1 files changed, 0 insertions, 343 deletions

diff --git a/code/ecp/rbuf_recv.c b/code/ecp/rbuf_recv.c
deleted file mode 100644
index b9b16a2..0000000
--- a/code/ecp/rbuf_recv.c
+++ /dev/null
@@ -1,343 +0,0 @@
-#include "core.h"
-#include "tr.h"
-#include "tm.h"
-
-#define ACK_RATE            8
-#define ACK_MASK_FIRST      ((ecp_ack_t)1 << (ECP_SIZE_ACKB - 1))
-
-static ssize_t msg_store(ECPConnection *conn, ecp_seq_t seq, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-    unsigned char flags = ECP_RBUF_FLAG_IN_RBUF;
-    unsigned char mtype = ecp_msg_get_type(msg) & ECP_MTYPE_MASK;
-
-    if (mtype < ECP_MAX_MTYPE_SYS) flags |= ECP_RBUF_FLAG_SYS;
-
-#ifdef ECP_WITH_MSGQ
-    if (buf->flags & ECP_RBUF_FLAG_MSGQ) {
-        int rv = ECP_OK;
-
-        pthread_mutex_lock(&buf->msgq.mutex);
-        ecp_seq_t seq_offset = seq - buf->msgq.seq_start;
-        if (seq_offset >= buf->rbuf.msg_size) rv = ECP_ERR_RBUF_FULL;
-        pthread_mutex_unlock(&buf->msgq.mutex);
-
-        if (rv) return rv;
-    }
-#endif
-
-    ssize_t rv = ecp_rbuf_msg_store(&buf->rbuf, seq, -1, msg, msg_size, ECP_RBUF_FLAG_IN_RBUF | ECP_RBUF_FLAG_IN_MSGQ, flags);
-    if (rv < 0) return rv;
-
-    if (ECP_SEQ_LT(buf->rbuf.seq_max, seq)) buf->rbuf.seq_max = seq;
-    if (flags & ECP_RBUF_FLAG_SYS) ecp_msg_handle(conn, seq, msg, msg_size, b);
-
-    return rv;
-}
-
-static void msg_flush(ECPConnection *conn, ECP2Buffer *b) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-
-#ifdef ECP_WITH_MSGQ
-    if (buf->flags & ECP_RBUF_FLAG_MSGQ) pthread_mutex_lock(&buf->msgq.mutex);
-#endif
-
-    ecp_seq_t msg_cnt = buf->rbuf.seq_max - buf->rbuf.seq_start + 1;
-    ecp_seq_t seq_next = buf->rbuf.seq_start;
-    ecp_seq_t i = 0;
-    unsigned int idx = buf->rbuf.msg_start;
-
-    if (buf->timer_pts) {
-        ecp_timer_pop(conn, ECP_MTYPE_RBFLUSH_PTS);
-        buf->timer_pts = 0;
-    }
-
-    for (i=0; i<msg_cnt; i++) {
-        if (buf->rbuf.msg[idx].flags & ECP_RBUF_FLAG_IN_RBUF) {
-            if (buf->rbuf.msg[idx].flags & ECP_RBUF_FLAG_SYS) {
-                buf->rbuf.msg[idx].flags &= ~ECP_RBUF_FLAG_SYS;
-            } else {
-                int rv = ECP_OK;
-                ecp_pts_t msg_pts;
-                ecp_seq_t seq = buf->rbuf.seq_start + i;
-                unsigned char frag_tot;
-                unsigned char frag_cnt;
-
-                rv = ecp_msg_get_frag(buf->rbuf.msg[idx].msg, buf->rbuf.msg[idx].size, &frag_cnt, &frag_tot);
-                if ((rv == ECP_OK) && (frag_cnt != 0) && (seq != seq_next)) {
-                    ecp_seq_t seq_fend = seq + (ecp_seq_t)(frag_tot - frag_cnt - 1);
-
-                    if (ECP_SEQ_LT(buf->rbuf.seq_max, seq_fend) || (buf->hole_max && ((ecp_seq_t)(buf->rbuf.seq_max - seq_fend) <= buf->hole_max))) {
-                        ecp_seq_t seq_fbeg = seq - frag_cnt;
-                        ecp_seq_t seq_offset = ECP_SEQ_LT(seq_next, seq_fbeg) ? seq - seq_fbeg : seq - seq_next;
-
-                        i -= seq_offset;
-                        idx = ECP_RBUF_IDX_MASK(idx - seq_offset, buf->rbuf.msg_size);
-                        break;
-                    }
-                }
-
-                rv = ecp_msg_get_pts(buf->rbuf.msg[idx].msg, buf->rbuf.msg[idx].size, &msg_pts);
-                if (rv == ECP_OK) {
-                    ecp_pts_t now = ecp_tm_abstime_ms(0);
-                    if (ECP_PTS_LT(now, msg_pts)) {
-                        ECPTimerItem ti;
-                        ecp_seq_t seq_offset = seq - seq_next;
-
-                        rv = ecp_timer_item_init(&ti, conn, ECP_MTYPE_RBFLUSH_PTS, 0, msg_pts - now);
-                        if (!rv) rv = ecp_timer_push(&ti);
-                        if (!rv) buf->timer_pts = 1;
-
-                        i -= seq_offset;
-                        idx = ECP_RBUF_IDX_MASK(idx - seq_offset, buf->rbuf.msg_size);
-                        break;
-                    }
-                }
-
-                seq_next = seq + 1;
-                if (buf->flags & ECP_RBUF_FLAG_MSGQ) {
-#ifdef ECP_WITH_MSGQ
-                    rv = ecp_conn_msgq_push(conn, seq, ecp_msg_get_type(buf->rbuf.msg[idx].msg));
-                    if (rv) break;
-                    buf->rbuf.msg[idx].flags |= ECP_RBUF_FLAG_IN_MSGQ;
-#endif
-                } else {
-                    ecp_msg_handle(conn, seq, buf->rbuf.msg[idx].msg, buf->rbuf.msg[idx].size, b);
-                }
-            }
-            buf->rbuf.msg[idx].flags &= ~ECP_RBUF_FLAG_IN_RBUF;
-        } else {
-            if (buf->flags & ECP_RBUF_FLAG_RELIABLE) break;
-            if (buf->hole_max) {
-                ecp_seq_t seq = buf->rbuf.seq_start + i;
-                ecp_seq_t seq_offset = buf->rbuf.seq_max - seq;
-                if (seq_offset <= buf->hole_max) break;
-            }
-        }
-        idx = ECP_RBUF_IDX_MASK(idx + 1, buf->rbuf.msg_size);
-    }
-    buf->rbuf.seq_start += i;
-    buf->rbuf.msg_start = idx;
-
-#ifdef ECP_WITH_MSGQ
-    if (buf->flags & ECP_RBUF_FLAG_MSGQ) pthread_mutex_unlock(&buf->msgq.mutex);
-#endif
-
-}
-
-static int ack_send(ECPConnection *conn) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_SIZE_PKT_BUF(sizeof(ecp_seq_t) + sizeof(ecp_ack_t), ECP_MTYPE_RBACK, conn)];
-    unsigned char pld_buf[ECP_SIZE_PLD_BUF(sizeof(ecp_seq_t) + sizeof(ecp_ack_t), ECP_MTYPE_RBACK, conn)];
-    unsigned char *buf_ = ecp_pld_get_buf(pld_buf, ECP_MTYPE_RBACK);
-    ssize_t rv;
-
-    packet.buffer = pkt_buf;
-    packet.size = ECP_SIZE_PKT_BUF(sizeof(ecp_seq_t) + sizeof(ecp_ack_t), ECP_MTYPE_RBACK, conn);
-    payload.buffer = pld_buf;
-    payload.size = ECP_SIZE_PLD_BUF(sizeof(ecp_seq_t) + sizeof(ecp_ack_t), ECP_MTYPE_RBACK, conn);
-
-    ecp_pld_set_type(pld_buf, ECP_MTYPE_RBACK);
-    buf_[0] = (buf->seq_ack & 0xFF000000) >> 24;
-    buf_[1] = (buf->seq_ack & 0x00FF0000) >> 16;
-    buf_[2] = (buf->seq_ack & 0x0000FF00) >> 8;
-    buf_[3] = (buf->seq_ack & 0x000000FF);
-    buf_[4] = (buf->ack_map & 0xFF000000) >> 24;
-    buf_[5] = (buf->ack_map & 0x00FF0000) >> 16;
-    buf_[6] = (buf->ack_map & 0x0000FF00) >> 8;
-    buf_[7] = (buf->ack_map & 0x000000FF);
-
-    rv = ecp_rbuf_pld_send(conn, &packet, &payload, ECP_SIZE_PLD(sizeof(ecp_seq_t) + sizeof(ecp_ack_t), ECP_MTYPE_RBACK), 0, 0);
-    if (rv < 0) return rv;
-
-    buf->ack_pkt = 0;
-    buf->ack_do = 0;
-    return ECP_OK;
-}
-
-static int ack_shift(ECPRBRecv *buf) {
-    int do_ack = 0;
-    int in_rbuf = 0;
-    int idx;
-    int i;
-
-    if ((buf->flags & ECP_RBUF_FLAG_RELIABLE) && ((buf->ack_map & ACK_MASK_FIRST) == 0)) return 0;
-
-    while (ECP_SEQ_LT(buf->seq_ack, buf->rbuf.seq_max)) {
-        buf->seq_ack++;
-        in_rbuf = ECP_SEQ_LT(buf->seq_ack, buf->rbuf.seq_start) ? 1 : buf->rbuf.msg[ECP_RBUF_IDX_MASK(buf->rbuf.msg_start + buf->seq_ack - buf->rbuf.seq_start, buf->rbuf.msg_size)].flags & ECP_RBUF_FLAG_IN_RBUF;
-
-        if (in_rbuf && (buf->ack_map == ECP_ACK_FULL)) continue;
-
-        buf->ack_map = buf->ack_map << 1;
-        if (in_rbuf) {
-            buf->ack_map |= 1;
-        } else if (!do_ack && ECP_SEQ_LTE(buf->seq_ack, buf->rbuf.seq_max - 2 * buf->hole_max)) {
-            do_ack = 1;
-        }
-
-        if ((buf->ack_map & ACK_MASK_FIRST) == 0) break;
-    }
-
-    if (!do_ack && (buf->seq_ack == buf->rbuf.seq_max) && ((buf->ack_map & buf->hole_mask_full) != buf->hole_mask_full)) {
-        ecp_ack_t hole_mask = buf->ack_map;
-
-        for (i=0; i<buf->hole_max-1; i++) {
-            hole_mask = hole_mask >> 1;
-            if ((hole_mask & buf->hole_mask_empty) == 0) {
-                do_ack = 1;
-                break;
-            }
-        }
-    }
-
-    return do_ack;
-}
-
-ssize_t ecp_rbuf_handle_flush(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) {
-    if (size < 0) return size;
-
-    ECPRBRecv *buf = conn->rbuf.recv;
-    if (buf == NULL) return ECP_ERR;
-
-    ecp_tr_release(b->packet, 1);
-    ack_send(conn);
-    return 0;
-}
-
-ssize_t ecp_rbuf_handle_flush_pts(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-    if (buf == NULL) return ECP_ERR;
-
-    buf->timer_pts = 0;
-    msg_flush(conn, b);
-    return 0;
-}
-
-int ecp_rbuf_recv_create(ECPConnection *conn, ECPRBRecv *buf, ECPRBMessage *msg, unsigned int msg_size) {
-    int rv;
-
-    memset(buf, 0, sizeof(ECPRBRecv));
-    rv = ecp_rbuf_init(&buf->rbuf, msg, msg_size);
-    if (rv) return rv;
-
-    buf->ack_map = ECP_ACK_FULL;
-    buf->ack_rate = ACK_RATE;
-
-#ifdef ECP_WITH_MSGQ
-    rv = ecp_conn_msgq_create(&buf->msgq);
-    if (rv) return rv;
-#endif
-
-    conn->rbuf.recv = buf;
-    return ECP_OK;
-}
-
-void ecp_rbuf_recv_destroy(ECPConnection *conn) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-
-    if (buf == NULL) return;
-#ifdef ECP_WITH_MSGQ
-    ecp_conn_msgq_destroy(&buf->msgq);
-#endif
-
-    conn->rbuf.recv = NULL;
-}
-
-int ecp_rbuf_recv_start(ECPConnection *conn, ecp_seq_t seq) {
-    int rv;
-    ECPRBRecv *buf = conn->rbuf.recv;
-
-    if (buf == NULL) return ECP_ERR;
-
-    seq--;
-    buf->seq_ack = seq;
-    rv = ecp_rbuf_start(&buf->rbuf, seq);
-    if (rv) return rv;
-
-#ifdef ECP_WITH_MSGQ
-    if (buf->flags & ECP_RBUF_FLAG_MSGQ) {
-        rv = ecp_conn_msgq_start(&buf->msgq, seq);
-        if (rv) return rv;
-    }
-#endif
-
-    return ECP_OK;
-}
-
-int ecp_rbuf_recv_set_hole(ECPConnection *conn, unsigned short hole_max) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-
-    buf->hole_max = hole_max;
-    buf->hole_mask_full = ~(~((ecp_ack_t)1) << (hole_max * 2));
-    buf->hole_mask_empty = ~(~((ecp_ack_t)1) << (hole_max + 1));
-
-    return ECP_OK;
-}
-
-int ecp_rbuf_recv_set_delay(ECPConnection *conn, ecp_pts_t delay) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-
-    buf->deliver_delay = delay;
-
-    return ECP_OK;
-}
-
-ssize_t ecp_rbuf_recv_store(ECPConnection *conn, ecp_seq_t seq, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
-    ECPRBRecv *buf = conn->rbuf.recv;
-    ecp_seq_t ack_pkt = 0;
-    ssize_t rv;
-    unsigned char mtype;
-
-    mtype = ecp_msg_get_type(msg) & ECP_MTYPE_MASK;
-    if ((mtype == ECP_MTYPE_RBACK) || (mtype == ECP_MTYPE_RBFLUSH)) return ecp_msg_handle(conn, seq, msg, msg_size, b);
-
-    if (ECP_SEQ_LT(buf->rbuf.seq_max, seq)) {
-        ack_pkt = seq - buf->rbuf.seq_max;
-        buf->ack_pkt += ack_pkt;
-        if (buf->ack_pkt > buf->ack_rate) buf->ack_do = 1;
-    }
-    if (ECP_SEQ_LTE(seq, buf->seq_ack)) {
-        ecp_seq_t seq_offset = buf->seq_ack - seq;
-        if (seq_offset < ECP_SIZE_ACKB) {
-            ecp_ack_t ack_mask = ((ecp_ack_t)1 << seq_offset);
-
-            if (ack_mask & buf->ack_map) return ECP_ERR_RBUF_DUP;
-
-            buf->ack_map |= ack_mask;
-            buf->ack_do = buf->ack_do || ack_shift(buf);
-
-            rv = msg_store(conn, seq, msg, msg_size, b);
-            if (rv < 0) return rv;
-        } else {
-            return ECP_ERR_RBUF_DUP;
-        }
-    } else {
-        if ((buf->ack_map == ECP_ACK_FULL) && (seq == (ecp_seq_t)(buf->seq_ack + 1))) {
-            if ((buf->flags & ECP_RBUF_FLAG_MSGQ) || buf->deliver_delay) {
-                rv = msg_store(conn, seq, msg, msg_size, b);
-                if (rv < 0) return rv;
-            } else {
-                ecp_msg_handle(conn, seq, msg, msg_size, b);
-                rv = msg_size;
-                buf->rbuf.seq_max++;
-                buf->rbuf.seq_start++;
-                buf->rbuf.msg_start = ECP_RBUF_IDX_MASK(buf->rbuf.msg_start + 1, buf->rbuf.msg_size);
-            }
-            buf->seq_ack++;
-        } else {
-            rv = msg_store(conn, seq, msg, msg_size, b);
-            if (rv < 0) return rv;
-
-            buf->ack_do = buf->ack_do || ack_shift(buf);
-        }
-    }
-    msg_flush(conn, b);
-    if (!(mtype < ECP_MAX_MTYPE_SYS) && buf->ack_do) {
-        int _rv = ack_send(conn);
-        if (_rv) return _rv;
-    }
-    return rv;
-}
-