acl/lib_acl_cpp/include/acl_cpp/redis/redis_stream.hpp
2018-11-11 09:14:23 +08:00

140 lines
4.7 KiB
C++

#pragma once
#include "../acl_cpp_define.hpp"
#include "../stdlib/string.hpp"
#include "redis_command.hpp"
namespace acl
{
class redis_client;
class redis_client_cluster;
struct redis_stream_field
{
string name;
string value;
};
struct redis_stream_message
{
string id;
std::vector<redis_stream_field> fields;
};
struct redis_stream_messages
{
string key;
std::map<string, redis_stream_message> messages;
};
struct redis_stream_info
{
size_t length;
size_t radix_tree_keys;
size_t radix_tree_nodes;
size_t groups;
string last_generated_id;
redis_stream_message first_entry;
redis_stream_message last_entry;
};
class ACL_CPP_API redis_stream : virtual public redis_command
{
public:
redis_stream(void);
redis_stream(redis_client* conn);
redis_stream(redis_client_cluster* cluster, size_t max_conns = 0);
virtual ~redis_stream(void);
/////////////////////////////////////////////////////////////////////
bool xadd(const char* key, const std::map<string, string>& fields,
string& result, const char* id = "*");
bool xadd(const char* key, const std::vector<string>& names,
const std::vector<string>& values,
string& result, const char* id = "*");
bool xadd(const char* key, const std::vector<const char*>& names,
const std::vector<const char*>& values,
string& result, const char* id = "*");
bool xadd(const char* key, const char* names[], const size_t names_len[],
const char* values[], const size_t values_len[], size_t argc,
string& result, const char* id = "*");
int xlen(const char* key);
int xdel(const char* key, const std::vector<string>& ids);
int xdel(const char* key, const std::vector<const char*>& ids);
int xtrim(const char* key, size_t maxlen, bool tilde = false);
/////////////////////////////////////////////////////////////////////
bool xread(redis_stream_messages& messages,
const std::map<string, string>& streams,
size_t count = 0, size_t block = 0);
bool xreadgroup(redis_stream_messages& messsages,
const char* group, const char* consumer,
const std::map<string, string>& streams,
size_t count = 0, size_t block = 0);
bool xrange(redis_stream_messages& messages, const char* key,
const char* start = "-", const char* end = "+", size_t count = 0);
bool xrevrange(redis_stream_messages& messages, const char* key,
const char* start = "+", const char* end = "-", size_t count = 0);
/////////////////////////////////////////////////////////////////////
int xack(const char* key, const char* group, const char* id);
int xack(const char* key, const char* group,
const std::vector<string>& ids);
int xack(const char* key, const char* group,
const std::vector<const char*>& ids);
int xack(const char* key, const char* group,
const std::list<string>& ids, size_t size);
int xack(const char* key, const char* group,
const std::list<const char*>& ids, size_t size);
/////////////////////////////////////////////////////////////////////
bool xgroup_create(const char* key, const char* group,
const char* id = "$");
int xgroup_destroy(const char* key, const char* group);
bool xgroup_setid(const char* key, const char* group,
const char* id = "$");
int xgroup_delconsumer(const char* key, const char* group,
const char* consumer);
/////////////////////////////////////////////////////////////////////
bool xinfo_help(std::vector<string>& result);
bool xinfo_stream(const char* key, redis_stream_info& result);
/////////////////////////////////////////////////////////////////////
private:
void build(const char* cmd, const char* key, const char* id,
const std::map<string, string>& fields);
void build(const char* cmd, const char* key, const char* id,
const std::vector<string>& names,
const std::vector<string>& values);
void build(const char* cmd, const char* key, const char* id,
const std::vector<const char*>& names,
const std::vector<const char*>& values);
void build(const char* cmd, const char* key, const char* id,
const char* names[], const size_t names_len[],
const char* values[], const size_t values_len[], size_t argc);
void build(const std::map<string, string>& streams, size_t count,
size_t block, size_t i);
void xread_build(const std::map<string, string>& streams,
size_t count, size_t block);
void xreadgroup_build(const char* group, const char* consumer,
const std::map<string, string>& streams,
size_t count, size_t block);
bool get_results(redis_stream_messages& messages);
bool get_messages(const redis_result& rr, redis_stream_messages& messages);
bool get_one_message(const redis_result& rr, redis_stream_message& message);
bool get_one_field(const redis_result& rr, redis_stream_field& field);
bool range(redis_stream_messages& messages, const char* cmd,
const char* key, const char* start, const char* end, size_t count);
};
}