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can create a socket from a fd

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This commit is contained in:
Benjamin Sergeant
2018-12-29 21:53:33 -08:00
parent 9cc324d78d
commit 24c9e0abc3
8 changed files with 82 additions and 48 deletions
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109
ixwebsocket/IXWebSocketTransport.cpp
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@ -145,6 +145,59 @@ namespace ix
std::cout << "-------------------------------" << std::endl;
}
std::pair<bool, WebSocketHttpHeaders> WebSocketTransport::parseHttpHeaders()
{
WebSocketHttpHeaders headers;
char line[256];
int i;
while (true)
{
int colon = 0;
for (i = 0;
i < 2 || (i < 255 && line[i-2] != '\r' && line[i-1] != '\n');
++i)
{
if (!readByte(line+i))
{
return std::make_pair(false, headers);
}
if (line[i] == ':' && colon == 0)
{
colon = i;
}
}
if (line[0] == '\r' && line[1] == '\n')
{
break;
}
// line is a single header entry. split by ':', and add it to our
// header map. ignore lines with no colon.
if (colon > 0)
{
line[i] = '\0';
std::string lineStr(line);
// colon is ':', colon+1 is ' ', colon+2 is the start of the value.
// i is end of string (\0), i-colon is length of string minus key;
// subtract 1 for '\0', 1 for '\n', 1 for '\r',
// 1 for the ' ' after the ':', and total is -4
std::string name(lineStr.substr(0, colon));
std::string value(lineStr.substr(colon + 2, i - colon - 4));
// Make the name lower case.
std::transform(name.begin(), name.end(), name.begin(), ::tolower);
headers[name] = value;
}
}
return std::make_pair(true, headers);
}
std::string WebSocketTransport::genRandomString(const int len)
{
std::string alphanum =
@ -247,6 +300,7 @@ namespace ix
return WebSocketInitResult(false, 0, std::string("Failed sending GET request to ") + _url);
}
// Read first line
char line[256];
int i;
for (i = 0; i < 2 || (i < 255 && line[i-2] != '\r' && line[i-1] != '\n'); ++i)
@ -285,49 +339,13 @@ namespace ix
return WebSocketInitResult(false, status, ss.str());
}
WebSocketHttpHeaders headers;
auto result = parseHttpHeaders();
auto headersValid = result.first;
auto headers = result.second;
while (true)
if (!headersValid)
{
int colon = 0;
for (i = 0;
i < 2 || (i < 255 && line[i-2] != '\r' && line[i-1] != '\n');
++i)
{
if (!readByte(line+i))
{
return WebSocketInitResult(false, status, std::string("Failed reading response header from ") + _url);
}
if (line[i] == ':' && colon == 0)
{
colon = i;
}
}
if (line[0] == '\r' && line[1] == '\n')
{
break;
}
// line is a single header entry. split by ':', and add it to our
// header map. ignore lines with no colon.
if (colon > 0)
{
line[i] = '\0';
std::string lineStr(line);
// colon is ':', colon+1 is ' ', colon+2 is the start of the value.
// i is end of string (\0), i-colon is length of string minus key;
// subtract 1 for '\0', 1 for '\n', 1 for '\r',
// 1 for the ' ' after the ':', and total is -4
std::string name(lineStr.substr(0, colon));
std::string value(lineStr.substr(colon + 2, i - colon - 4));
// Make the name lower case.
std::transform(name.begin(), name.end(), name.begin(), ::tolower);
headers[name] = value;
}
return WebSocketInitResult(false, status, "Error parsing HTTP headers");
}
char output[29] = {};
@ -362,6 +380,15 @@ namespace ix
return WebSocketInitResult(true, status, "", headers);
}
WebSocketInitResult WebSocketTransport::initFromSocket(int fd)
{
_socket.reset();
_socket = std::make_shared<Socket>(fd);
WebSocketHttpHeaders headers;
return WebSocketInitResult(true, 200, "", headers);
}
WebSocketTransport::ReadyStateValues WebSocketTransport::getReadyState() const
{
return _readyState;