PRIVATE int FileEvent (SOCKET soc, void * pVoid, HTEventType type)
{
file_info *file = pVoid; /* Specific access information */
int status = HT_ERROR;
HTNet * net = file->net;
HTRequest * request = HTNet_request(net);
HTParentAnchor * anchor = HTRequest_anchor(request);
/*
** Initiate a new file structure and bind to request structure
** This is actually state FILE_BEGIN, but it can't be in the state
** machine as we need the structure first.
*/
if (type == HTEvent_CLOSE) { /* Interrupted */
HTRequest_addError(request, ERR_FATAL, NO, HTERR_INTERRUPTED,
NULL, 0, "HTLoadFile");
FileCleanup(request, HT_INTERRUPTED);
return HT_OK;
}
/* Now jump into the machine. We know the state from the previous run */
while (1) {
switch (file->state) {
case FS_BEGIN:
/* We only support safe (GET, HEAD, etc) methods for the moment */
if (!HTMethod_isSafe(HTRequest_method(request))) {
HTRequest_addError(request, ERR_FATAL, NO, HTERR_NOT_ALLOWED,
NULL, 0, "HTLoadFile");
file->state = FS_ERROR;
break;
}
/* Check whether we have access to local disk at all */
if (HTLib_secure()) {
HTTRACE(PROT_TRACE, "LoadFile.... No access to local file system\n");
file->state = FS_TRY_FTP;
break;
}
file->local = HTWWWToLocal(HTAnchor_physical(anchor), "",
HTRequest_userProfile(request));
if (!file->local) {
file->state = FS_TRY_FTP;
break;
}
/* Create a new host object and link it to the net object */
{
HTHost * host = NULL;
if ((host = HTHost_new("localhost", 0)) == NULL) return HT_ERROR;
HTNet_setHost(net, host);
if (HTHost_addNet(host, net) == HT_PENDING) {
HTTRACE(PROT_TRACE, "HTLoadFile.. Pending...\n");
/* move to the hack state */
file->state = FS_PENDING;
return HT_OK;
}
}
file->state = FS_DO_CN;
break;
case FS_PENDING:
/*
** 2000/08/10 JK : This is a funny state. Because of the
** internal libwww stacks, when doing multiple local
** requests (e.g., while using the Robot), we need to ask
** again for the host object. If we had jumped directly to
** the FS_DO_CN state, libwww would have blocked because
** of socket starvation.
** This state is similar to FS_BEGINNING, but just requests
** the host object.
** YES. THIS IS AN UGLY HACK!!
*/
{
HTHost * host = NULL;
if ((host = HTHost_new("localhost", 0)) == NULL) return HT_ERROR;
HTNet_setHost(net, host);
if (HTHost_addNet(host, net) == HT_PENDING) {
HTTRACE(PROT_TRACE, "HTLoadFile.. Pending...\n");
file->state = FS_PENDING;
return HT_OK;
}
}
file->state = FS_DO_CN;
break;
case FS_DO_CN:
/*
** If we have to do content negotiation then find the object that
** fits best into either what the client has indicated in the
** accept headers or what the client has registered on its own.
** The object chosen can in fact be a directory! However, content
** negotiation only makes sense if we can read the directory!
** We stat the file in order to find the size and to see it if
** exists.
*/
if (HTRequest_negotiation(request) &&
HTMethod_isSafe(HTRequest_method(request))) {
char * conneg = HTMulti(request, file->local,&file->stat_info);
if (conneg) {
HT_FREE(file->local);
file->local = conneg;
HTAnchor_setPhysical(anchor, conneg);
HTTRACE(PROT_TRACE, "Load File... Found `%s\'\n" _ conneg);
} else {
HTTRACE(PROT_TRACE, "Load File... Not found - even tried content negotiation\n");
HTRequest_addError(request, ERR_FATAL, NO, HTERR_NOT_FOUND,
NULL, 0, "HTLoadFile");
file->state = FS_ERROR;
break;
}
} else {
if (HT_STAT(file->local, &file->stat_info) == -1) {
HTTRACE(PROT_TRACE, "Load File... Not found `%s\'\n" _ file->local);
HTRequest_addError(request, ERR_FATAL, NO, HTERR_NOT_FOUND,
NULL, 0, "HTLoadFile");
file->state = FS_ERROR;
break;
}
}
/*
** Check to see if the 'localname' is in fact a directory.
** Note that we can't do a HEAD on a directory
*/
if (((file->stat_info.st_mode) & S_IFMT) == S_IFDIR) {
if (HTRequest_method(request) == METHOD_GET)
file->state = FS_PARSE_DIR;
else {
HTRequest_addError(request, ERR_INFO, NO, HTERR_NO_CONTENT,
NULL, 0, "HTLoadFile");
file->state = FS_NO_DATA;
}
break;
}
/*
** If empty file then only serve it if it is editable. We also get
** the bindings for the file suffixes in lack of better bindings
*/
{
BOOL editable = HTEditable(file->local, &file->stat_info);
if (file_suffix_binding) HTBind_getAnchorBindings(anchor);
if (editable) HTAnchor_appendAllow(anchor, METHOD_PUT);
/* Set the file size */
if (file->stat_info.st_size)
HTAnchor_setLength(anchor, file->stat_info.st_size);
/* Set the file last modified time stamp */
if (file->stat_info.st_mtime > 0)
HTAnchor_setLastModified(anchor, file->stat_info.st_mtime);
/* Check to see if we can edit it */
if (!editable && !file->stat_info.st_size) {
HTRequest_addError(request, ERR_INFO, NO, HTERR_NO_CONTENT,
NULL, 0, "HTLoadFile");
file->state = FS_NO_DATA;
} else {
file->state = (HTRequest_method(request)==METHOD_GET) ?
FS_NEED_OPEN_FILE : FS_GOT_DATA;
}
}
break;
case FS_NEED_OPEN_FILE:
status = HTFileOpen(net, file->local, HT_FB_RDONLY);
if (status == HT_OK) {
/*
** Create the stream pipe FROM the channel to the application.
** The target for the input stream pipe is set up using the
** stream stack.
*/
{
HTStream * rstream = HTStreamStack(HTAnchor_format(anchor),
HTRequest_outputFormat(request),
HTRequest_outputStream(request),
request, YES);
HTNet_setReadStream(net, rstream);
HTRequest_setOutputConnected(request, YES);
}
/*
** Create the stream pipe TO the channel from the application
** and hook it up to the request object
*/
{
HTOutputStream * output = HTNet_getOutput(net, NULL, 0);
HTRequest_setInputStream(request, (HTStream *) output);
}
/*
** Set up concurrent read/write if this request isn't the
** source for a PUT or POST. As source we don't start reading
** before all destinations are ready. If destination then
** register the input stream and get ready for read
*/
if (HTRequest_isSource(request) && !HTRequest_destinationsReady(request))
return HT_OK;
HTRequest_addError(request, ERR_INFO, NO, HTERR_OK, NULL, 0,
"HTLoadFile");
file->state = FS_NEED_BODY;
/* If we are _not_ using preemptive mode and we are Unix fd's
** then return here to get the same effect as when we are
** connecting to a socket. That way, HTFile acts just like any
** other protocol module even though we are in fact doing
** blocking connect
*/
if (HTEvent_isCallbacksRegistered()) {
if (!HTRequest_preemptive(request)) {
if (!HTNet_preemptive(net)) {
HTTRACE(PROT_TRACE, "HTLoadFile.. Returning\n");
HTHost_register(HTNet_host(net), net, HTEvent_READ);
} else if (!file->timer) {
HTTRACE(PROT_TRACE, "HTLoadFile.. Returning\n");
file->timer =
HTTimer_new(NULL, ReturnEvent, file, 1, YES, NO);
}
return HT_OK;
}
}
} else if (status == HT_WOULD_BLOCK || status == HT_PENDING)
return HT_OK;
else {
HTRequest_addError(request, ERR_INFO, NO, HTERR_INTERNAL,
NULL, 0, "HTLoadFile");
file->state = FS_ERROR; /* Error or interrupt */
}
break;
case FS_NEED_BODY:
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_LOADED || status == HT_CLOSED) {
file->state = FS_GOT_DATA;
} else {
HTRequest_addError(request, ERR_INFO, NO, HTERR_FORBIDDEN,
NULL, 0, "HTLoadFile");
file->state = FS_ERROR;
}
break;
case FS_PARSE_DIR:
status = HTFile_readDir(request, file);
if (status == HT_LOADED)
file->state = FS_GOT_DATA;
else
file->state = FS_ERROR;
break;
case FS_TRY_FTP:
{
char *url = HTAnchor_physical(anchor);
HTAnchor *anchor;
char *newname = NULL;
StrAllocCopy(newname, "ftp:");
if (!strncmp(url, "file:", 5))
StrAllocCat(newname, url+5);
else
StrAllocCat(newname, url);
anchor = HTAnchor_findAddress(newname);
HTRequest_setAnchor(request, anchor);
HT_FREE(newname);
FileCleanup(request, HT_IGNORE);
return HTLoad(request, YES);
}
break;
case FS_GOT_DATA:
FileCleanup(request, HT_LOADED);
return HT_OK;
break;
case FS_NO_DATA:
FileCleanup(request, HT_NO_DATA);
return HT_OK;
break;
case FS_RETRY:
FileCleanup(request, HT_RETRY);
return HT_OK;
break;
case FS_ERROR:
FileCleanup(request, HT_ERROR);
return HT_OK;
break;
}
} /* End of while(1) */
}
PRIVATE int NewsEvent (SOCKET soc, void * pVoid, HTEventType type)
{
news_info *news = (news_info *)pVoid;
int status = HT_ERROR;
HTNet * net = news->net;
HTRequest * request = HTNet_request(net);
HTParentAnchor * anchor = HTRequest_anchor(request);
char * url = HTAnchor_physical(anchor);
HTHost * host = HTNet_host(net);
/*
** Initiate a new nntp structure and bind to request structure
** This is actually state NNTP_BEGIN, but it can't be in the state
** machine as we need the structure first.
*/
if (type == HTEvent_CLOSE) { /* Interrupted */
HTRequest_addError(request, ERR_FATAL, NO, HTERR_INTERRUPTED,
NULL, 0, "HTLoadHTTP");
HTNewsCleanup(request, HT_INTERRUPTED);
return HT_OK;
} else
news = (news_info *) HTNet_context(net); /* Get existing copy */
/* Now jump into the machine. We know the state from the previous run */
while (1) {
switch (news->state) {
case NEWS_BEGIN:
news->state = (!strchr(url, '@') && strchr(url, '*')) ?
NEWS_SEEK_CACHE : NEWS_NEED_CONNECTION;
break;
case NEWS_SEEK_CACHE:
if (HTNewsCache_before(request, NULL, 0) == HT_LOADED)
news->state = NEWS_SUCCESS;
else
news->state = NEWS_NEED_CONNECTION;
break;
case NEWS_NEED_CONNECTION: /* Let's set up a connection */
if (!strncasecomp(url, "news:", 5)) {
HTUserProfile * up = HTRequest_userProfile(request);
char * newshost = HTUserProfile_news(up);
StrAllocCopy(news->name, url+5);
if (newshost) {
char *newshack = NULL; /* Then we can use HTParse :-) */
StrAllocCopy(newshack, "news://");
StrAllocCat(newshack, newshost);
status = HTHost_connect(host, net, (char *) newshack);
host = HTNet_host(net);
HT_FREE(newshack);
} else
news->state = NEWS_ERROR;
} else if (!strncasecomp(url, "nntp:", 5)) {
news->name = HTParse(url, "", PARSE_PATH);
status = HTHost_connect(host, net, url);
host = HTNet_host(net);
} else {
HTTRACE(PROT_TRACE, "News........ Huh?");
news->state = NEWS_ERROR;
}
if (status == HT_OK) {
BOOL greeting = NO;
/* Set up the persistent connection */
if (!HTNet_persistent(net)) {
HTNet_setPersistent(net, YES, HT_TP_SINGLE);
greeting = YES;
}
/*
** Check the protocol class to see if we have connected to a
** the right class of server, in this case HTTP.
*/
{
HTHost * host = HTNet_host(net);
char * s_class = HTHost_class(host);
if (s_class && strcasecomp(s_class, "nntp")) {
HTRequest_addError(request, ERR_FATAL, NO, HTERR_CLASS,
NULL, 0, "HTLoadNews");
news->state = NEWS_ERROR;
break;
}
HTHost_setClass(host, "nntp");
}
/*
** Create the stream pipe FROM the channel to the application.
** The target for the input stream pipe is set up using the
** stream stack.
*/
{
HTStream * rstream = HTNewsStatus_new(request, news, host);
HTNet_setReadStream(net, rstream);
HTRequest_setOutputConnected(request, YES);
}
/*
** Create the stream pipe TO the channel from the application
** and hook it up to the request object
*/
{
HTOutputStream * output = HTNet_getOutput(net, NULL, 0);
HTRequest_setInputStream(request, (HTStream *) output);
}
news->state = greeting ? NEWS_NEED_GREETING : NEWS_NEED_SWITCH;
} else if (status == HT_WOULD_BLOCK || status == HT_PENDING)
return HT_OK;
else
news->state = NEWS_ERROR;
break;
case NEWS_NEED_GREETING:
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_LOADED) {
if (news->repcode/100 == 2)
news->state = NEWS_NEED_SWITCH;
else
news->state = NEWS_ERROR;
} else
news->state = NEWS_ERROR;
break;
case NEWS_NEED_SWITCH:
{
HTMethod method = HTRequest_method(request);
/*
** Find out what to ask the news server. Syntax of address is
** xxx@yyy Article
** <xxx@yyy> Same article
** xxxxx News group (no "@")
*/
if (method == METHOD_GET) {
if (strchr(url, '@')) { /* ARTICLE */
if (*(news->name) != '<') { /* Add '<' and '>' */
char *newart;
if ((newart = (char *) HT_MALLOC(strlen(news->name)+3)) == NULL)
HT_OUTOFMEM("HTLoadNews");
sprintf(newart, "<%s>", news->name);
HT_FREE(news->name);
news->name = newart;
}
news->state = NEWS_NEED_ARTICLE;
} else if (strchr(url, '*'))
news->state = NEWS_NEED_LIST;
else
news->state = NEWS_NEED_GROUP;
} else if (method == METHOD_POST)
news->state = NEWS_NEED_POST;
else {
HTRequest_addError(request, ERR_FATAL, NO,
HTERR_NOT_IMPLEMENTED,NULL, 0,"HTLoadNews");
news->state = NEWS_ERROR;
}
HTUnEscape(news->name);
HTCleanTelnetString(news->name);
}
break;
case NEWS_NEED_ARTICLE:
if (!news->sent) {
status = SendCommand(request, news, "ARTICLE", news->name);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_ERROR)
news->state = NEWS_ERROR;
news->format = WWW_MIME;
/*
** Set the default content type to plain text as news servers
** almost never send any useful information about the length
** of the body or the type - the success of MIME!
*/
HTAnchor_setFormat(anchor, WWW_PLAINTEXT);
news->sent = YES;
} else {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_OK)
news->state = NEWS_NEED_BODY;
else if (status == HT_LOADED) {
news->state = (news->repcode/100 == 2) ?
NEWS_SUCCESS : NEWS_ERROR;
} else
news->state = NEWS_ERROR;
news->sent = NO;
}
break;
#if HT_LISTGROUP
case NEWS_NEED_LGRP:
if (!news->sent) {
status = SendCommand(request, news, "LIST", "NEWSGROUPS");
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_ERROR)
news->state = NEWS_ERROR;
news->format = WWW_NNTP_LIST;
news->sent = YES;
} else {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_OK)
news->state = NEWS_NEED_BODY;
else if (status == HT_LOADED) {
news->state = (news->repcode/100 == 2) ?
NEWS_SUCCESS : NEWS_NEED_LIST;
} else
news->state = NEWS_ERROR;
news->sent = NO;
}
break;
#endif /* HT_LISTGROUP */
case NEWS_NEED_LIST:
if (!news->sent) {
status = SendCommand(request, news, "LIST", NULL);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_ERROR)
news->state = NEWS_ERROR;
news->format = WWW_NNTP_LIST;
news->sent = YES;
} else {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_OK)
news->state = NEWS_NEED_BODY;
else if (status == HT_LOADED) {
news->state = (news->repcode/100 == 2) ?
NEWS_SUCCESS : NEWS_ERROR;
} else
news->state = NEWS_ERROR;
news->sent = NO;
}
break;
case NEWS_NEED_GROUP:
if (!news->sent) {
status = SendCommand(request, news, "GROUP", news->name);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_ERROR)
news->state = NEWS_ERROR;
news->sent = YES;
} else {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_LOADED) {
if (news->repcode/100 == 2) {
if (sscanf(news->reply, "%d%d%d", &news->total,
&news->first, &news->last) == 3) {
if (MaxArt && news->total>MaxArt)
news->last = news->first-MaxArt;
news->current = news->first;
/* If no content in this group */
if (news->first == news->last) {
HTRequest_addError(request, ERR_FATAL, NO,
HTERR_NO_CONTENT,
NULL, 0, "HTLoadNews");
news->state = NEWS_NO_DATA;
break;
}
news->state = NEWS_NEED_XOVER;
} else
news->state = NEWS_ERROR;
} else
news->state = NEWS_ERROR;
} else
news->state = NEWS_ERROR;
news->sent = NO;
}
break;
case NEWS_NEED_XOVER:
if (!news->sent) {
char buf[20];
sprintf(buf, "%d-%d", news->first, news->last);
status = SendCommand(request, news, "XOVER", buf);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_ERROR)
news->state = NEWS_ERROR;
news->format = WWW_NNTP_OVER;
news->sent = YES;
} else {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_OK)
news->state = NEWS_NEED_BODY;
else if (status == HT_LOADED) {
if (news->repcode/100 == 2)
news->state = NEWS_SUCCESS;
else {
news->format = WWW_NNTP_HEAD;
news->state = NEWS_NEED_HEAD;
}
} else
news->state = NEWS_ERROR;
news->sent = NO;
}
break;
case NEWS_NEED_HEAD:
if (!news->sent) {
char buf[10];
sprintf(buf, "%d", news->current++);
status = SendCommand(request, news, "HEAD", buf);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_ERROR)
news->state = NEWS_ERROR;
news->sent = YES;
} else {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_LOADED) {
if (news->repcode/100 == 2) {
if (news->current > news->last)
news->state = NEWS_SUCCESS;
} else
news->state = NEWS_ERROR;
} else
news->state = NEWS_ERROR;
news->sent = NO;
}
break;
case NEWS_NEED_POST:
{
HTStream * oldinput = HTRequest_inputStream(request);
HTStream * newinput =
HTNewsPost_new(request, HTBuffer_new(oldinput, request,512));
HTRequest_setInputStream(request, newinput);
/* Remember to convert to CRLF */
}
news->state = NEWS_NEED_BODY;
break;
case NEWS_NEED_BODY:
if (type == HTEvent_WRITE || type == HTEvent_BEGIN) {
if (HTRequest_isDestination(request)) {
HTRequest * source = HTRequest_source(request);
HTNet * srcnet = HTRequest_net(source);
if (srcnet) {
HTHost_register(HTNet_host(srcnet), srcnet, HTEvent_READ);
HTHost_unregister(HTNet_host(srcnet), srcnet, HTEvent_WRITE);
}
return HT_OK;
}
/*
** Should we use the input stream directly or call the post
** callback function to send data down to the network?
*/
{
HTStream * input = HTRequest_inputStream(request);
HTPostCallback * pcbf = HTRequest_postCallback(request);
if (pcbf) {
status = pcbf(request, input);
if (status == HT_PAUSE || status == HT_LOADED)
type = HTEvent_READ;
} else {
status = (*input->isa->flush)(input);
type = HTEvent_READ;
}
if (status == HT_WOULD_BLOCK) return HT_OK;
}
status = request->PostCallback ?
request->PostCallback(request, request->input_stream) :
(*request->input_stream->isa->flush)(request->input_stream);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else
type = HTEvent_READ; /* Trick to ensure that we do READ */
} else if (type == HTEvent_READ) {
status = HTHost_read(HTNet_host(net), net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_LOADED)
news->state = NEWS_SUCCESS;
else
news->state = NEWS_ERROR;
} else {
news->state = NEWS_ERROR;
}
break;
case NEWS_SUCCESS:
HTNewsCleanup(request, HT_LOADED);
return HT_OK;
break;
case NEWS_NO_DATA:
HTNewsCleanup(request, HT_NO_DATA);
return HT_OK;
break;
case NEWS_ERROR:
HTNewsCleanup(request, HT_NOT_FOUND);
return HT_OK;
break;
}
} /* End of while(1) */
}
PRIVATE int ServEvent (SOCKET soc, void * pVoid, HTEventType type)
{
https_info * http = (https_info *)pVoid;
int status = HT_ERROR;
HTNet * net = http->net;
HTRequest * request = HTNet_request(net);
if (!net || !request) {
HTTRACE(PROT_TRACE, "Serv HTTP... Invalid argument\n");
return HT_ERROR;
}
if (type == HTEvent_CLOSE) { /* Interrupted */
ServerCleanup(request, net, HT_INTERRUPTED);
return HT_OK;
} else
http = (https_info *) HTNet_context(net); /* Get existing copy */
/* Now jump into the machine. We know the state from the previous run */
while (1) {
switch (http->state) {
case HTTPS_BEGIN:
{
/*
** Create the request to handle the request and inherit the old
** context
*/
HTRequest * client = HTRequest_new();
void * context = HTRequest_context(request);
if (context) HTRequest_setContext(client, context);
HTRequest_setOutputConnected(client, NO);
HTRequest_setGnHd(client, HTRequest_gnHd(request));
HTRequest_setRsHd(client, HTRequest_rsHd(request));
HTRequest_setEnHd(client, HTRequest_enHd(request));
HTList_addObject(http->clients, client);
/*
** Create the HTTP output stream for generating the reply
** FROM the client request to the channel
*/
{
HTOutputStream * output = HTNet_getOutput(net, NULL, 0);
HTStream * app = HTTPReply_new(client, http,(HTStream*)output);
HTRequest_setOutputStream(client, app);
HTRequest_setOutputFormat(client, WWW_SOURCE);
}
http->state = HTTPS_NEED_REQUEST;
}
break;
case HTTPS_NEED_REQUEST:
if (type == HTEvent_READ || type == HTEvent_BEGIN) {
status = HTHost_read(net->host, net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status == HT_CLOSED)
http->state = HTTPS_OK;
else if (status==HT_LOADED || status==HT_PAUSE) {
http->state = HTTPS_LOAD_CLIENT;
} else
http->state = HTTPS_ERROR;
} else
http->state = HTTPS_ERROR;
break;
case HTTPS_LOAD_CLIENT:
{
HTRequest * client = HTList_removeFirstObject(http->clients);
HTLoad(client, NO);
http->state = HTTPS_BEGIN;
break;
}
case HTTPS_OK:
ServerCleanup(request, net, HT_IGNORE);
return HT_OK;
case HTTPS_ERROR:
ServerCleanup(request, net, HT_ERROR);
return HT_OK;
}
}
}
PRIVATE int SocketEvent (SOCKET soc, void * pVoid, HTEventType type)
{
raw_info * raw = (raw_info *) pVoid;
int status = HT_ERROR;
HTNet * net = raw->net;
HTRequest * request = raw->request;
HTHost * host = HTNet_host(net);
/*
** Check whether we have been interrupted or timed out
*/
if (type == HTEvent_BEGIN) {
raw->state = RAW_BEGIN;
} else if (type == HTEvent_CLOSE) { /* Interrupted */
RawCleanup(request, HT_INTERRUPTED);
return HT_OK;
} else if (type == HTEvent_TIMEOUT) {
HTRequest_addError(request, ERR_FATAL, NO, HTERR_TIME_OUT,
NULL, 0, "HTLoadSocket");
RawCleanup(request, HT_TIMEOUT);
return HT_OK;
} else if (type == HTEvent_END) {
RawCleanup(request, HT_OK);
return HT_OK;
}
/* Now jump into the state machine */
while (1) {
switch(raw->state) {
case RAW_BEGIN:
status = HTHost_accept(host, net, NULL);
host = HTNet_host(net);
if (status == HT_OK) {
raw->state = RAW_NEED_STREAM;
} else if (status == HT_WOULD_BLOCK || status == HT_PENDING) {
return HT_OK;
} else
raw->state = RAW_ERROR; /* Error or interrupt */
break;
case RAW_NEED_STREAM:
{
/*
** Create the stream pipe FROM the channel to the application.
** The target for the input stream pipe is set up using the
** stream stack.
*/
HTStream * in_stream =
HTStreamStack(WWW_RAW,
HTRequest_outputFormat(request),
HTRequest_outputStream(request),
request, YES);
HTNet_setReadStream(net, in_stream);
HTRequest_setOutputConnected(request, YES);
raw->state = RAW_READ;
break;
}
case RAW_READ:
status = HTHost_read(host, net);
if (status == HT_WOULD_BLOCK)
return HT_OK;
else if (status==HT_CLOSED)
raw->state = RAW_OK;
else
raw->state = RAW_ERROR;
break;
case RAW_OK:
RawCleanup(request, HT_OK);
return HT_OK;
break;
case RAW_ERROR:
RawCleanup(request, HT_ERROR);
return HT_OK;
break;
default:
HTDEBUGBREAK("Bad raw state %d\n" _ raw->state);
}
}
return HT_OK;
}
