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hiredis: minimal IPv6 support.

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This commit is contained in:
antirez 2013-07-11 13:11:27 +02:00
parent 5c5ebb0b9a
commit 4735f03c5a
1 changed files with 10 additions and 2 deletions
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8
deps/hiredis/net.c vendored
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@ -215,10 +215,18 @@ int redisContextConnectTcp(redisContext *c, const char *addr, int port, struct t
hints.ai_family = AF_INET; hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM; hints.ai_socktype = SOCK_STREAM;
/* Try with IPv6 if no IPv4 address was found. We do it in this order since
* in a Redis client you can't afford to test if you have IPv6 connectivity
* as this would add latency to every connect. Otherwise a more sensible
* route could be: Use IPv6 if both addresses are available and there is IPv6
* connectivity. */
if ((rv = getaddrinfo(addr,_port,&hints,&servinfo)) != 0) {
hints.ai_family = AF_INET6;
if ((rv = getaddrinfo(addr,_port,&hints,&servinfo)) != 0) { if ((rv = getaddrinfo(addr,_port,&hints,&servinfo)) != 0) {
__redisSetError(c,REDIS_ERR_OTHER,gai_strerror(rv)); __redisSetError(c,REDIS_ERR_OTHER,gai_strerror(rv));
return REDIS_ERR; return REDIS_ERR;
} }
}
for (p = servinfo; p != NULL; p = p->ai_next) { for (p = servinfo; p != NULL; p = p->ai_next) {
if ((s = socket(p->ai_family,p->ai_socktype,p->ai_protocol)) == -1) if ((s = socket(p->ai_family,p->ai_socktype,p->ai_protocol)) == -1)
continue; continue;