Add DUMP_PROXY_CHAIN for debug builds and debug.c.

Makefile

@@ -18,7 +18,7 @@ OBJS = $(SRCS:.c=.o)
 LOBJS = src/nameinfo.o \
         src/core.o src/common.o src/libproxychains.o src/shm.o \
         src/allocator_thread.o src/ip_type.o src/stringdump.o \
-        src/hostentdb.o src/hash.o
+        src/hostentdb.o src/hash.o src/debug.o
 
 CFLAGS  += -Wall -O0 -g -std=c99 -D_GNU_SOURCE -pipe
 NO_AS_NEEDED = -Wl,--no-as-needed

src/debug.c

@@ -0,0 +1,41 @@
+
+#ifdef DEBUG
+# include "core.h"
+# include "common.h"
+# include "debug.h"
+
+char *proxy_type_strmap[] = {
+    "http",
+    "socks4",
+    "socks5",
+};
+
+char *chain_type_strmap[] = {
+    "dynamic_chain",
+    "strict_chain",
+    "random_chain",
+    "round_robin_chain",
+};
+
+char *proxy_state_strmap[] = {
+    "play",
+    "down",
+    "blocked",
+    "busy",
+};
+
+void DUMP_PROXY_CHAIN(proxy_data *pchain, unsigned int count) {
+    char ip_buf[16];
+    for (; count; pchain++, count--) {
+        pc_stringfromipv4(&pchain->ip.octet[0], ip_buf);
+        PDEBUG("[%s] %s %s:%d", proxy_state_strmap[pchain->ps],
+            proxy_type_strmap[pchain->pt], 
+            ip_buf, htons(pchain->port));
+        if (*pchain->user || *pchain->pass) {
+            PSTDERR(" [u=%s,p=%s]", pchain->user, pchain->pass);
+        }
+        PSTDERR("\n");
+    }
+}
+
+#endif

src/debug.h

@@ -3,9 +3,15 @@
 
 #ifdef DEBUG
 # include <stdio.h>
-# define PDEBUG(fmt, args...) do { dprintf(2,"DEBUG:"fmt, ## args); } while(0)
+# define PSTDERR(fmt, args...) do { dprintf(2,fmt, ## args); } while(0)
+# define PDEBUG(fmt, args...) PSTDERR("DEBUG:"fmt, ## args)
+
+# include "core.h"
+void DUMP_PROXY_CHAIN(proxy_data *pchain, unsigned int count);
+
 #else
 # define PDEBUG(fmt, args...) do {} while (0)
+# define DUMP_PROXY_CHAIN(args...) do {} while (0)
 #endif
 
 # define PFUNC() do { PDEBUG("pid[%d]:%s\n", getpid(), __FUNCTION__); } while(0)