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Merge branch 'on-waves/sccp'

This commit is contained in:
Holger Hans Peter Freyther 2010-04-07 22:54:12 +02:00
parent 91b5a31a2c b71517f07e
commit 014136da47
3 changed files with 51 additions and 53 deletions
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7
openbsc/include/sccp/sccp.h
View File

@ -94,7 +94,7 @@ struct sccp_connection {
* call sccp_system_incoming for incoming data (from the network)
* sccp will call outgoing whenever outgoing data exists
*/
int sccp_system_init(int (*outgoing)(struct msgb *data, void *ctx), void *context);
int sccp_system_init(void (*outgoing)(struct msgb *data, void *ctx), void *context);
int sccp_system_incoming(struct msgb *data);
/**
@ -105,6 +105,11 @@ int sccp_connection_send_it(struct sccp_connection *connection);
int sccp_connection_close(struct sccp_connection *connection, int cause);
int sccp_connection_free(struct sccp_connection *connection);
/**
* internal..
*/
int sccp_connection_force_free(struct sccp_connection *conn);
/**
* Create a new socket. Set your callbacks and then call bind to open
* the connection.

73
openbsc/src/sccp/sccp.c
View File

@ -45,7 +45,7 @@ const struct sockaddr_sccp sccp_ssn_bssap = {
struct sccp_system {
/* layer3 -> layer2 */
int (*write_data)(struct msgb *data, void *context);
void (*write_data)(struct msgb *data, void *context);
void *write_context;
};
@ -91,9 +91,9 @@ static struct sccp_data_callback *_find_ssn(u_int8_t ssn)
}
static int _send_msg(struct msgb *msg)
static void _send_msg(struct msgb *msg)
{
return sccp_system.write_data(msg, sccp_system.write_context);
sccp_system.write_data(msg, sccp_system.write_context);
}
/*
@ -499,7 +499,6 @@ static int _sccp_send_data(int class, const struct sockaddr_sccp *in,
{
struct sccp_data_unitdata *udt;
u_int8_t *data;
int ret;
if (msgb_l3len(payload) > 256) {
DEBUGP(DSCCP, "The payload is too big for one udt\n");
@ -533,10 +532,8 @@ static int _sccp_send_data(int class, const struct sockaddr_sccp *in,
data[0] = msgb_l3len(payload);
memcpy(&data[1], payload->l3h, msgb_l3len(payload));
ret = _send_msg(msg);
msgb_free(msg);
return ret;
_send_msg(msg);
return 0;
}
static int _sccp_handle_read(struct msgb *msgb)
@ -627,7 +624,6 @@ static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause)
struct msgb *msgb;
struct sccp_connection_refused *ref;
u_int8_t *data;
int ret;
msgb = msgb_alloc_headroom(SCCP_MSG_SIZE,
SCCP_MSG_HEADROOM, "sccp ref");
@ -643,9 +639,8 @@ static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause)
data = msgb_put(msgb, 1);
data[0] = SCCP_PNC_END_OF_OPTIONAL;
ret = _send_msg(msgb);
msgb_free(msgb);
return ret;
_send_msg(msgb);
return 0;
}
static int _sccp_send_connection_confirm(struct sccp_connection *connection)
@ -653,7 +648,6 @@ static int _sccp_send_connection_confirm(struct sccp_connection *connection)
struct msgb *response;
struct sccp_connection_confirm *confirm;
u_int8_t *optional_data;
int ret;
if (assign_source_local_reference(connection) != 0)
return -1;
@ -677,11 +671,9 @@ static int _sccp_send_connection_confirm(struct sccp_connection *connection)
optional_data = (u_int8_t *) msgb_put(response, 1);
optional_data[0] = SCCP_PNC_END_OF_OPTIONAL;
ret = _send_msg(response);
msgb_free(response);
_send_msg(response);
_sccp_set_connection_state(connection, SCCP_CONNECTION_STATE_ESTABLISHED);
return ret;
return 0;
}
static int _sccp_send_connection_request(struct sccp_connection *connection,
@ -691,7 +683,6 @@ static int _sccp_send_connection_request(struct sccp_connection *connection,
struct sccp_connection_request *req;
u_int8_t *data;
u_int8_t extra_size = 3 + 1;
int ret;
if (msg && (msgb_l3len(msg) < 3 || msgb_l3len(msg) > 130)) {
@ -741,10 +732,8 @@ static int _sccp_send_connection_request(struct sccp_connection *connection,
llist_add_tail(&connection->list, &sccp_connections);
_sccp_set_connection_state(connection, SCCP_CONNECTION_STATE_REQUEST);
ret = _send_msg(request);
msgb_free(request);
return ret;
_send_msg(request);
return 0;
}
static int _sccp_send_connection_data(struct sccp_connection *conn, struct msgb *_data)
@ -753,7 +742,6 @@ static int _sccp_send_connection_data(struct sccp_connection *conn, struct msgb
struct sccp_data_form1 *dt1;
u_int8_t *data;
int extra_size;
int ret;
if (msgb_l3len(_data) < 2 || msgb_l3len(_data) > 256) {
DEBUGP(DSCCP, "data size too big, segmenting unimplemented.\n");
@ -777,17 +765,14 @@ static int _sccp_send_connection_data(struct sccp_connection *conn, struct msgb
data[0] = extra_size - 1;
memcpy(&data[1], _data->l3h, extra_size - 1);
ret = _send_msg(msgb);
msgb_free(msgb);
return ret;
_send_msg(msgb);
return 0;
}
static int _sccp_send_connection_it(struct sccp_connection *conn)
{
struct msgb *msgb;
struct sccp_data_it *it;
int ret;
msgb = msgb_alloc_headroom(SCCP_MSG_SIZE,
SCCP_MSG_HEADROOM, "sccp it");
@ -803,9 +788,8 @@ static int _sccp_send_connection_it(struct sccp_connection *conn)
it->sequencing[0] = it->sequencing[1] = 0;
it->credit = 0;
ret = _send_msg(msgb);
msgb_free(msgb);
return ret;
_send_msg(msgb);
return 0;
}
static int _sccp_send_connection_released(struct sccp_connection *conn, int cause)
@ -813,7 +797,6 @@ static int _sccp_send_connection_released(struct sccp_connection *conn, int caus
struct msgb *msg;
struct sccp_connection_released *rel;
u_int8_t *data;
int ret;
msg = msgb_alloc_headroom(SCCP_MSG_SIZE, SCCP_MSG_HEADROOM,
"sccp: connection released");
@ -832,10 +815,8 @@ static int _sccp_send_connection_released(struct sccp_connection *conn, int caus
data[0] = SCCP_PNC_END_OF_OPTIONAL;
_sccp_set_connection_state(conn, SCCP_CONNECTION_STATE_RELEASE);
ret = _send_msg(msg);
msgb_free(msg);
return ret;
_send_msg(msg);
return 0;
}
/*
@ -982,7 +963,6 @@ static int _sccp_send_connection_release_complete(struct sccp_connection *connec
{
struct msgb *msgb;
struct sccp_connection_release_complete *rlc;
int ret;
msgb = msgb_alloc_headroom(SCCP_MSG_SIZE,
SCCP_MSG_HEADROOM, "sccp rlc");
@ -995,8 +975,7 @@ static int _sccp_send_connection_release_complete(struct sccp_connection *connec
memcpy(&rlc->source_local_reference,
&connection->source_local_reference, sizeof(struct sccp_source_reference));
ret = _send_msg(msgb);
msgb_free(msgb);
_send_msg(msgb);
/*
* Remove from the list of active connections and set the state. User code
@ -1004,8 +983,7 @@ static int _sccp_send_connection_release_complete(struct sccp_connection *connec
*/
llist_del(&connection->list);
_sccp_set_connection_state(connection, SCCP_CONNECTION_STATE_RELEASE_COMPLETE);
return ret;
return 0;
}
/* connection released, send a released confirm */
@ -1118,7 +1096,7 @@ found:
}
int sccp_system_init(int (*outgoing)(struct msgb *data, void *ctx), void *ctx)
int sccp_system_init(void (*outgoing)(struct msgb *data, void *ctx), void *ctx)
{
sccp_system.write_data = outgoing;
sccp_system.write_context = ctx;
@ -1220,6 +1198,17 @@ int sccp_connection_free(struct sccp_connection *connection)
return 0;
}
int sccp_connection_force_free(struct sccp_connection *con)
{
if (con->connection_state > SCCP_CONNECTION_STATE_NONE &&
con->connection_state < SCCP_CONNECTION_STATE_RELEASE_COMPLETE)
llist_del(&con->list);
con->connection_state = SCCP_CONNECTION_STATE_REFUSED;
sccp_connection_free(con);
return 0;
}
struct sccp_connection *sccp_connection_socket(void)
{
return talloc_zero(tall_sccp_ctx, struct sccp_connection);

24
openbsc/tests/sccp/sccp_test.c
View File

@ -354,14 +354,14 @@ int sccp_read_cb(struct msgb *data, unsigned len, void *context)
return 0;
}
int sccp_write_cb(struct msgb *data, void *ctx)
void sccp_write_cb(struct msgb *data, void *ctx)
{
int i = 0;
const u_int8_t *got, *wanted;
if (test_data[current_test].response == NULL) {
FAIL("Didn't expect write callback\n");
return -1;
goto exit;
} else if (test_data[current_test].response_length != msgb_l2len(data)) {
FAIL("Size does not match. Got: %d Wanted: %d\n",
msgb_l2len(data), test_data[current_test].response_length);
@ -374,12 +374,14 @@ int sccp_write_cb(struct msgb *data, void *ctx)
if (got[i] != wanted[i]) {
FAIL("Failed to compare byte. Got: 0x%x Wanted: 0x%x at %d\n",
got[i], wanted[i], i);
return -1;
goto exit;
}
}
write_called = 1;
return 0;
exit:
msgb_free(data);
}
void sccp_c_read(struct sccp_connection *connection, struct msgb *msgb, unsigned int len)
@ -409,7 +411,7 @@ int sccp_accept_cb(struct sccp_connection *connection, void *user_data)
return 0;
}
static int sccp_udt_write_cb(struct msgb *data, void *context)
static void sccp_udt_write_cb(struct msgb *data, void *context)
{
const u_int8_t *got, *wanted;
int i;
@ -419,7 +421,7 @@ static int sccp_udt_write_cb(struct msgb *data, void *context)
if (send_data[current_test].length != msgb_l2len(data)) {
FAIL("Size does not match. Got: %d Wanted: %d\n",
msgb_l2len(data), send_data[current_test].length);
return -1;
goto exit;
}
got = &data->l2h[0];
@ -429,12 +431,14 @@ static int sccp_udt_write_cb(struct msgb *data, void *context)
if (got[i] != wanted[i]) {
FAIL("Failed to compare byte. Got: 0x%x Wanted: 0x%x at %d\n",
got[i], wanted[i], i);
return -1;
goto exit;
}
}
matched = 1;
return 0;
exit:
msgb_free(data);
}
static void test_sccp_system(void)
@ -504,11 +508,11 @@ static int sccp_udt_read(struct msgb *data, unsigned int len, void *context)
return 0;
}
static int sccp_write_loop(struct msgb *data, void *context)
static void sccp_write_loop(struct msgb *data, void *context)
{
/* send it back to us */
sccp_system_incoming(data);
return 0;
msgb_free(data);
}
static void test_sccp_udt_communication(void)