Move creating socket/bind+listen on socket to separate functions

Thanks to tav (http://github.com/tav) for original code.
This commit is contained in:
Pieter Noordhuis 2010-10-13 16:33:27 +02:00
parent a5639e7dd9
commit 704bd093be

View File

@ -124,20 +124,31 @@ int anetResolve(char *err, char *host, char *ipbuf)
return ANET_OK;
}
static int anetCreateSocket(char *err, int domain) {
int s, on = 1;
if ((s = socket(domain, SOCK_STREAM, 0)) == -1) {
anetSetError(err, "creating socket: %s\n", strerror(errno));
return ANET_ERR;
}
/* Make sure connection-intensive things like the redis benckmark
* will be able to close/open sockets a zillion of times */
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
anetSetError(err, "setsockopt SO_REUSEADDR: %s\n", strerror(errno));
return ANET_ERR;
}
return s;
}
#define ANET_CONNECT_NONE 0
#define ANET_CONNECT_NONBLOCK 1
static int anetTcpGenericConnect(char *err, char *addr, int port, int flags)
{
int s, on = 1;
int s;
struct sockaddr_in sa;
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
anetSetError(err, "creating socket: %s\n", strerror(errno));
if ((s = anetCreateSocket(err,AF_INET)) == ANET_ERR)
return ANET_ERR;
}
/* Make sure connection-intensive things like the redis benckmark
* will be able to close/open sockets a zillion of times */
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
@ -183,10 +194,9 @@ int anetUnixGenericConnect(char *err, char *path, int flags)
int s;
struct sockaddr_un sa;
if ((s = socket(AF_LOCAL,SOCK_STREAM,0)) == -1) {
anetSetError(err, "creating socket: %s\n", strerror(errno));
if ((s = anetCreateSocket(err,AF_LOCAL)) == ANET_ERR)
return ANET_ERR;
}
sa.sun_family = AF_LOCAL;
strncpy(sa.sun_path,path,sizeof(sa.sun_path)-1);
if (flags & ANET_CONNECT_NONBLOCK) {
@ -245,32 +255,8 @@ int anetWrite(int fd, char *buf, int count)
return totlen;
}
int anetTcpServer(char *err, int port, char *bindaddr)
{
int s, on = 1;
struct sockaddr_in sa;
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
anetSetError(err, "socket: %s\n", strerror(errno));
return ANET_ERR;
}
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
anetSetError(err, "setsockopt SO_REUSEADDR: %s\n", strerror(errno));
close(s);
return ANET_ERR;
}
memset(&sa,0,sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(INADDR_ANY);
if (bindaddr) {
if (inet_aton(bindaddr, &sa.sin_addr) == 0) {
anetSetError(err, "Invalid bind address\n");
close(s);
return ANET_ERR;
}
}
if (bind(s, (struct sockaddr*)&sa, sizeof(sa)) == -1) {
static int anetListen(char *err, int s, struct sockaddr *sa, socklen_t len) {
if (bind(s,sa,len) == -1) {
anetSetError(err, "bind: %s\n", strerror(errno));
close(s);
return ANET_ERR;
@ -280,6 +266,28 @@ int anetTcpServer(char *err, int port, char *bindaddr)
close(s);
return ANET_ERR;
}
return ANET_OK;
}
int anetTcpServer(char *err, int port, char *bindaddr)
{
int s;
struct sockaddr_in sa;
if ((s = anetCreateSocket(err,AF_INET)) == ANET_ERR)
return ANET_ERR;
memset(&sa,0,sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(INADDR_ANY);
if (bindaddr && inet_aton(bindaddr, &sa.sin_addr) == 0) {
anetSetError(err, "Invalid bind address\n");
close(s);
return ANET_ERR;
}
if (anetListen(err,s,(struct sockaddr*)&sa,sizeof(sa)) == ANET_ERR)
return ANET_ERR;
return s;
}
@ -288,23 +296,14 @@ int anetUnixServer(char *err, char *path)
int s;
struct sockaddr_un sa;
if ((s = socket(AF_LOCAL,SOCK_STREAM,0)) == -1) {
anetSetError(err, "socket: %s\n", strerror(errno));
if ((s = anetCreateSocket(err,AF_LOCAL)) == ANET_ERR)
return ANET_ERR;
}
memset(&sa,0,sizeof(sa));
sa.sun_family = AF_LOCAL;
strncpy(sa.sun_path,path,sizeof(sa.sun_path)-1);
if (bind(s,(struct sockaddr*)&sa,SUN_LEN(&sa)) == -1) {
anetSetError(err, "bind: %s\n", strerror(errno));
close(s);
if (anetListen(err,s,(struct sockaddr*)&sa,sizeof(sa)) == ANET_ERR)
return ANET_ERR;
}
if (listen(s, 511) == -1) { /* the magic 511 constant is from nginx */
anetSetError(err, "listen: %s\n", strerror(errno));
close(s);
return ANET_ERR;
}
return s;
}