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authorSander Vrijders <sander.vrijders@intec.ugent.be>2016-10-21 12:44:00 +0000
committerSander Vrijders <sander.vrijders@intec.ugent.be>2016-10-21 12:44:00 +0000
commit482c44232d4deda3f89a7d85fbad99c1c64e80ec (patch)
treef3fb790d93da3cbe198b0f0c58d9c7513b0eff23 /include
parent680017a72c7a15b90f223bafcea80fd3e264e984 (diff)
parent02976060919566d1a217b818ca8f33297700d56d (diff)
downloadouroboros-482c44232d4deda3f89a7d85fbad99c1c64e80ec.tar.gz
ouroboros-482c44232d4deda3f89a7d85fbad99c1c64e80ec.zip
Merged in dstaesse/ouroboros/be-demux (pull request #267)
lib: Demultiplex the fast path
Diffstat (limited to 'include')
-rw-r--r--include/ouroboros/CMakeLists.txt4
-rw-r--r--include/ouroboros/config.h.in4
-rw-r--r--include/ouroboros/fqueue.h (renamed from include/ouroboros/select.h)26
-rw-r--r--include/ouroboros/ipcp-dev.h3
-rw-r--r--include/ouroboros/local-dev.h8
-rw-r--r--include/ouroboros/shm_ap_rbuff.h73
-rw-r--r--include/ouroboros/shm_flow_set.h63
-rw-r--r--include/ouroboros/shm_rbuff.h53
-rw-r--r--include/ouroboros/wrap/ouroboros.i4
9 files changed, 144 insertions, 94 deletions
diff --git a/include/ouroboros/CMakeLists.txt b/include/ouroboros/CMakeLists.txt
index f24857ed..41feb65e 100644
--- a/include/ouroboros/CMakeLists.txt
+++ b/include/ouroboros/CMakeLists.txt
@@ -7,11 +7,11 @@ set(HEADER_FILES
dev.h
errno.h
fcntl.h
+ fqueue.h
irm.h
irm_config.h
nsm.h
- qos.h
- select.h)
+ qos.h)
install(FILES ${HEADER_FILES} DESTINATION usr/include/ouroboros)
diff --git a/include/ouroboros/config.h.in b/include/ouroboros/config.h.in
index 143ae7c8..a9d65aec 100644
--- a/include/ouroboros/config.h.in
+++ b/include/ouroboros/config.h.in
@@ -36,6 +36,7 @@
#define IPCP_NORMAL_EXEC "@IPCP_NORMAL_TARGET@"
#define IPCP_LOCAL_EXEC "@IPCP_LOCAL_TARGET@"
#define AP_MAX_FLOWS 256
+#define AP_MAX_FQUEUES 64
#define SHM_RDRB_BLOCK_SIZE sysconf(_SC_PAGESIZE)
#define SHM_RDRB_MULTI_BLOCK
#define SHM_RDRB_PREFIX "/ouroboros.rdrb."
@@ -43,7 +44,8 @@
#define SHM_BUFFER_SIZE (1 << 14)
#define DU_BUFF_HEADSPACE 128
#define DU_BUFF_TAILSPACE 0
-#define SHM_AP_RBUFF_PREFIX "/ouroboros.rbuff."
+#define SHM_RBUFF_PREFIX "/ouroboros.rbuff."
+#define SHM_FLOW_SET_PREFIX "/ouroboros.sets."
#define IRMD_MAX_FLOWS 4096
#define IRMD_THREADPOOL_SIZE 5
#define LOG_DIR "/@LOG_DIR@/"
diff --git a/include/ouroboros/select.h b/include/ouroboros/fqueue.h
index de309b8d..943d6510 100644
--- a/include/ouroboros/select.h
+++ b/include/ouroboros/fqueue.h
@@ -1,7 +1,7 @@
/*
* Ouroboros - Copyright (C) 2016
*
- * A select call for flows
+ * Flow queues
*
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
* Sander Vrijders <sander.vrijders@intec.ugent.be>
@@ -21,32 +21,42 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#ifndef OUROBOROS_SELECT_H
-#define OUROBOROS_SELECT_H
+#ifndef OUROBOROS_FQUEUE_H
+#define OUROBOROS_FQUEUE_H
#include <stdbool.h>
#include <time.h>
struct flow_set;
+struct fqueue;
+
typedef struct flow_set flow_set_t;
+typedef struct fqueue fqueue_t;
flow_set_t * flow_set_create();
void flow_set_destroy(flow_set_t * set);
+fqueue_t * fqueue_create();
+
+void fqueue_destroy(struct fqueue * fq);
+
void flow_set_zero(flow_set_t * set);
-void flow_set_add(flow_set_t * set,
+int flow_set_add(flow_set_t * set,
int fd);
-void flow_set_del(flow_set_t * set,
+bool flow_set_has(flow_set_t * set,
int fd);
-bool flow_set_has(flow_set_t * set,
+void flow_set_del(flow_set_t * set,
int fd);
-int flow_select(flow_set_t * set,
- const struct timespec * timeout);
+int fqueue_next(fqueue_t * fq);
+
+int flow_event_wait(flow_set_t * set,
+ fqueue_t * fq,
+ const struct timespec * timeout);
#endif /* OUROBOROS_SELECT_H */
diff --git a/include/ouroboros/ipcp-dev.h b/include/ouroboros/ipcp-dev.h
index 9343aeaa..3ab05bd7 100644
--- a/include/ouroboros/ipcp-dev.h
+++ b/include/ouroboros/ipcp-dev.h
@@ -47,7 +47,4 @@ int ipcp_flow_write(int fd,
void ipcp_flow_del(struct shm_du_buff * sdb);
-/* returns flow descriptor and du buff */
-int ipcp_read_shim(struct shm_du_buff ** sdb);
-
#endif /* OUROBOROS_IPCP_DEV_H */
diff --git a/include/ouroboros/local-dev.h b/include/ouroboros/local-dev.h
index 77ff47e9..30f440b1 100644
--- a/include/ouroboros/local-dev.h
+++ b/include/ouroboros/local-dev.h
@@ -20,14 +20,12 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <ouroboros/shm_ap_rbuff.h>
-
#ifndef OUROBOROS_LOCAL_DEV_H
#define OUROBOROS_LOCAL_DEV_H
-struct rb_entry * local_flow_read(int fd);
+ssize_t local_flow_read(int fd);
-int local_flow_write(int fd,
- struct rb_entry * e);
+int local_flow_write(int fd,
+ ssize_t idx);
#endif /* OUROBOROS_LOCAL_DEV_H */
diff --git a/include/ouroboros/shm_ap_rbuff.h b/include/ouroboros/shm_ap_rbuff.h
deleted file mode 100644
index 453e4bf8..00000000
--- a/include/ouroboros/shm_ap_rbuff.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016
- *
- * Ring buffer for application processes
- *
- * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
- * Sander Vrijders <sander.vrijders@intec.ugent.be>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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_SHM_AP_RBUFF_H
-#define OUROBOROS_SHM_AP_RBUFF_H
-
-#include <ouroboros/select.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <stdbool.h>
-
-struct shm_ap_rbuff;
-
-struct rb_entry {
- ssize_t index;
- int port_id;
-};
-
-struct shm_ap_rbuff * shm_ap_rbuff_create();
-
-struct shm_ap_rbuff * shm_ap_rbuff_open(pid_t api);
-
-void shm_ap_rbuff_close(struct shm_ap_rbuff * rb);
-
-void shm_ap_rbuff_destroy(struct shm_ap_rbuff * rb);
-
-void shm_ap_rbuff_open_port(struct shm_ap_rbuff * rb,
- int port_id);
-
-int shm_ap_rbuff_close_port(struct shm_ap_rbuff * rb,
- int port_id);
-
-int shm_ap_rbuff_write(struct shm_ap_rbuff * rb,
- struct rb_entry * e);
-
-struct rb_entry * shm_ap_rbuff_read(struct shm_ap_rbuff * rb);
-
-int shm_ap_rbuff_pop_idx(struct shm_ap_rbuff * rb);
-
-int shm_ap_rbuff_peek_b(struct shm_ap_rbuff * rb,
- bool * set,
- const struct timespec * timeout);
-
-ssize_t shm_ap_rbuff_read_port(struct shm_ap_rbuff * rb,
- int port_id);
-
-ssize_t shm_ap_rbuff_read_port_b(struct shm_ap_rbuff * rb,
- int port_id,
- const struct timespec * timeout);
-
-void shm_ap_rbuff_reset(struct shm_ap_rbuff * rb);
-
-#endif /* OUROBOROS_SHM_AP_RBUFF_H */
diff --git a/include/ouroboros/shm_flow_set.h b/include/ouroboros/shm_flow_set.h
new file mode 100644
index 00000000..32db5d36
--- /dev/null
+++ b/include/ouroboros/shm_flow_set.h
@@ -0,0 +1,63 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Management of flow_sets for fqueue
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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_SHM_FLOW_SET_H
+#define OUROBOROS_SHM_FLOW_SET_H
+
+#include <ouroboros/fqueue.h>
+
+#include <sys/time.h>
+
+struct shm_flow_set;
+
+struct shm_flow_set * shm_flow_set_create();
+
+void shm_flow_set_destroy(struct shm_flow_set * set);
+
+struct shm_flow_set * shm_flow_set_open(pid_t api);
+
+void shm_flow_set_close(struct shm_flow_set * set);
+
+void shm_flow_set_zero(struct shm_flow_set * shm_set,
+ ssize_t idx);
+
+int shm_flow_set_add(struct shm_flow_set * shm_set,
+ ssize_t idx,
+ int port_id);
+
+int shm_flow_set_has(struct shm_flow_set * shm_set,
+ ssize_t idx,
+ int port_id);
+
+void shm_flow_set_del(struct shm_flow_set * shm_set,
+ ssize_t idx,
+ int port_id);
+
+void shm_flow_set_notify(struct shm_flow_set * set,
+ int port_id);
+
+int shm_flow_set_wait(const struct shm_flow_set * shm_set,
+ ssize_t idx,
+ int * fqueue,
+ const struct timespec * timeout);
+
+#endif /* OUROBOROS_SHM_FLOW_SET_H */
diff --git a/include/ouroboros/shm_rbuff.h b/include/ouroboros/shm_rbuff.h
new file mode 100644
index 00000000..4c4e8c64
--- /dev/null
+++ b/include/ouroboros/shm_rbuff.h
@@ -0,0 +1,53 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Ring buffer for incoming SDUs
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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_SHM_RBUFF_H
+#define OUROBOROS_SHM_RBUFF_H
+
+#include <sys/types.h>
+#include <sys/time.h>
+
+struct shm_rbuff;
+
+struct shm_rbuff * shm_rbuff_create(pid_t api, int port_id);
+
+struct shm_rbuff * shm_rbuff_open(pid_t api, int port_id);
+
+void shm_rbuff_close(struct shm_rbuff * rb);
+
+void shm_rbuff_destroy(struct shm_rbuff * rb);
+
+int shm_rbuff_block(struct shm_rbuff * rb);
+
+void shm_rbuff_unblock(struct shm_rbuff * rb);
+
+int shm_rbuff_write(struct shm_rbuff * rb,
+ ssize_t idx);
+
+ssize_t shm_rbuff_read(struct shm_rbuff * rb);
+
+ssize_t shm_rbuff_read_b(struct shm_rbuff * rb,
+ const struct timespec * timeout);
+
+void shm_rbuff_reset(struct shm_rbuff * rb);
+
+#endif /* OUROBOROS_SHM_RBUFF_H */
diff --git a/include/ouroboros/wrap/ouroboros.i b/include/ouroboros/wrap/ouroboros.i
index 394b505a..26cc6076 100644
--- a/include/ouroboros/wrap/ouroboros.i
+++ b/include/ouroboros/wrap/ouroboros.i
@@ -26,11 +26,11 @@
#include "ouroboros/dev.h"
#include "ouroboros/errno.h"
#include "ouroboros/fcntl.h"
+#include "ouroboros/fqueue.h"
#include "ouroboros/irm.h"
#include "ouroboros/irm_config.h"
#include "ouroboros/nsm.h"
#include "ouroboros/qos.h"
-#include "ouroboros/select.h"
%}
typedef int pid_t;
@@ -39,8 +39,8 @@ typedef int pid_t;
%include "ouroboros/dev.h"
%include "ouroboros/errno.h"
%include "ouroboros/fcntl.h"
+%include "ouroboros/fqueue.h"
%include "ouroboros/irm.h"
%include "ouroboros/irm_config.h"
%include "ouroboros/nsm.h"
%include "ouroboros/qos.h"
-%include "ouroboros/select.h"