--- /dev/null
+--- a/include/types/applet.h
++++ b/include/types/applet.h
+@@ -131,7 +131,9 @@
+ struct dns_resolvers *ptr;
+ } resolvers;
+ struct {
+- struct proxy *backend;
++ int iid; /* if >= 0, ID of the proxy to filter on */
++ struct proxy *px; /* current proxy being dumped, NULL = not started yet. */
++ struct server *sv; /* current server being dumped, NULL = not started yet. */
+ } server_state;
+ } ctx; /* used by stats I/O handlers to dump the stats */
+ };
+--- a/src/dumpstats.c
++++ b/src/dumpstats.c
+@@ -148,7 +148,7 @@
+ #endif
+ static void cli_release_handler(struct appctx *appctx);
+
+-static void dump_servers_state(struct proxy *backend, struct chunk *buf);
++static int dump_servers_state(struct stream_interface *si, struct chunk *buf);
+
+ /*
+ * cli_io_handler()
+@@ -1200,18 +1200,21 @@
+ appctx->st0 = STAT_CLI_O_INFO; // stats_dump_info_to_buffer
+ }
+ else if (strcmp(args[1], "servers") == 0 && strcmp(args[2], "state") == 0) {
+- appctx->ctx.server_state.backend = NULL;
++ appctx->ctx.server_state.iid = 0;
++ appctx->ctx.server_state.px = NULL;
++ appctx->ctx.server_state.sv = NULL;
+
+ /* check if a backend name has been provided */
+ if (*args[3]) {
+ /* read server state from local file */
+- appctx->ctx.server_state.backend = proxy_be_by_name(args[3]);
++ appctx->ctx.server_state.px = proxy_be_by_name(args[3]);
+
+- if (appctx->ctx.server_state.backend == NULL) {
++ if (!appctx->ctx.server_state.px) {
+ appctx->ctx.cli.msg = "Can't find backend.\n";
+ appctx->st0 = STAT_CLI_PRINT;
+ return 1;
+ }
++ appctx->ctx.server_state.iid = appctx->ctx.server_state.px->uuid;
+ }
+ appctx->st2 = STAT_ST_INIT;
+ appctx->st0 = STAT_CLI_O_SERVERS_STATE; // stats_dump_servers_state_to_buffer
+@@ -2736,20 +2739,24 @@
+ * By default, we only export to the last known server state file format.
+ * These information can be used at next startup to recover same level of server state.
+ */
+-static void dump_servers_state(struct proxy *backend, struct chunk *buf)
++static int dump_servers_state(struct stream_interface *si, struct chunk *buf)
+ {
++ struct appctx *appctx = __objt_appctx(si->end);
+ struct server *srv;
+ char srv_addr[INET6_ADDRSTRLEN + 1];
+ time_t srv_time_since_last_change;
+ int bk_f_forced_id, srv_f_forced_id;
+
++
+ /* we don't want to report any state if the backend is not enabled on this process */
+- if (backend->bind_proc && !(backend->bind_proc & (1UL << (relative_pid - 1))))
+- return;
++ if (appctx->ctx.server_state.px->bind_proc && !(appctx->ctx.server_state.px->bind_proc & (1UL << (relative_pid - 1))))
++ return 1;
+
+- srv = backend->srv;
++ if (!appctx->ctx.server_state.sv)
++ appctx->ctx.server_state.sv = appctx->ctx.server_state.px->srv;
+
+- while (srv) {
++ for (; appctx->ctx.server_state.sv != NULL; appctx->ctx.server_state.sv = srv->next) {
++ srv = appctx->ctx.server_state.sv;
+ srv_addr[0] = '\0';
+ srv_time_since_last_change = 0;
+ bk_f_forced_id = 0;
+@@ -2766,7 +2773,7 @@
+ break;
+ }
+ srv_time_since_last_change = now.tv_sec - srv->last_change;
+- bk_f_forced_id = backend->options & PR_O_FORCED_ID ? 1 : 0;
++ bk_f_forced_id = appctx->ctx.server_state.px->options & PR_O_FORCED_ID ? 1 : 0;
+ srv_f_forced_id = srv->flags & SRV_F_FORCED_ID ? 1 : 0;
+
+ chunk_appendf(buf,
+@@ -2776,14 +2783,17 @@
+ "%d %d %d %d %d "
+ "%d %d"
+ "\n",
+- backend->uuid, backend->id,
++ appctx->ctx.server_state.px->uuid, appctx->ctx.server_state.px->id,
+ srv->puid, srv->id, srv_addr,
+ srv->state, srv->admin, srv->uweight, srv->iweight, (long int)srv_time_since_last_change,
+ srv->check.status, srv->check.result, srv->check.health, srv->check.state, srv->agent.state,
+ bk_f_forced_id, srv_f_forced_id);
+-
+- srv = srv->next;
++ if (bi_putchk(si_ic(si), &trash) == -1) {
++ si_applet_cant_put(si);
++ return 0;
++ }
+ }
++ return 1;
+ }
+
+ /* Parses backend list and simply report backend names */
+@@ -2826,24 +2836,30 @@
+
+ chunk_reset(&trash);
+
+- chunk_printf(&trash, "%d\n# %s\n", SRV_STATE_FILE_VERSION, SRV_STATE_FILE_FIELD_NAMES);
+-
+- if (appctx->ctx.server_state.backend) {
+- dump_servers_state(appctx->ctx.server_state.backend, &trash);
+- }
+- else {
+- for (curproxy = proxy; curproxy != NULL; curproxy = curproxy->next) {
+- /* servers are only in backends */
+- if (!(curproxy->cap & PR_CAP_BE))
+- continue;
+-
+- dump_servers_state(curproxy, &trash);
++ if (!appctx->ctx.server_state.px) {
++ chunk_printf(&trash, "%d\n# %s\n", SRV_STATE_FILE_VERSION, SRV_STATE_FILE_FIELD_NAMES);
++ if (bi_putchk(si_ic(si), &trash) == -1) {
++ si_applet_cant_put(si);
++ return 0;
+ }
++ appctx->ctx.server_state.px = proxy;
+ }
+
+- if (bi_putchk(si_ic(si), &trash) == -1) {
+- si_applet_cant_put(si);
+- return 0;
++ for (; appctx->ctx.server_state.px != NULL; appctx->ctx.server_state.px = curproxy->next) {
++ curproxy = appctx->ctx.server_state.px;
++ /* servers are only in backends */
++ if (curproxy->cap & PR_CAP_BE) {
++ if (!dump_servers_state(si, &trash))
++ return 0;
++
++ if (bi_putchk(si_ic(si), &trash) == -1) {
++ si_applet_cant_put(si);
++ return 0;
++ }
++ }
++ /* only the selected proxy is dumped */
++ if (appctx->ctx.server_state.iid)
++ break;
+ }
+
+ return 1;
Code Review / packages / xenial / haproxy.git / commitdiff