UNKNOWN;
}
}
return error_code_t::NORMAL;
}
CRabbitmqClient* CRabbitmqClient::get_instance()
{
CRabbitmqClient* instance_ptr = nullptr;
if (instance_ptr == nullptr)
instance_ptr = new CRabbitmqClientImpl();
return instance_ptr;
}
void CRabbitmqClient::destory(CRabbitmqClient* instance)
{
if (instance != nullptr)
{
delete instance;
instance = nullptr;
}
}