Use a simple struct when reading and writing gdbus messages
Use a simple struct when reading and writing gdbus messages

GData*Streams incur significant overhead, and we do not need all of the
functionality that they provide, since we only ever read from/write to
memory when handling message blobs, so it is more performant to use a
simple structure.

https://bugzilla.gnome.org/show_bug.cgi?id=652650

mzabaluev/glib,tamaskenez/glib,lukasz-skalski/glib,tchakabam/glib,Distrotech/glib,tamaskenez/glib,djdeath/glib,cention-sany/glib,tchakabam/glib,johne53/MB3Glib,krichter722/glib,lukasz-skalski/glib,djdeath/glib,djdeath/glib,Distrotech/glib,tamaskenez/glib,johne53/MB3Glib,lukasz-skalski/glib,MathieuDuponchelle/glib,djdeath/glib,krichter722/glib,MathieuDuponchelle/glib,mzabaluev/glib,lukasz-skalski/glib,ieei/glib,MathieuDuponchelle/glib,tchakabam/glib,cention-sany/glib,gale320/glib,johne53/MB3Glib,tamaskenez/glib,mzabaluev/glib,MathieuDuponchelle/glib,endlessm/glib,mzabaluev/glib,lukasz-skalski/glib,johne53/MB3Glib,MathieuDuponchelle/glib,Distrotech/glib,ieei/glib,ieei/glib,cention-sany/glib,cosimoc/glib,gale320/glib,krichter722/glib,gale320/glib,cention-sany/glib,gale320/glib,krichter722/glib,ieei/glib,johne53/MB3Glib,johne53/MB3Glib,cosimoc/glib,mzabaluev/glib,cosimoc/glib,endlessm/glib,tchakabam/glib,djdeath/glib,krichter722/glib,endlessm/glib,tamaskenez/glib,ieei/glib,cention-sany/glib,tchakabam/glib,endlessm/glib,Distrotech/glib,cosimoc/glib,gale320/glib,endlessm/glib,cosimoc/glib,Distrotech/glib