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/*
Copyright (C) 2009,2015,2016 Alois Schloegl <alois.schloegl@gmail.com>
This file is part of the "BioSig for C/C++" repository
(biosig4c++) at http://biosig.sf.net/
BioSig is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <errno.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include "biosig-network.h"
#ifdef _WIN32
#define TC (char*) // WINSOCK's send and recv require (char*)buf
#if 0
/*
these functions have a different name under windows,
MinGW für windows requires these
*/
int creat(const char *path, mode_t mode) {
// return(OpenFile(path, O_WRONLY|O_CREAT|O_TRUNC, mode));
return(OpenFile(path, , OF_WRITE|OF_CREAT ));
}
ssize_t write(int fildes, const void *buf, size_t nbyte) {
ssize_t sz;
WriteFile(fildes, buf, nbyte, &sz, NULL)
return(sz);
}
int close(int fildes) {
return(CloseFile(fildes)); {
}
// the following ones are not used
/*
int open(const char *path, int oflag) {
return(OpenFile(path, oflag));
}
int open(const char *path, int oflag, mode_t mode ) {
return(OpenFile(path, oflag, mode));
}
ssize_t read(int fildes, const void *buf, size_t nbyte) {
return(ReadFile(fildes, buf, nbyte));
}
*/
#endif
#else
#define TC
#endif
uint64_t B4C_ID=0; // ID of currently open file
const char *B4C_HOSTNAME = NULL;
uint32_t SERVER_STATE; // state of server, useful for preliminary error checking
/*
converts 64bit integer into hex string
*/
int c64ta(uint64_t ID, char *txt) {
const char hex[] = "0123456789abcdef";
int k=(BSCS_ID_BITLEN>>2)-1;
for (; k>=0; k--) {
txt[k] = hex[ID & 0x0f];
ID>>=4;
}
txt[BSCS_ID_BITLEN>>2] = 0;
if (VERBOSE_LEVEL>8) fprintf(stdout,"c64ta: ID=%016"PRIx64" TXT=%s\n",ID,txt);
return 0;
}
/*
converts hex string into 64bit integer
*/
int cat64(char* txt, uint64_t *id) {
uint64_t ID = 0;
int k = 0;
for (; txt[k] && (k<(BSCS_ID_BITLEN>>2));k++) {
ID<<=4;
if (isdigit(txt[k]))
ID += txt[k]-'0';
else if (isxdigit(txt[k]))
ID += toupper(txt[k])-'A'+10;
else {
*id = -1;
return(-1);
}
}
*id = ID;
if (VERBOSE_LEVEL>8) fprintf(stdout,"cat64: ID=%016"PRIx64" TXT=%s\n",ID,txt);
return(0);
}
// get sockaddr, IPv4 or IPv6:
void *get_in_addr(struct sockaddr *sa)
{
if (sa->sa_family == AF_INET) {
return &(((struct sockaddr_in*)sa)->sin_addr);
}
#ifndef _WIN32
return &(((struct sockaddr_in6*)sa)->sin6_addr);
#else
return(NULL);
#endif
}
/****************************************************************************************
OPEN CONNECTION TO SERVER
****************************************************************************************/
int bscs_connect(const char* hostname) {
int sd;
struct sockaddr_in localAddr;
if (hostname==NULL) hostname = "129.27.3.99";
B4C_HOSTNAME = hostname;
#ifdef _WIN32
WSADATA wsadata;
if (WSAStartup(MAKEWORD(1,1), &wsadata) == SOCKET_ERROR) {
fprintf(stderr,"Error creating socket.");
return(BSCS_CANNOT_CONNECT);
}
#endif
int status;
#if 1 // IPv4 and IPv6
struct addrinfo hints;
struct addrinfo *result, *p;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
hints.ai_socktype = SOCK_STREAM; // TCP stream sockets
hints.ai_flags = 0;
hints.ai_protocol = 0; /* Any protocol */
status = getaddrinfo(hostname, NULL, &hints, &result);
if (status != 0) {
fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
return(BSCS_UNKNOWN_HOST);
}
// loop through all the results and connect to the first we can
#ifndef NI_MAXHOST
#define NI_MAXHOST 1025
#endif
for(p = result; p != NULL; p = p->ai_next) {
char hostname1[NI_MAXHOST] = "";
int error = getnameinfo(p->ai_addr, p->ai_addrlen, hostname1, NI_MAXHOST, NULL, 0, 0);
if (*hostname1)
printf("hostname: %s\n", hostname1);
if ((sd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
perror("client: socket");
continue;
}
if (connect(sd, p->ai_addr, p->ai_addrlen) != -1)
break;
close(sd);
}
if (p == NULL) {
fprintf(stderr, "client: failed to connect\n");
#ifdef _WIN32
WSACleanup();
#endif
return(BSCS_CANNOT_CONNECT);
}
char s[INET6_ADDRSTRLEN];
#if !defined(_WIN32)
// FIXME: does not compile with MXE for TARGET "i686-w64-mingw32.static"
inet_ntop(p->ai_family, get_in_addr((struct sockaddr *)p->ai_addr), s, sizeof(s));
#else
strcpy(s," [Icannot get server name - NET_NTOP() not available]");
#endif
printf("client: connecting to %s\n", s);
freeaddrinfo(result); // all done with this structure
#else
// IPv4 only
struct hostent *h;
struct sockaddr_in sain;
h = gethostbyname(hostname);
if(h==NULL) return(BSCS_UNKNOWN_HOST);
sain.sin_family = h->h_addrtype;
memcpy((char *) &sain.sin_addr.s_addr, h->h_addr_list[0],h->h_length);
sain.sin_port = htons(SERVER_PORT);
/* create socket */
sd = socket(AF_INET, SOCK_STREAM, 0);
if(sd<0) return(BSCS_CANNOT_OPEN_SOCKET);
/* bind any port number */
localAddr.sin_family = AF_INET;
localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
localAddr.sin_port = htons(0);
/* connect to server */
int rc = connect(sd, (struct sockaddr *) &sain, sizeof(sain));
if(rc<0) return(BSCS_CANNOT_CONNECT);
#endif
/* identification */
mesg_t msg;
recv(sd,TC&msg,8,0);
int len = be32toh(msg.LEN);
if ((msg.STATE & (VER_MASK|CMD_MASK)) != (BSCS_VERSION_01 | BSCS_SEND_MSG)) // currently only V0.1 is supported
{
close(sd);
return(BSCS_SERVER_NOT_SUPPORTED);
}
char *greeting = (char*)malloc(len+1);
recv(sd,greeting,len,0);
greeting[len]=0;
//fprintf(stdout,"%s",greeting);
free(greeting);
return(sd);
}
/****************************************************************************************
CLOSE CONNECTION TO SERVER
****************************************************************************************/
int bscs_disconnect(int sd) {
close(sd);
#ifdef _WIN32
WSACleanup();
#endif
}
int send_packet(int sd, uint32_t state, uint32_t len, void* load) {
mesg_t msg;
msg.STATE = state;
msg.LEN = htobe32(len);
send(sd, TC &msg, 8, 0);
if (len>0) send(sd, TC load, len, 0);
}
/*
stores a bscs link file on client side for the
currently open network file is stored in the directory "/tmp/"
*/
int savelink(const char* filename) {
if ((SERVER_STATE & STATE_MASK)==STATE_INIT) return(-1);
char *logpath = "/tmp/"; // perhaps some other directory
const char *ext = ".bscs";
const char *fn = strrchr(filename,FILESEP);
if (fn==NULL) fn = filename;
else fn++;
size_t l1 = strlen(logpath);
size_t l2 = strlen(fn);
size_t l3 = strlen(ext);
size_t l4 = 10;
char *logfile = (char*)malloc(l1+l2+l3+l4+1);
memcpy(logfile, logpath, l1);
memcpy(logfile+l1, fn, l2);
strcpy(logfile+l1+l2, ext);
int k=0;
size_t sl = strlen(logfile);
FILE *fid;
// check whether file already exists
while ((fid=fopen(logfile,"r")) != NULL) {
fclose(fid);
snprintf(logfile+sl, l4, ".%i", k);
k++;
}
errno = 0; // fopen caused errno=2; reset errno
fprintf(stdout,"savelink %s\n",logfile);
fid = fopen(logfile,"w");
fprintf(fid,"bscs://%s/%016"PRIx64"\n",B4C_HOSTNAME,B4C_ID);
fclose(fid);
free(logfile);
}
/****************************************************************************************
OPEN FILE with ID
****************************************************************************************/
int bscs_open(int sd, uint64_t* ID) {
if (SERVER_STATE != STATE_INIT) return(BSCS_ERROR);
size_t LEN;
mesg_t msg;
if (*ID==0) {
msg.STATE = BSCS_VERSION_01 | BSCS_OPEN_W | STATE_INIT | BSCS_NO_ERROR;
LEN = 0;
}
else {
msg.STATE = BSCS_VERSION_01 | BSCS_OPEN_R | STATE_INIT | BSCS_NO_ERROR;
*(uint64_t*)&msg.LOAD = leu64p(ID);
LEN = BSCS_ID_BITLEN>>3;
}
if (VERBOSE_LEVEL>8) fprintf(stdout,"open: %16"PRIx64" %016"PRIx64"\n",*ID,*(uint64_t*)&(msg.LOAD));
msg.LEN = htobe32(LEN);
int s = send(sd, TC &msg, LEN+8, 0);
// wait for reply
ssize_t count = 0;
count = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if (VERBOSE_LEVEL>8) fprintf(stdout,"BSCS_OPEN %i:%"PRIiPTR": ID=%16"PRIx64" LEN=%"PRIx32" STATE=0x%08"PRIx32"\n",s,count,*ID,msg.LEN,be32toh(msg.STATE));
if ((*ID==0) && (LEN==8) && (msg.STATE==(BSCS_VERSION_01 | BSCS_OPEN_W | BSCS_REPLY | STATE_OPEN_WRITE_HDR | BSCS_NO_ERROR)) )
{
// write access: get new ID
count += recv(sd, TC ID, LEN, 0);
*ID = htole64(*ID);
B4C_ID = *ID;
return(0);
}
if ((*ID != 0) && (LEN==0) && (msg.STATE==(BSCS_VERSION_01 | BSCS_OPEN_R | BSCS_REPLY | STATE_OPEN_READ | BSCS_NO_ERROR)) )
{
; // read access
return(0);
}
uint8_t buf[8];
count = 0;
while (LEN > (size_t)count) {
count += recv(sd, TC &buf, min(8,LEN-count), 0);
// invalid packet or error opening file
}
if (VERBOSE_LEVEL>7) fprintf(stdout,"ERR: state= %08"PRIx32" %08"PRIx32" len=%"PRIiPTR"\n",htobe32(msg.STATE),BSCS_VERSION_01 | BSCS_OPEN_R | BSCS_REPLY | STATE_OPEN_READ | BSCS_NO_ERROR,LEN);
return(msg.STATE);
}
/****************************************************************************************
CLOSE FILE
****************************************************************************************/
int bscs_close(int sd) {
int s;
size_t LEN;
mesg_t msg;
msg.STATE = BSCS_VERSION_01 | BSCS_CLOSE | BSCS_NO_ERROR | SERVER_STATE;
if (VERBOSE_LEVEL>8) fprintf(stdout,"close1: %08"PRIx32" \n",msg.STATE);
msg.LEN = htobe32(0);
if (VERBOSE_LEVEL>8) fprintf(stdout,"close2: %08"PRIx32" %"PRIiPTR" %"PRIi32"\n",msg.STATE,sizeof(msg),msg.LEN);
s = send(sd, TC &msg, 8, 0);
if (VERBOSE_LEVEL>8) fprintf(stdout,"close3: %08"PRIx32" %i\n",msg.STATE,s);
// wait for reply
s = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if (VERBOSE_LEVEL>8) fprintf(stdout,"s=%i state= %08"PRIx32" len=%"PRIiPTR" %i %08"PRIx32"\n",s,msg.STATE & ~STATE_MASK,LEN,s,(BSCS_VERSION_01 | BSCS_CLOSE | BSCS_REPLY));
if ((LEN==0) && ((msg.STATE & ~STATE_MASK)==(BSCS_VERSION_01 | BSCS_CLOSE | BSCS_REPLY | BSCS_NO_ERROR)) )
// close without error
return(0);
if ((LEN==0) && ((msg.STATE & ~STATE_MASK & ~ERR_MASK)==(BSCS_VERSION_01 | BSCS_CLOSE | BSCS_REPLY)) )
// close with error
return(msg.STATE & ERR_MASK);
// invalid packet or error opening file
if (VERBOSE_LEVEL>8) fprintf(stdout,"ERR: state= %08"PRIx32" len=%"PRIiPTR"\n",msg.STATE,LEN);
return(msg.STATE);
}
/****************************************************************************************
SEND HEADER
****************************************************************************************/
int bscs_send_hdr(int sd, HDRTYPE *hdr) {
/* hdr->AS.Header must contain GDF header information
hdr->HeadLen must contain header length
-------------------------------------------------------------- */
// ToDo: convert HDR into AS.Header
if (SERVER_STATE != STATE_OPEN_WRITE_HDR) return(BSCS_ERROR);
mesg_t msg;
hdr->TYPE = GDF;
hdr->FLAG.ANONYMOUS = 1; // do not store name
struct2gdfbin(hdr);
msg.STATE = BSCS_VERSION_01 | BSCS_SEND_HDR | STATE_OPEN_WRITE_HDR | BSCS_NO_ERROR;
msg.LEN = htobe32(hdr->HeadLen);
int s = send(sd, TC &msg, 8, 0);
if (VERBOSE_LEVEL>8) fprintf(stdout,"SND HDR %i %i\n",hdr->HeadLen,s);
s = send(sd, TC hdr->AS.Header, hdr->HeadLen, 0);
if (VERBOSE_LEVEL>8) fprintf(stdout,"SND HDR %i %i\n",hdr->HeadLen,s);
// wait for reply
ssize_t count = recv(sd, TC &msg, 8, 0);
if (VERBOSE_LEVEL>8) fprintf(stdout,"SND HDR %i %i %"PRIiPTR" %08"PRIx32"\n",hdr->HeadLen,s,count,msg.STATE);
size_t LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if ((LEN==0) && (msg.STATE==(BSCS_VERSION_01 | BSCS_SEND_HDR | BSCS_REPLY | STATE_OPEN_WRITE | BSCS_NO_ERROR)) )
// close without error
return(0);
if ((LEN==0) && ((msg.STATE & ~ERR_MASK)==(BSCS_VERSION_01 | BSCS_SEND_HDR | BSCS_REPLY | STATE_OPEN_WRITE_HDR)) )
// could not write header
return((msg.STATE & ~ERR_MASK) | BSCS_ERROR_COULD_NOT_WRITE_HDR);
// invalid packet or error opening file
return(msg.STATE);
}
/****************************************************************************************
SEND DATA
****************************************************************************************/
int bscs_send_dat(int sd, void* buf, size_t len ) {
if (SERVER_STATE != STATE_OPEN_WRITE) return(BSCS_ERROR);
size_t LEN;
mesg_t msg;
msg.STATE = BSCS_VERSION_01 | BSCS_SEND_DAT | STATE_OPEN_WRITE | BSCS_NO_ERROR;
msg.LEN = htobe32(len);
if (VERBOSE_LEVEL>8) fprintf(stdout,"SND DAT %"PRIiPTR" %08"PRIx32"\n",len,msg.STATE);
ssize_t s;
s = send(sd, TC &msg, 8, 0);
s = send(sd, TC buf, len, 0);
if (errno) fprintf(stdout,"SND DAT ERR=%i %s\n",errno,strerror(errno));
if (VERBOSE_LEVEL>8) fprintf(stdout,"SND DAT %"PRIiPTR" %08"PRIx32" %"PRIiPTR" \n",len,msg.STATE,s);
// wait for reply
s = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if (VERBOSE_LEVEL>8) fprintf(stdout,"SND DAT RPLY %"PRIiPTR" %08"PRIx32" \n",s,msg.STATE);
if ((LEN==0) && (msg.STATE==(BSCS_VERSION_01 | BSCS_SEND_DAT | BSCS_REPLY | STATE_OPEN_WRITE | BSCS_NO_ERROR)) )
// end without error
return(0);
if (LEN>0)
return (BSCS_VERSION_01 | BSCS_SEND_DAT | BSCS_REPLY | STATE_OPEN_WRITE | BSCS_INCORRECT_REPLY_PACKET_LENGTH);
if ((msg.STATE & ~ERR_MASK)==(BSCS_VERSION_01 | BSCS_SEND_DAT | BSCS_REPLY | STATE_OPEN_WRITE))
// could not write header
return ((msg.STATE & ~ERR_MASK) | BSCS_ERROR_COULD_NOT_WRITE_DAT);
// invalid packet or error opening file
return(msg.STATE);
}
/****************************************************************************************
SEND EVENTS
****************************************************************************************/
int bscs_send_evt(int sd, HDRTYPE *hdr) {
if (SERVER_STATE != STATE_OPEN_WRITE) return(BSCS_ERROR);
int sze;
char flag;
size_t LEN;
mesg_t msg;
if ((hdr->EVENT.DUR!=NULL) && (hdr->EVENT.CHN!=NULL)) {
sze = 12;
flag = 3;
} else {
sze = 6;
flag = 1;
}
size_t len = hdrEVT2rawEVT(hdr);
if (VERBOSE_LEVEL>8) fprintf(stdout,"write evt: len=%"PRIiPTR"\n",len);
msg.STATE = BSCS_VERSION_01 | BSCS_SEND_EVT | STATE_OPEN_WRITE | BSCS_NO_ERROR;
msg.LEN = htobe32(len);
int s1 = send(sd, TC &msg, 8, 0);
int s2 = send(sd, TC hdr->AS.rawEventData, len, 0);
if (VERBOSE_LEVEL>8) fprintf(stdout,"write evt2: %08"PRIx32" len=%"PRIiPTR"\n",msg.STATE,len);
// wait for reply
ssize_t count = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if (VERBOSE_LEVEL>8) fprintf(stdout,"write evt2: %08"PRIx32" len=%"PRIiPTR" count=%"PRIiPTR"\n",msg.STATE,LEN,count);
if ((LEN==0) && (msg.STATE==(BSCS_VERSION_01 | BSCS_SEND_EVT | BSCS_REPLY | STATE_OPEN_WRITE | BSCS_NO_ERROR)) )
// close without error
return(0);
if (LEN>0)
return (BSCS_VERSION_01 | BSCS_SEND_EVT | BSCS_REPLY | STATE_OPEN_WRITE | BSCS_INCORRECT_REPLY_PACKET_LENGTH);
if (msg.STATE & ERR_MASK)
// could not write evt
return (BSCS_ERROR_COULD_NOT_WRITE_EVT);
// invalid packet or error opening file
return(msg.STATE);
}
/****************************************************************************************
REQUEST HEADER
****************************************************************************************/
int bscs_requ_hdr(int sd, HDRTYPE *hdr) {
mesg_t msg;
int count;
if (SERVER_STATE != STATE_OPEN_READ) return(BSCS_ERROR);
msg.STATE = BSCS_VERSION_01 | BSCS_REQU_HDR | BSCS_NO_ERROR | (SERVER_STATE & STATE_MASK);
msg.LEN = 0;
count = send(sd, TC &msg, 8, 0);
count = recv(sd, TC &msg, 8, 0);
hdr->HeadLen = be32toh(msg.LEN);
hdr->AS.Header = (uint8_t*)realloc(hdr->AS.Header,hdr->HeadLen);
hdr->TYPE = GDF;
count = 0;
while (hdr->HeadLen > (size_t)count) {
count += recv(sd, TC hdr->AS.Header+count, hdr->HeadLen-count, 0);
}
if (VERBOSE_LEVEL>8) fprintf(stdout,"REQ HDR: %i %s\n",count,GetFileTypeString(hdr->TYPE));
hdr->FLAG.ANONYMOUS = 1; // do not store name
gdfbin2struct(hdr);
return(count-hdr->HeadLen);
}
/****************************************************************************************
REQUEST DATA
****************************************************************************************/
ssize_t bscs_requ_dat(int sd, size_t start, size_t length, HDRTYPE *hdr) {
/*
bufsiz should be equal to hdr->AS.bpb*length
*/
mesg_t msg;
size_t LEN;
if (SERVER_STATE != STATE_OPEN_READ) return(BSCS_ERROR);
msg.STATE = BSCS_VERSION_01 | BSCS_REQU_DAT | BSCS_NO_ERROR | (SERVER_STATE & STATE_MASK);
msg.LEN = htobe32(8);
leu32a(length,msg.LOAD+0);
leu32a(start, msg.LOAD+4);
int s = send(sd, TC &msg, 16, 0);
ssize_t count = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
hdr->AS.rawdata = (uint8_t*) realloc(hdr->AS.rawdata,LEN);
count = 0;
while (LEN > (size_t)count) {
count += recv(sd, TC hdr->AS.rawdata+count, LEN-count, 0);
}
hdr->AS.first = start;
if (VERBOSE_LEVEL>8) fprintf(stdout,"REQ DAT: %"PRIiPTR" %i\n",count,hdr->AS.bpb);
hdr->AS.length= (hdr->AS.bpb ? (size_t)count/hdr->AS.bpb : length);
if (VERBOSE_LEVEL>8) fprintf(stdout,"REQ DAT: %"PRIiPTR" %"PRIiPTR"\n",hdr->AS.first,hdr->AS.length);
return(0);
}
/****************************************************************************************
REQUEST EVENT TABLE
****************************************************************************************/
int bscs_requ_evt(int sd, HDRTYPE *hdr) {
mesg_t msg;
size_t LEN;
if (VERBOSE_LEVEL>8) fprintf(stdout,"REQ EVT %08x %08x\n",SERVER_STATE, STATE_OPEN_READ);
if (SERVER_STATE != STATE_OPEN_READ) return(BSCS_ERROR);
msg.STATE = BSCS_VERSION_01 | BSCS_REQU_EVT | BSCS_NO_ERROR | (SERVER_STATE & STATE_MASK);
msg.LEN = htobe32(0);
int s = send(sd, TC &msg, 8, 0);
// wait for reply
s = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
if (VERBOSE_LEVEL>8) fprintf(stdout,"REQ EVT: %i %"PRIiPTR" \n",s,LEN);
if (LEN>0) {
hdr->AS.rawEventData = (uint8_t*)realloc(hdr->AS.rawEventData,LEN);
int count = 0;
while (LEN > (size_t)count) {
count += recv(sd, TC hdr->AS.rawEventData+count, LEN-count, 0);
}
rawEVT2hdrEVT(hdr, count); // TODO: replace this function because it is inefficient
}
if (VERBOSE_LEVEL>8) fprintf(stdout,"REQ EVT: %i %"PRIiPTR" \n",s,LEN);
#if 0
uint8_t *buf = hdr->AS.rawEventData;
if (hdr->VERSION < 1.94) {
if (buf[1] | buf[2] | buf[3])
hdr->EVENT.SampleRate = buf[1] + (buf[2] + buf[3]*256.0)*256.0;
else {
fprintf(stdout,"Warning GDF v1: SampleRate in Eventtable is not set in %s !!!\n",hdr->FileName);
hdr->EVENT.SampleRate = hdr->SampleRate;
}
hdr->EVENT.N = leu32p(buf + 4);
}
else {
hdr->EVENT.N = buf[1] + (buf[2] + buf[3]*256)*256;
hdr->EVENT.SampleRate = lef32p(buf + 4);
}
int sze = (buf[0]>1) ? 12 : 6;
hdr->EVENT.POS = (uint32_t*) realloc(hdr->EVENT.POS, hdr->EVENT.N*sizeof(*hdr->EVENT.POS) );
hdr->EVENT.TYP = (uint16_t*) realloc(hdr->EVENT.TYP, hdr->EVENT.N*sizeof(*hdr->EVENT.TYP) );
#endif
return(0);
}
/****************************************************************************************
PUT FILE
****************************************************************************************/
int bscs_put_file(int sd, char *filename) {
size_t LEN;
mesg_t msg;
if (SERVER_STATE != STATE_OPEN_WRITE_HDR) return(BSCS_ERROR);
struct stat FileBuf;
stat(filename,&FileBuf);
LEN = FileBuf.st_size;
if (VERBOSE_LEVEL>8) fprintf(stdout,"PUT FILE(1) %s\n",filename);
// int sdi = open(filename,O_RDONLY);
// if (sdi<=0) return(BSCS_ERROR);
FILE *fid = fopen(filename,"r");
if (fid==NULL) return(BSCS_ERROR);
msg.STATE = BSCS_VERSION_01 | BSCS_PUT_FILE | STATE_OPEN_WRITE_HDR | BSCS_NO_ERROR;
msg.LEN = htobe32(LEN);
int s1 = send(sd, TC &msg, 8, 0);
//if (VERBOSE_LEVEL>8) fprintf(stdout,"PUT FILE(2) %i %i\n",LEN,sdi);
const unsigned BUFLEN = 1024;
char buf[BUFLEN];
size_t count = 0;
while (count<LEN) {
//size_t len = read(sdi, buf, min(LEN-count,BUFLEN));
size_t len = fread( buf, 1, min(LEN - count, BUFLEN), fid);
count += send(sd, buf, len, 0);
// fprintf(stdout,"\b\b\b\b%02i%% ",100.0*count/LEN);
}
//close(sdi);
fclose(fid);
if (LEN-count) fprintf(stdout,"file size and number of sent bytes do not fit");
// wait for reply
count = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if (VERBOSE_LEVEL>7) fprintf(stdout,"%"PRIiPTR" LEN=%"PRIiPTR" %08x %08x %08x %08x\n",count,LEN,msg.STATE, BSCS_PUT_FILE | BSCS_REPLY , STATE_INIT, (BSCS_VERSION_01 | BSCS_PUT_FILE | BSCS_REPLY | STATE_INIT | BSCS_NO_ERROR));
if ((LEN==0) && (msg.STATE==(BSCS_VERSION_01 | BSCS_PUT_FILE | BSCS_REPLY | STATE_INIT | BSCS_NO_ERROR)) )
// close without error
return(0);
if (LEN>0)
return (BSCS_VERSION_01 | BSCS_PUT_FILE | BSCS_REPLY | STATE_INIT | BSCS_ERROR);
// invalid packet or error opening file
return(msg.STATE);
}
/****************************************************************************************
GET FILE
****************************************************************************************/
int bscs_get_file(int sd, uint64_t ID, char *filename) {
size_t LEN;
mesg_t msg;
#if _WIN32
mode_t mode = S_IRUSR | S_IWUSR;
#else
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
#endif
int sdo = creat(filename, mode);
if (VERBOSE_LEVEL>7) fprintf(stdout,"get file (1) %i\n",sdo);
msg.STATE = BSCS_VERSION_01 | BSCS_GET_FILE | STATE_INIT | BSCS_NO_ERROR;
leu64a(ID, &msg.LOAD);
LEN = BSCS_ID_BITLEN>>3;
msg.LEN = htobe32(LEN);
int s = send(sd, TC &msg, LEN+8, 0);
if (VERBOSE_LEVEL>7) fprintf(stdout,"get file (1)\n");
// wait for reply
ssize_t count = recv(sd, TC &msg, 8, 0);
LEN = be32toh(msg.LEN);
SERVER_STATE = msg.STATE & STATE_MASK;
if (VERBOSE_LEVEL>7) fprintf(stdout,"get file (3) %"PRIiPTR"\n",LEN);
const unsigned BUFLEN = 1024;
char buf[BUFLEN];
count = 0;
size_t len = 0;
while ((size_t)count < LEN) {
size_t len = recv(sd, buf, min(LEN - count,BUFLEN), 0);
count+=write(sdo,buf,len);
}
if (VERBOSE_LEVEL>7) fprintf(stdout,"get file (1) %"PRIiPTR"\n",count);
close(sdo);
if (LEN-count)
return(msg.STATE);
else
// close without error
return(0);
}
/****************************************************************************************
NO OPERATION
****************************************************************************************/
int bscs_nop(int sd) {
size_t LEN;
mesg_t msg;
msg.STATE = BSCS_NOP | SERVER_STATE;
msg.LEN = htobe32(0);
int s = send(sd, TC &msg, 8, 0);
}
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