bool SocketAddress::setIntern(Exception& ex,const string& hostAndPort,bool resolveHost) {
ASSERT_RETURN(!hostAndPort.empty(),false);
string host, port;
auto it = hostAndPort.begin();
auto& end = hostAndPort.end();
if (*it == '[') {
++it;
while (it != end && *it != ']')
host += *it++;
if (it == end) {
ex.set(Exception::NETADDRESS,"Malformed IPv6 address ", hostAndPort);
return false;
}
++it;
} else {
while (it != end && *it != ':')
host += *it++;
}
if (it != end && *it == ':') {
++it;
while (it != end)
port += *it++;
}
else {
ex.set(Exception::NETADDRESS, "Missing port number in ", hostAndPort);
return false;
}
return setIntern(ex,host, resolveService(ex,port),resolveHost);
}
bool SocketAddress::setIntern(Exception& ex,const string& host, UInt16 port,bool resolveHost) {
IPAddress ip;
Exception ignore;
if (ip.set(ignore, host)) {
set(ip, port);
return true;
}
HostEntry entry;
if (!resolveHost) {
if (ignore)
ex.set(ignore);
return false;
}
if (!DNS::HostByName(ex, host, entry))
return false;
auto& addresses = entry.addresses();
if (addresses.size() > 0) {
// if we get both IPv4 and IPv6 addresses, prefer IPv4
for (const IPAddress& address : addresses) {
if (address.family() == IPAddress::IPv4) {
set(address, port);
return true;
}
}
set(addresses.front(), port);
return true;
}
ex.set(Exception::NETADDRESS, "No address found for the host ", host);
return false;
}
bool FileSystem::Remove(Exception& ex,const char* path,bool all) {
bool isFolder(IsFolder(path));
if (all && isFolder) {
FileSystem::ForEach forEach([&ex](const string& filePath){
Remove(ex, filePath, true);
});
Exception ignore;
Paths(ignore, path, forEach); // if exception it's a not existent folder
}
if (!Exists(path))
return !ex;; // already removed!
#if defined(_WIN32)
if (isFolder) {
wchar_t wFile[_MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, path, -1, wFile, _MAX_PATH);
if (RemoveDirectoryW(wFile)==0)
ex.set(Exception::FILE, "Impossible to remove folder ", path);
} else {
wchar_t wFile[_MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, path, -1, wFile, _MAX_PATH);
if(_wremove(wFile) != 0)
ex.set(Exception::FILE, "Impossible to remove file ", path);
}
return !ex;
#endif
if (remove(path) == 0)
return !ex;
if (isFolder)
ex.set(Exception::FILE, "Impossible to remove folder ", path);
else
ex.set(Exception::FILE, "Impossible to remove file ", path);
return false;
}
UInt32 FileSystem::Paths(Exception& ex, const char* path, const ForEach& forEach) {
int err = 0;
string directory(path);
FileSystem::MakeDirectory(directory);
UInt32 count(0);
string pathFile;
#if defined(_WIN32)
directory.append("*");
wchar_t wDirectory[_MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, directory.c_str(), -1, wDirectory, _MAX_PATH);
WIN32_FIND_DATAW fileData;
HANDLE fileHandle = FindFirstFileW(wDirectory, &fileData);
if (fileHandle == INVALID_HANDLE_VALUE) {
if ((err = GetLastError()) != ERROR_NO_MORE_FILES) {
ex.set(Exception::FILE, "The system cannot find the directory ", path);
return count;
}
return count;
}
do {
if (wcscmp(fileData.cFileName, L".") != 0 && wcscmp(fileData.cFileName, L"..") != 0) {
++count;
String::Append(MakeDirectory(pathFile.assign(path)), fileData.cFileName);
if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
pathFile.append("/");
forEach(pathFile);
}
} while (FindNextFileW(fileHandle, &fileData) != 0);
FindClose(fileHandle);
#else
DIR* pDirectory = opendir(directory.c_str());
if (!pDirectory) {
ex.set(Exception::FILE, "The system cannot find the directory ",directory);
return count;
}
struct dirent* pEntry(NULL);
while((pEntry = readdir(pDirectory))) {
if (strcmp(pEntry->d_name, ".")!=0 && strcmp(pEntry->d_name, "..")!=0) {
++count;
String::Append(pathFile.assign(directory), pEntry->d_name);
// Cross-platform solution when DT_UNKNOWN or symbolic link
if(pEntry->d_type==DT_DIR)
pathFile.append("/");
else if(pEntry->d_type==DT_UNKNOWN || pEntry->d_type==DT_LNK) {
Status status;
Stat(pathFile, status);
if ((status.st_mode&S_IFMT) == S_IFDIR)
pathFile.append("/");
}
forEach(pathFile);
}
}
closedir(pDirectory);
#endif
return count;
}
bool LUAXML::LUAToXML(Exception& ex, lua_State* pState, int index, const PoolBuffers& poolBuffers) {
// index - LUA XML table
if (!lua_istable(pState, index)) {
ex.set(Exception::APPLICATION, "Just LUA table can be convert to XML");
return false;
}
PacketWriter writer(poolBuffers);
const char* name(NULL);
bool result(false);
lua_pushnil(pState); // first key
while (lua_next(pState, index) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_type(pState, -2) == LUA_TSTRING) {
name = lua_tostring(pState, -2);
if (lua_istable(pState, -1)) {
// information fields { xml = {version = 1.0}, ... }
writer.write("<?").write(name).write(" ");
lua_pushnil(pState); // first key
while (lua_next(pState, -2) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_type(pState, -2) == LUA_TSTRING && lua_isstring(pState, -1))
writer.write(lua_tostring(pState, -2)).write("=\"").write(lua_tostring(pState, -1)).write("\" ");
else
ex.set(Exception::APPLICATION, "Bad ", name, " XML attribute information, key must be string and value convertible to string");
lua_pop(pState, 1);
}
writer.write("?>");
} else
ex.set(Exception::APPLICATION, "Bad ",name," XML information, value must be a table");
} else if (lua_isnumber(pState, -2)) {
if(lua_istable(pState, -1))
result = LUAToXMLElement(ex, pState, writer);
else
ex.set(Exception::APPLICATION, "Impossible to write inner XML data on the top of XML level");
} else
ex.set(Exception::APPLICATION, "Impossible to convert the key of type ",lua_typename(pState,lua_type(pState,-2)),"to a correct XML root element");
lua_pop(pState, 1);
}
if (result)
lua_pushlstring(pState,STR writer.data(), writer.size());
return result;
}
bool SocketSender::run(Exception& ex) {
if (!_pSocket) {
ex.set(Exception::SOCKET, "SocketSender ", name, " started in parallel without pointer of socket");
return false;
}
// send
Exception exc;
shared_ptr<SocketSender> pThis(_pThis);
_pSocket->send(exc, pThis);
if (exc.code() != Exception::ASSERT)
ex.set(exc);
return true;
}
UInt32 FileSystem::GetSize(Exception& ex,const char* path) {
Status status;
status.st_size = 0;
string file(path);
size_t oldSize(file.size());
if (Stat(MakeFile(file).c_str(), status) != 0 || status.st_mode&S_IFDIR) {
ex.set(Exception::FILE, "File ", path, " doesn't exist");
return 0;
}
if (oldSize>file.size()) { // if was a folder
ex.set(Exception::FILE, "GetSize works just on file, and ", path, " is a folder");
return 0;
}
return (UInt32)status.st_size;
}
WinRegistryKey::Type WinRegistryKey::type(Exception& ex,const string& name) {
if (!open(ex))
return REGT_NONE;
DWORD type = REG_NONE;
DWORD size;
if (RegQueryValueExA(_hKey, name.c_str(), NULL, &type, NULL, &size) != ERROR_SUCCESS) {
ex.set(Exception::REGISTRY, "Key ", key(name), " not found");
return REGT_NONE;
}
if (type != REG_SZ && type != REG_EXPAND_SZ && type != REG_DWORD) {
ex.set(Exception::REGISTRY, key(name), ", type not supported");
return REGT_NONE;
}
return (Type)type;
}
bool RTMFPCookieComputing::run(Exception& ex) {
// First execution is for the DH computing if pDH == null, else it's to compute Diffie-Hellman keys
if (!_diffieHellman.initialized())
return _diffieHellman.initialize(ex);
// Compute Diffie-Hellman secret
_diffieHellman.computeSecret(ex,initiatorKey.data(),initiatorKey.size(),_sharedSecret);
if (ex)
return false;
if (packet.size() > 0) {
ex.set(Exception::CRYPTO, "RTMFPCookieComputing already executed");
return false;
}
// string hex;
// DEBUG("Shared Secret : ", Util::FormatHex(_sharedSecret.data(), _sharedSecret.size(), hex));
// It's our key public part
int size = _diffieHellman.publicKeySize(ex);
if (size<0) {
if (!ex)
ex.set(Exception::CRYPTO, "DH public key not initialized");
return false;
}
packet.write7BitLongValue(size+11);
UInt32 noncePos = packet.size();
packet.writeRaw(EXPAND_DATA_SIZE("\x03\x1A\x00\x00\x02\x1E\x00"));
UInt8 byte2 = DH_KEY_SIZE-size;
if(byte2>2) {
CRITIC("Generation DH key with less of 126 bytes!");
byte2=2;
}
packet.write8(0x81);
packet.write8(2-byte2);
packet.write8(0x0D);
packet.write8(0x02);
if (size>2000)
ERROR("RTMFP diffie hellman public key with an error size key of ",size) // TODO remove this log one time fixed!
_diffieHellman.readPublicKey(ex,packet.buffer(size));
packet.write8(0x58);
// Compute Keys
RTMFP::ComputeAsymetricKeys(_sharedSecret,initiatorNonce.data(),initiatorNonce.size(),packet.data()+noncePos,size+11,decryptKey,encryptKey);
waitHandle();
return true;
}
bool HTTPSender::run(Exception& ex) {
if (!_pRequest && (!_pWriter || _sizePos>0)) { // accept just HTTPSender::writeRaw call, for media streaming
ex.set(Exception::PROTOCOL, "No HTTP request to send the reply");
return false;
}
if (!_pWriter) {
//// GET FILE
Time time;
// Not Modified => don't send the file
if (_file.lastModified()>0 && _pRequest->ifModifiedSince >= _file.lastModified()) {
write("304 Not Modified", HTTP::CONTENT_ABSENT);
} else {
if (_file.lastModified()==0) {
// file doesn't exist, test directory
string dir(_file.fullPath());
if (FileSystem::Exists(FileSystem::MakeDirectory(dir))) {
// Redirect to the real path of directory
DataWriter& response = write("301 Moved Permanently"); // TODO check that it happens sometimes or never!
BinaryWriter& writer = response.packet;
String::Format(_buffer, "http://", _pRequest->serverAddress, _file.path(), '/');
HTTP_BEGIN_HEADER(writer)
HTTP_ADD_HEADER(writer, "Location", _buffer)
HTTP_END_HEADER(writer)
HTML_BEGIN_COMMON_RESPONSE(writer, "Moved Permanently")
writer.writeRaw("The document has moved <a href=\"", _buffer, "\">here</a>.");
HTML_END_COMMON_RESPONSE(writer, _buffer)
} else
writeError(404, String::Format(_buffer,"File ", _file.path(), " doesn't exist"));
} else {
void Peer::onConnection(Exception& ex, Writer& writer,DataReader& parameters,DataWriter& response) {
if(!connected) {
_pWriter = &writer;
// reset default protocol parameters
_parameters.clear();
Parameters::ForEach forEach([this](const string& key,const string& value) {
_parameters.setString(key,value);
});
string buffer;
_handler.iterate(String::Format(buffer,protocol,"."), forEach);
ParameterWriter parameterWriter(_parameters);
SplitWriter parameterAndResponse(parameterWriter,response);
_handler.onConnection(ex, *this,parameters,parameterAndResponse);
if (!ex) {
(bool&)connected = ((Entities<Client>&)_handler.clients).add(*this);
if (!connected) {
ex.set(Exception::PROTOCOL, "Client ", Util::FormatHex(id, ID_SIZE, buffer), " exists already");
ERROR(ex.error());
_handler.onDisconnection(*this);
}
}
if (!connected) {
writer.abort();
_pWriter = NULL;
} else {
OnInitParameters::raise(_parameters);
DEBUG("Client ",address.toString()," connection")
}
writer.open(); // open even if "ex" to send error messages!
} else
bool LUAIPAddress::Read(Exception& ex, lua_State *pState, int index, IPAddress& address,bool withDNS) {
if (lua_type(pState, index)==LUA_TSTRING) // lua_type because can be encapsulated in a lua_next
return withDNS ? address.setWithDNS(ex, lua_tostring(pState,index)) : address.set(ex, lua_tostring(pState,index));
if(lua_istable(pState,index)) {
bool isConst;
IPAddress* pOther = Script::ToObject<IPAddress>(pState, isConst, index);
if (pOther) {
address.set(*pOther);
return true;
}
SocketAddress* pAddress = Script::ToObject<SocketAddress>(pState, isConst, index);
if (pAddress) {
address.set(pAddress->host());
return true;
}
ServerConnection* pServer = Script::ToObject<ServerConnection>(pState, isConst, index);
if (pServer) {
address.set(pServer->address.host());
return true;
}
}
ex.set(Exception::NETADDRESS, "No valid IPAddress available to read");
return false;
}
ADD_TEST(DateTest, ParseISO8601Frac) {
CHECK(Parse("2005-01-08T12:30:00.1Z", 2005, 1, 8,6, 12, 30, 0, 100, Date::GMT));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2005-01-08T12:30:00.100Z");
CHECK(Parse("2005-01-08T12:30:00.123+01:00", 2005, 1, 8,6, 12, 30, 0, 123, 3600000));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2005-01-08T12:30:00.123+01:00");
CHECK(Parse("2005-01-08T12:30:00Z", 2005, 1, 8,6, 12, 30, 0, 0, Date::GMT));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2005-01-08T12:30:00.000Z");
CHECK(Parse("2005-01-08T12:30:00+01:00", 2005, 1, 8,6, 12, 30, 0, 0, 3600000));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2005-01-08T12:30:00.000+01:00");
CHECK(Parse("2014-04-22T06:00:00.000+02:00", 2014, 4, 22, 2, 6, 0, 0, 0, 7200000));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2014-04-22T06:00:00.000+02:00");
CHECK(!Ex);
CHECK(Parse("2005-01-08T12:30:00.12345-01:00", 2005, 1, 8,6, 12, 30, 0, 123, -3600000));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2005-01-08T12:30:00.123-01:00");
CHECK(Parse("2010-09-23T16:17:01.2817002+02:00", 2010, 9, 23, 4, 16, 17, 1, 281, 7200000));
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2010-09-23T16:17:01.281+02:00");
CHECK(Parse("2005-01-08T12:30:00.123456", 2005, 1, 8,6, 12, 30, 0, 123, Date::LOCAL));
CHECK(Parse("2005-01-08T12:30:00.012034", 2005, 1, 8,6, 12, 30, 0, 12, Date::LOCAL));
_Date.setOffset(4020000);
CHECK(_Date.offset()==4020000);
CHECK(_Date.toString(Date::ISO8601_FRAC_FORMAT, _Out) == "2005-01-08T12:30:00.012+01:07");
CHECK(Ex); // warning on microsecond lost information
Ex.set(Exception::NIL);
}
bool LUAXML::LUAToXMLElement(Exception& ex, lua_State* pState, PacketWriter& writer) {
// -1 => table
lua_pushstring(pState, "__name");
lua_rawget(pState, -2);
const char* name(lua_tostring(pState, -1));
lua_pop(pState, 1);
if (!name) {
ex.set(Exception::APPLICATION, "Impossible to write a XML element without name (__name)");
return false;
}
// write attributes
writer.write("<").write(name).write(" ");
lua_pushnil(pState); // first key
while (lua_next(pState, -2) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_type(pState, -2) == LUA_TSTRING && strcmp(lua_tostring(pState, -2),"__name")!=0 && lua_isstring(pState, -1))
writer.write(lua_tostring(pState, -2)).write("=\"").write(lua_tostring(pState, -1)).write("\" ");
lua_pop(pState, 1);
}
if (lua_objlen(pState, -1) == 0) {
writer.write("/>");
return true;
}
writer.write(">");
// write elements
lua_pushnil(pState); // first key
while (lua_next(pState, -2) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_isnumber(pState, -2)) {
if (lua_istable(pState, -1))
LUAToXMLElement(ex, pState, writer); // table child
else if (lua_isstring(pState, -1))
writer.write(lua_tostring(pState, -1), lua_objlen(pState, -1)); // __value
else
ex.set(Exception::APPLICATION, "Impossible to convert the value of type ", lua_typename(pState, lua_type(pState, -1)), "to a correct XML value of ",name);
} else if (lua_type(pState, -2) != LUA_TSTRING)
ex.set(Exception::APPLICATION, "Impossible to convert the key of type ",lua_typename(pState,lua_type(pState,-2)),"to a correct XML element of ",name);
lua_pop(pState, 1);
}
writer.write("</").write(name).write(">");
return true;
}
bool RTMFP::Decode(Exception& ex,RTMFPEngine& aesDecrypt,PacketReader& packet) {
// Decrypt
aesDecrypt.process(packet.current(),(UInt8*)packet.current(),packet.available());
bool result = ReadCRC(packet);
if (!result)
ex.set(Exception::CRYPTO, "Bad RTMFP CRC sum computing");
return result;
}
bool WinRegistryKey::setString(Exception& ex, const string& name, const string& value) {
if (!open(ex))
return false;
if (RegSetValueExA(_hKey, name.c_str(), 0, REG_SZ, (CONST BYTE*) value.c_str(), (DWORD) value.size() + 1) == ERROR_SUCCESS)
return true;
ex.set(Exception::REGISTRY, "Failed to set registry value ", key(name));
return false;
}
bool WinRegistryKey::setInt(Exception& ex,const string& name, int value) {
if (!open(ex))
return false;
DWORD data = value;
if (RegSetValueExA(_hKey, name.c_str(), 0, REG_DWORD, (CONST BYTE*) &data, sizeof(data)) == ERROR_SUCCESS)
return true;
ex.set(Exception::REGISTRY, "Failed to set registry value ", key(name));
return false;
}
void TCPClient::onReadable(Exception& ex,UInt32 available) {
if (available == 0) {
close(); // Graceful disconnection
return;
}
lock_guard<recursive_mutex> lock(_mutex);
if(available>(_pBuffer->size() - _rest))
_pBuffer->resize(_rest+available,true);
Exception exRecv;
int received = _socket.receiveBytes(exRecv,_pBuffer->data()+_rest, available);
if (received <= 0) {
if (exRecv)
onError(exRecv); // to be before onDisconnection!
close(); // Graceful disconnection
return;
} else if (exRecv)
ex.set(exRecv); // received > 0, so WARN
_rest += received;
while (_rest > 0) {
_pBuffer->resize(_rest,true);
UInt32 rest = onReception(_pBuffer);
// To prevent the case where the buffer has been manipulated during onReception call
if(_pBuffer.empty())
rest = 0;
else if (_pBuffer->size() < _rest)
_rest = _pBuffer->size();
if (rest > _rest)
rest = _rest;
if (rest == 0) {
// has consumed all
_pBuffer.release();
_rest = 0;
break;
}
if (_rest == rest) // no new bytes consumption, wait next reception
break;
// has consumed few bytes (but not all)
// 0 < rest < _rest <= _pBuffer->size()
memmove(_pBuffer->data(), _pBuffer->data() + (_rest - rest), rest); // move to the beginning
_rest = rest;
}
}
int WinRegistryKey::getInt(Exception& ex,const string& name) {
if (!open(ex))
return 0;
int value(0);
DWORD type;
DWORD size = sizeof(value);
if (RegQueryValueExA(_hKey, name.c_str(), NULL, &type, (BYTE*)&value, &size) == ERROR_SUCCESS && type == REG_DWORD)
return value;
ex.set(Exception::REGISTRY, "Key ", key(name), " not found");
return 0;
}
bool TCPClient::connect(Exception& ex,const SocketAddress& address) {
lock_guard<recursive_mutex> lock(_mutex);
if (_disconnecting) {
ex.set(Exception::SOCKET, "TCPClient is always connected to ", _peerAddress.toString(), ", call disconnect() before, and wait onDisconnection event");
return false;
}
_connected = _socket.connect(ex, address);
if (!_connected)
return false;
_peerAddress.set(address);
return true;
}
bool DNS::HostName(Exception& ex,string& host) {
if(!Net::InitializeNetwork(ex))
return false;
char buffer[256];
int rc = gethostname(buffer, sizeof(buffer));
if (rc == 0) {
host.assign(buffer);
return true;
}
ex.set(Exception::NETADDRESS,"Cannot get host name");
return false;
}
UInt16 SocketAddress::resolveService(Exception& ex,const string& service) {
UInt16 port=0;
if (String::ToNumber<UInt16>(service,port))
return port;
if (!Net::InitializeNetwork(ex))
return 0;
struct servent* se = getservbyname(service.c_str(), NULL);
if (se)
return ntohs(se->s_port);
ex.set(Exception::NETADDRESS, "Service ", service, " unknown");
return 0;
}
bool Net::InitializeNetwork(Exception& ex) {
lock_guard<mutex> lock(Mutex);
if (Initialized)
return true;
WORD version = MAKEWORD(2, 2);
WSADATA data;
if (WSAStartup(version, &data) != 0) {
ex.set(Exception::NETWORK, "Failed to initialize network subsystem");
return false;
}
return Initialized = true;
}
bool WinRegistryKey::open(Exception& ex) {
if (_hKey)
return true;
if (_readOnly) {
if (RegOpenKeyExA(_hRootKey, _subKey.c_str(), 0, KEY_READ | _extraSam, &_hKey) == ERROR_SUCCESS)
return true;
} else {
if (RegCreateKeyExA(_hRootKey, _subKey.c_str(), 0, NULL, REG_OPTION_NON_VOLATILE, KEY_READ | KEY_WRITE | _extraSam, NULL, &_hKey, NULL) == ERROR_SUCCESS)
return true;
}
ex.set(Exception::REGISTRY,"Cannot open registry ", key());
return false;
}
void RTMFPWriter::manage(Exception& ex, Invoker& invoker) {
if(!consumed() && !_band.failed()) {
if(_trigger.raise(ex))
raiseMessage();
if (ex) {
fail("RTMFPWriter can't deliver its data, ",ex.error());
return;
}
}
if(critical && state()==CLOSED) {
ex.set(Exception::NETWORK, "Main flow writer closed, session is closing");
return;
}
flush(false);
}
void FileSystem::CreateDirectories(Exception& ex,const string& path) {
vector<string> directories;
if (Unpack(path, directories).empty())
return;
string dir;
if (directories.front().size()==2 && directories.front().back() == ':') {
// device
dir.append(directories.front());
directories.erase(directories.begin());
}
for (const string& directory : directories) {
dir.append("/");
dir.append(directory);
if (!CreateDirectory(dir)) {
ex.set(Exception::FILE, "Impossible to create ", dir, " directory");
return;
}
}
}
void TCPClient::receive(Exception& ex, UInt32 available) {
if (available>0)
onSending(0); // to update _idleTime
if (available == 0) {
close(); // Graceful disconnection
return;
}
UInt32 size(_pBuffer->size());
_pBuffer->resize(size+available,true);
Exception exRecv;
int received = _socket.receiveBytes(exRecv,_pBuffer->data()+size, available);
if (received <= 0) {
if (exRecv)
OnError::raise(exRecv); // to be before onDisconnection!
close(); // Graceful disconnection
return;
} else if (exRecv)
ex.set(exRecv); // received > 0, so WARN
_pBuffer->resize(size+received,true);
size = 0;
while(size<_pBuffer->size()) { // while everything is not consumed
if (size)
_pBuffer->clip(size);
size = OnData::raise<0xFFFFFFFF>(_pBuffer); // consumed
if (!size) // if no consumption
return; // no release here
}
_pBuffer.release();
}
bool SDP::build(Exception& ex, const char* text) {
SDPMedia* pMedia = NULL;
String::ForEach forEach([this,&pMedia,&ex](UInt32 index,const char* line){
if(strlen(line)==0 || line[1] != '=') {
ex.set(Exception::FORMATTING, "SDP line ",line," malformed, second byte isn't an equal sign");
return false;
}
UInt8 type = line[0];
line = String::TrimLeft(line);
// RFC 4566
switch(type) {
case 'v': // v= (protocol version)
version = String::ToNumber<UInt32>(ex, line);
break;
case 'o': { // o=<username> <sess-id> <sess-version> <nettype> <addrtype> <unicast-address>
String::ForEach forEach([&ex,this](UInt32 index, const char* value) {
switch (index) {
case 0:
user.assign(value);
break;
case 1:
sessionId = String::ToNumber<UInt32>(ex, value);
break;
case 2:
sessionVersion = String::ToNumber<UInt32>(ex, value);
break;
case 4:
unicastAddress.set(IPAddress::Wildcard(String::ICompare(value,"IP6")==0 ? IPAddress::IPv6 : IPAddress::IPv4));
break;
case 5:
unicastAddress.set(ex,value,unicastAddress.family());
break;
}
return !ex;
});
if(String::Split(line, " ", forEach, String::SPLIT_IGNORE_EMPTY | String::SPLIT_TRIM)<6)
ex.set(Exception::PROTOCOL, "SDP o line required 6 values (<username> <sess-id> <sess-version> <nettype> <addrtype> <unicast-address>)");
break;
}
case 's': // s= (session name)
sessionName = line;
break;
/// Optional lines
case 'i': // i=* (session information)
sessionInfos = line;
break;
case 'u': // u=* (URI of description)
uri = line;
break;
case 'e': // e=* (email address)
email = line;
break;
case 'p': // p=* (phone number)
phone = line;
break;
case 'c': { // c=* (connection information -- not required if included in all media)
IPAddress defaultAddress; // TODO defaultAddress is useless for what?
String::ForEach forEach([&ex,&defaultAddress, this](UInt32 index, const char* value) {
switch (index) {
case 1:
defaultAddress.set(IPAddress::Wildcard(String::ICompare(value,"IP6")==0 ? IPAddress::IPv6 : IPAddress::IPv4));
break;
case 2:
defaultAddress.set(ex,value,defaultAddress.family());
break;
}
return !ex;
});
if(String::Split(line, " ", forEach, String::SPLIT_IGNORE_EMPTY | String::SPLIT_TRIM)<3)
ex.set(Exception::PROTOCOL, "SDP c line required 3 values");
break;
}
case 'b': // b=* (zero or more bandwidth information lines)
// TODO useless?
break;
// One or more time descriptions ("t=" and "r=" lines; see below)
// t= (time the session is active)
// r=* (zero or more repeat times)
case 't':
// TODO useless?
break;
case 'r':
// TODO useless?
break;
case 'z': // z=* (time zone adjustments)
// TODO useless?
break;
case 'k': // k=* (encryption key)
encryptKey = line;
break;
case 'm': { // m=<name> <port> <proto> <fmt>
string name;
UInt16 port;
String::ForEach forEach([&ex, &pMedia, &name, &port, this](UInt32 index, const char* value) {
switch (index) {
case 0:
name = value;
break;
case 1:
port = String::ToNumber<UInt16>(ex, value);
break;
case 2:
pMedia = addMedia(name, port, value);
break;
}
return !ex;
});
if(String::Split(line, " ", forEach, String::SPLIT_IGNORE_EMPTY | String::SPLIT_TRIM)<4)
ex.set(Exception::PROTOCOL, "SDP m line required 4 values (<name> <port> <proto> <fmt>)");
break;
}
case 'a': { // a=* (zero or more session attribute lines)
vector<string>* pFields = NULL;
bool isMsId = false;
string fingerHash;
// TODO SDPSource* pSource = NULL;
// TODO list<UInt32>* pSourceGroupe = NULL;
String::ForEach forEach([&ex, &pMedia, &pFields, &isMsId, &fingerHash, this](UInt32 index, const char* value) {
// RFC 5576
if(pMedia) {
/* TODO
if(pSourceGroupe)
pSourceGroupe->push_back(NumberParser::parseUnsigned(field));
else if(pSource) {
if(isMsId)
pSource->msData = field;
else if(key=="cname") // cname:<value>
pSource->cname = value;
else if(key=="msid") {// draft-alvestrand-mmusic-msid-00
isMsId = true;
pSource->msId = value;
} else if(key=="mslabel") // draft-alvestrand-rtcweb-mid-01
pSource->msLabel = value;
else if(key=="label") // draft-alvestrand-rtcweb-mid-01
pSource->label = value;
else
WARN("Media source attribute ",key," unknown");
} else if(key=="ssrc") // a=ssrc:<ssrc-id>
pSource = &sources[NumberParser::parseUnsigned(key)];// a=ssrc:<ssrc-id> <attribute>
else if(key=="rtcp-mux")
pMedia->rtcpMux = true;
else if(key=="mid") // RFC 3388, a=mid:<token>
pMedia->mid = value;
else if(key=="ssrc-group") // a=ssrc-group:<semantics>
pSourceGroupe = &sourceGroupes[value];
else if(key="crypto") { // a=crypto:<tag> <crypto-suite> <key-params> [<session-params>]
StringTokenizer values(value," ",StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
poco_assert(values.size()>2)
pMedia->cryptoTag =
} else
WARN("Media attribute ",key," unknown");*/
ERROR("TODO")
} else if(pFields)
pFields->emplace_back(value);
else if(!fingerHash.empty())
int i=0; // TODO finger = talk_base::SSLFingerprint::CreateFromRfc4572(fingerHash, field);
else {
const char* key(value);
const char* value(String::Empty.c_str());
const char* colon(strchr(value,':'));
if (colon) {
*(char*)colon = 0;
value = colon + 1;
}
if (String::ICompare(key,"group")==0) // RFC 5888 and draft-holmberg-mmusic-sdp-bundle-negotiation-00
pFields = &groups[value];
else if (String::ICompare(key,"ice-ufrag")==0)
iceUFrag = value;
else if (String::ICompare(key,"ice-pwd")==0)
icePwd = value;
else if (String::ICompare(key,"ice-options")==0) {
pFields = &iceOptions;
iceOptions.emplace_back(value);
} else if (String::ICompare(key,"fingerprint")==0) // fingerprint:<hash> <algo>
fingerHash = value; // fingerprint:<hash>
else if (String::ICompare(key,"msid-semantic")==0)
supportMsId = String::ICompare(value ,"VMS")==0;
else if (String::ICompare(key,"extmap")==0) // RFC 5285 a=extmap:<value>["/"<direction>] <URI> <extensionattributes>
pFields = &extensions[value];
else
WARN("SDP attribute ", key, " unknown");
}
return true;
});
String::Split(line, " ", forEach, String::SPLIT_IGNORE_EMPTY | String::SPLIT_TRIM);
break;
} // case 'a':
} // switch(type)
void WSSession::packetHandler(PacketReader& packet) {
UInt8 type = 0;
Exception ex;
if(peer.connected) {
type = packet.read8();
switch(type) {
case WS::TYPE_BINARY: {
RawReader reader(packet);
peer.onMessage(ex, "onMessage",reader,WS::TYPE_BINARY);
break;
}
case WS::TYPE_TEXT: {
if(!JSONReader::IsValid(packet)) {
RawReader reader(packet);
peer.onMessage(ex, "onMessage",reader);
break;
}
JSONReader reader(packet);
if(reader.followingType()!=JSONReader::STRING) {
peer.onMessage(ex, "onMessage",reader);
break;
}
string name;
reader.readString(name);
if(name=="__publish") {
if(reader.followingType()!=JSONReader::STRING) {
ex.set(Exception::PROTOCOL, "__publish method takes a stream name in first parameter",WS::CODE_MALFORMED_PAYLOAD);
break;
}
reader.readString(name);
if(_pPublication)
invoker.unpublish(peer,_pPublication->name());
_pPublication = invoker.publish(ex, peer,name);
} else if(name=="__play") {
if(reader.followingType()!=JSONReader::STRING) {
ex.set(Exception::PROTOCOL, "__play method takes a stream name in first parameter",WS::CODE_MALFORMED_PAYLOAD);
break;
}
reader.readString(name);
closeSusbcription();
} else if(name=="__closePublish") {
closePublication();
} else if(name=="__closePlay") {
closeSusbcription();
} else if (name == "__close") {
closePublication();
closeSusbcription();
} else if(_pPublication) {
reader.reset();
_pPublication->pushData(reader);
} else
peer.onMessage(ex, name,reader);
break;
}
case WS::TYPE_CLOSE:
_writer.close(packet.available() ? packet.read16() : 0);
break;
case WS::TYPE_PING:
_writer.writePong(packet.current(),packet.available());
break;
case WS::TYPE_PONG:
peer.setPing(_writer.ping = (UInt16)(_time.elapsed()/1000));
break;
default:
ex.set(Exception::PROTOCOL, Format<UInt8>("Type %#x unknown", type), WS::CODE_MALFORMED_PAYLOAD);
break;
}
if (ex) {
ERROR(ex.error());
_writer.close((ex.code()==Exception::APPLICATION || ex.code() == Exception::SOFTWARE) ? WS::CODE_PROTOCOL_ERROR : ex.code());
}
}
if(!peer.connected || type==WS::TYPE_CLOSE)
kill();
else
_writer.flush();
}
Type String::ToNumber(Exception& ex, Type failValue, const char* value, size_t size) {
int digit = 1, comma = 0;
bool beginning = true, negative = false;
long double result(0);
bool isSigned = numeric_limits<Type>::is_signed;
Type max = numeric_limits<Type>::max();
const char* current(value);
if (size == string::npos)
size = strlen(value);
while(current && size-->0) {
if (iscntrl(*current) || *current==' ') {
if (beginning) {
++current;
continue;
}
ex.set(Exception::FORMATTING, value, " is not a correct number");
return failValue;
}
if (*current == '-') {
if (isSigned && beginning && !negative) {
negative = true;
++current;
continue;
}
ex.set(Exception::FORMATTING, value, " is not a correct number");
return failValue;
}
if (*current == '.' || *current == ',') {
if (comma == 0 && !beginning) {
comma = 1;
++current;
continue;
}
ex.set(Exception::FORMATTING, value, " is not a correct number");
return failValue;
}
if (beginning)
beginning = false;
if (isdigit(*current) == 0) {
ex.set(Exception::FORMATTING, value, " is not a correct number");
return failValue;
}
result = result * 10 + (*current - '0');
comma *= 10;
++current;
}
if (beginning) {
ex.set(Exception::FORMATTING, "Empty string is not a number");
return failValue;
}
if (comma > 0)
result /= comma;
if (result > max) {
ex.set(Exception::FORMATTING, value, " exceeds maximum number capacity");
return failValue;
}
if (negative)
result *= -1;
return (Type)result;
}
