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Move code in net.c to separate functions

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This commit is contained in:
Pieter Noordhuis 2010-11-03 11:08:24 +01:00
parent c7ab28d2d0
commit 8220cd4ba6
1 changed files with 30 additions and 17 deletions
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47
net.c
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@ -48,6 +48,22 @@
/* Forward declaration */
void __redisSetError(redisContext *c, int type, sds err);
static int redisCreateSocket(redisContext *c, int type) {
int s, on = 1;
if ((s = socket(type, SOCK_STREAM, 0)) == -1) {
__redisSetError(c,REDIS_ERR_IO,NULL);
return REDIS_ERR;
}
if (type == AF_INET) {
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
__redisSetError(c,REDIS_ERR_IO,NULL);
close(s);
return REDIS_ERR;
}
}
return s;
}
static int redisSetNonBlock(redisContext *c, int fd) {
int flags;
@ -57,11 +73,13 @@ static int redisSetNonBlock(redisContext *c, int fd) {
if ((flags = fcntl(fd, F_GETFL)) == -1) {
__redisSetError(c,REDIS_ERR_IO,
sdscatprintf(sdsempty(), "fcntl(F_GETFL): %s", strerror(errno)));
close(fd);
return REDIS_ERR;
}
if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) {
__redisSetError(c,REDIS_ERR_IO,
sdscatprintf(sdsempty(), "fcntl(F_SETFL,O_NONBLOCK): %s", strerror(errno)));
close(fd);
return REDIS_ERR;
}
return REDIS_OK;
@ -78,18 +96,14 @@ static int redisSetTcpNoDelay(redisContext *c, int fd) {
}
int redisContextConnect(redisContext *c, const char *addr, int port) {
int s, on = 1;
int s;
int blocking = (c->flags & REDIS_BLOCK);
struct sockaddr_in sa;
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
__redisSetError(c,REDIS_ERR_IO,NULL);
if ((s = redisCreateSocket(c,AF_INET)) == REDIS_ERR)
return REDIS_ERR;
}
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
__redisSetError(c,REDIS_ERR_IO,NULL);
if (!blocking && redisSetNonBlock(c,s) == REDIS_ERR)
return REDIS_ERR;
}
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
@ -106,22 +120,21 @@ int redisContextConnect(redisContext *c, const char *addr, int port) {
memcpy(&sa.sin_addr, he->h_addr, sizeof(struct in_addr));
}
if (!blocking)
if (redisSetNonBlock(c,s) != REDIS_OK)
return REDIS_ERR;
if (connect(s, (struct sockaddr*)&sa, sizeof(sa)) == -1) {
if (errno == EINPROGRESS && !blocking)
return s;
if (errno == EINPROGRESS && !blocking) {
/* This is ok. */
} else {
__redisSetError(c,REDIS_ERR_IO,NULL);
close(s);
return REDIS_ERR;
}
}
__redisSetError(c,REDIS_ERR_IO,NULL);
if (redisSetTcpNoDelay(c,s) != REDIS_OK) {
close(s);
return REDIS_ERR;
}
if (redisSetTcpNoDelay(c,s) != REDIS_OK)
return REDIS_ERR;
c->fd = s;
return REDIS_OK;
}