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Add Unix domain socket support, from Goran Thyni, goran@bildbasen.se

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This commit is contained in:
Bruce Momjian
1997-11-07 20:52:15 +00:00
parent d3cf6f98c7
commit c17fa36d3c
9 changed files with 187 additions and 136 deletions
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111
src/backend/libpq/pqcomm.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/pqcomm.c,v 1.23 1997/09/18 20:20:39 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/pqcomm.c,v 1.24 1997/11/07 20:51:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -571,20 +571,27 @@ pq_async_notify()
*
* RETURNS: STATUS_OK or STATUS_ERROR
*/
static char sock_path[100] = "";
static void do_unlink()
{
if (sock_path[0]) unlink(sock_path);
}
int
StreamServerPort(char *hostName, short portName, int *fdP)
{
struct sockaddr_in sin;
int fd;
struct sockaddr_un sun;
int fd, err, family;
int one = 1;
if (!hostName)
hostName = "localhost";
family = hostName != NULL ? AF_INET : AF_UNIX;
MemSet((char *) &sin, 0, sizeof sin);
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
if ((fd = socket(family, SOCK_STREAM, 0)) < 0)
{
sprintf(PQerrormsg,
"FATAL: StreamServerPort: socket() failed: errno=%d\n",
@ -593,7 +600,7 @@ StreamServerPort(char *hostName, short portName, int *fdP)
pqdebug("%s", PQerrormsg);
return (STATUS_ERROR);
}
if (family == AF_UNIX) on_exitpg(do_unlink, (caddr_t) 0);
if ((setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &one,
sizeof(one))) == -1)
{
@ -604,11 +611,24 @@ StreamServerPort(char *hostName, short portName, int *fdP)
pqdebug("%s", PQerrormsg);
return (STATUS_ERROR);
}
sin.sin_family = AF_INET;
sin.sin_port = htons(portName);
if (bind(fd, (struct sockaddr *) & sin, sizeof sin) < 0)
if (family == AF_UNIX)
{
size_t len;
bzero(&sun, sizeof(sun));
sun.sun_family = family;
len = UNIXSOCK_PATH(sun,portName);
strcpy(sock_path, sun.sun_path);
err = bind(fd, (struct sockaddr *) &sun, len);
}
else
{
bzero(&sin, sizeof(sin));
sin.sin_family = family;
sin.sin_addr.s_addr = htonl(INADDR_ANY);
sin.sin_port = htons(portName);
err = bind(fd, (struct sockaddr *) &sin, sizeof sin);
}
if (err < 0)
{
sprintf(PQerrormsg,
"FATAL: StreamServerPort: bind() failed: errno=%d\n",
@ -645,26 +665,30 @@ StreamServerPort(char *hostName, short portName, int *fdP)
int
StreamConnection(int server_fd, Port *port)
{
int addrlen;
int len, addrlen;
int family = port->raddr.in.sin_family;
/* accept connection (and fill in the client (remote) address) */
addrlen = sizeof(struct sockaddr_in);
len = family == AF_INET ?
sizeof(struct sockaddr_in) : sizeof(struct sockaddr_un);
addrlen = len;
if ((port->sock = accept(server_fd,
(struct sockaddr *) & port->raddr,
&addrlen)) < 0)
(struct sockaddr *) & port->raddr,
&addrlen)) < 0)
{
elog(WARN, "postmaster: StreamConnection: accept: %m");
return (STATUS_ERROR);
}
/* fill in the server (local) address */
addrlen = sizeof(struct sockaddr_in);
addrlen = len;
if (getsockname(port->sock, (struct sockaddr *) & port->laddr,
&addrlen) < 0)
{
elog(WARN, "postmaster: StreamConnection: getsockname: %m");
return (STATUS_ERROR);
}
if (family == AF_INET)
{
struct protoent *pe;
int on = 1;
@ -714,45 +738,50 @@ StreamClose(int sock)
int
StreamOpen(char *hostName, short portName, Port *port)
{
int len, err;
struct hostent *hp;
int laddrlen = sizeof(struct sockaddr_in);
extern int errno;
if (!hostName)
hostName = "localhost";
/* set up the server (remote) address */
if (!(hp = gethostbyname(hostName)) || hp->h_addrtype != AF_INET)
{
MemSet((char *) &port->raddr, 0, sizeof(port->raddr));
if (hostName)
{
if (!(hp = gethostbyname(hostName)) || hp->h_addrtype != AF_INET)
{
sprintf(PQerrormsg,
"FATAL: StreamOpen: unknown hostname: %s\n",
hostName);
"FATAL: StreamOpen: unknown hostname: %s\n",
hostName);
fputs(PQerrormsg, stderr);
pqdebug("%s", PQerrormsg);
return (STATUS_ERROR);
}
MemSet((char *) &port->raddr, 0, sizeof(port->raddr));
memmove((char *) &(port->raddr.sin_addr),
(char *) hp->h_addr,
hp->h_length);
port->raddr.sin_family = AF_INET;
port->raddr.sin_port = htons(portName);
}
memmove((char *) &(port->raddr.in.sin_addr),
(char *) hp->h_addr,
hp->h_length);
port->raddr.in.sin_family = AF_INET;
port->raddr.in.sin_port = htons(portName);
len = sizeof(struct sockaddr_in);
}
else
{
port->raddr.un.sun_family = AF_UNIX;
len = UNIXSOCK_PATH(port->raddr.un,portName);
}
/* connect to the server */
if ((port->sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
if ((port->sock=socket(port->raddr.in.sin_family, SOCK_STREAM, 0)) < 0)
{
sprintf(PQerrormsg,
"FATAL: StreamOpen: socket() failed: errno=%d\n",
"FATAL: StreamOpen: socket() failed: errno=%d\n",
errno);
fputs(PQerrormsg, stderr);
pqdebug("%s", PQerrormsg);
return (STATUS_ERROR);
}
if (connect(port->sock, (struct sockaddr *) & port->raddr,
sizeof(port->raddr)) < 0)
err = connect(port->sock, (struct sockaddr*) &port->raddr, len);
if (err < 0)
{
sprintf(PQerrormsg,
"FATAL: StreamOpen: connect() failed: errno=%d\n",
"FATAL: StreamOpen: connect() failed: errno=%d\n",
errno);
fputs(PQerrormsg, stderr);
pqdebug("%s", PQerrormsg);
@ -761,7 +790,7 @@ StreamOpen(char *hostName, short portName, Port *port)
/* fill in the client address */
if (getsockname(port->sock, (struct sockaddr *) & port->laddr,
&laddrlen) < 0)
&len) < 0)
{
sprintf(PQerrormsg,
"FATAL: StreamOpen: getsockname() failed: errno=%d\n",