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-rw-r--r--src/ipcpd/normal/pol/complete.c180
-rw-r--r--src/ipcpd/normal/pol/complete.h41
-rw-r--r--src/ipcpd/normal/pol/flat.c106
-rw-r--r--src/ipcpd/normal/pol/flat.h4
-rw-r--r--src/ipcpd/normal/pol/link_state.c52
5 files changed, 40 insertions, 343 deletions
diff --git a/src/ipcpd/normal/pol/complete.c b/src/ipcpd/normal/pol/complete.c
deleted file mode 100644
index 6c6e7372..00000000
--- a/src/ipcpd/normal/pol/complete.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Sets up a complete graph
- *
- * 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/.
- */
-
-#define _POSIX_C_SOURCE 200112L
-
-#define OUROBOROS_PREFIX "complete"
-
-#include <ouroboros/qoscube.h>
-#include <ouroboros/rib.h>
-#include <ouroboros/dev.h>
-#include <ouroboros/logs.h>
-#include <ouroboros/errno.h>
-#include <ouroboros/cacep.h>
-
-#include "neighbors.h"
-#include "ribconfig.h"
-#include "ipcp.h"
-#include "ae.h"
-
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#define COMPLETE_REFRESH 1000 /* ms */
-
-struct complete {
- struct nbs * nbs;
- struct ae * ae;
- pthread_t allocator;
- pthread_t listener;
-};
-
-static void * listener(void * o)
-{
- struct complete * complete;
- struct conn conn;
-
- complete = (struct complete *) o;
-
- while (true) {
- if (connmgr_wait(complete->ae, &conn)) {
- log_err("Error while getting next connection.");
- continue;
- }
-
- if (nbs_add(complete->nbs, conn)) {
- log_err("Failed to add neighbor.");
- continue;
- }
- }
-
- return (void *) 0;
-}
-
-static void path_reset(char * path)
-{
- path[strlen(MEMBERS_PATH)] = '\0';
-}
-
-static void * allocator(void * o)
-{
- qosspec_t qs;
- ssize_t len;
- char ** children;
- ssize_t i;
- struct complete * complete;
- struct conn conn;
- uint64_t addr;
- char path[RIB_MAX_PATH_LEN];
- struct timespec to = {(COMPLETE_REFRESH / 1000),
- (COMPLETE_REFRESH % 1000) * 1000000};
-
- strcpy(path, MEMBERS_PATH);
-
- complete = (struct complete *) o;
-
- qosspec_init(&qs);
-
- while (true) {
- len = rib_children(MEMBERS_PATH, &children);
- for (i = 0; i < len; ++i) {
- if (strcmp(children[i], ipcpi.name) != 0) {
- path_reset(path);
- rib_path_append(path, children[i]);
- if (rib_read(path, &addr,
- sizeof(addr)) !=
- sizeof(addr)) {
- log_err("Failed to read address.");
- free(children[i]);
- continue;
- }
-
- if (nbs_has(complete->nbs, addr)) {
- free(children[i]);
- continue;
- }
-
- if (connmgr_alloc(complete->ae, children[i],
- &qs, &conn)) {
- log_warn("Failed conn to neighbor.");
- free(children[i]);
- continue;
- }
-
- if (nbs_add(complete->nbs, conn)) {
- log_err("Failed to add neighbor.");
- free(children[i]);
- continue;
- }
- }
-
- free(children[i]);
- }
-
- if (len > 0)
- free(children);
-
- nanosleep(&to, NULL);
- }
-
- return (void *) 0;
-}
-
-void * complete_create(struct nbs * nbs,
- struct ae * ae)
-{
- struct complete * complete;
-
- complete = malloc(sizeof(*complete));
- if (complete == NULL)
- return NULL;
-
- complete->nbs = nbs;
- complete->ae = ae;
-
- if (pthread_create(&complete->allocator, NULL,
- allocator, (void *) complete))
- return NULL;
-
- if (pthread_create(&complete->listener, NULL,
- listener, (void *) complete))
- return NULL;
-
- return complete;
-}
-
-void complete_destroy(void * ops_o)
-{
- struct complete * complete;
-
- assert(ops_o);
-
- complete = (struct complete *) ops_o;
-
- pthread_cancel(complete->allocator);
- pthread_cancel(complete->listener);
- pthread_join(complete->allocator, NULL);
- pthread_join(complete->listener, NULL);
-
- free(complete);
-}
diff --git a/src/ipcpd/normal/pol/complete.h b/src/ipcpd/normal/pol/complete.h
deleted file mode 100644
index 54c4a9ef..00000000
--- a/src/ipcpd/normal/pol/complete.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Sets up a complete graph
- *
- * 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_POL_COMPLETE_H
-#define OUROBOROS_IPCPD_NORMAL_POL_COMPLETE_H
-
-#include <ouroboros/ipcp.h>
-#include <ouroboros/qos.h>
-
-#include "pol-gam-ops.h"
-
-void * complete_create(struct nbs * nbs,
- struct ae * ae);
-
-void complete_destroy(void * ops_o);
-
-struct pol_gam_ops complete_ops = {
- .create = complete_create,
- .destroy = complete_destroy
-};
-
-#endif /* OUROBOROS_IPCPD_NORMAL_POL_COMPLETE_H */
diff --git a/src/ipcpd/normal/pol/flat.c b/src/ipcpd/normal/pol/flat.c
index 1fece07f..7a5a785e 100644
--- a/src/ipcpd/normal/pol/flat.c
+++ b/src/ipcpd/normal/pol/flat.c
@@ -42,47 +42,21 @@
#define NAME_LEN 8
#define REC_DIF_SIZE 10000
-/* convert 32 bit addr to a hex string */
-static void addr_name(char * name,
- uint32_t addr)
-{
- sprintf(name, "%8x", (uint32_t) (addr));
-}
-
-static int addr_taken(char * name,
- char ** members,
- size_t len)
-{
- size_t i;
- char path[RIB_MAX_PATH_LEN + 1];
-
- size_t reset;
- strcpy(path, MEMBERS_PATH);
-
- reset = strlen(path);
-
- for (i = 0; i < len; ++i) {
- ssize_t j;
- ssize_t c;
- char ** addrs;
- rib_path_append(path, members[i]);
- c = rib_children(path, &addrs);
- for (j = 0; j < c; ++j)
- if (strcmp(addrs[j], name) == 0) {
- freepp(char, addrs, c);
- return 1;
- }
- freepp(char, addrs, c);
- path[reset] = '\0';
- }
-
- return 0;
-}
+struct {
+ uint8_t addr_size;
+} flat;
#define INVALID_ADDRESS 0
-int flat_init(void)
+int flat_init(const void * info)
{
+ flat.addr_size = *((uint8_t *) info);
+
+ if (flat.addr_size != 4) {
+ log_err("Flat address policy mandates 4 byte addresses.");
+ return -1;
+ }
+
return 0;
}
@@ -94,66 +68,12 @@ int flat_fini(void)
uint64_t flat_address(void)
{
struct timespec t;
-
- char path[RIB_MAX_PATH_LEN];
- char name[NAME_LEN + 1];
- uint32_t addr;
- uint8_t addr_size;
-
- char ** members;
- ssize_t n_members;
-
- strcpy(path, MEMBERS_PATH);
-
- if (!rib_has(path)) {
- log_err("Could not read members from RIB.");
- return INVALID_ADDRESS;
- }
-
- if (rib_read("/" BOOT_NAME "/dt/const/addr_size",
- &addr_size, sizeof(addr_size)) != sizeof(addr_size)) {
- log_err("Failed to read address size.");
- return INVALID_ADDRESS;
- }
-
- if (addr_size != 4) {
- log_err("Flat address policy mandates 4 byte addresses.");
- return INVALID_ADDRESS;
- }
-
- n_members = rib_children(path, &members);
- if (n_members > REC_DIF_SIZE)
- log_warn("DIF exceeding recommended size for flat addresses.");
-
- rib_path_append(path, ipcpi.name);
-
- if (!rib_has(path)) {
- log_err("This ipcp is not a member.");
- freepp(char, members, n_members);
- return INVALID_ADDRESS;
- }
+ uint32_t addr;
clock_gettime(CLOCK_REALTIME, &t);
srand(t.tv_nsec);
- assert(n_members > 0);
-
- do {
- addr = (rand() % (RAND_MAX - 1) + 1) & 0xFFFFFFFF;
- addr_name(name, addr);
- } while (addr_taken(name, members, n_members));
-
- freepp(char, members, n_members);
-
- if (rib_add(path, name)) {
- log_err("Failed to add address to RIB.");
- return INVALID_ADDRESS;
- }
-
- if (rib_write(path, &addr, sizeof(addr))) {
- log_err("Failed to write address in RIB.");
- return INVALID_ADDRESS;
- }
+ addr = (rand() % (RAND_MAX - 1) + 1) & 0xFFFFFFFF;
return addr;
}
diff --git a/src/ipcpd/normal/pol/flat.h b/src/ipcpd/normal/pol/flat.h
index af49d283..57af591e 100644
--- a/src/ipcpd/normal/pol/flat.h
+++ b/src/ipcpd/normal/pol/flat.h
@@ -25,8 +25,10 @@
#include "pol-addr-auth-ops.h"
-int flat_init(void);
+int flat_init(const void * info);
+
int flat_fini(void);
+
uint64_t flat_address(void);
struct pol_addr_auth_ops flat_ops = {
diff --git a/src/ipcpd/normal/pol/link_state.c b/src/ipcpd/normal/pol/link_state.c
index 9dfed5c0..512ced7f 100644
--- a/src/ipcpd/normal/pol/link_state.c
+++ b/src/ipcpd/normal/pol/link_state.c
@@ -130,10 +130,6 @@ static int link_state_neighbor_event(enum nb_event event,
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);
@@ -305,42 +301,42 @@ int link_state_init(struct nbs * nbs)
{
link_state.graph = graph_create();
if (link_state.graph == NULL)
- return -1;
+ goto fail_graph;
- if (rib_add(RIB_ROOT, ROUTING_NAME)) {
- graph_destroy(link_state.graph);
- return -1;
- }
+ if (rib_add(RIB_ROOT, ROUTING_NAME))
+ goto fail_rib_add;
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;
- }
+ if (nbs_reg_notifier(link_state.nbs, &link_state.nb_notifier))
+ goto fail_nbs_reg_notifier;
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;
- }
+ if (link_state.set == NULL)
+ goto fail_ro_set_create;
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;
- }
+ if (link_state.queue == NULL)
+ goto fail_rqueue_create;
- pthread_create(&link_state.rib_listener, NULL, rib_listener, NULL);
+ if (pthread_create(&link_state.rib_listener, NULL, rib_listener, NULL))
+ goto fail_listener_create;
return 0;
+
+ fail_listener_create:
+ ro_set_destroy(link_state.set);
+ fail_rqueue_create:
+ ro_set_destroy(link_state.set);
+ fail_ro_set_create:
+ nbs_unreg_notifier(link_state.nbs, &link_state.nb_notifier);
+ fail_nbs_reg_notifier:
+ rib_del(ROUTING_PATH);
+ fail_rib_add:
+ graph_destroy(link_state.graph);
+ fail_graph:
+ return -1;
}
void link_state_fini(void)
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 17:52:30 +0000