REORG: stats: define stats-proxy source module

Create a new module stats-proxy. Move stats functions related to proxies
list looping in it. This allows to reduce stats source file dividing its
size by half.

Makefile

@@ -975,7 +975,8 @@ OBJS += src/mux_h2.o src/mux_fcgi.o src/mux_h1.o src/tcpcheck.o               \
         src/dynbuf.o src/wdt.o src/pipe.o src/init.o src/http_acl.o           \
         src/hpack-huff.o src/hpack-enc.o src/dict.o src/freq_ctr.o            \
         src/ebtree.o src/hash.o src/dgram.o src/version.o src/proto_rhttp.o   \
-        src/guid.o src/stats-html.o src/stats-json.o src/stats-file.o
+        src/guid.o src/stats-html.o src/stats-json.o src/stats-file.o         \
+        src/stats-proxy.o
 
 ifneq ($(TRACE),)
   OBJS += src/calltrace.o

include/haproxy/stats-proxy.h

@@ -0,0 +1,10 @@
+#ifndef _HAPROXY_STATS_PROXY_H
+#define _HAPROXY_STATS_PROXY_H
+
+struct buffer;
+struct htx;
+struct stconn;
+
+int stats_dump_proxies(struct stconn *sc, struct buffer *buf, struct htx *htx);
+
+#endif /* _HAPROXY_STATS_PROXY_H */

include/haproxy/stats.h

@@ -46,11 +46,13 @@ extern struct list stats_module_list[];
 extern THREAD_LOCAL struct field stat_line_info[];
 extern THREAD_LOCAL struct field *stat_lines[];
 extern struct name_desc *stat_cols[STATS_DOMAIN_COUNT];
+extern size_t stat_cols_len[STATS_DOMAIN_COUNT];
 
 int generate_stat_tree(struct eb_root *st_tree, const struct stat_col cols[]);
 
 struct htx;
 int stats_putchk(struct appctx *appctx, struct buffer *buf, struct htx *htx);
+int stats_is_full(struct appctx *appctx, struct buffer *buf, struct htx *htx);
 
 const char *stats_scope_ptr(struct appctx *appctx);