MINOR: server: create new function cli_find_server() to find a server
Several CLI commands require a server, so let's have a function to
look this one up and prepare the appropriate error message and the
appctx's state in case of failure.
diff --git a/include/proto/server.h b/include/proto/server.h
index 41bb31a..d11150a 100644
--- a/include/proto/server.h
+++ b/include/proto/server.h
@@ -48,6 +48,7 @@
void srv_compute_all_admin_states(struct proxy *px);
int srv_set_addr_via_libc(struct server *srv, int *err_code);
int srv_init_addr(void);
+struct server *cli_find_server(struct appctx *appctx, char *arg);
/* functions related to server name resolution */
int snr_update_srv_status(struct server *s);
diff --git a/src/server.c b/src/server.c
index f627b40..ac66c6b 100644
--- a/src/server.c
+++ b/src/server.c
@@ -21,6 +21,7 @@
#include <common/time.h>
#include <types/global.h>
+#include <types/cli.h>
#include <types/dns.h>
#include <proto/checks.h>
@@ -3339,6 +3340,46 @@
return return_code;
}
+/* Expects to find a backend and a server in <arg> under the form <backend>/<server>,
+ * and returns the pointer to the server. Otherwise, display adequate error messages
+ * on the CLI, sets the CLI's state to STAT_CLI_PRINT and returns NULL. This is only
+ * used for CLI commands requiring a server name.
+ * Important: the <arg> is modified to remove the '/'.
+ */
+struct server *cli_find_server(struct appctx *appctx, char *arg)
+{
+ struct proxy *px;
+ struct server *sv;
+ char *line;
+
+ /* split "backend/server" and make <line> point to server */
+ for (line = arg; *line; line++)
+ if (*line == '/') {
+ *line++ = '\0';
+ break;
+ }
+
+ if (!*line || !*arg) {
+ appctx->ctx.cli.msg = "Require 'backend/server'.\n";
+ appctx->st0 = STAT_CLI_PRINT;
+ return NULL;
+ }
+
+ if (!get_backend_server(arg, line, &px, &sv)) {
+ appctx->ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n";
+ appctx->st0 = STAT_CLI_PRINT;
+ return NULL;
+ }
+
+ if (px->state == PR_STSTOPPED) {
+ appctx->ctx.cli.msg = "Proxy is disabled.\n";
+ appctx->st0 = STAT_CLI_PRINT;
+ return NULL;
+ }
+
+ return sv;
+}
+
/*
* Local variables: