Revision 64144d8f

View differences:

chunk_puller.c
1 1 
#include <platform.h>
2 2 
#include <microhttpd.h>
3 3 

  		




  4
  
  
    
#include <http_default_urls.h>


  		




  5
  4
  
    

  		




  6
  
  
    
struct connection_info_struct {


  		




  
  5
  
    
static struct connection_info_struct {


  		




  7
  6
  
    
  uint8_t *block;


  		




  8
  7
  
    
  int block_size;


  		




  9
  8
  
    
};


  		




  
  9
  
    
static int listen_port = 0;


  		




  
  10
  
    
static char listen_path[256];


  		




  10
  11
  
    

  		




  11
  12
  
    
void request_completed(void *cls, struct MHD_Connection *connection,


  		




  12
  13
  
    
                       void **con_cls, enum MHD_RequestTerminationCode toe) {


  		




  ......




  57
  58
  
    
  }


  		




  58
  59
  
    

  		




  59
  60
  
    
  if(0 == strcmp(method, "POST")) {


  		




  60
  
  
    
    if(0 == strcmp(url, UL_DEFAULT_EXTERNALPLAYER_PATH)) {


  		




  
  61
  
    
    if(0 == strcmp(url, listen_path)) {


  		




  61
  62
  
    
      con_info = (struct connection_info_struct *)*con_cls;


  		




  62
  63
  
    
      if(*upload_data_size > 0) {


  		




  63
  64
  
    
        block = (uint8_t *)malloc(con_info->block_size+*upload_data_size);


  		




  ......




  87
  88
  
    
}


  		




  88
  89
  
    

  		




  89
  90
  
    

  		




  90
  
  
    
struct MHD_Daemon *initChunkPuller() {


  		




  91
  
  
    
  return MHD_start_daemon(MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, UL_DEFAULT_EXTERNALPLAYER_PORT,


  		




  
  91
  
    
struct MHD_Daemon *initChunkPuller(const char *path, const int port) {


  		




  
  92
  
    
  sprintf(listen_path, "%s", path);


  		




  
  93
  
    
  listen_port = port;


  		




  
  94
  
    
printf("starting HTTPD on %s port %d\n", listen_path, listen_port);


  		




  
  95
  
    
  return MHD_start_daemon(MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, listen_port,


  		




  92
  96
  
    
                          NULL, NULL,


  		




  93
  97
  
    
                          &answer_to_connection, NULL, MHD_OPTION_END);


  		




  94
  98
  
    
}


  		












  

    
      chunk_pusher.c
    
  





  21
  21
  
    
	//we need to pack 5 int32s + 2 timeval structs + 1 double


  		




  22
  22
  
    
	static size_t ExternalChunk_header_size = 5*CHUNK_TRANSCODING_INT_SIZE + 2*CHUNK_TRANSCODING_INT_SIZE + 2*CHUNK_TRANSCODING_INT_SIZE + 1*CHUNK_TRANSCODING_INT_SIZE*2;


  		




  23
  23
  
    
	


  		




  24
  
  
    
	//update the chunk len


  		




  
  24
  
    
	//update the chunk len here because here we know the external chunk header size


  		




  25
  25
  
    
	echunk->len = echunk->payload_len + ExternalChunk_header_size;


  		




  26
  26
  
    

  		




  27
  27
  
    
	/* first pack the chunk info that we get from the streamer into an "attributes" block of a regular GRAPES chunk */


  		




  ......




  54
  54
  
    
		gchunk.data = echunk->data;


  		




  55
  55
  
    

  		




  56
  56
  
    
#ifdef NHIO


  		




  57
  
  
    
			write_chunk(&gchunk);


  		




  
  57
  
    
		write_chunk(&gchunk);


  		




  58
  58
  
    
#else


  		




  59
  
  
    
			ret = sendViaCurl(gchunk, ExternalChunk_header_size, echunk, url);


  		




  
  59
  
    
		/* 20 bytes are needed to put the chunk header info on the wire + attributes size + payload */


  		




  
  60
  
    
		ret = sendViaCurl(gchunk, GRAPES_ENCODED_CHUNK_HEADER_SIZE + gchunk.attributes_size + gchunk.size, url);


  		




  60
  61
  
    
#endif


  		




  61
  62
  
    

  		




  62
  63
  
    
		free(grapes_chunk_attributes_block);


  		












  

    
      chunk_pusher_curl.c
    
  





  1
  1
  
    
#include <curl/curl.h>


  		




  2
  2
  
    

  		




  3
  
  
    
#include "external_chunk_transcoding.h"


  		




  
  3
  
    
#include <chunk.h>


  		




  
  4
  
    

  		




  4
  5
  
    
#include "chunker_streamer.h"


  		




  5
  6
  
    

  		




  6
  7
  
    

  		




  7
  8
  
    
void initChunkPusher();


  		




  8
  9
  
    
void finalizeChunkPusher();


  		




  9
  
  
    
int sendViaCurl(Chunk gchunk, size_t attr_size, ExternalChunk *echunk, char *url);


  		




  
  10
  
    
int sendViaCurl(Chunk gchunk, int buffer_size, char *url);


  		




  10
  11
  
    

  		




  11
  12
  
    

  		




  12
  13
  
    
void initChunkPusher() {	


  		




  ......




  18
  19
  
    
	curl_global_cleanup();


  		




  19
  20
  
    
}


  		




  20
  21
  
    

  		




  21
  
  
    

  		




  22
  
  
    
int sendViaCurl(Chunk gchunk, size_t attr_size, ExternalChunk *echunk, char *url) {


  		




  
  22
  
    
int sendViaCurl(Chunk gchunk, int buffer_size, char *url) {


  		




  23
  23
  
    
	//MAKE THE CURL EASY HANDLE GLOBAL? TO REUSE IT?


  		




  24
  24
  
    
	CURL *curl_handle;


  		




  25
  25
  
    
	struct curl_slist *headers=NULL;


  		




  26
  26
  
    
	uint8_t *buffer=NULL;


  		




  27
  
  
    
	size_t buffer_size = 0;


  		




  
  27
  
    

  		




  28
  28
  
    
	int ret = STREAMER_FAIL_RETURN;


  		




  29
  29
  
    

  		




  30
  
  
    
	/* 20 bytes are needed to put the chunk header info on the wire */


  		




  31
  
  
    
	buffer_size = GRAPES_ENCODED_CHUNK_HEADER_SIZE + attr_size + echunk->payload_len;


  		




  32
  30
  
    
	if( (buffer = malloc(buffer_size)) != NULL) {


  		




  33
  31
  
    
		/* encode the GRAPES chunk into network bytes */


  		




  34
  32
  
    
		encodeChunk(&gchunk, buffer, buffer_size);


  		












  

    
      chunker_player.c
    
  





  32
  32
  
    
#include <platform.h>


  		




  33
  33
  
    
#include <microhttpd.h>


  		




  34
  34
  
    

  		




  
  35
  
    
#include <http_default_urls.h>


  		




  35
  36
  
    
#include "chunker_player.h"


  		




  36
  37
  
    
#include "codec_definitions.h"


  		




  37
  38
  
    

  		




  ......




  1070
  1071
  
    
	SDL_PauseAudio(0);


  		




  1071
  1072
  
    
	video_thread = SDL_CreateThread(video_callback,tval);


  		




  1072
  1073
  
    

  		




  1073
  
  
    
	//this thread fetches chunks from the network


  		




  1074
  
  
    
	daemon = initChunkPuller();


  		




  
  1074
  
    
	//this thread fetches chunks from the network by listening to the following path, port


  		




  
  1075
  
    
	daemon = initChunkPuller(UL_DEFAULT_EXTERNALPLAYER_PATH, UL_DEFAULT_EXTERNALPLAYER_PORT);


  		




  1075
  1076
  
    

  		




  1076
  1077
  
    
	// Wait for user input


  		




  1077
  1078
  
    
	while(!quit) {


  		












Also available in:  Unified diff