ref: c76cc12a1799ce214b07882eb6f4ab0906c0151b
dir: /sys/src/cmd/vnc/vnc.h/
#include <u.h> #include <libc.h> #include <bio.h> #include <draw.h> #include <memdraw.h> typedef struct Pixfmt Pixfmt; typedef struct Colorfmt Colorfmt; typedef struct Vnc Vnc; struct Colorfmt { int max; int shift; }; struct Pixfmt { int bpp; int depth; int bigendian; int truecolor; Colorfmt red; Colorfmt green; Colorfmt blue; }; struct Vnc { QLock; int datafd; /* for network connection */ int ctlfd; /* control for network connection */ Biobuf in; Biobuf out; Rectangle dim; Pixfmt; /* client only */ char *name; char *srvaddr; int vers; int canresize; struct { ulong id; Rectangle rect; ulong flags; } screen[1]; }; enum { VerLen = 12, /* authentication negotiation */ AFailed = 0, ANoAuth, AVncAuth, /* vnc auth negotiation */ VncAuthOK = 0, VncAuthFailed, VncAuthTooMany, VncChalLen = 16, /* server to client */ MFrameUpdate = 0, MSetCmap, MBell, MSCut, MSAck, /* client to server */ MPixFmt = 0, MFixCmap, MSetEnc, MFrameReq, MKey, MMouse, MCCut, MSetDesktopSize = 251, /* image encoding methods */ EncRaw = 0, EncCopyRect = 1, EncRre = 2, EncCorre = 4, EncHextile = 5, EncZlib = 6, /* 6,7,8 have been used by others */ EncTight = 7, EncZHextile = 8, EncMouseWarp = 9, EncDesktopSize = -223, EncXDesktopSize = -308, /* paramaters for hextile encoding */ HextileDim = 16, HextileRaw = 1, HextileBack = 2, HextileFore = 4, HextileRects = 8, HextileCols = 16 }; /* * we're only using the ulong as a place to store bytes, * and as something to compare against. * the bytes are stored in little-endian format. */ typedef ulong Color; /* auth.c */ extern int vncauth(Vnc*, char*); extern int vnchandshake(Vnc*); extern int vncsrvauth(Vnc*); extern int vncsrvhandshake(Vnc*); /* proto.c */ extern Vnc* vncinit(int, int, Vnc*); extern uchar vncrdchar(Vnc*); extern ushort vncrdshort(Vnc*); extern ulong vncrdlong(Vnc*); extern Point vncrdpoint(Vnc*); extern Rectangle vncrdrect(Vnc*); extern Rectangle vncrdcorect(Vnc*); extern Pixfmt vncrdpixfmt(Vnc*); extern void vncrdbytes(Vnc*, void*, int); extern char* vncrdstring(Vnc*); extern char* vncrdstringx(Vnc*); extern void vncwrstring(Vnc*, char*); extern void vncgobble(Vnc*, long); extern void vncflush(Vnc*); extern void vncterm(Vnc*); extern void vncwrbytes(Vnc*, void*, int); extern void vncwrlong(Vnc*, ulong); extern void vncwrshort(Vnc*, ushort); extern void vncwrchar(Vnc*, uchar); extern void vncwrpixfmt(Vnc*, Pixfmt*); extern void vncwrrect(Vnc*, Rectangle); extern void vncwrpoint(Vnc*, Point); extern void vnclock(Vnc*); /* for writing */ extern void vncunlock(Vnc*); extern void hexdump(void*, int); /* implemented by clients of the io library */ extern void vnchungup(Vnc*); extern int verbose;