From 64b55e7e1236121ea4197d9a37cfec43b196cfe8 Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Wed, 2 Feb 2022 06:40:10 +0100 Subject: moved ecp, platform -> src --- ecp/src/rbuf_send.c | 342 ---------------------------------------------------- 1 file changed, 342 deletions(-) delete mode 100644 ecp/src/rbuf_send.c (limited to 'ecp/src/rbuf_send.c') diff --git a/ecp/src/rbuf_send.c b/ecp/src/rbuf_send.c deleted file mode 100644 index 9f29010..0000000 --- a/ecp/src/rbuf_send.c +++ /dev/null @@ -1,342 +0,0 @@ -#include "core.h" -#include "tr.h" - -#define NACK_RATE_UNIT 10000 - -#define MIN(X, Y) (((X) < (Y)) ? (X) : (Y)) -#define MAX(X, Y) (((X) > (Y)) ? (X) : (Y)) - -static ssize_t flush_send(ECPConnection *conn, ECPTimerItem *ti) { - ECPBuffer packet; - ECPBuffer payload; - unsigned char pkt_buf[ECP_SIZE_PKT_BUF(0, ECP_MTYPE_RBFLUSH, conn)]; - unsigned char pld_buf[ECP_SIZE_PLD_BUF(0, ECP_MTYPE_RBFLUSH, conn)]; - - packet.buffer = pkt_buf; - packet.size = ECP_SIZE_PKT_BUF(0, ECP_MTYPE_RBFLUSH, conn); - payload.buffer = pld_buf; - payload.size = ECP_SIZE_PLD_BUF(0, ECP_MTYPE_RBFLUSH, conn); - - ecp_pld_set_type(payload.buffer, payload.size, ECP_MTYPE_RBFLUSH); - if (ti == NULL) { - ECPTimerItem _ti; - int rv; - - rv = ecp_timer_item_init(&_ti, conn, ECP_MTYPE_RBACK, 3, 500); - if (rv) return rv; - - _ti.retry = flush_send; - rv = ecp_timer_push(&_ti); - if (rv) return rv; - } - return ecp_pld_send(conn, &packet, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_RBFLUSH), 0); -} - -static void cc_flush(ECPConnection *conn, unsigned char flags) { - ECPRBSend *buf = conn->rbuf.send; - ECPRBuffer *rbuf = &buf->rbuf; - unsigned short idx; - int rv; - - rv = _ecp_rbuf_msg_idx(rbuf, buf->seq_cc, &idx); - if (rv) return; - - while (ECP_SEQ_LTE(buf->seq_cc, rbuf->seq_max)) { - ECPRBTimerItem *ti; - ECPBuffer packet; - - if ((buf->cnt_cc == 0) || (buf->in_transit >= buf->win_size)) break; - - if ((rbuf->arr.pkt[idx].flags & ECP_RBUF_FLAG_IN_RBUF) && !(rbuf->arr.pkt[idx].flags & ECP_RBUF_FLAG_SKIP)) { -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&buf->mutex); -#endif - - ti = rbuf->arr.pkt[idx].timer; - if (ti) ecp_timer_push(&ti->item); - packet.buffer = rbuf->arr.pkt[idx].buf; - packet.size = ECP_MAX_PKT; - ecp_pkt_send(conn->sock, &conn->node.addr, &packet, rbuf->arr.pkt[idx].size, flags); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->mutex); -#endif - - if (ti) { -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->timer->mutex); -#endif - ti->empty = 1; -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->timer->mutex); -#endif - } - - buf->cnt_cc--; - buf->in_transit++; - } - if (!(buf->flags & ECP_RBUF_FLAG_RELIABLE)) { - rbuf->arr.pkt[idx].flags = 0; - // if (rbuf->arr.pkt[idx].flags == 0); - } - buf->seq_cc++; - idx = ECP_RBUF_IDX_MASK(idx + 1, rbuf->arr_size); - } - if (!(buf->flags & ECP_RBUF_FLAG_RELIABLE)) { - rbuf->seq_start = buf->seq_cc; - rbuf->idx_start = idx; - } -} - -ssize_t ecp_rbuf_handle_ack(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ECPRBSend *buf; - ECPRBuffer *rbuf; - ssize_t rsize = sizeof(ecp_seq_t)+sizeof(ecp_ack_t); - ecp_seq_t seq_ack = 0; - ecp_ack_t ack_map = 0; - ecp_seq_t seq_start; - ecp_seq_t seq_max; - unsigned short idx; - unsigned short msg_cnt; - int do_flush = 0; - int i; - int rv; - - buf = conn->rbuf.send; - if (buf == NULL) return size; - - rbuf = &buf->rbuf; - if (size < 0) return size; - if (size < rsize) return ECP_ERR; - - seq_ack = \ - (msg[0] << 24) | \ - (msg[1] << 16) | \ - (msg[2] << 8) | \ - (msg[3]); - ack_map = \ - (msg[4] << 24) | \ - (msg[5] << 16) | \ - (msg[6] << 8) | \ - (msg[7]); - - ecp_tr_release(b->packet, 1); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->mutex); -#endif - - seq_max = (buf->cnt_cc ? buf->seq_cc - 1 : rbuf->seq_max); - if (ECP_SEQ_LT(seq_max, seq_ack)) return ECP_ERR; - - if (buf->flags & ECP_RBUF_FLAG_RELIABLE) { - rv = _ecp_rbuf_msg_idx(rbuf, seq_ack, &idx); - if (rv) goto handle_ack_fin; - } - - if (buf->flags & ECP_RBUF_FLAG_CCONTROL) { - buf->in_transit = seq_max - seq_ack; - } - - if (ack_map != ECP_ACK_FULL) { - ecp_ack_t ack_mask = (ecp_ack_t)1 << (ECP_SIZE_ACKB - 1); - unsigned short nack_cnt = 0; - int nack_first = 0; - - seq_ack -= (ECP_SIZE_ACKB - 1); - if (buf->flags & ECP_RBUF_FLAG_RELIABLE) { - rv = _ecp_rbuf_msg_idx(rbuf, seq_ack, &idx); - if (rv) goto handle_ack_fin; - } - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&buf->mutex); -#endif - - for (i=0; iseq_nack, seq_ack)) { - nack_cnt++; - buf->seq_nack = seq_ack; - } - - if (buf->flags & ECP_RBUF_FLAG_RELIABLE) { - if (!(rbuf->arr.pkt[idx].flags & ECP_RBUF_FLAG_IN_RBUF) || (rbuf->arr.pkt[idx].flags & ECP_RBUF_FLAG_SKIP)) { - ECPBuffer packet; - ECPBuffer payload; - unsigned char pkt_buf[ECP_SIZE_PKT_BUF(0, ECP_MTYPE_NOP, conn)]; - unsigned char pld_buf[ECP_SIZE_PLD_BUF(0, ECP_MTYPE_NOP, conn)]; - - packet.buffer = pkt_buf; - packet.size = ECP_SIZE_PKT_BUF(0, ECP_MTYPE_NOP, conn); - payload.buffer = pld_buf; - payload.size = ECP_SIZE_PLD_BUF(0, ECP_MTYPE_NOP, conn); - - ecp_pld_set_type(payload.buffer, payload.size, ECP_MTYPE_NOP); - ecp_rbuf_pld_send(conn, &packet, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_NOP), ECP_SEND_FLAG_MORE, seq_ack); - } else { - ECPBuffer packet; - - packet.buffer = rbuf->arr.pkt[idx].buf; - packet.size = ECP_MAX_PKT; - ecp_pkt_send(conn->sock, &conn->node.addr, &packet, rbuf->arr.pkt[idx].size, ECP_SEND_FLAG_MORE); - if (buf->flags & ECP_RBUF_FLAG_CCONTROL) { - buf->in_transit++; - } - } - if (!nack_first) { - nack_first = 1; - seq_start = seq_ack; - } - } - } - seq_ack++; - ack_mask = ack_mask >> 1; - if (buf->flags & ECP_RBUF_FLAG_RELIABLE) idx = ECP_RBUF_IDX_MASK(idx + 1, rbuf->arr_size); - } - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->mutex); -#endif - - buf->nack_rate = (buf->nack_rate * 7 + ((ECP_SIZE_ACKB - nack_cnt) * NACK_RATE_UNIT) / ECP_SIZE_ACKB) / 8; - } else { - buf->nack_rate = (buf->nack_rate * 7) / 8; - seq_start = seq_ack + 1; - } - - if (buf->flags & ECP_RBUF_FLAG_RELIABLE) { - msg_cnt = seq_start - rbuf->seq_start; - idx = rbuf->idx_start; - for (i=0; iarr.pkt[idx].flags = 0; - // if (rbuf->arr.pkt[idx].flags == 0); - idx = ECP_RBUF_IDX_MASK(idx + 1, rbuf->arr_size); - } - rbuf->seq_start = seq_start; - rbuf->idx_start = idx; - } - if (buf->flush) { - if (ECP_SEQ_LT(buf->seq_flush, rbuf->seq_start)) buf->flush = 0; - if (buf->flush) do_flush = 1; - } - if (buf->cnt_cc) cc_flush(conn, ECP_SEND_FLAG_MORE); - -handle_ack_fin: - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&buf->mutex); -#endif - - if (!rv && do_flush) { - ssize_t _rv; - - _rv = flush_send(conn, NULL); - if (_rv < 0) rv = _rv; - } else { - // ecp_tr_nomore(); - } - - ecp_tr_release(b->packet, 0); - - if (rv) return rv; - return rsize; -} - -int ecp_rbuf_send_create(ECPConnection *conn, ECPRBSend *buf, ECPRBPacket *pkt, unsigned short pkt_size) { - ECPRBuffer *rbuf = &buf->rbuf; - int rv; - - if (pkt == NULL) return ECP_ERR; - - memset(buf, 0, sizeof(ECPRBRecv)); - memset(pkt, 0, sizeof(ECPRBPacket) * pkt_size); - - rbuf->arr.pkt = pkt; - rbuf->arr_size = pkt_size; - -#ifdef ECP_WITH_PTHREAD - rv = pthread_mutex_init(&buf->mutex, NULL); - if (rv) return ECP_ERR; -#endif - - conn->rbuf.send = buf; - return ECP_OK; -} - -void ecp_rbuf_send_destroy(ECPConnection *conn) { - ECPRBSend *buf = conn->rbuf.send; - - if (buf == NULL) return; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_destroy(&buf->mutex); -#endif - - conn->rbuf.send = NULL; -} - -int ecp_rbuf_send_start(ECPConnection *conn) { - ECPRBSend *buf = conn->rbuf.send; - ECPRBuffer *rbuf = &buf->rbuf; - - if (buf == NULL) return ECP_ERR; - - buf->seq_nack = conn->seq_out; - return _ecp_rbuf_start(rbuf, conn->seq_out); -} - -int ecp_rbuf_set_wsize(ECPConnection *conn, ecp_win_t size) { - ECPRBSend *buf = conn->rbuf.send; - - if (buf == NULL) return ECP_ERR; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->mutex); -#endif - - buf->win_size = size; - if (buf->cnt_cc) cc_flush(conn, 0); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&buf->mutex); -#endif - - return ECP_OK; -} - -int ecp_rbuf_flush(ECPConnection *conn) { - ECPRBSend *buf = conn->rbuf.send; - ecp_seq_t seq; - ssize_t rv; - - if (buf == NULL) return ECP_ERR; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&conn->mutex); -#endif - seq = conn->seq_out; -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); -#endif - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&buf->mutex); -#endif - - if (buf->flush) { - if (ECP_SEQ_LT(buf->seq_flush, seq)) buf->seq_flush = seq; - } else { - buf->flush = 1; - buf->seq_flush = seq; - } - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&buf->mutex); -#endif - - rv = flush_send(conn, NULL); - if (rv < 0) return rv; - - return ECP_OK; -} -- cgit v1.2.3