summaryrefslogtreecommitdiffstats
path: root/polyp
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2004-09-01 21:12:27 +0000
committerLennart Poettering <lennart@poettering.net>2004-09-01 21:12:27 +0000
commit348738751c50c7d3c4c9ed22801a0c2cb917b790 (patch)
treeecb4987e822ee418fc4a9651a7333cbf8cf6cdfa /polyp
parentee91cb6c9ded44d7f3ddb23b681df49fe5c8146b (diff)
daemon auto spawn
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@173 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'polyp')
-rw-r--r--polyp/Makefile.am21
-rw-r--r--polyp/cmdline.c38
-rwxr-xr-xpolyp/esdcompat.sh.in2
-rw-r--r--polyp/main.c8
-rw-r--r--polyp/module-native-protocol-fd.c78
-rw-r--r--polyp/pacat.c2
-rwxr-xr-xpolyp/polypaudio.pa2
-rw-r--r--polyp/polyplib-context.c125
-rw-r--r--polyp/polyplib-context.h9
-rw-r--r--polyp/polyplib-internal.h1
-rw-r--r--polyp/protocol-native.c36
-rw-r--r--polyp/protocol-native.h2
12 files changed, 287 insertions, 37 deletions
diff --git a/polyp/Makefile.am b/polyp/Makefile.am
index 7d6d9bb3..923a3522 100644
--- a/polyp/Makefile.am
+++ b/polyp/Makefile.am
@@ -21,14 +21,16 @@ polypincludedir=$(includedir)/polyp
polypconfdir=$(sysconfdir)/polyp
AM_CFLAGS=-D_GNU_SOURCE -I$(top_srcdir) $(PTHREAD_CFLAGS)
-#AM_CFLAGS+= -DPA_DLSEARCHDIR=\"$(pkglibdir)\"
-AM_CFLAGS+= -DPA_DEFAULT_CONFIG_FILE=\"$(polypconfdir)/polypaudio.pa\"
+#AM_CFLAGS+= -DDLSEARCHDIR=\"$(pkglibdir)\"
+AM_CFLAGS+="-DDEFAULT_CONFIG_FILE=\"$(polypconfdir)/polypaudio.pa\""
+AM_CFLAGS+="-DPOLYPAUDIO_BINARY=\"$(bindir)/polypaudio\""
+
AM_LDADD=$(PTHREAD_LIBS) -lm
AM_LIBADD=$(PTHREAD_LIBS) -lm
-
-EXTRA_DIST = polypaudio.pa depmod.py
+EXTRA_DIST = polypaudio.pa depmod.py esdcompat.sh.in
bin_PROGRAMS = polypaudio pacat pactl
+bin_SCRIPTS = esdcompat.sh
noinst_PROGRAMS = mainloop-test mainloop-test-glib mainloop-test-glib12 pacat-simple parec-simple
polypconf_DATA=polypaudio.pa
@@ -85,6 +87,7 @@ pkglib_LTLIBRARIES=libiochannel.la \
module-esound-protocol-unix.la \
module-native-protocol-tcp.la \
module-native-protocol-unix.la \
+ module-native-protocol-fd.la \
module-sine.la
if !X_DISPLAY_MISSING
@@ -244,6 +247,11 @@ module_native_protocol_unix_la_CFLAGS = -DUSE_UNIX_SOCKETS -DUSE_PROTOCOL_NATIVE
module_native_protocol_unix_la_LDFLAGS = -module -avoid-version
module_native_protocol_unix_la_LIBADD = $(AM_LIBADD) libprotocol-native.la libsocket-server.la libsocket-util.la
+module_native_protocol_fd_la_SOURCES = module-native-protocol-fd.c
+module_native_protocol_fd_la_CFLAGS = $(AM_CFLAGS)
+module_native_protocol_fd_la_LDFLAGS = -module -avoid-version
+module_native_protocol_fd_la_LIBADD = $(AM_LIBADD) libprotocol-native.la libsocket-server.la libsocket-util.la
+
module_esound_protocol_tcp_la_SOURCES = module-protocol-stub.c
module_esound_protocol_tcp_la_CFLAGS = -DUSE_TCP_SOCKETS -DUSE_PROTOCOL_ESOUND $(AM_CFLAGS)
module_esound_protocol_tcp_la_LDFLAGS = -module -avoid-version
@@ -452,3 +460,8 @@ endif
suid: polypaudio
chown root:root $<
chmod u+s $<
+
+esdcompat.sh: esdcompat.sh.in Makefile
+ sed -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' \
+ -e 's,@PACKAGE_NAME\@,$(PACKAGE_NAME),g' \
+ -e 's,@POLYPAUDIO_BINARY\@,$(bindir)/polypaudio,g' < $< > $@
diff --git a/polyp/cmdline.c b/polyp/cmdline.c
index 6538b930..c07e7bdc 100644
--- a/polyp/cmdline.c
+++ b/polyp/cmdline.c
@@ -28,14 +28,36 @@
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
+#include <sys/stat.h>
#include "cmdline.h"
#include "util.h"
#include "strbuf.h"
#include "xmalloc.h"
+#define ENV_CONFIG_FILE "POLYP_CONFIG"
+
+char* config_file(void) {
+ char *p, *h;
+
+ if ((p = getenv(ENV_CONFIG_FILE)))
+ return pa_xstrdup(p);
+
+ if ((h = getenv("HOME"))) {
+ struct stat st;
+ p = pa_sprintf_malloc("%s/.polypaudio", h);
+ if (stat(p, &st) >= 0)
+ return p;
+
+ pa_xfree(p);
+ }
+
+ return pa_xstrdup(DEFAULT_CONFIG_FILE);
+}
+
void pa_cmdline_help(const char *argv0) {
const char *e;
+ char *cfg = config_file();
if ((e = strrchr(argv0, '/')))
e++;
@@ -48,16 +70,18 @@ void pa_cmdline_help(const char *argv0) {
" -L MODULE Load the specified plugin module with the specified argument\n"
" -F FILE Run the specified script\n"
" -C Open a command line on the running TTY\n"
- " -n Don't load configuration file ("PA_DEFAULT_CONFIG_FILE")\n"
+ " -n Don't load configuration file (%s)\n"
" -D Daemonize after loading the modules\n"
" -f Dont quit when the startup fails\n"
" -v Verbose startup\n"
" -h Show this help\n"
- " -V Show version\n", e);
+ " -V Show version\n", e, cfg);
+
+ pa_xfree(cfg);
}
struct pa_cmdline* pa_cmdline_parse(int argc, char * const argv []) {
- char c;
+ char c, *cfg;
struct pa_cmdline *cmdline = NULL;
struct pa_strbuf *buf = NULL;
int no_default_config_file = 0;
@@ -111,9 +135,11 @@ struct pa_cmdline* pa_cmdline_parse(int argc, char * const argv []) {
}
}
- if (!no_default_config_file)
- pa_strbuf_puts(buf, ".include "PA_DEFAULT_CONFIG_FILE"\n");
-
+ if (!no_default_config_file) {
+ cfg = config_file();
+ pa_strbuf_printf(buf, ".include %s\n", cfg);
+ pa_xfree(cfg);
+ }
cmdline->cli_commands = pa_strbuf_tostring_free(buf);
return cmdline;
diff --git a/polyp/esdcompat.sh.in b/polyp/esdcompat.sh.in
index 1033930e..88ff447f 100755
--- a/polyp/esdcompat.sh.in
+++ b/polyp/esdcompat.sh.in
@@ -80,4 +80,4 @@ EOF
shift
done
-exec "@ESDCOMPAT_BINARY@" -r
+exec "@POLYPAUDIO_BINARY@" -r
diff --git a/polyp/main.c b/polyp/main.c
index e41a106f..87265da6 100644
--- a/polyp/main.c
+++ b/polyp/main.c
@@ -141,12 +141,15 @@ int main(int argc, char *argv[]) {
setsid();
setpgrp();
+
+ close(0);
+ close(1);
}
r = lt_dlinit();
assert(r == 0);
-#ifdef PA_DLSEARCHDIR
- lt_dladdsearchdir(PA_DLSEARCHDIR);
+#ifdef DLSEARCHDIR
+ lt_dladdsearchdir(DLSEARCHDIR);
#endif
mainloop = pa_mainloop_new();
@@ -155,6 +158,7 @@ int main(int argc, char *argv[]) {
r = pa_signal_init(pa_mainloop_get_api(mainloop));
assert(r == 0);
pa_signal_new(SIGINT, exit_signal_callback, NULL);
+ pa_signal_new(SIGTERM, exit_signal_callback, NULL);
signal(SIGPIPE, SIG_IGN);
c = pa_core_new(pa_mainloop_get_api(mainloop));
diff --git a/polyp/module-native-protocol-fd.c b/polyp/module-native-protocol-fd.c
new file mode 100644
index 00000000..58d09ffe
--- /dev/null
+++ b/polyp/module-native-protocol-fd.c
@@ -0,0 +1,78 @@
+/* $Id$ */
+
+/***
+ This file is part of polypaudio.
+
+ polypaudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ polypaudio 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with polypaudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include "module.h"
+#include "iochannel.h"
+#include "modargs.h"
+#include "protocol-native.h"
+
+static const char* const valid_modargs[] = {
+ "fd",
+ "public",
+ "cookie",
+ NULL,
+};
+
+int pa_module_init(struct pa_core *c, struct pa_module*m) {
+ struct pa_iochannel *io;
+ struct pa_modargs *ma;
+ int fd, r = -1;
+ assert(c && m);
+
+ if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+ fprintf(stderr, __FILE__": failed to parse module arguments.\n");
+ goto finish;
+ }
+
+ if (pa_modargs_get_value_u32(ma, "fd", &fd) < 0) {
+ fprintf(stderr, __FILE__": invalid file descriptor.\n");
+ goto finish;
+ }
+
+ io = pa_iochannel_new(c->mainloop, fd, fd);
+
+ if (!(m->userdata = pa_protocol_native_new_iochannel(c, io, m, ma))) {
+ pa_iochannel_free(io);
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (ma)
+ pa_modargs_free(ma);
+
+ return r;
+}
+
+void pa_module_done(struct pa_core *c, struct pa_module*m) {
+ assert(c && m);
+
+ pa_protocol_native_free(m->userdata);
+}
diff --git a/polyp/pacat.c b/polyp/pacat.c
index b251cc35..fd6e90e1 100644
--- a/polyp/pacat.c
+++ b/polyp/pacat.c
@@ -346,7 +346,7 @@ int main(int argc, char *argv[]) {
pa_context_set_state_callback(context, context_state_callback, NULL);
/* Connect the context */
- pa_context_connect(context, NULL);
+ pa_context_connect_spawn(context, NULL);
/* Run the main loop */
if (pa_mainloop_run(m, &ret) < 0) {
diff --git a/polyp/polypaudio.pa b/polyp/polypaudio.pa
index 0c69893a..715e23b6 100755
--- a/polyp/polypaudio.pa
+++ b/polyp/polypaudio.pa
@@ -43,7 +43,7 @@ load module-native-protocol-unix
load module-esound-protocol-unix
# Load the CLI module
-load module-cli
+#load module-cli
# Make some devices default
sink_default output
diff --git a/polyp/polyplib-context.c b/polyp/polyplib-context.c
index 2ead4004..fb6eadf4 100644
--- a/polyp/polyplib-context.c
+++ b/polyp/polyplib-context.c
@@ -30,6 +30,10 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <sys/wait.h>
#include "polyplib-internal.h"
#include "polyplib-context.h"
@@ -234,9 +238,11 @@ static void setup_complete_callback(struct pa_pdispatch *pd, uint32_t command, u
pa_context_ref(c);
if (command != PA_COMMAND_REPLY) {
+
if (pa_context_handle_error(c, command, t) < 0)
pa_context_fail(c, PA_ERROR_PROTOCOL);
+ pa_context_fail(c, c->error);
goto finish;
}
@@ -267,22 +273,13 @@ finish:
pa_context_unref(c);
}
-static void on_connection(struct pa_socket_client *client, struct pa_iochannel*io, void *userdata) {
- struct pa_context *c = userdata;
+static void setup_context(struct pa_context *c, struct pa_iochannel *io) {
struct pa_tagstruct *t;
uint32_t tag;
- assert(client && c && c->state == PA_CONTEXT_CONNECTING);
+ assert(c && io);
pa_context_ref(c);
- pa_socket_client_unref(client);
- c->client = NULL;
-
- if (!io) {
- pa_context_fail(c, PA_ERROR_CONNECTIONREFUSED);
- goto finish;
- }
-
assert(!c->pstream);
c->pstream = pa_pstream_new(c->mainloop, io, c->memblock_stat);
assert(c->pstream);
@@ -295,6 +292,11 @@ static void on_connection(struct pa_socket_client *client, struct pa_iochannel*i
c->pdispatch = pa_pdispatch_new(c->mainloop, command_table, PA_COMMAND_MAX);
assert(c->pdispatch);
+ if (pa_authkey_load_from_home(PA_NATIVE_COOKIE_FILE, c->auth_cookie, sizeof(c->auth_cookie)) < 0) {
+ pa_context_fail(c, PA_ERROR_AUTHKEY);
+ goto finish;
+ }
+
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_AUTH);
@@ -306,6 +308,27 @@ static void on_connection(struct pa_socket_client *client, struct pa_iochannel*i
pa_context_set_state(c, PA_CONTEXT_AUTHORIZING);
finish:
+
+ pa_context_unref(c);
+}
+
+static void on_connection(struct pa_socket_client *client, struct pa_iochannel*io, void *userdata) {
+ struct pa_context *c = userdata;
+ assert(client && c && c->state == PA_CONTEXT_CONNECTING);
+
+ pa_context_ref(c);
+
+ pa_socket_client_unref(client);
+ c->client = NULL;
+
+ if (!io) {
+ pa_context_fail(c, PA_ERROR_CONNECTIONREFUSED);
+ goto finish;
+ }
+
+ setup_context(c, io);
+
+finish:
pa_context_unref(c);
}
@@ -343,11 +366,6 @@ int pa_context_connect(struct pa_context *c, const char *server) {
pa_context_ref(c);
- if (pa_authkey_load_from_home(PA_NATIVE_COOKIE_FILE, c->auth_cookie, sizeof(c->auth_cookie)) < 0) {
- pa_context_fail(c, PA_ERROR_AUTHKEY);
- goto finish;
- }
-
if (!server)
if (!(server = getenv(ENV_DEFAULT_SERVER)))
server = DEFAULT_SERVER;
@@ -539,3 +557,78 @@ struct pa_operation* pa_context_send_simple_command(struct pa_context *c, uint32
const char* pa_get_library_version(void) {
return PACKAGE_VERSION;
}
+
+static int is_running(void) {
+ struct stat st;
+
+ if (DEFAULT_SERVER[0] != '/')
+ return 1;
+
+ if (stat(DEFAULT_SERVER, &st) < 0)
+ return 0;
+
+ return 1;
+}
+
+int pa_context_connect_spawn(struct pa_context *c, void (*atfork)(void)) {
+ pid_t pid;
+ int status;
+ int fds[2] = { -1, -1} ;
+ struct pa_iochannel *io;
+
+ if (getenv(ENV_DEFAULT_SERVER) || is_running())
+ return pa_context_connect(c, NULL);
+
+ if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) < 0) {
+ fprintf(stderr, __FILE__": socketpair() failed: %s\n", strerror(errno));
+ pa_context_fail(c, PA_ERROR_INTERNAL);
+ goto fail;
+ }
+
+ if ((pid = fork()) < 0) {
+ fprintf(stderr, __FILE__": fork() failed: %s\n", strerror(errno));
+ pa_context_fail(c, PA_ERROR_INTERNAL);
+ goto fail;
+ } else if (!pid) {
+ char t[64];
+ char *p;
+ /* Child */
+
+ close(fds[0]);
+
+ if (atfork)
+ atfork();
+
+ if (!(p = getenv(ENV_DEFAULT_BINARY)))
+ p = POLYPAUDIO_BINARY;
+
+ snprintf(t, sizeof(t), "-Lmodule-native-protocol-fd fd=%i", fds[1]);
+ execl(p, p, "-r", "-D", t, NULL);
+
+ exit(1);
+ }
+
+ /* Parent */
+ if (waitpid(pid, &status, 0) < 0) {
+ fprintf(stderr, __FILE__": waitpid() failed: %s\n", strerror(errno));
+ pa_context_fail(c, PA_ERROR_INTERNAL);
+ goto fail;
+ } else if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+ pa_context_fail(c, PA_ERROR_CONNECTIONREFUSED);
+ goto fail;
+ }
+
+ close(fds[1]);
+
+ io = pa_iochannel_new(c->mainloop, fds[0], fds[0]);
+ setup_context(c, io);
+ return 0;
+
+fail:
+ if (fds[0] != -1)
+ close(fds[0]);
+ if (fds[1] != -1)
+ close(fds[1]);
+
+ return -1;
+}
diff --git a/polyp/polyplib-context.h b/polyp/polyplib-context.h
index 9614ce69..c7d20703 100644
--- a/polyp/polyplib-context.h
+++ b/polyp/polyplib-context.h
@@ -1,3 +1,4 @@
+
#ifndef foopolyplibcontexthfoo
#define foopolyplibcontexthfoo
@@ -78,6 +79,14 @@ return synchronously on error. Use pa_context_set_state_callback() to
be notified when the connection is established */
int pa_context_connect(struct pa_context *c, const char *server);
+/** Connect the context to a server. If the default server is local
+ * but not accessible, spawn a new daemon. If atfork is not NULL it is
+ * run after the fork() in the child process. It may be used to close
+ * file descriptors or to do any other cleanups. Make sure that
+ * SIGCHLD is handled when calling this function. The function will
+ * waitpid() on the daemon's PID. \since 0.4 */
+int pa_context_connect_spawn(struct pa_context *c, void (*atfork)(void));
+
/** Terminate the context connection immediately */
void pa_context_disconnect(struct pa_context *c);
diff --git a/polyp/polyplib-internal.h b/polyp/polyplib-internal.h
index 813bb04e..de63b1ba 100644
--- a/polyp/polyplib-internal.h
+++ b/polyp/polyplib-internal.h
@@ -47,6 +47,7 @@
#define ENV_DEFAULT_SINK "POLYP_SINK"
#define ENV_DEFAULT_SOURCE "POLYP_SOURCE"
#define ENV_DEFAULT_SERVER "POLYP_SERVER"
+#define ENV_DEFAULT_BINARY "POLYP_BINARY"
struct pa_context {
int ref;
diff --git a/polyp/protocol-native.c b/polyp/protocol-native.c
index 9c6996be..9dddf9a1 100644
--- a/polyp/protocol-native.c
+++ b/polyp/protocol-native.c
@@ -1466,7 +1466,7 @@ static void client_kill_cb(struct pa_client *c) {
static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata) {
struct pa_protocol_native *p = userdata;
struct connection *c;
- assert(s && io && p);
+ assert(io && p);
c = pa_xmalloc(sizeof(struct connection));
c->authorized = p->public;
@@ -1501,10 +1501,10 @@ static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, vo
/*** module entry points ***/
-struct pa_protocol_native* pa_protocol_native_new(struct pa_core *core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma) {
+static struct pa_protocol_native* protocol_new_internal(struct pa_core *c, struct pa_module *m, struct pa_modargs *ma) {
struct pa_protocol_native *p;
uint32_t public;
- assert(core && server && ma);
+ assert(c && ma);
if (pa_modargs_get_value_u32(ma, "public", &public) < 0) {
fprintf(stderr, __FILE__": public= expects numeric argument.\n");
@@ -1520,11 +1520,21 @@ struct pa_protocol_native* pa_protocol_native_new(struct pa_core *core, struct p
p->module = m;
p->public = public;
- p->server = server;
- p->core = core;
+ p->server = NULL;
+ p->core = c;
p->connections = pa_idxset_new(NULL, NULL);
assert(p->connections);
+ return p;
+}
+
+struct pa_protocol_native* pa_protocol_native_new(struct pa_core *core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma) {
+ struct pa_protocol_native *p;
+
+ if (!(p = protocol_new_internal(core, m, ma)))
+ return NULL;
+
+ p->server = server;
pa_socket_server_set_callback(p->server, on_connection, p);
return p;
@@ -1537,6 +1547,20 @@ void pa_protocol_native_free(struct pa_protocol_native *p) {
while ((c = pa_idxset_first(p->connections, NULL)))
connection_free(c);
pa_idxset_free(p->connections, NULL, NULL);
- pa_socket_server_unref(p->server);
+
+ if (p->server)
+ pa_socket_server_unref(p->server);
+
pa_xfree(p);
}
+
+struct pa_protocol_native* pa_protocol_native_new_iochannel(struct pa_core*core, struct pa_iochannel *io, struct pa_module *m, struct pa_modargs *ma) {
+ struct pa_protocol_native *p;
+
+ if (!(p = protocol_new_internal(core, m, ma)))
+ return NULL;
+
+ on_connection(NULL, io, p);
+
+ return p;
+}
diff --git a/polyp/protocol-native.h b/polyp/protocol-native.h
index 3d9fdde1..edc6acbc 100644
--- a/polyp/protocol-native.h
+++ b/polyp/protocol-native.h
@@ -32,4 +32,6 @@ struct pa_protocol_native;
struct pa_protocol_native* pa_protocol_native_new(struct pa_core*core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma);
void pa_protocol_native_free(struct pa_protocol_native *n);
+struct pa_protocol_native* pa_protocol_native_new_iochannel(struct pa_core*core, struct pa_iochannel *io, struct pa_module *m, struct pa_modargs *ma);
+
#endif