diff options
Diffstat (limited to 'src/ipcpd/normal')
-rw-r--r-- | src/ipcpd/normal/CMakeLists.txt | 3 | ||||
-rw-r--r-- | src/ipcpd/normal/connmgr.c | 4 | ||||
-rw-r--r-- | src/ipcpd/normal/dht.c | 52 | ||||
-rw-r--r-- | src/ipcpd/normal/dir.c | 4 | ||||
-rw-r--r-- | src/ipcpd/normal/dt.c | 158 | ||||
-rw-r--r-- | src/ipcpd/normal/dt.h | 11 | ||||
-rw-r--r-- | src/ipcpd/normal/dt_const.h | 39 | ||||
-rw-r--r-- | src/ipcpd/normal/dt_pci.c | 112 | ||||
-rw-r--r-- | src/ipcpd/normal/dt_pci.h | 67 | ||||
-rw-r--r-- | src/ipcpd/normal/enroll.c | 4 | ||||
-rw-r--r-- | src/ipcpd/normal/fa.c | 96 | ||||
-rw-r--r-- | src/ipcpd/normal/fa.h | 4 | ||||
-rw-r--r-- | src/ipcpd/normal/main.c | 4 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/flat.c | 4 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/graph.c | 131 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/graph.h | 10 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/link_state.c | 41 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/tests/graph_test.c | 8 | ||||
-rw-r--r-- | src/ipcpd/normal/psched.c (renamed from src/ipcpd/normal/sdu_sched.c) | 104 | ||||
-rw-r--r-- | src/ipcpd/normal/psched.h (renamed from src/ipcpd/normal/sdu_sched.h) | 26 |
20 files changed, 404 insertions, 478 deletions
diff --git a/src/ipcpd/normal/CMakeLists.txt b/src/ipcpd/normal/CMakeLists.txt index 6dd68385..d1585395 100644 --- a/src/ipcpd/normal/CMakeLists.txt +++ b/src/ipcpd/normal/CMakeLists.txt @@ -37,13 +37,12 @@ set(SOURCE_FILES dht.c dir.c dt.c - dt_pci.c enroll.c fa.c main.c pff.c routing.c - sdu_sched.c + psched.c # Add policies last pol/alternate_pff.c pol/flat.c diff --git a/src/ipcpd/normal/connmgr.c b/src/ipcpd/normal/connmgr.c index bf07ebc4..7b71761f 100644 --- a/src/ipcpd/normal/connmgr.c +++ b/src/ipcpd/normal/connmgr.c @@ -20,7 +20,11 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else #define _POSIX_C_SOURCE 200112L +#endif #define OUROBOROS_PREFIX "connection-manager" diff --git a/src/ipcpd/normal/dht.c b/src/ipcpd/normal/dht.c index a6f1928b..4064bf5c 100644 --- a/src/ipcpd/normal/dht.c +++ b/src/ipcpd/normal/dht.c @@ -20,7 +20,11 @@ * 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" @@ -58,21 +62,21 @@ typedef KadContactMsg kad_contact_msg_t; #define CLOCK_REALTIME_COARSE CLOCK_REALTIME #endif -#define DHT_MAX_REQS 2048 /* KAD recommends rnd(), bmp can be changed. */ -#define KAD_ALPHA 3 /* Parallel factor, proven optimal value. */ -#define KAD_K 8 /* Replication factor, MDHT value. */ -#define KAD_T_REPL 900 /* Replication time, tied to k. MDHT value. */ -#define KAD_T_REFR 900 /* Refresh time stale bucket, MDHT value. */ -#define KAD_T_JOIN 8 /* Response time to wait for a join. */ -#define KAD_T_RESP 5 /* Response time to wait for a response. */ -#define KAD_R_PING 2 /* Ping retries before declaring peer dead. */ -#define KAD_QUEER 15 /* Time to declare peer questionable. */ -#define KAD_BETA 8 /* Bucket split factor, must be 1, 2, 4 or 8. */ -#define KAD_RESP_RETR 6 /* Number of retries on sending a response. */ -#define KAD_JOIN_RETR 8 /* Number of retries sending a join. */ -#define KAD_JOIN_INTV 1 /* Time (seconds) between join retries. */ -#define HANDLE_TIMEO 1000 /* Timeout for dht_handle_sdu tpm check (ms) */ -#define DHT_RETR_ADDR 1 /* Number of addresses to return on retrieve */ +#define DHT_MAX_REQS 2048 /* KAD recommends rnd(), bmp can be changed. */ +#define KAD_ALPHA 3 /* Parallel factor, proven optimal value. */ +#define KAD_K 8 /* Replication factor, MDHT value. */ +#define KAD_T_REPL 900 /* Replication time, tied to k. MDHT value. */ +#define KAD_T_REFR 900 /* Refresh time stale bucket, MDHT value. */ +#define KAD_T_JOIN 8 /* Response time to wait for a join. */ +#define KAD_T_RESP 5 /* Response time to wait for a response. */ +#define KAD_R_PING 2 /* Ping retries before declaring peer dead. */ +#define KAD_QUEER 15 /* Time to declare peer questionable. */ +#define KAD_BETA 8 /* Bucket split factor, must be 1, 2, 4 or 8. */ +#define KAD_RESP_RETR 6 /* Number of retries on sending a response. */ +#define KAD_JOIN_RETR 8 /* Number of retries sending a join. */ +#define KAD_JOIN_INTV 1 /* Time (seconds) between join retries. */ +#define HANDLE_TIMEO 1000 /* Timeout for dht_handle_packet tpm check (ms) */ +#define DHT_RETR_ADDR 1 /* Number of addresses to return on retrieve */ enum dht_state { DHT_INIT = 0, @@ -247,7 +251,7 @@ struct join_info { uint64_t addr; }; -struct sdu_info { +struct packet_info { struct dht * dht; struct shm_du_buff * sdb; }; @@ -1485,7 +1489,7 @@ static int send_msg(struct dht * dht, kad_msg__pack(msg, shm_du_buff_head(sdb)); - if (dt_write_sdu(addr, QOS_CUBE_BE, dht->fd, sdb) == 0) + if (dt_write_packet(addr, QOS_CUBE_BE, dht->fd, sdb) == 0) break; ipcp_sdb_release(sdb); @@ -2396,7 +2400,7 @@ uint64_t dht_query(struct dht * dht, return 0; } -static void * dht_handle_sdu(void * o) +static void * dht_handle_packet(void * o) { struct dht * dht = (struct dht *) o; @@ -2580,8 +2584,8 @@ static void * dht_handle_sdu(void * o) return (void *) 0; } -static void dht_post_sdu(void * comp, - struct shm_du_buff * sdb) +static void dht_post_packet(void * comp, + struct shm_du_buff * sdb) { struct cmd * cmd; struct dht * dht = (struct dht *) comp; @@ -2796,19 +2800,19 @@ struct dht * dht_create(uint64_t addr) dht->addr = addr; dht->id = NULL; #ifndef __DHT_TEST__ - dht->tpm = tpm_create(2, 1, dht_handle_sdu, dht); + dht->tpm = tpm_create(2, 1, dht_handle_packet, dht); if (dht->tpm == NULL) goto fail_tpm_create; if (tpm_start(dht->tpm)) goto fail_tpm_start; - dht->fd = dt_reg_comp(dht, &dht_post_sdu, DHT); + dht->fd = dt_reg_comp(dht, &dht_post_packet, DHT); notifier_reg(handle_event, dht); #else (void) handle_event; - (void) dht_handle_sdu; - (void) dht_post_sdu; + (void) dht_handle_packet; + (void) dht_post_packet; #endif dht->state = DHT_INIT; diff --git a/src/ipcpd/normal/dir.c b/src/ipcpd/normal/dir.c index 345d220d..a195f016 100644 --- a/src/ipcpd/normal/dir.c +++ b/src/ipcpd/normal/dir.c @@ -20,7 +20,11 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else #define _POSIX_C_SOURCE 200112L +#endif #define OUROBOROS_PREFIX "directory" diff --git a/src/ipcpd/normal/dt.c b/src/ipcpd/normal/dt.c index b9d8934e..dc7343f1 100644 --- a/src/ipcpd/normal/dt.c +++ b/src/ipcpd/normal/dt.c @@ -20,15 +20,17 @@ * 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" #define DT "dt" #define OUROBOROS_PREFIX DT -/* FIXME: fix #defines and remove endian.h include. */ -#include <ouroboros/endian.h> #include <ouroboros/bitmap.h> #include <ouroboros/errno.h> #include <ouroboros/logs.h> @@ -42,10 +44,9 @@ #include "connmgr.h" #include "ipcp.h" #include "dt.h" -#include "dt_pci.h" #include "pff.h" #include "routing.h" -#include "sdu_sched.h" +#include "psched.h" #include "comp.h" #include "fa.h" @@ -64,13 +65,96 @@ #endif struct comp_info { - void (* post_sdu)(void * comp, struct shm_du_buff * sdb); + void (* post_packet)(void * comp, struct shm_du_buff * sdb); void * comp; char * name; }; +/* Abstract syntax */ +enum dtp_fields { + DTP_DST = 0, /* DST ADDRESS */ + DTP_QOS, /* QOS ID */ + DTP_DEID, /* DST Endpoint ID */ + DTP_TTL, /* TTL FIELD */ + DTP_NUM_FIELDS /* Number of fields */ +}; + +/* Fixed field lengths */ +#define TTL_LEN 1 +#define QOS_LEN 1 + +struct dt_pci { + uint64_t dst_addr; + qoscube_t qc; + uint8_t ttl; + uint32_t eid; +}; + +struct { + uint8_t addr_size; + uint8_t eid_size; + size_t head_size; + + /* Offsets */ + size_t qc_o; + size_t ttl_o; + size_t eid_o; + + /* Initial TTL value */ + uint8_t max_ttl; +} dt_pci_info; + +static int dt_pci_ser(struct shm_du_buff * sdb, + struct dt_pci * dt_pci) +{ + uint8_t * head; + uint8_t ttl = dt_pci_info.max_ttl; + + assert(sdb); + assert(dt_pci); + + head = shm_du_buff_head_alloc(sdb, dt_pci_info.head_size); + if (head == NULL) + return -EPERM; + + /* FIXME: Add check and operations for Big Endian machines. */ + memcpy(head, &dt_pci->dst_addr, dt_pci_info.addr_size); + memcpy(head + dt_pci_info.qc_o, &dt_pci->qc, QOS_LEN); + memcpy(head + dt_pci_info.ttl_o, &ttl, TTL_LEN); + memcpy(head + dt_pci_info.eid_o, &dt_pci->eid, dt_pci_info.eid_size); + + return 0; +} + +static void dt_pci_des(struct shm_du_buff * sdb, + struct dt_pci * dt_pci) +{ + uint8_t * head; + + assert(sdb); + assert(dt_pci); + + head = shm_du_buff_head(sdb); + + /* Decrease TTL */ + --*(head + dt_pci_info.ttl_o); + + /* FIXME: Add check and operations for Big Endian machines. */ + memcpy(&dt_pci->dst_addr, head, dt_pci_info.addr_size); + memcpy(&dt_pci->qc, head + dt_pci_info.qc_o, QOS_LEN); + memcpy(&dt_pci->ttl, head + dt_pci_info.ttl_o, TTL_LEN); + memcpy(&dt_pci->eid, head + dt_pci_info.eid_o, dt_pci_info.eid_size); +} + +static void dt_pci_shrink(struct shm_du_buff * sdb) +{ + assert(sdb); + + shm_du_buff_head_release(sdb, dt_pci_info.head_size); +} + struct { - struct sdu_sched * sdu_sched; + struct psched * psched; struct pff * pff[QOS_CUBE_MAX]; struct routing_i * routing[QOS_CUBE_MAX]; @@ -337,24 +421,25 @@ static void handle_event(void * self, #ifdef IPCP_FLOW_STATS stat_used(c->flow_info.fd, c->conn_info.addr); #endif - sdu_sched_add(dt.sdu_sched, c->flow_info.fd); - log_dbg("Added fd %d to SDU scheduler.", c->flow_info.fd); + psched_add(dt.psched, c->flow_info.fd); + log_dbg("Added fd %d to packet scheduler.", c->flow_info.fd); break; case NOTIFY_DT_CONN_DEL: #ifdef IPCP_FLOW_STATS stat_used(c->flow_info.fd, INVALID_ADDR); #endif - sdu_sched_del(dt.sdu_sched, c->flow_info.fd); - log_dbg("Removed fd %d from SDU scheduler.", c->flow_info.fd); + psched_del(dt.psched, c->flow_info.fd); + log_dbg("Removed fd %d from " + "packet scheduler.", c->flow_info.fd); break; default: break; } } -static void sdu_handler(int fd, - qoscube_t qc, - struct shm_du_buff * sdb) +static void packet_handler(int fd, + qoscube_t qc, + struct shm_du_buff * sdb) { struct dt_pci dt_pci; int ret; @@ -407,7 +492,7 @@ static void sdu_handler(int fd, ret = ipcp_flow_write(ofd, sdb); if (ret < 0) { - log_dbg("Failed to write SDU to fd %d.", ofd); + log_dbg("Failed to write packet to fd %d.", ofd); if (ret == -EFLOWDOWN) notifier_event(NOTIFY_DT_FLOW_DOWN, &ofd); ipcp_sdb_release(sdb); @@ -476,7 +561,7 @@ static void sdu_handler(int fd, return; } - if (dt.comps[dt_pci.eid].post_sdu == NULL) { + if (dt.comps[dt_pci.eid].post_packet == NULL) { log_err("No registered component on eid %d.", dt_pci.eid); ipcp_sdb_release(sdb); @@ -512,7 +597,8 @@ static void sdu_handler(int fd, pthread_mutex_unlock(&dt.stat[dt_pci.eid].lock); #endif - dt.comps[dt_pci.eid].post_sdu(dt.comps[dt_pci.eid].comp, sdb); + dt.comps[dt_pci.eid].post_packet(dt.comps[dt_pci.eid].comp, + sdb); } } @@ -555,10 +641,14 @@ int dt_init(enum pol_routing pr, info.pref_syntax = PROTO_FIXED; info.addr = ipcpi.dt_addr; - if (dt_pci_init(addr_size, eid_size, max_ttl)) { - log_err("Failed to init shm dt_pci."); - goto fail_pci_init; - } + dt_pci_info.addr_size = addr_size; + dt_pci_info.eid_size = eid_size; + dt_pci_info.max_ttl = max_ttl; + + dt_pci_info.qc_o = dt_pci_info.addr_size; + dt_pci_info.ttl_o = dt_pci_info.qc_o + QOS_LEN; + dt_pci_info.eid_o = dt_pci_info.ttl_o + TTL_LEN; + dt_pci_info.head_size = dt_pci_info.eid_o + dt_pci_info.eid_size; if (notifier_reg(handle_event, NULL)) { log_err("Failed to register with notifier."); @@ -642,8 +732,6 @@ int dt_init(enum pol_routing pr, fail_connmgr_comp_init: notifier_unreg(&handle_event); fail_notifier_reg: - dt_pci_fini(); - fail_pci_init: return -1; } @@ -671,21 +759,19 @@ void dt_fini(void) connmgr_comp_fini(COMPID_DT); notifier_unreg(&handle_event); - - dt_pci_fini(); } int dt_start(void) { - dt.sdu_sched = sdu_sched_create(sdu_handler); - if (dt.sdu_sched == NULL) { - log_err("Failed to create N-1 SDU scheduler."); + dt.psched = psched_create(packet_handler); + if (dt.psched == NULL) { + log_err("Failed to create N-1 packet scheduler."); return -1; } if (pthread_create(&dt.listener, NULL, dt_conn_handle, NULL)) { log_err("Failed to create listener thread."); - sdu_sched_destroy(dt.sdu_sched); + psched_destroy(dt.psched); return -1; } @@ -696,7 +782,7 @@ void dt_stop(void) { pthread_cancel(dt.listener); pthread_join(dt.listener, NULL); - sdu_sched_destroy(dt.sdu_sched); + psched_destroy(dt.psched); } int dt_reg_comp(void * comp, @@ -716,11 +802,11 @@ int dt_reg_comp(void * comp, return -EBADF; } - assert(dt.comps[res_fd].post_sdu == NULL); + assert(dt.comps[res_fd].post_packet == NULL); assert(dt.comps[res_fd].comp == NULL); assert(dt.comps[res_fd].name == NULL); - dt.comps[res_fd].post_sdu = func; + dt.comps[res_fd].post_packet = func; dt.comps[res_fd].comp = comp; dt.comps[res_fd].name = name; @@ -731,10 +817,10 @@ int dt_reg_comp(void * comp, return res_fd; } -int dt_write_sdu(uint64_t dst_addr, - qoscube_t qc, - int np1_fd, - struct shm_du_buff * sdb) +int dt_write_packet(uint64_t dst_addr, + qoscube_t qc, + int np1_fd, + struct shm_du_buff * sdb) { int fd; struct dt_pci dt_pci; @@ -779,7 +865,7 @@ int dt_write_sdu(uint64_t dst_addr, #endif ret = ipcp_flow_write(fd, sdb); if (ret < 0) { - log_dbg("Failed to write SDU to fd %d.", fd); + log_dbg("Failed to write packet to fd %d.", fd); if (ret == -EFLOWDOWN) notifier_event(NOTIFY_DT_FLOW_DOWN, &fd); goto fail_write; diff --git a/src/ipcpd/normal/dt.h b/src/ipcpd/normal/dt.h index e0bbe3f3..b74e84b0 100644 --- a/src/ipcpd/normal/dt.h +++ b/src/ipcpd/normal/dt.h @@ -24,10 +24,9 @@ #define OUROBOROS_IPCPD_NORMAL_DT_H #include <ouroboros/ipcp.h> +#include <ouroboros/qoscube.h> #include <ouroboros/shm_rdrbuff.h> -#include "dt_pci.h" - #define DT_COMP "Data Transfer" #define DT_PROTO "dtp" #define INVALID_ADDR 0 @@ -49,9 +48,9 @@ int dt_reg_comp(void * comp, void (* func)(void * comp, struct shm_du_buff * sdb), char * name); -int dt_write_sdu(uint64_t dst_addr, - qoscube_t qc, - int res_fd, - struct shm_du_buff * sdb); +int dt_write_packet(uint64_t dst_addr, + qoscube_t qc, + int res_fd, + struct shm_du_buff * sdb); #endif /* OUROBOROS_IPCPD_NORMAL_DT_H */ diff --git a/src/ipcpd/normal/dt_const.h b/src/ipcpd/normal/dt_const.h deleted file mode 100644 index fb005f06..00000000 --- a/src/ipcpd/normal/dt_const.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2018 - * - * Data Transfer Constants for the IPCP - * - * 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/. - */ - -#ifndef OUROBOROS_IPCPD_NORMAL_DT_CONST_H -#define OUROBOROS_IPCPD_NORMAL_DT_CONST_H - -#include <stdint.h> -#include <stdbool.h> - -struct dt_const { - uint8_t addr_size; - uint8_t cep_id_size; - uint8_t seqno_size; - bool has_ttl; - bool has_chk; - uint32_t min_pdu_size; - uint32_t max_pdu_size; -}; - -#endif /* OUROBOROS_IPCPD_NORMAL_DT_CONST_H */ diff --git a/src/ipcpd/normal/dt_pci.c b/src/ipcpd/normal/dt_pci.c deleted file mode 100644 index 76304668..00000000 --- a/src/ipcpd/normal/dt_pci.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2018 - * - * Protocol Control Information of Data Transfer 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/. - */ - -#include <ouroboros/errno.h> - -#include "dt_pci.h" - -#include <stdlib.h> -#include <string.h> -#include <assert.h> - -struct { - uint8_t addr_size; - uint8_t eid_size; - size_t head_size; - - /* Offsets */ - size_t qc_o; - size_t ttl_o; - size_t eid_o; - - /* Initial TTL value */ - uint8_t max_ttl; -} dt_pci_info; - -int dt_pci_init(uint8_t addr_size, - uint8_t eid_size, - uint8_t max_ttl) -{ - dt_pci_info.addr_size = addr_size; - dt_pci_info.eid_size = eid_size; - dt_pci_info.max_ttl = max_ttl; - - dt_pci_info.qc_o = dt_pci_info.addr_size; - dt_pci_info.ttl_o = dt_pci_info.qc_o + QOS_LEN; - dt_pci_info.eid_o = dt_pci_info.ttl_o + TTL_LEN; - dt_pci_info.head_size = dt_pci_info.eid_o + dt_pci_info.eid_size; - - return 0; -} - -void dt_pci_fini(void) { - return; -} - -int dt_pci_ser(struct shm_du_buff * sdb, - struct dt_pci * dt_pci) -{ - uint8_t * head; - uint8_t ttl = dt_pci_info.max_ttl; - - assert(sdb); - assert(dt_pci); - - head = shm_du_buff_head_alloc(sdb, dt_pci_info.head_size); - if (head == NULL) - return -EPERM; - - /* FIXME: Add check and operations for Big Endian machines. */ - memcpy(head, &dt_pci->dst_addr, dt_pci_info.addr_size); - memcpy(head + dt_pci_info.qc_o, &dt_pci->qc, QOS_LEN); - memcpy(head + dt_pci_info.ttl_o, &ttl, TTL_LEN); - memcpy(head + dt_pci_info.eid_o, &dt_pci->eid, dt_pci_info.eid_size); - - return 0; -} - -void dt_pci_des(struct shm_du_buff * sdb, - struct dt_pci * dt_pci) -{ - uint8_t * head; - - assert(sdb); - assert(dt_pci); - - head = shm_du_buff_head(sdb); - - /* Decrease TTL */ - --*(head + dt_pci_info.ttl_o); - - /* FIXME: Add check and operations for Big Endian machines. */ - memcpy(&dt_pci->dst_addr, head, dt_pci_info.addr_size); - memcpy(&dt_pci->qc, head + dt_pci_info.qc_o, QOS_LEN); - memcpy(&dt_pci->ttl, head + dt_pci_info.ttl_o, TTL_LEN); - memcpy(&dt_pci->eid, head + dt_pci_info.eid_o, dt_pci_info.eid_size); -} - -void dt_pci_shrink(struct shm_du_buff * sdb) -{ - assert(sdb); - - shm_du_buff_head_release(sdb, dt_pci_info.head_size); -} diff --git a/src/ipcpd/normal/dt_pci.h b/src/ipcpd/normal/dt_pci.h deleted file mode 100644 index 8022f84a..00000000 --- a/src/ipcpd/normal/dt_pci.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2018 - * - * Protocol Control Information of Data Transfer 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/. - */ - -#ifndef OUROBOROS_IPCPD_NORMAL_DT_PCI_H -#define OUROBOROS_IPCPD_NORMAL_DT_PCI_H - -#include <ouroboros/shm_du_buff.h> -#include <ouroboros/proto.h> -#include <ouroboros/qoscube.h> - -#include <stdint.h> -#include <stdbool.h> - -/* Abstract syntax */ -enum dtp_fields { - DTP_DST = 0, /* DST ADDRESS */ - DTP_QOS, /* QOS ID */ - DTP_DEID, /* DST Endpoint ID */ - DTP_TTL, /* TTL FIELD */ - DTP_NUM_FIELDS /* Number of fields */ -}; - -/* Fixed field lengths */ -#define TTL_LEN 1 -#define QOS_LEN 1 - -struct dt_pci { - uint64_t dst_addr; - qoscube_t qc; - uint8_t ttl; - uint32_t eid; -}; - -int dt_pci_init(uint8_t addr_size, - uint8_t eid_size, - uint8_t max_ttl); - -void dt_pci_fini(void); - -int dt_pci_ser(struct shm_du_buff * sdb, - struct dt_pci * dt_pci); - -void dt_pci_des(struct shm_du_buff * sdb, - struct dt_pci * dt_pci); - -void dt_pci_shrink(struct shm_du_buff * sdb); - -#endif /* OUROBOROS_IPCPD_NORMAL_DT_PCI_H */ diff --git a/src/ipcpd/normal/enroll.c b/src/ipcpd/normal/enroll.c index a321db2b..78305ff0 100644 --- a/src/ipcpd/normal/enroll.c +++ b/src/ipcpd/normal/enroll.c @@ -20,7 +20,11 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else #define _POSIX_C_SOURCE 199309L +#endif #define OUROBOROS_PREFIX "enrollment" diff --git a/src/ipcpd/normal/fa.c b/src/ipcpd/normal/fa.c index 067a6e73..027223b7 100644 --- a/src/ipcpd/normal/fa.c +++ b/src/ipcpd/normal/fa.c @@ -20,7 +20,11 @@ * 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" @@ -34,9 +38,8 @@ #include <ouroboros/ipcp-dev.h> #include "dir.h" -#include "dt_pci.h" #include "fa.h" -#include "sdu_sched.h" +#include "psched.h" #include "ipcp.h" #include "dt.h" @@ -54,8 +57,15 @@ struct fa_msg { uint32_t r_eid; uint32_t s_eid; uint8_t code; - uint8_t qc; int8_t response; + /* QoS parameters from spec, aligned */ + uint8_t availability; + uint8_t in_order; + uint32_t delay; + uint64_t bandwidth; + uint32_t loss; + uint32_t ber; + uint32_t max_gap; } __attribute__((packed)); struct { @@ -64,19 +74,19 @@ struct { uint64_t r_addr[PROG_MAX_FLOWS]; int fd; - struct sdu_sched * sdu_sched; + struct psched * psched; } fa; -static void sdu_handler(int fd, - qoscube_t qc, - struct shm_du_buff * sdb) +static void packet_handler(int fd, + qoscube_t qc, + struct shm_du_buff * sdb) { pthread_rwlock_rdlock(&fa.flows_lock); - if (dt_write_sdu(fa.r_addr[fd], qc, fa.r_eid[fd], sdb)) { + if (dt_write_packet(fa.r_addr[fd], qc, fa.r_eid[fd], sdb)) { pthread_rwlock_unlock(&fa.flows_lock); ipcp_sdb_release(sdb); - log_warn("Failed to forward SDU."); + log_warn("Failed to forward packet."); return; } @@ -89,7 +99,7 @@ static void destroy_conn(int fd) fa.r_addr[fd] = INVALID_ADDR; } -static void fa_post_sdu(void * comp, +static void fa_post_packet(void * comp, struct shm_du_buff * sdb) { struct timespec ts = {0, TIMEOUT * 1000}; @@ -97,6 +107,7 @@ static void fa_post_sdu(void * comp, int fd; uint8_t * buf; struct fa_msg * msg; + qosspec_t qs; (void) comp; @@ -139,10 +150,18 @@ static void fa_post_sdu(void * comp, assert(ipcpi.alloc_id == -1); + qs.delay = ntoh32(msg->delay); + qs.bandwidth = ntoh64(msg->bandwidth); + qs.availability = msg->availability; + qs.loss = ntoh32(msg->loss); + qs.ber = ntoh32(msg->ber); + qs.in_order = msg->in_order; + qs.max_gap = ntoh32(msg->max_gap); + fd = ipcp_flow_req_arr(getpid(), (uint8_t *) (msg + 1), ipcp_dir_hash_len(), - msg->qc); + qs); if (fd < 0) { pthread_mutex_unlock(&ipcpi.alloc_lock); log_err("Failed to get fd for flow."); @@ -152,8 +171,8 @@ static void fa_post_sdu(void * comp, pthread_rwlock_wrlock(&fa.flows_lock); - fa.r_eid[fd] = msg->s_eid; - fa.r_addr[fd] = msg->s_addr; + fa.r_eid[fd] = ntoh32(msg->s_eid); + fa.r_addr[fd] = ntoh64(msg->s_addr); pthread_rwlock_unlock(&fa.flows_lock); @@ -166,14 +185,14 @@ static void fa_post_sdu(void * comp, case FLOW_REPLY: pthread_rwlock_wrlock(&fa.flows_lock); - fa.r_eid[msg->r_eid] = msg->s_eid; + fa.r_eid[ntoh32(msg->r_eid)] = ntoh32(msg->s_eid); - ipcp_flow_alloc_reply(msg->r_eid, msg->response); + ipcp_flow_alloc_reply(ntoh32(msg->r_eid), msg->response); if (msg->response < 0) - destroy_conn(msg->r_eid); + destroy_conn(ntoh32(msg->r_eid)); else - sdu_sched_add(fa.sdu_sched, msg->r_eid); + psched_add(fa.psched, ntoh32(msg->r_eid)); pthread_rwlock_unlock(&fa.flows_lock); @@ -196,7 +215,7 @@ int fa_init(void) if (pthread_rwlock_init(&fa.flows_lock, NULL)) return -1; - fa.fd = dt_reg_comp(&fa, &fa_post_sdu, FA); + fa.fd = dt_reg_comp(&fa, &fa_post_packet, FA); return 0; } @@ -208,9 +227,9 @@ void fa_fini(void) int fa_start(void) { - fa.sdu_sched = sdu_sched_create(sdu_handler); - if (fa.sdu_sched == NULL) { - log_err("Failed to create SDU scheduler."); + fa.psched = psched_create(packet_handler); + if (fa.psched == NULL) { + log_err("Failed to create packet scheduler."); return -1; } @@ -219,16 +238,17 @@ int fa_start(void) void fa_stop(void) { - sdu_sched_destroy(fa.sdu_sched); + psched_destroy(fa.psched); } int fa_alloc(int fd, const uint8_t * dst, - qoscube_t qc) + qosspec_t qs) { struct fa_msg * msg; uint64_t addr; struct shm_du_buff * sdb; + qoscube_t qc; addr = dir_query(dst); if (addr == 0) @@ -237,15 +257,23 @@ int fa_alloc(int fd, if (ipcp_sdb_reserve(&sdb, sizeof(*msg) + ipcp_dir_hash_len())) return -1; - msg = (struct fa_msg *) shm_du_buff_head(sdb); - msg->code = FLOW_REQ; - msg->qc = qc; - msg->s_eid = fd; - msg->s_addr = ipcpi.dt_addr; + msg = (struct fa_msg *) shm_du_buff_head(sdb); + msg->code = FLOW_REQ; + msg->s_eid = hton32(fd); + msg->s_addr = hton64(ipcpi.dt_addr); + msg->delay = hton32(qs.delay); + msg->bandwidth = hton64(qs.bandwidth); + msg->availability = qs.availability; + msg->loss = hton32(qs.loss); + msg->ber = hton32(qs.ber); + msg->in_order = qs.in_order; + msg->max_gap = hton32(qs.max_gap); memcpy(msg + 1, dst, ipcp_dir_hash_len()); - if (dt_write_sdu(addr, qc, fa.fd, sdb)) { + qc = qos_spec_to_cube(qs); + + if (dt_write_packet(addr, qc, fa.fd, sdb)) { ipcp_sdb_release(sdb); return -1; } @@ -299,22 +327,22 @@ int fa_alloc_resp(int fd, msg = (struct fa_msg *) shm_du_buff_head(sdb); msg->code = FLOW_REPLY; - msg->r_eid = fa.r_eid[fd]; - msg->s_eid = fd; + msg->r_eid = hton32(fa.r_eid[fd]); + msg->s_eid = hton32(fd); msg->response = response; if (response < 0) { destroy_conn(fd); ipcp_sdb_release(sdb); } else { - sdu_sched_add(fa.sdu_sched, fd); + psched_add(fa.psched, fd); } ipcp_flow_get_qoscube(fd, &qc); assert(qc >= 0 && qc < QOS_CUBE_MAX); - if (dt_write_sdu(fa.r_addr[fd], qc, fa.fd, sdb)) { + if (dt_write_packet(fa.r_addr[fd], qc, fa.fd, sdb)) { destroy_conn(fd); pthread_rwlock_unlock(&fa.flows_lock); ipcp_sdb_release(sdb); @@ -332,7 +360,7 @@ int fa_dealloc(int fd) pthread_rwlock_wrlock(&fa.flows_lock); - sdu_sched_del(fa.sdu_sched, fd); + psched_del(fa.psched, fd); destroy_conn(fd); diff --git a/src/ipcpd/normal/fa.h b/src/ipcpd/normal/fa.h index 87819d6f..6a836e17 100644 --- a/src/ipcpd/normal/fa.h +++ b/src/ipcpd/normal/fa.h @@ -23,7 +23,7 @@ #ifndef OUROBOROS_IPCPD_NORMAL_FA_H #define OUROBOROS_IPCPD_NORMAL_FA_H -#include <ouroboros/qoscube.h> +#include <ouroboros/qos.h> #include <ouroboros/utils.h> int fa_init(void); @@ -36,7 +36,7 @@ void fa_stop(void); int fa_alloc(int fd, const uint8_t * dst, - qoscube_t qos); + qosspec_t qs); int fa_alloc_resp(int fd, int response); diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c index b131bbb6..3f05f421 100644 --- a/src/ipcpd/normal/main.c +++ b/src/ipcpd/normal/main.c @@ -20,7 +20,11 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else #define _POSIX_C_SOURCE 200809L +#endif #include "config.h" diff --git a/src/ipcpd/normal/pol/flat.c b/src/ipcpd/normal/pol/flat.c index cab74159..89b7fff6 100644 --- a/src/ipcpd/normal/pol/flat.c +++ b/src/ipcpd/normal/pol/flat.c @@ -20,7 +20,11 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else #define _POSIX_C_SOURCE 200112L +#endif #define OUROBOROS_PREFIX "flat-addr-auth" diff --git a/src/ipcpd/normal/pol/graph.c b/src/ipcpd/normal/pol/graph.c index f3c053ab..ec0917c5 100644 --- a/src/ipcpd/normal/pol/graph.c +++ b/src/ipcpd/normal/pol/graph.c @@ -20,7 +20,11 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else #define _POSIX_C_SOURCE 200112L +#endif #define OUROBOROS_PREFIX "graph" @@ -547,27 +551,6 @@ static int graph_routing_table_simple(struct graph * graph, return -1; } -int graph_routing_table(struct graph * graph, - uint64_t s_addr, - struct list_head * table) -{ - int ret = 0; - int * dist; - - assert(graph); - assert(table); - - pthread_mutex_lock(&graph->lock); - - ret = graph_routing_table_simple(graph, s_addr, table, &dist); - - free(dist); - - pthread_mutex_unlock(&graph->lock); - - return ret; -} - static int add_lfa_to_table(struct list_head * table, uint64_t addr, uint64_t lfa) @@ -595,9 +578,10 @@ static int add_lfa_to_table(struct list_head * table, return -1; } -int graph_routing_table_lfa(struct graph * graph, - uint64_t s_addr, - struct list_head * table) +int graph_routing_table(struct graph * graph, + enum routing_algo algo, + uint64_t s_addr, + struct list_head * table) { int * s_dist; int * n_dist[PROG_MAX_FLOWS]; @@ -617,66 +601,82 @@ int graph_routing_table_lfa(struct graph * graph, pthread_mutex_lock(&graph->lock); - for (j = 0; j < PROG_MAX_FLOWS; j++) { - n_dist[j] = NULL; - n_index[j] = -1; - addrs[j] = -1; - } - /* Get the normal next hops routing table. */ if (graph_routing_table_simple(graph, s_addr, table, &s_dist)) goto fail_table_simple; - list_for_each(p, &graph->vertices) { - v = list_entry(p, struct vertex, next); + /* Possibly augment the routing table. */ + switch (algo) { + case ROUTING_SIMPLE: + break; + case ROUTING_LFA: + for (j = 0; j < PROG_MAX_FLOWS; j++) { + n_dist[j] = NULL; + n_index[j] = -1; + addrs[j] = -1; + } - if (v->addr != s_addr) - continue; + list_for_each(p, &graph->vertices) { + v = list_entry(p, struct vertex, next); - /* Get the distances for every neighbor of the source. */ - list_for_each(q, &v->edges) { - e = list_entry(q, struct edge, next); + if (v->addr != s_addr) + continue; - addrs[i] = e->nb->addr; - n_index[i] = e->nb->index; - if (dijkstra(graph, e->nb->addr, - &nhops, &(n_dist[i++]))) - goto fail_dijkstra; + /* + * Get the distances for every neighbor + * of the source. + */ + list_for_each(q, &v->edges) { + e = list_entry(q, struct edge, next); - free(nhops); - } + addrs[i] = e->nb->addr; + n_index[i] = e->nb->index; + if (dijkstra(graph, e->nb->addr, + &nhops, &(n_dist[i++]))) + goto fail_dijkstra; - break; - } + free(nhops); + } - /* Loop though all nodes to see if we have a LFA for them. */ - list_for_each(p, &graph->vertices) { - v = list_entry(p, struct vertex, next); + break; + } - if (v->addr == s_addr) - continue; + /* Loop though all nodes to see if we have a LFA for them. */ + list_for_each(p, &graph->vertices) { + v = list_entry(p, struct vertex, next); - /* - * Check for every neighbor if dist(neighbor, destination) < - * dist(neighbor, source) + dist(source, destination). - */ - for (j = 0; j < i; j++) { - /* Exclude ourselves. */ - if (addrs[j] == v->addr) + if (v->addr == s_addr) continue; - if (n_dist[j][v->index] < - s_dist[n_index[j]] + s_dist[v->index]) - if (add_lfa_to_table(table, v->addr, addrs[j])) - goto fail_add_lfa; + /* + * Check for every neighbor if + * dist(neighbor, destination) < + * dist(neighbor, source) + dist(source, destination). + */ + for (j = 0; j < i; j++) { + /* Exclude ourselves. */ + if (addrs[j] == v->addr) + continue; + + if (n_dist[j][v->index] < + s_dist[n_index[j]] + s_dist[v->index]) + if (add_lfa_to_table(table, v->addr, + addrs[j])) + goto fail_add_lfa; + } } + + for (j = 0; j < i; j++) + free(n_dist[j]); + + break; + default: + log_err("Unsupported algorithm."); + goto fail_algo; } pthread_mutex_unlock(&graph->lock); - for (j = 0; j < i; j++) - free(n_dist[j]); - free(s_dist); return 0; @@ -686,6 +686,7 @@ int graph_routing_table_lfa(struct graph * graph, free(n_dist[k]); fail_dijkstra: free_routing_table(table); + fail_algo: free(s_dist); fail_table_simple: pthread_mutex_unlock(&graph->lock); diff --git a/src/ipcpd/normal/pol/graph.h b/src/ipcpd/normal/pol/graph.h index 13657fd0..7cd14ad6 100644 --- a/src/ipcpd/normal/pol/graph.h +++ b/src/ipcpd/normal/pol/graph.h @@ -28,6 +28,11 @@ #include <inttypes.h> +enum routing_algo { + ROUTING_SIMPLE = 0, + ROUTING_LFA +}; + struct nhop { struct list_head next; uint64_t nhop; @@ -53,13 +58,10 @@ int graph_del_edge(struct graph * graph, uint64_t d_addr); int graph_routing_table(struct graph * graph, + enum routing_algo algo, uint64_t s_addr, struct list_head * table); -int graph_routing_table_lfa(struct graph * graph, - uint64_t s_addr, - struct list_head * table); - void graph_free_routing_table(struct graph * graph, struct list_head * table); diff --git a/src/ipcpd/normal/pol/link_state.c b/src/ipcpd/normal/pol/link_state.c index 1c418ffc..e2e9eab5 100644 --- a/src/ipcpd/normal/pol/link_state.c +++ b/src/ipcpd/normal/pol/link_state.c @@ -20,7 +20,11 @@ * 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" @@ -101,30 +105,26 @@ struct nb { enum nb_type type; }; -typedef int (* rtable_fn_t)(struct graph * graph, - uint64_t s_addr, - struct list_head * table); - struct { - struct list_head nbs; - size_t nbs_len; - fset_t * mgmt_set; + struct list_head nbs; + size_t nbs_len; + fset_t * mgmt_set; - struct list_head db; - size_t db_len; + struct list_head db; + size_t db_len; - pthread_rwlock_t db_lock; + pthread_rwlock_t db_lock; - struct graph * graph; + struct graph * graph; - pthread_t lsupdate; - pthread_t lsreader; - pthread_t listener; + pthread_t lsupdate; + pthread_t lsreader; + pthread_t listener; - struct list_head routing_instances; - pthread_mutex_t routing_i_lock; + struct list_head routing_instances; + pthread_mutex_t routing_i_lock; - rtable_fn_t rtable; + enum routing_algo routing_algo; } ls; struct pol_routing_ops link_state_ops = { @@ -500,7 +500,8 @@ static void calculate_pff(struct routing_i * instance) struct list_head * q; int fds[PROG_MAX_FLOWS]; - if (ls.rtable(ls.graph, ipcpi.dt_addr, &table)) + if (graph_routing_table(ls.graph, ls.routing_algo, + ipcpi.dt_addr, &table)) return; pff_lock(instance->pff); @@ -902,11 +903,11 @@ int link_state_init(enum pol_routing pr) switch (pr) { case ROUTING_LINK_STATE: log_dbg("Using link state routing policy."); - ls.rtable = graph_routing_table; + ls.routing_algo = ROUTING_SIMPLE; break; case ROUTING_LINK_STATE_LFA: log_dbg("Using Loop-Free Alternates policy."); - ls.rtable = graph_routing_table_lfa; + ls.routing_algo = ROUTING_LFA; break; default: goto fail_graph; diff --git a/src/ipcpd/normal/pol/tests/graph_test.c b/src/ipcpd/normal/pol/tests/graph_test.c index d226398c..8050f73a 100644 --- a/src/ipcpd/normal/pol/tests/graph_test.c +++ b/src/ipcpd/normal/pol/tests/graph_test.c @@ -39,7 +39,7 @@ int graph_test_entries(int entries) struct list_head * p; int i = 0; - if (graph_routing_table(graph, 1, &table)) { + if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) { printf("Failed to get routing table.\n"); return -1; } @@ -63,7 +63,7 @@ int graph_test_double_link(void) struct list_head * p; int i = 0; - if (graph_routing_table(graph, 1, &table)) { + if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) { printf("Failed to get routing table.\n"); return -1; } @@ -101,7 +101,7 @@ int graph_test_single_link(void) struct list_head * p; int i = 0; - if (graph_routing_table(graph, 1, &table)) { + if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) { printf("Failed to get routing table.\n"); return -1; } @@ -243,7 +243,7 @@ int graph_test(int argc, return -1; } - if (graph_routing_table(graph, 1, &table)) { + if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) { printf("Failed to get routing table.\n"); return -1; } diff --git a/src/ipcpd/normal/sdu_sched.c b/src/ipcpd/normal/psched.c index 6ce18ed5..27e5f1de 100644 --- a/src/ipcpd/normal/sdu_sched.c +++ b/src/ipcpd/normal/psched.c @@ -1,7 +1,7 @@ /* * Ouroboros - Copyright (C) 2016 - 2018 * - * SDU scheduler component + * Packet scheduler component * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> @@ -20,7 +20,11 @@ * 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" @@ -28,7 +32,7 @@ #include <ouroboros/notifier.h> #include "ipcp.h" -#include "sdu_sched.h" +#include "psched.h" #include "connmgr.h" #include <assert.h> @@ -45,15 +49,15 @@ static int qos_prio [] = { 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 psched { + fset_t * set[QOS_CUBE_MAX]; + next_packet_fn_t callback; + pthread_t readers[QOS_CUBE_MAX * IPCP_SCHED_THR_MUL]; }; struct sched_info { - struct sdu_sched * sch; - qoscube_t qc; + struct psched * sch; + qoscube_t qc; }; static void cleanup_reader(void * o) @@ -61,13 +65,13 @@ static void cleanup_reader(void * o) fqueue_destroy((fqueue_t *) o); } -static void * sdu_reader(void * o) +static void * packet_reader(void * o) { - struct sdu_sched * sched; - struct shm_du_buff * sdb; - int fd; - fqueue_t * fq; - qoscube_t qc; + struct psched * 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; @@ -115,26 +119,26 @@ static void * sdu_reader(void * o) return (void *) 0; } -struct sdu_sched * sdu_sched_create(next_sdu_fn_t callback) +struct psched * psched_create(next_packet_fn_t callback) { - struct sdu_sched * sdu_sched; - struct sched_info * infos[QOS_CUBE_MAX * IPCP_SCHED_THR_MUL]; - int i; - int j; + struct psched * psched; + 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) + psched = malloc(sizeof(*psched)); + if (psched == NULL) goto fail_malloc; - sdu_sched->callback = callback; + psched->callback = callback; for (i = 0; i < QOS_CUBE_MAX; ++i) { - sdu_sched->set[i] = fset_create(); - if (sdu_sched->set[i] == NULL) { + psched->set[i] = fset_create(); + if (psched->set[i] == NULL) { for (j = 0; j < i; ++j) - fset_destroy(sdu_sched->set[j]); + fset_destroy(psched->set[j]); goto fail_flow_set; } } @@ -146,17 +150,17 @@ struct sdu_sched * sdu_sched_create(next_sdu_fn_t callback) free(infos[j]); goto fail_infos; } - infos[i]->sch = sdu_sched; + infos[i]->sch = psched; 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])) { + if (pthread_create(&psched->readers[i], NULL, + packet_reader, infos[i])) { for (j = 0; j < i; ++j) - pthread_cancel(sdu_sched->readers[j]); + pthread_cancel(psched->readers[j]); for (j = 0; j < i; ++j) - pthread_join(sdu_sched->readers[j], NULL); + pthread_join(psched->readers[j], NULL); for (j = i; j < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++j) free(infos[i]); goto fail_infos; @@ -177,61 +181,61 @@ struct sdu_sched * sdu_sched_create(next_sdu_fn_t callback) par.sched_priority = min + (qos_prio[i % QOS_CUBE_MAX] * (max - min) / 99); - if (pthread_setschedparam(sdu_sched->readers[i], pol, &par)) + if (pthread_setschedparam(psched->readers[i], pol, &par)) goto fail_sched; } - return sdu_sched; + return psched; fail_sched: for (j = 0; j < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++j) - pthread_cancel(sdu_sched->readers[j]); + pthread_cancel(psched->readers[j]); for (j = 0; j < QOS_CUBE_MAX * IPCP_SCHED_THR_MUL; ++j) - pthread_join(sdu_sched->readers[j], NULL); + pthread_join(psched->readers[j], NULL); fail_infos: for (j = 0; j < QOS_CUBE_MAX; ++j) - fset_destroy(sdu_sched->set[j]); + fset_destroy(psched->set[j]); fail_flow_set: - free(sdu_sched); + free(psched); fail_malloc: return NULL; } -void sdu_sched_destroy(struct sdu_sched * sdu_sched) +void psched_destroy(struct psched * psched) { int i; - assert(sdu_sched); + assert(psched); 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); + pthread_cancel(psched->readers[i]); + pthread_join(psched->readers[i], NULL); } for (i = 0; i < QOS_CUBE_MAX; ++i) - fset_destroy(sdu_sched->set[i]); + fset_destroy(psched->set[i]); - free(sdu_sched); + free(psched); } -void sdu_sched_add(struct sdu_sched * sdu_sched, - int fd) +void psched_add(struct psched * psched, + int fd) { qoscube_t qc; - assert(sdu_sched); + assert(psched); ipcp_flow_get_qoscube(fd, &qc); - fset_add(sdu_sched->set[qc], fd); + fset_add(psched->set[qc], fd); } -void sdu_sched_del(struct sdu_sched * sdu_sched, - int fd) +void psched_del(struct psched * psched, + int fd) { qoscube_t qc; - assert(sdu_sched); + assert(psched); ipcp_flow_get_qoscube(fd, &qc); - fset_del(sdu_sched->set[qc], fd); + fset_del(psched->set[qc], fd); } diff --git a/src/ipcpd/normal/sdu_sched.h b/src/ipcpd/normal/psched.h index cdbda272..137c8fd1 100644 --- a/src/ipcpd/normal/sdu_sched.h +++ b/src/ipcpd/normal/psched.h @@ -1,7 +1,7 @@ /* * Ouroboros - Copyright (C) 2016 - 2018 * - * SDU scheduler component + * Packet scheduler component * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> @@ -20,24 +20,24 @@ * Foundation, Inc., http://www.fsf.org/about/contact/. */ -#ifndef OUROBOROS_IPCPD_NORMAL_SDU_SCHED_H -#define OUROBOROS_IPCPD_NORMAL_SDU_SCHED_H +#ifndef OUROBOROS_IPCPD_NORMAL_PSCHED_H +#define OUROBOROS_IPCPD_NORMAL_PSCHED_H #include <ouroboros/ipcp-dev.h> #include <ouroboros/fqueue.h> -typedef void (* next_sdu_fn_t)(int fd, - qoscube_t qc, - struct shm_du_buff * sdb); +typedef void (* next_packet_fn_t)(int fd, + qoscube_t qc, + struct shm_du_buff * sdb); -struct sdu_sched * sdu_sched_create(next_sdu_fn_t callback); +struct psched * psched_create(next_packet_fn_t callback); -void sdu_sched_destroy(struct sdu_sched * sdu_sched); +void psched_destroy(struct psched * psched); -void sdu_sched_add(struct sdu_sched * sdu_sched, - int fd); +void psched_add(struct psched * psched, + int fd); -void sdu_sched_del(struct sdu_sched * sdu_sched, - int fd); +void psched_del(struct psched * psched, + int fd); -#endif /* OUROBOROS_IPCPD_NORMAL_SDU_SCHED_H */ +#endif /* OUROBOROS_IPCPD_NORMAL_PSCHED_H */ |