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ladish/lash_compat/liblash/lash.c

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/*
* LASH
*
* Copyright (C) 2008 Juuso Alasuutari <juuso.alasuutari@gmail.com>
* Copyright (C) 2002, 2003 Robert Ham <rah@bash.sh>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <netdb.h>
#include <dbus/dbus.h>
#include <errno.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <sys/param.h>
#include <rpc/xdr.h>
#include "../../common/safety.h"
#include "../../common/debug.h"
#include "lash/lash.h"
#include "../../dbus/service.h"
#include "dbus_service.h"
#include "client.h"
#include "lash_config.h"
#include "dbus_iface_client.h"
#if 0
static void
ping_handler(DBusPendingCall *pending,
void *data)
{
DBusMessage *msg = dbus_pending_call_steal_reply(pending);
if (msg)
dbus_message_unref(msg);
dbus_pending_call_unref(pending);
fprintf(stderr, "Server replied: Pong!\n");
}
#endif
static lash_client_t *
lash_client_new_with_service(void)
{
lash_client_t *client = lash_client_new();
if (!client) {
lash_error("Failed to allocate memory for client");
return NULL;
}
/* Connect to the D-Bus daemon */
client->dbus_service = lash_dbus_service_new(client);
if (!client->dbus_service) {
lash_error("Failed to start client D-Bus service");
lash_client_destroy(client);
client = NULL;
}
return client;
}
/* The client's signal handler function for signals
originating from DBUS_NAME_BASE.Server */
static void
lash_server_signal_handler(lash_client_t *client,
const char *member,
DBusMessage *message)
{
const char *project_name;
dbus_uint64_t task_id;
DBusError err;
dbus_error_init(&err);
if (strcmp(member, "Save") == 0) {
if (!dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &project_name,
DBUS_TYPE_UINT64, &task_id,
DBUS_TYPE_INVALID)) {
lash_error("Cannot get signal arguments: %s", err.message);
dbus_error_free(&err);
return;
}
//lash_info("Save signal for project '%s' received.", project_name);
/* Silently return if this signal doesn't concern our project */
if (!client->project_name
|| strcmp(client->project_name, project_name) != 0)
return;
if (!client->pending_task) {
if ((client->flags & LASH_Config_Data_Set))
lash_new_save_data_set_task(client, task_id);
else if ((client->flags & LASH_Config_File))
lash_new_save_task(client, task_id);
} else {
lash_error("Task %llu is unfinished",
client->pending_task);
}
//lash_info("Save signal for project '%s' processed.", project_name); fflush(stdout);
} else if (strcmp(member, "Quit") == 0) {
if (!dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &project_name,
DBUS_TYPE_INVALID)) {
lash_error("Cannot get signal arguments: %s", err.message);
dbus_error_free(&err);
return;
}
/* Silently return if this signal doesn't concern our project */
if (client->project_name
&& strcmp(client->project_name, project_name) != 0)
return;
lash_new_quit_task(client);
} else {
lash_error("Received unknown signal '%s'", member);
}
}
static void
lash_project_name_changed_handler(lash_client_t *client,
DBusMessage *message)
{
const char *old_name, *new_name;
DBusError err;
dbus_error_init(&err);
if (!dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &old_name,
DBUS_TYPE_STRING, &new_name,
DBUS_TYPE_INVALID)) {
lash_error("Cannot get signal arguments: %s", err.message);
dbus_error_free(&err);
return;
}
if (client->project_name) {
if (strcmp(client->project_name, old_name) != 0)
return;
} else if (old_name[0])
return;
if (!new_name[0])
new_name = NULL;
lash_strset(&client->project_name, new_name);
/* Call client's ProjectChanged callback */
if (client->cb.proj)
client->cb.proj(client->ctx.proj);
}
static void
lash_control_signal_handler(lash_client_t *client,
const char *member,
DBusMessage *message)
{
if (!client->cb.control) {
lash_error("Controller callback function is not set");
return;
}
uint8_t sig_id;
enum LASH_Event_Type type;
dbus_bool_t ret;
DBusError err;
const char *str1, *str2;
unsigned char byte_var[2];
uuid_t id;
if (strcmp(member, "ProjectDisappeared") == 0) {
sig_id = 1;
type = LASH_Project_Remove;
} else if (strcmp(member, "ProjectAppeared") == 0) {
sig_id = 2;
type = LASH_Project_Add;
} else if (strcmp(member, "ProjectNameChanged") == 0) {
sig_id = 3;
type = LASH_Project_Name;
} else if (strcmp(member, "ProjectPathChanged") == 0) {
sig_id = 4;
type = LASH_Project_Dir;
} else if (strcmp(member, "ClientAppeared") == 0) {
sig_id = 5;
type = LASH_Client_Add;
} else if (strcmp(member, "ClientDisappeared") == 0) {
sig_id = 6;
type = LASH_Client_Remove;
} else if (strcmp(member, "ClientNameChanged") == 0) {
sig_id = 7;
type = LASH_Client_Name;
} else if (strcmp(member, "ClientJackNameChanged") == 0) {
sig_id = 8;
type = LASH_Jack_Client_Name;
} else if (strcmp(member, "Progress") == 0) {
sig_id = 10;
type = LASH_Percentage;
} else {
lash_error("Received unknown signal '%s'", member);
return;
}
dbus_error_init(&err);
if (sig_id == 1) {
ret = dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &str1,
DBUS_TYPE_INVALID);
str2 = "";
} else if (sig_id < 9) {
ret = dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &str1,
DBUS_TYPE_STRING, &str2,
DBUS_TYPE_INVALID);
} else if (sig_id == 9) {
ret = dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &str1,
DBUS_TYPE_BYTE, &byte_var[0],
DBUS_TYPE_INVALID);
byte_var[1] = '\0';
str2 = (const char *) byte_var;
} else {
ret = dbus_message_get_args(message, &err,
DBUS_TYPE_BYTE, &byte_var[0],
DBUS_TYPE_INVALID);
byte_var[1] = '\0';
str1 = (const char *) byte_var;
str2 = "";
}
if (!ret) {
lash_error("Cannot get signal arguments: %s", err.message);
dbus_error_free(&err);
return;
}
if (sig_id < 5 || sig_id > 9)
uuid_clear(id);
else if (uuid_parse(str1, id) == 0) {
str1 = str2;
} else {
lash_error("Cannot parse client id");
return;
}
/* Call the control callback */
client->cb.control(type, str1, str2, id, client->ctx.control);
}
static DBusHandlerResult
lash_dbus_signal_handler(DBusConnection *connection,
DBusMessage *message,
void *data)
{
/* Let non-signal messages fall through */
if (dbus_message_get_type(message) != DBUS_MESSAGE_TYPE_SIGNAL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
lash_client_t *client = data;
const char *member, *interface;
member = dbus_message_get_member(message);
if (!member) {
lash_error("Received signal with NULL member");
return DBUS_HANDLER_RESULT_HANDLED;
}
interface = dbus_message_get_interface(message);
if (!interface) {
lash_error("Received signal with NULL interface");
return DBUS_HANDLER_RESULT_HANDLED;
}
if (strcmp(interface, DBUS_NAME_BASE ".Server") == 0) {
lash_debug("Received Server signal '%s'", member);
lash_server_signal_handler(client, member, message);
} else if (strcmp(interface, DBUS_NAME_BASE ".Control") == 0) {
lash_debug("Received Control signal '%s'", member);
/* This arrangement is OK only so far as a normal client
doesn't intercept more than one signal, ProjectNameChanged */
if (client->is_controller != 1) {
lash_project_name_changed_handler(client, message);
if (client->is_controller) {
lash_control_signal_handler(client, member, message);
}
} else {
lash_control_signal_handler(client, member, message);
}
} else if (strcmp(interface, "org.freedesktop.DBus") != 0) {
lash_error("Received signal from unknown interface '%s'",
interface);
}
return DBUS_HANDLER_RESULT_HANDLED;
}
static bool
lash_client_register_as_controller(lash_client_t *client)
{
DBusError err;
dbus_error_init(&err);
lash_debug("Registering client as control application");
/* Listen to the LASH server's frontend-facing beacon */
dbus_bus_add_match(client->dbus_service->connection,
"type='signal'"
",sender='" DBUS_NAME_BASE "'"
",path='/'"
",interface='" DBUS_NAME_BASE ".Control'",
&err);
if (dbus_error_is_set(&err)) {
lash_error("Failed to add D-Bus match rule: "
"%s", err.message);
dbus_error_free(&err);
return false;
}
return true;
}
static void
lash_client_add_filter(lash_client_t **client)
{
if (!dbus_connection_add_filter((*client)->dbus_service->connection,
lash_dbus_signal_handler,
*client, NULL)) {
lash_error("Failed to add D-Bus filter");
lash_client_destroy(*client);
*client = NULL;
}
}
lash_client_t *
lash_client_open(const char *class,
int flags,
int argc,
char **argv)
{
lash_client_t *client = NULL;
if (class == NULL)
{
lash_error("Invalid arguments to lash_client_open() - class is NULL");
goto end;
}
/* seq24 usually supplies no class name and we should be able to handle this situation anyway,
to support liblash-less clients */
#if 0
if (class[0] == '\0')
{
lash_error("Invalid arguments to lash_client_open() - class is empty string");
goto end;
}
#endif
if (!argc || !argv || !argv[0] || !argv[0][0])
{
lash_error("Invalid arguments to lash_client_open()");
goto end;
}
char *str, wd[MAXPATHLEN];
DBusError err;
client = lash_client_new_with_service();
if (!client) {
lash_error("Failed to create new client");
goto end;
}
/* Set the client parameters */
if (!(str = getcwd(wd, MAXPATHLEN))) {
lash_error("Cannot get working directory: %s",
strerror(errno));
wd[0] = '\0';
if ((str = getenv("PWD")) || (str = getenv("HOME"))) {
if (strlen(str) < MAXPATHLEN)
strcpy(wd, str);
}
}
client->argc = argc;
client->argv = argv;
client->working_dir = lash_strdup(wd);
client->flags = flags;
lash_strset(&client->class, class);
dbus_error_init(&err);
/* Check whether the server is active */
if (!dbus_bus_name_has_owner(client->dbus_service->connection,
// TODO: Move service name into public header
DBUS_NAME_BASE, &err)) {
if (dbus_error_is_set(&err)) {
lash_error("Failed to query LASH service "
"availability: %s", err.message);
dbus_error_free(&err);
dbus_error_init(&err);
}
if (!getenv("LASH_NO_START_SERVER"))
lash_info("Attempting to auto-start LASH server");
else {
lash_info("Not attempting to auto-start LASH server");
goto fail;
}
}
lash_dbus_service_connect(client);
if (client->flags & LASH_Server_Interface) {
lash_client_register_as_controller(client);
client->flags ^= LASH_Server_Interface;
client->is_controller = 2;
}
/* Listen to the LASH server's client-facing beacon */
dbus_bus_add_match(client->dbus_service->connection,
"type='signal'"
",sender='" DBUS_NAME_BASE "'"
",path='/'"
",interface='" DBUS_NAME_BASE ".Server'",
&err);
if (!dbus_error_is_set(&err)) {
dbus_bus_add_match(client->dbus_service->connection,
"type='signal'"
",sender='" DBUS_NAME_BASE "'"
",path='/'"
",interface='" DBUS_NAME_BASE ".Control'"
",member='ProjectNameChanged'",
&err);
}
if (dbus_error_is_set(&err)) {
lash_error("Failed to add D-Bus match rule: %s", err.message);
goto fail;
}
lash_client_add_filter(&client);
goto end;
fail:
dbus_error_free(&err);
lash_client_destroy(client);
client = NULL;
end:
return client;
}
lash_client_t *
lash_client_open_controller(void)
{
lash_client_t *client;
client = lash_client_new_with_service();
if (!client) {
lash_error("Failed to create new client");
return NULL;
}
if (!lash_client_register_as_controller(client)) {
lash_client_destroy(client);
return NULL;
}
client->is_controller = 1;
lash_client_add_filter(&client);
return client;
}
// TODO: Move lash_set_*_callback() args checking to a common function
bool
lash_set_control_callback(lash_client_t *client,
LashControlCallback callback,
void *user_data)
{
if (!client) {
lash_error("Client pointer is NULL");
return false;
} else if (!callback) {
lash_error("Callback function is NULL");
return false;
}
client->cb.control = callback;
client->ctx.control = user_data;
return true;
}
bool
lash_set_save_callback(lash_client_t *client,
LashEventCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.save = callback;
client->ctx.save = user_data;
return true;
}
bool
lash_set_load_callback(lash_client_t *client,
LashEventCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.load = callback;
client->ctx.load = user_data;
return true;
}
bool
lash_set_save_data_set_callback(lash_client_t *client,
LashConfigCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.save_data_set = callback;
client->ctx.save_data_set = user_data;
return true;
}
bool
lash_set_load_data_set_callback(lash_client_t *client,
LashConfigCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.load_data_set = callback;
client->ctx.load_data_set = user_data;
return true;
}
bool
lash_set_quit_callback(lash_client_t *client,
LashEventCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.quit = callback;
client->ctx.quit = user_data;
return true;
}
bool
lash_set_name_change_callback(lash_client_t *client,
LashEventCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.name = callback;
client->ctx.name = user_data;
return true;
}
bool
lash_set_project_change_callback(lash_client_t *client,
LashEventCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.proj = callback;
client->ctx.proj = user_data;
return true;
}
bool
lash_set_path_change_callback(lash_client_t *client,
LashEventCallback callback,
void *user_data)
{
if (!client || !callback) {
lash_error("Invalid arguments");
return false;
} else if (!client->server_connected) {
lash_error("Not connected to server");
return false;
}
client->cb.path = callback;
client->ctx.path = user_data;
return true;
}
void
lash_wait(lash_client_t *client)
{
if (client && client->dbus_service)
(void) dbus_connection_read_write(client->dbus_service->connection, -1);
}
void
lash_dispatch(lash_client_t *client)
{
if (!client || !client->dbus_service)
return;
do
{
dbus_connection_read_write_dispatch(client->dbus_service->connection, 0);
}
while (dbus_connection_get_dispatch_status(client->dbus_service->connection) == DBUS_DISPATCH_DATA_REMAINS);
}
bool
lash_dispatch_once(lash_client_t *client)
{
return
(client && client->dbus_service
&& dbus_connection_read_write_dispatch(client->dbus_service->connection, 0)
&& dbus_connection_get_dispatch_status(client->dbus_service->connection)
== DBUS_DISPATCH_DATA_REMAINS)
? true : false;
}
void
lash_notify_progress(lash_client_t *client,
uint8_t percentage)
{
if (!client || !client->dbus_service
|| !client->pending_task || !percentage)
return;
if (percentage > 99)
percentage = 99;
method_call_new_valist(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Server",
"Progress",
DBUS_TYPE_UINT64, &client->pending_task,
DBUS_TYPE_BYTE, &percentage,
DBUS_TYPE_INVALID);
}
const char *
lash_get_client_name(lash_client_t *client)
{
return (const char *) ((client && client->dbus_service)
? client->name : NULL);
}
const char *
lash_get_project_name(lash_client_t *client)
{
return (const char *) ((client && client->dbus_service)
? client->project_name : NULL);
}
bool
lash_client_is_being_restored(lash_client_t *client)
{
return (client && (client->flags & LASH_Restored));
}
void
lash_jack_client_name(lash_client_t *client,
const char *name)
{
if (!client || !name || !name[0]) {
lash_error("Invalid arguments");
return;
}
// TODO: Find some generic place for this
if (!client->dbus_service) {
lash_error("D-Bus service not running");
return;
}
method_call_new_single(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Server",
"JackName",
DBUS_TYPE_STRING, &name);
lash_debug("Sent JACK name");
}
void
lash_alsa_client_id(lash_client_t *client,
unsigned char id)
{
return; /* deprecated */
}
// TODO: Convert to ProjectOpen
void
lash_control_load_project_path(lash_client_t *client,
const char *project_path)
{
if (!client || !project_path) {
lash_error("Invalid arguments");
return;
}
// TODO: Find some generic place for this
if (!client->dbus_service) {
lash_error("D-Bus service not running");
return;
}
method_call_new_single(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Control",
"LoadProjectPath",
DBUS_TYPE_STRING, &project_path);
lash_debug("Sent LoadProjectPath request");
}
void
lash_control_name_project(lash_client_t *client,
const char *project_name,
const char *new_name)
{
if (!client || !project_name || !new_name) {
lash_error("Invalid arguments");
return;
}
// TODO: Find some generic place for this
if (!client->dbus_service) {
lash_error("D-Bus service not running");
return;
}
method_call_new_valist(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Control",
"ProjectRename",
DBUS_TYPE_STRING, &project_name,
DBUS_TYPE_STRING, &new_name,
DBUS_TYPE_INVALID);
lash_debug("Sent ProjectRename request");
}
void
lash_control_move_project(lash_client_t *client,
const char *project_name,
const char *new_path)
{
if (!client || !project_name || !new_path) {
lash_error("Invalid arguments");
return;
}
// TODO: Find some generic place for this
if (!client->dbus_service) {
lash_error("D-Bus service not running");
return;
}
method_call_new_valist(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Control",
"ProjectMove",
DBUS_TYPE_STRING, &project_name,
DBUS_TYPE_STRING, &new_path,
DBUS_TYPE_INVALID);
lash_debug("Sent ProjectMove request");
}
void
lash_control_save_project(lash_client_t *client,
const char *project_name)
{
if (!client || !project_name) {
lash_error("Invalid arguments");
return;
}
// TODO: Find some generic place for this
if (!client->dbus_service) {
lash_error("D-Bus service not running");
return;
}
method_call_new_single(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Control",
"ProjectSave",
DBUS_TYPE_STRING, &project_name);
lash_debug("Sent ProjectSave request");
}
void
lash_control_close_project(lash_client_t *client,
const char *project_name)
{
if (!client || !project_name) {
lash_error("Invalid arguments");
return;
}
// TODO: Find some generic place for this
if (!client->dbus_service) {
lash_error("D-Bus service not running");
return;
}
method_call_new_single(client->dbus_service, NULL,
method_default_handler, false,
DBUS_NAME_BASE,
"/",
DBUS_NAME_BASE ".Control",
"ProjectClose",
DBUS_TYPE_STRING, &project_name);
lash_debug("Sent ProjectClose request");
}
#ifdef LASH_OLD_API
# include "args.h"
# include "event.h"
lash_args_t *
lash_extract_args(int *argc, char ***argv)
{
int i, j, valid_count;
lash_args_t *args;
args = lash_args_new();
for (i = 1; i < *argc; ++i) {
if (strncasecmp("--lash-server=", (*argv)[i], 14) == 0) {
lash_error("Dropping deprecated --lash-server flag");
(*argv)[i] = NULL;
continue;
}
if (strncasecmp("--lash-project=", (*argv)[i], 15) == 0) {
lash_error("Dropping deprecated --lash-project flag");
(*argv)[i] = NULL;
continue;
}
if (strncmp("--lash-id=", (*argv)[i], 10) == 0) {
lash_error("Dropping deprecated --lash-id flag");
(*argv)[i] = NULL;
continue;
}
if (strncmp("--lash-no-autoresume", (*argv)[i], 20) == 0) {
lash_debug("Setting LASH_No_Autoresume flag from "
"command line");
lash_args_set_flag(args, LASH_No_Autoresume);
(*argv)[i] = NULL;
continue;
}
if (strncmp("--lash-no-start-server", (*argv)[i], 22) == 0) {
lash_debug("Setting LASH_No_Start_Server flag from "
"command line");
lash_args_set_flag(args, LASH_No_Start_Server);
(*argv)[i] = NULL;
continue;
}
}
lash_debug("Args checked");
/* sort out the argv pointers */
valid_count = *argc;
for (i = 1; i < valid_count; ++i) {
lash_debug("Checking argv[%d]", i);
if ((*argv)[i] == NULL) {
for (j = i; j < *argc - 1; ++j)
(*argv)[j] = (*argv)[j + 1];
valid_count--;
i--;
}
}
lash_debug("Done");
*argc = valid_count;
lash_args_set_args(args, *argc, (const char**)*argv);
return args;
}
lash_client_t *
lash_init(const lash_args_t *args,
const char *class,
int client_flags,
lash_protocol_t protocol)
{
lash_debug("Initializing LASH client");
// TODO: Destroy args
return lash_client_open(class, client_flags, args->argc, args->argv);
}
static lash_event_t * g_pending_event = NULL;
static
void
lash_handle_pending_event(
lash_client_t *client)
{
if (g_pending_event != NULL)
{
lash_error("Application didnt sent event of type %d back to LASH, trying to workaround", g_pending_event->type);
lash_send_event(client, g_pending_event);
}
}
unsigned int
lash_get_pending_event_count(lash_client_t *client)
{
if (!lash_enabled(client))
return 0;
lash_handle_pending_event(client);
lash_dispatch(client);
return (unsigned int) client->num_events_in;
}
unsigned int
lash_get_pending_config_count(lash_client_t *client)
{
if (!lash_enabled(client))
return 0;
lash_dispatch(client);
return (unsigned int) client->num_configs_in;
}
lash_event_t *
lash_get_event(lash_client_t *client)
{
if (!lash_enabled(client))
return NULL;
lash_handle_pending_event(client);
lash_event_t *event = NULL;
lash_dispatch_once(client);
if (!list_empty(&client->events_in)) {
event = list_entry(client->events_in.next, lash_event_t, siblings);
list_del(&event->siblings);
--client->num_events_in;
}
if (event != NULL)
{
if (event->type == LASH_Save_File ||
event->type == LASH_Restore_File ||
event->type == LASH_Save_Data_Set ||
event->type == LASH_Restore_Data_Set)
{
g_pending_event = event;
}
}
return event;
}
lash_config_t *
lash_get_config(lash_client_t *client)
{
lash_config_t *config = NULL;
if (!client)
return NULL;
lash_dispatch_once(client);
if (!list_empty(&client->configs_in)) {
config = list_entry(client->configs_in.next, lash_config_t, siblings);
list_del(&config->siblings);
--client->num_configs_in;
}
return config;
}
void
lash_send_event(lash_client_t *client,
lash_event_t *event)
{
if (g_pending_event != NULL && event != NULL && g_pending_event->type == event->type)
{
g_pending_event = NULL;
}
if (!client || !event)
lash_error("Invalid arguments");
else if (lash_enabled(client) && event->ctor)
event->ctor(client, event);
lash_event_destroy(event);
}
void
lash_send_config(lash_client_t *client,
lash_config_t *config)
{
if (!client || !config) {
lash_error("Invalid arguments");
} else {
struct _lash_config_handle cfg;
cfg.iter = &client->array_iter;
cfg.is_read = false;
lash_config_write_raw(&cfg, config->key,
config->value, config->value_size);
}
lash_config_destroy(config);
}
const char *
lash_get_server_name(lash_client_t *client)
{
return (lash_enabled(client)) ? "localhost" : NULL;
}
#endif /* LASH_OLD_API */
int
lash_server_connected(lash_client_t *client)
{
return (client) ? client->server_connected : 0;
}
/* EOF */
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