ipcpd, lib, irmd, tools: Change SDU to packet

This will change SDU (Service Data Unit) to packet everywhere. SDU is
OSI terminology, whereas packet is Ouroboros terminology.

Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>

1 files changed, 0 insertions, 241 deletions

diff --git a/src/ipcpd/normal/sdu_sched.c b/src/ipcpd/normal/sdu_sched.c
deleted file mode 100644
index e6d705fb..00000000
--- a/src/ipcpd/normal/sdu_sched.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2018
- *
- * SDU scheduler component
- *
- *    Dimitri Staessens <dimitri.staessens@ugent.be>
- *    Sander Vrijders   <sander.vrijders@ugent.be>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#if defined(__linux__) || defined(__CYGWIN__)
-#define _DEFAULT_SOURCE
-#else
-#define _POSIX_C_SOURCE 200112L
-#endif
-
-#include "config.h"
-
-#include <ouroboros/errno.h>
-#include <ouroboros/notifier.h>
-
-#include "ipcp.h"
-#include "sdu_sched.h"
-#include "connmgr.h"
-
-#include <assert.h>
-#include <sched.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-static int qos_prio [] = {
-        QOS_PRIO_RAW,
-        QOS_PRIO_BE,
-        QOS_PRIO_VIDEO,
-        QOS_PRIO_VOICE,
-        QOS_PRIO_DATA
-};
-
-struct sdu_sched {
-        fset_t *      set[QOS_CUBE_MAX];
-        next_sdu_fn_t callback;
-        pthread_t     readers[QOS_CUBE_MAX * IPCP_SCHED_THR_MUL];
-};
-
-struct sched_info {
-        struct sdu_sched * sch;
-        qoscube_t          qc;
-};
-
-static void cleanup_reader(void * o)
-{
-        fqueue_destroy((fqueue_t *) o);
-}
-
-static void * sdu_reader(void * o)
-{
-        struct sdu_sched *   sched;
-        struct shm_du_buff * sdb;
-        int                  fd;
-        fqueue_t *           fq;
-        qoscube_t            qc;
-
-        sched = ((struct sched_info *) o)->sch;
-        qc    = ((struct sched_info *) o)->qc;
-
-        ipcp_lock_to_core();
-
-        free(o);
-
-        fq = fqueue_create();
-        if (fq == NULL)
-                return (void *) -1;
-
-        pthread_cleanup_push(cleanup_reader, fq);
-
-        while (true) {
-                int ret = fevent(sched->set[qc], fq, NULL);
-                if (ret < 0)
-                        continue;
-
-                while ((fd = fqueue_next(fq)) >= 0) {
-                        switch (fqueue_type(fq)) {
-                        case FLOW_DEALLOC:
-                                notifier_event(NOTIFY_DT_FLOW_DEALLOC, &fd);
-                                break;
-                        case FLOW_DOWN:
-                                notifier_event(NOTIFY_DT_FLOW_DOWN, &fd);
-                                break;
-                        case FLOW_UP:
-                                notifier_event(NOTIFY_DT_FLOW_UP, &fd);
-                                break;
-                        case FLOW_PKT:
-                                if (ipcp_flow_read(fd, &sdb))
-                                        continue;
-
-                                sched->callback(fd, qc, sdb);
-                                break;
-                        default:
-                                break;
-                        }
-                }
-        }
-
-        pthread_cleanup_pop(true);
-
-        return (void *) 0;
-}
-
-struct sdu_sched * sdu_sched_create(next_sdu_fn_t callback)
-{
-        struct sdu_sched *  sdu_sched;
-        struct sched_info * infos[QOS_CUBE_MAX * IPCP_SCHED_THR_MUL];
-        int                 i;
-        int                 j;
-
-        assert(callback);
-
-        sdu_sched = malloc(sizeof(*sdu_sched));
-        if (sdu_sched == NULL)
-                goto fail_malloc;
-
-        sdu_sched->callback = callback;
-
-        for (i = 0; i < QOS_CUBE_MAX; ++i) {
-                sdu_sched->set[i] = fset_create();
-                if (sdu_sched->set[i] == NULL) {
-                        for (j = 0; j < i; ++j)
-                                fset_destroy(sdu_sched->set[j]);
-                        goto fail_flow_set;
-                }
-        }
-
-        for (i = 0; i < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++i) {
-                infos[i] = malloc(sizeof(*infos[i]));
-                if (infos[i] == NULL) {
-                        for (j = 0; j < i; ++j)
-                                free(infos[j]);
-                        goto fail_infos;
-                }
-                infos[i]->sch = sdu_sched;
-                infos[i]->qc  = i % QOS_CUBE_MAX;
-        }
-
-        for (i = 0; i < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++i) {
-                if (pthread_create(&sdu_sched->readers[i], NULL,
-                                   sdu_reader, infos[i])) {
-                        for (j = 0; j < i; ++j)
-                                pthread_cancel(sdu_sched->readers[j]);
-                        for (j = 0; j < i; ++j)
-                                pthread_join(sdu_sched->readers[j], NULL);
-                        for (j = i; j < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++j)
-                                free(infos[i]);
-                        goto fail_infos;
-                }
-        }
-
-        for (i = 0; i < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++i) {
-                struct sched_param  par;
-                int                 pol = SCHED_RR;
-                int                 min;
-                int                 max;
-
-                min = sched_get_priority_min(pol);
-                max = sched_get_priority_max(pol);
-
-                min = (max - min) / 2;
-
-                par.sched_priority = min +
-                        (qos_prio[i % QOS_CUBE_MAX] * (max - min) / 99);
-
-                if (pthread_setschedparam(sdu_sched->readers[i], pol, &par))
-                        goto fail_sched;
-        }
-
-        return sdu_sched;
-
- fail_sched:
-        for (j = 0; j < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++j)
-                pthread_cancel(sdu_sched->readers[j]);
-        for (j = 0; j < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++j)
-                pthread_join(sdu_sched->readers[j], NULL);
- fail_infos:
-        for (j = 0; j < QOS_CUBE_MAX; ++j)
-                fset_destroy(sdu_sched->set[j]);
- fail_flow_set:
-        free(sdu_sched);
- fail_malloc:
-        return NULL;
-}
-
-void sdu_sched_destroy(struct sdu_sched * sdu_sched)
-{
-        int i;
-
-        assert(sdu_sched);
-
-        for (i = 0; i < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++i) {
-                pthread_cancel(sdu_sched->readers[i]);
-                pthread_join(sdu_sched->readers[i], NULL);
-        }
-
-        for (i = 0; i < QOS_CUBE_MAX; ++i)
-                fset_destroy(sdu_sched->set[i]);
-
-        free(sdu_sched);
-}
-
-void sdu_sched_add(struct sdu_sched * sdu_sched,
-                   int                fd)
-{
-        qoscube_t qc;
-
-        assert(sdu_sched);
-
-        ipcp_flow_get_qoscube(fd, &qc);
-        fset_add(sdu_sched->set[qc], fd);
-}
-
-void sdu_sched_del(struct sdu_sched * sdu_sched,
-                   int                fd)
-{
-        qoscube_t qc;
-
-        assert(sdu_sched);
-
-        ipcp_flow_get_qoscube(fd, &qc);
-        fset_del(sdu_sched->set[qc], fd);
-}