size_t bufsize; /* size of the data in buffer */
char *rptr; /* read pointer into the buffer */
size_t rcount; /* amount of data left to read of the file */
- long num; /* test case number */
+ long testno; /* test case number */
int ofile; /* file descriptor for output file when uploading to us */
+
+ int writedelay; /* number of seconds between each packet */
};
struct formats {
static int timeout;
static int maxtimeout = 5 * TIMEOUT;
-static unsigned short sendblock; /* block count used by sendtftp() */
-static struct tftphdr *sdp; /* data buffer used by sendtftp() */
-static struct tftphdr *sap; /* ack buffer used by sendtftp() */
-
-static unsigned short recvblock; /* block count used by recvtftp() */
-static struct tftphdr *rdp; /* data buffer used by recvtftp() */
-static struct tftphdr *rap; /* ack buffer used by recvtftp() */
-
#ifdef ENABLE_IPV6
static bool use_ipv6 = FALSE;
#endif
static struct tftphdr *r_init(void);
-static int readit(struct testcase *test,
- struct tftphdr **dpp,
- int convert);
-
-static int writeit(struct testcase *test,
- struct tftphdr **dpp,
- int ct,
- int convert);
-
static void read_ahead(struct testcase *test, int convert);
static ssize_t write_behind(struct testcase *test, int convert);
/* Update count associated with the buffer, get new buffer from the queue.
Calls write_behind only if next buffer not available.
*/
-static int writeit(struct testcase *test, struct tftphdr **dpp,
+static int writeit(struct testcase *test, struct tftphdr * volatile *dpp,
int ct, int convert)
{
bfs[current].counter = ct; /* set size of data to write */
if(!test->ofile) {
char outfile[256];
- snprintf(outfile, sizeof(outfile), "log/upload.%ld", test->num);
+ snprintf(outfile, sizeof(outfile), "log/upload.%ld", test->testno);
test->ofile=open(outfile, O_CREAT|O_RDWR, 0777);
if(test->ofile == -1) {
logmsg("Couldn't create and/or open file %s for upload!", outfile);
return 0;
}
+/* Based on the testno, parse the correct server commands. */
+static int parse_servercmd(struct testcase *req)
+{
+ FILE *stream;
+ char *filename;
+ int error;
+
+ filename = test2file(req->testno);
+
+ stream=fopen(filename, "rb");
+ if(!stream) {
+ error = errno;
+ logmsg("fopen() failed with error: %d %s", error, strerror(error));
+ logmsg(" [1] Error opening file: %s", filename);
+ logmsg(" Couldn't open test file %ld", req->testno);
+ return 1; /* done */
+ }
+ else {
+ char *orgcmd = NULL;
+ char *cmd = NULL;
+ size_t cmdsize = 0;
+ int num=0;
+
+ /* get the custom server control "commands" */
+ error = getpart(&orgcmd, &cmdsize, "reply", "servercmd", stream);
+ fclose(stream);
+ if(error) {
+ logmsg("getpart() failed with error: %d", error);
+ return 1; /* done */
+ }
+
+ cmd = orgcmd;
+ while(cmd && cmdsize) {
+ char *check;
+ if(1 == sscanf(cmd, "writedelay: %d", &num)) {
+ logmsg("instructed to delay %d secs between packets", num);
+ req->writedelay = num;
+ }
+ else {
+ logmsg("Unknown <servercmd> instruction found: %s", cmd);
+ }
+ /* try to deal with CRLF or just LF */
+ check = strchr(cmd, '\r');
+ if(!check)
+ check = strchr(cmd, '\n');
+
+ if(check) {
+ /* get to the letter following the newline */
+ while((*check == '\r') || (*check == '\n'))
+ check++;
+
+ if(!*check)
+ /* if we reached a zero, get out */
+ break;
+ cmd = check;
+ }
+ else
+ break;
+ }
+ if(orgcmd)
+ free(orgcmd);
+ }
+
+ return 0; /* OK! */
+}
+
+
/*
* Validate file access.
*/
logmsg("requested test number %ld part %ld", testno, partno);
- test->num = testno;
+ test->testno = testno;
+
+ (void)parse_servercmd(test);
file = test2file(testno);
{
int size;
ssize_t n;
+ /* This is volatile to live through a siglongjmp */
+ volatile unsigned short sendblock; /* block count */
+ struct tftphdr *sdp; /* data buffer */
+ struct tftphdr *sap; /* ack buffer */
+
sendblock = 1;
#if defined(HAVE_ALARM) && defined(SIGALRM)
mysignal(SIGALRM, timer);
#ifdef HAVE_SIGSETJMP
(void) sigsetjmp(timeoutbuf, 1);
#endif
+ if(test->writedelay) {
+ logmsg("Pausing %d seconds before %d bytes", test->writedelay,
+ size);
+ wait_ms(1000*test->writedelay);
+ }
+
send_data:
if (swrite(peer, sdp, size + 4) != size + 4) {
logmsg("write");
static void recvtftp(struct testcase *test, struct formats *pf)
{
ssize_t n, size;
+ /* These are volatile to live through a siglongjmp */
+ volatile unsigned short recvblock; /* block count */
+ struct tftphdr * volatile rdp; /* data buffer */
+ struct tftphdr *rap; /* ack buffer */
+
recvblock = 0;
+ rdp = w_init();
#if defined(HAVE_ALARM) && defined(SIGALRM)
mysignal(SIGALRM, timer);
#endif
- rdp = w_init();
rap = &ackbuf.hdr;
do {
timeout = 0;
/*
* Send a nak packet (error message). Error code passed in is one of the
- * standard TFTP codes, or a UNIX errno offset by 100.
+ * standard TFTP codes, or a Unix errno offset by 100.
*/
static void nak(int error)
{