Change in ...libosmocore[master]: fsm: Allow millisecond granularity in osmo_fsm built-in timer

2019-06-05 Thread Harald Welte
Harald Welte has posted comments on this change. ( 
https://gerrit.osmocom.org/c/libosmocore/+/14200 )

Change subject: fsm: Allow millisecond granularity in osmo_fsm built-in timer
..


Patch Set 7: Code-Review+2


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Change in ...libosmocore[master]: fsm: Allow millisecond granularity in osmo_fsm built-in timer

2019-06-05 Thread Harald Welte
Harald Welte has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/c/libosmocore/+/14200 )

Change subject: fsm: Allow millisecond granularity in osmo_fsm built-in timer
..

fsm: Allow millisecond granularity in osmo_fsm built-in timer

So far, the public API of osmo_fsm only allowed integral seconds as
timeout.  Let's change that to milli-seconds in order to cover more
use cases.

This introduces
* osmo_fsm_inst_state_chg_ms()
* osmo_fsm_inst_state_chg_keep_or_start_timer_ms()

Which both work exactly like their previous counterparts without the _ms
suffix - the only difference being that the timeout parameter is
specified in milli-seconds, not in seconds.

The value range for an unsigned long in milli-seconds even on a 32bit
platform extends to about 48 days.

This patch also removes the documentation notice about limiting the
maximum value to 0x7fff due to time_t signed-ness.  We don't use
time_t but unsigned long.

Change-Id: I35b330e460e80bb67376c77e997e464439ac5397
---
M include/osmocom/core/fsm.h
M src/fsm.c
2 files changed, 46 insertions(+), 23 deletions(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/include/osmocom/core/fsm.h b/include/osmocom/core/fsm.h
index 41d01a5..1701c45 100644
--- a/include/osmocom/core/fsm.h
+++ b/include/osmocom/core/fsm.h
@@ -243,6 +243,13 @@
 unsigned long timeout_secs, int T,
 const char *file, int line);

+#define osmo_fsm_inst_state_chg_ms(fi, new_state, timeout_ms, T) \
+   _osmo_fsm_inst_state_chg_ms(fi, new_state, timeout_ms, T, \
+__FILE__, __LINE__)
+int _osmo_fsm_inst_state_chg_ms(struct osmo_fsm_inst *fi, uint32_t new_state,
+   unsigned long timeout_ms, int T,
+   const char *file, int line);
+
 /*! perform a state change while keeping the current timer running.
  *
  *  This is useful to keep a timeout across several states (without having to 
round the
@@ -273,6 +280,14 @@
 unsigned long timeout_secs, 
int T,
 const char *file, int line);

+#define osmo_fsm_inst_state_chg_keep_or_start_timer_ms(fi, new_state, 
timeout_ms, T) \
+   _osmo_fsm_inst_state_chg_keep_or_start_timer_ms(fi, new_state, 
timeout_ms, T, \
+__FILE__, __LINE__)
+int _osmo_fsm_inst_state_chg_keep_or_start_timer_ms(struct osmo_fsm_inst *fi, 
uint32_t new_state,
+  unsigned long timeout_ms, 
int T,
+  const char *file, int line);
+
+
 /*! dispatch an event to an osmocom finite state machine instance
  *
  *  This is a macro that calls _osmo_fsm_inst_dispatch() with the given
diff --git a/src/fsm.c b/src/fsm.c
index 411797d..37da9f9 100644
--- a/src/fsm.c
+++ b/src/fsm.c
@@ -1,7 +1,7 @@
 /*! \file fsm.c
  * Osmocom generic Finite State Machine implementation. */
 /*
- * (C) 2016 by Harald Welte 
+ * (C) 2016-2019 by Harald Welte 
  *
  * SPDX-License-Identifier: GPL-2.0+
  *
@@ -584,7 +584,7 @@
 }

 static int state_chg(struct osmo_fsm_inst *fi, uint32_t new_state,
-bool keep_timer, unsigned long timeout_secs, int T,
+bool keep_timer, unsigned long timeout_ms, int T,
 const char *file, int line)
 {
struct osmo_fsm *fsm = fi->fsm;
@@ -592,11 +592,6 @@
const struct osmo_fsm_state *st = >states[fi->state];
struct timeval remaining;

-   /* Limit to 0x7fff seconds as explained by
-* _osmo_fsm_inst_state_chg()'s API doc. */
-   if (timeout_secs > 0x7fff)
-   timeout_secs = 0x7fff;
-
/* validate if new_state is a valid state */
if (!(st->out_state_mask & (1 << new_state))) {
LOGPFSMLSRC(fi, LOGL_ERROR, file, line,
@@ -627,11 +622,18 @@
   "State change to %s (keeping " 
OSMO_T_FMT ", %ld.%03lds remaining)\n",
   osmo_fsm_state_name(fsm, new_state),
   OSMO_T_FMT_ARGS(fi->T), 
remaining.tv_sec, remaining.tv_usec / 1000);
-   } else if (timeout_secs)
-   LOGPFSMSRC(fi, file, line, "State change to %s (" 
OSMO_T_FMT ", %lus)\n",
-  osmo_fsm_state_name(fsm, new_state),
-  OSMO_T_FMT_ARGS(T), timeout_secs);
-   else
+   } else if (timeout_ms) {
+   if (timeout_ms % 1000 == 0) {
+   /* keep log output legacy compatible to avoid 
autotest failures */
+   LOGPFSMSRC(fi, file, line, "State change to %s 
(" 

Change in ...libosmocore[master]: fsm: Allow millisecond granularity in osmo_fsm built-in timer

2019-06-04 Thread Harald Welte
Harald Welte has posted comments on this change. ( 
https://gerrit.osmocom.org/c/libosmocore/+/14200 )

Change subject: fsm: Allow millisecond granularity in osmo_fsm built-in timer
..


Set Ready For Review


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Gerrit-Change-Number: 14200
Gerrit-PatchSet: 6
Gerrit-Owner: Harald Welte 
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: pespin 
Gerrit-Comment-Date: Tue, 04 Jun 2019 10:13:10 +
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Change in libosmocore[master]: fsm: Allow millisecond granularity in osmo_fsm built-in timer

2019-05-27 Thread Pau Espin Pedrol
Pau Espin Pedrol has posted comments on this change. ( 
https://gerrit.osmocom.org/14200 )

Change subject: fsm: Allow millisecond granularity in osmo_fsm built-in timer
..


Patch Set 1: Code-Review+1


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Gerrit-Change-Id: I35b330e460e80bb67376c77e997e464439ac5397
Gerrit-Change-Number: 14200
Gerrit-PatchSet: 1
Gerrit-Owner: Harald Welte 
Gerrit-Reviewer: Pau Espin Pedrol 
Gerrit-Comment-Date: Mon, 27 May 2019 15:43:45 +
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Change in libosmocore[master]: fsm: Allow millisecond granularity in osmo_fsm built-in timer

2019-05-27 Thread Harald Welte
Harald Welte has uploaded this change for review. ( 
https://gerrit.osmocom.org/14200


Change subject: fsm: Allow millisecond granularity in osmo_fsm built-in timer
..

fsm: Allow millisecond granularity in osmo_fsm built-in timer

So far, the public API of osmo_fsm only allowed integral seconds as
timeout.  Let's change that to milli-seconds in order to cover more
use cases.

This introduces
* osmo_fsm_inst_state_chg_ms()
* osmo_fsm_inst_state_chg_keep_or_start_timer_ms()

Which both work exactly like their previous counterparts without the _ms
suffix - the only difference being that the timeout parameter is
specified in milli-seconds, not in seconds.

The value range for an unsigned long in milli-seconds even on a 32bit
platform extends to about 48 days.

This patch also removes the documentation notice about limiting the
maximum value to 0x7fff due to time_t signed-ness.  We don't use
time_t but unsigned long.

Change-Id: I35b330e460e80bb67376c77e997e464439ac5397
---
M include/osmocom/core/fsm.h
M src/fsm.c
2 files changed, 37 insertions(+), 21 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/00/14200/1

diff --git a/include/osmocom/core/fsm.h b/include/osmocom/core/fsm.h
index 41d01a5..1701c45 100644
--- a/include/osmocom/core/fsm.h
+++ b/include/osmocom/core/fsm.h
@@ -243,6 +243,13 @@
 unsigned long timeout_secs, int T,
 const char *file, int line);

+#define osmo_fsm_inst_state_chg_ms(fi, new_state, timeout_ms, T) \
+   _osmo_fsm_inst_state_chg_ms(fi, new_state, timeout_ms, T, \
+__FILE__, __LINE__)
+int _osmo_fsm_inst_state_chg_ms(struct osmo_fsm_inst *fi, uint32_t new_state,
+   unsigned long timeout_ms, int T,
+   const char *file, int line);
+
 /*! perform a state change while keeping the current timer running.
  *
  *  This is useful to keep a timeout across several states (without having to 
round the
@@ -273,6 +280,14 @@
 unsigned long timeout_secs, 
int T,
 const char *file, int line);

+#define osmo_fsm_inst_state_chg_keep_or_start_timer_ms(fi, new_state, 
timeout_ms, T) \
+   _osmo_fsm_inst_state_chg_keep_or_start_timer_ms(fi, new_state, 
timeout_ms, T, \
+__FILE__, __LINE__)
+int _osmo_fsm_inst_state_chg_keep_or_start_timer_ms(struct osmo_fsm_inst *fi, 
uint32_t new_state,
+  unsigned long timeout_ms, 
int T,
+  const char *file, int line);
+
+
 /*! dispatch an event to an osmocom finite state machine instance
  *
  *  This is a macro that calls _osmo_fsm_inst_dispatch() with the given
diff --git a/src/fsm.c b/src/fsm.c
index 882a2b4..2d769b8 100644
--- a/src/fsm.c
+++ b/src/fsm.c
@@ -1,7 +1,7 @@
 /*! \file fsm.c
  * Osmocom generic Finite State Machine implementation. */
 /*
- * (C) 2016 by Harald Welte 
+ * (C) 2016-2019 by Harald Welte 
  *
  * SPDX-License-Identifier: GPL-2.0+
  *
@@ -584,7 +584,7 @@
 }

 static int state_chg(struct osmo_fsm_inst *fi, uint32_t new_state,
-bool keep_timer, unsigned long timeout_secs, int T,
+bool keep_timer, unsigned long timeout_ms, int T,
 const char *file, int line)
 {
struct osmo_fsm *fsm = fi->fsm;
@@ -592,11 +592,6 @@
const struct osmo_fsm_state *st = >states[fi->state];
struct timeval remaining;

-   /* Limit to 0x7fff seconds as explained by
-* _osmo_fsm_inst_state_chg()'s API doc. */
-   if (timeout_secs > 0x7fff)
-   timeout_secs = 0x7fff;
-
/* validate if new_state is a valid state */
if (!(st->out_state_mask & (1 << new_state))) {
LOGPFSMLSRC(fi, LOGL_ERROR, file, line,
@@ -627,10 +622,10 @@
   "State change to %s (keeping " 
OSMO_T_FMT ", %ld.%03lds remaining)\n",
   osmo_fsm_state_name(fsm, new_state),
   OSMO_T_FMT_ARGS(fi->T), 
remaining.tv_sec, remaining.tv_usec / 1000);
-   } else if (timeout_secs)
-   LOGPFSMSRC(fi, file, line, "State change to %s (" 
OSMO_T_FMT ", %lus)\n",
+   } else if (timeout_ms)
+   LOGPFSMSRC(fi, file, line, "State change to %s (" 
OSMO_T_FMT ", %lums)\n",
   osmo_fsm_state_name(fsm, new_state),
-  OSMO_T_FMT_ARGS(T), timeout_secs);
+  OSMO_T_FMT_ARGS(T), timeout_ms);
else
LOGPFSMSRC(fi, file, line, "State change to %s (no 
timeout)\n",