mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-10-29 05:40:23 -04:00
proper ref counting for more objects
some documentation update git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@124 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
parent
22cb23eedb
commit
c17545108b
24 changed files with 251 additions and 143 deletions
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@ -291,7 +291,7 @@ HIDE_SCOPE_NAMES = NO
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# will put a list of the files that are included by a file in the documentation
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# of that file.
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SHOW_INCLUDE_FILES = YES
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SHOW_INCLUDE_FILES = NO
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# If the INLINE_INFO tag is set to YES (the default) then a tag [inline]
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# is inserted in the documentation for inline members.
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@ -124,7 +124,8 @@ polypaudio_SOURCES = idxset.c idxset.h \
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play-memchunk.c play-memchunk.h \
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autoload.c autoload.h \
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xmalloc.c xmalloc.h \
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subscribe.h subscribe.c
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subscribe.h subscribe.c \
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debug.h
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polypaudio_CFLAGS = $(AM_CFLAGS) $(LIBSAMPLERATE_CFLAGS) $(LIBSNDFILE_CFLAGS)
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polypaudio_INCLUDES = $(INCLTDL)
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@ -296,7 +297,8 @@ libpolyp_la_SOURCES = polyplib.h \
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polyplib-introspect.c polyplib-introspect.h \
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polyplib-scache.c polyplib-scache.h \
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polyplib-subscribe.c polyplib-subscribe.h \
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cdecl.h
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cdecl.h \
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llist.h
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libpolyp_la_CFLAGS = $(AM_CFLAGS)
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libpolyp_mainloop_la_SOURCES = mainloop-api.h mainloop-api.c \
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@ -79,4 +79,6 @@ void pa_client_rename(struct pa_client *c, const char *name) {
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assert(c);
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pa_xfree(c->name);
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c->name = pa_xstrdup(name);
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pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->index);
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}
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@ -24,6 +24,6 @@ void pa_glib_mainloop_free(struct pa_glib_mainloop* g);
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/** Return the abstract main loop API vtable for the GLIB main loop object */
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struct pa_mainloop_api* pa_glib_mainloop_get_api(struct pa_glib_mainloop *g);
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PA_C_DECL_BEGIN
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PA_C_DECL_END
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#endif
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@ -27,6 +27,20 @@
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#include "cdecl.h"
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/** \file
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*
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* Main loop abstraction layer. Both the polypaudio core and the
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* polypaudio client library use a main loop abstraction layer. Due to
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* this it is possible to embed polypaudio into other
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* applications easily. Two main loop implemenations are
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* currently available:
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* \li A minimal implementation based on the C library's poll() function (See \ref mainloop.h)
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* \li A wrapper around the GLIB main loop. Use this to embed polypaudio into your GLIB/GTK+/GNOME programs (See \ref glib-mainloop.h)
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*
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* The structure pa_mainloop_api is used as vtable for the main loop abstraction.
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* */
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PA_C_DECL_BEGIN
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/** A bitmask for IO events */
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@ -55,16 +69,28 @@ struct pa_mainloop_api {
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/** A pointer to some private, arbitrary data of the main loop implementation */
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void *userdata;
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/* IO sources */
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/** Create a new IO event source object */
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struct pa_io_event* (*io_new)(struct pa_mainloop_api*a, int fd, enum pa_io_event_flags events, void (*callback) (struct pa_mainloop_api*a, struct pa_io_event* e, int fd, enum pa_io_event_flags events, void *userdata), void *userdata);
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/** Enable or disable IO events on this object */
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void (*io_enable)(struct pa_io_event* e, enum pa_io_event_flags events);
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/** Free a IO event source object */
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void (*io_free)(struct pa_io_event* e);
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/** Set a function that is called when the IO event source is destroyed. Use this to free the userdata argument if required */
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void (*io_set_destroy)(struct pa_io_event *e, void (*callback) (struct pa_mainloop_api*a, struct pa_io_event *e, void *userdata));
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/* Time sources */
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/** Create a new timer event source object for the specified Unix time */
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struct pa_time_event* (*time_new)(struct pa_mainloop_api*a, const struct timeval *tv, void (*callback) (struct pa_mainloop_api*a, struct pa_time_event* e, const struct timeval *tv, void *userdata), void *userdata);
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/** Restart a running or expired timer event source with a new Unix time */
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void (*time_restart)(struct pa_time_event* e, const struct timeval *tv);
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/** Free a deferred timer event source object */
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void (*time_free)(struct pa_time_event* e);
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/** Set a function that is called when the timer event source is destroyed. Use this to free the userdata argument if required */
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void (*time_set_destroy)(struct pa_time_event *e, void (*callback) (struct pa_mainloop_api*a, struct pa_time_event *e, void *userdata));
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/** Create a new deferred event source object */
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@ -23,6 +23,9 @@
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***/
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#include "mainloop-api.h"
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#include "cdecl.h"
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PA_C_DECL_BEGIN
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int pa_signal_init(struct pa_mainloop_api *api);
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void pa_signal_done(void);
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@ -34,4 +37,6 @@ void pa_signal_free(struct pa_signal_event *e);
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void pa_signal_set_destroy(struct pa_signal_event *e, void (*callback) (struct pa_mainloop_api *api, struct pa_signal_event*e, void *userdata));
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PA_C_DECL_END
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#endif
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@ -145,7 +145,7 @@ int pa_module_init(struct pa_core *c, struct pa_module*m) {
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goto finish;
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if (!(m->userdata = protocol_new(c, s, m, ma))) {
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pa_socket_server_free(s);
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pa_socket_server_unref(s);
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goto finish;
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}
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@ -154,6 +154,7 @@ void pa_module_done(struct pa_core *c, struct pa_module*m) {
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}
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pa_xfree(u->scache_item);
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pa_xfree(u->sink_name);
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if (u->display)
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XCloseDisplay(u->display);
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@ -22,6 +22,10 @@
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USA.
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***/
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#include "cdecl.h"
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PA_C_DECL_BEGIN
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enum {
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PA_COMMAND_ERROR,
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PA_COMMAND_TIMEOUT, /* pseudo command */
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@ -121,4 +125,6 @@ enum pa_subscription_event_type {
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#define pa_subscription_match_flags(m, t) (!!((m) & (1 << ((t) & PA_SUBSCRIPTION_EVENT_FACILITY_MASK))))
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PA_C_DECL_END
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#endif
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@ -30,6 +30,7 @@
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#include "pdispatch.h"
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#include "native-common.h"
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#include "xmalloc.h"
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#include "llist.h"
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/*#define DEBUG_OPCODES*/
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@ -65,37 +66,30 @@ static const char *command_names[PA_COMMAND_MAX] = {
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struct reply_info {
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struct pa_pdispatch *pdispatch;
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struct reply_info *next, *previous;
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PA_LLIST_FIELDS(struct reply_info);
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void (*callback)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
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void *userdata;
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uint32_t tag;
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struct pa_time_event *time_event;
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int callback_is_running;
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};
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struct pa_pdispatch {
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int ref;
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struct pa_mainloop_api *mainloop;
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const struct pa_pdispatch_command *command_table;
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unsigned n_commands;
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struct reply_info *replies;
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PA_LLIST_HEAD(struct reply_info, replies);
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void (*drain_callback)(struct pa_pdispatch *pd, void *userdata);
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void *drain_userdata;
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int in_use, shall_free;
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};
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static void reply_info_free(struct reply_info *r) {
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assert(r && r->pdispatch && r->pdispatch->mainloop);
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if (r->pdispatch)
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if (r->time_event)
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r->pdispatch->mainloop->time_free(r->time_event);
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if (r->previous)
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r->previous->next = r->next;
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else
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r->pdispatch->replies = r->next;
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if (r->next)
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r->next->previous = r->previous;
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PA_LLIST_REMOVE(struct reply_info, r->pdispatch->replies, r);
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pa_xfree(r);
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}
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@ -107,37 +101,56 @@ struct pa_pdispatch* pa_pdispatch_new(struct pa_mainloop_api *mainloop, const st
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assert((entries && table) || (!entries && !table));
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pd = pa_xmalloc(sizeof(struct pa_pdispatch));
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pd->ref = 1;
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pd->mainloop = mainloop;
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pd->command_table = table;
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pd->n_commands = entries;
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pd->replies = NULL;
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PA_LLIST_HEAD_INIT(struct pa_reply_info, pd->replies);
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pd->drain_callback = NULL;
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pd->drain_userdata = NULL;
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pd->in_use = pd->shall_free = 0;
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return pd;
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}
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void pa_pdispatch_free(struct pa_pdispatch *pd) {
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void pdispatch_free(struct pa_pdispatch *pd) {
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assert(pd);
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if (pd->in_use) {
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pd->shall_free = 1;
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return;
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}
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while (pd->replies)
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reply_info_free(pd->replies);
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pa_xfree(pd);
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}
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static void run_action(struct pa_pdispatch *pd, struct reply_info *r, uint32_t command, struct pa_tagstruct *ts) {
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void (*callback)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
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void *userdata;
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uint32_t tag;
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assert(r);
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pa_pdispatch_ref(pd);
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callback = r->callback;
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userdata = r->userdata;
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tag = r->tag;
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reply_info_free(r);
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callback(pd, command, tag, ts, userdata);
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if (pd->drain_callback && !pa_pdispatch_is_pending(pd))
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pd->drain_callback(pd, pd->drain_userdata);
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pa_pdispatch_unref(pd);
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}
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int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*packet, void *userdata) {
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uint32_t tag, command;
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struct pa_tagstruct *ts = NULL;
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int ret = -1;
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assert(pd && packet && packet->data && !pd->in_use);
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assert(pd && packet && packet->data);
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pa_pdispatch_ref(pd);
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if (packet->length <= 8)
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goto finish;
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@ -159,20 +172,8 @@ int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*packet, void *use
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if (r->tag == tag)
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break;
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if (r) {
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pd->in_use = r->callback_is_running = 1;
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assert(r->callback);
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r->callback(r->pdispatch, command, tag, ts, r->userdata);
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pd->in_use = r->callback_is_running = 0;
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reply_info_free(r);
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if (pd->shall_free)
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pa_pdispatch_free(pd);
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else {
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if (pd->drain_callback && !pa_pdispatch_is_pending(pd))
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pd->drain_callback(pd, pd->drain_userdata);
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}
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}
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if (r)
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run_action(pd, r, command, ts);
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} else if (pd->command_table && command < pd->n_commands) {
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const struct pa_pdispatch_command *c = pd->command_table+command;
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@ -186,33 +187,30 @@ int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*packet, void *use
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finish:
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if (ts)
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pa_tagstruct_free(ts);
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pa_tagstruct_free(ts);
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pa_pdispatch_unref(pd);
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return ret;
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}
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static void timeout_callback(struct pa_mainloop_api*m, struct pa_time_event*e, const struct timeval *tv, void *userdata) {
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struct reply_info*r = userdata;
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assert (r && r->time_event == e && r->pdispatch && r->pdispatch->mainloop == m && r->callback);
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assert(r && r->time_event == e && r->pdispatch && r->pdispatch->mainloop == m && r->callback);
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r->callback(r->pdispatch, PA_COMMAND_TIMEOUT, r->tag, NULL, r->userdata);
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reply_info_free(r);
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if (r->pdispatch->drain_callback && !pa_pdispatch_is_pending(r->pdispatch))
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r->pdispatch->drain_callback(r->pdispatch, r->pdispatch->drain_userdata);
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run_action(r->pdispatch, r, PA_COMMAND_TIMEOUT, NULL);
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}
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void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int timeout, void (*cb)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata), void *userdata) {
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struct reply_info *r;
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struct timeval tv;
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assert(pd && cb);
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assert(pd && pd->ref >= 1 && cb);
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r = pa_xmalloc(sizeof(struct reply_info));
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r->pdispatch = pd;
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r->callback = cb;
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r->userdata = userdata;
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r->tag = tag;
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r->callback_is_running = 0;
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gettimeofday(&tv, NULL);
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tv.tv_sec += timeout;
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@ -220,11 +218,7 @@ void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int time
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r->time_event = pd->mainloop->time_new(pd->mainloop, &tv, timeout_callback, r);
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assert(r->time_event);
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r->previous = NULL;
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r->next = pd->replies;
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if (r->next)
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r->next->previous = r;
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pd->replies = r;
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PA_LLIST_PREPEND(struct reply_info, pd->replies, r);
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}
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int pa_pdispatch_is_pending(struct pa_pdispatch *pd) {
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@ -248,7 +242,20 @@ void pa_pdispatch_unregister_reply(struct pa_pdispatch *pd, void *userdata) {
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for (r = pd->replies; r; r = n) {
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n = r->next;
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if (!r->callback_is_running && r->userdata == userdata) /* when this item's callback is currently running it is destroyed anyway in the very near future */
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if (r->userdata == userdata)
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reply_info_free(r);
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}
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}
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void pa_pdispatch_unref(struct pa_pdispatch *pd) {
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assert(pd && pd->ref >= 1);
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if (!(--(pd->ref)))
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pdispatch_free(pd);
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}
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struct pa_pdispatch* pa_pdispatch_ref(struct pa_pdispatch *pd) {
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assert(pd && pd->ref >= 1);
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pd->ref++;
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return pd;
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}
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@ -29,14 +29,13 @@
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struct pa_pdispatch;
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/* It is safe to destroy the calling pdispatch object from all callbacks */
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struct pa_pdispatch_command {
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void (*proc)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
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};
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struct pa_pdispatch* pa_pdispatch_new(struct pa_mainloop_api *m, const struct pa_pdispatch_command*table, unsigned entries);
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void pa_pdispatch_free(struct pa_pdispatch *pd);
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void pa_pdispatch_unref(struct pa_pdispatch *pd);
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struct pa_pdispatch* pa_pdispatch_ref(struct pa_pdispatch *pd);
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int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*p, void *userdata);
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@ -92,11 +92,13 @@ static void context_free(struct pa_context *c) {
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pa_stream_set_state(c->streams, PA_STREAM_TERMINATED);
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if (c->client)
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pa_socket_client_free(c->client);
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pa_socket_client_unref(c->client);
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if (c->pdispatch)
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pa_pdispatch_free(c->pdispatch);
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if (c->pstream)
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pa_pstream_free(c->pstream);
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pa_pdispatch_unref(c->pdispatch);
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if (c->pstream) {
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pa_pstream_close(c->pstream);
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pa_pstream_unref(c->pstream);
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}
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if (c->record_streams)
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pa_dynarray_free(c->record_streams, NULL, NULL);
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|
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@ -140,15 +142,17 @@ void pa_context_set_state(struct pa_context *c, enum pa_context_state st) {
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}
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if (c->pdispatch)
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pa_pdispatch_free(c->pdispatch);
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pa_pdispatch_unref(c->pdispatch);
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c->pdispatch = NULL;
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if (c->pstream)
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pa_pstream_free(c->pstream);
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if (c->pstream) {
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pa_pstream_close(c->pstream);
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pa_pstream_unref(c->pstream);
|
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}
|
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c->pstream = NULL;
|
||||
|
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if (c->client)
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pa_socket_client_free(c->client);
|
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pa_socket_client_unref(c->client);
|
||||
c->client = NULL;
|
||||
}
|
||||
|
||||
|
|
@ -267,7 +271,7 @@ static void on_connection(struct pa_socket_client *client, struct pa_iochannel*i
|
|||
|
||||
pa_context_ref(c);
|
||||
|
||||
pa_socket_client_free(client);
|
||||
pa_socket_client_unref(client);
|
||||
c->client = NULL;
|
||||
|
||||
if (!io) {
|
||||
|
|
|
|||
|
|
@ -25,11 +25,11 @@
|
|||
#include <inttypes.h>
|
||||
#include "cdecl.h"
|
||||
|
||||
PA_C_DECL_BEGIN;
|
||||
PA_C_DECL_BEGIN
|
||||
|
||||
/** Return a human readable error message for the specified numeric error code */
|
||||
const char* pa_strerror(uint32_t error);
|
||||
|
||||
PA_C_DECL_END;
|
||||
PA_C_DECL_END
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -24,6 +24,7 @@
|
|||
#endif
|
||||
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "polyplib-subscribe.h"
|
||||
#include "polyplib-internal.h"
|
||||
|
|
@ -65,10 +66,15 @@ struct pa_operation* pa_context_subscribe(struct pa_context *c, enum pa_subscrip
|
|||
t = pa_tagstruct_new(NULL, 0);
|
||||
pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE);
|
||||
pa_tagstruct_putu32(t, tag = c->ctag++);
|
||||
pa_tagstruct_putu32(t, cb ? m : 0);
|
||||
pa_tagstruct_putu32(t, m);
|
||||
pa_pstream_send_tagstruct(c->pstream, t);
|
||||
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, o);
|
||||
|
||||
return pa_operation_ref(o);
|
||||
}
|
||||
|
||||
void pa_context_set_subscribe_callback(struct pa_context *c, void (*cb)(struct pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata), void *userdata) {
|
||||
assert(c);
|
||||
c->subscribe_callback = cb;
|
||||
c->subscribe_userdata = userdata;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -80,6 +80,6 @@ void pa_protocol_cli_free(struct pa_protocol_cli *p) {
|
|||
assert(p);
|
||||
|
||||
pa_idxset_free(p->connections, free_connection, NULL);
|
||||
pa_socket_server_free(p->server);
|
||||
pa_socket_server_unref(p->server);
|
||||
pa_xfree(p);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1024,6 +1024,6 @@ void pa_protocol_esound_free(struct pa_protocol_esound *p) {
|
|||
connection_free(c);
|
||||
|
||||
pa_idxset_free(p->connections, NULL, NULL);
|
||||
pa_socket_server_free(p->server);
|
||||
pa_socket_server_unref(p->server);
|
||||
pa_xfree(p);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -306,8 +306,9 @@ static void connection_free(struct connection *c) {
|
|||
upload_stream_free((struct upload_stream*) o);
|
||||
pa_idxset_free(c->output_streams, NULL, NULL);
|
||||
|
||||
pa_pdispatch_free(c->pdispatch);
|
||||
pa_pstream_free(c->pstream);
|
||||
pa_pdispatch_unref(c->pdispatch);
|
||||
pa_pstream_close(c->pstream);
|
||||
pa_pstream_unref(c->pstream);
|
||||
pa_client_free(c->client);
|
||||
|
||||
if (c->subscription)
|
||||
|
|
@ -1330,6 +1331,6 @@ 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_free(p->server);
|
||||
pa_socket_server_unref(p->server);
|
||||
pa_xfree(p);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -426,7 +426,7 @@ void pa_protocol_simple_free(struct pa_protocol_simple *p) {
|
|||
}
|
||||
|
||||
if (p->server)
|
||||
pa_socket_server_free(p->server);
|
||||
pa_socket_server_unref(p->server);
|
||||
pa_xfree(p);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -57,13 +57,13 @@ struct item_info {
|
|||
};
|
||||
|
||||
struct pa_pstream {
|
||||
int ref;
|
||||
|
||||
struct pa_mainloop_api *mainloop;
|
||||
struct pa_defer_event *defer_event;
|
||||
struct pa_iochannel *io;
|
||||
struct pa_queue *send_queue;
|
||||
|
||||
int in_use, shall_free;
|
||||
|
||||
int dead;
|
||||
void (*die_callback) (struct pa_pstream *p, void *userdata);
|
||||
void *die_callback_userdata;
|
||||
|
|
@ -97,40 +97,24 @@ static void do_write(struct pa_pstream *p);
|
|||
static void do_read(struct pa_pstream *p);
|
||||
|
||||
static void do_something(struct pa_pstream *p) {
|
||||
assert(p && !p->shall_free);
|
||||
assert(p);
|
||||
p->mainloop->defer_enable(p->defer_event, 0);
|
||||
|
||||
if (p->dead)
|
||||
return;
|
||||
|
||||
if (pa_iochannel_is_hungup(p->io)) {
|
||||
pa_pstream_ref(p);
|
||||
|
||||
if (!p->dead && pa_iochannel_is_hungup(p->io)) {
|
||||
p->dead = 1;
|
||||
if (p->die_callback)
|
||||
p->die_callback(p, p->die_callback_userdata);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (pa_iochannel_is_writable(p->io)) {
|
||||
p->in_use = 1;
|
||||
if (!p->dead && pa_iochannel_is_writable(p->io))
|
||||
do_write(p);
|
||||
p->in_use = 0;
|
||||
|
||||
if (p->shall_free) {
|
||||
pa_pstream_free(p);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if (pa_iochannel_is_readable(p->io)) {
|
||||
p->in_use = 1;
|
||||
if (!p->dead && pa_iochannel_is_readable(p->io))
|
||||
do_read(p);
|
||||
p->in_use = 0;
|
||||
if (p->shall_free) {
|
||||
pa_pstream_free(p);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
pa_pstream_unref(p);
|
||||
}
|
||||
|
||||
static void io_callback(struct pa_iochannel*io, void *userdata) {
|
||||
|
|
@ -150,7 +134,7 @@ struct pa_pstream *pa_pstream_new(struct pa_mainloop_api *m, struct pa_iochannel
|
|||
assert(io);
|
||||
|
||||
p = pa_xmalloc(sizeof(struct pa_pstream));
|
||||
|
||||
p->ref = 1;
|
||||
p->io = io;
|
||||
pa_iochannel_set_callback(io, io_callback, p);
|
||||
|
||||
|
|
@ -181,8 +165,6 @@ struct pa_pstream *pa_pstream_new(struct pa_mainloop_api *m, struct pa_iochannel
|
|||
p->drain_callback = NULL;
|
||||
p->drain_userdata = NULL;
|
||||
|
||||
p->in_use = p->shall_free = 0;
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
|
|
@ -202,16 +184,11 @@ static void item_free(void *item, void *p) {
|
|||
pa_xfree(i);
|
||||
}
|
||||
|
||||
void pa_pstream_free(struct pa_pstream *p) {
|
||||
static void pstream_free(struct pa_pstream *p) {
|
||||
assert(p);
|
||||
|
||||
if (p->in_use) {
|
||||
/* If this pstream object is used by someone else on the call stack, we have to postpone the freeing */
|
||||
p->dead = p->shall_free = 1;
|
||||
return;
|
||||
}
|
||||
|
||||
pa_iochannel_free(p->io);
|
||||
pa_pstream_close(p);
|
||||
|
||||
pa_queue_free(p->send_queue, item_free, NULL);
|
||||
|
||||
if (p->write.current)
|
||||
|
|
@ -223,7 +200,6 @@ void pa_pstream_free(struct pa_pstream *p) {
|
|||
if (p->read.packet)
|
||||
pa_packet_unref(p->read.packet);
|
||||
|
||||
p->mainloop->defer_free(p->defer_event);
|
||||
pa_xfree(p);
|
||||
}
|
||||
|
||||
|
|
@ -456,3 +432,36 @@ void pa_pstream_set_drain_callback(struct pa_pstream *p, void (*cb)(struct pa_ps
|
|||
p->drain_userdata = userdata;
|
||||
}
|
||||
|
||||
void pa_pstream_unref(struct pa_pstream*p) {
|
||||
assert(p && p->ref >= 1);
|
||||
|
||||
if (!(--(p->ref)))
|
||||
pstream_free(p);
|
||||
}
|
||||
|
||||
struct pa_pstream* pa_pstream_ref(struct pa_pstream*p) {
|
||||
assert(p && p->ref >= 1);
|
||||
p->ref++;
|
||||
return p;
|
||||
}
|
||||
|
||||
void pa_pstream_close(struct pa_pstream *p) {
|
||||
assert(p);
|
||||
|
||||
p->dead = 1;
|
||||
|
||||
if (p->io) {
|
||||
pa_iochannel_free(p->io);
|
||||
p->io = NULL;
|
||||
}
|
||||
|
||||
if (p->defer_event) {
|
||||
p->mainloop->defer_free(p->defer_event);
|
||||
p->defer_event = NULL;
|
||||
}
|
||||
|
||||
p->die_callback = NULL;
|
||||
p->drain_callback = NULL;
|
||||
p->recieve_packet_callback = NULL;
|
||||
p->recieve_memblock_callback = NULL;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -30,12 +30,11 @@
|
|||
#include "mainloop-api.h"
|
||||
#include "memchunk.h"
|
||||
|
||||
/* It is safe to destroy the calling pstream object from all callbacks */
|
||||
|
||||
struct pa_pstream;
|
||||
|
||||
struct pa_pstream* pa_pstream_new(struct pa_mainloop_api *m, struct pa_iochannel *io);
|
||||
void pa_pstream_free(struct pa_pstream*p);
|
||||
void pa_pstream_unref(struct pa_pstream*p);
|
||||
struct pa_pstream* pa_pstream_ref(struct pa_pstream*p);
|
||||
|
||||
void pa_pstream_send_packet(struct pa_pstream*p, struct pa_packet *packet);
|
||||
void pa_pstream_send_memblock(struct pa_pstream*p, uint32_t channel, int32_t delta, const struct pa_memchunk *chunk);
|
||||
|
|
@ -48,4 +47,6 @@ void pa_pstream_set_die_callback(struct pa_pstream *p, void (*callback)(struct p
|
|||
|
||||
int pa_pstream_is_pending(struct pa_pstream *p);
|
||||
|
||||
void pa_pstream_close(struct pa_pstream *p);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -39,6 +39,7 @@
|
|||
#include "xmalloc.h"
|
||||
|
||||
struct pa_socket_client {
|
||||
int ref;
|
||||
struct pa_mainloop_api *mainloop;
|
||||
int fd;
|
||||
struct pa_io_event *io_event;
|
||||
|
|
@ -52,6 +53,7 @@ static struct pa_socket_client*pa_socket_client_new(struct pa_mainloop_api *m) {
|
|||
assert(m);
|
||||
|
||||
c = pa_xmalloc(sizeof(struct pa_socket_client));
|
||||
c->ref = 1;
|
||||
c->mainloop = m;
|
||||
c->fd = -1;
|
||||
c->io_event = NULL;
|
||||
|
|
@ -62,38 +64,40 @@ static struct pa_socket_client*pa_socket_client_new(struct pa_mainloop_api *m) {
|
|||
}
|
||||
|
||||
static void do_call(struct pa_socket_client *c) {
|
||||
struct pa_iochannel *io;
|
||||
struct pa_iochannel *io = NULL;
|
||||
int error, lerror;
|
||||
assert(c && c->callback);
|
||||
|
||||
pa_socket_client_ref(c);
|
||||
|
||||
lerror = sizeof(error);
|
||||
if (getsockopt(c->fd, SOL_SOCKET, SO_ERROR, &error, &lerror) < 0) {
|
||||
fprintf(stderr, "getsockopt(): %s\n", strerror(errno));
|
||||
goto failed;
|
||||
goto finish;
|
||||
}
|
||||
|
||||
if (lerror != sizeof(error)) {
|
||||
fprintf(stderr, "getsocktop() returned invalid size.\n");
|
||||
goto failed;
|
||||
goto finish;
|
||||
}
|
||||
|
||||
if (error != 0) {
|
||||
fprintf(stderr, "connect(): %s\n", strerror(error));
|
||||
goto failed;
|
||||
goto finish;
|
||||
}
|
||||
|
||||
io = pa_iochannel_new(c->mainloop, c->fd, c->fd);
|
||||
assert(io);
|
||||
c->fd = -1;
|
||||
c->callback(c, io, c->userdata);
|
||||
|
||||
return;
|
||||
|
||||
failed:
|
||||
close(c->fd);
|
||||
finish:
|
||||
if (!io)
|
||||
close(c->fd);
|
||||
c->fd = -1;
|
||||
c->callback(c, NULL, c->userdata);
|
||||
return;
|
||||
|
||||
assert(c->callback);
|
||||
c->callback(c, io, c->userdata);
|
||||
|
||||
pa_socket_client_unref(c);
|
||||
}
|
||||
|
||||
static void connect_fixed_cb(struct pa_mainloop_api *m, struct pa_defer_event *e, void *userdata) {
|
||||
|
|
@ -159,7 +163,7 @@ struct pa_socket_client* pa_socket_client_new_ipv4(struct pa_mainloop_api *m, ui
|
|||
return c;
|
||||
|
||||
fail:
|
||||
pa_socket_client_free(c);
|
||||
pa_socket_client_unref(c);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
|
@ -188,7 +192,7 @@ struct pa_socket_client* pa_socket_client_new_unix(struct pa_mainloop_api *m, co
|
|||
return c;
|
||||
|
||||
fail:
|
||||
pa_socket_client_free(c);
|
||||
pa_socket_client_unref(c);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
|
@ -214,12 +218,12 @@ struct pa_socket_client* pa_socket_client_new_sockaddr(struct pa_mainloop_api *m
|
|||
return c;
|
||||
|
||||
fail:
|
||||
pa_socket_client_free(c);
|
||||
pa_socket_client_unref(c);
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
||||
void pa_socket_client_free(struct pa_socket_client *c) {
|
||||
void socket_client_free(struct pa_socket_client *c) {
|
||||
assert(c && c->mainloop);
|
||||
if (c->io_event)
|
||||
c->mainloop->io_free(c->io_event);
|
||||
|
|
@ -230,6 +234,19 @@ void pa_socket_client_free(struct pa_socket_client *c) {
|
|||
pa_xfree(c);
|
||||
}
|
||||
|
||||
void pa_socket_client_unref(struct pa_socket_client *c) {
|
||||
assert(c && c->ref >= 1);
|
||||
|
||||
if (!(--(c->ref)))
|
||||
socket_client_free(c);
|
||||
}
|
||||
|
||||
struct pa_socket_client* pa_socket_client_ref(struct pa_socket_client *c) {
|
||||
assert(c && c->ref >= 1);
|
||||
c->ref++;
|
||||
return c;
|
||||
}
|
||||
|
||||
void pa_socket_client_set_callback(struct pa_socket_client *c, void (*on_connection)(struct pa_socket_client *c, struct pa_iochannel*io, void *userdata), void *userdata) {
|
||||
assert(c);
|
||||
c->callback = on_connection;
|
||||
|
|
|
|||
|
|
@ -36,7 +36,8 @@ struct pa_socket_client* pa_socket_client_new_ipv4(struct pa_mainloop_api *m, ui
|
|||
struct pa_socket_client* pa_socket_client_new_unix(struct pa_mainloop_api *m, const char *filename);
|
||||
struct pa_socket_client* pa_socket_client_new_sockaddr(struct pa_mainloop_api *m, const struct sockaddr *sa, size_t salen);
|
||||
|
||||
void pa_socket_client_free(struct pa_socket_client *c);
|
||||
void pa_socket_client_unref(struct pa_socket_client *c);
|
||||
struct pa_socket_client* pa_socket_client_ref(struct pa_socket_client *c);
|
||||
|
||||
void pa_socket_client_set_callback(struct pa_socket_client *c, void (*on_connection)(struct pa_socket_client *c, struct pa_iochannel*io, void *userdata), void *userdata);
|
||||
|
||||
|
|
|
|||
|
|
@ -40,6 +40,7 @@
|
|||
#include "xmalloc.h"
|
||||
|
||||
struct pa_socket_server {
|
||||
int ref;
|
||||
int fd;
|
||||
char *filename;
|
||||
|
||||
|
|
@ -57,14 +58,16 @@ static void callback(struct pa_mainloop_api *mainloop, struct pa_io_event *e, in
|
|||
int nfd;
|
||||
assert(s && s->mainloop == mainloop && s->io_event == e && e && fd >= 0 && fd == s->fd);
|
||||
|
||||
pa_socket_server_ref(s);
|
||||
|
||||
if ((nfd = accept(fd, NULL, NULL)) < 0) {
|
||||
fprintf(stderr, "accept(): %s\n", strerror(errno));
|
||||
return;
|
||||
goto finish;
|
||||
}
|
||||
|
||||
if (!s->on_connection) {
|
||||
close(nfd);
|
||||
return;
|
||||
goto finish;
|
||||
}
|
||||
|
||||
/* There should be a check for socket type here */
|
||||
|
|
@ -76,6 +79,9 @@ static void callback(struct pa_mainloop_api *mainloop, struct pa_io_event *e, in
|
|||
io = pa_iochannel_new(s->mainloop, nfd, nfd);
|
||||
assert(io);
|
||||
s->on_connection(s, io, s->userdata);
|
||||
|
||||
finish:
|
||||
pa_socket_server_unref(s);
|
||||
}
|
||||
|
||||
struct pa_socket_server* pa_socket_server_new(struct pa_mainloop_api *m, int fd) {
|
||||
|
|
@ -83,6 +89,7 @@ struct pa_socket_server* pa_socket_server_new(struct pa_mainloop_api *m, int fd)
|
|||
assert(m && fd >= 0);
|
||||
|
||||
s = pa_xmalloc(sizeof(struct pa_socket_server));
|
||||
s->ref = 1;
|
||||
s->fd = fd;
|
||||
s->filename = NULL;
|
||||
s->on_connection = NULL;
|
||||
|
|
@ -97,6 +104,12 @@ struct pa_socket_server* pa_socket_server_new(struct pa_mainloop_api *m, int fd)
|
|||
return s;
|
||||
}
|
||||
|
||||
struct pa_socket_server* pa_socket_server_ref(struct pa_socket_server *s) {
|
||||
assert(s && s->ref >= 1);
|
||||
s->ref++;
|
||||
return s;
|
||||
}
|
||||
|
||||
struct pa_socket_server* pa_socket_server_new_unix(struct pa_mainloop_api *m, const char *filename) {
|
||||
int fd = -1;
|
||||
struct sockaddr_un sa;
|
||||
|
|
@ -184,7 +197,7 @@ fail:
|
|||
return NULL;
|
||||
}
|
||||
|
||||
void pa_socket_server_free(struct pa_socket_server*s) {
|
||||
static void socket_server_free(struct pa_socket_server*s) {
|
||||
assert(s);
|
||||
close(s->fd);
|
||||
|
||||
|
|
@ -197,8 +210,15 @@ void pa_socket_server_free(struct pa_socket_server*s) {
|
|||
pa_xfree(s);
|
||||
}
|
||||
|
||||
void pa_socket_server_unref(struct pa_socket_server *s) {
|
||||
assert(s && s->ref >= 1);
|
||||
|
||||
if (!(--(s->ref)))
|
||||
socket_server_free(s);
|
||||
}
|
||||
|
||||
void pa_socket_server_set_callback(struct pa_socket_server*s, void (*on_connection)(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata), void *userdata) {
|
||||
assert(s);
|
||||
assert(s && s->ref >= 1);
|
||||
|
||||
s->on_connection = on_connection;
|
||||
s->userdata = userdata;
|
||||
|
|
|
|||
|
|
@ -34,7 +34,8 @@ struct pa_socket_server* pa_socket_server_new(struct pa_mainloop_api *m, int fd)
|
|||
struct pa_socket_server* pa_socket_server_new_unix(struct pa_mainloop_api *m, const char *filename);
|
||||
struct pa_socket_server* pa_socket_server_new_ipv4(struct pa_mainloop_api *m, uint32_t address, uint16_t port);
|
||||
|
||||
void pa_socket_server_free(struct pa_socket_server*s);
|
||||
void pa_socket_server_unref(struct pa_socket_server*s);
|
||||
struct pa_socket_server* pa_socket_server_ref(struct pa_socket_server *s);
|
||||
|
||||
void pa_socket_server_set_callback(struct pa_socket_server*s, void (*on_connection)(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata), void *userdata);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue