/* header only packet. */
lagopus_result_t
ofp_header_create(struct channel *channel, uint8_t type,
struct ofp_header *xid_header,
struct ofp_header *header,
struct pbuf *pbuf) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
uint32_t xid;
if (channel != NULL && header != NULL &&
pbuf != NULL) {
if (xid_header != NULL) {
xid = xid_header->xid;
} else {
xid = channel_xid_get(channel);
}
ofp_header_set(header, channel_version_get(channel), type,
(uint16_t) pbuf_plen_get(pbuf), xid);
ret = ofp_header_encode(pbuf, header);
if (ret != LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
STATIC lagopus_result_t
ofp_role_reply_create(struct channel *channel,
struct pbuf **pbuf,
struct ofp_header *xid_header,
struct ofp_role_request *role_request) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
/* reply is ofp_role_request structure. */
struct ofp_role_request role_reply;
/* check params */
if (channel != NULL && pbuf != NULL &&
xid_header != NULL && role_request != NULL) {
/* alloc */
*pbuf = channel_pbuf_list_get(channel,
sizeof(struct ofp_role_request));
if (*pbuf != NULL) {
pbuf_plen_set(*pbuf, sizeof(struct ofp_role_request));
/* Fill in header. */
ofp_header_set(&role_reply.header,
channel_version_get(channel),
OFPT_ROLE_REPLY,
(uint16_t) pbuf_plen_get(*pbuf),
xid_header->xid);
role_reply.role = role_request->role;
memset(role_reply.pad, 0, sizeof(role_request->pad));
role_reply.generation_id = role_request->generation_id;
/* Encode message. */
ret = ofp_role_request_encode(*pbuf, &role_reply);
if (ret != LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
if (ret != LAGOPUS_RESULT_OK && *pbuf != NULL) {
channel_pbuf_list_unget(channel, *pbuf);
*pbuf = NULL;
}
} else {
lagopus_msg_warning("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
lagopus_result_t
channel_mgr_ofp_version_get(const char *channel_name, uint8_t *version) {
lagopus_result_t ret;
struct channel *chan;
ret = channel_mgr_channel_lookup_by_name(channel_name, &chan);
if (ret != LAGOPUS_RESULT_OK) {
return ret;
}
*version = channel_version_get(chan);
return LAGOPUS_RESULT_OK;
}
STATIC lagopus_result_t
ofp_get_async_reply_create(struct channel *channel,
struct pbuf **pbuf,
struct ofp_header *xid_header) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
struct ofp_async_config async_config;
/* check params */
if (channel != NULL && pbuf != NULL &&
xid_header != NULL) {
/* alloc */
*pbuf = channel_pbuf_list_get(channel,
sizeof(struct ofp_async_config));
if (*pbuf != NULL) {
pbuf_plen_set(*pbuf, sizeof(struct ofp_async_config));
/* Copy packet_in_mask, port_status_mask, flow_removed_mask. */
channel_role_mask_get(channel, &async_config);
/* Fill in header. */
ofp_header_set(&async_config.header,
channel_version_get(channel),
OFPT_GET_ASYNC_REPLY,
(uint16_t) pbuf_plen_get(*pbuf),
xid_header->xid);
/* Encode message. */
ret = ofp_async_config_encode(*pbuf, &async_config);
if (ret != LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED : ofp_async_config_encode (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
if (ret != LAGOPUS_RESULT_OK && *pbuf != NULL) {
channel_pbuf_list_unget(channel, *pbuf);
*pbuf = NULL;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
/* Send switch features reply. */
STATIC lagopus_result_t
ofp_features_reply_create(struct channel *channel,
struct pbuf **pbuf,
struct ofp_header *xid_header) {
struct ofp_switch_features features;
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
if (channel != NULL && pbuf != NULL && xid_header != NULL) {
/* alloc */
*pbuf = channel_pbuf_list_get(channel,
sizeof(struct ofp_switch_features));
if (*pbuf != NULL) {
pbuf_plen_set(*pbuf, sizeof(struct ofp_switch_features));
ret = features_reply_features_get(channel, &features);
if (ret == LAGOPUS_RESULT_OK) {
/* Fill in header. */
ofp_header_set(&features.header, channel_version_get(channel),
OFPT_FEATURES_REPLY, (uint16_t) pbuf_plen_get(*pbuf),
xid_header->xid);
/* Encode message. */
ret = ofp_switch_features_encode(*pbuf, &features);
if (ret != LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
if (ret != LAGOPUS_RESULT_OK && *pbuf != NULL) {
channel_pbuf_list_unget(channel, *pbuf);
*pbuf = NULL;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
/* Send experimenter reply. */
STATIC lagopus_result_t
ofp_experimenter_reply_create(struct channel *channel,
struct pbuf **pbuf,
struct ofp_header *xid_header,
struct ofp_experimenter_header *exper_req) {
struct ofp_experimenter_header exper_reply;
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
if (channel != NULL && pbuf != NULL &&
xid_header != NULL && exper_req != NULL) {
*pbuf = NULL;
/* alloc */
*pbuf = channel_pbuf_list_get(channel,
sizeof(struct ofp_experimenter_header));
if (*pbuf != NULL) {
pbuf_plen_set(*pbuf, sizeof(struct ofp_experimenter_header));
exper_reply.experimenter = exper_req->experimenter;
exper_reply.exp_type = exper_req->exp_type;
/* Fill in header. */
ofp_header_set(&exper_reply.header, channel_version_get(channel),
OFPT_EXPERIMENTER, (uint16_t) pbuf_plen_get(*pbuf),
xid_header->xid);
/* Encode message. */
ret = ofp_experimenter_header_encode(*pbuf, &exper_reply);
if (ret != LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
if (ret != LAGOPUS_RESULT_OK && *pbuf != NULL) {
channel_pbuf_list_unget(channel, *pbuf);
*pbuf = NULL;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
void
test_channel_version_get_set(void) {
struct channel *channel;
uint8_t ret_version;
uint8_t version = 0x10;
channel = s_create_data_channel();
/* Call func. */
channel_version_set(channel, version);
ret_version = channel_version_get(channel);
TEST_ASSERT_EQUAL_MESSAGE(ret_version, version,
"version error.");
session_destroy(channel_session_get(channel));
free(channel);
}
/* Header only packet receive. */
lagopus_result_t
ofp_header_handle(struct channel *channel, struct pbuf *pbuf,
struct ofp_error *error) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
struct ofp_header msg;
if (channel != NULL && pbuf != NULL &&
error != NULL) {
/* Parse ofp_header. */
ret = ofp_header_decode(pbuf, &msg);
if (ret == LAGOPUS_RESULT_OK) {
/* Skip payload if it exists. */
if (pbuf_plen_get(pbuf) > 0) {
ret = pbuf_forward(pbuf, pbuf_plen_get(pbuf));
if (ret != LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
if (ret == LAGOPUS_RESULT_OUT_OF_RANGE) {
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
ret = LAGOPUS_RESULT_OFP_ERROR;
}
}
}
if (ret == LAGOPUS_RESULT_OK &&
channel_version_get(channel) != msg.version) {
lagopus_msg_warning("Unsupported vetsion.\n");
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION);
ret = LAGOPUS_RESULT_OFP_ERROR;
}
} else {
lagopus_msg_warning("FAILED (%s).\n", lagopus_error_get_string(ret));
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
return LAGOPUS_RESULT_OFP_ERROR;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
/* Send experimenter multipart reply. */
STATIC lagopus_result_t
ofp_experimenter_mp_reply_create(
struct channel *channel,
struct pbuf_list **pbuf_list,
struct ofp_header *xid_header,
struct ofp_experimenter_multipart_header *exper_req) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
uint16_t tmp_length = 0;
uint16_t length = 0;
struct ofp_multipart_reply mp_reply;
struct pbuf *pbuf = NULL;
struct ofp_experimenter_multipart_header exper_reply;
if (channel != NULL && pbuf_list != NULL &&
xid_header != NULL && exper_req != NULL) {
/* alloc */
*pbuf_list = pbuf_list_alloc();
if (*pbuf_list != NULL) {
pbuf = pbuf_list_last_get(*pbuf_list);
if (pbuf != NULL) {
pbuf_plen_set(pbuf, pbuf_size_get(pbuf));
/* Fill in header. */
memset(&mp_reply, 0, sizeof(mp_reply));
ofp_header_set(&mp_reply.header, channel_version_get(channel),
OFPT_MULTIPART_REPLY, tmp_length, xid_header->xid);
mp_reply.type = OFPMP_EXPERIMENTER;
mp_reply.flags = 0;
/* Encode multipart reply. */
ret = ofp_multipart_reply_encode(pbuf, &mp_reply);
if (ret == LAGOPUS_RESULT_OK) {
exper_reply.experimenter = exper_req->experimenter;
exper_reply.exp_type = exper_req->exp_type;
/* Encode message. */
ret = ofp_experimenter_multipart_header_encode(
pbuf,
&exper_reply);
if (ret == LAGOPUS_RESULT_OK) {
/* set length for last pbuf. */
ret = pbuf_length_get(pbuf, &length);
if (ret == LAGOPUS_RESULT_OK) {
ret = ofp_header_length_set(pbuf, length);
if (ret == LAGOPUS_RESULT_OK) {
pbuf_plen_reset(pbuf);
ret = LAGOPUS_RESULT_OK;
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
} else {
lagopus_msg_warning("Can't allocate pbuf_list.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
if (ret != LAGOPUS_RESULT_OK && *pbuf_list != NULL) {
pbuf_list_free(*pbuf_list);
*pbuf_list = NULL;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
STATIC lagopus_result_t
ofp_meter_features_reply_create(struct channel *channel,
struct pbuf_list **pbuf_list,
struct ofp_meter_features *ofp_meter_features,
struct ofp_header *xid_header) {
lagopus_result_t res = LAGOPUS_RESULT_ANY_FAILURES;
uint16_t length = 0;
struct pbuf *pbuf = NULL;
struct ofp_multipart_reply ofpmp_reply;
/* check params */
if (channel != NULL &&
pbuf_list != NULL &&
ofp_meter_features != NULL &&
xid_header != NULL) {
/* alloc */
*pbuf_list = NULL;
*pbuf_list = pbuf_list_alloc();
if (*pbuf_list != NULL) {
/* alloc&get tail of pbuf_list */
pbuf = pbuf_list_last_get(*pbuf_list);
if (pbuf != NULL) {
/* set data. */
memset(&ofpmp_reply, 0, sizeof(ofpmp_reply));
ofp_header_set(&ofpmp_reply.header,
channel_version_get(channel),
OFPT_MULTIPART_REPLY,
0, /* length set in ofp_header_length_set() */
xid_header->xid);
ofpmp_reply.type = OFPMP_METER_FEATURES;
/* encode message. */
pbuf_plen_set(pbuf, pbuf_size_get(pbuf));
res = ofp_multipart_reply_encode_list(*pbuf_list, &pbuf, &ofpmp_reply);
if (res == LAGOPUS_RESULT_OK) {
res = ofp_meter_features_encode_list(*pbuf_list, &pbuf, ofp_meter_features);
if (res == LAGOPUS_RESULT_OK) {
/* set packet length */
res = pbuf_length_get(pbuf, &length);
if (res == LAGOPUS_RESULT_OK) {
res = ofp_header_length_set(pbuf, length);
if (res == LAGOPUS_RESULT_OK) {
pbuf_plen_reset(pbuf);
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(res));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(res));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(res));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(res));
}
} else {
res = LAGOPUS_RESULT_NO_MEMORY;
}
} else {
res = LAGOPUS_RESULT_NO_MEMORY;
}
} else {
res = LAGOPUS_RESULT_INVALID_ARGS;
}
return res;
}