size_t
ofl_structs_flow_stats_pack(struct ofl_flow_stats *src, uint8_t *dst, struct ofl_exp *exp) {
struct ofp_flow_stats *flow_stats;
size_t total_len;
uint8_t *data;
size_t i;
total_len = ROUND_UP(sizeof(struct ofp_flow_stats) -4 + src->match->length,8) +
ofl_structs_instructions_ofp_total_len(src->instructions, src->instructions_num, exp);
flow_stats = (struct ofp_flow_stats*) dst;
flow_stats->length = htons(total_len);
flow_stats->table_id = src->table_id;
flow_stats->pad = 0x00;
flow_stats->duration_sec = htonl(src->duration_sec);
flow_stats->duration_nsec = htonl(src->duration_nsec);
flow_stats->priority = htons(src->priority);
flow_stats->idle_timeout = htons(src->idle_timeout);
flow_stats->hard_timeout = htons(src->hard_timeout);
memset(flow_stats->pad2, 0x00, 6);
flow_stats->cookie = hton64(src->cookie);
flow_stats->packet_count = hton64(src->packet_count);
flow_stats->byte_count = hton64(src->byte_count);
data = (dst) + sizeof(struct ofp_flow_stats) - 4;
ofl_structs_match_pack(src->match, &(flow_stats->match), data, HOST_ORDER, exp);
data = (dst) + ROUND_UP(sizeof(struct ofp_flow_stats) -4 + src->match->length, 8);
for (i=0; i < src->instructions_num; i++) {
data += ofl_structs_instructions_pack(src->instructions[i], (struct ofp_instruction *) data, exp);
}
return total_len;
}
size_t
ofl_structs_flow_stats_pack(struct ofl_flow_stats *src, struct ofp_flow_stats *dst, struct ofl_exp *exp) {
size_t total_len, len;
uint8_t *data;
size_t i;
total_len = sizeof(struct ofp_flow_stats) +
ofl_structs_instructions_ofp_total_len(src->instructions, src->instructions_num, exp);
dst->length = htons(total_len);
dst->table_id = src->table_id;
dst->pad = 0x00;
dst->duration_sec = htonl(src->duration_sec);
dst->duration_nsec = htonl(src->duration_nsec);
dst->priority = htons(src->priority);
dst->idle_timeout = htons(src->idle_timeout);
dst->hard_timeout = htons(src->hard_timeout);
memset(dst->pad2, 0x00, 6);
dst->cookie = hton64(src->cookie);
dst->packet_count = hton64(src->packet_count);
dst->byte_count = hton64(src->byte_count);
ofl_structs_match_pack(src->match, &(dst->match), exp);
data = (uint8_t *)dst->instructions;
for (i=0; i<src->instructions_num; i++) {
len = ofl_structs_instructions_pack(src->instructions[i], (struct ofp_instruction *)data, exp);
data += len;
}
return total_len;
}
static int
ofl_msg_pack_flow_mod(struct ofl_msg_flow_mod *msg, uint8_t **buf, size_t *buf_len, struct ofl_exp *exp) {
struct ofp_flow_mod *flow_mod;
uint8_t *ptr;
int i;
*buf_len = ROUND_UP(sizeof(struct ofp_flow_mod)- 4 + msg->match->length,8) +
ofl_structs_instructions_ofp_total_len(msg->instructions, msg->instructions_num, exp);
*buf = (uint8_t *)malloc(*buf_len);
flow_mod = (struct ofp_flow_mod *)(*buf);
flow_mod->cookie = hton64(msg->cookie);
flow_mod->cookie_mask = hton64(msg->cookie_mask);
flow_mod->table_id = msg->table_id;
flow_mod->command = msg->command;
flow_mod->idle_timeout = htons( msg->idle_timeout);
flow_mod->hard_timeout = htons( msg->hard_timeout);
flow_mod->priority = htons( msg->priority);
flow_mod->buffer_id = htonl( msg->buffer_id);
flow_mod->out_port = htonl( msg->out_port);
flow_mod->out_group = htonl( msg->out_group);
flow_mod->flags = htons( msg->flags);
memset(flow_mod->pad, 0x00, 2);
ptr = (*buf) + sizeof(struct ofp_flow_mod)- 4;
ofl_structs_match_pack(msg->match, &(flow_mod->match), ptr, HOST_ORDER, exp);
/* We advance counting the padded bytes */
ptr = (*buf) + ROUND_UP(sizeof(struct ofp_flow_mod)- 4 + msg->match->length,8);
for (i=0; i<msg->instructions_num; i++) {
ptr += ofl_structs_instructions_pack(msg->instructions[i], (struct ofp_instruction *)ptr, exp);
}
return 0;
}
size_t
ofl_structs_flow_stats_ofp_len(struct ofl_flow_stats *stats, struct ofl_exp *exp) {
return ROUND_UP((sizeof(struct ofp_flow_stats) - 4) + stats->match->length,8) +
ofl_structs_instructions_ofp_total_len(stats->instructions, stats->instructions_num, exp);
}
size_t
ofl_structs_flow_stats_ofp_len(struct ofl_flow_stats *stats, struct ofl_exp *exp) {
return sizeof(struct ofp_flow_stats) +
ofl_structs_instructions_ofp_total_len(stats->instructions, stats->instructions_num, exp);
}
