diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/ipcpd/normal/CMakeLists.txt | 9 | ||||
-rw-r--r-- | src/ipcpd/normal/dt.c | 9 | ||||
-rw-r--r-- | src/ipcpd/normal/main.c | 17 | ||||
-rw-r--r-- | src/ipcpd/normal/pol-routing-ops.h | 38 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/fso.proto (renamed from src/ipcpd/normal/fso.proto) | 0 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/graph.c (renamed from src/ipcpd/normal/graph.c) | 0 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/graph.h (renamed from src/ipcpd/normal/graph.h) | 0 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/link_state.c | 360 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/link_state.h | 43 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/tests/CMakeLists.txt (renamed from src/ipcpd/normal/tests/CMakeLists.txt) | 0 | ||||
-rw-r--r-- | src/ipcpd/normal/pol/tests/graph_test.c (renamed from src/ipcpd/normal/tests/graph_test.c) | 0 | ||||
-rw-r--r-- | src/ipcpd/normal/ribconfig.h | 18 | ||||
-rw-r--r-- | src/ipcpd/normal/routing.c | 325 | ||||
-rw-r--r-- | src/ipcpd/normal/routing.h | 8 | ||||
-rw-r--r-- | src/lib/ipcp_config.proto | 7 | ||||
-rw-r--r-- | src/lib/irm.c | 2 | ||||
-rw-r--r-- | src/tools/irm/irm_ipcp_bootstrap.c | 34 |
17 files changed, 517 insertions, 353 deletions
diff --git a/src/ipcpd/normal/CMakeLists.txt b/src/ipcpd/normal/CMakeLists.txt index 984ebd3d..336b0e8f 100644 --- a/src/ipcpd/normal/CMakeLists.txt +++ b/src/ipcpd/normal/CMakeLists.txt @@ -15,7 +15,8 @@ include_directories(${CMAKE_BINARY_DIR}/include) set(IPCP_NORMAL_TARGET ipcpd-normal CACHE STRING "IPCP_NORMAL_TARGET") protobuf_generate_c(FLOW_ALLOC_SRCS FLOW_ALLOC_HDRS flow_alloc.proto) -protobuf_generate_c(FSO_SRCS FSO_HDRS fso.proto) +# Add GPB sources of policies last +protobuf_generate_c(FSO_SRCS FSO_HDRS pol/fso.proto) set(SOURCE_FILES # Add source files here @@ -27,7 +28,6 @@ set(SOURCE_FILES enroll.c fa.c gam.c - graph.c main.c neighbors.c pff.c @@ -37,6 +37,8 @@ set(SOURCE_FILES # Add policies last pol/complete.c pol/flat.c + pol/link_state.c + pol/graph.c ) add_executable(ipcpd-normal ${SOURCE_FILES} ${IPCP_SOURCES} @@ -50,5 +52,4 @@ endif (CMAKE_BUILD_TYPE MATCHES Debug) install(TARGETS ipcpd-normal RUNTIME DESTINATION sbin) -# Enable once ipcp-normal has tests -add_subdirectory(tests) +add_subdirectory(pol/tests) diff --git a/src/ipcpd/normal/dt.c b/src/ipcpd/normal/dt.c index 33070fa2..b22fb59c 100644 --- a/src/ipcpd/normal/dt.c +++ b/src/ipcpd/normal/dt.c @@ -143,6 +143,13 @@ int dt_init(void) int i; int j; struct conn_info info; + enum pol_routing pr; + + if (rib_read(BOOT_PATH "/dt/routing/type", &pr, sizeof(pr)) + != sizeof(pr)) { + log_err("Failed to read policy for routing."); + return -1; + } if (dt_pci_init()) { log_err("Failed to init shm dt_pci."); @@ -175,7 +182,7 @@ int dt_init(void) goto fail_nbs; } - if (routing_init(dt.nbs)) { + if (routing_init(pr, dt.nbs)) { log_err("Failed to init routing."); goto fail_nbs_notifier; } diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c index f9718041..0b8a26ab 100644 --- a/src/ipcpd/normal/main.c +++ b/src/ipcpd/normal/main.c @@ -88,7 +88,7 @@ static int boot_components(void) log_dbg("Starting components."); - if (rib_read(BOOT_PATH "/addr_auth/type", &pa, sizeof(pa)) + if (rib_read(BOOT_PATH "/dt/addr_auth/type", &pa, sizeof(pa)) != sizeof(pa)) { log_err("Failed to read policy for address authority."); goto fail_addr_auth; @@ -261,17 +261,17 @@ const struct ros { {BOOT_PATH "/dt/const", "addr_size"}, {BOOT_PATH "/dt/const", "fd_size"}, {BOOT_PATH "/dt/const", "has_ttl"}, + {BOOT_PATH "/dt", "addr_auth"}, + {BOOT_PATH "/dt/addr_auth", "type"}, + {BOOT_PATH "/dt", "routing"}, + {BOOT_PATH "/dt/routing", "type"}, /* RIB MGR COMPONENT */ {BOOT_PATH, "rm"}, - {BOOT_PATH "/rm","gam"}, {BOOT_PATH "/rm/gam", "type"}, {BOOT_PATH "/rm/gam", "cacep"}, - /* ADDR AUTH COMPONENT */ - {BOOT_PATH, "addr_auth"}, - {BOOT_PATH "/addr_auth", "type"}, {NULL, NULL} }; @@ -327,9 +327,12 @@ static int normal_ipcp_bootstrap(const struct ipcp_config * conf) rib_write(BOOT_PATH "/rm/gam/type", &conf->rm_gam_type, sizeof(conf->rm_gam_type)) || - rib_write(BOOT_PATH "/addr_auth/type", + rib_write(BOOT_PATH "/dt/addr_auth/type", &conf->addr_auth_type, - sizeof(conf->addr_auth_type))) { + sizeof(conf->addr_auth_type)) || + rib_write(BOOT_PATH "/dt/routing/type", + &conf->routing_type, + sizeof(conf->routing_type))) { log_err("Failed to write boot info to RIB."); return -1; } diff --git a/src/ipcpd/normal/pol-routing-ops.h b/src/ipcpd/normal/pol-routing-ops.h new file mode 100644 index 00000000..3a60ca6b --- /dev/null +++ b/src/ipcpd/normal/pol-routing-ops.h @@ -0,0 +1,38 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * Routing policy ops + * + * Dimitri Staessens <[email protected]> + * Sander Vrijders <[email protected]> + * + * 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_POL_ROUTING_OPS_H +#define OUROBOROS_IPCPD_NORMAL_POL_ROUTING_OPS_H + +#include "pff.h" + +struct pol_routing_ops { + int (* init)(struct nbs * nbs); + + void (* fini)(void); + + struct routing_i * (* routing_i_create)(struct pff * pff); + + void (* routing_i_destroy)(struct routing_i * instance); +}; + +#endif /* OUROBOROS_IPCPD_NORMAL_POL_ROUTING_OPS_H */ diff --git a/src/ipcpd/normal/fso.proto b/src/ipcpd/normal/pol/fso.proto index 32b281d6..32b281d6 100644 --- a/src/ipcpd/normal/fso.proto +++ b/src/ipcpd/normal/pol/fso.proto diff --git a/src/ipcpd/normal/graph.c b/src/ipcpd/normal/pol/graph.c index 78ed203d..78ed203d 100644 --- a/src/ipcpd/normal/graph.c +++ b/src/ipcpd/normal/pol/graph.c diff --git a/src/ipcpd/normal/graph.h b/src/ipcpd/normal/pol/graph.h index 44496bc3..44496bc3 100644 --- a/src/ipcpd/normal/graph.h +++ b/src/ipcpd/normal/pol/graph.h diff --git a/src/ipcpd/normal/pol/link_state.c b/src/ipcpd/normal/pol/link_state.c new file mode 100644 index 00000000..3e0a63d6 --- /dev/null +++ b/src/ipcpd/normal/pol/link_state.c @@ -0,0 +1,360 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * Link state routing policy + * + * Dimitri Staessens <[email protected]> + * Sander Vrijders <[email protected]> + * + * 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 "link-state-routing" + +#include <ouroboros/config.h> +#include <ouroboros/errno.h> +#include <ouroboros/list.h> +#include <ouroboros/logs.h> +#include <ouroboros/rib.h> +#include <ouroboros/rqueue.h> + +#include "ribmgr.h" +#include "ribconfig.h" +#include "graph.h" +#include "neighbors.h" +#include "ipcp.h" +#include "pff.h" + +#include <assert.h> +#include <stdlib.h> +#include <inttypes.h> +#include <string.h> +#include <pthread.h> + +#include "fso.pb-c.h" +typedef Fso fso_t; + +#define BUF_SIZE 256 +#define RECALC_TIME 4 + +struct routing_i { + struct pff * pff; + pthread_t calculator; +}; + +struct { + struct nbs * nbs; + struct nb_notifier nb_notifier; + + struct graph * graph; + + ro_set_t * set; + rqueue_t * queue; + pthread_t rib_listener; +} link_state; + +/* Take under neighbors lock */ +static int addr_to_fd(uint64_t addr) +{ + struct list_head * p = NULL; + + list_for_each(p, &link_state.nbs->list) { + struct nb * e = list_entry(p, struct nb, next); + if (e->conn.conn_info.addr == addr) + return e->conn.flow_info.fd; + } + + return -1; +} + +static void * calculate_pff(void * o) +{ + struct routing_i * instance; + struct routing_table ** table; + ssize_t n_table; + int i; + int fd; + + instance = (struct routing_i *) o; + + while (true) { + table = NULL; + n_table = graph_routing_table(link_state.graph, + ipcpi.dt_addr, &table); + if (n_table < 0) { + sleep(RECALC_TIME); + continue; + } + + pthread_mutex_lock(&link_state.nbs->list_lock); + pff_lock(instance->pff); + + pff_flush(instance->pff); + + for (i = 0; i < n_table; i++) { + fd = addr_to_fd(table[i]->nhop); + if (fd == -1) + continue; + + pff_add(instance->pff, table[i]->dst, fd); + } + + pff_unlock(instance->pff); + pthread_mutex_unlock(&link_state.nbs->list_lock); + + freepp(struct routing_table, table, n_table); + sleep(RECALC_TIME); + } + + return (void *) 0; +} + +static int link_state_neighbor_event(enum nb_event event, + struct conn conn) +{ + char path[RIB_MAX_PATH_LEN + 1]; + char fso_name[RIB_MAX_PATH_LEN + 1]; + fso_t fso = FSO__INIT; + size_t len; + uint8_t * data; + + /* Only announce the flow if our address is bigger */ + if (ipcpi.dt_addr < conn.conn_info.addr) + return 0; + + path[0] = '\0'; + sprintf(fso_name, "%" PRIu64 "-%" PRIu64, + ipcpi.dt_addr, conn.conn_info.addr); + rib_path_append(rib_path_append(path, ROUTING_NAME), fso_name); + + switch (event) { + case NEIGHBOR_ADDED: + fso.s_addr = ipcpi.dt_addr; + fso.d_addr = conn.conn_info.addr; + + len = fso__get_packed_size(&fso); + if (len == 0) + return -1; + + data = malloc(len); + if (data == NULL) + return -1; + + fso__pack(&fso, data); + + if (rib_add(ROUTING_PATH, fso_name)) { + log_err("Failed to add FSO."); + free(data); + return -1; + } + + if (rib_put(path, data, len)) { + log_err("Failed to put FSO in RIB."); + rib_del(path); + free(data); + return -1; + } + + log_dbg("Added %s to RIB.", path); + + break; + case NEIGHBOR_REMOVED: + if (rib_del(path)) { + log_err("Failed to remove FSO."); + return -1; + } + + log_dbg("Removed %s from RIB.", path); + + break; + case NEIGHBOR_QOS_CHANGE: + log_info("Not currently supported."); + break; + default: + log_info("Unsupported event for routing."); + break; + } + + return 0; +} + +static int read_fso(char * path, + int32_t flag) +{ + ssize_t len; + uint8_t ro[BUF_SIZE]; + fso_t * fso; + qosspec_t qs; + + memset(&qs, 0, sizeof(qs)); + + len = rib_read(path, ro, BUF_SIZE); + if (len < 0) { + log_err("Failed to read FSO."); + return -1; + } + + fso = fso__unpack(NULL, len, ro); + if (fso == NULL) { + log_err("Failed to unpack."); + return -1; + } + + if (flag & RO_MODIFY) { + if (graph_update_edge(link_state.graph, + fso->s_addr, fso->d_addr, qs)) { + fso__free_unpacked(fso, NULL); + return -1; + } + } else if (flag & RO_DELETE) { + if (graph_del_edge(link_state.graph, fso->s_addr, fso->d_addr)) { + fso__free_unpacked(fso, NULL); + return -1; + } + } + + fso__free_unpacked(fso, NULL); + + return 0; +} + +static void * rib_listener(void * o) +{ + int32_t flag; + char path[RIB_MAX_PATH_LEN + 1]; + char ** children; + ssize_t len; + int i; + + (void) o; + + if (ro_set_add(link_state.set, ROUTING_PATH, RO_MODIFY | RO_DELETE)) { + log_err("Failed to add to RO set"); + return (void * ) -1; + } + + len = rib_children(ROUTING_PATH, &children); + if (len < 0) { + log_err("Failed to retrieve children."); + return (void *) -1; + } + + for (i = 0; i < len; i++) { + if (read_fso(children[i], RO_CREATE)) { + log_err("Failed to parse FSO."); + continue; + } + } + + while (rib_event_wait(link_state.set, link_state.queue, NULL) == 0) { + path[0] = '\0'; + flag = rqueue_next(link_state.queue, path); + if (flag < 0) + continue; + + if (read_fso(path, flag)) { + log_err("Failed to parse FSO."); + continue; + } + } + + return (void *) 0; +} + +struct routing_i * link_state_routing_i_create(struct pff * pff) +{ + struct routing_i * tmp; + + assert(pff); + + tmp = malloc(sizeof(*tmp)); + if (tmp == NULL) + return NULL; + + tmp->pff = pff; + + pthread_create(&tmp->calculator, NULL, calculate_pff, (void *) tmp); + + return tmp; +} + +void link_state_routing_i_destroy(struct routing_i * instance) +{ + assert(instance); + + pthread_cancel(instance->calculator); + + pthread_join(instance->calculator, NULL); + + free(instance); +} + +int link_state_init(struct nbs * nbs) +{ + link_state.graph = graph_create(); + if (link_state.graph == NULL) + return -1; + + if (rib_add(RIB_ROOT, ROUTING_NAME)) { + graph_destroy(link_state.graph); + return -1; + } + + link_state.nbs = nbs; + + link_state.nb_notifier.notify_call = link_state_neighbor_event; + if (nbs_reg_notifier(link_state.nbs, &link_state.nb_notifier)) { + graph_destroy(link_state.graph); + rib_del(ROUTING_PATH); + return -1; + } + + link_state.set = ro_set_create(); + if (link_state.set == NULL) { + nbs_unreg_notifier(link_state.nbs, &link_state.nb_notifier); + graph_destroy(link_state.graph); + rib_del(ROUTING_PATH); + return -1; + } + + link_state.queue = rqueue_create(); + if (link_state.queue == NULL) { + ro_set_destroy(link_state.set); + nbs_unreg_notifier(link_state.nbs, &link_state.nb_notifier); + graph_destroy(link_state.graph); + rib_del(ROUTING_PATH); + return -1; + } + + pthread_create(&link_state.rib_listener, NULL, rib_listener, NULL); + + return 0; +} + +void link_state_fini(void) +{ + pthread_cancel(link_state.rib_listener); + + pthread_join(link_state.rib_listener, NULL); + + rqueue_destroy(link_state.queue); + + ro_set_destroy(link_state.set); + + graph_destroy(link_state.graph); + + rib_del(ROUTING_PATH); + + nbs_unreg_notifier(link_state.nbs, &link_state.nb_notifier); +} diff --git a/src/ipcpd/normal/pol/link_state.h b/src/ipcpd/normal/pol/link_state.h new file mode 100644 index 00000000..e78d0543 --- /dev/null +++ b/src/ipcpd/normal/pol/link_state.h @@ -0,0 +1,43 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * Link state routing policy + * + * Dimitri Staessens <[email protected]> + * Sander Vrijders <[email protected]> + * + * 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_POL_LINK_STATE_H +#define OUROBOROS_IPCPD_NORMAL_POL_LINK_STATE_H + +#include "pol-routing-ops.h" + +int link_state_init(struct nbs * nbs); + +void link_state_fini(void); + +struct routing_i * link_state_routing_i_create(struct pff * pff); + +void link_state_routing_i_destroy(struct routing_i * instance); + +struct pol_routing_ops link_state_ops = { + .init = link_state_init, + .fini = link_state_fini, + .routing_i_create = link_state_routing_i_create, + .routing_i_destroy = link_state_routing_i_destroy +}; + +#endif /* OUROBOROS_IPCPD_NORMAL_POL_LINK_STATE_H */ diff --git a/src/ipcpd/normal/tests/CMakeLists.txt b/src/ipcpd/normal/pol/tests/CMakeLists.txt index 55ca425a..55ca425a 100644 --- a/src/ipcpd/normal/tests/CMakeLists.txt +++ b/src/ipcpd/normal/pol/tests/CMakeLists.txt diff --git a/src/ipcpd/normal/tests/graph_test.c b/src/ipcpd/normal/pol/tests/graph_test.c index 3d433e34..3d433e34 100644 --- a/src/ipcpd/normal/tests/graph_test.c +++ b/src/ipcpd/normal/pol/tests/graph_test.c diff --git a/src/ipcpd/normal/ribconfig.h b/src/ipcpd/normal/ribconfig.h index 2f5daf72..31c79fbe 100644 --- a/src/ipcpd/normal/ribconfig.h +++ b/src/ipcpd/normal/ribconfig.h @@ -26,14 +26,14 @@ /* RIB configuration for normal */ #define RIB_MAX_PATH_LEN 256 -#define DLR "/" -#define BOOT_NAME "boot" -#define MEMBERS_NAME "members" -#define DIR_NAME "directory" -#define ROUTING_NAME "fsdb" -#define DIR_PATH DLR DIR_NAME -#define BOOT_PATH DLR BOOT_NAME -#define MEMBERS_PATH DLR MEMBERS_NAME -#define ROUTING_PATH DLR ROUTING_NAME +#define DLR "/" +#define BOOT_NAME "boot" +#define MEMBERS_NAME "members" +#define DIR_NAME "directory" +#define ROUTING_NAME "fsdb" +#define DIR_PATH DLR DIR_NAME +#define BOOT_PATH DLR BOOT_NAME +#define MEMBERS_PATH DLR MEMBERS_NAME +#define ROUTING_PATH DLR ROUTING_NAME #endif /* OUROBOROS_IPCPD_NORMAL_RIB_CONFIG_H */ diff --git a/src/ipcpd/normal/routing.c b/src/ipcpd/normal/routing.c index cc6cdca8..e1459c15 100644 --- a/src/ipcpd/normal/routing.c +++ b/src/ipcpd/normal/routing.c @@ -23,338 +23,41 @@ #define OUROBOROS_PREFIX "routing" #include <ouroboros/config.h> -#include <ouroboros/errno.h> -#include <ouroboros/list.h> #include <ouroboros/logs.h> -#include <ouroboros/rib.h> -#include <ouroboros/rqueue.h> -#include <ouroboros/utils.h> #include "routing.h" -#include "ribmgr.h" -#include "ribconfig.h" -#include "ipcp.h" -#include "graph.h" -#include "neighbors.h" - -#include <assert.h> -#include <stdlib.h> -#include <inttypes.h> -#include <string.h> - -#include "fso.pb-c.h" -typedef Fso fso_t; - -#define BUF_SIZE 256 -#define RECALC_TIME 4 - -struct routing_i { - struct pff * pff; - pthread_t calculator; -}; +#include "pol/link_state.h" struct { - struct nbs * nbs; - struct nb_notifier nb_notifier; - - struct graph * graph; - - ro_set_t * set; - rqueue_t * queue; - pthread_t rib_listener; + struct pol_routing_ops * ops; } routing; -/* Take under neighbors lock */ -static int addr_to_fd(uint64_t addr) -{ - struct list_head * p = NULL; - - list_for_each(p, &routing.nbs->list) { - struct nb * e = list_entry(p, struct nb, next); - if (e->conn.conn_info.addr == addr) - return e->conn.flow_info.fd; - } - - return -1; -} - -static void * calculate_pff(void * o) -{ - struct routing_i * instance; - struct routing_table ** table; - ssize_t n_table; - int i; - int fd; - - instance = (struct routing_i *) o; - - while (true) { - table = NULL; - n_table = graph_routing_table(routing.graph, - ipcpi.dt_addr, &table); - if (n_table < 0) { - sleep(RECALC_TIME); - continue; - } - - pthread_mutex_lock(&routing.nbs->list_lock); - pff_lock(instance->pff); - - pff_flush(instance->pff); - - for (i = 0; i < n_table; i++) { - fd = addr_to_fd(table[i]->nhop); - if (fd == -1) - continue; - - pff_add(instance->pff, table[i]->dst, fd); - } - - pff_unlock(instance->pff); - pthread_mutex_unlock(&routing.nbs->list_lock); - - freepp(struct routing_table, table, n_table); - sleep(RECALC_TIME); - } - - return (void *) 0; -} - -struct routing_i * routing_i_create(struct pff * pff) -{ - struct routing_i * tmp; - - assert(pff); - - tmp = malloc(sizeof(*tmp)); - if (tmp == NULL) - return NULL; - - tmp->pff = pff; - - pthread_create(&tmp->calculator, NULL, calculate_pff, (void *) tmp); - - return tmp; -} - -void routing_i_destroy(struct routing_i * instance) -{ - assert(instance); - - pthread_cancel(instance->calculator); - - pthread_join(instance->calculator, NULL); - - free(instance); -} - -static int routing_neighbor_event(enum nb_event event, - struct conn conn) +int routing_init(enum pol_routing pr, + struct nbs * nbs) { - char path[RIB_MAX_PATH_LEN + 1]; - char fso_name[RIB_MAX_PATH_LEN + 1]; - fso_t fso = FSO__INIT; - size_t len; - uint8_t * data; - - /* Only announce the flow if our address is bigger */ - if (ipcpi.dt_addr < conn.conn_info.addr) - return 0; - - path[0] = '\0'; - sprintf(fso_name, "%" PRIu64 "-%" PRIu64, - ipcpi.dt_addr, conn.conn_info.addr); - rib_path_append(rib_path_append(path, ROUTING_NAME), fso_name); - - switch (event) { - case NEIGHBOR_ADDED: - fso.s_addr = ipcpi.dt_addr; - fso.d_addr = conn.conn_info.addr; - - len = fso__get_packed_size(&fso); - if (len == 0) - return -1; - - data = malloc(len); - if (data == NULL) - return -1; - - fso__pack(&fso, data); - - if (rib_add(ROUTING_PATH, fso_name)) { - log_err("Failed to add FSO."); - free(data); - return -1; - } - - if (rib_put(path, data, len)) { - log_err("Failed to put FSO in RIB."); - rib_del(path); - free(data); - return -1; - } - - log_dbg("Added %s to RIB.", path); - - break; - case NEIGHBOR_REMOVED: - if (rib_del(path)) { - log_err("Failed to remove FSO."); - return -1; - } - - log_dbg("Removed %s from RIB.", path); - - break; - case NEIGHBOR_QOS_CHANGE: - log_info("Not currently supported."); + switch (pr) { + case LINK_STATE: + routing.ops = &link_state_ops; break; default: - log_info("Unsupported event for routing."); - break; - } - - return 0; -} - -static int read_fso(char * path, - int32_t flag) -{ - ssize_t len; - uint8_t ro[BUF_SIZE]; - fso_t * fso; - qosspec_t qs; - - memset(&qs, 0, sizeof(qs)); - - len = rib_read(path, ro, BUF_SIZE); - if (len < 0) { - log_err("Failed to read FSO."); - return -1; - } - - fso = fso__unpack(NULL, len, ro); - if (fso == NULL) { - log_err("Failed to unpack."); + log_err("Unknown routing type."); return -1; } - if (flag & RO_MODIFY) { - if (graph_update_edge(routing.graph, - fso->s_addr, fso->d_addr, qs)) { - fso__free_unpacked(fso, NULL); - return -1; - } - } else if (flag & RO_DELETE) { - if (graph_del_edge(routing.graph, fso->s_addr, fso->d_addr)) { - fso__free_unpacked(fso, NULL); - return -1; - } - } - - fso__free_unpacked(fso, NULL); - - return 0; + return routing.ops->init(nbs); } -static void * rib_listener(void * o) +struct routing_i * routing_i_create(struct pff * pff) { - int32_t flag; - char path[RIB_MAX_PATH_LEN + 1]; - char ** children; - ssize_t len; - int i; - - (void) o; - - if (ro_set_add(routing.set, ROUTING_PATH, RO_MODIFY | RO_DELETE)) { - log_err("Failed to add to RO set"); - return (void * ) -1; - } - - len = rib_children(ROUTING_PATH, &children); - if (len < 0) { - log_err("Failed to retrieve children."); - return (void *) -1; - } - - for (i = 0; i < len; i++) { - if (read_fso(children[i], RO_CREATE)) { - log_err("Failed to parse FSO."); - continue; - } - } - - while (rib_event_wait(routing.set, routing.queue, NULL) == 0) { - path[0] = '\0'; - flag = rqueue_next(routing.queue, path); - if (flag < 0) - continue; - - if (read_fso(path, flag)) { - log_err("Failed to parse FSO."); - continue; - } - } - - return (void *) 0; + return routing.ops->routing_i_create(pff); } -int routing_init(struct nbs * nbs) +void routing_i_destroy(struct routing_i * instance) { - routing.graph = graph_create(); - if (routing.graph == NULL) - return -1; - - if (rib_add(RIB_ROOT, ROUTING_NAME)) { - graph_destroy(routing.graph); - return -1; - } - - routing.nbs = nbs; - - routing.nb_notifier.notify_call = routing_neighbor_event; - if (nbs_reg_notifier(routing.nbs, &routing.nb_notifier)) { - graph_destroy(routing.graph); - rib_del(ROUTING_PATH); - return -1; - } - - routing.set = ro_set_create(); - if (routing.set == NULL) { - nbs_unreg_notifier(routing.nbs, &routing.nb_notifier); - graph_destroy(routing.graph); - rib_del(ROUTING_PATH); - return -1; - } - - routing.queue = rqueue_create(); - if (routing.queue == NULL) { - ro_set_destroy(routing.set); - nbs_unreg_notifier(routing.nbs, &routing.nb_notifier); - graph_destroy(routing.graph); - rib_del(ROUTING_PATH); - return -1; - } - - pthread_create(&routing.rib_listener, NULL, rib_listener, NULL); - - return 0; + return routing.ops->routing_i_destroy(instance); } void routing_fini(void) { - pthread_cancel(routing.rib_listener); - - pthread_join(routing.rib_listener, NULL); - - rqueue_destroy(routing.queue); - - ro_set_destroy(routing.set); - - graph_destroy(routing.graph); - - rib_del(ROUTING_PATH); - - nbs_unreg_notifier(routing.nbs, &routing.nb_notifier); + routing.ops->fini(); } diff --git a/src/ipcpd/normal/routing.h b/src/ipcpd/normal/routing.h index 0794ef28..7e47a425 100644 --- a/src/ipcpd/normal/routing.h +++ b/src/ipcpd/normal/routing.h @@ -23,6 +23,7 @@ #ifndef OUROBOROS_IPCPD_NORMAL_ROUTING_H #define OUROBOROS_IPCPD_NORMAL_ROUTING_H +#include <ouroboros/ipcp.h> #include <ouroboros/qos.h> #include "pff.h" @@ -30,11 +31,8 @@ #include <stdint.h> -/* - * Routing will take a type in the future, - * to allow different policies. - */ -int routing_init(struct nbs * nbs); +int routing_init(enum pol_routing pr, + struct nbs * nbs); void routing_fini(void); diff --git a/src/lib/ipcp_config.proto b/src/lib/ipcp_config.proto index b6c8c303..25516c2c 100644 --- a/src/lib/ipcp_config.proto +++ b/src/lib/ipcp_config.proto @@ -38,9 +38,10 @@ message ipcp_config_msg { optional uint32 addr_auth_type = 6; optional uint32 dt_gam_type = 7; optional uint32 rm_gam_type = 8; + optional uint32 routing_type = 9; // Config for shim UDP - optional uint32 ip_addr = 9; - optional uint32 dns_addr = 10; + optional uint32 ip_addr = 10; + optional uint32 dns_addr = 11; // Config for the shim Ethernet LLC - optional string if_name = 11; + optional string if_name = 12; } diff --git a/src/lib/irm.c b/src/lib/irm.c index d2f85bbf..68202ad9 100644 --- a/src/lib/irm.c +++ b/src/lib/irm.c @@ -126,6 +126,8 @@ int irm_bootstrap_ipcp(pid_t api, config.dt_gam_type = conf->dt_gam_type; config.has_rm_gam_type = true; config.rm_gam_type = conf->rm_gam_type; + config.has_routing_type = true; + config.routing_type = conf->routing_type; break; case IPCP_SHIM_UDP: config.has_ip_addr = true; diff --git a/src/tools/irm/irm_ipcp_bootstrap.c b/src/tools/irm/irm_ipcp_bootstrap.c index 44fdfb3d..6457a983 100644 --- a/src/tools/irm/irm_ipcp_bootstrap.c +++ b/src/tools/irm/irm_ipcp_bootstrap.c @@ -46,18 +46,19 @@ #define SHA3_384 "SHA3_384" #define SHA3_512 "SHA3_512" -#define DEFAULT_HASH_ALGO HASH_SHA3_256 -#define DEFAULT_HASH_STR SHA3_256 -#define DEFAULT_ADDR_SIZE 4 -#define DEFAULT_FD_SIZE 2 -#define DEFAULT_DDNS 0 -#define DEFAULT_ADDR_AUTH FLAT_RANDOM -#define DEFAULT_DT_GAM COMPLETE -#define DEFAULT_RM_GAM COMPLETE -#define ADDR_AUTH_FLAT "flat" - -#define DT_GAM_COMPLETE "complete" -#define RM_GAM_COMPLETE "complete" +#define DEFAULT_HASH_ALGO HASH_SHA3_256 +#define DEFAULT_HASH_STR SHA3_256 +#define DEFAULT_ADDR_SIZE 4 +#define DEFAULT_FD_SIZE 2 +#define DEFAULT_DDNS 0 +#define DEFAULT_ADDR_AUTH FLAT_RANDOM +#define DEFAULT_DT_GAM COMPLETE +#define DEFAULT_RM_GAM COMPLETE +#define DEFAULT_ROUTING LINK_STATE +#define ADDR_AUTH_FLAT "flat" +#define DT_GAM_COMPLETE "complete" +#define RM_GAM_COMPLETE "complete" +#define ROUTING_LINK_STATE "link_state" static void usage(void) { @@ -80,6 +81,7 @@ static void usage(void) " (default: %s)]\n" " [rm_gam <rib manager graph adjacency manager>" " (default: %s)]\n" + " [routing <routing policy> (default: %s)]\n" "if TYPE == " SHIM_UDP "\n" " ip <IP address in dotted notation>\n" " [dns <DDNS IP address in dotted notation>" @@ -87,7 +89,8 @@ static void usage(void) "if TYPE == " SHIM_ETH_LLC "\n" " if_name <interface name>\n", DEFAULT_HASH_STR, DEFAULT_ADDR_SIZE, DEFAULT_FD_SIZE, - ADDR_AUTH_FLAT, DT_GAM_COMPLETE, RM_GAM_COMPLETE, DEFAULT_DDNS); + ADDR_AUTH_FLAT, DT_GAM_COMPLETE, RM_GAM_COMPLETE, + ROUTING_LINK_STATE, DEFAULT_DDNS); } int do_bootstrap_ipcp(int argc, char ** argv) @@ -102,6 +105,7 @@ int do_bootstrap_ipcp(int argc, char ** argv) enum pol_addr_auth addr_auth_type = DEFAULT_ADDR_AUTH; enum pol_gam dt_gam_type = DEFAULT_DT_GAM; enum pol_gam rm_gam_type = DEFAULT_RM_GAM; + enum pol_routing routing_type = DEFAULT_ROUTING; uint32_t ip_addr = 0; uint32_t dns_addr = DEFAULT_DDNS; char * ipcp_type = NULL; @@ -149,6 +153,9 @@ int do_bootstrap_ipcp(int argc, char ** argv) } else if (matches(*argv, "rm_gam") == 0) { if (strcmp(RM_GAM_COMPLETE, *(argv + 1)) == 0) rm_gam_type = COMPLETE; + } else if (matches(*argv, "routing") == 0) { + if (strcmp(ROUTING_LINK_STATE, *(argv + 1)) == 0) + routing_type = LINK_STATE; } else { printf("\"%s\" is unknown, try \"irm " "ipcp bootstrap\".\n", *argv); @@ -191,6 +198,7 @@ int do_bootstrap_ipcp(int argc, char ** argv) conf.addr_auth_type = addr_auth_type; conf.dt_gam_type = dt_gam_type; conf.rm_gam_type = rm_gam_type; + conf.routing_type = routing_type; } else if (strcmp(ipcp_type, SHIM_UDP) == 0) { conf.type = IPCP_SHIM_UDP; if (ip_addr == 0) { |