San Mehat | a430b2b | 2014-09-23 08:30:51 -0700 | [diff] [blame] | 1 | /** |
| 2 | * @example vncev.c |
| 3 | * This program is a simple server to show events coming from the client |
| 4 | */ |
| 5 | #ifdef __STRICT_ANSI__ |
| 6 | #define _BSD_SOURCE |
| 7 | #endif |
| 8 | #include <stdio.h> |
| 9 | #include <stdlib.h> |
| 10 | #include <sys/types.h> |
| 11 | #ifndef __MINGW32__ |
| 12 | #include <sys/socket.h> |
| 13 | #endif |
| 14 | #include <rfb/rfb.h> |
| 15 | #include <rfb/default8x16.h> |
| 16 | |
| 17 | #define width 100 |
| 18 | #define height 100 |
| 19 | static char f[width*height]; |
| 20 | static char* keys[0x400]; |
| 21 | |
| 22 | static int hex2number(unsigned char c) |
| 23 | { |
| 24 | if(c>'f') return(-1); |
| 25 | else if(c>'F') |
| 26 | return(10+c-'a'); |
| 27 | else if(c>'9') |
| 28 | return(10+c-'A'); |
| 29 | else |
| 30 | return(c-'0'); |
| 31 | } |
| 32 | |
| 33 | static void read_keys(void) |
| 34 | { |
| 35 | int i,j,k; |
| 36 | char buffer[1024]; |
| 37 | FILE* keysyms=fopen("keysym.h","r"); |
| 38 | |
| 39 | memset(keys,0,0x400*sizeof(char*)); |
| 40 | |
| 41 | if(!keysyms) |
| 42 | return; |
| 43 | |
| 44 | while(!feof(keysyms)) { |
| 45 | fgets(buffer,1024,keysyms); |
| 46 | if(!strncmp(buffer,"#define XK_",strlen("#define XK_"))) { |
| 47 | for(i=strlen("#define XK_");buffer[i] && buffer[i]!=' ' |
| 48 | && buffer[i]!='\t';i++); |
| 49 | if(buffer[i]==0) /* don't support wrapped lines */ |
| 50 | continue; |
| 51 | buffer[i]=0; |
| 52 | for(i++;buffer[i] && buffer[i]!='0';i++); |
| 53 | if(buffer[i]==0 || buffer[i+1]!='x') continue; |
| 54 | for(j=0,i+=2;(k=hex2number(buffer[i]))>=0;i++) |
| 55 | j=j*16+k; |
| 56 | if(keys[j&0x3ff]) { |
| 57 | char* x=(char*)malloc(1+strlen(keys[j&0x3ff])+1+strlen(buffer+strlen("#define "))); |
| 58 | strcpy(x,keys[j&0x3ff]); |
| 59 | strcat(x,","); |
| 60 | strcat(x,buffer+strlen("#define ")); |
| 61 | free(keys[j&0x3ff]); |
| 62 | keys[j&0x3ff]=x; |
| 63 | } else |
| 64 | keys[j&0x3ff] = strdup(buffer+strlen("#define ")); |
| 65 | } |
| 66 | |
| 67 | } |
| 68 | fclose(keysyms); |
| 69 | } |
| 70 | |
| 71 | static int lineHeight=16,lineY=height-16; |
| 72 | static void output(rfbScreenInfoPtr s,char* line) |
| 73 | { |
| 74 | rfbDoCopyRect(s,0,0,width,height-lineHeight,0,-lineHeight); |
| 75 | rfbDrawString(s,&default8x16Font,10,lineY,line,0x01); |
| 76 | rfbLog("%s\n",line); |
| 77 | } |
| 78 | |
| 79 | static void dokey(rfbBool down,rfbKeySym k,rfbClientPtr cl) |
| 80 | { |
| 81 | char buffer[1024+32]; |
| 82 | |
| 83 | sprintf(buffer,"%s: %s (0x%x)", |
| 84 | down?"down":"up",keys[k&0x3ff]?keys[k&0x3ff]:"",(unsigned int)k); |
| 85 | output(cl->screen,buffer); |
| 86 | } |
| 87 | |
| 88 | static void doptr(int buttonMask,int x,int y,rfbClientPtr cl) |
| 89 | { |
| 90 | char buffer[1024]; |
| 91 | if(buttonMask) { |
| 92 | sprintf(buffer,"Ptr: mouse button mask 0x%x at %d,%d",buttonMask,x,y); |
| 93 | output(cl->screen,buffer); |
| 94 | } |
| 95 | |
| 96 | } |
| 97 | |
| 98 | static enum rfbNewClientAction newclient(rfbClientPtr cl) |
| 99 | { |
| 100 | char buffer[1024]; |
| 101 | struct sockaddr_in addr; |
| 102 | socklen_t len=sizeof(addr); |
| 103 | unsigned int ip; |
| 104 | |
| 105 | getpeername(cl->sock,(struct sockaddr*)&addr,&len); |
| 106 | ip=ntohl(addr.sin_addr.s_addr); |
| 107 | sprintf(buffer,"Client connected from ip %d.%d.%d.%d", |
| 108 | (ip>>24)&0xff,(ip>>16)&0xff,(ip>>8)&0xff,ip&0xff); |
| 109 | output(cl->screen,buffer); |
| 110 | return RFB_CLIENT_ACCEPT; |
| 111 | } |
| 112 | |
| 113 | int main(int argc,char** argv) |
| 114 | { |
| 115 | rfbScreenInfoPtr s=rfbGetScreen(&argc,argv,width,height,8,1,1); |
| 116 | if(!s) |
| 117 | return 0; |
| 118 | s->colourMap.is16=FALSE; |
| 119 | s->colourMap.count=2; |
| 120 | s->colourMap.data.bytes=(unsigned char*)"\xd0\xd0\xd0\x30\x01\xe0"; |
| 121 | s->serverFormat.trueColour=FALSE; |
| 122 | s->frameBuffer=f; |
| 123 | s->kbdAddEvent=dokey; |
| 124 | s->ptrAddEvent=doptr; |
| 125 | s->newClientHook=newclient; |
| 126 | |
| 127 | memset(f,0,width*height); |
| 128 | read_keys(); |
| 129 | rfbInitServer(s); |
| 130 | |
| 131 | while(1) { |
| 132 | rfbProcessEvents(s,999999); |
| 133 | } |
| 134 | } |