diff options
author | Aya Levin <ayal@mellanox.com> | 2019-12-11 17:45:36 +0200 |
---|---|---|
committer | Stephen Hemminger <stephen@networkplumber.org> | 2019-12-16 20:52:37 -0800 |
commit | af646bf95381964187d1128999c3265073609fe3 (patch) | |
tree | eb27967b65bcc8a8f3269c466bb2c9f7ebf12ce8 | |
parent | 746b66b005782dc9621f4fc84d0a1859300a6d01 (diff) | |
download | iproute2-af646bf95381964187d1128999c3265073609fe3.tar.gz |
devlink: Fix fmsg nesting in non JSON output
When an object or an array opening follows a name (label), add a new
line and indentation before printing the label. When name (label) is
followed by a value, print both at the same line.
Prior to this patch nesting was not visible in a non JSON output:
JSON:
{
"Common config": {
"SQ": {
"stride size": 64,
"size": 1024
},
"CQ": {
"stride size": 64,
"size": 1024
} },
"SQs": [ {
"channel ix": 0,
"sqn": 10,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0,
"CQ": {
"cqn": 6,
"HW status": 0
}
},{
"channel ix": 0,
"sqn": 14,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0,
"CQ": {
"cqn": 10,
"HW status": 0
}
} ]
}
Before this patch:
Common Config: SQ: stride size: 64 size: 1024
CQ: stride size: 64 size: 1024
SQs:
channel ix: 0 tc: 0 txq ix: 0 sqn: 10 HW state: 1 stopped: false cc: 0 pc: 0 CQ: cqn: 6 HW status: 0
channel ix: 1 tc: 0 txq ix: 1 sqn: 14 HW state: 1 stopped: false cc: 0 pc: 0 CQ: cqn: 10 HW status: 0
With this patch:
Common config:
SQ:
stride size: 64 size: 1024
CQ:
stride size: 64 size: 1024
SQs:
channel ix: 0 sqn: 10 HW state: 1 stopped: false cc: 0 pc: 0
CQ:
cqn: 6 HW status: 0
channel ix: 1 sqn: 14 HW state: 1 stopped: false cc: 0 pc: 0
CQ:
cqn: 10 HW status: 0
Fixes: 7b8baf834d5e ("devlink: Add devlink health diagnose command")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
-rw-r--r-- | devlink/devlink.c | 106 |
1 files changed, 88 insertions, 18 deletions
diff --git a/devlink/devlink.c b/devlink/devlink.c index f0181e41f..95f05a0b5 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -6463,12 +6463,23 @@ static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data) return MNL_CB_OK; } +static void pr_out_fmsg_name(struct dl *dl, char **name) +{ + if (!*name) + return; + + pr_out_name(dl, *name); + free(*name); + *name = NULL; +} + struct nest_entry { int attr_type; struct list_head list; }; struct fmsg_cb_data { + char *name; struct dl *dl; uint8_t value_type; struct list_head entry_list; @@ -6498,6 +6509,56 @@ static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data, return MNL_CB_OK; } +static void pr_out_fmsg_group_start(struct dl *dl, char **name) +{ + __pr_out_newline(); + pr_out_fmsg_name(dl, name); + __pr_out_newline(); + __pr_out_indent_inc(); +} + +static void pr_out_fmsg_group_end(struct dl *dl) +{ + __pr_out_newline(); + __pr_out_indent_dec(); +} + +static void pr_out_fmsg_start_object(struct dl *dl, char **name) +{ + if (dl->json_output) { + pr_out_fmsg_name(dl, name); + jsonw_start_object(dl->jw); + } else { + pr_out_fmsg_group_start(dl, name); + } +} + +static void pr_out_fmsg_end_object(struct dl *dl) +{ + if (dl->json_output) + jsonw_end_object(dl->jw); + else + pr_out_fmsg_group_end(dl); +} + +static void pr_out_fmsg_start_array(struct dl *dl, char **name) +{ + if (dl->json_output) { + pr_out_fmsg_name(dl, name); + jsonw_start_array(dl->jw); + } else { + pr_out_fmsg_group_start(dl, name); + } +} + +static void pr_out_fmsg_end_array(struct dl *dl) +{ + if (dl->json_output) + jsonw_end_array(dl->jw); + else + pr_out_fmsg_group_end(dl); +} + static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value, bool start) { @@ -6512,26 +6573,17 @@ static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value, switch (value) { case DEVLINK_ATTR_FMSG_OBJ_NEST_START: if (start) - pr_out_entry_start(dl); + pr_out_fmsg_start_object(dl, &fmsg_data->name); else - pr_out_entry_end(dl); + pr_out_fmsg_end_object(dl); break; case DEVLINK_ATTR_FMSG_PAIR_NEST_START: break; case DEVLINK_ATTR_FMSG_ARR_NEST_START: - if (dl->json_output) { - if (start) - jsonw_start_array(dl->jw); - else - jsonw_end_array(dl->jw); - } else { - if (start) { - __pr_out_newline(); - __pr_out_indent_inc(); - } else { - __pr_out_indent_dec(); - } - } + if (start) + pr_out_fmsg_start_array(dl, &fmsg_data->name); + else + pr_out_fmsg_end_array(dl); break; default: return -EINVAL; @@ -6569,12 +6621,16 @@ static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data) return err; break; case DEVLINK_ATTR_FMSG_OBJ_NAME: - pr_out_name(dl, mnl_attr_get_str(nla_object)); + free(fmsg_data->name); + fmsg_data->name = strdup(mnl_attr_get_str(nla_object)); + if (!fmsg_data->name) + return -ENOMEM; break; case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE: fmsg_data->value_type = mnl_attr_get_u8(nla_object); break; case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA: + pr_out_fmsg_name(dl, &fmsg_data->name); err = fmsg_value_show(dl, fmsg_data->value_type, nla_object); if (err != MNL_CB_OK) @@ -6587,6 +6643,20 @@ static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data) return MNL_CB_OK; } +static void cmd_fmsg_init(struct dl *dl, struct fmsg_cb_data *data) +{ + /* FMSG is dynamic: opening of an object or array causes a + * newline. JSON starts with an { or [, but plain text should + * not start with a new line. Ensure this by setting + * g_new_line_count to 1: avoiding newline before the first + * print. + */ + g_new_line_count = 1; + data->name = NULL; + data->dl = dl; + INIT_LIST_HEAD(&data->entry_list); +} + static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags) { struct fmsg_cb_data data; @@ -6600,9 +6670,9 @@ static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags) if (err) return err; - data.dl = dl; - INIT_LIST_HEAD(&data.entry_list); + cmd_fmsg_init(dl, &data); err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data); + free(data.name); return err; } |