[ovs-dev] [PATCH v5 11/21] ovn-nbctl: Propagate errors from the main loop.
Jakub Sitnicki
jkbs at redhat.com
Thu Jul 19 13:51:16 UTC 2018
Let the caller handle the errors instead of reporting it and
terminating. Prepare for reusing the main loop in daemon mode.
Signed-off-by: Jakub Sitnicki <jkbs at redhat.com>
---
ovn/utilities/ovn-nbctl.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/ovn/utilities/ovn-nbctl.c b/ovn/utilities/ovn-nbctl.c
index e660b2cdf..fe28e2293 100644
--- a/ovn/utilities/ovn-nbctl.c
+++ b/ovn/utilities/ovn-nbctl.c
@@ -89,8 +89,10 @@ static char * OVS_WARN_UNUSED_RESULT do_nbctl(const char *args,
struct ovsdb_idl *, bool *retry);
static const struct nbrec_dhcp_options *dhcp_options_get(
struct ctl_context *ctx, const char *id, bool must_exist);
-static void main_loop(const char *args, struct ctl_command *commands,
- size_t n_commands, struct ovsdb_idl *idl);
+static char * OVS_WARN_UNUSED_RESULT main_loop(const char *args,
+ struct ctl_command *commands,
+ size_t n_commands,
+ struct ovsdb_idl *idl);
int
main(int argc, char *argv[])
@@ -128,7 +130,10 @@ main(int argc, char *argv[])
ovsdb_idl_set_leader_only(idl, leader_only);
run_prerequisites(commands, n_commands, idl);
- main_loop(args, commands, n_commands, idl);
+ error = main_loop(args, commands, n_commands, idl);
+ if (error) {
+ ctl_fatal("%s", error);
+ }
ovsdb_idl_destroy(idl);
idl = the_idl = NULL;
@@ -144,7 +149,7 @@ main(int argc, char *argv[])
exit(EXIT_SUCCESS);
}
-static void
+static char *
main_loop(const char *args, struct ctl_command *commands, size_t n_commands,
struct ovsdb_idl *idl)
{
@@ -172,10 +177,10 @@ main_loop(const char *args, struct ctl_command *commands, size_t n_commands,
bool retry;
char *error = do_nbctl(args, commands, n_commands, idl, &retry);
if (error) {
- ctl_fatal("%s", error);
+ return error;
}
if (!retry) {
- return;
+ return NULL;
}
}
@@ -184,6 +189,8 @@ main_loop(const char *args, struct ctl_command *commands, size_t n_commands,
poll_block();
}
}
+
+ return NULL;
}
static void
--
2.14.4
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