Merged in dstaesse/ouroboros/be-deprecate-gam (pull request #572)

Be deprecate gam

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)