/*
* Bareos is calling us to do the actual I/O
*/
static bRC pluginIO(bpContext *ctx, struct io_pkt *io)
{
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
if (!p_ctx) {
return bRC_Error;
}
io->status = 0;
io->io_errno = 0;
switch(io->func) {
case IO_OPEN:
bfuncs->DebugMessage(ctx, fi, li, dbglvl, "bpipe-fd: IO_OPEN\n");
if (io->flags & (O_CREAT | O_WRONLY)) {
char *writer_codes = apply_rp_codes(p_ctx);
p_ctx->fd = popen(writer_codes, "w");
bfuncs->DebugMessage(ctx, fi, li, dbglvl, "bpipe-fd: IO_OPEN fd=%d writer=%s\n",
p_ctx->fd, writer_codes);
if (!p_ctx->fd) {
io->io_errno = errno;
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0,
"Open pipe writer=%s failed: ERR=%s\n", writer_codes, strerror(errno));
if (writer_codes) {
free(writer_codes);
}
return bRC_Error;
}
if (writer_codes) {
free(writer_codes);
}
} else {
p_ctx->fd = popen(p_ctx->reader, "r");
bfuncs->DebugMessage(ctx, fi, li, dbglvl, "bpipe-fd: IO_OPEN fd=%p reader=%s\n",
p_ctx->fd, p_ctx->reader);
if (!p_ctx->fd) {
io->io_errno = errno;
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0,
"Open pipe reader=%s failed: ERR=%s\n", p_ctx->reader, strerror(errno));
return bRC_Error;
}
}
bmicrosleep(1,0); /* let pipe connect */
break;
case IO_READ:
if (!p_ctx->fd) {
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0, "Logic error: NULL read FD\n");
return bRC_Error;
}
io->status = fread(io->buf, 1, io->count, p_ctx->fd);
// bfuncs->DebugMessage(ctx, fi, li, dbglvl, "bpipe-fd: IO_READ buf=%p len=%d\n", io->buf, io->status);
if (io->status == 0 && ferror(p_ctx->fd)) {
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0,
"Pipe read error: ERR=%s\n", strerror(errno));
bfuncs->DebugMessage(ctx, fi, li, dbglvl,
"Pipe read error: ERR=%s\n", strerror(errno));
return bRC_Error;
}
break;
case IO_WRITE:
if (!p_ctx->fd) {
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0, "Logic error: NULL write FD\n");
return bRC_Error;
}
// printf("bpipe-fd: IO_WRITE fd=%p buf=%p len=%d\n", p_ctx->fd, io->buf, io->count);
io->status = fwrite(io->buf, 1, io->count, p_ctx->fd);
// printf("bpipe-fd: IO_WRITE buf=%p len=%d\n", io->buf, io->status);
if (io->status == 0 && ferror(p_ctx->fd)) {
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0,
"Pipe write error\n");
bfuncs->DebugMessage(ctx, fi, li, dbglvl,
"Pipe read error: ERR=%s\n", strerror(errno));
return bRC_Error;
}
break;
case IO_CLOSE:
if (!p_ctx->fd) {
bfuncs->JobMessage(ctx, fi, li, M_FATAL, 0, "Logic error: NULL FD on bpipe close\n");
return bRC_Error;
}
io->status = pclose(p_ctx->fd);
break;
case IO_SEEK:
io->offset = p_ctx->offset;
break;
}
return bRC_OK;
}
/*
* Bareos is calling us to do the actual I/O
*/
static bRC pluginIO(bpContext *ctx, struct io_pkt *io)
{
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
if (!p_ctx) {
return bRC_Error;
}
io->status = 0;
io->io_errno = 0;
switch(io->func) {
case IO_OPEN:
Dmsg(ctx, dbglvl, "bpipe-fd: IO_OPEN\n");
if (io->flags & (O_CREAT | O_WRONLY)) {
char *writer_codes = apply_rp_codes(ctx);
p_ctx->pfd = open_bpipe(writer_codes, 0, "w");
Dmsg(ctx, dbglvl, "bpipe-fd: IO_OPEN fd=%p writer=%s\n", p_ctx->pfd, writer_codes);
if (!p_ctx->pfd) {
io->io_errno = errno;
Jmsg(ctx, M_FATAL, "bpipe-fd: Open pipe writer=%s failed: ERR=%s\n", writer_codes, strerror(io->io_errno));
Dmsg(ctx, dbglvl, "bpipe-fd: Open pipe writer=%s failed: ERR=%s\n", writer_codes, strerror(io->io_errno));
if (writer_codes) {
free(writer_codes);
}
return bRC_Error;
}
if (writer_codes) {
free(writer_codes);
}
} else {
p_ctx->pfd = open_bpipe(p_ctx->reader, 0, "r", false);
Dmsg(ctx, dbglvl, "bpipe-fd: IO_OPEN fd=%p reader=%s\n", p_ctx->pfd, p_ctx->reader);
if (!p_ctx->pfd) {
io->io_errno = errno;
Jmsg(ctx, M_FATAL, "bpipe-fd: Open pipe reader=%s failed: ERR=%s\n", p_ctx->reader, strerror(io->io_errno));
Dmsg(ctx, dbglvl, "bpipe-fd: Open pipe reader=%s failed: ERR=%s\n", p_ctx->reader, strerror(io->io_errno));
return bRC_Error;
}
}
sleep(1); /* let pipe connect */
break;
case IO_READ:
if (!p_ctx->pfd) {
Jmsg(ctx, M_FATAL, "bpipe-fd: Logic error: NULL read FD\n");
Dmsg(ctx, dbglvl, "bpipe-fd: Logic error: NULL read FD\n");
return bRC_Error;
}
io->status = fread(io->buf, 1, io->count, p_ctx->pfd->rfd);
if (io->status == 0 && ferror(p_ctx->pfd->rfd)) {
io->io_errno = errno;
Jmsg(ctx, M_FATAL, "bpipe-fd: Pipe read error: ERR=%s\n", strerror(io->io_errno));
Dmsg(ctx, dbglvl, "bpipe-fd: Pipe read error: ERR=%s\n", strerror(io->io_errno));
return bRC_Error;
}
break;
case IO_WRITE:
if (!p_ctx->pfd) {
Jmsg(ctx, M_FATAL, "bpipe-fd: Logic error: NULL write FD\n");
Dmsg(ctx, dbglvl, "bpipe-fd: Logic error: NULL write FD\n");
return bRC_Error;
}
io->status = fwrite(io->buf, 1, io->count, p_ctx->pfd->wfd);
if (io->status == 0 && ferror(p_ctx->pfd->wfd)) {
io->io_errno = errno;
Jmsg(ctx, M_FATAL, "bpipe-fd: Pipe write error: ERR=%s\n", strerror(io->io_errno));
Dmsg(ctx, dbglvl, "bpipe-fd: Pipe write error: ERR=%s\n", strerror(io->io_errno));
return bRC_Error;
}
break;
case IO_CLOSE:
if (!p_ctx->pfd) {
Jmsg(ctx, M_FATAL, "bpipe-fd: Logic error: NULL FD on bpipe close\n");
Dmsg(ctx, dbglvl, "bpipe-fd: Logic error: NULL FD on bpipe close\n");
return bRC_Error;
}
io->status = close_bpipe(p_ctx->pfd);
if (io->status) {
Jmsg(ctx, M_FATAL, "bpipe-fd: Error closing stream for pseudo file %s: %d\n", p_ctx->fname, io->status);
Dmsg(ctx, dbglvl, "bpipe-fd: Error closing stream for pseudo file %s: %d\n", p_ctx->fname, io->status);
}
break;
case IO_SEEK:
io->offset = p_ctx->offset;
break;
}
return bRC_OK;
}
