/*
* Get the next input token. The content buffer is advanced to the next token. This routine always returns a
* non-zero token. The empty string means the delimiter was not found.
*/
static char *getToken(MaConn *conn, cchar *delim)
{
MprBuf *buf;
char *token, *nextToken;
int len;
mprAssert(mprGetParent(conn->input) == conn);
buf = conn->input->content;
len = mprGetBufLength(buf);
if (len == 0) {
return "";
}
token = mprGetBufStart(buf);
nextToken = mprStrnstr(mprGetBufStart(buf), delim, len);
if (nextToken) {
*nextToken = '\0';
len = (int) strlen(delim);
nextToken += len;
buf->start = nextToken;
} else {
buf->start = mprGetBufEnd(buf);
mprAddNullToBuf(buf);
}
return token;
}
/*
* Parse a new request. Return true to keep going with this or subsequent request, zero means insufficient data to proceed.
*/
static bool parseRequest(MaConn *conn, MaPacket *packet)
{
MaRequest *req;
char *start, *end;
int len;
/*
* Must wait until we have the complete set of headers.
*/
if ((len = mprGetBufLength(packet->content)) == 0) {
return 0;
}
start = mprGetBufStart(packet->content);
if ((end = mprStrnstr(start, "\r\n\r\n", len)) == 0) {
return 0;
}
len = (int) (end - start);
if (len >= conn->host->limits->maxHeader) {
maFailConnection(conn, MPR_HTTP_CODE_REQUEST_TOO_LARGE, "Header too big");
return 0;
}
if (parseFirstLine(conn, packet)) {
parseHeaders(conn, packet);
} else {
return 0;
}
maMatchHandler(conn);
/*
* Have read the headers. Create the request pipeline. This calls the open() stage entry routines.
*/
maCreatePipeline(conn);
req = conn->request;
if (conn->connectionFailed) {
/* Discard input data */
mprAssert(conn->keepAliveCount <= 0);
conn->state = MPR_HTTP_STATE_PROCESSING;
maRunPipeline(conn);
} else if (req->remainingContent > 0) {
conn->state = MPR_HTTP_STATE_CONTENT;
} else if (req->length == -1 && (req->method == MA_REQ_POST || req->method == MA_REQ_PUT)) {
conn->state = MPR_HTTP_STATE_CONTENT;
} else {
/*
* Can run the request now if there is no incoming data.
*/
conn->state = MPR_HTTP_STATE_PROCESSING;
maRunPipeline(conn);
}
return !conn->disconnected;
}
/*
Get the next input token. The content buffer is advanced to the next token. This routine always returns a
non-zero token. The empty string means the delimiter was not found.
*/
static char *getCgiToken(MprBuf *buf, cchar *delim)
{
char *token, *nextToken;
int len;
len = mprGetBufLength(buf);
if (len == 0) {
return "";
}
token = mprGetBufStart(buf);
nextToken = mprStrnstr(mprGetBufStart(buf), delim, len);
if (nextToken) {
*nextToken = '\0';
len = (int) strlen(delim);
nextToken += len;
buf->start = nextToken;
} else {
buf->start = mprGetBufEnd(buf);
}
return token;
}