/* 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;
}
/* SEND */
STATIC lagopus_result_t
ofp_packet_in_create(struct packet_in *packet_in,
struct pbuf **pbuf) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
uint16_t miss_send_len;
uint16_t length = 0;
uint16_t remain_length = 0;
uint16_t match_total_len = 0;
uint8_t tmp_version = 0x00;
uint32_t tmp_xid = 0x00;
uint16_t tmp_length = 0;
if (packet_in != NULL && packet_in->data != NULL &&
pbuf != NULL) {
/* alloc */
*pbuf = pbuf_alloc(OFP_PACKET_MAX_SIZE);
if (*pbuf != NULL) {
pbuf_plen_set(*pbuf, OFP_PACKET_MAX_SIZE);
/* set total_len. */
ret = pbuf_length_get(packet_in->data, &length);
if (ret == LAGOPUS_RESULT_OK) {
packet_in->ofp_packet_in.total_len = length;
/* Fill in header. */
/* tmp_* is replaced later. */
ofp_header_set(&packet_in->ofp_packet_in.header, tmp_version,
OFPT_PACKET_IN, tmp_length, tmp_xid);
ret = ofp_packet_in_encode(*pbuf, &packet_in->ofp_packet_in);
if (ret == LAGOPUS_RESULT_OK) {
ret = ofp_match_list_encode(NULL, *pbuf, &packet_in->match_list,
&match_total_len);
if (ret == LAGOPUS_RESULT_OK) {
/* Cut packet. */
remain_length = (uint16_t) pbuf_plen_get(*pbuf);
if (packet_in->ofp_packet_in.buffer_id == OFP_NO_BUFFER) {
miss_send_len = remain_length;
} else {
miss_send_len = packet_in->miss_send_len;
}
if (length < miss_send_len) {
miss_send_len = length;
}
/* exist data */
if (miss_send_len != 0) {
/* add padding */
ret = ofp_padding_add(*pbuf, OFP_PACKET_IN_PAD);
if (ret == LAGOPUS_RESULT_OK) {
/* Cut packet. (remain_length) */
if (miss_send_len + OFP_PACKET_IN_PAD > remain_length) {
miss_send_len = remain_length;
}
if (pbuf_plen_check(*pbuf, miss_send_len) !=
LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED : over data length.\n");
ret = LAGOPUS_RESULT_OUT_OF_RANGE;
} else {
/* copy data. */
ret = pbuf_copy_with_length(*pbuf, packet_in->data,
miss_send_len);
if (ret == LAGOPUS_RESULT_OK) {
pbuf_plen_reset(*pbuf);
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
}
} else {
lagopus_msg_warning("FAILED : over padding length.\n");
}
} else {
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("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
/* free. */
if (ret != LAGOPUS_RESULT_OK && *pbuf != NULL) {
pbuf_free(*pbuf);
*pbuf = 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;
}
