static struct file_context *
open_file(const char *url, int flags)
{
struct file_context *file_context;
file_context = malloc(sizeof(struct file_context));
if (file_context == NULL) {
fprintf(stderr, "Failed to malloc file_context\n");
return NULL;
}
file_context->fd = -1;
file_context->nfs = NULL;
file_context->nfsfh = NULL;
file_context->url = NULL;
file_context->nfs = nfs_init_context();
if (file_context->nfs == NULL) {
fprintf(stderr, "failed to init context\n");
free_file_context(file_context);
return NULL;
}
file_context->url = nfs_parse_url_full(file_context->nfs, url);
if (file_context->url == NULL) {
fprintf(stderr, "%s\n", nfs_get_error(file_context->nfs));
free_file_context(file_context);
return NULL;
}
if (nfs_mount(file_context->nfs, file_context->url->server,
file_context->url->path) != 0) {
fprintf(stderr, "Failed to mount nfs share : %s\n",
nfs_get_error(file_context->nfs));
free_file_context(file_context);
return NULL;
}
if (flags == O_RDONLY) {
if (nfs_open(file_context->nfs, file_context->url->file, flags,
&file_context->nfsfh) != 0) {
fprintf(stderr, "Failed to open file %s: %s\n",
file_context->url->file,
nfs_get_error(file_context->nfs));
free_file_context(file_context);
return NULL;
}
} else {
if (nfs_creat(file_context->nfs, file_context->url->file, 0660,
&file_context->nfsfh) != 0) {
fprintf(stderr, "Failed to creat file %s: %s\n",
file_context->url->file,
nfs_get_error(file_context->nfs));
free_file_context(file_context);
return NULL;
}
}
return file_context;
}
int main(int argc, char *argv[])
{
int ret;
struct file_context *nf;
struct nfs_stat_64 st;
uint64_t off;
int64_t count;
#ifdef WIN32
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
printf("Failed to start Winsock2\n");
return 10;
}
#endif
#ifdef AROS
aros_init_socket();
#endif
if (argc < 2) {
usage();
}
nf = open_file(argv[1], O_RDONLY);
if (nf == NULL) {
fprintf(stderr, "Failed to open %s\n", argv[1]);
exit(10);
}
if (nfs_fstat64(nf->nfs, nf->nfsfh, &st) < 0) {
fprintf(stderr, "Failed to stat %s\n", argv[1]);
exit(10);
}
off = 0;
while (off < st.nfs_size) {
count = st.nfs_size - off;
if (count > BUFSIZE) {
count = BUFSIZE;
}
count = nfs_pread(nf->nfs, nf->nfsfh, off, count, buf);
if (count < 0) {
fprintf(stderr, "Failed to read from file\n");
free_file_context(nf);
return 10;
}
fwrite(buf, count, 1, stdout);
off += count;
}
free_file_context(nf);
return 0;
}
int main(int argc, char *argv[])
{
int ret;
struct stat st;
struct file_context *src;
struct file_context *dst;
uint64_t off;
int64_t count;
#ifdef WIN32
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
printf("Failed to start Winsock2\n");
return 10;
}
#endif
#ifdef AROS
aros_init_socket();
#endif
if (argc != 3) {
usage();
}
src = open_file(argv[1], O_RDONLY);
if (src == NULL) {
fprintf(stderr, "Failed to open %s\n", argv[1]);
return 10;
}
dst = open_file(argv[2], O_WRONLY|O_CREAT|O_TRUNC);
if (dst == NULL) {
fprintf(stderr, "Failed to open %s\n", argv[2]);
free_file_context(src);
return 10;
}
if (fstat_file(src, &st) != 0) {
fprintf(stderr, "Failed to fstat source file\n");
free_file_context(src);
free_file_context(dst);
return 10;
}
off = 0;
while (off < st.st_size) {
count = st.st_size - off;
if (count > BUFSIZE) {
count = BUFSIZE;
}
count = file_pread(src, buf, count, off);
if (count < 0) {
fprintf(stderr, "Failed to read from source file\n");
free_file_context(src);
free_file_context(dst);
return 10;
}
count = file_pwrite(dst, buf, count, off);
if (count < 0) {
fprintf(stderr, "Failed to write to dest file\n");
free_file_context(src);
free_file_context(dst);
return 10;
}
off += count;
}
printf("copied %d bytes\n", (int)off);
free_file_context(src);
free_file_context(dst);
return 0;
}
static struct file_context *
open_file(const char *url, int flags)
{
struct file_context *file_context;
char *server = NULL, *path = NULL, *file = NULL, *strp;
file_context = malloc(sizeof(struct file_context));
if (file_context == NULL) {
fprintf(stderr, "Failed to malloc file_context\n");
return NULL;
}
file_context->is_nfs = 0;
file_context->fd = -1;
file_context->nfs = NULL;
file_context->nfsfh = NULL;
if (strncmp(url, "nfs://", 6)) {
file_context->is_nfs = 0;
file_context->fd = open(url, flags, 0660);
if (file_context->fd == -1) {
fprintf(stderr, "Failed to open %s\n", url);
free_file_context(file_context);
return NULL;
}
return file_context;
}
file_context->is_nfs = 1;
file_context->nfs = nfs_init_context();
if (file_context->nfs == NULL) {
fprintf(stderr, "failed to init context\n");
free_file_context(file_context);
return NULL;
}
server = strdup(url + 6);
if (server == NULL) {
fprintf(stderr, "Failed to strdup server string\n");
free_file_context(file_context);
return NULL;
}
if (server[0] == '/' || server[0] == '\0') {
fprintf(stderr, "Invalid server string.\n");
free(server);
free_file_context(file_context);
return NULL;
}
strp = strchr(server, '/');
path = strdup(strp);
*strp = 0;
if (path == NULL) {
fprintf(stderr, "Invalid URL specified.\n");
free(server);
free_file_context(file_context);
return NULL;
}
strp = strrchr(path, '/');
if (strp == NULL) {
fprintf(stderr, "Invalid URL specified.\n");
free(path);
free(server);
free_file_context(file_context);
return NULL;
}
file = strdup(strp);
*strp = 0;
if (nfs_mount(file_context->nfs, server, path) != 0) {
fprintf(stderr, "Failed to mount nfs share : %s\n",
nfs_get_error(file_context->nfs));
free(file);
free(path);
free(server);
free_file_context(file_context);
return NULL;
}
if (flags == O_RDONLY) {
if (nfs_open(file_context->nfs, file, flags,
&file_context->nfsfh) != 0) {
fprintf(stderr, "Failed to open file : %s\n",
nfs_get_error(file_context->nfs));
free(file);
free(path);
free(server);
free_file_context(file_context);
return NULL;
}
} else {
if (nfs_creat(file_context->nfs, file, 0660,
&file_context->nfsfh) != 0) {
fprintf(stderr, "Failed to creat file %s %s\n", file,
nfs_get_error(file_context->nfs));
free(file);
free(path);
free(server);
free_file_context(file_context);
return NULL;
}
}
free(file);
free(path);
free(server);
return file_context;
}
