-/* $Id$ */
-
/***
- This file is part of PulseAudio.
-
- PulseAudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- PulseAudio is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with PulseAudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
+ This file is part of PulseAudio.
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
***/
#ifdef HAVE_CONFIG_H
#include <stdio.h>
#include <errno.h>
#include <string.h>
-#include <assert.h>
#include <stdlib.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <asyncns.h>
#endif
-#include "winsock.h"
-
+#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
-#include <pulsecore/core-error.h>
+#include <pulsecore/socket.h>
#include <pulsecore/socket-util.h>
+#include <pulsecore/core-error.h>
+#include <pulsecore/core-rtclock.h>
#include <pulsecore/core-util.h>
+#include <pulsecore/socket-util.h>
#include <pulsecore/log.h>
#include <pulsecore/parseaddr.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/refcnt.h>
+#include <pulsecore/arpa-inet.h>
#include "socket-client.h"
#define CONNECT_TIMEOUT 5
struct pa_socket_client {
- int ref;
- pa_mainloop_api *mainloop;
+ PA_REFCNT_DECLARE;
int fd;
+
+ pa_mainloop_api *mainloop;
pa_io_event *io_event;
pa_time_event *timeout_event;
pa_defer_event *defer_event;
- void (*callback)(pa_socket_client*c, pa_iochannel *io, void *userdata);
+
+ pa_socket_client_cb_t callback;
void *userdata;
- int local;
+
+ pa_bool_t local;
+
#ifdef HAVE_LIBASYNCNS
asyncns_t *asyncns;
asyncns_query_t * asyncns_query;
#endif
};
-static pa_socket_client*pa_socket_client_new(pa_mainloop_api *m) {
+static pa_socket_client* socket_client_new(pa_mainloop_api *m) {
pa_socket_client *c;
- assert(m);
+ pa_assert(m);
- c = pa_xmalloc(sizeof(pa_socket_client));
- c->ref = 1;
+ c = pa_xnew0(pa_socket_client, 1);
+ PA_REFCNT_INIT(c);
c->mainloop = m;
c->fd = -1;
- c->io_event = NULL;
- c->defer_event = NULL;
- c->timeout_event = NULL;
- c->callback = NULL;
- c->userdata = NULL;
- c->local = 0;
-
-#ifdef HAVE_LIBASYNCNS
- c->asyncns = NULL;
- c->asyncns_io_event = NULL;
- c->asyncns_query = NULL;
-#endif
return c;
}
static void free_events(pa_socket_client *c) {
- assert(c);
-
+ pa_assert(c);
+
if (c->io_event) {
c->mainloop->io_free(c->io_event);
c->io_event = NULL;
}
-
- if (c->defer_event) {
- c->mainloop->defer_free(c->defer_event);
- c->defer_event = NULL;
- }
-
+
if (c->timeout_event) {
c->mainloop->time_free(c->timeout_event);
c->timeout_event = NULL;
}
+
+ if (c->defer_event) {
+ c->mainloop->defer_free(c->defer_event);
+ c->defer_event = NULL;
+ }
}
static void do_call(pa_socket_client *c) {
pa_iochannel *io = NULL;
int error;
socklen_t lerror;
- assert(c && c->callback);
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(c->callback);
pa_socket_client_ref(c);
if (c->fd < 0)
goto finish;
-
+
lerror = sizeof(error);
if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, (void*)&error, &lerror) < 0) {
pa_log("getsockopt(): %s", pa_cstrerror(errno));
}
if (error != 0) {
- pa_log_debug("connect(): %s", pa_cstrerror(errno));
+ pa_log_debug("connect(): %s", pa_cstrerror(error));
errno = error;
goto finish;
}
io = pa_iochannel_new(c->mainloop, c->fd, c->fd);
- assert(io);
-
+
finish:
if (!io && c->fd >= 0)
- close(c->fd);
+ pa_close(c->fd);
c->fd = -1;
free_events(c);
-
- assert(c->callback);
+
c->callback(c, io, c->userdata);
-
+
pa_socket_client_unref(c);
}
-static void connect_fixed_cb(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
+static void connect_defer_cb(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
pa_socket_client *c = userdata;
- assert(m && c && c->defer_event == e);
+
+ pa_assert(m);
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(c->defer_event == e);
+
do_call(c);
}
-static void connect_io_cb(pa_mainloop_api*m, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) {
+static void connect_io_cb(pa_mainloop_api*m, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
pa_socket_client *c = userdata;
- assert(m && c && c->io_event == e && fd >= 0);
+
+ pa_assert(m);
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(c->io_event == e);
+ pa_assert(fd >= 0);
+
do_call(c);
}
static int do_connect(pa_socket_client *c, const struct sockaddr *sa, socklen_t len) {
- int r;
- assert(c && sa && len);
-
- pa_make_nonblock_fd(c->fd);
-
- if ((r = connect(c->fd, sa, len)) < 0) {
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(sa);
+ pa_assert(len > 0);
+
+ pa_make_fd_nonblock(c->fd);
+
+ if (connect(c->fd, sa, len) < 0) {
#ifdef OS_IS_WIN32
if (WSAGetLastError() != EWOULDBLOCK) {
pa_log_debug("connect(): %d", WSAGetLastError());
}
c->io_event = c->mainloop->io_new(c->mainloop, c->fd, PA_IO_EVENT_OUTPUT, connect_io_cb, c);
- assert(c->io_event);
- } else {
- c->defer_event = c->mainloop->defer_new(c->mainloop, connect_fixed_cb, c);
- assert(c->defer_event);
- }
+ } else
+ c->defer_event = c->mainloop->defer_new(c->mainloop, connect_defer_cb, c);
return 0;
}
pa_socket_client* pa_socket_client_new_ipv4(pa_mainloop_api *m, uint32_t address, uint16_t port) {
struct sockaddr_in sa;
- assert(m && port > 0);
- memset(&sa, 0, sizeof(sa));
+ pa_assert(m);
+ pa_assert(port > 0);
+
+ pa_zero(sa);
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(address);
return pa_socket_client_new_sockaddr(m, (struct sockaddr*) &sa, sizeof(sa));
}
-#ifdef HAVE_SYS_UN_H
-
pa_socket_client* pa_socket_client_new_unix(pa_mainloop_api *m, const char *filename) {
+#ifdef HAVE_SYS_UN_H
struct sockaddr_un sa;
- assert(m && filename);
-
- memset(&sa, 0, sizeof(sa));
+
+ pa_assert(m);
+ pa_assert(filename);
+
+ pa_zero(sa);
sa.sun_family = AF_UNIX;
- strncpy(sa.sun_path, filename, sizeof(sa.sun_path)-1);
- sa.sun_path[sizeof(sa.sun_path) - 1] = 0;
+ pa_strlcpy(sa.sun_path, filename, sizeof(sa.sun_path));
return pa_socket_client_new_sockaddr(m, (struct sockaddr*) &sa, sizeof(sa));
-}
-
#else /* HAVE_SYS_UN_H */
-pa_socket_client* pa_socket_client_new_unix(pa_mainloop_api *m, const char *filename) {
return NULL;
-}
-
#endif /* HAVE_SYS_UN_H */
+}
static int sockaddr_prepare(pa_socket_client *c, const struct sockaddr *sa, size_t salen) {
- assert(c);
- assert(sa);
- assert(salen);
-
- switch (sa->sa_family) {
- case AF_UNIX:
- c->local = 1;
- break;
-
- case AF_INET:
- c->local = ((const struct sockaddr_in*) sa)->sin_addr.s_addr == INADDR_LOOPBACK;
- break;
-
- case AF_INET6:
- c->local = memcmp(&((const struct sockaddr_in6*) sa)->sin6_addr, &in6addr_loopback, sizeof(struct in6_addr)) == 0;
- break;
-
- default:
- c->local = 0;
- }
-
- if ((c->fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) {
+ pa_assert(c);
+ pa_assert(sa);
+ pa_assert(salen);
+
+ c->local = pa_socket_address_is_local(sa);
+
+ if ((c->fd = pa_socket_cloexec(sa->sa_family, SOCK_STREAM, 0)) < 0) {
pa_log("socket(): %s", pa_cstrerror(errno));
return -1;
}
- pa_fd_set_cloexec(c->fd, 1);
+#ifdef HAVE_IPV6
if (sa->sa_family == AF_INET || sa->sa_family == AF_INET6)
- pa_socket_tcp_low_delay(c->fd);
+#else
+ if (sa->sa_family == AF_INET)
+#endif
+ pa_make_tcp_socket_low_delay(c->fd);
else
- pa_socket_low_delay(c->fd);
+ pa_make_socket_low_delay(c->fd);
- if (do_connect(c, sa, salen) < 0)
+ if (do_connect(c, sa, (socklen_t) salen) < 0)
return -1;
return 0;
pa_socket_client* pa_socket_client_new_sockaddr(pa_mainloop_api *m, const struct sockaddr *sa, size_t salen) {
pa_socket_client *c;
- assert(m && sa);
- c = pa_socket_client_new(m);
- assert(c);
+
+ pa_assert(m);
+ pa_assert(sa);
+ pa_assert(salen > 0);
+
+ c = socket_client_new(m);
if (sockaddr_prepare(c, sa, salen) < 0)
goto fail;
-
+
return c;
fail:
pa_socket_client_unref(c);
return NULL;
-
}
static void socket_client_free(pa_socket_client *c) {
- assert(c && c->mainloop);
-
+ pa_assert(c);
+ pa_assert(c->mainloop);
free_events(c);
-
+
if (c->fd >= 0)
- close(c->fd);
+ pa_close(c->fd);
#ifdef HAVE_LIBASYNCNS
if (c->asyncns_query)
if (c->asyncns_io_event)
c->mainloop->io_free(c->asyncns_io_event);
#endif
-
+
pa_xfree(c);
}
void pa_socket_client_unref(pa_socket_client *c) {
- assert(c && c->ref >= 1);
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
- if (!(--(c->ref)))
+ if (PA_REFCNT_DEC(c) <= 0)
socket_client_free(c);
}
pa_socket_client* pa_socket_client_ref(pa_socket_client *c) {
- assert(c && c->ref >= 1);
- c->ref++;
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ PA_REFCNT_INC(c);
return c;
}
-void pa_socket_client_set_callback(pa_socket_client *c, void (*on_connection)(pa_socket_client *c, pa_iochannel*io, void *userdata), void *userdata) {
- assert(c);
+void pa_socket_client_set_callback(pa_socket_client *c, pa_socket_client_cb_t on_connection, void *userdata) {
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
c->callback = on_connection;
c->userdata = userdata;
}
pa_socket_client* pa_socket_client_new_ipv6(pa_mainloop_api *m, uint8_t address[16], uint16_t port) {
+#ifdef HAVE_IPV6
struct sockaddr_in6 sa;
-
- memset(&sa, 0, sizeof(sa));
+
+ pa_assert(m);
+ pa_assert(address);
+ pa_assert(port > 0);
+
+ pa_zero(sa);
sa.sin6_family = AF_INET6;
sa.sin6_port = htons(port);
memcpy(&sa.sin6_addr, address, sizeof(sa.sin6_addr));
return pa_socket_client_new_sockaddr(m, (struct sockaddr*) &sa, sizeof(sa));
+
+#else
+ return NULL;
+#endif
}
#ifdef HAVE_LIBASYNCNS
-static void asyncns_cb(pa_mainloop_api*m, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) {
+static void asyncns_cb(pa_mainloop_api*m, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
pa_socket_client *c = userdata;
struct addrinfo *res = NULL;
int ret;
- assert(m && c && c->asyncns_io_event == e && fd >= 0);
+
+ pa_assert(m);
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(c->asyncns_io_event == e);
+ pa_assert(fd >= 0);
if (asyncns_wait(c->asyncns, 0) < 0)
goto fail;
if (ret != 0 || !res)
goto fail;
-
+
if (res->ai_addr)
- sockaddr_prepare(c, res->ai_addr, res->ai_addrlen);
-
+ if (sockaddr_prepare(c, res->ai_addr, res->ai_addrlen) < 0)
+ goto fail;
+
asyncns_freeaddrinfo(res);
m->io_free(c->asyncns_io_event);
c->asyncns_io_event = NULL;
return;
-
+
fail:
m->io_free(c->asyncns_io_event);
c->asyncns_io_event = NULL;
-
+
errno = EHOSTUNREACH;
do_call(c);
return;
-
+
}
#endif
-static void timeout_cb(pa_mainloop_api *m, pa_time_event *e, const struct timeval *tv, void *userdata) {
+static void timeout_cb(pa_mainloop_api *m, pa_time_event *e, const struct timeval *t, void *userdata) {
pa_socket_client *c = userdata;
- assert(m);
- assert(e);
- assert(tv);
- assert(c);
+
+ pa_assert(m);
+ pa_assert(e);
+ pa_assert(c);
if (c->fd >= 0) {
- close(c->fd);
+ pa_close(c->fd);
c->fd = -1;
}
do_call(c);
}
-static void start_timeout(pa_socket_client *c) {
+static void start_timeout(pa_socket_client *c, pa_bool_t use_rtclock) {
struct timeval tv;
- assert(c);
- assert(!c->timeout_event);
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, CONNECT_TIMEOUT * 1000000);
- c->timeout_event = c->mainloop->time_new(c->mainloop, &tv, timeout_cb, c);
+ pa_assert(c);
+ pa_assert(!c->timeout_event);
+
+ c->timeout_event = c->mainloop->time_new(c->mainloop, pa_timeval_rtstore(&tv, pa_rtclock_now() + CONNECT_TIMEOUT * PA_USEC_PER_SEC, use_rtclock), timeout_cb, c);
}
-pa_socket_client* pa_socket_client_new_string(pa_mainloop_api *m, const char*name, uint16_t default_port) {
+pa_socket_client* pa_socket_client_new_string(pa_mainloop_api *m, pa_bool_t use_rtclock, const char*name, uint16_t default_port) {
pa_socket_client *c = NULL;
pa_parsed_address a;
- assert(m && name);
+
+ pa_assert(m);
+ pa_assert(name);
if (pa_parse_address(name, &a) < 0)
return NULL;
if (!a.port)
a.port = default_port;
-
+
switch (a.type) {
case PA_PARSED_ADDRESS_UNIX:
if ((c = pa_socket_client_new_unix(m, a.path_or_host)))
- start_timeout(c);
+ start_timeout(c, use_rtclock);
break;
case PA_PARSED_ADDRESS_TCP4: /* Fallthrough */
case PA_PARSED_ADDRESS_TCP6: /* Fallthrough */
- case PA_PARSED_ADDRESS_TCP_AUTO:{
-
+ case PA_PARSED_ADDRESS_TCP_AUTO: {
struct addrinfo hints;
char port[12];
- snprintf(port, sizeof(port), "%u", (unsigned) a.port);
+ pa_snprintf(port, sizeof(port), "%u", (unsigned) a.port);
+
+ pa_zero(hints);
+ if (a.type == PA_PARSED_ADDRESS_TCP4)
+ hints.ai_family = PF_INET;
+#ifdef HAVE_IPV6
+ else if (a.type == PA_PARSED_ADDRESS_TCP6)
+ hints.ai_family = PF_INET6;
+#endif
+ else
+ hints.ai_family = PF_UNSPEC;
- memset(&hints, 0, sizeof(hints));
- hints.ai_family = a.type == PA_PARSED_ADDRESS_TCP4 ? PF_INET : (a.type == PA_PARSED_ADDRESS_TCP6 ? PF_INET6 : PF_UNSPEC);
hints.ai_socktype = SOCK_STREAM;
-
-#ifdef HAVE_LIBASYNCNS
+
+#if defined(HAVE_LIBASYNCNS)
{
asyncns_t *asyncns;
-
+
if (!(asyncns = asyncns_new(1)))
goto finish;
- c = pa_socket_client_new(m);
+ c = socket_client_new(m);
c->asyncns = asyncns;
c->asyncns_io_event = m->io_new(m, asyncns_fd(c->asyncns), PA_IO_EVENT_INPUT, asyncns_cb, c);
- c->asyncns_query = asyncns_getaddrinfo(c->asyncns, a.path_or_host, port, &hints);
- assert(c->asyncns_query);
- start_timeout(c);
+ pa_assert_se(c->asyncns_query = asyncns_getaddrinfo(c->asyncns, a.path_or_host, port, &hints));
+ start_timeout(c, use_rtclock);
}
-#else /* HAVE_LIBASYNCNS */
+#elif defined(HAVE_GETADDRINFO)
{
-#ifdef HAVE_GETADDRINFO
int ret;
struct addrinfo *res = NULL;
ret = getaddrinfo(a.path_or_host, port, &hints, &res);
-
+
if (ret < 0 || !res)
goto finish;
if (res->ai_addr) {
if ((c = pa_socket_client_new_sockaddr(m, res->ai_addr, res->ai_addrlen)))
- start_timeout(c);
- }
-
+ start_timeout(c, use_rtclock);
+ }
+
freeaddrinfo(res);
-#else /* HAVE_GETADDRINFO */
+ }
+#else
+ {
struct hostent *host = NULL;
struct sockaddr_in s;
+#ifdef HAVE_IPV6
/* FIXME: PF_INET6 support */
if (hints.ai_family == PF_INET6) {
pa_log_error("IPv6 is not supported on Windows");
goto finish;
}
+#endif
host = gethostbyname(a.path_or_host);
if (!host) {
if (!host)
goto finish;
+ pa_zero(s);
s.sin_family = AF_INET;
memcpy(&s.sin_addr, host->h_addr, sizeof(struct in_addr));
s.sin_port = htons(a.port);
if ((c = pa_socket_client_new_sockaddr(m, (struct sockaddr*)&s, sizeof(s))))
- start_timeout(c);
-#endif /* HAVE_GETADDRINFO */
+ start_timeout(c, use_rtclock);
}
#endif /* HAVE_LIBASYNCNS */
}
finish:
pa_xfree(a.path_or_host);
return c;
-
+
}
/* Return non-zero when the target sockaddr is considered
local. "local" means UNIX socket or TCP socket on localhost. Other
local IP addresses are not considered local. */
-int pa_socket_client_is_local(pa_socket_client *c) {
- assert(c);
+pa_bool_t pa_socket_client_is_local(pa_socket_client *c) {
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
return c->local;
}