Nobuaki Aoki / Mbed 2 deprecated myBlueUSB_localfix

local fix version of myBlueUSB (http://mbed.org/users/networker/code/myBlueUSB/). - merge deleted files which are required to compile. - enable echo back of received data via RFCOMM.

Dependencies:   AvailableMemory FatFileSystem mbed myUSBHost

sdp/sdp.cpp@2:9f25a7fa1a54, 2013-12-08 (annotated)

Committer:
nobukuma
Date:
Sun Dec 08 21:52:09 2013 +0000
Revision:
2:9f25a7fa1a54
Parent:
0:003889bc474f 
???BT??????????????????; ?????????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nobukuma 0:003889bc474f 1 #include "mbed.h"
nobukuma 0:003889bc474f 2 #include "Utils.h"
nobukuma 0:003889bc474f 3 #include "hci.h"
nobukuma 0:003889bc474f 4 #include "sdp_data.h"
nobukuma 0:003889bc474f 5 #include "sdp.h"
nobukuma 0:003889bc474f 6
nobukuma 0:003889bc474f 7 SDPManager SDP; //instance
nobukuma 0:003889bc474f 8 const unsigned char base_uuid[16] = { 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0, 0x07, 0x70, 0, 0x10, 0, 0};
nobukuma 0:003889bc474f 9 map<unsigned, serv_rec*> SDPManager::server;
nobukuma 0:003889bc474f 10 int SDPManager::serverSock = 0;
nobukuma 0:003889bc474f 11
nobukuma 0:003889bc474f 12 void attribHandler(serv_rec *r) {
nobukuma 0:003889bc474f 13 printf("Service 0x%08X\n", (*r)[0x0000]->asUnsigned());
nobukuma 0:003889bc474f 14 map<unsigned short, sdp_data*>::iterator it = r->begin();
nobukuma 0:003889bc474f 15 for (;it != r->end();it++) {
nobukuma 0:003889bc474f 16 printf(" 0x%04X: %s\n", (*it).first, (*it).second->asString());
nobukuma 0:003889bc474f 17 }
nobukuma 0:003889bc474f 18 }
nobukuma 0:003889bc474f 19
nobukuma 0:003889bc474f 20 #define BROWSEGROUP 0x1001
nobukuma 0:003889bc474f 21 #define BROWSEROOT 0x1002
nobukuma 0:003889bc474f 22 #define SERIALSERV 0x1101
nobukuma 0:003889bc474f 23
nobukuma 0:003889bc474f 24 SDPHandler::SDPHandler(): txid(1), tree(0) {
nobukuma 0:003889bc474f 25 ErrorResponse=errorhandler;
nobukuma 0:003889bc474f 26 ServiceSearchResponse=0;
nobukuma 0:003889bc474f 27 ServiceAttributeResponse=attribHandler;
nobukuma 0:003889bc474f 28 ServiceSearchAttributeResponse=0;
nobukuma 0:003889bc474f 29 buf = l2cap_buf+OFFSET;
nobukuma 0:003889bc474f 30 contBuf = 0;
nobukuma 0:003889bc474f 31 byteCount = 0;
nobukuma 0:003889bc474f 32 contState[0] = 0;
nobukuma 0:003889bc474f 33 _state = 0;
nobukuma 0:003889bc474f 34 }
nobukuma 0:003889bc474f 35
nobukuma 0:003889bc474f 36 void SDPHandler::Clear() {
nobukuma 0:003889bc474f 37 for (index = services.begin(); index != services.end(); index++) {//for all services
nobukuma 0:003889bc474f 38 for (serv_rec::iterator it = index->second->begin(); it != index->second->end(); it++)//for all attributes
nobukuma 0:003889bc474f 39 delete it->second; //delete the attribute value tree
nobukuma 0:003889bc474f 40 delete (*index).second; //delete the attribute list
nobukuma 0:003889bc474f 41 }
nobukuma 0:003889bc474f 42 services.clear();//and empty the services list
nobukuma 0:003889bc474f 43 }
nobukuma 0:003889bc474f 44
nobukuma 0:003889bc474f 45 //Called as: Socket_Open(SOCKET_SDP, addr, callback, userdata(this)) from SDPManager
nobukuma 0:003889bc474f 46 //never called
nobukuma 0:003889bc474f 47 int SDPHandler::Open(SocketInternal* sock, SocketAddrHdr* addr) {
nobukuma 0:003889bc474f 48 printf("Successfully opened SDP socket %d\n", sock->ID);
nobukuma 0:003889bc474f 49 sock->SetState(SocketState_Open);
nobukuma 0:003889bc474f 50 sdp_socket = sock->ID;
nobukuma 0:003889bc474f 51 return sdp_socket;
nobukuma 0:003889bc474f 52 }
nobukuma 0:003889bc474f 53
nobukuma 0:003889bc474f 54 int SDPHandler::Send(SocketInternal* sock, const u8* data, int len) {
nobukuma 0:003889bc474f 55 printf("SDPHandler::Send should not be called directly\n");
nobukuma 0:003889bc474f 56 // return Socket_Send(_l2cap, data, len);
nobukuma 0:003889bc474f 57 BTDevice *l2cap = (BTDevice*)sock->userData;
nobukuma 0:003889bc474f 58 return l2cap->Send(sock, data, len);
nobukuma 0:003889bc474f 59 }
nobukuma 0:003889bc474f 60
nobukuma 0:003889bc474f 61 int SDPHandler::Close(SocketInternal* sock) {
nobukuma 0:003889bc474f 62 printf("SDPHandler::Close(%d)\n", sock->ID);
nobukuma 0:003889bc474f 63 Clear();
nobukuma 0:003889bc474f 64 // printf("SDP socket %d and L2CAP socket %d closed, freemem=%d\n", sock->ID, _l2cap, AvailableMemory(1));
nobukuma 0:003889bc474f 65 int retval = 0;//Socket_Close(_l2cap);//could also keep it open for the next connection
nobukuma 0:003889bc474f 66 return retval;
nobukuma 0:003889bc474f 67 }
nobukuma 0:003889bc474f 68
nobukuma 0:003889bc474f 69 //this function is called when the L2CAP layer receives SDP packets (see SDPHandler::Open), userdata is the sdpmanager instance
nobukuma 0:003889bc474f 70 void SDPHandler::OnSdpRsp(int socket, SocketState state, const u8* data, int len, void* userData) {
nobukuma 0:003889bc474f 71 printf("\x1B[%dm", 35);
nobukuma 0:003889bc474f 72 // printf("OnSdpRsp(socket=%d, state=%d, len=%d)\n", socket, state, len);
nobukuma 0:003889bc474f 73 printf("SDPHandler::OnSdpRsp(socket=%d, state=%d, len=%d, freemem=%d\n", socket, state, len, AvailableMemory(1));
nobukuma 0:003889bc474f 74 SDPHandler *self = (SDPHandler*)userData;
nobukuma 0:003889bc474f 75 if (state == SocketState_Open) {
nobukuma 0:003889bc474f 76 self->sdp_socket = socket;
nobukuma 0:003889bc474f 77 self->OnSdpRsp(data, len);
nobukuma 0:003889bc474f 78 } else if (state == SocketState_Closed) {
nobukuma 0:003889bc474f 79 SDP.Destroy(socket);
nobukuma 0:003889bc474f 80 }
nobukuma 0:003889bc474f 81 printf("\x1B[%dm", 0);
nobukuma 0:003889bc474f 82 }
nobukuma 0:003889bc474f 83
nobukuma 0:003889bc474f 84 //this function is called when the L2CAP layer receives SDP packets (see SDPHandler::Open), userdata is the sdpmanager instance
nobukuma 0:003889bc474f 85 //void SDPHandler::OnSdpRsp(int socket, SocketState state, const u8* data, int len, void* userData) {
nobukuma 0:003889bc474f 86 void SDPHandler::OnSdpRsp(const u8* data, int len) {
nobukuma 0:003889bc474f 87 static sdp_data list(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 88 static sdp_data all(0x0000ffffU,4);
nobukuma 0:003889bc474f 89 static sdp_data serviceID(0U, 2);
nobukuma 0:003889bc474f 90 static sdp_data name(0x100U, 2);
nobukuma 0:003889bc474f 91 static sdp_data root(sdp_data::UUID, BROWSEROOT);
nobukuma 0:003889bc474f 92 static sdp_data req(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 93 static bool once = true;
nobukuma 0:003889bc474f 94 // printf("_state=%d first=%d ", _state, once);
nobukuma 0:003889bc474f 95 if (once) {
nobukuma 0:003889bc474f 96 list.add_element(&all);
nobukuma 0:003889bc474f 97 //list.add_element(&serviceID);
nobukuma 0:003889bc474f 98 //list.add_element(&name);
nobukuma 0:003889bc474f 99 req.add_element(&root);
nobukuma 0:003889bc474f 100 once = false;
nobukuma 0:003889bc474f 101 }
nobukuma 0:003889bc474f 102 if (data) {
nobukuma 0:003889bc474f 103 parseRsp(data, len);
nobukuma 0:003889bc474f 104 }
nobukuma 0:003889bc474f 105 switch (_state) {
nobukuma 0:003889bc474f 106 case 0: //closed
nobukuma 0:003889bc474f 107 if (len==0) { //socket just opened
nobukuma 0:003889bc474f 108 //'Open' cleared the services list
nobukuma 0:003889bc474f 109 ServiceSearchRequest(&req, 10);
nobukuma 0:003889bc474f 110 _state = 1; //wait for service handles
nobukuma 0:003889bc474f 111 }
nobukuma 0:003889bc474f 112 break;
nobukuma 0:003889bc474f 113 case 1: //service handles arriving
nobukuma 0:003889bc474f 114 if (contState[0]) {//continuation, repeat request
nobukuma 0:003889bc474f 115 ServiceSearchRequest(&req, 5);
nobukuma 0:003889bc474f 116 } else {
nobukuma 0:003889bc474f 117 if (data[0]==3) {
nobukuma 0:003889bc474f 118 index = services.begin();
nobukuma 0:003889bc474f 119 if (index != services.end()) {
nobukuma 0:003889bc474f 120 unsigned handle = (*index).first;
nobukuma 0:003889bc474f 121 //printf("req.: handle %#X\n", handle);
nobukuma 0:003889bc474f 122 ServiceAttributeRequest(handle, 100, &list);//0x1001D
nobukuma 0:003889bc474f 123 } else
nobukuma 0:003889bc474f 124 printf(" - empty list - \n");//should not happen
nobukuma 0:003889bc474f 125 _state = 2; //wait for attribute response
nobukuma 0:003889bc474f 126 } else
nobukuma 0:003889bc474f 127 printf("Expected a ServiceSearchResponse 0x03, got %#x\n", data[0]);
nobukuma 0:003889bc474f 128 }
nobukuma 0:003889bc474f 129 break;
nobukuma 0:003889bc474f 130 case 2:
nobukuma 0:003889bc474f 131 if (contState[0])//repeat request
nobukuma 0:003889bc474f 132 ServiceAttributeRequest((*index).first, 100, &list);
nobukuma 0:003889bc474f 133 else {
nobukuma 0:003889bc474f 134 if (data[0]==5) {
nobukuma 0:003889bc474f 135 index++; //move to next service
nobukuma 0:003889bc474f 136 if (index != services.end()) {
nobukuma 0:003889bc474f 137 //printf("req.: handle %#X\n", (*index).first);
nobukuma 0:003889bc474f 138 ServiceAttributeRequest((*index).first, 100, &list);
nobukuma 0:003889bc474f 139 } else {
nobukuma 0:003889bc474f 140 printf(" - end of list - \n");
nobukuma 0:003889bc474f 141 Socket_Close(sdp_socket); //Note: socket=L2CAP, sdp_socket=SDP !!!
nobukuma 0:003889bc474f 142 _state = 0;
nobukuma 0:003889bc474f 143 }
nobukuma 0:003889bc474f 144 } else
nobukuma 0:003889bc474f 145 printf("Expected a ServiceAttributeResponse 0x05, got %#x\n", data[0]);
nobukuma 0:003889bc474f 146 }
nobukuma 0:003889bc474f 147 break;
nobukuma 0:003889bc474f 148 }
nobukuma 0:003889bc474f 149 }
nobukuma 0:003889bc474f 150
nobukuma 0:003889bc474f 151 //this function is called when the SDP sockets receives data (see HCICallback in TestShell),
nobukuma 0:003889bc474f 152 //currently does not happen because not forwarded from OnSdpRsp, can be used to handle multiple connections
nobukuma 0:003889bc474f 153 void SDPHandler::OnSockCallback(int socket, SocketState state, const u8* data, int len, void* userData) {
nobukuma 0:003889bc474f 154 printf("SDPHandler::OnSockCallback(socket=%d, state=%d, len=%d)\n", socket, state, len);
nobukuma 0:003889bc474f 155 printfBytes("Got SDP Response from socket: ", data, len);
nobukuma 0:003889bc474f 156 }
nobukuma 0:003889bc474f 157
nobukuma 0:003889bc474f 158 //void SDPHandler::errorhandler(unsigned err) {//default error handler
nobukuma 0:003889bc474f 159 void errorhandler(unsigned err) {//default error handler
nobukuma 0:003889bc474f 160 switch (err) {
nobukuma 0:003889bc474f 161 case 1:
nobukuma 0:003889bc474f 162 printf("Unsupported version of SDP\n");
nobukuma 0:003889bc474f 163 break;
nobukuma 0:003889bc474f 164 case 2:
nobukuma 0:003889bc474f 165 printf("Invalid SDP ServiceRecordHandle\n");
nobukuma 0:003889bc474f 166 break;
nobukuma 0:003889bc474f 167 case 3:
nobukuma 0:003889bc474f 168 printf("SDP syntax error\n");
nobukuma 0:003889bc474f 169 break;
nobukuma 0:003889bc474f 170 case 4:
nobukuma 0:003889bc474f 171 printf("PDU size was invalid\n");
nobukuma 0:003889bc474f 172 break;
nobukuma 0:003889bc474f 173 case 5:
nobukuma 0:003889bc474f 174 printf("Continuation state was invalid\n");
nobukuma 0:003889bc474f 175 break;
nobukuma 0:003889bc474f 176 case 6:
nobukuma 0:003889bc474f 177 printf("SDP server has insufficient resources\n");
nobukuma 0:003889bc474f 178 break;
nobukuma 0:003889bc474f 179 default:
nobukuma 0:003889bc474f 180 printf("Unknown SDP error code\n");
nobukuma 0:003889bc474f 181 break;
nobukuma 0:003889bc474f 182 }
nobukuma 0:003889bc474f 183 }
nobukuma 0:003889bc474f 184
nobukuma 0:003889bc474f 185 int SDPHandler::ServiceSearchRequest(sdp_data *sp, unsigned count, unsigned cs) {
nobukuma 0:003889bc474f 186 int parlen = sp->Size() + contState[0] + 3;
nobukuma 0:003889bc474f 187 buf[0] = 2; //pdu
nobukuma 0:003889bc474f 188 buf[1] = txid>>8;
nobukuma 0:003889bc474f 189 buf[2] = txid++;
nobukuma 0:003889bc474f 190 buf[4] = parlen;
nobukuma 0:003889bc474f 191 buf[3] = parlen>>8;
nobukuma 0:003889bc474f 192 int p = sp->build(buf+5, 100-10);
nobukuma 0:003889bc474f 193 buf[p+6] = count;
nobukuma 0:003889bc474f 194 buf[p+5] = count>>8;
nobukuma 0:003889bc474f 195 buf[p+7] = contState[0];
nobukuma 0:003889bc474f 196 for (int j = 1; j <= contState[0]; j++)
nobukuma 0:003889bc474f 197 buf[p+j+7] = contState[j];
nobukuma 0:003889bc474f 198 //printfBytes("SDP Send: ", buf, parlen+5);
nobukuma 0:003889bc474f 199 return Socket_Send(sdp_socket, l2cap_buf, parlen + 5 + OFFSET);
nobukuma 0:003889bc474f 200 }
nobukuma 0:003889bc474f 201
nobukuma 0:003889bc474f 202 int SDPHandler::ServiceAttributeRequest(unsigned handle, unsigned count, sdp_data* al, unsigned cs) {
nobukuma 0:003889bc474f 203 int parlen = al->Size() + contState[0] + 7;
nobukuma 0:003889bc474f 204 buf[0] = 4; //pdu
nobukuma 0:003889bc474f 205 buf[1] = txid>>8;
nobukuma 0:003889bc474f 206 buf[2] = txid++;
nobukuma 0:003889bc474f 207 buf[4] = parlen;
nobukuma 0:003889bc474f 208 buf[3] = parlen>>8;
nobukuma 0:003889bc474f 209 for (int i = 0; i < 4; i++)
nobukuma 0:003889bc474f 210 buf[i+5] = ((char*)&handle)[3-i];
nobukuma 0:003889bc474f 211 buf[9] = count>>8;
nobukuma 0:003889bc474f 212 buf[10] = count;
nobukuma 0:003889bc474f 213 int p = al->build(buf+11, 100-26);
nobukuma 0:003889bc474f 214 buf[p+11] = contState[0];
nobukuma 0:003889bc474f 215 for (int j = 1; j <= contState[0]; j++)
nobukuma 0:003889bc474f 216 buf[p+j+11] = contState[j];
nobukuma 0:003889bc474f 217 //printfBytes("SDP Send: ", buf, parlen+5);
nobukuma 0:003889bc474f 218 return Socket_Send(sdp_socket, l2cap_buf, parlen + 5 + OFFSET);
nobukuma 0:003889bc474f 219 }
nobukuma 0:003889bc474f 220
nobukuma 0:003889bc474f 221 int SDPHandler::ServiceSearchAttributeRequest(sdp_data *sp, unsigned count, sdp_data* al, unsigned cs) {
nobukuma 0:003889bc474f 222 int parlen = sp->Size() + al->Size() + contState[0] + 3; // count (2 bytes) + at least 1 cont
nobukuma 0:003889bc474f 223 buf[0] = 6; //pdu
nobukuma 0:003889bc474f 224 buf[1] = txid>>8;
nobukuma 0:003889bc474f 225 buf[2] = txid++;
nobukuma 0:003889bc474f 226 buf[4] = parlen;
nobukuma 0:003889bc474f 227 buf[3] = parlen>>8;
nobukuma 0:003889bc474f 228 int p = sp->build(buf+5, 30);
nobukuma 0:003889bc474f 229 buf[p+6] = count;
nobukuma 0:003889bc474f 230 buf[p+5] = count>>8;
nobukuma 0:003889bc474f 231 p += al->build(buf+11, 100-38);
nobukuma 0:003889bc474f 232 buf[p+7] = contState[0];
nobukuma 0:003889bc474f 233 for (int j = 1; j <= contState[0]; j++)
nobukuma 0:003889bc474f 234 buf[p+j+7] = contState[j];
nobukuma 0:003889bc474f 235 //printfBytes("SDP Send: ", buf, parlen+5);
nobukuma 0:003889bc474f 236 return Socket_Send(sdp_socket, l2cap_buf, parlen + 5 + OFFSET);
nobukuma 0:003889bc474f 237 }
nobukuma 0:003889bc474f 238
nobukuma 0:003889bc474f 239 unsigned BE32(unsigned le) {
nobukuma 0:003889bc474f 240 unsigned be=0;
nobukuma 0:003889bc474f 241 for (int i = 0; i < 32; i+=8){
nobukuma 0:003889bc474f 242 be |= ((le>>i)&0xFFU)<<(24-i);
nobukuma 0:003889bc474f 243 }
nobukuma 0:003889bc474f 244 return be;
nobukuma 0:003889bc474f 245 }
nobukuma 0:003889bc474f 246
nobukuma 0:003889bc474f 247 int SDPManager::ServiceSearchReply(unsigned rxid, unsigned *handles, unsigned count, unsigned cs) {//'count' is number of matching handles and capped at the maximumservicerecordcount
nobukuma 0:003889bc474f 248 unsigned size = count*4;
nobukuma 0:003889bc474f 249 unsigned cont = 0;//outgoing continuation
nobukuma 0:003889bc474f 250 unsigned char *_buf = new unsigned char[OFFSET+5+4+size+3];
nobukuma 0:003889bc474f 251 unsigned char *buf = _buf+OFFSET;
nobukuma 0:003889bc474f 252 unsigned current = count - cs; //remainder of data to send
nobukuma 0:003889bc474f 253 unsigned parlen = 4 + 4*current + 1 ;// attributelistbytecount+payload+no_continuation
nobukuma 0:003889bc474f 254 //never need a continuation unless other criterion like PDU size is used
nobukuma 0:003889bc474f 255 if (current > count) {//still too large, need continuation
nobukuma 0:003889bc474f 256 current = count; //limit at maximum
nobukuma 0:003889bc474f 257 cont = cs + count; //start for next iteration
nobukuma 0:003889bc474f 258 parlen = 4 + 4*current + 3; //adjusted for payload and continuation
nobukuma 0:003889bc474f 259 printf("Need continuation, sending handles [%d, %d> of attributeList\n", cs, cont);
nobukuma 0:003889bc474f 260 } else {
nobukuma 0:003889bc474f 261 // printf("Final or only block, sending bytes [%d, %d> of attributeList\n", cs, cs+byteCount);
nobukuma 0:003889bc474f 262 }
nobukuma 0:003889bc474f 263 buf[0] = 3; //pdu
nobukuma 0:003889bc474f 264 buf[1] = rxid>>8;
nobukuma 0:003889bc474f 265 buf[2] = rxid;
nobukuma 0:003889bc474f 266 buf[3] = parlen>>8;
nobukuma 0:003889bc474f 267 buf[4] = parlen;
nobukuma 0:003889bc474f 268 buf[5] = count>>8;
nobukuma 0:003889bc474f 269 buf[6] = count;
nobukuma 0:003889bc474f 270 buf[7] = current>>8;
nobukuma 0:003889bc474f 271 buf[8] = current;
nobukuma 0:003889bc474f 272 unsigned *p = (unsigned*)&buf[9];
nobukuma 0:003889bc474f 273 for (int i = 0; i < current; i++)
nobukuma 0:003889bc474f 274 p[i] = BE32(handles[i]);
nobukuma 0:003889bc474f 275 //printf("'build' added %d bytes to the buffer\n", p);
nobukuma 0:003889bc474f 276 if (cs == 0) { //this is not a continuation
nobukuma 0:003889bc474f 277 buf[5+parlen-1] = 0;
nobukuma 0:003889bc474f 278 } else { //this is a continuation
nobukuma 0:003889bc474f 279 memcpy(buf+9, buf+9+cs*4, current*4);//move part of interrest to beginning of buffer
nobukuma 0:003889bc474f 280 buf[5+parlen-3] = 2;
nobukuma 0:003889bc474f 281 buf[5+parlen-2] = cont>>8;
nobukuma 0:003889bc474f 282 buf[5+parlen-1] = cont;
nobukuma 0:003889bc474f 283 }
nobukuma 0:003889bc474f 284 //printfBytes("SDP Send: ", buf, parlen+5);
nobukuma 0:003889bc474f 285 int retval = Socket_Send(serverSock, _buf, parlen + 5 + OFFSET);
nobukuma 0:003889bc474f 286 delete[] _buf;
nobukuma 0:003889bc474f 287 return retval;
nobukuma 0:003889bc474f 288 }
nobukuma 0:003889bc474f 289
nobukuma 0:003889bc474f 290 int SDPManager::ServiceAttributeReply(unsigned rxid, sdp_data* al, unsigned count, unsigned cs) {
nobukuma 0:003889bc474f 291 unsigned size = al->Size();
nobukuma 0:003889bc474f 292 unsigned cont = 0;//outgoing continuation
nobukuma 0:003889bc474f 293 unsigned char *_buf = new unsigned char[OFFSET+5+2+size+3];
nobukuma 0:003889bc474f 294 unsigned char *buf = _buf+OFFSET;
nobukuma 0:003889bc474f 295 unsigned byteCount = size - cs; //remainder of data to send
nobukuma 0:003889bc474f 296 unsigned parlen = 2 + byteCount + 1 ;// attributelistbytecount+payload+no_continuation
nobukuma 0:003889bc474f 297 if (byteCount > count) {//still too large, need continuation
nobukuma 0:003889bc474f 298 byteCount = count; //limit at maximum
nobukuma 0:003889bc474f 299 cont = cs + count; //start for next iteration
nobukuma 0:003889bc474f 300 parlen = 2 + byteCount + 3; //adjusted for payload and continuation
nobukuma 0:003889bc474f 301 printf("Need continuation, sending bytes [%d, %d> of attributeList\n", cs, cont);
nobukuma 0:003889bc474f 302 } else {
nobukuma 0:003889bc474f 303 // printf("Final or only block, sending bytes [%d, %d> of attributeList\n", cs, cs+byteCount);
nobukuma 0:003889bc474f 304 }
nobukuma 0:003889bc474f 305 buf[0] = 5; //pdu
nobukuma 0:003889bc474f 306 buf[1] = rxid>>8;
nobukuma 0:003889bc474f 307 buf[2] = rxid;
nobukuma 0:003889bc474f 308 buf[3] = parlen>>8;
nobukuma 0:003889bc474f 309 buf[4] = parlen;
nobukuma 0:003889bc474f 310 buf[5] = byteCount>>8;
nobukuma 0:003889bc474f 311 buf[6] = byteCount;
nobukuma 0:003889bc474f 312 int p = al->build(buf+7, size);//limited only by buffersize
nobukuma 0:003889bc474f 313 //printf("'build' added %d bytes to the buffer\n", p);
nobukuma 0:003889bc474f 314 if (cs == 0) { //this is not a continuation
nobukuma 0:003889bc474f 315 buf[byteCount+7] = 0;
nobukuma 0:003889bc474f 316 } else { //this is a continuation
nobukuma 0:003889bc474f 317 memcpy(buf+7, buf+7+cs, byteCount);//move part of interrest to beginning of buffer
nobukuma 0:003889bc474f 318 buf[byteCount+7] = 2;
nobukuma 0:003889bc474f 319 buf[byteCount+8] = cont>>8;
nobukuma 0:003889bc474f 320 buf[byteCount+9] = cont;
nobukuma 0:003889bc474f 321 }
nobukuma 0:003889bc474f 322 //printfBytes("SDP Send: ", buf, parlen+5);
nobukuma 0:003889bc474f 323 int retval = Socket_Send(serverSock, _buf, parlen + 5 + OFFSET);
nobukuma 0:003889bc474f 324 delete[] _buf;
nobukuma 0:003889bc474f 325 return retval;
nobukuma 0:003889bc474f 326 }
nobukuma 0:003889bc474f 327
nobukuma 0:003889bc474f 328 int SDPManager::ServiceSearchAttributeReply(unsigned rxid, sdp_data* al, unsigned count, unsigned cs) {
nobukuma 0:003889bc474f 329 unsigned size = al->Size();
nobukuma 0:003889bc474f 330 unsigned cont = 0;//outgoing continuation
nobukuma 0:003889bc474f 331 unsigned char *_buf = new unsigned char[OFFSET+5+2+size+3];
nobukuma 0:003889bc474f 332 unsigned char *buf = _buf+OFFSET;
nobukuma 0:003889bc474f 333 unsigned byteCount = size - cs; //remainder of data to send
nobukuma 0:003889bc474f 334 unsigned parlen = 2 + byteCount + 1 ;// attributelistbytecount+payload+no_continuation
nobukuma 0:003889bc474f 335 if (byteCount > count) {//still too large, need continuation
nobukuma 0:003889bc474f 336 byteCount = count; //limit at maximum
nobukuma 0:003889bc474f 337 cont = cs + count; //start for next iteration
nobukuma 0:003889bc474f 338 parlen = 2 + byteCount + 3; //adjusted for payload and continuation
nobukuma 0:003889bc474f 339 printf("Need continuation, sending bytes [%d, %d> of attributeList\n", cs, cont);
nobukuma 0:003889bc474f 340 } else {
nobukuma 0:003889bc474f 341 // printf("Final or only block, sending bytes [%d, %d> of attributeList\n", cs, cs+byteCount);
nobukuma 0:003889bc474f 342 }
nobukuma 0:003889bc474f 343 buf[0] = 7; //pdu
nobukuma 0:003889bc474f 344 buf[1] = rxid>>8;
nobukuma 0:003889bc474f 345 buf[2] = rxid;
nobukuma 0:003889bc474f 346 buf[3] = parlen>>8;
nobukuma 0:003889bc474f 347 buf[4] = parlen;
nobukuma 0:003889bc474f 348 buf[5] = byteCount>>8;
nobukuma 0:003889bc474f 349 buf[6] = byteCount;
nobukuma 0:003889bc474f 350 int p = al->build(buf+7, size);//limited only by buffersize
nobukuma 0:003889bc474f 351 //printf("'build' added %d bytes to the buffer\n", p);
nobukuma 0:003889bc474f 352 if (cs == 0) { //this is not a continuation
nobukuma 0:003889bc474f 353 buf[byteCount+7] = 0;
nobukuma 0:003889bc474f 354 } else { //this is a continuation
nobukuma 0:003889bc474f 355 memcpy(buf+7, buf+7+cs, byteCount);//move part of interrest to beginning of buffer
nobukuma 0:003889bc474f 356 buf[byteCount+7] = 2;
nobukuma 0:003889bc474f 357 buf[byteCount+8] = cont>>8;
nobukuma 0:003889bc474f 358 buf[byteCount+9] = cont;
nobukuma 0:003889bc474f 359 }
nobukuma 0:003889bc474f 360 //printfBytes("SDP Send: ", buf, parlen+5);
nobukuma 0:003889bc474f 361 int retval = Socket_Send(serverSock, _buf, parlen + 5 + OFFSET);
nobukuma 0:003889bc474f 362 delete[] _buf;
nobukuma 0:003889bc474f 363 return retval;
nobukuma 0:003889bc474f 364 }
nobukuma 0:003889bc474f 365
nobukuma 0:003889bc474f 366 //unsigned SDPHandler::getval(const unsigned char *p, int n) {
nobukuma 0:003889bc474f 367 unsigned getval(const unsigned char *p, int n) {
nobukuma 0:003889bc474f 368 unsigned ret = 0;
nobukuma 0:003889bc474f 369 for (int i = 0; i < n; i++)
nobukuma 0:003889bc474f 370 ret = (ret<<8) + (unsigned)p[i];
nobukuma 0:003889bc474f 371 return ret;
nobukuma 0:003889bc474f 372 }
nobukuma 0:003889bc474f 373
nobukuma 0:003889bc474f 374 //unsigned SDPHandler::length(const unsigned char *el, unsigned &p) {
nobukuma 0:003889bc474f 375 unsigned length(const unsigned char *el, unsigned &p) {
nobukuma 0:003889bc474f 376 unsigned len = 0;
nobukuma 0:003889bc474f 377 switch (el[p++] & 7) {//length
nobukuma 0:003889bc474f 378 case 0:
nobukuma 0:003889bc474f 379 len = 1;
nobukuma 0:003889bc474f 380 break;
nobukuma 0:003889bc474f 381 case 1:
nobukuma 0:003889bc474f 382 len = 2;
nobukuma 0:003889bc474f 383 break;
nobukuma 0:003889bc474f 384 case 2:
nobukuma 0:003889bc474f 385 len = 4;
nobukuma 0:003889bc474f 386 break;
nobukuma 0:003889bc474f 387 case 3:
nobukuma 0:003889bc474f 388 len = 8;
nobukuma 0:003889bc474f 389 break;
nobukuma 0:003889bc474f 390 case 4:
nobukuma 0:003889bc474f 391 len = 16;
nobukuma 0:003889bc474f 392 break;
nobukuma 0:003889bc474f 393 case 7://4bytes
nobukuma 0:003889bc474f 394 len= el[p++]<<24;
nobukuma 0:003889bc474f 395 len += el[p++]<<16;
nobukuma 0:003889bc474f 396 case 6://2bytes
nobukuma 0:003889bc474f 397 len += el[p++]<<8;
nobukuma 0:003889bc474f 398 case 5://1byte
nobukuma 0:003889bc474f 399 len += el[p++];
nobukuma 0:003889bc474f 400 break;
nobukuma 0:003889bc474f 401 }
nobukuma 0:003889bc474f 402 return len;
nobukuma 0:003889bc474f 403 }
nobukuma 0:003889bc474f 404
nobukuma 0:003889bc474f 405 extern "C" void HardFault_Handler() {
nobukuma 0:003889bc474f 406 printf("Hard Fault! %d bytes left\n", AvailableMemory(1));
nobukuma 0:003889bc474f 407 while (1);
nobukuma 0:003889bc474f 408 }
nobukuma 0:003889bc474f 409
nobukuma 0:003889bc474f 410 unsigned SDPHandler::parseLight (const unsigned char *el, unsigned count, sdp_data* &result, serv_rec* &record) {
nobukuma 0:003889bc474f 411 unsigned p = 0;
nobukuma 0:003889bc474f 412 unsigned len = length(el, p);
nobukuma 0:003889bc474f 413 int end = p+len;//end is the index of the item just after the sequence
nobukuma 0:003889bc474f 414 sdp_data *item = 0;
nobukuma 0:003889bc474f 415 switch (el[0]>>3) {//type
nobukuma 0:003889bc474f 416 case sdp_data::NULL_:
nobukuma 0:003889bc474f 417 printf("NULL ");
nobukuma 0:003889bc474f 418 break;
nobukuma 0:003889bc474f 419 case sdp_data::UNSIGNED:
nobukuma 0:003889bc474f 420 printf("UINT%d=%u ", len, (unsigned)getval(el+p, len));
nobukuma 0:003889bc474f 421 break;
nobukuma 0:003889bc474f 422 case sdp_data::SIGNED:
nobukuma 0:003889bc474f 423 printf("INT%d=%d ", len, (unsigned)getval(el+p, len));
nobukuma 0:003889bc474f 424 break;
nobukuma 0:003889bc474f 425 case sdp_data::UUID:
nobukuma 0:003889bc474f 426 if (len==16) {
nobukuma 0:003889bc474f 427 printf("UUID16= ");
nobukuma 0:003889bc474f 428 for (int i = 0; i < 16; i++)
nobukuma 0:003889bc474f 429 printf("%02x ", el[p+i]);
nobukuma 0:003889bc474f 430 } else
nobukuma 0:003889bc474f 431 printf("UUID%d=%u ", len, (unsigned)getval(el+p, len));
nobukuma 0:003889bc474f 432 break;
nobukuma 0:003889bc474f 433 case sdp_data::STRING:
nobukuma 0:003889bc474f 434 printf("STR%d='%s' ", len, (char*)el+p);
nobukuma 0:003889bc474f 435 break;
nobukuma 0:003889bc474f 436 case sdp_data::BOOL:
nobukuma 0:003889bc474f 437 printf("BOOL%d=%d ", len, (unsigned)getval(el+p, len));
nobukuma 0:003889bc474f 438 break;
nobukuma 0:003889bc474f 439 case sdp_data::SEQUENCE:
nobukuma 0:003889bc474f 440 goto skip;
nobukuma 0:003889bc474f 441 case sdp_data::ALTERNATIVE:
nobukuma 0:003889bc474f 442 skip: {//p points just after the length indicator, hence at the first item IN the sequence
nobukuma 0:003889bc474f 443 printf("SEQ%d{%p ", len, item);
nobukuma 0:003889bc474f 444 int n = 0;
nobukuma 0:003889bc474f 445 unsigned short key;
nobukuma 0:003889bc474f 446 serv_rec *dummy = 0;
nobukuma 0:003889bc474f 447 while (p < end) {
nobukuma 0:003889bc474f 448 sdp_data *elem = 0;
nobukuma 0:003889bc474f 449 p += parseLight(el + p, len-p, elem, dummy);//parse each element in the sequence, the second arg is as yet unused
nobukuma 0:003889bc474f 450 if (record) {
nobukuma 0:003889bc474f 451 if (n & 1) { //value
nobukuma 0:003889bc474f 452 record->insert(pair<unsigned short, sdp_data*>(key, elem));
nobukuma 0:003889bc474f 453 } else //key
nobukuma 0:003889bc474f 454 key = n;
nobukuma 0:003889bc474f 455 n++;
nobukuma 0:003889bc474f 456 }
nobukuma 0:003889bc474f 457 }
nobukuma 0:003889bc474f 458 }
nobukuma 0:003889bc474f 459 printf("}\n");
nobukuma 0:003889bc474f 460 break;
nobukuma 0:003889bc474f 461 case 8:
nobukuma 0:003889bc474f 462 printf("URL%d='%s' ", len, (char*)el+p);
nobukuma 0:003889bc474f 463 break;
nobukuma 0:003889bc474f 464 default:
nobukuma 0:003889bc474f 465 printf("Parse: Unknown type %d, len=%d (code=%#02X)\n", el[0]>>3, len, el[0]);
nobukuma 0:003889bc474f 466 }
nobukuma 0:003889bc474f 467 result = item;
nobukuma 0:003889bc474f 468 return end;
nobukuma 0:003889bc474f 469 }
nobukuma 0:003889bc474f 470
nobukuma 0:003889bc474f 471 unsigned SDPHandler::parse (const unsigned char *el, unsigned count, sdp_data* &result, serv_rec* &record) {
nobukuma 0:003889bc474f 472 unsigned p = 0;
nobukuma 0:003889bc474f 473 unsigned len = length(el, p);
nobukuma 0:003889bc474f 474 int end = p+len;//end is the index of the item just after the sequence
nobukuma 0:003889bc474f 475 sdp_data *item = 0;
nobukuma 0:003889bc474f 476 switch (el[0]>>3) {//type
nobukuma 0:003889bc474f 477 case sdp_data::NULL_:
nobukuma 0:003889bc474f 478 item = new sdp_data();
nobukuma 0:003889bc474f 479 break;
nobukuma 0:003889bc474f 480 case sdp_data::UNSIGNED:
nobukuma 0:003889bc474f 481 item = new sdp_data((unsigned)getval(el+p, len), len);
nobukuma 0:003889bc474f 482 break;
nobukuma 0:003889bc474f 483 case sdp_data::SIGNED:
nobukuma 0:003889bc474f 484 item = new sdp_data((int)getval(el+p, len), len);
nobukuma 0:003889bc474f 485 break;
nobukuma 0:003889bc474f 486 case sdp_data::UUID:
nobukuma 0:003889bc474f 487 if (len==16) {
nobukuma 0:003889bc474f 488 char rev[16];
nobukuma 0:003889bc474f 489 for (int i = 0; i < 16; i++)
nobukuma 0:003889bc474f 490 rev[i] = el[p+15-i];
nobukuma 0:003889bc474f 491 item = new sdp_data(sdp_data::UUID, rev, len);
nobukuma 0:003889bc474f 492 } else
nobukuma 0:003889bc474f 493 item = new sdp_data(sdp_data::UUID, getval(el+p, len), len);
nobukuma 0:003889bc474f 494 break;
nobukuma 0:003889bc474f 495 case sdp_data::STRING:
nobukuma 0:003889bc474f 496 item = new sdp_data((char*)el+p, len);
nobukuma 0:003889bc474f 497 break;
nobukuma 0:003889bc474f 498 case sdp_data::BOOL:
nobukuma 0:003889bc474f 499 item = new sdp_data((bool)getval(el+p, len), len);
nobukuma 0:003889bc474f 500 break;
nobukuma 0:003889bc474f 501 case sdp_data::SEQUENCE:
nobukuma 0:003889bc474f 502 item = new sdp_data(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 503 goto skip;
nobukuma 0:003889bc474f 504 case sdp_data::ALTERNATIVE:
nobukuma 0:003889bc474f 505 item = new sdp_data(sdp_data::ALTERNATIVE);
nobukuma 0:003889bc474f 506 skip: {//p points just after the length indicator, hence at the first item IN the sequence
nobukuma 0:003889bc474f 507 //printf("SEQ%d{%p ", len, item);
nobukuma 0:003889bc474f 508 int n = 0;
nobukuma 0:003889bc474f 509 unsigned short key;
nobukuma 0:003889bc474f 510 serv_rec *dummy = 0;//means: there is no service record to fill in for deeper levels
nobukuma 0:003889bc474f 511 while (p < end) {
nobukuma 0:003889bc474f 512 sdp_data *elem = 0; //this becomes the tree with attribute values
nobukuma 0:003889bc474f 513 p += parse(el + p, len-p, elem, dummy);//parse each element in the sequence, the second arg is as yet unused
nobukuma 0:003889bc474f 514 if (record) { //if at the level of attribute list, add elem to record as key/value pair
nobukuma 0:003889bc474f 515 if (n & 1) { //value
nobukuma 0:003889bc474f 516 record->insert(pair<unsigned short, sdp_data*>(key, elem));
nobukuma 0:003889bc474f 517 } else //key
nobukuma 0:003889bc474f 518 key = elem->asUnsigned();
nobukuma 0:003889bc474f 519 n++;
nobukuma 0:003889bc474f 520 } else //just add the elements to the value tree
nobukuma 0:003889bc474f 521 item->add_element(elem);
nobukuma 0:003889bc474f 522 }
nobukuma 0:003889bc474f 523 }
nobukuma 0:003889bc474f 524 //printf("}\n");
nobukuma 0:003889bc474f 525 break;
nobukuma 0:003889bc474f 526 case 8:
nobukuma 0:003889bc474f 527 item = new sdp_data(sdp_data::URL, (char*)el+p, len);
nobukuma 0:003889bc474f 528 break;
nobukuma 0:003889bc474f 529 default:
nobukuma 0:003889bc474f 530 printf("Parse: Unknown type %d, len=%d (code=%#02X)\n", el[0]>>3, len, el[0]);
nobukuma 0:003889bc474f 531 }
nobukuma 0:003889bc474f 532 result = item;
nobukuma 0:003889bc474f 533 return end;
nobukuma 0:003889bc474f 534 }
nobukuma 0:003889bc474f 535
nobukuma 0:003889bc474f 536 void SDPHandler::append(const unsigned char *payload, int len) {
nobukuma 0:003889bc474f 537 unsigned char *tmp = new unsigned char[byteCount + len];//append the payload to the previous continuation buffer
nobukuma 0:003889bc474f 538 if (contBuf && byteCount) {
nobukuma 0:003889bc474f 539 memcpy(tmp, contBuf, byteCount); //copy the existing part
nobukuma 0:003889bc474f 540 delete[] contBuf;//delete the old buffer
nobukuma 0:003889bc474f 541 }
nobukuma 0:003889bc474f 542 memcpy(tmp+byteCount, payload, len); //append the new part
nobukuma 0:003889bc474f 543 contBuf = tmp;
nobukuma 0:003889bc474f 544 byteCount += len;
nobukuma 0:003889bc474f 545 }
nobukuma 0:003889bc474f 546
nobukuma 0:003889bc474f 547 void SDPHandler::freeBuf() {
nobukuma 0:003889bc474f 548 if (contBuf) {
nobukuma 0:003889bc474f 549 delete[] contBuf;
nobukuma 0:003889bc474f 550 contBuf = 0;
nobukuma 0:003889bc474f 551 }
nobukuma 0:003889bc474f 552 byteCount = 0;
nobukuma 0:003889bc474f 553 }
nobukuma 0:003889bc474f 554
nobukuma 0:003889bc474f 555
nobukuma 0:003889bc474f 556 //TODO: test case 7, add server support (cases 2, 4, 6)
nobukuma 0:003889bc474f 557 //3 cases: cont==0 && contBuf==0 -> use rsp; cont!=0 -> append; cont==0 && contBuf!=0 -> append and use contBuf
nobukuma 0:003889bc474f 558 int SDPHandler::parseRsp(const unsigned char*rsp, int len) {
nobukuma 0:003889bc474f 559 //unsigned tid = rsp[2] + ((unsigned)rsp[1]<<8);
nobukuma 0:003889bc474f 560 unsigned parlen = rsp[4] + ((unsigned)rsp[3]<<8);
nobukuma 0:003889bc474f 561 //printf("ParseRsp: tid=%04X, parlen=%d ", tid, parlen);
nobukuma 0:003889bc474f 562 unsigned cont = 0;
nobukuma 0:003889bc474f 563 switch (rsp[0]) {
nobukuma 0:003889bc474f 564 case 1: {//errorRsp
nobukuma 0:003889bc474f 565 unsigned errorcode = rsp[6] + ((unsigned)rsp[5]<<8);
nobukuma 0:003889bc474f 566 if (parlen > 2) {
nobukuma 0:003889bc474f 567 printf("ErrorInfo (%d bytes) for error %d is available\n", parlen-2, errorcode);
nobukuma 0:003889bc474f 568 }
nobukuma 0:003889bc474f 569 if (ErrorResponse)
nobukuma 0:003889bc474f 570 ErrorResponse(errorcode);
nobukuma 0:003889bc474f 571 return errorcode;
nobukuma 0:003889bc474f 572 }
nobukuma 0:003889bc474f 573 //break;
nobukuma 0:003889bc474f 574 case 3: { //servicesearchRsp
nobukuma 0:003889bc474f 575 unsigned total = rsp[6] + ((unsigned)rsp[5]<<8);
nobukuma 0:003889bc474f 576 unsigned current = rsp[8] + ((unsigned)rsp[7]<<8);
nobukuma 0:003889bc474f 577 cont = rsp[9+4*current];
nobukuma 0:003889bc474f 578 memcpy(contState, &rsp[9+4*current], cont+1);//copy the continuation state
nobukuma 0:003889bc474f 579 //printf("total=%d, current=%d, cont=%d\n", total, current, cont);
nobukuma 0:003889bc474f 580 if (cont) {
nobukuma 0:003889bc474f 581 //no special handling here, just append the servicerecordhandles
nobukuma 0:003889bc474f 582 }
nobukuma 0:003889bc474f 583 //linear list of 32bit service-handles
nobukuma 0:003889bc474f 584 for (int i = 0; i < current; i++) {
nobukuma 0:003889bc474f 585 unsigned result = 0;
nobukuma 0:003889bc474f 586 for (int j = 0; j< 4; j++)
nobukuma 0:003889bc474f 587 result = (result<<8) + rsp[9 + 4*i + j];
nobukuma 0:003889bc474f 588 printf("SDP Search handle %08X\n", result);
nobukuma 0:003889bc474f 589 services.insert(pair<unsigned, serv_rec*>(result, 0));
nobukuma 0:003889bc474f 590 }
nobukuma 0:003889bc474f 591 if (ServiceSearchResponse)
nobukuma 0:003889bc474f 592 ServiceSearchResponse();
nobukuma 0:003889bc474f 593 }
nobukuma 0:003889bc474f 594 break;
nobukuma 0:003889bc474f 595 case 5: { //serviceattributeRsp
nobukuma 0:003889bc474f 596 unsigned count = rsp[6] + ((unsigned)rsp[5]<<8);//bytes in this part of the attribute list
nobukuma 0:003889bc474f 597 // append(rsp+7, count);
nobukuma 0:003889bc474f 598 cont = rsp[7+count];
nobukuma 0:003889bc474f 599 memcpy(contState, &rsp[7+count], cont+1);//copy the continuation state
nobukuma 0:003889bc474f 600 if (cont) {
nobukuma 0:003889bc474f 601 append(rsp+7, count);
nobukuma 0:003889bc474f 602 break;
nobukuma 0:003889bc474f 603 }
nobukuma 0:003889bc474f 604 //printf("count=%d parsing...\n", byteCount);
nobukuma 0:003889bc474f 605 serv_rec *serv = new serv_rec;
nobukuma 0:003889bc474f 606 if (contBuf) {
nobukuma 0:003889bc474f 607 append(rsp+7, count);
nobukuma 0:003889bc474f 608 parse(contBuf, byteCount, tree, serv);
nobukuma 0:003889bc474f 609 } else
nobukuma 0:003889bc474f 610 parse(rsp+7, count, tree, serv);
nobukuma 0:003889bc474f 611 //printf("...parsing done, ");
nobukuma 0:003889bc474f 612 //get the AttributeID, make sure attribId 0 is always included in the request
nobukuma 0:003889bc474f 613 unsigned key = (*serv)[0]->asUnsigned();//AttributeID '0' always refers to the serviceID
nobukuma 0:003889bc474f 614 //printf("Key=%#X\n", key); //key will be 0 when not requested
nobukuma 0:003889bc474f 615 services[key] = serv; //Add the attribute list to the services
nobukuma 0:003889bc474f 616 freeBuf();
nobukuma 0:003889bc474f 617 if (ServiceAttributeResponse)
nobukuma 0:003889bc474f 618 ServiceAttributeResponse(serv);
nobukuma 0:003889bc474f 619 }
nobukuma 0:003889bc474f 620 break;
nobukuma 0:003889bc474f 621 //below is UNTESTED
nobukuma 0:003889bc474f 622 case 7: { //servicesearchattributeRsp
nobukuma 0:003889bc474f 623 unsigned count = rsp[6] + ((unsigned)rsp[5]<<8);
nobukuma 0:003889bc474f 624 append(rsp+7, count);
nobukuma 0:003889bc474f 625 cont = rsp[7+count];
nobukuma 0:003889bc474f 626 memcpy(contState, &rsp[7+count], cont+1);
nobukuma 0:003889bc474f 627 if (cont)
nobukuma 0:003889bc474f 628 break;
nobukuma 0:003889bc474f 629 unsigned pos = 0;
nobukuma 0:003889bc474f 630 if (contBuf[pos]>>3 != sdp_data::SEQUENCE) {
nobukuma 0:003889bc474f 631 printf("Expected a sequence of attribute lists\n");
nobukuma 0:003889bc474f 632 break;
nobukuma 0:003889bc474f 633 }
nobukuma 0:003889bc474f 634 unsigned len = length(contBuf, pos);//get the length of the list of lists and advance pos to the first list
nobukuma 0:003889bc474f 635 while (pos<len) {
nobukuma 0:003889bc474f 636 printf("pos=%d, count=%d, parsing...\n", pos, len);
nobukuma 0:003889bc474f 637 serv_rec *serv = new serv_rec;
nobukuma 0:003889bc474f 638 pos = parse(contBuf+pos, len, tree, serv);
nobukuma 0:003889bc474f 639 unsigned key = (*serv)[0]->asUnsigned();
nobukuma 0:003889bc474f 640 services[key] = serv;
nobukuma 0:003889bc474f 641 }
nobukuma 0:003889bc474f 642 freeBuf();
nobukuma 0:003889bc474f 643 printf("...parsing done, pos=%d\n", pos);
nobukuma 0:003889bc474f 644 if (ServiceSearchAttributeResponse)
nobukuma 0:003889bc474f 645 ServiceSearchAttributeResponse();
nobukuma 0:003889bc474f 646 }
nobukuma 0:003889bc474f 647 break;
nobukuma 0:003889bc474f 648 default:
nobukuma 0:003889bc474f 649 printf("Unknown SDP response type %02X\n", rsp[0]);
nobukuma 0:003889bc474f 650 break;
nobukuma 0:003889bc474f 651 }
nobukuma 0:003889bc474f 652 return 0;
nobukuma 0:003889bc474f 653 }
nobukuma 0:003889bc474f 654
nobukuma 0:003889bc474f 655 //************************ SERVER related *******************************************//
nobukuma 0:003889bc474f 656
nobukuma 0:003889bc474f 657 //unsigned SDPHandler::parseUUID(const u8* data, int len, unsigned &p) {
nobukuma 0:003889bc474f 658 unsigned parseUUID(const u8* data, int len, unsigned &p) {
nobukuma 0:003889bc474f 659 unsigned u = 0;
nobukuma 0:003889bc474f 660 if ((data[p]>>3) != sdp_data::UUID) {
nobukuma 0:003889bc474f 661 printf(" UUID expected, got %d ", data[p]>>3);
nobukuma 0:003889bc474f 662 return (unsigned)-1;
nobukuma 0:003889bc474f 663 }
nobukuma 0:003889bc474f 664 switch (data[p++] & 7) {
nobukuma 0:003889bc474f 665 case 1:
nobukuma 0:003889bc474f 666 u = getval(data+p, 2);
nobukuma 0:003889bc474f 667 p +=2;
nobukuma 0:003889bc474f 668 break;
nobukuma 0:003889bc474f 669 case 2:
nobukuma 0:003889bc474f 670 u = getval(data+p, 4);
nobukuma 0:003889bc474f 671 p += 4;
nobukuma 0:003889bc474f 672 break;
nobukuma 0:003889bc474f 673 case 4:
nobukuma 0:003889bc474f 674 u = getval(data+p, 4);
nobukuma 0:003889bc474f 675 p += 16;
nobukuma 0:003889bc474f 676 break;
nobukuma 0:003889bc474f 677 default:
nobukuma 0:003889bc474f 678 printf(" UUID must be 2, 4 or 16 bytes, got type %d\n", data[p-1]);
nobukuma 0:003889bc474f 679 }
nobukuma 0:003889bc474f 680 return u;
nobukuma 0:003889bc474f 681 }
nobukuma 0:003889bc474f 682
nobukuma 0:003889bc474f 683 #define SVC_HANDLE 0x0001001DU //serial service
nobukuma 0:003889bc474f 684 void SDPManager::buildServer() {
nobukuma 0:003889bc474f 685 static sdp_data rfcomm(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 686 static sdp_data l2cap(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 687 static sdp_data protocol(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 688 static sdp_data serviceclass(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 689 static sdp_data browsegroup(sdp_data::SEQUENCE);
nobukuma 0:003889bc474f 690 static sdp_data root(sdp_data::UUID, BROWSEROOT);
nobukuma 0:003889bc474f 691 static sdp_data l2capuuid(sdp_data::UUID, 0x0100);
nobukuma 0:003889bc474f 692 static sdp_data rfcommuuid(sdp_data::UUID, 0x003);
nobukuma 0:003889bc474f 693 static sdp_data serial(sdp_data::UUID, 0x1101);
nobukuma 0:003889bc474f 694 static sdp_data chan(1U,1);
nobukuma 0:003889bc474f 695 static sdp_data handle(SVC_HANDLE,4);
nobukuma 0:003889bc474f 696 static sdp_data serviceID(0U, 2);
nobukuma 0:003889bc474f 697 // static sdp_data name("MBED BlueUSB RFCOMM Serial");
nobukuma 0:003889bc474f 698 static sdp_data name("Serial Port");
nobukuma 0:003889bc474f 699 rfcomm.add_element(&rfcommuuid);
nobukuma 0:003889bc474f 700 rfcomm.add_element(&chan);
nobukuma 0:003889bc474f 701 l2cap.add_element(&l2capuuid);
nobukuma 0:003889bc474f 702 protocol.add_element(&l2cap);
nobukuma 0:003889bc474f 703 protocol.add_element(&rfcomm);
nobukuma 0:003889bc474f 704 serviceclass.add_element(&serial);
nobukuma 0:003889bc474f 705 browsegroup.add_element(&root);
nobukuma 0:003889bc474f 706 static serv_rec attr_list;
nobukuma 0:003889bc474f 707 attr_list[0] = &handle;
nobukuma 0:003889bc474f 708 attr_list[1] = &serviceclass;
nobukuma 0:003889bc474f 709 attr_list[4] = &protocol;
nobukuma 0:003889bc474f 710 attr_list[5] = &browsegroup;
nobukuma 0:003889bc474f 711 attr_list[0x100] = &name;
nobukuma 0:003889bc474f 712 server[SVC_HANDLE] = &attr_list;//server is static and this statement crashes the program when invoked from the constructor which is also invoked statically
nobukuma 0:003889bc474f 713 }
nobukuma 0:003889bc474f 714
nobukuma 0:003889bc474f 715 int SDPManager::findUUID(unsigned h, unsigned uuid) {
nobukuma 0:003889bc474f 716 serv_rec *rec = server[h];
nobukuma 0:003889bc474f 717 for ( serv_rec::iterator it = rec->begin(); it != rec->end(); it++) {
nobukuma 0:003889bc474f 718 if (it->second->findUUID(uuid))
nobukuma 0:003889bc474f 719 return it->first;
nobukuma 0:003889bc474f 720 }
nobukuma 0:003889bc474f 721 printf("rejected %08X because of %04Xx\n", h, uuid);
nobukuma 0:003889bc474f 722 return -1;
nobukuma 0:003889bc474f 723 }
nobukuma 0:003889bc474f 724
nobukuma 0:003889bc474f 725 void SDPManager::match(bool elig[], unsigned uuid) {
nobukuma 0:003889bc474f 726 map<unsigned, serv_rec*>::iterator idx;
nobukuma 0:003889bc474f 727 int i = 0;
nobukuma 0:003889bc474f 728 for (idx = server.begin(); idx != server.end(); idx++, i++)
nobukuma 0:003889bc474f 729 if (findUUID(idx->first, uuid) < 0)
nobukuma 0:003889bc474f 730 elig[i] = false;
nobukuma 0:003889bc474f 731 }
nobukuma 0:003889bc474f 732
nobukuma 0:003889bc474f 733 bool SDPManager::isInList(unsigned short id, const unsigned char* list, int end) {
nobukuma 0:003889bc474f 734 int len;
nobukuma 0:003889bc474f 735 for (unsigned pos = 0; pos < end; pos += len) {
nobukuma 0:003889bc474f 736 len = length(list, pos);
nobukuma 0:003889bc474f 737 switch (len) {
nobukuma 0:003889bc474f 738 case 2: //single value
nobukuma 0:003889bc474f 739 if (getval(list+pos, 2) == id)
nobukuma 0:003889bc474f 740 return true;
nobukuma 0:003889bc474f 741 break;
nobukuma 0:003889bc474f 742 case 4: //range
nobukuma 0:003889bc474f 743 if (getval(list+pos, 2) > id) break;
nobukuma 0:003889bc474f 744 if (getval(list+pos+2, 2) < id) break;
nobukuma 0:003889bc474f 745 return true;
nobukuma 0:003889bc474f 746 default:
nobukuma 0:003889bc474f 747 printf("Unexpected length %d\n", len);
nobukuma 0:003889bc474f 748 }
nobukuma 0:003889bc474f 749 }
nobukuma 0:003889bc474f 750 return false;
nobukuma 0:003889bc474f 751 }
nobukuma 0:003889bc474f 752
nobukuma 0:003889bc474f 753 void SDPManager::addToReply(sdp_data *svc, serv_rec *list, const unsigned char* att, int end) {
nobukuma 0:003889bc474f 754 unsigned short len, low, high;
nobukuma 0:003889bc474f 755 serv_rec::iterator from, to, idx;
nobukuma 0:003889bc474f 756 if (list==0) {
nobukuma 0:003889bc474f 757 printf("Invalid attribute list (NULL)\n");
nobukuma 0:003889bc474f 758 return;
nobukuma 0:003889bc474f 759 }
nobukuma 0:003889bc474f 760 for (unsigned pos = 0; pos < end; pos += len) {
nobukuma 0:003889bc474f 761 len = length(att, pos);
nobukuma 0:003889bc474f 762 switch (len) {
nobukuma 0:003889bc474f 763 case 2: //single value
nobukuma 0:003889bc474f 764 low = getval(att+pos, 2);
nobukuma 0:003889bc474f 765 svc->add_element(new sdp_data(low, 2));
nobukuma 0:003889bc474f 766 svc->add_element((*list)[low]);
nobukuma 0:003889bc474f 767 printf("Found attrib %d\n", low);
nobukuma 0:003889bc474f 768 break;
nobukuma 0:003889bc474f 769 case 4: //range
nobukuma 0:003889bc474f 770 low = getval(att+pos, 2);
nobukuma 0:003889bc474f 771 high = getval(att+pos+2, 2);
nobukuma 0:003889bc474f 772 from = list->lower_bound(low);
nobukuma 0:003889bc474f 773 to = list->upper_bound(high);
nobukuma 0:003889bc474f 774 for (idx = from; idx != to; idx++) {
nobukuma 0:003889bc474f 775 svc->add_element(new sdp_data(idx->first, 2));
nobukuma 0:003889bc474f 776 svc->add_element(idx->second);
nobukuma 0:003889bc474f 777 printf("Found attrib %d\n", idx->first);
nobukuma 0:003889bc474f 778 }
nobukuma 0:003889bc474f 779 break;
nobukuma 0:003889bc474f 780 default:
nobukuma 0:003889bc474f 781 printf("Unexpected length %d\n", len);
nobukuma 0:003889bc474f 782 }
nobukuma 0:003889bc474f 783 }
nobukuma 0:003889bc474f 784 }
nobukuma 0:003889bc474f 785
nobukuma 0:003889bc474f 786 //for continuations, just generate the entire list, truncate to desired length and append position of the remainder as continuation
nobukuma 0:003889bc474f 787 //on the next iteration, generate the list again, use continuation to find remainder and reiterate
nobukuma 0:003889bc474f 788 void SDPManager::SDPServer(int socket, SocketState state, const u8* data, int len, void* userData) {
nobukuma 0:003889bc474f 789 unsigned tid = data[2] + ((unsigned)data[1]<<8);
nobukuma 0:003889bc474f 790 unsigned parlen = data[4] + ((unsigned)data[3]<<8);
nobukuma 0:003889bc474f 791 //printf("ParseReq: PDU_ID=%d, tid=%04X, parlen=%d ", data[0], tid, parlen);
nobukuma 0:003889bc474f 792 unsigned pos = 5;
nobukuma 0:003889bc474f 793 switch (data[0]) {
nobukuma 0:003889bc474f 794 case 1: {//errorRsp
nobukuma 0:003889bc474f 795 unsigned errorcode = data[6] + ((unsigned)data[5]<<8);
nobukuma 0:003889bc474f 796 if (parlen > 2) {
nobukuma 0:003889bc474f 797 printf("ErrorInfo (%d bytes) for error %d is available\n", parlen-2, errorcode);
nobukuma 0:003889bc474f 798 }
nobukuma 0:003889bc474f 799 errorhandler(errorcode);
nobukuma 0:003889bc474f 800 }
nobukuma 0:003889bc474f 801 break;
nobukuma 0:003889bc474f 802 case 2: { //servicesearchReq
nobukuma 0:003889bc474f 803 printf("servicesearchReq almost implemented\n");
nobukuma 0:003889bc474f 804 unsigned pat[12];//the received search pattern
nobukuma 0:003889bc474f 805 int pn;//number of uuids in the pattern
nobukuma 0:003889bc474f 806 if (data[pos]>>3 != sdp_data::SEQUENCE) {//the uuids are wrapped in a sequence
nobukuma 0:003889bc474f 807 printf("Expected a sequence of UUIDs\n");
nobukuma 0:003889bc474f 808 break;
nobukuma 0:003889bc474f 809 }
nobukuma 0:003889bc474f 810 unsigned end = pos + length(data, pos);//get the length of the list of lists and advance pos to the first list
nobukuma 0:003889bc474f 811 bool *eligible = new bool[server.size()];//marks for the services identified by the search pattern
nobukuma 0:003889bc474f 812 for (int i = 0; i < server.size(); i++) eligible[i] = true;
nobukuma 0:003889bc474f 813 for (pn = 0; pn < 12 && pos < end; pn++) {
nobukuma 0:003889bc474f 814 pat[pn] = parseUUID(data,end, pos);//store uuid from the sequence in the pattern
nobukuma 0:003889bc474f 815 match(eligible, pat[pn]);//unmark a service when it does not contain the uuid
nobukuma 0:003889bc474f 816 //printf("pos=%d, count=%d, uuid=%#X\n", pos, len, pat[pn]);
nobukuma 0:003889bc474f 817 }
nobukuma 0:003889bc474f 818
nobukuma 0:003889bc474f 819 unsigned count = getval(data+pos, 2); //maximum length of attribute list to return
nobukuma 0:003889bc474f 820 pos += 2;
nobukuma 0:003889bc474f 821 unsigned tail = data[pos];
nobukuma 0:003889bc474f 822 if (tail) {
nobukuma 0:003889bc474f 823 tail = getval(data+pos+1, tail);
nobukuma 0:003889bc474f 824 printf("requested continuation tailpos=%u\n", tail);
nobukuma 0:003889bc474f 825 } else {
nobukuma 0:003889bc474f 826 //printf("No continuation requested\n");
nobukuma 0:003889bc474f 827 }
nobukuma 0:003889bc474f 828 unsigned *handles = new unsigned[server.size()];
nobukuma 0:003889bc474f 829 int total = 0, current = 0;
nobukuma 0:003889bc474f 830 map<unsigned, serv_rec*>::iterator idx;
nobukuma 0:003889bc474f 831 int i = 0;
nobukuma 0:003889bc474f 832 for (idx = server.begin(); idx != server.end() && total < count; idx++, i++)
nobukuma 0:003889bc474f 833 if (eligible[i])
nobukuma 0:003889bc474f 834 handles[total++] = idx->first;
nobukuma 0:003889bc474f 835 ServiceSearchReply(tid, handles, total, tail);
nobukuma 0:003889bc474f 836 delete[] handles;
nobukuma 0:003889bc474f 837 delete[] eligible;
nobukuma 0:003889bc474f 838 }
nobukuma 0:003889bc474f 839 break;
nobukuma 0:003889bc474f 840 case 4: { //serviceattributeReq
nobukuma 0:003889bc474f 841 printf("serviceattributeReq almost implemented\n");
nobukuma 0:003889bc474f 842 sdp_data reply(sdp_data::SEQUENCE);//the attributelist of the reply
nobukuma 0:003889bc474f 843 unsigned svcid = getval(data+pos, 4);
nobukuma 0:003889bc474f 844 pos += 4;
nobukuma 0:003889bc474f 845 unsigned count = getval(data+pos, 2); //maximum length of attribute list to return
nobukuma 0:003889bc474f 846 pos += 2;
nobukuma 0:003889bc474f 847 int len = length(data, pos); //get the length of the attributeID list
nobukuma 0:003889bc474f 848 int cont = pos + len;
nobukuma 0:003889bc474f 849 printf("svcid=%08X, count=%u, len=%u, pos=%u\n", svcid, count, len, pos);
nobukuma 0:003889bc474f 850 addToReply(&reply, server[svcid], data+pos, len);
nobukuma 0:003889bc474f 851 unsigned tail = data[cont];
nobukuma 0:003889bc474f 852 printf("tail=%u, reply size=%d\n", tail, reply.Size());
nobukuma 0:003889bc474f 853 if (tail) {
nobukuma 0:003889bc474f 854 tail = getval(data+cont+1, tail);
nobukuma 0:003889bc474f 855 printf("requested continuation tailpos=%u, size=%u\n", tail, reply.Size());
nobukuma 0:003889bc474f 856 } else {
nobukuma 0:003889bc474f 857 //printf("No continuation requested\n");
nobukuma 0:003889bc474f 858 }
nobukuma 0:003889bc474f 859
nobukuma 0:003889bc474f 860 ServiceAttributeReply(tid, &reply, count, tail);
nobukuma 0:003889bc474f 861 for (int k = 0; k < reply.items(); k++) {
nobukuma 0:003889bc474f 862 if ((k & 1) == 0) //even hence ID
nobukuma 0:003889bc474f 863 delete reply.item(k); //destroy the ID
nobukuma 0:003889bc474f 864 reply.remove(k); //set all items to nil to prevent destruction of the DB
nobukuma 0:003889bc474f 865 }
nobukuma 0:003889bc474f 866 }
nobukuma 0:003889bc474f 867 break;
nobukuma 0:003889bc474f 868 case 6: { //servicesearchattributeReq
nobukuma 0:003889bc474f 869 sdp_data reply(sdp_data::SEQUENCE);//the attributelist of the reply
nobukuma 0:003889bc474f 870
nobukuma 0:003889bc474f 871 unsigned pat[12];//the received search pattern
nobukuma 0:003889bc474f 872 int pn;//number of uuids in the pattern
nobukuma 0:003889bc474f 873 if (data[pos]>>3 != sdp_data::SEQUENCE) {//the uuids are wrapped in a sequence
nobukuma 0:003889bc474f 874 printf("Expected a sequence of UUIDs\n");
nobukuma 0:003889bc474f 875 break;
nobukuma 0:003889bc474f 876 }
nobukuma 0:003889bc474f 877 unsigned end = pos + length(data, pos);//get the length of the list of lists and advance pos to the first list
nobukuma 0:003889bc474f 878 bool *eligible = new bool[server.size()];//marks for the services identified by the search pattern
nobukuma 0:003889bc474f 879 for (int i = 0; i < server.size(); i++) eligible[i] = true;
nobukuma 0:003889bc474f 880 for (pn = 0; pn < 12 && pos < end; pn++) {
nobukuma 0:003889bc474f 881 pat[pn] = parseUUID(data,end, pos);//store uuid from the sequence in the pattern
nobukuma 0:003889bc474f 882 match(eligible, pat[pn]);//unmark a service when it does not contain the uuid
nobukuma 0:003889bc474f 883 //printf("pos=%d, count=%d, uuid=%#X\n", pos, len, pat[pn]);
nobukuma 0:003889bc474f 884 }
nobukuma 0:003889bc474f 885
nobukuma 0:003889bc474f 886 unsigned count = getval(data+pos, 2); //maximum length of attribute list to return
nobukuma 0:003889bc474f 887 pos += 2;
nobukuma 0:003889bc474f 888
nobukuma 0:003889bc474f 889 int len = length(data, pos); //get the length of the attributeID list
nobukuma 0:003889bc474f 890 int cont = pos + len;
nobukuma 0:003889bc474f 891 //printf("Count = %d pos=%d, data[pos]=%02x, len=%d, cont=%d\n", count, pos, data[pos], len, cont);
nobukuma 0:003889bc474f 892 int i = 0;
nobukuma 0:003889bc474f 893 for (map<unsigned, serv_rec*>::iterator idx = server.begin(); idx != server.end(); idx++, i++) {//foreach service
nobukuma 0:003889bc474f 894 //printf("testing service handle %08X\n", idx->first);
nobukuma 0:003889bc474f 895 if (!eligible[i]) continue; //skip services that don't match the pattern
nobukuma 0:003889bc474f 896 sdp_data *svc = new sdp_data(sdp_data::SEQUENCE); //create a sequence for the attributes of the present service
nobukuma 0:003889bc474f 897 #if 0
nobukuma 0:003889bc474f 898 for (serv_rec::iterator attr = idx->second->begin(); attr != idx->second->end(); attr++) {//foreach attrib in the service
nobukuma 0:003889bc474f 899 //printf("testing attribID %u\n", attr->first);
nobukuma 0:003889bc474f 900 if (isInList(attr->first, data+pos, len)) {//check if it is requested
nobukuma 0:003889bc474f 901 printf("Found attribID %d\n", attr->first);
nobukuma 0:003889bc474f 902 sdp_data *p = attr->second; //the attribute
nobukuma 0:003889bc474f 903 svc->add_element(new sdp_data(attr->first, 2)); //add the attribute ID as an unsigned short
nobukuma 0:003889bc474f 904 svc->add_element(p); //add the attribute
nobukuma 0:003889bc474f 905 //printf("appending %d bytes\n", p->Size());
nobukuma 0:003889bc474f 906 }
nobukuma 0:003889bc474f 907 }
nobukuma 0:003889bc474f 908 #else
nobukuma 0:003889bc474f 909 //alternatively use map::lower/upper_bound and equal_range, needs only one pass over the range list for each service
nobukuma 0:003889bc474f 910 addToReply(svc, idx->second, data+pos, len);
nobukuma 0:003889bc474f 911 #endif
nobukuma 0:003889bc474f 912 reply.add_element(svc); //append the new attribute list to the reply list
nobukuma 0:003889bc474f 913 }
nobukuma 0:003889bc474f 914
nobukuma 0:003889bc474f 915 unsigned tail = data[cont];
nobukuma 0:003889bc474f 916 if (tail) {
nobukuma 0:003889bc474f 917 tail = getval(data+cont+1, tail);
nobukuma 0:003889bc474f 918 printf("requested continuation tailpos=%u, size=%u\n", tail, reply.Size());
nobukuma 0:003889bc474f 919 } else {
nobukuma 0:003889bc474f 920 //printf("No continuation requested\n");
nobukuma 0:003889bc474f 921 }
nobukuma 0:003889bc474f 922 ServiceSearchAttributeReply(tid, &reply, count, tail);
nobukuma 0:003889bc474f 923
nobukuma 0:003889bc474f 924 for (int j = 0; j < reply.items(); j++) {
nobukuma 0:003889bc474f 925 sdp_data *al = reply.item(j);
nobukuma 0:003889bc474f 926 for (int k = 0; k < al->items(); k++) {
nobukuma 0:003889bc474f 927 if ((k & 1) == 0) //even hence ID
nobukuma 0:003889bc474f 928 delete al->item(k); //destroy the ID
nobukuma 0:003889bc474f 929 al->remove(k); //set all items to nil to prevent destruction of the DB
nobukuma 0:003889bc474f 930 }
nobukuma 0:003889bc474f 931 delete al; //destroy the list;
nobukuma 0:003889bc474f 932 reply.remove(j);
nobukuma 0:003889bc474f 933 }
nobukuma 0:003889bc474f 934 delete[] eligible;
nobukuma 0:003889bc474f 935 }
nobukuma 0:003889bc474f 936 break;
nobukuma 0:003889bc474f 937 default:
nobukuma 0:003889bc474f 938 printf("Unknown SDP request type %02X\n", data[0]);
nobukuma 0:003889bc474f 939 break;
nobukuma 0:003889bc474f 940 }
nobukuma 0:003889bc474f 941 }