greenplumn ic_proxy_addr 源码
greenplumn ic_proxy_addr 代码
文件路径：/src/backend/cdb/motion/ic_proxy_addr.h
/*-------------------------------------------------------------------------
*
* ic_proxy_addr.h
*
*
* Copyright (c) 2020-Present VMware, Inc. or its affiliates.
*
*
*-------------------------------------------------------------------------
*/
#ifndef IC_PROXY_ADDR_H
#define IC_PROXY_ADDR_H
typedef struct ICProxyAddr ICProxyAddr;
struct ICProxyAddr
{
struct sockaddr_storage sockaddr;
int dbid;
int content;
/*
* Below two attributes are arguments to uv_getaddrinfo().
*
* That API allows "service" to be either a port number or a service name,
* like "http". In our case each segment needs a unique port on its host,
* so it is more convenient to specify port numbers directly, so we only
* support the port numbers in gp_interconnect_proxy_addresses, service
* names will be considered as syntax errors.
*/
char hostname[HOST_NAME_MAX]; /* hostname or IP */
char service[32]; /* port number as a string */
uv_getaddrinfo_t req;
};
/*
* List<ICProxyAddr *>
*/
extern List *ic_proxy_addrs;
extern List *ic_proxy_prev_addrs;
/*
* List<unowned ICProxyAddr *>
*/
extern List *ic_proxy_removed_addrs;
extern List *ic_proxy_added_addrs;
extern void ic_proxy_reload_addresses(uv_loop_t *loop);
extern const ICProxyAddr *ic_proxy_get_my_addr(void);
extern int ic_proxy_addr_get_port(const ICProxyAddr *addr);
extern int ic_proxy_extract_sockaddr(const struct sockaddr *addr,
char *name, size_t namelen,
int *port, int *family);
#endif /* IC_PROXY_ADDR_H */
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