Merge branch 'testing' into be

10 files changed, 147 insertions, 204 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index af051078..3b3ef9bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ include(GNUInstallDirs)
 
 set(PACKAGE_VERSION_MAJOR  0)
 set(PACKAGE_VERSION_MINOR 11)
-set(PACKAGE_VERSION_PATCH  8)
+set(PACKAGE_VERSION_PATCH  9)
 
 set(PACKAGE_NAME        "${CMAKE_PROJECT_NAME}")
 set(PACKAGE_DESCRIPTION "The Ouroboros prototype")
diff --git a/include/ouroboros/time_utils.h b/include/ouroboros/time_utils.h
index d62b4c06..1d02cb1f 100644
--- a/include/ouroboros/time_utils.h
+++ b/include/ouroboros/time_utils.h
@@ -36,7 +36,6 @@
 
 #include <time.h>
 #include <sys/time.h>
-#include <limits.h> /* LONG_MAX */
 
 /* functions for timespecs */
 #define ts_diff_ns(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * BILLION     \
@@ -53,29 +52,70 @@
                             + ((tx)->tv_usec - (t0)->tv_usec) / MILLION)
 
 /* functions for timespecs */
-int ts_add(const struct timespec * t,
-           const struct timespec * intv,
-           struct timespec *       res);
 
-int ts_diff(const struct timespec * t,
-            const struct timespec * intv,
-            struct timespec *       res);
+#define ts_add(t, intv, res)                                    \
+        do {                                                    \
+                time_t nanos = 0;                               \
+                nanos = (t)->tv_nsec + (intv)->tv_nsec;         \
+                (res)->tv_sec = (t)->tv_sec + (intv)->tv_sec;   \
+                while (nanos >= BILLION) {                      \
+                        nanos -= BILLION;                       \
+                        ++((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_nsec = nanos;                         \
+        } while (0);
+
+#define ts_diff(t, intv, res)                                   \
+        do {                                                    \
+                time_t nanos = 0;                               \
+                nanos = (t)->tv_nsec - (intv)->tv_nsec;         \
+                (res)->tv_sec = (t)->tv_sec - (intv)->tv_sec;   \
+                while (nanos < 0) {                             \
+                        nanos += BILLION;                       \
+                        --((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_nsec = nanos;                         \
+        } while (0);
 
 /* functions for timevals */
-int tv_add(const struct timeval * t,
-           const struct timeval * intv,
-           struct timeval *       res);
 
-int tv_diff(const struct timeval * t,
-            const struct timeval * intv,
-            struct timeval *       res);
+#define tv_add(t, intv, res)                                    \
+        do {                                                    \
+                time_t micros = 0;                              \
+                micros = (t)->tv_usec + (intv)->tv_usec;        \
+                (res)->tv_sec = (t)->tv_sec + (intv)->tv_sec;   \
+                while (micros >= MILLION) {                     \
+                        micros -= MILLION;                      \
+                        ++((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_usec = micros;                        \
+        } while (0);
+
+#define tv_diff(t, intv, res)                                   \
+        do {                                                    \
+                time_t micros = 0;                              \
+                micros = (t)->tv_usec - (intv)->tv_usec;        \
+                (res)->tv_sec = (t)->tv_sec - (intv)->tv_sec;   \
+                while (micros < 0) {                            \
+                        micros += MILLION;                      \
+                        --((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_usec = micros;                        \
+        } while (0);
+
 
 /* copying a timeval into a timespec */
-int tv_to_ts(const struct timeval * src,
-             struct timespec *      dst);
+#define tv_to_ts(tv, ts)                                \
+        do {                                            \
+                (ts)->tv_sec  = (tv)->tv_sec;           \
+                (ts)->tv_nsec = (tv)->tv_usec * 1000L;  \
+        } while (0);
 
 /* copying a timespec into a timeval (loss of resolution) */
-int ts_to_tv(const struct timespec * src,
-             struct timeval *        dst);
+#define ts_to_tv(ts, tv)                                \
+        do {                                            \
+                (tv)->tv_sec  = (ts)->tv_sec;           \
+                (tv)->tv_usec = (ts)->tv_nsec / 1000L;  \
+        } while (0);
 
 #endif /* OUROBOROS_TIME_UTILS_H */
diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c
index 0bd1589d..443f3fdb 100644
--- a/src/ipcpd/eth/eth.c
+++ b/src/ipcpd/eth/eth.c
@@ -93,10 +93,9 @@
 #include <net/bpf.h>
 #endif
 
-#define MAC_SIZE             6
 #ifdef __linux__
 #ifndef ETH_MAX_MTU          /* In if_ether.h as of Linux 4.10. */
-#define ETH_MAX_MTU          65535
+#define ETH_MAX_MTU          0xFFFFU
 #endif /* ETH_MAX_MTU */
 #ifdef BUILD_ETH_DIX
 #define ETH_MTU              eth_data.mtu
@@ -110,6 +109,7 @@
 #define ETH_MTU_MAX          ETH_MTU
 #endif /* __linux__ */
 
+#define MAC_SIZE             6
 #define ETH_TYPE_LENGTH_SIZE sizeof(uint16_t)
 #define ETH_HEADER_SIZE      (2 * MAC_SIZE + ETH_TYPE_LENGTH_SIZE)
 
@@ -121,21 +121,22 @@
 #define DIX_HEADER_SIZE      (DIX_EID_SIZE + DIX_LENGTH_SIZE)
 #define ETH_HEADER_TOT_SIZE  (ETH_HEADER_SIZE + DIX_HEADER_SIZE)
 #define MAX_EIDS             (1 << (8 * DIX_EID_SIZE))
-#define ETH_MAX_SDU_SIZE     (ETH_MTU_MAX - DIX_HEADER_SIZE)
-#define ETH_FRAME_SIZE       (ETH_HEADER_TOT_SIZE + ETH_MAX_SDU_SIZE)
+#define ETH_MAX_SDU_SIZE     (ETH_MTU - DIX_HEADER_SIZE)
+#define ETH_FRAME_SIZE       (ETH_HEADER_SIZE + ETH_MTU_MAX)
 #elif defined(BUILD_ETH_LLC)
 #define THIS_TYPE            IPCP_ETH_LLC
 #define MGMT_SAP             0x01
 #define LLC_HEADER_SIZE      3
 #define ETH_HEADER_TOT_SIZE  (ETH_HEADER_SIZE + LLC_HEADER_SIZE)
 #define MAX_SAPS             64
-#define ETH_MAX_SDU_SIZE     (ETH_MTU_MAX - LLC_HEADER_SIZE)
-#define ETH_FRAME_SIZE       (ETH_HEADER_TOT_SIZE + ETH_MAX_SDU_SIZE)
+#define ETH_MAX_SDU_SIZE     (ETH_MTU - LLC_HEADER_SIZE)
+#define ETH_FRAME_SIZE       (ETH_HEADER_SIZE + ETH_MTU_MAX)
 #endif
 
 #define ALLOC_TIMEO          10    /* ms */
 #define NAME_QUERY_TIMEO     2000  /* ms */
 #define MGMT_TIMEO           100   /* ms */
+#define MGMT_FRAME_SIZE      512
 
 #define FLOW_REQ             0
 #define FLOW_REPLY           1
@@ -184,7 +185,7 @@ struct ef {
 struct mgmt_frame {
         struct list_head next;
         uint8_t          r_addr[MAC_SIZE];
-        uint8_t          buf[ETH_FRAME_SIZE];
+        uint8_t          buf[MGMT_FRAME_SIZE];
 };
 
 struct {
@@ -375,7 +376,7 @@ static int eth_ipcp_send_frame(const uint8_t * dst_addr,
 
         assert(frame);
 
-        if (len > ETH_MAX_SDU_SIZE)
+        if (len > (size_t) ETH_MAX_SDU_SIZE)
                 return -1;
 
         e_frame = (struct eth_frame *) frame;
@@ -840,10 +841,16 @@ static void * eth_ipcp_sdu_reader(void * o)
                 if (select(eth_data.s_fd + 1, &fds, NULL, NULL, NULL) < 0)
                         continue;
                 assert(FD_ISSET(eth_data.s_fd, &fds));
-                if (ipcp_sdb_reserve(&sdb, eth_data.mtu))
+                if (ipcp_sdb_reserve(&sdb, ETH_MTU))
                         continue;
-                buf = shm_du_buff_head(sdb);
-                frame_len = recv(eth_data.s_fd, buf, ETH_FRAME_SIZE, 0);
+                buf = shm_du_buff_head_alloc(sdb, ETH_HEADER_TOT_SIZE);
+                if (buf == NULL) {
+                        log_dbg("Failed to allocate header.");
+                        ipcp_sdb_release(sdb);
+                        continue;
+                }
+                frame_len = recv(eth_data.s_fd, buf,
+                                 ETH_MTU + ETH_HEADER_TOT_SIZE, 0);
     #endif
                 if (frame_len <= 0) {
                         ipcp_sdb_release(sdb);
@@ -894,11 +901,8 @@ static void * eth_ipcp_sdu_reader(void * o)
 
                 if (ssap == MGMT_SAP && dsap == MGMT_SAP) {
 #endif
-                        pthread_mutex_lock(&eth_data.mgmt_lock);
-
                         frame = malloc(sizeof(*frame));
                         if (frame == NULL) {
-                                pthread_mutex_unlock(&eth_data.mgmt_lock);
 #ifndef HAVE_NETMAP
                                 ipcp_sdb_release(sdb);
 #endif
@@ -907,6 +911,8 @@ static void * eth_ipcp_sdu_reader(void * o)
 
                         memcpy(frame->buf, &e_frame->payload, length);
                         memcpy(frame->r_addr, e_frame->src_hwaddr, MAC_SIZE);
+                        pthread_mutex_unlock(&eth_data.mgmt_lock);
+
                         list_add(&frame->next, &eth_data.mgmt_frames);
                         pthread_cond_signal(&eth_data.mgmt_cond);
                         pthread_mutex_unlock(&eth_data.mgmt_lock);
@@ -979,7 +985,7 @@ static void * eth_ipcp_sdu_writer(void * o)
                 pthread_rwlock_rdlock(&eth_data.flows_lock);
                 while ((fd = fqueue_next(eth_data.fq)) >= 0) {
                         if (ipcp_flow_read(fd, &sdb)) {
-                                log_err("Bad read from fd %d.", fd);
+                                log_dbg("Bad read from fd %d.", fd);
                                 continue;
                         }
 
@@ -987,7 +993,7 @@ static void * eth_ipcp_sdu_writer(void * o)
 
                         if (shm_du_buff_head_alloc(sdb, ETH_HEADER_TOT_SIZE)
                             == NULL) {
-                                log_err("Failed to allocate header.");
+                                log_dbg("Failed to allocate header.");
                                 ipcp_sdb_release(sdb);
                         }
 #if defined(BUILD_ETH_DIX)
@@ -1237,12 +1243,6 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
                 return -1;
         }
 
-        if (ioctl(skfd, SIOCGIFHWADDR, &ifr)) {
-                log_err("Failed to get hwaddr.");
-                close(skfd);
-                return -1;
-        }
-
         if (ioctl(skfd, SIOCGIFMTU, &ifr)) {
                 log_err("Failed to get MTU.");
                 close(skfd);
@@ -1263,6 +1263,12 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
 #endif
         log_dbg("Layer MTU is %d.", eth_data.mtu);
 
+        if (ioctl(skfd, SIOCGIFHWADDR, &ifr)) {
+                log_err("Failed to get hwaddr.");
+                close(skfd);
+                return -1;
+        }
+
         close(skfd);
 
         idx = if_nametoindex(conf->dev);
diff --git a/src/ipcpd/normal/dht.c b/src/ipcpd/normal/dht.c
index 069b89d5..a6f1928b 100644
--- a/src/ipcpd/normal/dht.c
+++ b/src/ipcpd/normal/dht.c
@@ -48,6 +48,7 @@
 #include <string.h>
 #include <assert.h>
 #include <inttypes.h>
+#include <limits.h>
 
 #include "kademlia.pb-c.h"
 typedef KadMsg kad_msg_t;
diff --git a/src/ipcpd/normal/dir.c b/src/ipcpd/normal/dir.c
index 1c883974..345d220d 100644
--- a/src/ipcpd/normal/dir.c
+++ b/src/ipcpd/normal/dir.c
@@ -37,6 +37,7 @@
 #include <string.h>
 #include <assert.h>
 #include <inttypes.h>
+#include <limits.h>
 
 #define KAD_B (hash_len(ipcpi.dir_hash_algo) * CHAR_BIT)
 
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 973c2458..e7e07802 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -206,7 +206,6 @@ set(SOURCE_FILES_COMMON
   shm_rbuff.c
   shm_rdrbuff.c
   sockets.c
-  time_utils.c
   tpm.c
   utils.c
 )
diff --git a/src/lib/rib.c b/src/lib/rib.c
index 22397e24..685575e5 100644
--- a/src/lib/rib.c
+++ b/src/lib/rib.c
@@ -324,7 +324,7 @@ int rib_init(const char * mountpt)
         rmdir(rib.mnt);
         return -1;
 #else
-        (void) prefix;
+        (void) mountpt;
         return 0;
 #endif
 }
diff --git a/src/lib/time_utils.c b/src/lib/time_utils.c
deleted file mode 100644
index 0701e2d3..00000000
--- a/src/lib/time_utils.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2018
- *
- * Time utilities
- *
- *    Dimitri Staessens <dimitri.staessens@ugent.be>
- *    Sander Vrijders   <sander.vrijders@ugent.be>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#define _POSIX_C_SOURCE 199309L
-
-#include <ouroboros/time_utils.h>
-#include <stddef.h>
-
-/* functions for timespecs */
-
-/* add intv to t and store it in res*/
-int ts_add(const struct timespec * t,
-           const struct timespec * intv,
-           struct timespec *       res)
-{
-        time_t nanos = 0;
-
-        if (t == NULL || intv == NULL || res == NULL)
-                return -1;
-
-        nanos = t->tv_nsec + intv->tv_nsec;
-
-        res->tv_sec = t->tv_sec + intv->tv_sec;
-        while (nanos >= BILLION) {
-                nanos -= BILLION;
-                ++(res->tv_sec);
-        }
-
-        res->tv_nsec = nanos;
-
-        return 0;
-}
-
-/* subtract intv from t and stores it in res */
-int ts_diff(const struct timespec * t,
-            const struct timespec * intv,
-            struct timespec *       res)
-{
-        time_t nanos = 0;
-
-        if (t == NULL || intv == NULL || res == NULL)
-                return -1;
-
-        nanos = t->tv_nsec - intv->tv_nsec;
-
-        res->tv_sec = t->tv_sec - intv->tv_sec;
-        while (nanos < 0) {
-                nanos += BILLION;
-                --(res->tv_sec);
-        }
-        res->tv_nsec = nanos;
-
-        return 0;
-}
-
-/* functions for timevals */
-
-/* add intv to t and store it in res*/
-int tv_add(const struct timeval * t,
-           const struct timeval * intv,
-           struct timeval *       res)
-{
-        time_t micros = 0;
-
-        if (t == NULL || intv == NULL || res == NULL)
-                return -1;
-
-        micros = t->tv_usec + intv->tv_usec;
-
-        res->tv_sec = t->tv_sec + intv->tv_sec;
-        while (micros >= MILLION) {
-                micros -= MILLION;
-                ++(res->tv_sec);
-        }
-        res->tv_usec = micros;
-
-        return 0;
-}
-
-/* subtract intv from t and stores it in res */
-int tv_diff(const struct timeval * t,
-            const struct timeval * intv,
-            struct timeval       * res)
-{
-        time_t micros = 0;
-
-        if (t == NULL || intv == NULL || res == NULL)
-                return -1;
-
-        micros = t->tv_usec - intv->tv_usec;
-
-        res->tv_sec = t->tv_sec - intv->tv_sec;
-        while (micros < 0) {
-                micros += MILLION;
-                --(res->tv_sec);
-        }
-        res->tv_usec = micros;
-
-        return 0;
-}
-
-int tv_to_ts(const struct timeval * src,
-             struct timespec *      dst)
-{
-        if (src == NULL || dst == NULL)
-                return -1;
-
-        dst->tv_sec  = src->tv_sec;
-        dst->tv_nsec = src->tv_usec * 1000L;
-
-        return 0;
-}
-
-/* copying a timespec into a timeval (loss of resolution) */
-int ts_to_tv(const struct timespec * src,
-             struct timeval *        dst)
-{
-        if (src == NULL || dst == NULL)
-                return -1;
-
-        dst->tv_sec  = src->tv_sec;
-        dst->tv_usec = src->tv_nsec / 1000L;
-
-        return 0;
-}
diff --git a/src/tools/oping/oping.c b/src/tools/oping/oping.c
index e36b3bd5..bc8907e6 100644
--- a/src/tools/oping/oping.c
+++ b/src/tools/oping/oping.c
@@ -46,6 +46,7 @@
 
 #include "time_utils.h"
 
+#include <limits.h>
 #include <stdio.h>
 #include <string.h>
 #include <pthread.h>
diff --git a/src/tools/time_utils.h b/src/tools/time_utils.h
index c9760a8b..f4f561bd 100644
--- a/src/tools/time_utils.h
+++ b/src/tools/time_utils.h
@@ -35,7 +35,6 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 #ifndef OUROBOROS_TOOLS_TIME_UTILS_H
 #define OUROBOROS_TOOLS_TIME_UTILS_H
 
@@ -52,7 +51,6 @@
 
 #include <time.h>
 #include <sys/time.h>
-#include <limits.h> /* LONG_MAX */
 
 /* functions for timespecs */
 #define ts_diff_ns(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * BILLION     \
@@ -69,29 +67,70 @@
                             + ((tx)->tv_usec - (t0)->tv_usec) / MILLION)
 
 /* functions for timespecs */
-int ts_add(const struct timespec * t,
-           const struct timespec * intv,
-           struct timespec *       res);
 
-int ts_diff(const struct timespec * t,
-            const struct timespec * intv,
-            struct timespec *       res);
+#define ts_add(t, intv, res)                                    \
+        do {                                                    \
+                time_t nanos = 0;                               \
+                nanos = (t)->tv_nsec + (intv)->tv_nsec;         \
+                (res)->tv_sec = (t)->tv_sec + (intv)->tv_sec;   \
+                while (nanos >= BILLION) {                      \
+                        nanos -= BILLION;                       \
+                        ++((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_nsec = nanos;                         \
+        } while (0);
+
+#define ts_diff(t, intv, res)                                   \
+        do {                                                    \
+                time_t nanos = 0;                               \
+                nanos = (t)->tv_nsec - (intv)->tv_nsec;         \
+                (res)->tv_sec = (t)->tv_sec - (intv)->tv_sec;   \
+                while (nanos < 0) {                             \
+                        nanos += BILLION;                       \
+                        --((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_nsec = nanos;                         \
+        } while (0);
 
 /* functions for timevals */
-int tv_add(const struct timeval * t,
-           const struct timeval * intv,
-           struct timeval *       res);
 
-int tv_diff(const struct timeval * t,
-            const struct timeval * intv,
-            struct timeval *       res);
+#define tv_add(t, intv, res)                                    \
+        do {                                                    \
+                time_t micros = 0;                              \
+                nanos = (t)->tv_usec + (intv)->tv_usec;         \
+                (res)->tv_sec = (t)->tv_sec + (intv)->tv_sec;   \
+                while (micros >= MILLION) {                     \
+                        micros -= MILLION;                      \
+                        ++((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_nsec = nanos;                         \
+        } while (0);
+
+#define tv_diff(t, intv, res)                                   \
+        do {                                                    \
+                time_t micros = 0;                              \
+                micros = (t)->tv_usec - (intv)->tv_usec;        \
+                (res)->tv_sec = (t)->tv_sec - (intv)->tv_sec;   \
+                while (micros < 0) {                            \
+                        micros += MILLION;                      \
+                        --((res)->tv_sec);                      \
+                }                                               \
+                (res)->tv_usec = micros;                        \
+        } while (0);
+
 
 /* copying a timeval into a timespec */
-int tv_to_ts(const struct timeval * src,
-             struct timespec *      dst);
+#define tv_to_ts(tv, ts)                                \
+        do {                                            \
+                (ts)->tv_sec  = (tv)->tv_sec;           \
+                (ts)->tv_nsec = (tv)->tv_usec * 1000L;  \
+        } while (0);
 
 /* copying a timespec into a timeval (loss of resolution) */
-int ts_to_tv(const struct timespec * src,
-             struct timeval *        dst);
+#define ts_to_tv(ts, tv)                                \
+        do {                                            \
+                (tv)->tv_sec  = (ts)->tv_sec;           \
+                (tv)->tv_usec = (ts)->tv_nsec / 1000L;  \
+        } while (0);
 
 #endif /* OUROBOROS_TOOLS_TIME_UTILS_H */