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Refactor all linked lists to use pulsecore/llist.h

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This commit is contained in:
João Paulo Rechi Vita 2008-07-23 11:12:57 -03:00 • committed by Lennart Poettering
parent d893a1ff53
commit 1e03c323ca
1 changed files with 74 additions and 81 deletions
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155
src/modules/module-bt-discover.c
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@ -29,6 +29,7 @@
#include <pulsecore/module.h>
#include <pulsecore/modargs.h>
#include <pulsecore/macro.h>
#include <pulsecore/llist.h>
#include "dbus-util.h"
#include "module-bt-discover-symdef.h"
@ -43,95 +44,100 @@ PA_MODULE_USAGE("");
#define A2DP_SOURCE_UUID "0000110A-0000-1000-8000-00805F9B34FB"
#define A2DP_SINK_UUID "0000110B-0000-1000-8000-00805F9B34FB"
typedef struct adapter adapter_t;
typedef struct device device_t;
typedef struct uuid uuid_t;
struct uuid {
char *uuid;
uuid_t *next;
PA_LLIST_FIELDS(struct uuid);
};
struct device {
char *name;
char *object_path;
int paired;
adapter_t *adapter;
struct adapter *adapter;
char *alias;
int connected;
uuid_t *uuid_list;
PA_LLIST_HEAD(struct uuid, uuid_list);
char *address;
int class;
int trusted;
device_t *next;
PA_LLIST_FIELDS(struct device);
};
struct adapter {
char *object_path;
char *mode;
char *address;
device_t *device_list;
adapter_t *next;
PA_LLIST_HEAD(struct device, device_list);
PA_LLIST_FIELDS(struct adapter);
};
struct userdata {
pa_module *module;
pa_dbus_connection *conn;
adapter_t *adapter_list;
PA_LLIST_HEAD(struct adapter, adapter_list);
};
static uuid_t *uuid_new(const char *uuid) {
uuid_t *node = pa_xnew0(uuid_t, 1);
static struct uuid *uuid_new(const char *uuid) {
struct uuid *node = pa_xnew(struct uuid, 1);
node->uuid = pa_xstrdup(uuid);
node->next = NULL;
PA_LLIST_INIT(struct uuid, node);
return node;
}
static void uuid_list_append(uuid_t *node, const char *uuid) {
while (node->next != NULL) node = node->next;
node->next = uuid_new(uuid);
static void uuid_free(struct uuid *uuid) {
pa_xfree(uuid);
}
static device_t *device_new(const char *device, adapter_t *adapter) {
device_t *node = pa_xnew0(device_t, 1);
static struct device *device_new(const char *device, struct adapter *adapter) {
struct device *node = pa_xnew(struct device, 1);
node->name = NULL;
node->object_path = pa_xstrdup(device);
node->paired = -1;
node->adapter = adapter;
node->alias = NULL;
node->connected = -1;
node->uuid_list = uuid_new("UUID_HEAD");
PA_LLIST_HEAD_INIT(struct uuid, node->uuid_list);
node->address = NULL;
node->class = -1;
node->trusted = -1;
node->next = NULL;
PA_LLIST_INIT(struct device, node);
return node;
}
static void device_list_append(device_t *node, const char *device, adapter_t *adapter) {
while (node->next != NULL) node = node->next;
node->next = device_new(device, adapter);
static void device_free(struct device *device) {
struct uuid *uuid_list_i;
while (device->uuid_list) {
uuid_list_i = device->uuid_list;
PA_LLIST_REMOVE(struct uuid, device->uuid_list, uuid_list_i);
uuid_free(uuid_list_i);
}
pa_xfree(device);
}
static adapter_t *adapter_new(const char *adapter) {
adapter_t *node = pa_xnew0(adapter_t, 1);
static struct adapter *adapter_new(const char *adapter) {
struct adapter *node = pa_xnew(struct adapter, 1);
node->object_path = pa_xstrdup(adapter);
node->mode = NULL;
node->address = NULL;
node->device_list = device_new("/DEVICE_HEAD", NULL);
node->next = NULL;
PA_LLIST_HEAD_INIT(struct device, node->device_list);
PA_LLIST_INIT(struct adapter, node);
return node;
}
static void adapter_list_append(adapter_t *node, const char *adapter) {
while (node->next != NULL) node = node->next;
node->next = adapter_new(adapter);
static void adapter_free(struct adapter *adapter) {
struct device *device_list_i;
while (adapter->device_list) {
device_list_i = adapter->device_list;
PA_LLIST_REMOVE(struct device, adapter->device_list, device_list_i);
device_free(device_list_i);
}
pa_xfree(adapter);
}
static void print_devices(device_t *device_list) {
device_t *device_list_i = device_list;
static void print_devices(struct device *device_list) {
struct device *device_list_i = device_list;
while (device_list_i != NULL) {
uuid_t *uuid_list_i = device_list_i->uuid_list;
struct uuid *uuid_list_i = device_list_i->uuid_list;
if (strcmp(device_list_i->object_path, "/DEVICE_HEAD") != 0) {
pa_log(" [ %s ]", device_list_i->object_path);
pa_log(" Name = %s", device_list_i->name);
@ -153,8 +159,8 @@ static void print_devices(device_t *device_list) {
}
}
static void print_adapters(adapter_t *adapter_list) {
adapter_t *adapter_list_i = adapter_list;
static void print_adapters(struct adapter *adapter_list) {
struct adapter *adapter_list_i = adapter_list;
while (adapter_list_i != NULL) {
if (strcmp(adapter_list_i->object_path, "/ADAPTER_HEAD") != 0) {
pa_log("[ %s ]", adapter_list_i->object_path);
@ -170,7 +176,7 @@ static void detect_adapters(struct userdata *u) {
DBusError e;
DBusMessage *m = NULL, *r = NULL;
DBusMessageIter arg_i, element_i, dict_i, variant_i;
adapter_t *adapter_list_i;
struct adapter *adapter_list_i;
const char *key, *value;
pa_assert(u);
@ -192,18 +198,18 @@ static void detect_adapters(struct userdata *u) {
goto fail;
}
dbus_message_iter_recurse(&arg_i, &element_i);
/* TODO: Review error checking
* should this be changed to while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_OBJECT_PATH) ? */
while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_OBJECT_PATH) {
struct adapter *node;
dbus_message_iter_get_basic(&element_i, &value);
adapter_list_append(u->adapter_list, value);
node = adapter_new(value);
PA_LLIST_PREPEND(struct adapter, u->adapter_list, node);
}
dbus_message_iter_next(&element_i);
}
/* get adapter properties */
adapter_list_i = u->adapter_list->next;
adapter_list_i = u->adapter_list;
while (adapter_list_i != NULL) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", adapter_list_i->object_path, "org.bluez.Adapter", "GetProperties"));
r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
@ -249,8 +255,8 @@ static void detect_devices(struct userdata *u) {
DBusError e;
DBusMessage *m = NULL, *r = NULL;
DBusMessageIter arg_i, element_i, dict_i, variant_i;
adapter_t *adapter_list_i;
device_t *device_list_i, *device_list_prev_i;
struct adapter *adapter_list_i;
struct device *device_list_i;
const char *key, *value;
unsigned int uvalue;
@ -258,7 +264,7 @@ static void detect_devices(struct userdata *u) {
dbus_error_init(&e);
/* get devices of each adapter */
adapter_list_i = u->adapter_list->next;
adapter_list_i = u->adapter_list;
while (adapter_list_i != NULL) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", adapter_list_i->object_path, "org.bluez.Adapter", "ListDevices"));
r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
@ -275,12 +281,12 @@ static void detect_devices(struct userdata *u) {
goto fail;
}
dbus_message_iter_recurse(&arg_i, &element_i);
/* TODO: Review error checking
* should this be changed to while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_OBJECT_PATH) ? */
while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_OBJECT_PATH) {
struct device *node;
dbus_message_iter_get_basic(&element_i, &value);
device_list_append(adapter_list_i->device_list, value, adapter_list_i);
node = device_new(value, adapter_list_i);
PA_LLIST_PREPEND(struct device, adapter_list_i->device_list, node);
}
dbus_message_iter_next(&element_i);
}
@ -288,10 +294,9 @@ static void detect_devices(struct userdata *u) {
}
/* get device properties */
adapter_list_i = u->adapter_list->next;
adapter_list_i = u->adapter_list;
while (adapter_list_i != NULL) {
device_list_prev_i = adapter_list_i->device_list;
device_list_i = adapter_list_i->device_list->next;
device_list_i = adapter_list_i->device_list;
while (device_list_i != NULL) {
pa_assert_se(m = dbus_message_new_method_call("org.bluez", device_list_i->object_path, "org.bluez.Device", "GetProperties"));
r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
@ -335,16 +340,18 @@ static void detect_devices(struct userdata *u) {
pa_bool_t is_audio_device = FALSE;
dbus_message_iter_recurse(&variant_i, &uuid_i);
while (dbus_message_iter_get_arg_type(&uuid_i) != DBUS_TYPE_INVALID) {
struct uuid *node;
dbus_message_iter_get_basic(&uuid_i, &value);
node = uuid_new(value);
PA_LLIST_PREPEND(struct uuid, device_list_i->uuid_list, node);
if ( (strcasecmp(value, HSP_HS_UUID) == 0) || (strcasecmp(value, HFP_HS_UUID) == 0) ||
(strcasecmp(value, A2DP_SOURCE_UUID) == 0) || (strcasecmp(value, A2DP_SINK_UUID) == 0) )
is_audio_device = TRUE;
uuid_list_append(device_list_i->uuid_list, value);
dbus_message_iter_next(&uuid_i);
}
if (!is_audio_device) {
/* remove current device */
device_list_prev_i->next = device_list_i->next;
/* remove the current device from the list */
PA_LLIST_REMOVE(struct device, adapter_list_i->device_list, device_list_i);
pa_xfree(device_list_i);
break;
}
@ -364,11 +371,7 @@ static void detect_devices(struct userdata *u) {
}
dbus_message_iter_next(&element_i);
}
device_list_prev_i = device_list_prev_i->next;
if (device_list_prev_i == NULL)
device_list_i = NULL;
else
device_list_i = device_list_prev_i->next;
device_list_i = device_list_i->next;
}
adapter_list_i = adapter_list_i->next;
}
@ -445,27 +448,17 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *msg, void *
void pa__done(pa_module* m) {
struct userdata *u;
adapter_t *adapter_list_i, *adapter_list_next_i;
device_t *device_list_i, *device_list_next_i;
struct adapter *adapter_list_i;
pa_assert(m);
if (!(u = m->userdata))
return;
if ((adapter_list_i = u->adapter_list) != NULL) {
while ((adapter_list_next_i = adapter_list_i->next) != NULL) {
if ((device_list_i = adapter_list_i->device_list) != NULL) {
while ((device_list_next_i = device_list_i->next) != NULL) {
pa_xfree(device_list_i);
device_list_i = device_list_next_i;
}
pa_xfree(device_list_i);
}
pa_xfree(adapter_list_i);
adapter_list_i = adapter_list_next_i;
}
pa_xfree(adapter_list_i);
while (u->adapter_list) {
adapter_list_i = u->adapter_list;
PA_LLIST_REMOVE(struct adapter, u->adapter_list, adapter_list_i);
adapter_free(adapter_list_i);
}
pa_dbus_connection_unref(u->conn);
@ -477,15 +470,16 @@ void pa__done(pa_module* m) {
int pa__init(pa_module* m) {
pa_modargs *ma = NULL;
DBusError err;
adapter_t *adapter_list_i;
device_t *device_list_i;
struct adapter *adapter_list_i;
struct device *device_list_i;
struct userdata *u;
pa_assert(m);
dbus_error_init(&err);
pa_log("Loading module-bt-discover");
dbus_error_init(&err);
m->userdata = u = pa_xnew0(struct userdata, 1);
u->module = m;
PA_LLIST_HEAD_INIT(struct adapter, u->adapter_list);
/* connect to the bus */
u->conn = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &err);
@ -495,19 +489,18 @@ int pa__init(pa_module* m) {
}
/* static detection of bluetooth audio devices */
u->adapter_list = adapter_new("/ADAPTER_HEAD");
detect_adapters(u);
detect_devices(u);
print_adapters(u->adapter_list);
/* load device modules */
adapter_list_i = u->adapter_list->next;
adapter_list_i = u->adapter_list;
while (adapter_list_i != NULL) {
device_list_i = adapter_list_i->device_list->next;
device_list_i = adapter_list_i->device_list;
while (device_list_i != NULL) {
pa_log("Loading module-bt-device for %s", device_list_i->name); /* CHECK: Should it be name or alias? */
/* call module */
pa_log("Loading module-bt-device for %s", device_list_i->name);
/* TODO: call module */
device_list_i = device_list_i->next;
}
adapter_list_i = adapter_list_i->next;