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agent: DBus agent register and unregister

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Implement DBus agent register and unregister functions.
This commit is contained in:
Jukka Rissanen 2015-02-27 16:01:07 +02:00 committed by Denis Kenzior
parent b46f06a9ad
commit 4e0fc2150d
1 changed files with 104 additions and 2 deletions
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106
src/agent.c
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@ -30,18 +30,120 @@
#include "src/dbus.h" #include "src/dbus.h"
#include "src/agent.h" #include "src/agent.h"
struct agent {
char *owner;
char *path;
unsigned int disconnect_watch;
uint32_t pending_id;
struct l_timeout *timeout;
int timeout_secs;
struct l_queue *requests;
};
static struct agent *default_agent = NULL;
static void agent_free(void *data)
{
struct agent *agent = data;
l_debug("agent free %p", agent);
if (agent->timeout)
l_timeout_remove(agent->timeout);
if (agent->disconnect_watch)
l_dbus_remove_watch(dbus_get_bus(), agent->disconnect_watch);
l_free(agent->owner);
l_free(agent->path);
l_free(agent);
default_agent = NULL;
}
static void agent_disconnect(struct l_dbus *dbus, void *user_data)
{
struct agent *agent = user_data;
l_debug("agent %s disconnected", agent->owner);
l_idle_oneshot(agent_free, agent, NULL);
}
static struct agent *agent_create(struct l_dbus *dbus, const char *name,
const char *path)
{
struct agent *agent;
agent = l_new(struct agent, 1);
agent->owner = l_strdup(name);
agent->path = l_strdup(path);
agent->requests = l_queue_new();
agent->disconnect_watch = l_dbus_add_disconnect_watch(dbus, name,
agent_disconnect,
agent, NULL);
return agent;
}
static struct l_dbus_message *agent_register(struct l_dbus *dbus, static struct l_dbus_message *agent_register(struct l_dbus *dbus,
struct l_dbus_message *message, struct l_dbus_message *message,
void *user_data) void *user_data)
{ {
return NULL; struct l_dbus_message *reply;
struct agent *agent;
const char *path;
if (default_agent)
return dbus_error_already_exists(message);
l_debug("agent register called");
if (!l_dbus_message_get_arguments(message, "o", &path))
return dbus_error_invalid_args(message);
agent = agent_create(dbus, l_dbus_message_get_sender(message), path);
if (!agent)
return dbus_error_failed(message);
default_agent = agent;
l_debug("agent %s path %s", agent->owner, agent->path);
reply = l_dbus_message_new_method_return(message);
l_dbus_message_set_arguments(reply, "");
return reply;
} }
static struct l_dbus_message *agent_unregister(struct l_dbus *dbus, static struct l_dbus_message *agent_unregister(struct l_dbus *dbus,
struct l_dbus_message *message, struct l_dbus_message *message,
void *user_data) void *user_data)
{ {
return NULL; struct l_dbus_message *reply;
const char *path, *sender;
if (!default_agent)
return dbus_error_failed(message);
l_debug("agent unregister");
if (!l_dbus_message_get_arguments(message, "o", &path))
return dbus_error_invalid_args(message);
sender = l_dbus_message_get_sender(message);
if (!strcmp(default_agent->owner, sender))
return dbus_error_not_found(message);
agent_free(default_agent);
reply = l_dbus_message_new_method_return(message);
l_dbus_message_set_arguments(reply, "");
return reply;
} }
bool agent_setup(struct l_dbus_interface *interface) bool agent_setup(struct l_dbus_interface *interface)