int sendHeaderProto(int method, Song **songs, int numSongs, int sock) {
fflush(stdout);
Header header = HEADER__INIT;
unsigned len;
void *buf;
header.method = method;
header.n_songs = numSongs;
header.songs = songs;
len = header__get_packed_size(&header);
buf = malloc(len);
header__pack(&header, buf);
int totalBytesSent = 0;
int numBytesSent = 0;
int network_length = htonl(len);
send(sock, &network_length, LENGTH_PREFIX_SIZE, 0);
/* while there are still bytes left to send */
while(totalBytesSent < len) {
/* send header */
numBytesSent = send(sock, &(buf[totalBytesSent]), len-totalBytesSent, 0);
if(numBytesSent<0)
fatal_error("header send failed");
totalBytesSent+=numBytesSent;
}
free(buf);
//free(header.songs);
return totalBytesSent;
}
void init_msgheader(int id)
{
MS.mh.message_id = 1;
MS.mh.message_flag = id;
mh_length = header__get_packed_size(&MS.mh);
buf_mh = malloc(mh_length);
//printf("%d\n",id);
header__pack(&MS.mh,buf_mh);
//printf("%d,%d\n",sizeof(buf_mh),strlen(buf_mh));
//Header *hd;
//hd = header__unpack(NULL,sizeof(buf_mh),buf_mh);
//printf("id:%d flag:%d\n",hd->message_id,hd->message_flag);
//fwrite(buf_mh,mh_length,1,stdout);
}
/* pass in header struct, send struct as is, at the end of the method the header struct is freed */
int sendHeader(int method,int numBytesToSend,int index, int sock)
{
Header header = HEADER__INIT;
unsigned len;
void *buf;
header.method = method;
/* replace with repeated songs
header.length = numBytesToSend;
header.indexes = index;
*/
len = header__get_packed_size(&header);
buf = malloc(len);
header__pack(&header, buf);
int totalBytesSent = 0;
int numBytesSent = 0;
int network_length = htonl(len);
send(sock, &network_length, LENGTH_PREFIX_SIZE, 0);
/* while there are still bytes left to send */
while(totalBytesSent < len) {
/* send header */
numBytesSent = send(sock, &(buf[totalBytesSent]), len-totalBytesSent, 0);
if(numBytesSent<0)
fatal_error("header send failed");
totalBytesSent+=numBytesSent;
}
free(buf);
return totalBytesSent;
}
