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authorTrygve Laugstøl <trygvis@inamo.no>2015-02-10 21:29:19 +0100
committerTrygve Laugstøl <trygvis@inamo.no>2015-02-10 21:29:19 +0100
commitb55df0b8e46f46fea4d69f98a729cd237d77a6ed (patch)
tree25e12c22d844bb449dd08d7661d20d42ca8ab0f5 /Bluetooth.cpp
parent1c97f6df59c825b26ecb18975fd9f62e14fc46ce (diff)
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Diffstat (limited to 'Bluetooth.cpp')
-rw-r--r--Bluetooth.cpp91
1 files changed, 72 insertions, 19 deletions
diff --git a/Bluetooth.cpp b/Bluetooth.cpp
index 43faf0a..737f04f 100644
--- a/Bluetooth.cpp
+++ b/Bluetooth.cpp
@@ -1,6 +1,7 @@
#include <sstream>
#include <iomanip>
#include <string.h>
+#include <hwloc.h>
#include "Bluetooth.h"
namespace trygvis {
@@ -24,9 +25,17 @@ namespace trygvis {
return buf.str();
}
-
bool Mac::operator==(Mac &other) const {
- return memcmp(bytes, other.bytes, sizeof(bytes)) == 0;
+ const uint8_t* b = bytes;
+ return memcmp(b, other.bytes, sizeof(bytes)) == 0;
+ }
+
+ bool Mac::operator!=(Mac &other) const {
+ return !operator==(other);
+ }
+
+ bool operator<(const Mac &a, const Mac &b) {
+ return memcmp(a.bytes, b.bytes, sizeof(a.bytes)) < 0;
}
void Mac::copy(uint8_t &_0, uint8_t &_1, uint8_t &_2, uint8_t &_3, uint8_t &_4, uint8_t &_5) const {
@@ -38,12 +47,16 @@ namespace trygvis {
_5 = bytes[5];
}
- Mac *Mac::parseMac(string s) {
- uint8_t bytes[6];
- sscanf("%02x:%02x:%02x:%02x:%02x:%02x", s.c_str(),
+ Mac *Mac::parseMac(string s) throw(BluetoothException) {
+ unsigned int bytes[6];
+ int count = sscanf(s.c_str(), "%02x:%02x:%02x:%02x:%02x:%02x",
&bytes[0], &bytes[1], &bytes[2], &bytes[3], &bytes[4], &bytes[5]);
- return new Mac(bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5]);
+ if (count != 6) {
+ throw BluetoothException("Unable to parse mac: " + s);
+ }
+
+ return new Mac((uint8_t) bytes[0], (uint8_t) bytes[1], (uint8_t) bytes[2], (uint8_t) bytes[3], (uint8_t) bytes[4], (uint8_t) bytes[5]);
}
AttPdu::AttPdu(ByteBuffer &bytes) : bytes(bytes) {
@@ -57,26 +70,66 @@ namespace trygvis {
return (AttPduType) bytes.get8(0);
}
- AttPdu AttPdu::parse(ByteBuffer & bytes) {
- if(size == 0) {
+ void AttPdu::makeReadByGroupType(ByteBuffer &bytes, uint16_t startHandle, uint16_t endHandle, uint16_t uuid) {
+ bytes.setCursor(0);
+ bytes.add8(AttPduType::READ_BY_GROUP_TYPE_REQ);
+ bytes.add16le(startHandle);
+ bytes.add16le(endHandle);
+ bytes.add16le(uuid);
+ }
+
+ void AttPdu::checkType(ByteBuffer &bytes, AttPduType type) {
+ if (bytes.getSize() == 0) {
throw BluetoothException("PDU is too small");
}
- AttPdu pdu = AttPdu(bytes, size);
+ bytes.setCursor(0);
+ AttPduType t = (AttPduType) bytes.get8();
- AttPduType type = pdu.getType();
+ if (t != type) {
+ throw BluetoothException("Unexpected type: " + t);
+ }
+ }
- switch (type) {
- case READ_BY_GROUP_TYPE_RES:
- if (size < 4) {
- throw BluetoothException("Bad READ_BY_GROUP_TYPE_RES packet, expected at least 4 octets, got " + size);
- }
- return pdu;
- default:
- throw BluetoothException("Uknown PDU type: " + type);
+ vector<AttributeData*>* AttPdu::parseReadByGroupType(ByteBuffer &bytes) {
+ checkType(bytes, READ_BY_GROUP_TYPE_RES);
+
+ if (bytes.getSize() < 4) {
+ throw BluetoothException("Bad READ_BY_GROUP_TYPE_RES packet, expected at least 4 octets, got " + bytes.getSize());
}
- return pdu;
+ uint8_t length = bytes.get8();
+ DF << "length=" << (int) length;
+
+ size_t count = (bytes.getSize() - 2) / length;
+ DF << "count=" << count;
+
+ vector<AttributeData*> *values = new vector<AttributeData*>;
+ for (int i = 0; i < count; i++) {
+ values->push_back(AttributeData::fromByteBuffer(bytes, length));
+ }
+
+ return values;
+ }
+
+ // -----------------------------------------------------------------------
+ // AttributeData
+ // -----------------------------------------------------------------------
+
+ AttributeData* AttributeData::fromByteBuffer(ByteBuffer &bytes, uint8_t length) {
+ uint16_t handle = bytes.get16le();
+
+ uint8_t* value = new uint8_t[length];
+ bytes.copy(value, length);
+ return new AttributeData(handle, value);
+ }
+
+ AttributeData::AttributeData(uint16_t handle, uint8_t *bytes) : handle(handle), bytes(bytes) {
+
+ }
+
+ AttributeData::~AttributeData() {
+ delete bytes;
}
// -----------------------------------------------------------------------