Add sim file reading / writing utilities

This commit is contained in:
Denis Kenzior 2009-07-10 14:34:24 -05:00
parent 2289298615
commit 541682f89d
2 changed files with 204 additions and 4 deletions

185
src/sim.c
View File

@ -42,6 +42,19 @@
#define SIM_MANAGER_INTERFACE "org.ofono.SimManager"
static gboolean sim_op_next(gpointer user_data);
static gboolean sim_op_retrieve_next(gpointer user);
struct sim_file_op {
int id;
enum ofono_sim_file_structure structure;
int length;
int record_length;
int current;
ofono_sim_file_read_cb_t cb;
void *userdata;
};
struct sim_manager_data {
struct ofono_sim_ops *ops;
int flags;
@ -50,6 +63,7 @@ struct sim_manager_data {
GSList *own_numbers;
GSList *ready_notify;
gboolean ready;
GQueue *simop_q;
int dcbyte;
@ -97,6 +111,11 @@ struct pnn_operator {
char *shortname;
};
static void sim_file_op_free(struct sim_file_op *node)
{
g_free(node);
}
static struct sim_manager_data *sim_manager_create()
{
return g_try_new0(struct sim_manager_data, 1);
@ -119,6 +138,12 @@ static void sim_manager_destroy(gpointer userdata)
data->own_numbers = NULL;
}
if (data->simop_q) {
g_queue_foreach(data->simop_q, (GFunc)sim_file_op_free, NULL);
g_queue_free(data->simop_q);
data->simop_q = NULL;
}
if (data->spdi) {
g_slist_foreach(data->spdi, (GFunc)g_free, NULL);
g_slist_free(data->spdi);
@ -761,6 +786,166 @@ static gboolean sim_retrieve_pnn(void *user_data)
return FALSE;
}
static void sim_op_error(struct ofono_modem *modem)
{
struct sim_manager_data *sim = modem->sim_manager;
struct sim_file_op *op = g_queue_pop_head(sim->simop_q);
op->cb(modem, 0, 0, 0, 0, 0, 0, op->userdata);
sim_file_op_free(op);
if (g_queue_get_length(sim->simop_q) > 0)
g_timeout_add(0, sim_op_next, modem);
}
static void sim_op_retrieve_cb(const struct ofono_error *error,
const unsigned char *data, int len, void *user)
{
struct ofono_modem *modem = user;
struct sim_manager_data *sim = modem->sim_manager;
struct sim_file_op *op = g_queue_peek_head(sim->simop_q);
int total = op->length / op->record_length;
if (error->type == OFONO_ERROR_TYPE_NO_ERROR)
op->cb(modem, 1, op->structure, op->length, op->current,
data, op->record_length, op->userdata);
if (op->current == total) {
op = g_queue_pop_head(sim->simop_q);
sim_file_op_free(op);
if (g_queue_get_length(sim->simop_q) > 0)
g_timeout_add(0, sim_op_next, modem);
} else {
op->current += 1;
g_timeout_add(0, sim_op_retrieve_next, modem);
}
}
static gboolean sim_op_retrieve_next(gpointer user)
{
struct ofono_modem *modem = user;
struct sim_manager_data *sim = modem->sim_manager;
struct sim_file_op *op = g_queue_peek_head(sim->simop_q);
switch (op->structure) {
case OFONO_SIM_FILE_STRUCTURE_TRANSPARENT:
if (!sim->ops->read_file_transparent) {
sim_op_error(modem);
return FALSE;
}
sim->ops->read_file_transparent(modem, op->id, 0, op->length,
sim_op_retrieve_cb, modem);
break;
case OFONO_SIM_FILE_STRUCTURE_FIXED:
if (!sim->ops->read_file_linear) {
sim_op_error(modem);
return FALSE;
}
sim->ops->read_file_linear(modem, op->id, op->current,
op->record_length,
sim_op_retrieve_cb, modem);
break;
case OFONO_SIM_FILE_STRUCTURE_CYCLIC:
if (!sim->ops->read_file_cyclic) {
sim_op_error(modem);
return FALSE;
}
sim->ops->read_file_cyclic(modem, op->id, op->current,
op->record_length,
sim_op_retrieve_cb, modem);
break;
default:
ofono_error("Unrecognized file structure, this can't happen");
}
return FALSE;
}
static void sim_op_info_cb(const struct ofono_error *error, int length,
enum ofono_sim_file_structure structure,
int record_length, void *data)
{
struct ofono_modem *modem = data;
struct sim_manager_data *sim = modem->sim_manager;
struct sim_file_op *op = g_queue_peek_head(sim->simop_q);
if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
sim_op_error(modem);
return;
}
op->structure = structure;
op->length = length;
op->record_length = record_length;
op->current = 1;
g_timeout_add(0, sim_op_retrieve_next, modem);
}
static gboolean sim_op_next(gpointer user_data)
{
struct ofono_modem *modem = user_data;
struct sim_manager_data *sim = modem->sim_manager;
struct sim_file_op *op;
if (!sim->simop_q)
return FALSE;
op = g_queue_peek_head(sim->simop_q);
sim->ops->read_file_info(modem, op->id, sim_op_info_cb, modem);
return FALSE;
}
int ofono_sim_read(struct ofono_modem *modem, int id,
ofono_sim_file_read_cb_t cb, void *data)
{
struct sim_manager_data *sim = modem->sim_manager;
struct sim_file_op *op;
if (!cb)
return -1;
if (modem->sim_manager == NULL)
return -1;
if (!sim->ops)
return -1;
if (!sim->ops->read_file_info)
return -1;
if (!sim->simop_q)
sim->simop_q = g_queue_new();
op = g_new0(struct sim_file_op, 1);
op->id = id;
op->cb = cb;
op->userdata = data;
g_queue_push_tail(sim->simop_q, op);
if (g_queue_get_length(sim->simop_q) == 1)
g_timeout_add(0, sim_op_next, modem);
return 0;
}
int ofono_sim_write(struct ofono_modem *modem, int id,
enum ofono_sim_file_structure structure, int record,
const unsigned char *data, int length)
{
return -1;
}
static void initialize_sim_manager(struct ofono_modem *modem)
{
DBusConnection *conn = dbus_gsm_connection();

View File

@ -21,10 +21,11 @@
typedef void (*ofono_sim_ready_notify_cb_t)(struct ofono_modem *modem);
typedef void (*ofono_sim_read_binary_cb_t)(struct ofono_modem *modem,
const struct ofono_error *error,
const unsigned char *data,
int len, void *userdata);
typedef void (*ofono_sim_file_read_cb_t)(struct ofono_modem *modem, int ok,
enum ofono_sim_file_structure structure,
int total_length, int record,
const unsigned char *data,
int record_length, void *userdata);
void ofono_sim_manager_init(struct ofono_modem *modem);
void ofono_sim_manager_exit(struct ofono_modem *modem);
@ -43,3 +44,17 @@ const char *ofono_operator_name_sim_override(struct ofono_modem *modem,
const char *mnc);
int ofono_sim_get_ready(struct ofono_modem *modem);
void ofono_sim_set_ready(struct ofono_modem *modem);
/* This will queue an operation to read all available records with id from the
* SIM. Callback cb will be called every time a record has been read, or once
* if an error has occurred. For transparent files, the callback will only
* be called once.
*
* Returns 0 if the request could be queued, -1 otherwise.
*/
int ofono_sim_read(struct ofono_modem *modem, int id,
ofono_sim_file_read_cb_t cb, void *data);
int ofono_sim_write(struct ofono_modem *modem, int id,
enum ofono_sim_file_structure structure, int record,
const unsigned char *data, int length);