diff options
Diffstat (limited to 'src/ipcpd/normal')
| -rw-r--r-- | src/ipcpd/normal/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/ipcpd/normal/connmgr.c | 1 | ||||
| -rw-r--r-- | src/ipcpd/normal/dt.c | 24 | ||||
| -rw-r--r-- | src/ipcpd/normal/dt.h | 10 | ||||
| -rw-r--r-- | src/ipcpd/normal/dt_pci.c | 12 | ||||
| -rw-r--r-- | src/ipcpd/normal/dt_pci.h | 7 | ||||
| -rw-r--r-- | src/ipcpd/normal/fa.c | 134 | ||||
| -rw-r--r-- | src/ipcpd/normal/fa.h | 5 | ||||
| -rw-r--r-- | src/ipcpd/normal/flow_alloc.proto | 4 | ||||
| -rw-r--r-- | src/ipcpd/normal/frct.c | 340 | ||||
| -rw-r--r-- | src/ipcpd/normal/frct.h | 56 | ||||
| -rw-r--r-- | src/ipcpd/normal/frct_pci.c | 102 | ||||
| -rw-r--r-- | src/ipcpd/normal/frct_pci.h | 47 | ||||
| -rw-r--r-- | src/ipcpd/normal/main.c | 55 | ||||
| -rw-r--r-- | src/ipcpd/normal/pol/complete.c | 1 |
15 files changed, 91 insertions, 709 deletions
diff --git a/src/ipcpd/normal/CMakeLists.txt b/src/ipcpd/normal/CMakeLists.txt index 3f0f2612..984ebd3d 100644 --- a/src/ipcpd/normal/CMakeLists.txt +++ b/src/ipcpd/normal/CMakeLists.txt @@ -26,8 +26,6 @@ set(SOURCE_FILES dt_pci.c enroll.c fa.c - frct.c - frct_pci.c gam.c graph.c main.c diff --git a/src/ipcpd/normal/connmgr.c b/src/ipcpd/normal/connmgr.c index 56fe9164..00af3db4 100644 --- a/src/ipcpd/normal/connmgr.c +++ b/src/ipcpd/normal/connmgr.c @@ -32,7 +32,6 @@ #include "ae.h" #include "connmgr.h" #include "enroll.h" -#include "frct.h" #include "ipcp.h" #include "ribmgr.h" diff --git a/src/ipcpd/normal/dt.c b/src/ipcpd/normal/dt.c index 4e0ba51d..33070fa2 100644 --- a/src/ipcpd/normal/dt.c +++ b/src/ipcpd/normal/dt.c @@ -36,7 +36,6 @@ #include "gam.h" #include "routing.h" #include "sdu_sched.h" -#include "frct.h" #include "ae.h" #include "ribconfig.h" #include "fa.h" @@ -113,19 +112,21 @@ static int sdu_handler(int fd, } else { dt_pci_shrink(sdb); - switch (dt_pci.pdu_type) { - case PDU_TYPE_FRCT: - if (frct_post_sdu(sdb)) { + if (dt_pci.fd > AP_RES_FDS) { + if (ipcp_flow_write(dt_pci.fd, sdb)) { ipcp_sdb_release(sdb); return -1; } - break; - case PDU_TYPE_FA: + return 0; + } + + switch (dt_pci.fd) { + case FD_FA: if (fa_post_sdu(sdb)) { ipcp_sdb_release(sdb); return -1; } - break; + return 0; default: log_err("Unknown PDU type received."); ipcp_sdb_release(sdb); @@ -133,6 +134,7 @@ static int sdu_handler(int fd, } } + /* silence compiler */ return 0; } @@ -150,7 +152,7 @@ int dt_init(void) memset(&info, 0, sizeof(info)); strcpy(info.ae_name, DT_AE); - strcpy(info.protocol, FRCT_PROTO); + strcpy(info.protocol, DT_PROTO); info.pref_version = 1; info.pref_syntax = PROTO_FIXED; info.addr = ipcpi.dt_addr; @@ -265,7 +267,7 @@ void dt_stop(void) int dt_write_sdu(uint64_t dst_addr, qoscube_t qc, - uint8_t pdu_type, + int np1_fd, struct shm_du_buff * sdb) { int fd; @@ -280,8 +282,8 @@ int dt_write_sdu(uint64_t dst_addr, } dt_pci.dst_addr = dst_addr; - dt_pci.qc = qc; - dt_pci.pdu_type = pdu_type; + dt_pci.qc = qc; + dt_pci.fd = np1_fd; if (dt_pci_ser(sdb, &dt_pci)) { log_err("Failed to serialize PDU."); diff --git a/src/ipcpd/normal/dt.h b/src/ipcpd/normal/dt.h index ec59d592..b7b3f7c6 100644 --- a/src/ipcpd/normal/dt.h +++ b/src/ipcpd/normal/dt.h @@ -27,6 +27,14 @@ #include "dt_pci.h" +#define INVALID_ADDR 0 + +#define DT_PROTO "dt" +#define FD_FA 1 +#define FD_DHT 2 + +typedef uint32_t dt_cep_id_t; + int dt_init(void); void dt_fini(void); @@ -37,7 +45,7 @@ void dt_stop(void); int dt_write_sdu(uint64_t dst_addr, qoscube_t qc, - uint8_t pdu_type, + int np1_fd, struct shm_du_buff * sdb); #endif /* OUROBOROS_IPCPD_NORMAL_DT_H */ diff --git a/src/ipcpd/normal/dt_pci.c b/src/ipcpd/normal/dt_pci.c index 39dde46b..9f3b9a91 100644 --- a/src/ipcpd/normal/dt_pci.c +++ b/src/ipcpd/normal/dt_pci.c @@ -47,7 +47,7 @@ struct { /* offsets */ size_t qc_o; size_t ttl_o; - size_t type_o; + size_t fd_o; } dt_pci_info; int dt_pci_init(void) @@ -67,11 +67,11 @@ int dt_pci_init(void) dt_pci_info.qc_o = dt_pci_info.dtc.addr_size; dt_pci_info.ttl_o = dt_pci_info.qc_o + QC_SIZE; if (dt_pci_info.dtc.has_ttl) - dt_pci_info.type_o = dt_pci_info.ttl_o + TTL_SIZE; + dt_pci_info.fd_o = dt_pci_info.ttl_o + TTL_SIZE; else - dt_pci_info.type_o = dt_pci_info.ttl_o; + dt_pci_info.fd_o = dt_pci_info.ttl_o; - dt_pci_info.head_size = dt_pci_info.type_o + PDU_TYPE_SIZE; + dt_pci_info.head_size = dt_pci_info.fd_o + PDU_TYPE_SIZE; dt_pci_info.tail_size = dt_pci_info.dtc.has_chk ? CHK_SIZE : 0; return 0; @@ -100,7 +100,7 @@ int dt_pci_ser(struct shm_du_buff * sdb, memcpy(head + dt_pci_info.qc_o, &dt_pci->qc, QC_SIZE); if (dt_pci_info.dtc.has_ttl) memcpy(head + dt_pci_info.ttl_o, &ttl, TTL_SIZE); - memcpy(head + dt_pci_info.type_o, &dt_pci->pdu_type, PDU_TYPE_SIZE); + memcpy(head + dt_pci_info.fd_o, &dt_pci->fd, PDU_TYPE_SIZE); if (dt_pci_info.dtc.has_chk) { tail = shm_du_buff_tail_alloc(sdb, dt_pci_info.tail_size); @@ -137,7 +137,7 @@ void dt_pci_des(struct shm_du_buff * sdb, dt_pci->ttl = 1; } - memcpy(&dt_pci->pdu_type, head + dt_pci_info.type_o, PDU_TYPE_SIZE); + memcpy(&dt_pci->fd, head + dt_pci_info.fd_o, PDU_TYPE_SIZE); } void dt_pci_shrink(struct shm_du_buff * sdb) diff --git a/src/ipcpd/normal/dt_pci.h b/src/ipcpd/normal/dt_pci.h index bec21188..280956f4 100644 --- a/src/ipcpd/normal/dt_pci.h +++ b/src/ipcpd/normal/dt_pci.h @@ -26,16 +26,11 @@ #include <ouroboros/shm_du_buff.h> #include <ouroboros/shared.h> -#define PDU_TYPE_FA 0x40 -#define PDU_TYPE_FRCT 0x80 - -#define INVALID_ADDR 0 - struct dt_pci { uint64_t dst_addr; qoscube_t qc; uint8_t ttl; - uint8_t pdu_type; + uint32_t fd; }; int dt_pci_init(void); diff --git a/src/ipcpd/normal/fa.c b/src/ipcpd/normal/fa.c index 3aa2634a..d6c36a17 100644 --- a/src/ipcpd/normal/fa.c +++ b/src/ipcpd/normal/fa.c @@ -48,8 +48,8 @@ typedef FlowAllocMsg flow_alloc_msg_t; struct { pthread_rwlock_t flows_lock; - cep_id_t fd_to_cep_id[AP_MAX_FLOWS]; - int cep_id_to_fd[IPCPD_MAX_CONNS]; + int r_fd[AP_MAX_FLOWS]; + uint64_t r_addr[AP_MAX_FLOWS]; struct sdu_sched * sdu_sched; } fa; @@ -58,14 +58,12 @@ static int sdu_handler(int fd, qoscube_t qc, struct shm_du_buff * sdb) { - (void) qc; - pthread_rwlock_rdlock(&fa.flows_lock); - if (frct_i_write_sdu(fa.fd_to_cep_id[fd], sdb)) { + if (dt_write_sdu(fa.r_addr[fd], qc, fa.r_fd[fd], sdb)) { pthread_rwlock_unlock(&fa.flows_lock); ipcp_sdb_release(sdb); - log_warn("Failed to hand SDU to FRCT."); + log_warn("Failed to forward SDU."); return -1; } @@ -74,15 +72,18 @@ static int sdu_handler(int fd, return 0; } +static void destroy_conn(int fd) +{ + fa.r_fd[fd] = -1; + fa.r_addr[fd] = INVALID_ADDR; +} + int fa_init(void) { int i; for (i = 0; i < AP_MAX_FLOWS; ++i) - fa.fd_to_cep_id[i] = INVALID_CEP_ID; - - for (i = 0; i < IPCPD_MAX_CONNS; ++i) - fa.cep_id_to_fd[i] = -1; + destroy_conn(i); if (pthread_rwlock_init(&fa.flows_lock, NULL)) return -1; @@ -128,20 +129,10 @@ static struct shm_du_buff * create_fa_sdb(flow_alloc_msg_t * msg) return sdb; } -/* FIXME: Revise when Delta-t is fully implemented */ -static void destroy_conn(int fd, - cep_id_t cep_id) -{ - fa.fd_to_cep_id[fd] = INVALID_CEP_ID; - fa.cep_id_to_fd[cep_id] = -1; - frct_i_destroy(cep_id); -} - int fa_alloc(int fd, const uint8_t * dst, qoscube_t qc) { - cep_id_t cep_id; flow_alloc_msg_t msg = FLOW_ALLOC_MSG__INIT; char path[RIB_MAX_PATH_LEN + 1]; uint64_t addr; @@ -185,38 +176,30 @@ int fa_alloc(int fd, if (rib_read(path, &addr, sizeof(addr)) != sizeof(addr)) return -1; - cep_id = frct_i_create(addr, qc); - if (cep_id == INVALID_CEP_ID) - return -1; - msg.code = FLOW_ALLOC_CODE__FLOW_REQ; msg.has_hash = true; msg.hash.len = ipcp_dir_hash_len(); msg.hash.data = (uint8_t *) dst; msg.has_qc = true; msg.qc = qc; - msg.has_s_cep_id = true; - msg.s_cep_id = cep_id; + msg.has_s_fd = true; + msg.s_fd = fd; msg.has_s_addr = true; msg.s_addr = ipcpi.dt_addr; sdb = create_fa_sdb(&msg); - if (sdb == NULL) { - frct_i_destroy(cep_id); + if (sdb == NULL) return -1; - } - pthread_rwlock_wrlock(&fa.flows_lock); - - if (dt_write_sdu(addr, qc, PDU_TYPE_FA, sdb)) { - frct_i_destroy(cep_id); - pthread_rwlock_unlock(&fa.flows_lock); + if (dt_write_sdu(addr, qc, FD_FA, sdb)) { ipcp_sdb_release(sdb); return -1; } - fa.fd_to_cep_id[fd] = cep_id; - fa.cep_id_to_fd[cep_id] = fd; + pthread_rwlock_wrlock(&fa.flows_lock); + + fa.r_fd[fd] = fd; + fa.r_addr[fd] = addr; pthread_rwlock_unlock(&fa.flows_lock); @@ -251,22 +234,22 @@ int fa_alloc_resp(int fd, pthread_rwlock_wrlock(&fa.flows_lock); msg.code = FLOW_ALLOC_CODE__FLOW_REPLY; - msg.has_cep_id = true; - msg.cep_id = frct_i_get_id(fa.fd_to_cep_id[fd]); - msg.s_cep_id = fa.fd_to_cep_id[fd]; - msg.has_s_cep_id = true; + msg.has_r_fd = true; + msg.r_fd = fa.r_fd[fd]; + msg.has_s_fd = true; + msg.s_fd = fd; msg.response = response; msg.has_response = true; sdb = create_fa_sdb(&msg); if (sdb == NULL) { - destroy_conn(fd, fa.fd_to_cep_id[fd]); + destroy_conn(fd); pthread_rwlock_unlock(&fa.flows_lock); return -1; } if (response < 0) { - destroy_conn(fd, fa.fd_to_cep_id[fd]); + destroy_conn(fd); ipcp_sdb_release(sdb); } else { sdu_sched_add(fa.sdu_sched, fd); @@ -276,11 +259,8 @@ int fa_alloc_resp(int fd, assert(qc >= 0 && qc < QOS_CUBE_MAX); - if (dt_write_sdu(frct_i_get_addr(fa.fd_to_cep_id[fd]), - qc, - PDU_TYPE_FA, - sdb)) { - destroy_conn(fd, fa.fd_to_cep_id[fd]); + if (dt_write_sdu(fa.r_addr[fd], qc, FD_FA, sdb)) { + destroy_conn(fd); pthread_rwlock_unlock(&fa.flows_lock); ipcp_sdb_release(sdb); return -1; @@ -299,7 +279,7 @@ int fa_dealloc(int fd) sdu_sched_del(fa.sdu_sched, fd); - destroy_conn(fd, fa.fd_to_cep_id[fd]); + destroy_conn(fd); pthread_rwlock_unlock(&fa.flows_lock); @@ -313,7 +293,6 @@ int fa_post_sdu(struct shm_du_buff * sdb) struct timespec ts = {0, TIMEOUT * 1000}; int fd; flow_alloc_msg_t * msg; - cep_id_t cep_id; assert(sdb); @@ -332,7 +311,7 @@ int fa_post_sdu(struct shm_du_buff * sdb) case FLOW_ALLOC_CODE__FLOW_REQ: pthread_mutex_lock(&ipcpi.alloc_lock); - if (!msg->has_hash) { + if (!msg->has_hash || !msg->has_s_fd || !msg->has_s_addr) { log_err("Bad flow request."); pthread_mutex_unlock(&ipcpi.alloc_lock); flow_alloc_msg__free_unpacked(msg, NULL); @@ -354,27 +333,12 @@ int fa_post_sdu(struct shm_du_buff * sdb) assert(ipcpi.alloc_id == -1); - cep_id = frct_i_create(msg->s_addr, msg->qc); - if (cep_id == INVALID_CEP_ID) { - pthread_mutex_unlock(&ipcpi.alloc_lock); - flow_alloc_msg__free_unpacked(msg, NULL); - return -1; - } - - if (frct_i_set_id(cep_id, msg->s_cep_id)) { - pthread_mutex_unlock(&ipcpi.alloc_lock); - frct_i_destroy(cep_id); - flow_alloc_msg__free_unpacked(msg, NULL); - return -1; - } - fd = ipcp_flow_req_arr(getpid(), msg->hash.data, ipcp_dir_hash_len(), msg->qc); if (fd < 0) { pthread_mutex_unlock(&ipcpi.alloc_lock); - frct_i_destroy(cep_id); flow_alloc_msg__free_unpacked(msg, NULL); log_err("Failed to get fd for flow."); return -1; @@ -382,8 +346,8 @@ int fa_post_sdu(struct shm_du_buff * sdb) pthread_rwlock_wrlock(&fa.flows_lock); - fa.fd_to_cep_id[fd] = cep_id; - fa.cep_id_to_fd[cep_id] = fd; + fa.r_fd[fd] = msg->s_fd; + fa.r_addr[fd] = msg->s_addr; pthread_rwlock_unlock(&fa.flows_lock); @@ -396,15 +360,12 @@ int fa_post_sdu(struct shm_du_buff * sdb) case FLOW_ALLOC_CODE__FLOW_REPLY: pthread_rwlock_wrlock(&fa.flows_lock); - fd = fa.cep_id_to_fd[msg->cep_id]; - ipcp_flow_alloc_reply(fd, msg->response); - if (msg->response < 0) { - destroy_conn(fd, msg->cep_id); - } else { - frct_i_set_id(msg->cep_id, msg->s_cep_id); - sdu_sched_add(fa.sdu_sched, - fa.cep_id_to_fd[msg->cep_id]); - } + ipcp_flow_alloc_reply(msg->r_fd, msg->response); + + if (msg->response < 0) + destroy_conn(msg->r_fd); + else + sdu_sched_add(fa.sdu_sched, fa.r_fd[msg->r_fd]); pthread_rwlock_unlock(&fa.flows_lock); @@ -420,24 +381,3 @@ int fa_post_sdu(struct shm_du_buff * sdb) return 0; } - -int fa_post_sdu_user(cep_id_t cep_id, - struct shm_du_buff * sdb) -{ - int fd; - - assert(sdb); - - pthread_rwlock_rdlock(&fa.flows_lock); - - fd = fa.cep_id_to_fd[cep_id]; - if (ipcp_flow_write(fd, sdb)) { - pthread_rwlock_unlock(&fa.flows_lock); - log_err("Failed to hand SDU to N flow."); - return -1; - } - - pthread_rwlock_unlock(&fa.flows_lock); - - return 0; -} diff --git a/src/ipcpd/normal/fa.h b/src/ipcpd/normal/fa.h index 6ca705e4..264d45ea 100644 --- a/src/ipcpd/normal/fa.h +++ b/src/ipcpd/normal/fa.h @@ -26,8 +26,6 @@ #include <ouroboros/shared.h> #include <ouroboros/utils.h> -#include "frct.h" - int fa_init(void); void fa_fini(void); @@ -47,7 +45,4 @@ int fa_dealloc(int fd); int fa_post_sdu(struct shm_du_buff * sdb); -int fa_post_sdu_user(cep_id_t cep_id, - struct shm_du_buff * sdb); - #endif /* OUROBOROS_IPCPD_NORMAL_FA_H */ diff --git a/src/ipcpd/normal/flow_alloc.proto b/src/ipcpd/normal/flow_alloc.proto index 947ce86b..78505761 100644 --- a/src/ipcpd/normal/flow_alloc.proto +++ b/src/ipcpd/normal/flow_alloc.proto @@ -32,7 +32,7 @@ message flow_alloc_msg { optional bytes hash = 2; optional uint32 qc = 3; optional sint32 response = 4; - optional uint32 cep_id = 5; - optional uint32 s_cep_id = 6; + optional uint32 r_fd = 5; + optional uint32 s_fd = 6; optional uint64 s_addr = 7; }; diff --git a/src/ipcpd/normal/frct.c b/src/ipcpd/normal/frct.c deleted file mode 100644 index 010b9761..00000000 --- a/src/ipcpd/normal/frct.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2017 - * - * The Flow and Retransmission control 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define OUROBOROS_PREFIX "flow-rtx-control" - -#include <ouroboros/config.h> -#include <ouroboros/logs.h> -#include <ouroboros/bitmap.h> -#include <ouroboros/list.h> -#include <ouroboros/ipcp-dev.h> -#include <ouroboros/errno.h> - -#include "frct.h" -#include "ipcp.h" -#include "dt.h" -#include "fa.h" - -#include <stdlib.h> -#include <stdbool.h> -#include <pthread.h> -#include <string.h> -#include <assert.h> - -enum conn_state { - CONN_PENDING = 0, - CONN_ESTABLISHED -}; - -struct frct_i { - uint32_t cep_id; - uint64_t r_address; - uint32_t r_cep_id; - qoscube_t cube; - uint64_t seqno; - - enum conn_state state; -}; - -struct { - struct frct_i ** instances; - pthread_mutex_t instances_lock; - - struct bmp * cep_ids; - pthread_mutex_t cep_ids_lock; -} frct; - -static cep_id_t next_cep_id(void) -{ - cep_id_t ret; - - pthread_mutex_lock(&frct.cep_ids_lock); - - ret = bmp_allocate(frct.cep_ids); - if (!bmp_is_id_valid(frct.cep_ids, ret)) - ret = INVALID_CEP_ID; - - pthread_mutex_unlock(&frct.cep_ids_lock); - - return ret; -} - -static int release_cep_id(cep_id_t id) -{ - int ret; - - pthread_mutex_lock(&frct.cep_ids_lock); - - ret = bmp_release(frct.cep_ids, id); - - pthread_mutex_unlock(&frct.cep_ids_lock); - - return ret; -} - -int frct_init() -{ - int i; - - if (frct_pci_init()) - return -1; - - if (pthread_mutex_init(&frct.cep_ids_lock, NULL)) - return -1; - - frct.cep_ids = bmp_create(IRMD_MAX_FLOWS, (INVALID_CEP_ID + 1)); - if (frct.cep_ids == NULL) - goto fail_cep_ids_lock; - - if (pthread_mutex_init(&frct.instances_lock, NULL)) - goto fail_bmp; - - frct.instances = malloc(sizeof(*(frct.instances)) * IRMD_MAX_FLOWS); - if (frct.instances == NULL) - goto fail_instance_lock; - - for (i = 0; i < IRMD_MAX_FLOWS; i++) - frct.instances[i] = NULL; - - return 0; - - fail_instance_lock: - pthread_mutex_destroy(&frct.instances_lock); - fail_bmp: - bmp_destroy(frct.cep_ids); - fail_cep_ids_lock: - pthread_mutex_destroy(&frct.cep_ids_lock); - - return -1; -} - -int frct_fini() -{ - size_t len = IRMD_MAX_FLOWS; - - pthread_mutex_destroy(&frct.instances_lock); - - freepp(struct frct_i, frct.instances, len); - - bmp_destroy(frct.cep_ids); - - pthread_mutex_destroy(&frct.cep_ids_lock); - - return 0; -} - -cep_id_t frct_i_create(uint64_t address, - qoscube_t qc) -{ - struct frct_i * instance; - cep_id_t id; - - pthread_mutex_lock(&frct.instances_lock); - - instance = malloc(sizeof(*instance)); - if (instance == NULL) - return INVALID_CEP_ID; - - id = next_cep_id(); - if (id == INVALID_CEP_ID) { - free(instance); - return INVALID_CEP_ID; - } - - instance->r_address = address; - instance->cep_id = id; - instance->state = CONN_PENDING; - instance->seqno = 0; - instance->cube = qc; - - frct.instances[id] = instance; - - pthread_mutex_unlock(&frct.instances_lock); - - return id; -} - -int frct_i_destroy(cep_id_t cep_id) -{ - struct frct_i * instance; - - pthread_mutex_lock(&frct.instances_lock); - - instance = frct.instances[cep_id]; - if (instance == NULL) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Invalid instance."); - return -1; - } - - frct.instances[cep_id] = NULL; - - release_cep_id(instance->cep_id); - free(instance); - - pthread_mutex_unlock(&frct.instances_lock); - - return 0; -} - -int frct_i_set_id(cep_id_t cep_id, - cep_id_t r_cep_id) -{ - struct frct_i * instance; - - pthread_mutex_lock(&frct.instances_lock); - - instance = frct.instances[cep_id]; - if (instance == NULL) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Invalid instance."); - return -1; - } - - instance->r_cep_id = r_cep_id; - instance->state = CONN_ESTABLISHED; - - pthread_mutex_unlock(&frct.instances_lock); - - return 0; -} - -cep_id_t frct_i_get_id(cep_id_t cep_id) -{ - struct frct_i * instance; - cep_id_t r_cep_id; - - pthread_mutex_lock(&frct.instances_lock); - - instance = frct.instances[cep_id]; - if (instance == NULL) { - pthread_mutex_unlock(&frct.instances_lock); - return INVALID_CEP_ID; - } - - r_cep_id = instance->r_cep_id; - - pthread_mutex_unlock(&frct.instances_lock); - - return r_cep_id; -} - -uint64_t frct_i_get_addr(cep_id_t cep_id) -{ - struct frct_i * instance; - uint64_t r_addr; - - pthread_mutex_lock(&frct.instances_lock); - - instance = frct.instances[cep_id]; - if (instance == NULL) { - pthread_mutex_unlock(&frct.instances_lock); - return INVALID_ADDR; - } - - r_addr = instance->r_address; - - pthread_mutex_unlock(&frct.instances_lock); - - return r_addr; -} - -int frct_post_sdu(struct shm_du_buff * sdb) -{ - struct frct_pci frct_pci; - struct frct_i * instance; - - assert(sdb); - - memset(&frct_pci, 0, sizeof(frct_pci)); - - frct_pci_des(sdb, &frct_pci); - - /* Known cep-ids are delivered to FA (minimal DTP) */ - pthread_mutex_lock(&frct.instances_lock); - - instance = frct.instances[frct_pci.dst_cep_id]; - if (instance == NULL) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Invalid instance."); - return -1; - } - - if (instance->state != CONN_ESTABLISHED) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Connection is not established."); - return -1; - } - - pthread_mutex_unlock(&frct.instances_lock); - - if (fa_post_sdu_user(frct_pci.dst_cep_id, sdb)) - return -1; - - return 0; -} - -int frct_i_write_sdu(cep_id_t id, - struct shm_du_buff * sdb) -{ - struct frct_i * instance; - struct frct_pci frct_pci; - - assert(sdb); - - pthread_mutex_lock(&frct.instances_lock); - - instance = frct.instances[id]; - if (instance == NULL) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Invalid instance."); - return -1; - } - - if (instance->state != CONN_ESTABLISHED) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Connection is not established."); - return -1; - } - - frct_pci.dst_cep_id = instance->r_cep_id; - frct_pci.seqno = (instance->seqno)++; - - if (frct_pci_ser(sdb, &frct_pci)) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Failed to serialize."); - return -1; - } - - if (dt_write_sdu(instance->r_address, - instance->cube, - PDU_TYPE_FRCT, - sdb)) { - pthread_mutex_unlock(&frct.instances_lock); - log_err("Failed to hand SDU to DT."); - return -1; - } - - pthread_mutex_unlock(&frct.instances_lock); - - return 0; -} diff --git a/src/ipcpd/normal/frct.h b/src/ipcpd/normal/frct.h deleted file mode 100644 index 03dec672..00000000 --- a/src/ipcpd/normal/frct.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2017 - * - * The Flow and Retransmission control 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef OUROBOROS_IPCPD_NORMAL_FRCT_H -#define OUROBOROS_IPCPD_NORMAL_FRCT_H - -#include <ouroboros/shared.h> -#include <ouroboros/utils.h> - -#include "frct_pci.h" - -#define FRCT_PROTO "FRCT" - -struct frct_i; - -int frct_init(void); - -int frct_fini(void); - -cep_id_t frct_i_create(uint64_t address, - qoscube_t cube); - -int frct_i_destroy(cep_id_t cep_id); - -int frct_i_set_id(cep_id_t cep_id, - cep_id_t r_cep_id); - -cep_id_t frct_i_get_id(cep_id_t cep_id); - -uint64_t frct_i_get_addr(cep_id_t cep_id); - -int frct_i_write_sdu(cep_id_t id, - struct shm_du_buff * sdb); - -int frct_post_sdu(struct shm_du_buff * sdb); - -#endif /* OUROBOROS_IPCPD_NORMAL_FRCT_H */ diff --git a/src/ipcpd/normal/frct_pci.c b/src/ipcpd/normal/frct_pci.c deleted file mode 100644 index a13df2f4..00000000 --- a/src/ipcpd/normal/frct_pci.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2017 - * - * Protocol Control Information for FRCT - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <ouroboros/config.h> -#include <ouroboros/errno.h> -#include <ouroboros/rib.h> - -#include "dt_const.h" -#include "frct_pci.h" -#include "ribconfig.h" - -#include <stdlib.h> -#include <string.h> -#include <assert.h> - -struct { - struct dt_const dtc; - size_t head_size; - - /* offsets */ - size_t seqno_o; -} frct_pci_info; - -int frct_pci_init(void) -{ - /* read dt constants from the RIB */ - if (rib_read(BOOT_PATH "/dt/const/cep_id_size", - &frct_pci_info.dtc.cep_id_size, - sizeof(frct_pci_info.dtc.cep_id_size)) < 0 || - rib_read(BOOT_PATH "/dt/const/seqno_size", - &frct_pci_info.dtc.seqno_size, - sizeof(frct_pci_info.dtc.seqno_size)) < 0) - return -1; - - frct_pci_info.seqno_o = frct_pci_info.dtc.cep_id_size; - - frct_pci_info.head_size = frct_pci_info.seqno_o + - frct_pci_info.dtc.seqno_size; - - return 0; -} - -void frct_pci_fini(void) { - return; -} - -int frct_pci_ser(struct shm_du_buff * sdb, - struct frct_pci * frct_pci) -{ - uint8_t * head; - - assert(sdb); - assert(frct_pci); - - head = shm_du_buff_head_alloc(sdb, frct_pci_info.head_size); - if (head == NULL) - return -EPERM; - - /* FIXME: Add check and operations for Big Endian machines */ - memcpy(head, &frct_pci->dst_cep_id, frct_pci_info.dtc.cep_id_size); - memcpy(head + frct_pci_info.seqno_o, &frct_pci->seqno, - frct_pci_info.dtc.seqno_size); - - return 0; -} - -void frct_pci_des(struct shm_du_buff * sdb, - struct frct_pci * frct_pci) -{ - uint8_t * head; - - assert(sdb); - assert(frct_pci); - - head = shm_du_buff_head(sdb); - - /* FIXME: Add check and operations for Big Endian machines */ - memcpy(&frct_pci->dst_cep_id, head, frct_pci_info.dtc.cep_id_size); - memcpy(&frct_pci->seqno, head + frct_pci_info.seqno_o, - frct_pci_info.dtc.seqno_size); - - shm_du_buff_head_release(sdb, frct_pci_info.head_size); -} diff --git a/src/ipcpd/normal/frct_pci.h b/src/ipcpd/normal/frct_pci.h deleted file mode 100644 index 006fe8e7..00000000 --- a/src/ipcpd/normal/frct_pci.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2017 - * - * Protocol Control Information for FRCT - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef OUROBOROS_IPCPD_NORMAL_FRCT_PCI_H -#define OUROBOROS_IPCPD_NORMAL_FRCT_PCI_H - -#include <ouroboros/shm_du_buff.h> - -typedef uint32_t cep_id_t; - -#define INVALID_CEP_ID 0 - -struct frct_pci { - cep_id_t dst_cep_id; - uint64_t seqno; -}; - -int frct_pci_init(void); - -void frct_pci_fini(void); - -int frct_pci_ser(struct shm_du_buff * sdb, - struct frct_pci * frct_pci); - -void frct_pci_des(struct shm_du_buff * sdb, - struct frct_pci * frct_pci); - -#endif /* OUROBOROS_IPCPD_NORMAL_FRCT_PCI_H */ diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c index 42516efd..d103b339 100644 --- a/src/ipcpd/normal/main.c +++ b/src/ipcpd/normal/main.c @@ -74,7 +74,7 @@ static int boot_components(void) &ipcpi.dir_hash_algo, sizeof(ipcpi.dir_hash_algo)); if (len < 0) { log_err("Failed to read hash length: %zd.", len); - goto fail_name; + goto fail_addr_auth; } ipcpi.dir_hash_algo = ntoh32(ipcpi.dir_hash_algo); @@ -83,7 +83,7 @@ static int boot_components(void) if (rib_add(MEMBERS_PATH, ipcpi.name)) { log_err("Failed to add name to " MEMBERS_PATH); - goto fail_name; + goto fail_addr_auth; } log_dbg("Starting components."); @@ -91,25 +91,25 @@ static int boot_components(void) if (rib_read(BOOT_PATH "/addr_auth/type", &pa, sizeof(pa)) != sizeof(pa)) { log_err("Failed to read policy for address authority."); - goto fail_name; + goto fail_addr_auth; } if (addr_auth_init(pa)) { log_err("Failed to init address authority."); - goto fail_name; + goto fail_addr_auth; } ipcpi.dt_addr = addr_auth_address(); if (ipcpi.dt_addr == 0) { log_err("Failed to get a valid address."); - goto fail_addr_auth; + goto fail_dir; } path[0] = '\0'; rib_path_append(rib_path_append(path, MEMBERS_NAME), ipcpi.name); if (rib_write(path, &ipcpi.dt_addr, sizeof(&ipcpi.dt_addr))) { log_err("Failed to write address to member object."); - goto fail_addr_auth; + goto fail_dir; } log_dbg("IPCP got address %" PRIu64 ".", ipcpi.dt_addr); @@ -118,75 +118,68 @@ static int boot_components(void) if (dir_init()) { log_err("Failed to initialize directory."); - goto fail_addr_auth; + goto fail_dir; } if (ribmgr_init()) { log_err("Failed to initialize RIB manager."); - goto fail_dir; + goto fail_ribmgr; } log_dbg("Ribmgr started."); - if (frct_init()) { - log_err("Failed to initialize FRCT."); - goto fail_ribmgr; - } - if (fa_init()) { log_err("Failed to initialize flow allocator ae."); - goto fail_frct; + goto fail_fa; } if (dt_init()) { log_err("Failed to initialize data transfer ae."); - goto fail_fa; + goto fail_dt; } if (fa_start()) { log_err("Failed to start flow allocator."); - goto fail_dt; + goto fail_fa_start; } if (dt_start()) { log_err("Failed to start data transfer ae."); - goto fail_fa_start; + goto fail_dt_start; } if (enroll_start()) { log_err("Failed to start enroll."); - goto fail_dt_start; + goto fail_enroll_start; } ipcp_set_state(IPCP_OPERATIONAL); if (connmgr_start()) { log_err("Failed to start AP connection manager."); - goto fail_enroll; + goto fail_connmgr_start; } return 0; - fail_enroll: + fail_connmgr_start: ipcp_set_state(IPCP_INIT); enroll_stop(); - fail_dt_start: + fail_enroll_start: dt_stop(); - fail_fa_start: + fail_dt_start: fa_stop(); - fail_dt: + fail_fa_start: dt_fini(); - fail_fa: + fail_dt: fa_fini(); - fail_frct: - frct_fini(); - fail_ribmgr: + fail_fa: ribmgr_fini(); - fail_dir: + fail_ribmgr: dir_fini(); - fail_addr_auth: + fail_dir: addr_auth_fini(); - fail_name: + fail_addr_auth: free(ipcpi.dif_name); return -1; @@ -206,8 +199,6 @@ void shutdown_components(void) fa_fini(); - frct_fini(); - ribmgr_fini(); dir_fini(); diff --git a/src/ipcpd/normal/pol/complete.c b/src/ipcpd/normal/pol/complete.c index 20a2dafb..732556c6 100644 --- a/src/ipcpd/normal/pol/complete.c +++ b/src/ipcpd/normal/pol/complete.c @@ -31,7 +31,6 @@ #include <ouroboros/cacep.h> #include "neighbors.h" -#include "frct.h" #include "ribconfig.h" #include "ipcp.h" #include "ae.h" |