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Message-Id: <20180307010355.5011-4-stephen@networkplumber.org>
Date: Tue, 6 Mar 2018 17:03:55 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: dsahern@...il.com
Cc: netdev@...r.kernel.org, Stephen Hemminger <sthemmin@...rosoft.com>,
Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2-next 3/3] ipmroute: convert to output JSON
From: Stephen Hemminger <sthemmin@...rosoft.com>
Should be no change for non-json case except putting color
on address if desired.
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
ip/ipmroute.c | 117 ++++++++++++++++++++++++++++++++++++++--------------------
1 file changed, 77 insertions(+), 40 deletions(-)
diff --git a/ip/ipmroute.c b/ip/ipmroute.c
index 03ca0575e571..8258a4ed0a0b 100644
--- a/ip/ipmroute.c
+++ b/ip/ipmroute.c
@@ -29,6 +29,7 @@
#include <rt_names.h>
#include "utils.h"
#include "ip_common.h"
+#include "json_print.h"
static void usage(void) __attribute__((noreturn));
@@ -53,13 +54,12 @@ struct rtfilter {
int print_mroute(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
{
- FILE *fp = (FILE *)arg;
struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *tb[RTA_MAX+1];
- char obuf[256];
-
+ const char *src, *dst;
SPRINT_BUF(b1);
+ SPRINT_BUF(b2);
__u32 table;
int iif = 0;
int family;
@@ -102,30 +102,44 @@ int print_mroute(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
family = get_real_family(r->rtm_type, r->rtm_family);
+ open_json_object(NULL);
if (n->nlmsg_type == RTM_DELROUTE)
- fprintf(fp, "Deleted ");
+ print_bool(PRINT_ANY, "deleted", "Deleted ", true);
if (tb[RTA_SRC])
- len = snprintf(obuf, sizeof(obuf),
- "(%s, ", rt_addr_n2a_rta(family, tb[RTA_SRC]));
+ src = rt_addr_n2a_r(family, RTA_PAYLOAD(tb[RTA_SRC]),
+ RTA_DATA(tb[RTA_SRC]), b1, sizeof(b1));
else
- len = sprintf(obuf, "(unknown, ");
+ src = "unknown";
+
if (tb[RTA_DST])
- snprintf(obuf + len, sizeof(obuf) - len,
- "%s)", rt_addr_n2a_rta(family, tb[RTA_DST]));
+ dst = rt_addr_n2a_r(family, RTA_PAYLOAD(tb[RTA_DST]),
+ RTA_DATA(tb[RTA_DST]), b2, sizeof(b2));
else
- snprintf(obuf + len, sizeof(obuf) - len, "unknown) ");
+ dst = "unknown";
+
+ if (is_json_context()) {
+ print_string(PRINT_JSON, "src", NULL, src);
+ print_string(PRINT_JSON, "dst", NULL, dst);
+ } else {
+ char obuf[256];
+
+ snprintf(obuf, sizeof(obuf), "(%s,%s)", src, dst);
+ print_string(PRINT_FP, NULL,
+ "%-32s Iif: ", obuf);
+ }
- fprintf(fp, "%-32s Iif: ", obuf);
if (iif)
- fprintf(fp, "%-10s ", ll_index_to_name(iif));
+ print_color_string(PRINT_ANY, COLOR_IFNAME,
+ "iif", "%-10s ", ll_index_to_name(iif));
else
- fprintf(fp, "unresolved ");
+ print_string(PRINT_ANY,"iif", "%s ", "unresolved");
if (tb[RTA_MULTIPATH]) {
struct rtnexthop *nh = RTA_DATA(tb[RTA_MULTIPATH]);
int first = 1;
+ open_json_array(PRINT_JSON, "multipath");
len = RTA_PAYLOAD(tb[RTA_MULTIPATH]);
for (;;) {
@@ -134,47 +148,67 @@ int print_mroute(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (nh->rtnh_len > len)
break;
+ open_json_object(NULL);
if (first) {
- fprintf(fp, "Oifs: ");
+ print_string(PRINT_FP, NULL, "Oifs: ", NULL);
first = 0;
}
- fprintf(fp, "%s", ll_index_to_name(nh->rtnh_ifindex));
+
+ print_color_string(PRINT_ANY, COLOR_IFNAME,
+ "oif", "%s", ll_index_to_name(nh->rtnh_ifindex));
+
if (nh->rtnh_hops > 1)
- fprintf(fp, "(ttl %d) ", nh->rtnh_hops);
+ print_uint(PRINT_ANY,
+ "ttl", "(ttl %u) ", nh->rtnh_hops);
else
- fprintf(fp, " ");
+ print_string(PRINT_FP, NULL, " ", NULL);
+
+ close_json_object();
len -= NLMSG_ALIGN(nh->rtnh_len);
nh = RTNH_NEXT(nh);
}
+ close_json_array(PRINT_JSON, NULL);
}
- fprintf(fp, " State: %s",
- r->rtm_flags & RTNH_F_UNRESOLVED ? "unresolved" : "resolved");
+
+ print_string(PRINT_ANY, "state", " State: %s",
+ (r->rtm_flags & RTNH_F_UNRESOLVED) ? "unresolved" : "resolved");
+
if (r->rtm_flags & RTNH_F_OFFLOAD)
- fprintf(fp, " offload");
- if (show_stats && tb[RTA_MFC_STATS]) {
- struct rta_mfc_stats *mfcs = RTA_DATA(tb[RTA_MFC_STATS]);
-
- fprintf(fp, "%s %"PRIu64" packets, %"PRIu64" bytes", _SL_,
- (uint64_t)mfcs->mfcs_packets,
- (uint64_t)mfcs->mfcs_bytes);
- if (mfcs->mfcs_wrong_if)
- fprintf(fp, ", %"PRIu64" arrived on wrong iif.",
- (uint64_t)mfcs->mfcs_wrong_if);
- }
- if (show_stats && tb[RTA_EXPIRES]) {
- struct timeval tv;
+ print_null(PRINT_ANY, "offload", " offload", NULL);
+
+ if (show_stats) {
+ if ( tb[RTA_MFC_STATS]) {
+ struct rta_mfc_stats *mfcs = RTA_DATA(tb[RTA_MFC_STATS]);
- __jiffies_to_tv(&tv, rta_getattr_u64(tb[RTA_EXPIRES]));
- fprintf(fp, ", Age %4i.%.2i", (int)tv.tv_sec,
- (int)tv.tv_usec/10000);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
+ print_uint(PRINT_ANY, "packets", " %"PRIu64" packets,",
+ mfcs->mfcs_packets);
+ print_uint(PRINT_ANY, "bytes", " %"PRIu64" bytes", mfcs->mfcs_bytes);
+
+ if (mfcs->mfcs_wrong_if)
+ print_uint(PRINT_ANY, "wrong_if",
+ ", %"PRIu64" arrived on wrong iif.",
+ mfcs->mfcs_wrong_if);
+ }
+
+ if (tb[RTA_EXPIRES]) {
+ struct timeval tv;
+ double age;
+
+ __jiffies_to_tv(&tv, rta_getattr_u64(tb[RTA_EXPIRES]));
+ age = tv.tv_sec;
+ age += tv.tv_usec / 1000000.;
+ print_float(PRINT_ANY, "expires",
+ ", Age %.2f", age);
+ }
}
if (table && (table != RT_TABLE_MAIN || show_details > 0) && !filter.tb)
- fprintf(fp, " Table: %s",
- rtnl_rttable_n2a(table, b1, sizeof(b1)));
+ print_string(PRINT_ANY, "table", " Table: %s",
+ rtnl_rttable_n2a(table, b1, sizeof(b1)));
- fprintf(fp, "\n");
- fflush(fp);
+ print_string(PRINT_FP, NULL, "\n", NULL);
+ close_json_object();
return 0;
}
@@ -255,12 +289,15 @@ static int mroute_list(int argc, char **argv)
return 1;
}
+ new_json_obj(json);
if (rtnl_dump_filter(&rth, print_mroute, stdout) < 0) {
+ delete_json_obj();
fprintf(stderr, "Dump terminated\n");
exit(1);
}
+ delete_json_obj();
- exit(0);
+ return 0;
}
int do_multiroute(int argc, char **argv)
--
2.16.1
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