vongosling closed pull request #10: Support order producer
URL: https://github.com/apache/rocketmq-client-cpp/pull/10
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diff --git a/include/CProducer.h b/include/CProducer.h
index c8bd029..9cfb0cd 100644
--- a/include/CProducer.h
+++ b/include/CProducer.h
@@ -20,14 +20,13 @@
#include "CMessage.h"
#include "CSendResult.h"
-
#ifdef __cplusplus
extern "C" {
#endif
-//typedef struct _CProducer_ _CProducer;
-typedef struct CProducer CProducer;
+typedef struct CProducer CProducer;
+typedef int(*QueueSelectorCallback)(int size, CMessage *msg, void *arg);
CProducer *CreateProducer(const char *groupId);
int DestroyProducer(CProducer *producer);
@@ -48,6 +47,7 @@ int SetProducerMaxMessageSize(CProducer *producer, int size);
int SendMessageSync(CProducer *producer, CMessage *msg, CSendResult *result);
int SendMessageOneway(CProducer *producer,CMessage *msg);
+int SendMessageOrderly(CProducer *producer, CMessage *msg,
QueueSelectorCallback callback, void *arg, int autoRetryTimes, CSendResult
*result);
#ifdef __cplusplus
};
#endif
diff --git a/src/extern/CProducer.cpp b/src/extern/CProducer.cpp
index 0bf307a..a97f1f1 100644
--- a/src/extern/CProducer.cpp
+++ b/src/extern/CProducer.cpp
@@ -19,12 +19,31 @@
#include "CProducer.h"
#include "CCommon.h"
#include <string.h>
-
+#include "CMessage.h"
#ifdef __cplusplus
extern "C" {
#endif
using namespace rocketmq;
+
+class SelectMessageQueue : public MessageQueueSelector {
+ public:
+ SelectMessageQueue(QueueSelectorCallback callback){
+ m_pCallback = callback;
+ }
+
+ MQMessageQueue select(const std::vector<MQMessageQueue> &mqs,
+ const MQMessage &msg, void *arg) {
+ CMessage * message = (CMessage *) &msg;
+ //Get the index of sending MQMessageQueue through callback function.
+ int index = m_pCallback(mqs.size(),message,arg);
+ return mqs[index];
+ }
+ private:
+ QueueSelectorCallback m_pCallback;
+};
+
+
CProducer *CreateProducer(const char *groupId) {
if (groupId == NULL) {
return NULL;
@@ -103,6 +122,23 @@ int SendMessageOneway(CProducer *producer,CMessage *msg) {
return OK;
}
+int SendMessageOrderly(CProducer *producer, CMessage *msg,
QueueSelectorCallback callback, void *arg, int autoRetryTimes, CSendResult
*result) {
+ if(producer == NULL || msg == NULL || callback == NULL || arg == NULL ||
result == NULL){
+ return NULL_POINTER;
+ }
+ DefaultMQProducer *defaultMQProducer = (DefaultMQProducer *) producer;
+ MQMessage *message = (MQMessage *) msg;
+ //Constructing SelectMessageQueue objects through function pointer callback
+ SelectMessageQueue selectMessageQueue(callback);
+ SendResult sendResult =
defaultMQProducer->send(*message,&selectMessageQueue,arg,autoRetryTimes);
+ //Convert SendStatus to CSendStatus
+ result->sendStatus = CSendStatus((int)sendResult.getSendStatus());
+ result->offset = sendResult.getQueueOffset();
+ strncpy(result->msgId, sendResult.getMsgId().c_str(),
MAX_MESSAGE_ID_LENGTH - 1);
+ result->msgId[MAX_MESSAGE_ID_LENGTH - 1] = 0;
+ return OK;
+}
+
int SetProducerGroupName(CProducer *producer, const char *groupName) {
if (producer == NULL) {
return NULL_POINTER;
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