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/*
bprecvfile.c: Test program for receiving a files sent as
a bundle.
*/
/* */
/* Copyright (c) 2008, California Institute of Technology. */
/* All rights reserved. */
/* Author: Scott Burleigh, Jet Propulsion Laboratory */
/* */
#include <bp.h>
#define BPRECVBUFSZ (65536)
typedef struct
{
BpSAP sap;
int running;
} BptestState;
static BptestState *_bptestState(BptestState *newState)
{
void *value;
BptestState *state;
if (newState) /* Add task variable. */
{
value = (void *) (newState);
state = (BptestState *) sm_TaskVar(&value);
}
else /* Retrieve task variable. */
{
state = (BptestState *) sm_TaskVar(NULL);
}
return state;
}
static void handleQuit()
{
BptestState *state;
isignal(SIGINT, handleQuit);
writeMemo("[i] bprecvfile interrupted.");
state = _bptestState(NULL);
bp_interrupt(state->sap);
state->running = 0;
}
static int receiveFile(Sdr sdr, BpDelivery *dlv)
{
static char buffer[BPRECVBUFSZ];
static int fileCount = 0;
int contentLength;
int remainingLength;
char fileName[64];
int testFile = -1;
ZcoReader reader;
int recvLength;
char completionText[80];
fileCount++;
isprintf(fileName, sizeof fileName, "testfile%d", fileCount);
contentLength = zco_source_data_length(sdr, dlv->adu);
testFile = iopen(fileName, O_WRONLY | O_CREAT, 0666);
if (testFile < 0)
{
putSysErrmsg("bprecvfile: can't open test file", fileName);
return -1;
}
zco_start_receiving(dlv->adu, &reader);
remainingLength = contentLength;
oK(sdr_begin_xn(sdr));
while (remainingLength > 0)
{
recvLength = BPRECVBUFSZ;
if (remainingLength < recvLength)
{
recvLength = remainingLength;
}
if (zco_receive_source(sdr, &reader, recvLength, buffer) < 0)
{
putErrmsg("bprecvfile: can't receive bundle content.",
fileName);
close(testFile);
oK(sdr_end_xn(sdr));
return -1;
}
if (write(testFile, buffer, recvLength) < 1)
{
putSysErrmsg("bprecvfile: can't write to test file",
fileName);
close(testFile);
oK(sdr_end_xn(sdr));
return -1;
}
remainingLength -= recvLength;
}
isprintf(completionText, sizeof completionText, "[i] bprecvfile has \
created '%s', size %d.", fileName, contentLength);
writeMemo(completionText);
close(testFile);
if (sdr_end_xn(sdr) < 0)
{
return -1;
}
return 0;
}
#ifdef VXWORKS
int bprecvfile(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
char *ownEid = (char *) a1;
int maxFiles = strtol((char *) a1, NULL, 0);
#else
int main(int argc, char **argv)
{
char *ownEid = (argc > 1 ? argv[1] : NULL);
int maxFiles = (argc > 2 ? strtol(argv[2], NULL, 0) : 0);
#endif
BptestState state = { NULL, 1 };
Sdr sdr;
BpDelivery dlv;
int filesReceived = 0;
if (ownEid == NULL)
{
PUTS("Usage: bprecvfile <own endpoint ID> [<max # files>]");
return 0;
}
if (bp_attach() < 0)
{
putErrmsg("Can't attach to BP.", NULL);
return -1;
}
if (bp_open(ownEid, &state.sap) < 0)
{
putErrmsg("Can't open own endpoint.", ownEid);
return -1;
}
oK(_bptestState(&state));
sdr = bp_get_sdr();
isignal(SIGINT, handleQuit);
writeMemo("[i] bprecvfile is running.");
while (state.running)
{
if (bp_receive(state.sap, &dlv, BP_BLOCKING) < 0)
{
putErrmsg("bprecvfile bundle reception failed.", NULL);
state.running = 0;
continue;
}
switch (dlv.result)
{
case BpEndpointStopped:
state.running = 0;
break; /* Out of switch. */
case BpPayloadPresent:
filesReceived++;
if (receiveFile(sdr, &dlv) < 0)
{
putErrmsg("bprecvfile cannot continue.", NULL);
state.running = 0;
}
/* Intentional fall-through to default. */
default:
break; /* Out of switch. */
}
if (maxFiles > 0)
{
if (filesReceived == maxFiles)
{
writeMemo("[i] bprecvfile has reached limit.");
state.running = 0;
}
}
bp_release_delivery(&dlv, 1);
}
bp_close(state.sap);
writeErrmsgMemos();
writeMemo("[i] Stopping bprecvfile.");
bp_detach();
return 0;
}
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