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connect to kafka and send metadata request.

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This commit is contained in:
winlin 2015-10-15 17:45:58 +08:00
parent a9fdb630d9
commit 8974fe298b
8 changed files with 151 additions and 11 deletions
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50
trunk/src/protocol/srs_kafka_stack.hpp
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@ -30,6 +30,9 @@
#include <srs_core.hpp>
#include <vector>
#include <string>
class ISrsProtocolReaderWriter;
#ifdef SRS_AUTO_KAFKA
@ -94,7 +97,7 @@ public:
* array of a structure foo as [foo].
*
* Usage:
* SrsKafkaArray<SrsKafkaBytes> body;
* SrsKafkaArray<SrsKafkaBytes*> body;
* body.append(new SrsKafkaBytes());
*
* @see https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-Requests
@ -104,8 +107,8 @@ class SrsKafkaArray
{
private:
int length;
std::vector<T*> elems;
typedef typename std::vector<T*>::iterator SrsIterator;
std::vector<T> elems;
typedef typename std::vector<T>::iterator SrsIterator;
public:
SrsKafkaArray()
{
@ -114,13 +117,13 @@ public:
virtual ~SrsKafkaArray()
{
for (SrsIterator it = elems.begin(); it != elems.end(); ++it) {
T* elem = *it;
T elem = *it;
srs_freep(elem);
}
elems.clear();
}
public:
virtual void append(T* elem)
virtual void append(T elem)
{
length++;
elems.push_back(elem);
@ -307,12 +310,47 @@ class SrsKafkaTopicMetadataRequest
{
private:
SrsKafkaRequestHeader header;
SrsKafkaArray<SrsKafkaString> request;
SrsKafkaArray<SrsKafkaString*> request;
public:
SrsKafkaTopicMetadataRequest();
virtual ~SrsKafkaTopicMetadataRequest();
};
/**
* the kafka protocol stack, use to send and recv kakfa messages.
*/
class SrsKafkaProtocol
{
private:
ISrsProtocolReaderWriter* skt;
public:
SrsKafkaProtocol(ISrsProtocolReaderWriter* io);
virtual ~SrsKafkaProtocol();
public:
/**
* write the message to kafka server.
* @param msg the msg to send. user must not free it again.
*/
virtual int send_and_free_message(SrsKafkaMessage* msg);
};
/**
* the kafka client, for producer or consumer.
*/
class SrsKafkaClient
{
private:
SrsKafkaProtocol* protocol;
public:
SrsKafkaClient(ISrsProtocolReaderWriter* io);
virtual ~SrsKafkaClient();
public:
/**
* fetch the metadata from broker for topic.
*/
virtual int fetch_metadata(std::string topic);
};
#endif
#endif