rgw: switch mongoose to civetweb

Fixes: #7054
mongoose is now GPL, using the civetweb fork instead.

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "src/mongoose"]
 	path = src/mongoose
 	url = git://github.com/ceph/mongoose.git
+[submodule "src/civetweb"]
+	path = src/civetweb
+	url = git@github.com:ceph/civetweb

src/civetweb

@@ -0,0 +1 @@
+Subproject commit 400f29c108b35fe40f7290d3fff62c6892801e13

src/rgw/Makefile.am

@@ -51,6 +51,8 @@ LIBRGW_DEPS += \
 	-lfcgi \
 	-ldl
 
+CIVETWEB = civetweb
+
 radosgw_SOURCES = \
 	rgw/rgw_resolve.cc \
 	rgw/rgw_rest.cc \
@@ -69,9 +71,10 @@ radosgw_SOURCES = \
 	rgw/rgw_swift.cc \
 	rgw/rgw_swift_auth.cc \
 	rgw/rgw_loadgen.cc \
-	rgw/rgw_mongoose.cc \
-	mongoose/mongoose.c \
+	rgw/rgw_civetweb.cc \
+	$(CIVETWEB)/src/civetweb.c \
 	rgw/rgw_main.cc
+radosgw_CFLAGS = -I$(CIVETWEB)/include
 radosgw_LDADD = $(LIBRGW) $(LIBRGW_DEPS) $(RESOLV_LIBS) $(CEPH_GLOBAL)
 bin_PROGRAMS += radosgw
 
@@ -154,6 +157,6 @@ noinst_HEADERS += \
 	rgw/rgw_user.h \
 	rgw/rgw_bucket.h \
 	rgw/rgw_keystone.h \
-	rgw/rgw_mongoose.h \
-	mongoose/mongoose.h
+	rgw/rgw_civetweb.h \
+	civetweb/civetweb.h
 

src/rgw/rgw_civetweb.cc

@@ -1,8 +1,8 @@
 
 #include <string.h>
 
-#include "mongoose/mongoose.h"
-#include "rgw_mongoose.h"
+#include "civetweb/civetweb.h"
+#include "rgw_civetweb.h"
 
 
 #define dout_subsys ceph_subsys_rgw

src/rgw/rgw_main.cc

@@ -53,9 +53,9 @@
 #include "rgw_tools.h"
 #include "rgw_resolve.h"
 #include "rgw_loadgen.h"
-#include "rgw_mongoose.h"
+#include "rgw_civetweb.h"
 
-#include "mongoose/mongoose.h"
+#include "civetweb/civetweb.h"
 
 #include <map>
 #include <string>
@@ -673,7 +673,7 @@ void RGWLoadGenProcess::handle_request(RGWRequest *r)
 }
 
 
-static int mongoose_callback(struct mg_connection *conn) {
+static int civetweb_callback(struct mg_connection *conn) {
   struct mg_request_info *req_info = mg_get_request_info(conn);
   RGWProcessEnv *pe = (RGWProcessEnv *)req_info->user_data;
   RGWRados *store = pe->store;
@@ -928,7 +928,7 @@ public:
 
     struct mg_callbacks cb;
     memset((void *)&cb, 0, sizeof(cb));
-    cb.begin_request = mongoose_callback;
+    cb.begin_request = civetweb_callback;
     ctx = mg_start(&cb, &env, (const char **)&options);
 
     if (!ctx) {
@@ -1122,7 +1122,7 @@ int main(int argc, const char **argv)
       RGWProcessEnv fcgi_pe = { store, &rest, olog, 0 };
 
       fe = new RGWFCGXFrontend(fcgi_pe, config);
-    } else if (framework == "mongoose") {
+    } else if (framework == "civetweb" || framework == "mongoose") {
       string err;
 
       int port;