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pulse-server: improve stale socket detection

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Only declare stale when ECONNREFUSED and not socket activated.
This commit is contained in:
Wim Taymans 2020-11-12 13:02:18 +01:00
parent 6e2ab9973b
commit 593c183166
2 changed files with 30 additions and 11 deletions
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33
src/modules/module-protocol-pulse/pulse-server.c
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@ -44,6 +44,10 @@
#include <pwd.h>
#endif
#ifdef HAVE_SYSTEMD
#include <systemd/sd-daemon.h>
#endif
#include <pipewire/log.h>
#define spa_debug pw_log_debug
@ -4390,16 +4394,31 @@ get_server_name(struct pw_context *context)
return name;
}
static int check_connect(struct server *server, int fd)
static bool is_stale_socket(struct server *server, int fd)
{
int res;
socklen_t size;
size = offsetof(struct sockaddr_un, sun_path) + strlen(server->addr.sun_path);
if ((res = connect(fd, (struct sockaddr *)&server->addr, size)) < 0)
return -errno;
#ifdef HAVE_SYSTEMD
{
int i, n = sd_listen_fds(0);
for (i = 0; i < n; ++i) {
if (sd_is_socket_unix(SD_LISTEN_FDS_START + i, SOCK_STREAM,
1, server->addr.sun_path, 0) > 0) {
/* socket activated sockets are not stale */
pw_log_info(NAME" %p: Found socket activation socket for '%s'",
server, server->addr.sun_path);
return false;
}
}
}
#endif
return 0;
size = offsetof(struct sockaddr_un, sun_path) + strlen(server->addr.sun_path);
if (connect(fd, (struct sockaddr *)&server->addr, size) < 0) {
if (errno == ECONNREFUSED)
return true;
}
return false;
}
static int make_local_socket(struct server *server, char *name)
@ -4437,7 +4456,7 @@ static int make_local_socket(struct server *server, char *name)
}
} else if (socket_stat.st_mode & S_IWUSR || socket_stat.st_mode & S_IWGRP) {
/* socket is there, check if we can connect */
if ((res = check_connect(server, fd)) < 0) {
if (is_stale_socket(server, fd)) {
/* we can't connect, probably stale, remove it */
pw_log_warn(NAME" %p: unlink stale socket %s: %s", server,
server->addr.sun_path, spa_strerror(res));