vdr-plugin-streamdev/server/connectionHTTP.c
schmirl bb1ac54c87 Set DSCP 41 on stream data packets. WMM capable WLAN accesspoints
should understand this and give precedence. For Internet streaming
it could be used by traffic shapers. Suggested by ollo@vdrportal (#237).
Modified Files:
	server/connectionHTTP.c server/connectionVTP.c tools/socket.c
	tools/socket.h
2007-05-09 09:12:42 +00:00

205 lines
5.2 KiB
C

/*
* $Id: connectionHTTP.c,v 1.12 2007/05/09 09:12:42 schmirl Exp $
*/
#include <ctype.h>
#include "server/connectionHTTP.h"
#include "server/setup.h"
cConnectionHTTP::cConnectionHTTP(void):
cServerConnection("HTTP"),
m_Status(hsRequest),
m_LiveStreamer(NULL),
m_Channel(NULL),
m_Apid(0),
m_StreamType((eStreamType)StreamdevServerSetup.HTTPStreamType),
m_ListChannel(NULL)
{
Dprintf("constructor hsRequest\n");
}
cConnectionHTTP::~cConnectionHTTP()
{
delete m_LiveStreamer;
}
bool cConnectionHTTP::Command(char *Cmd)
{
Dprintf("command %s\n", Cmd);
switch (m_Status) {
case hsRequest:
Dprintf("Request\n");
m_Request = Cmd;
m_Status = hsHeaders;
return true;
case hsHeaders:
if (*Cmd == '\0') {
m_Status = hsBody;
return ProcessRequest();
}
Dprintf("header\n");
return true;
default:
break;
}
return false; // ??? shouldn't happen
}
bool cConnectionHTTP::ProcessRequest(void)
{
Dprintf("process\n");
if (m_Request.substr(0, 4) == "GET " && CmdGET(m_Request.substr(4))) {
switch (m_Job) {
case hjListing:
return Respond("HTTP/1.0 200 OK")
&& Respond("Content-Type: text/html")
&& Respond("")
&& Respond("<html><head><title>VDR Channel Listing</title></head>")
&& Respond("<body><ul>");
case hjTransfer:
if (m_Channel == NULL) {
DeferClose();
return Respond("HTTP/1.0 404 not found");
}
m_LiveStreamer = new cStreamdevLiveStreamer(0);
cDevice *device = GetDevice(m_Channel, 0);
if (device != NULL) {
device->SwitchChannel(m_Channel, false);
if (m_LiveStreamer->SetChannel(m_Channel, m_StreamType, m_Apid)) {
m_LiveStreamer->SetDevice(device);
if (!SetDSCP())
LOG_ERROR_STR("unable to set DSCP sockopt");
if (m_StreamType == stES && (m_Apid != 0 || ISRADIO(m_Channel))) {
return Respond("HTTP/1.0 200 OK")
&& Respond("Content-Type: audio/mpeg")
&& Respond("icy-name: %s", true, m_Channel->Name())
&& Respond("");
} else {
return Respond("HTTP/1.0 200 OK")
&& Respond("Content-Type: video/mpeg")
&& Respond("");
}
}
}
DELETENULL(m_LiveStreamer);
DeferClose();
return Respond("HTTP/1.0 409 Channel not available")
&& Respond("");
}
}
DeferClose();
return Respond("HTTP/1.0 400 Bad Request")
&& Respond("");
}
void cConnectionHTTP::Flushed(void)
{
std::string line;
if (m_Status != hsBody)
return;
switch (m_Job) {
case hjListing:
if (m_ListChannel == NULL) {
Respond("</ul></body></html>");
DeferClose();
m_Status = hsFinished;
return;
}
if (m_ListChannel->GroupSep())
line = (std::string)"<li>--- " + m_ListChannel->Name() + "---</li>";
else {
int index = 1;
line = (std::string)"<li><a href=\"http://" + LocalIp() + ":"
+ (const char*)itoa(StreamdevServerSetup.HTTPServerPort) + "/"
+ StreamTypes[m_StreamType] + "/"
+ (const char*)m_ListChannel->GetChannelID().ToString() + "\">"
+ m_ListChannel->Name() + "</a> ";
for (int i = 0; m_ListChannel->Apid(i) != 0; ++i, ++index) {
line += "<a href=\"http://" + LocalIp() + ":"
+ (const char*)itoa(StreamdevServerSetup.HTTPServerPort) + "/"
+ StreamTypes[m_StreamType] + "/"
+ (const char*)m_ListChannel->GetChannelID().ToString() + "+"
+ (const char*)itoa(index) + "\">("
+ m_ListChannel->Alang(i) + ")</a> ";
}
for (int i = 0; m_ListChannel->Dpid(i) != 0; ++i, ++index) {
line += "<a href=\"http://" + LocalIp() + ":"
+ (const char*)itoa(StreamdevServerSetup.HTTPServerPort) + "/"
+ StreamTypes[m_StreamType] + "/"
+ (const char*)m_ListChannel->GetChannelID().ToString() + "+"
+ (const char*)itoa(index) + "\">("
+ m_ListChannel->Dlang(i) + ")</a> ";
}
line += "</li>";
}
if (!Respond(line.c_str()))
DeferClose();
m_ListChannel = Channels.Next(m_ListChannel);
break;
case hjTransfer:
Dprintf("streamer start\n");
m_LiveStreamer->Start(this);
m_Status = hsFinished;
break;
}
}
bool cConnectionHTTP::CmdGET(const std::string &Opts)
{
const char *sp = Opts.c_str(), *ptr = sp, *ep;
const cChannel *chan;
int apid = 0;
ptr = skipspace(ptr);
while (*ptr == '/')
++ptr;
if (strncasecmp(ptr, "PS/", 3) == 0) {
m_StreamType = stPS;
ptr += 3;
} else if (strncasecmp(ptr, "PES/", 4) == 0) {
m_StreamType = stPES;
ptr += 4;
} else if (strncasecmp(ptr, "TS/", 3) == 0) {
m_StreamType = stTS;
ptr += 3;
} else if (strncasecmp(ptr, "ES/", 3) == 0) {
m_StreamType = stES;
ptr += 3;
} else if (strncasecmp(ptr, "Extern/", 3) == 0) {
m_StreamType = stExtern;
ptr += 7;
}
while (*ptr == '/')
++ptr;
for (ep = ptr + strlen(ptr); ep >= ptr && !isspace(*ep); --ep)
;
std::string filespec = Opts.substr(ptr - sp, ep - ptr);
Dprintf("substr: %s\n", filespec.c_str());
Dprintf("before channelfromstring\n");
if (filespec == "" || filespec.substr(0, 12) == "channels.htm") {
m_ListChannel = Channels.First();
m_Job = hjListing;
} else if ((chan = ChannelFromString(filespec.c_str(), &apid)) != NULL) {
m_Channel = chan;
m_Apid = apid;
Dprintf("Apid is %d\n", apid);
m_Job = hjTransfer;
}
Dprintf("after channelfromstring\n");
return true;
}