char *
zfile_digest (zfile_t *self)
{
if (!self->digest) {
if (zfile_input (self) == -1)
return NULL; // Problem reading file
// Now calculate hash for file data, chunk by chunk
size_t blocksz = 65535;
off_t offset = 0;
self->digest = zdigest_new ();
zchunk_t *chunk = zfile_read (self, blocksz, offset);
while (zchunk_size (chunk)) {
zdigest_update (self->digest,
zchunk_data (chunk), zchunk_size (chunk));
zchunk_destroy (&chunk);
offset += blocksz;
chunk = zfile_read (self, blocksz, offset);
}
zchunk_destroy (&chunk);
zfile_close (self);
}
return zdigest_string (self->digest);
}
const char *
zfile_digest (zfile_t *self)
{
assert (self);
if (!self->digest) {
if (zfile_input (self) == -1)
return NULL; // Problem reading file
// Now calculate hash for file data, chunk by chunk
size_t blocksz = 65535;
off_t offset = 0;
self->digest = zdigest_new ();
if (!self->digest)
return NULL;
zchunk_t *chunk = zfile_read (self, blocksz, offset);
while (zchunk_size (chunk)) {
zdigest_update (self->digest,
zchunk_data (chunk), zchunk_size (chunk));
zchunk_destroy (&chunk);
// off_t is defined as long (32 bit on Windows, 64 bit otherwise)
// This guards against overflow in both contexts.
if (blocksz > LONG_MAX - offset)
return NULL;
offset += (off_t) blocksz;
chunk = zfile_read (self, blocksz, offset);
}
zchunk_destroy (&chunk);
fclose (self->handle);
self->handle = 0;
}
return zdigest_string (self->digest);
}
static void
server_process_cluster_command (
server_t *self,
const char *peer_id,
const char *peer_name,
zmsg_t *msg,
bool unicast)
{
char *request = zmsg_popstr (msg);
char *pipename = zmsg_popstr (msg);
zsys_info ("peer=%s command=%s pipe=%s unicast=%d",
peer_name, request, pipename? pipename: "-", unicast);
// Lookup or create pipe
// TODO: remote pipes need cleaning up with some timeout
pipe_t *pipe = NULL;
if (pipename) {
pipe = (pipe_t *) zhash_lookup (self->pipes, pipename);
if (!pipe)
pipe = pipe_new (self, pipename);
}
if (pipe && streq (request, "HAVE WRITER"))
pipe_attach_remote_writer (pipe, peer_id, unicast);
else
if (pipe && streq (request, "HAVE READER"))
pipe_attach_remote_reader (pipe, peer_id, unicast);
else
if (pipe && streq (request, "DATA")) {
// TODO encode these commands as proper protocol
zframe_t *frame = zmsg_pop (msg);
zchunk_t *chunk = zchunk_new (zframe_data (frame), zframe_size (frame));
if (pipe->writer == REMOTE_NODE && pipe->reader) {
zsys_info ("send %d bytes to pipe", (int) zchunk_size (chunk));
pipe_send_data (pipe, &chunk);
}
else
zsys_info ("discard %d bytes, unroutable", (int) zchunk_size (chunk));
zframe_destroy (&frame);
zchunk_destroy (&chunk);
}
else
if (pipe && streq (request, "DROP READER"))
pipe_drop_remote_reader (&pipe, peer_id);
else
if (pipe && streq (request, "DROP WRITER"))
pipe_drop_remote_writer (&pipe, peer_id);
else
if (streq (request, "DUMP"))
zyre_dump (self->zyre);
else
zsys_warning ("bad request %s from %s", request, peer_name);
zstr_free (&pipename);
zstr_free (&request);
}
void
zchunk_test (bool verbose)
{
printf (" * zchunk: ");
// @selftest
zchunk_t *chunk = zchunk_new ("1234567890", 10);
assert (chunk);
assert (zchunk_size (chunk) == 10);
assert (memcmp (zchunk_data (chunk), "1234567890", 10) == 0);
zchunk_destroy (&chunk);
chunk = zchunk_new (NULL, 10);
zchunk_append (chunk, "12345678", 8);
zchunk_append (chunk, "90ABCDEF", 8);
zchunk_append (chunk, "GHIJKLMN", 8);
assert (memcmp (zchunk_data (chunk), "1234567890", 10) == 0);
assert (zchunk_size (chunk) == 10);
zframe_t *frame = zchunk_pack (chunk);
assert(frame);
zchunk_t *chunk2 = zchunk_unpack (frame);
assert (memcmp (zchunk_data (chunk2), "1234567890", 10) == 0);
zframe_destroy(&frame);
zchunk_destroy(&chunk2);
zchunk_t *copy = zchunk_dup (chunk);
assert (memcmp (zchunk_data (copy), "1234567890", 10) == 0);
assert (zchunk_size (copy) == 10);
zchunk_destroy (©);
zchunk_destroy (&chunk);
copy = zchunk_new ("1234567890abcdefghij", 20);
chunk = zchunk_new (NULL, 8);
zchunk_consume (chunk, copy);
assert (!zchunk_exhausted (copy));
assert (memcmp (zchunk_data (chunk), "12345678", 8) == 0);
zchunk_set (chunk, NULL, 0);
zchunk_consume (chunk, copy);
assert (!zchunk_exhausted (copy));
assert (memcmp (zchunk_data (chunk), "90abcdef", 8) == 0);
zchunk_set (chunk, NULL, 0);
zchunk_consume (chunk, copy);
assert (zchunk_exhausted (copy));
assert (zchunk_size (chunk) == 4);
assert (memcmp (zchunk_data (chunk), "ghij", 4) == 0);
zchunk_destroy (©);
zchunk_destroy (&chunk);
// @end
printf ("OK\n");
}
static void
s_check_directory (s_agent_t *self)
{
// Get latest snapshot and build a patches list for any changes
// All patches are built using a virtual path starting at "/"
zdir_t *dir = zdir_new (self->path, NULL);
zlist_t *patches = zdir_diff (self->dir, dir, "/");
// Drop old directory and replace with latest version
zdir_destroy (&self->dir);
self->dir = dir;
while (zlist_size (patches)) {
zdir_patch_t *patch = (zdir_patch_t *) zlist_pop (patches);
if (zdir_patch_op (patch) == patch_create) {
// Shout new files to DROPS group
// Stupidest possible approach: send whole file as one frame
// Truncate file at arbitrary limit of 10MB
zfile_t *file = zdir_patch_file (patch);
if (zfile_input (file) == 0) {
zchunk_t *chunk = zfile_read (file, 10 * 1024 * 1024, 0);
assert (chunk);
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "CREATE");
zmsg_addstr (msg, zdir_patch_vpath (patch));
zmsg_add (msg, zframe_new (zchunk_data (chunk), zchunk_size (chunk)));
zchunk_destroy (&chunk);
zyre_shout (self->zyre, "DROPS", &msg);
}
}
zdir_patch_destroy (&patch);
}
zlist_destroy (&patches);
}
static void
pass_data_to_reader (client_t *self)
{
assert (self->pipe);
zchunk_t *chunk = zpipes_msg_get_chunk (self->request);
zsys_info ("write %d bytes", (int) zchunk_size (chunk));
pipe_send_data (self->pipe, &chunk);
}
static void
client_store_chunk (client_t *self, zchunk_t **chunk_p)
{
zchunk_t *chunk = *chunk_p;
assert (chunk);
zlist_append (self->queue, chunk);
self->pending += zchunk_size (chunk);
*chunk_p = NULL;
}
JNIEXPORT jbyteArray JNICALL
Java_org_zeromq_czmq_Zchunk__1_1data (JNIEnv *env, jclass c, jlong self)
{
jbyte *data_ = (jbyte *) zchunk_data ((zchunk_t *) (intptr_t) self);
jint return_size_ = (jint) zchunk_size ((zchunk_t *) (intptr_t) self);
jbyteArray return_data_ = (*env)->NewByteArray (env, return_size_);
(*env)->SetByteArrayRegion (env, return_data_, 0, return_size_, (jbyte *) data_);
return return_data_;
}
void
hydra_post_set_data (hydra_post_t *self, const void *data, size_t size)
{
assert (self);
zstr_free (&self->location);
zchunk_destroy (&self->content);
self->content = zchunk_new (data, size);
strcpy (self->digest, zchunk_digest (self->content));
self->content_size = zchunk_size (self->content);
}
static zsync_node_t *
zsync_node_new ()
{
int rc;
zsync_node_t *self = (zsync_node_t *) zmalloc (sizeof (zsync_node_t));
self->ctx = zctx_new ();
assert (self->ctx);
self->zyre = zyre_new (self->ctx);
assert (self->zyre);
// Obtain permanent UUID
self->own_uuid = zuuid_new ();
if (zsys_file_exists (UUID_FILE)) {
// Read uuid from file
zfile_t *uuid_file = zfile_new (".", UUID_FILE);
int rc = zfile_input (uuid_file); // open file for reading
assert (rc == 0);
zchunk_t *uuid_chunk = zfile_read (uuid_file, 16, 0);
assert (zchunk_size (uuid_chunk) == 16); // make sure read succeeded
zuuid_set (self->own_uuid, zchunk_data (uuid_chunk));
zfile_destroy (&uuid_file);
} else {
// Write uuid to file
zfile_t *uuid_file = zfile_new (".", UUID_FILE);
rc = zfile_output (uuid_file); // open file for writing
assert (rc == 0);
zchunk_t *uuid_bin = zchunk_new ( zuuid_data (self->own_uuid), 16);
rc = zfile_write (uuid_file, uuid_bin, 0);
assert (rc == 0);
zfile_destroy (&uuid_file);
}
// Obtain peers and states
self->peers = zlist_new ();
if (zsys_file_exists (PEER_STATES_FILE)) {
zhash_t *peer_states = zhash_new ();
int rc = zhash_load (peer_states, PEER_STATES_FILE);
assert (rc == 0);
zlist_t *uuids = zhash_keys (peer_states);
char *uuid = zlist_first (uuids);
while (uuid) {
char * state_str = zhash_lookup (peer_states, uuid);
uint64_t state;
sscanf (state_str, "%"SCNd64, &state);
zlist_append (self->peers, zsync_peer_new (uuid, state));
uuid = zlist_next (uuids);
}
}
self->zyre_peers = zhash_new ();
self->terminated = false;
return self;
}
void
hydra_post_test (bool verbose)
{
printf (" * hydra_post: ");
if (verbose)
printf ("\n");
// @selftest
// Simple create/destroy test
zsys_dir_create (".hydra_test");
zsys_dir_change (".hydra_test");
hydra_post_t *post = hydra_post_new ("Test post");
assert (post);
hydra_post_set_content (post, "Hello, World");
assert (streq (hydra_post_mime_type (post), "text/plain"));
char *content = hydra_post_content (post);
assert (content);
assert (streq (content, "Hello, World"));
zstr_free (&content);
int rc = hydra_post_save (post, "testpost");
assert (rc == 0);
hydra_post_destroy (&post);
post = hydra_post_load ("testpost");
assert (post);
assert (hydra_post_content_size (post) == 12);
if (verbose)
hydra_post_print (post);
content = hydra_post_content (post);
assert (content);
assert (streq (content, "Hello, World"));
zstr_free (&content);
zchunk_t *chunk = hydra_post_fetch (
post, hydra_post_content_size (post), 0);
assert (chunk);
assert (zchunk_size (chunk) == 12);
zchunk_destroy (&chunk);
hydra_post_t *copy = hydra_post_dup (post);
assert (streq (hydra_post_ident (copy), hydra_post_ident (post)));
hydra_post_destroy (&post);
hydra_post_destroy (©);
// Delete the test directory
zsys_dir_change ("..");
zdir_t *dir = zdir_new (".hydra_test", NULL);
assert (dir);
zdir_remove (dir, true);
zdir_destroy (&dir);
// @end
printf ("OK\n");
}
void
pass_chunk (zchunk_t *chunk, char *path, uint64_t sequence, uint64_t offset)
{
// save chunk
printf ("[ST] PASS_CHUNK %s, %"PRId64", %"PRId64", %"PRId64"\n", path, sequence, zchunk_size (chunk), offset);
zfile_t *file = zfile_new("./syncfolder", path);
zfile_output(file);
zfile_write(file, chunk, offset);
zfile_close(file);
zfile_destroy(&file);
}
int
zfile_test (bool verbose)
{
printf (" * zfile: ");
// @selftest
zfile_t *file = zfile_new (".", "bilbo");
assert (streq (zfile_filename (file, "."), "bilbo"));
assert (zfile_is_readable (file) == false);
zfile_destroy (&file);
// Create a test file in some random subdirectory
file = zfile_new ("./this/is/a/test", "bilbo");
int rc = zfile_output (file);
assert (rc == 0);
zchunk_t *chunk = zchunk_new (NULL, 100);
zchunk_fill (chunk, 0, 100);
// Write 100 bytes at position 1,000,000 in the file
rc = zfile_write (file, chunk, 1000000);
assert (rc == 0);
zfile_close (file);
assert (zfile_is_readable (file));
assert (zfile_cursize (file) == 1000100);
assert (!zfile_is_stable (file));
zchunk_destroy (&chunk);
zclock_sleep (1001);
assert (zfile_is_stable (file));
// Check we can read from file
rc = zfile_input (file);
assert (rc == 0);
chunk = zfile_read (file, 1000100, 0);
assert (chunk);
assert (zchunk_size (chunk) == 1000100);
zchunk_destroy (&chunk);
// Remove file and directory
zdir_t *dir = zdir_new ("./this", NULL);
assert (zdir_cursize (dir) == 1000100);
zdir_remove (dir, true);
assert (zdir_cursize (dir) == 0);
zdir_destroy (&dir);
// Check we can no longer read from file
assert (!zfile_is_readable (file));
rc = zfile_input (file);
assert (rc == -1);
zfile_destroy (&file);
// @end
printf ("OK\n");
return 0;
}
static void
collect_data_to_send (client_t *self)
{
zsys_info ("read %d bytes", (int) zpipes_msg_size (self->request));
// Do we have enough data to satisfy the read request?
size_t required = zpipes_msg_size (self->request);
// If pipe was closed, we'll do a short read with as much
// data as we have pending
if (required > self->pending && self->pipe == NULL)
required = self->pending;
if (self->pipe == NULL && self->pending == 0)
engine_set_exception (self, pipe_shut_event);
else
if (self->pending >= required) {
// Create a bucket chunk with the required max size
zchunk_t *bucket = zchunk_new (NULL, required);
// Now fill the bucket with chunks from our queue
while (zchunk_size (bucket) < required) {
// Get next chunk and consume as much of it as possible
zchunk_t *chunk = (zchunk_t *) zlist_pop (self->queue);
assert (chunk);
zchunk_consume (bucket, chunk);
// If chunk is exhausted, destroy it
if (zchunk_exhausted (chunk))
zchunk_destroy (&chunk);
else {
// Push chunk back for next time
zlist_push (self->queue, chunk);
assert (zchunk_size (bucket) == required);
}
}
zpipes_msg_set_chunk (self->reply, &bucket);
self->pending -= required;
}
else
engine_set_exception (self, not_enough_data_event);
}
zchunk_t *
zconfig_chunk_save (zconfig_t *self)
{
assert (self);
int size = s_config_execute (self, s_config_save, NULL, 0);
// Allow an extra byte so we can null-terminate the data
zchunk_t *chunk = zchunk_new (NULL, size + 1);
if (chunk) {
s_config_execute (self, s_config_save, chunk, 0);
// This lets us treat the chunk data as a string
zchunk_data (chunk) [zchunk_size (chunk)] = 0;
}
return chunk;
}
ssize_t
zpipes_client_read (zpipes_client_t *self, void *data, size_t size, int timeout)
{
assert (self);
zpipes_msg_send_read (self->dealer, size, timeout);
zpipes_msg_t *reply = zpipes_msg_recv (self->dealer);
if (!reply) {
self->error = EINTR;
return -1; // Interrupted
}
ssize_t rc = 0;
if (zpipes_msg_id (reply) == ZPIPES_MSG_READ_OK) {
zchunk_t *chunk = zpipes_msg_chunk (reply);
ssize_t bytes = zchunk_size (chunk);
assert (bytes <= size);
memcpy (data, zchunk_data (chunk), bytes);
rc = bytes;
}
else
if (zpipes_msg_id (reply) == ZPIPES_MSG_READ_END)
rc = 0;
else
if (zpipes_msg_id (reply) == ZPIPES_MSG_READ_TIMEOUT) {
self->error = EAGAIN;
rc = -1;
}
else
if (zpipes_msg_id (reply) == ZPIPES_MSG_READ_FAILED) {
// TODO: better error code?
// This happens if we close a pipe while there's a pending read
self->error = EINTR;
rc = -1;
}
else
if (zpipes_msg_id (reply) == ZPIPES_MSG_INVALID) {
self->error = EBADF;
rc = -1;
}
zpipes_msg_destroy (&reply);
return rc;
}
zchunk_t *
zfile_read (zfile_t *self, size_t bytes, off_t offset)
{
assert (self);
assert (self->handle);
// Calculate real number of bytes to read
if (offset > self->cursize)
bytes = 0;
else if (bytes > (size_t) (self->cursize - offset))
bytes = (size_t) (self->cursize - offset);
if (fseek (self->handle, (long) offset, SEEK_SET) == -1)
return NULL;
self->eof = false;
zchunk_t *chunk = zchunk_read (self->handle, bytes);
if (chunk)
self->eof = zchunk_size (chunk) < bytes;
return chunk;
}
static void
pipe_send_data (pipe_t *self, zchunk_t **chunk_p)
{
assert (self);
assert (self->reader);
zchunk_t *chunk = *chunk_p;
assert (chunk);
if (self->reader == REMOTE_NODE) {
// Send chunk to remote node reader
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "DATA");
zmsg_addstr (msg, self->name);
zmsg_addmem (msg, zchunk_data (chunk), zchunk_size (chunk));
zyre_whisper (self->server->zyre, self->remote, &msg);
zchunk_destroy (chunk_p);
}
else {
client_store_chunk (self->reader, chunk_p);
engine_send_event (self->reader, have_data_event);
}
}
zconfig_t *
zconfig_chunk_load (zchunk_t *chunk)
{
// Parse the chunk line by line
zconfig_t *self = zconfig_new ("root", NULL);
if (!self)
return NULL;
bool valid = true;
int lineno = 0;
char *data_ptr = (char *) zchunk_data (chunk);
size_t remaining = zchunk_size (chunk);
while (remaining) {
// Copy stuff into cur_line; not fastest but safest option
// since chunk may not be null terminated, etc.
char *eoln = (char *) memchr (data_ptr, '\n', remaining);
size_t cur_size;
if (eoln)
cur_size = eoln - data_ptr;
else
cur_size = remaining;
if (cur_size > 1024)
cur_size = 1024;
char cur_line [1024 + 1];
memcpy (cur_line, data_ptr, cur_size);
cur_line [cur_size] = '\0';
data_ptr = eoln? eoln + 1: NULL;
remaining -= cur_size + (eoln? 1: 0);
// Trim line
size_t length = strlen (cur_line);
while (length && isspace ((byte) cur_line [length - 1]))
cur_line [--length] = 0;
// Collect indentation level and name, if any
lineno++;
// Handle whole-line comment if present
if (cur_line [0] == '#') {
if (!self->comments) {
self->comments = zlist_new ();
assert (self->comments);
zlist_autofree (self->comments);
}
zlist_append (self->comments, cur_line + 1);
}
char *scanner = cur_line;
int level = s_collect_level (&scanner, lineno);
if (level == -1) {
valid = false;
break;
}
char *name = s_collect_name (&scanner, lineno);
if (name == NULL) {
valid = false;
break;
}
// If name is not empty, collect property value
if (*name) {
char *value = s_collect_value (&scanner, lineno);
if (value == NULL)
valid = false;
else {
// Navigate to parent for this element
zconfig_t *parent = zconfig_at_depth (self, level);
if (parent) {
zconfig_t *item = zconfig_new (name, parent);
assert (item);
item->value = value;
}
else {
zclock_log ("E (zconfig): (%d) indentation error", lineno);
free (value);
valid = false;
}
}
}
else
if (s_verify_eoln (scanner, lineno))
valid = false;
free (name);
if (!valid)
break;
}
// Either the whole ZPL stream is valid or none of it is
if (!valid)
zconfig_destroy (&self);
return self;
}
void
zfile_test (bool verbose)
{
printf (" * zfile: ");
// @selftest
zfile_t *file = zfile_new (NULL, "bilbo");
assert (streq (zfile_filename (file, "."), "bilbo"));
assert (zfile_is_readable (file) == false);
zfile_destroy (&file);
// Create a test file in some random subdirectory
file = zfile_new ("./this/is/a/test", "bilbo");
int rc = zfile_output (file);
assert (rc == 0);
zchunk_t *chunk = zchunk_new (NULL, 100);
zchunk_fill (chunk, 0, 100);
// Write 100 bytes at position 1,000,000 in the file
rc = zfile_write (file, chunk, 1000000);
assert (rc == 0);
zchunk_destroy (&chunk);
zfile_close (file);
assert (zfile_is_readable (file));
assert (zfile_cursize (file) == 1000100);
assert (!zfile_is_stable (file));
// Now append one byte to file from outside
int handle = open ("./this/is/a/test/bilbo", O_WRONLY | O_TRUNC | O_BINARY, 0);
assert (handle >= 0);
rc = write (handle, "Hello, World\n", 13);
assert (rc == 13);
close (handle);
assert (zfile_has_changed (file));
zclock_sleep (1001);
assert (zfile_has_changed (file));
assert (!zfile_is_stable (file));
zfile_restat (file);
assert (zfile_is_stable (file));
assert (streq (zfile_digest (file), "4AB299C8AD6ED14F31923DD94F8B5F5CB89DFB54"));
// Check we can read from file
rc = zfile_input (file);
assert (rc == 0);
chunk = zfile_read (file, 1000100, 0);
assert (chunk);
assert (zchunk_size (chunk) == 13);
zchunk_destroy (&chunk);
zfile_close (file);
// Try some fun with symbolic links
zfile_t *link = zfile_new ("./this/is/a/test", "bilbo.ln");
rc = zfile_output (link);
assert (rc == 0);
fprintf (zfile_handle (link), "./this/is/a/test/bilbo\n");
zfile_destroy (&link);
link = zfile_new ("./this/is/a/test", "bilbo.ln");
rc = zfile_input (link);
assert (rc == 0);
chunk = zfile_read (link, 1000100, 0);
assert (chunk);
assert (zchunk_size (chunk) == 13);
zchunk_destroy (&chunk);
zfile_destroy (&link);
// Remove file and directory
zdir_t *dir = zdir_new ("./this", NULL);
assert (zdir_cursize (dir) == 26);
zdir_remove (dir, true);
assert (zdir_cursize (dir) == 0);
zdir_destroy (&dir);
// Check we can no longer read from file
assert (zfile_is_readable (file));
zfile_restat (file);
assert (!zfile_is_readable (file));
rc = zfile_input (file);
assert (rc == -1);
zfile_destroy (&file);
// @end
printf ("OK\n");
}
static void zhttp_client_actor (zsock_t *pipe, void *args) {
curl_global_init (CURL_GLOBAL_ALL);
CURLM *multi = curl_multi_init ();
CURLSH *share = curl_share_init ();
curl_share_setopt (share, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS);
curl_share_setopt (share, CURLSHOPT_SHARE, CURL_LOCK_DATA_SSL_SESSION);
curl_share_setopt (share, CURLSHOPT_SHARE, CURL_LOCK_DATA_CONNECT);
long verbose = (*(bool *) args) ? 1L : 0L;
CURLMcode code;
SOCKET pipefd = zsock_fd (pipe);
struct curl_waitfd waitfd = {pipefd, CURL_WAIT_POLLIN};
// List to hold pending curl handles, in case we are destroy the client
// while request are inprogress
zlistx_t *pending_handles = zlistx_new ();
zlistx_set_destructor (pending_handles, (zlistx_destructor_fn *) curl_destructor);
zsock_signal (pipe, 0);
bool terminated = false;
while (!terminated) {
if (!zsock_has_in (pipe)) {
code = curl_multi_wait (multi, &waitfd, 1, 1000, NULL);
assert (code == CURLM_OK);
}
if (zsock_has_in (pipe)) {
char *command = zstr_recv (pipe);
if (!command)
break; // Interrupted
// All actors must handle $TERM in this way
if (streq (command, "$TERM"))
terminated = true;
else if (streq (command, "GET")) {
char *url;
zlistx_t *headers;
int timeout;
void *handler;
void *arg;
int rc = zsock_recv (pipe, "slipp", &url, &headers, &timeout, &handler, &arg);
assert (rc == 0);
zchunk_t *response = zchunk_new (NULL, 100);
assert (response);
struct curl_slist *curl_headers = zlistx_to_slist (headers);
CURL *curl = curl_easy_init ();
zlistx_add_end (pending_handles, curl);
http_request *request = (http_request *) zmalloc (sizeof (http_request));
assert (request);
request->handler = handler;
request->arg = arg;
request->curl = curl;
request->response = response;
request->headers = curl_headers;
request->body = NULL;
curl_easy_setopt (curl, CURLOPT_SHARE, share);
curl_easy_setopt (curl, CURLOPT_TIMEOUT_MS, (long)timeout);
curl_easy_setopt (curl, CURLOPT_VERBOSE, verbose);
curl_easy_setopt (curl, CURLOPT_HTTPHEADER, curl_headers);
curl_easy_setopt (curl, CURLOPT_URL, url);
curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, response);
curl_easy_setopt (curl, CURLOPT_PRIVATE, request);
code = curl_multi_add_handle (multi, curl);
assert (code == CURLM_OK);
zlistx_destroy (&headers);
zstr_free (&url);
} else if (streq (command, "POST")) {
char *url;
zlistx_t *headers;
zchunk_t *body;
int timeout;
void *handler;
void *arg;
int rc = zsock_recv (pipe, "slcipp", &url, &headers, &body, &timeout, &handler, &arg);
assert (rc == 0);
zchunk_t *response = zchunk_new (NULL, 100);
assert (response);
struct curl_slist *curl_headers = zlistx_to_slist (headers);
CURL *curl = curl_easy_init ();
zlistx_add_end (pending_handles, curl);
http_request *request = (http_request *) zmalloc (sizeof (http_request));
assert (request);
request->handler = handler;
request->arg = arg;
request->curl = curl;
request->response = response;
request->headers = curl_headers;
request->body = body;
curl_easy_setopt (curl, CURLOPT_SHARE, share);
curl_easy_setopt (curl, CURLOPT_TIMEOUT_MS, (long)timeout);
curl_easy_setopt (curl, CURLOPT_VERBOSE, verbose);
curl_easy_setopt (curl, CURLOPT_POSTFIELDS, zchunk_data (body));
curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, zchunk_size (body));
curl_easy_setopt (curl, CURLOPT_HTTPHEADER, curl_headers);
curl_easy_setopt (curl, CURLOPT_URL, url);
curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, response);
curl_easy_setopt (curl, CURLOPT_PRIVATE, request);
code = curl_multi_add_handle (multi, curl);
assert (code == CURLM_OK);
zlistx_destroy (&headers);
zstr_free (&url);
} else {
puts ("E: invalid message to actor");
assert (false);
}
zstr_free (&command);
}
int still_running;
code = curl_multi_perform (multi, &still_running);
assert (code == CURLM_OK);
int msgq = 0;
struct CURLMsg *msg = curl_multi_info_read (multi, &msgq);
while (msg) {
if (msg->msg == CURLMSG_DONE) {
CURL *curl = msg->easy_handle;
http_request *request;
curl_easy_getinfo (curl, CURLINFO_PRIVATE, &request);
long response_code_long;
curl_easy_getinfo (curl, CURLINFO_RESPONSE_CODE, &response_code_long);
int response_code = (int) response_code_long;
if (response_code == 0 && msg->data.result == CURLE_OPERATION_TIMEDOUT)
response_code = -1;
int rc = zsock_send (pipe, "icpp", response_code, request->response, request->handler, request->arg);
assert (rc == 0);
curl_multi_remove_handle (multi, curl);
// Remove curl from the pending handles and delete it
void *handle = zlistx_find (pending_handles, curl);
assert (handle);
rc = zlistx_delete (pending_handles, handle);
assert (rc == 0);
}
msg = curl_multi_info_read (multi, &msgq);
}
}
zlistx_destroy (&pending_handles);
curl_share_cleanup (share);
curl_multi_cleanup (multi);
curl_global_cleanup ();
}
///
// Return chunk cur size
size_t QZchunk::size ()
{
size_t rv = zchunk_size (self);
return rv;
}
static void
get_next_patch_for_client (server_t *self, client_t *client)
{
// Get next patch for client if we're not doing one already
if (client->patch == NULL)
client->patch = (zdir_patch_t *) zlist_pop (client->patches);
if (client->patch == NULL) {
client->next_event = finished_event;
return;
}
// Get virtual path from patch
fmq_msg_set_filename (client->reply, zdir_patch_vpath (client->patch));
// We can process a delete patch right away
if (zdir_patch_op (client->patch) == patch_delete) {
fmq_msg_set_sequence (client->reply, client->sequence++);
fmq_msg_set_operation (client->reply, FMQ_MSG_FILE_DELETE);
client->next_event = send_delete_event;
// No reliability in this version, assume patch delivered safely
zdir_patch_destroy (&client->patch);
}
else
if (zdir_patch_op (client->patch) == patch_create) {
// Create patch refers to file, open that for input if needed
if (client->file == NULL) {
client->file = zfile_dup (zdir_patch_file (client->patch));
if (zfile_input (client->file)) {
// File no longer available, skip it
zdir_patch_destroy (&client->patch);
zfile_destroy (&client->file);
client->next_event = next_patch_event;
return;
}
client->offset = 0;
}
// Get next chunk for file
zchunk_t *chunk = zfile_read (client->file, CHUNK_SIZE, client->offset);
assert (chunk);
// Check if we have the credit to send chunk
if (zchunk_size (chunk) <= client->credit) {
fmq_msg_set_sequence (client->reply, client->sequence++);
fmq_msg_set_operation (client->reply, FMQ_MSG_FILE_CREATE);
fmq_msg_set_offset (client->reply, client->offset);
fmq_msg_set_chunk (client->reply, zframe_new (
zchunk_data (chunk),
zchunk_size (chunk)));
client->offset += zchunk_size (chunk);
client->credit -= zchunk_size (chunk);
client->next_event = send_chunk_event;
// Zero-sized chunk means end of file
if (zchunk_size (chunk) == 0) {
zfile_destroy (&client->file);
zdir_patch_destroy (&client->patch);
}
}
else
client->next_event = no_credit_event;
zchunk_destroy (&chunk);
}
}
int
zproto_example_send (zproto_example_t *self, zsock_t *output)
{
assert (self);
assert (output);
if (zsock_type (output) == ZMQ_ROUTER)
zframe_send (&self->routing_id, output, ZFRAME_MORE + ZFRAME_REUSE);
size_t frame_size = 2 + 1; // Signature and message ID
switch (self->id) {
case ZPROTO_EXAMPLE_LOG:
frame_size += 2; // sequence
frame_size += 2; // version
frame_size += 1; // level
frame_size += 1; // event
frame_size += 2; // node
frame_size += 2; // peer
frame_size += 8; // time
frame_size += 1 + strlen (self->host);
frame_size += 4;
if (self->data)
frame_size += strlen (self->data);
break;
case ZPROTO_EXAMPLE_STRUCTURES:
frame_size += 2; // sequence
frame_size += 4; // Size is 4 octets
if (self->aliases) {
char *aliases = (char *) zlist_first (self->aliases);
while (aliases) {
frame_size += 4 + strlen (aliases);
aliases = (char *) zlist_next (self->aliases);
}
}
frame_size += 4; // Size is 4 octets
if (self->headers) {
self->headers_bytes = 0;
char *item = (char *) zhash_first (self->headers);
while (item) {
self->headers_bytes += 1 + strlen (zhash_cursor (self->headers));
self->headers_bytes += 4 + strlen (item);
item = (char *) zhash_next (self->headers);
}
}
frame_size += self->headers_bytes;
break;
case ZPROTO_EXAMPLE_BINARY:
frame_size += 2; // sequence
frame_size += 4; // flags
frame_size += 4; // Size is 4 octets
if (self->public_key)
frame_size += zchunk_size (self->public_key);
frame_size += ZUUID_LEN; // identifier
break;
case ZPROTO_EXAMPLE_TYPES:
frame_size += 2; // sequence
frame_size += 1 + strlen (self->client_forename);
frame_size += 1 + strlen (self->client_surname);
frame_size += 1 + strlen (self->client_mobile);
frame_size += 1 + strlen (self->client_email);
frame_size += 1 + strlen (self->supplier_forename);
frame_size += 1 + strlen (self->supplier_surname);
frame_size += 1 + strlen (self->supplier_mobile);
frame_size += 1 + strlen (self->supplier_email);
break;
}
// Now serialize message into the frame
zmq_msg_t frame;
zmq_msg_init_size (&frame, frame_size);
self->needle = (byte *) zmq_msg_data (&frame);
PUT_NUMBER2 (0xAAA0 | 0);
PUT_NUMBER1 (self->id);
bool have_content = false;
size_t nbr_frames = 1; // Total number of frames to send
switch (self->id) {
case ZPROTO_EXAMPLE_LOG:
PUT_NUMBER2 (self->sequence);
PUT_NUMBER2 (3);
PUT_NUMBER1 (self->level);
PUT_NUMBER1 (self->event);
PUT_NUMBER2 (self->node);
PUT_NUMBER2 (self->peer);
PUT_NUMBER8 (self->time);
PUT_STRING (self->host);
if (self->data) {
PUT_LONGSTR (self->data);
}
else
PUT_NUMBER4 (0); // Empty string
break;
case ZPROTO_EXAMPLE_STRUCTURES:
PUT_NUMBER2 (self->sequence);
if (self->aliases) {
PUT_NUMBER4 (zlist_size (self->aliases));
char *aliases = (char *) zlist_first (self->aliases);
while (aliases) {
PUT_LONGSTR (aliases);
aliases = (char *) zlist_next (self->aliases);
}
}
else
PUT_NUMBER4 (0); // Empty string array
if (self->headers) {
PUT_NUMBER4 (zhash_size (self->headers));
char *item = (char *) zhash_first (self->headers);
while (item) {
PUT_STRING (zhash_cursor (self->headers));
PUT_LONGSTR (item);
item = (char *) zhash_next (self->headers);
}
}
else
PUT_NUMBER4 (0); // Empty hash
break;
case ZPROTO_EXAMPLE_BINARY:
PUT_NUMBER2 (self->sequence);
PUT_OCTETS (self->flags, 4);
if (self->public_key) {
PUT_NUMBER4 (zchunk_size (self->public_key));
memcpy (self->needle,
zchunk_data (self->public_key),
zchunk_size (self->public_key));
self->needle += zchunk_size (self->public_key);
}
else
PUT_NUMBER4 (0); // Empty chunk
if (self->identifier)
zuuid_export (self->identifier, self->needle);
else
memset (self->needle, 0, ZUUID_LEN);
self->needle += ZUUID_LEN;
nbr_frames++;
nbr_frames += self->content? zmsg_size (self->content): 1;
have_content = true;
break;
case ZPROTO_EXAMPLE_TYPES:
PUT_NUMBER2 (self->sequence);
PUT_STRING (self->client_forename);
PUT_STRING (self->client_surname);
PUT_STRING (self->client_mobile);
PUT_STRING (self->client_email);
PUT_STRING (self->supplier_forename);
PUT_STRING (self->supplier_surname);
PUT_STRING (self->supplier_mobile);
PUT_STRING (self->supplier_email);
break;
}
// Now send the data frame
zmq_msg_send (&frame, zsock_resolve (output), --nbr_frames? ZMQ_SNDMORE: 0);
// Now send any frame fields, in order
if (self->id == ZPROTO_EXAMPLE_BINARY) {
// If address isn't set, send an empty frame
if (self->address)
zframe_send (&self->address, output, ZFRAME_REUSE + (--nbr_frames? ZFRAME_MORE: 0));
else
zmq_send (zsock_resolve (output), NULL, 0, (--nbr_frames? ZMQ_SNDMORE: 0));
}
// Now send the content if necessary
if (have_content) {
if (self->content) {
zframe_t *frame = zmsg_first (self->content);
while (frame) {
zframe_send (&frame, output, ZFRAME_REUSE + (--nbr_frames? ZFRAME_MORE: 0));
frame = zmsg_next (self->content);
}
}
else
zmq_send (zsock_resolve (output), NULL, 0, 0);
}
return 0;
}
void
zfile_test (bool verbose)
{
printf (" * zfile: ");
// @selftest
const char *SELFTEST_DIR_RW = "src/selftest-rw";
const char *testbasedir = "this";
const char *testsubdir = "is/a/test";
const char *testfile = "bilbo";
const char *testlink = "bilbo.ln";
char *basedirpath = NULL; // subdir in a test, under SELFTEST_DIR_RW
char *dirpath = NULL; // subdir in a test, under basedirpath
char *filepath = NULL; // pathname to testfile in a test, in dirpath
char *linkpath = NULL; // pathname to testlink in a test, in dirpath
basedirpath = zsys_sprintf ("%s/%s", SELFTEST_DIR_RW, testbasedir);
assert (basedirpath);
dirpath = zsys_sprintf ("%s/%s", basedirpath, testsubdir);
assert (dirpath);
filepath = zsys_sprintf ("%s/%s", dirpath, testfile);
assert (filepath);
linkpath = zsys_sprintf ("%s/%s", dirpath, testlink);
assert (linkpath);
// This subtest is specifically for NULL as current directory, so
// no SELFTEST_DIR_RW here; testfile should have no slashes inside.
// Normally tests clean up in zfile_destroy(), but if a selftest run
// dies e.g. on assert(), workspace remains dirty. Better clean it up.
if (zfile_exists (testfile) ) {
if (verbose)
zsys_debug ("zfile_test() has to remove ./%s that should not have been here", testfile);
zfile_delete (testfile);
}
zfile_t *file = zfile_new (NULL, testfile);
assert (file);
assert (streq (zfile_filename (file, "."), testfile));
assert (zfile_is_readable (file) == false);
zfile_destroy (&file);
// Create a test file in some random subdirectory
if (verbose)
zsys_debug ("zfile_test() at timestamp %" PRIi64 ": "
"Creating new zfile %s",
zclock_time(), filepath );
if (zfile_exists (filepath) ) {
if (verbose)
zsys_debug ("zfile_test() has to remove %s that should not have been here", filepath);
zfile_delete (filepath);
}
file = zfile_new (dirpath, testfile);
assert (file);
int rc = zfile_output (file);
assert (rc == 0);
zchunk_t *chunk = zchunk_new (NULL, 100);
assert (chunk);
zchunk_fill (chunk, 0, 100);
// Write 100 bytes at position 1,000,000 in the file
if (verbose)
zsys_debug ("zfile_test() at timestamp %" PRIi64 ": "
"Writing 100 bytes at position 1,000,000 in the file",
zclock_time() );
rc = zfile_write (file, chunk, 1000000);
if (verbose)
zsys_debug ("zfile_test() at timestamp %" PRIi64 ": "
"Wrote 100 bytes at position 1,000,000 in the file, result code %d",
zclock_time(), rc );
assert (rc == 0);
zchunk_destroy (&chunk);
zfile_close (file);
assert (zfile_is_readable (file));
assert (zfile_cursize (file) == 1000100);
if (verbose)
zsys_debug ("zfile_test() at timestamp %" PRIi64 ": "
"Testing if file is NOT stable (is younger than 1 sec)",
zclock_time() );
assert (!zfile_is_stable (file));
if (verbose)
zsys_debug ("zfile_test() at timestamp %" PRIi64 ": "
"Passed the lag-dependent tests",
zclock_time() );
assert (zfile_digest (file));
// Now truncate file from outside
int handle = open (filepath, O_WRONLY | O_TRUNC | O_BINARY, 0);
assert (handle >= 0);
rc = write (handle, "Hello, World\n", 13);
assert (rc == 13);
close (handle);
assert (zfile_has_changed (file));
#ifdef CZMQ_BUILD_DRAFT_API
zclock_sleep ((int)zsys_file_stable_age_msec() + 50);
#else
zclock_sleep (5050);
#endif
assert (zfile_has_changed (file));
assert (!zfile_is_stable (file));
zfile_restat (file);
assert (zfile_is_stable (file));
assert (streq (zfile_digest (file), "4AB299C8AD6ED14F31923DD94F8B5F5CB89DFB54"));
// Check we can read from file
rc = zfile_input (file);
assert (rc == 0);
chunk = zfile_read (file, 1000100, 0);
assert (chunk);
assert (zchunk_size (chunk) == 13);
zchunk_destroy (&chunk);
zfile_close (file);
// Check we can read lines from file
rc = zfile_input (file);
assert (rc == 0);
const char *line = zfile_readln (file);
assert (streq (line, "Hello, World"));
line = zfile_readln (file);
assert (line == NULL);
zfile_close (file);
// Try some fun with symbolic links
zfile_t *link = zfile_new (dirpath, testlink);
assert (link);
rc = zfile_output (link);
assert (rc == 0);
fprintf (zfile_handle (link), "%s\n", filepath);
zfile_destroy (&link);
link = zfile_new (dirpath, testlink);
assert (link);
rc = zfile_input (link);
assert (rc == 0);
chunk = zfile_read (link, 1000100, 0);
assert (chunk);
assert (zchunk_size (chunk) == 13);
zchunk_destroy (&chunk);
zfile_destroy (&link);
// Remove file and directory
zdir_t *dir = zdir_new (basedirpath, NULL);
assert (dir);
assert (zdir_cursize (dir) == 26);
zdir_remove (dir, true);
assert (zdir_cursize (dir) == 0);
zdir_destroy (&dir);
// Check we can no longer read from file
assert (zfile_is_readable (file));
zfile_restat (file);
assert (!zfile_is_readable (file));
rc = zfile_input (file);
assert (rc == -1);
zfile_destroy (&file);
// This set of tests is done, free the strings for reuse
zstr_free (&basedirpath);
zstr_free (&dirpath);
zstr_free (&filepath);
zstr_free (&linkpath);
const char *eof_checkfile = "eof_checkfile";
filepath = zsys_sprintf ("%s/%s", SELFTEST_DIR_RW, eof_checkfile);
assert (filepath);
if (zfile_exists (filepath) ) {
if (verbose)
zsys_debug ("zfile_test() has to remove %s that should not have been here", filepath);
zfile_delete (filepath);
}
zstr_free (&filepath);
file = zfile_new (SELFTEST_DIR_RW, eof_checkfile);
assert (file);
// 1. Write something first
rc = zfile_output (file);
assert (rc == 0);
chunk = zchunk_new ("123456789", 9);
assert (chunk);
rc = zfile_write (file, chunk, 0);
assert (rc == 0);
zchunk_destroy (&chunk);
zfile_close (file);
assert (zfile_cursize (file) == 9);
// 2. Read the written something
rc = zfile_input (file);
assert (rc != -1);
// try to read more bytes than there is in the file
chunk = zfile_read (file, 1000, 0);
assert (zfile_eof(file));
assert (zchunk_streq (chunk, "123456789"));
zchunk_destroy (&chunk);
// reading is ok
chunk = zfile_read (file, 5, 0);
assert (!zfile_eof(file));
assert (zchunk_streq (chunk, "12345"));
zchunk_destroy (&chunk);
// read from non zero offset until the end
chunk = zfile_read (file, 5, 5);
assert (zfile_eof(file));
assert (zchunk_streq (chunk, "6789"));
zchunk_destroy (&chunk);
zfile_remove (file);
zfile_close (file);
zfile_destroy (&file);
#ifdef CZMQ_BUILD_DRAFT_API
zfile_t *tempfile = zfile_tmp ();
assert (tempfile);
assert (zfile_filename (tempfile, NULL));
assert (zsys_file_exists (zfile_filename (tempfile, NULL)));
zchunk_t *tchunk = zchunk_new ("HELLO", 6);
assert (zfile_write (tempfile, tchunk, 0) == 0);
zchunk_destroy (&tchunk);
char *filename = strdup (zfile_filename (tempfile, NULL));
zfile_destroy (&tempfile);
assert (!zsys_file_exists (filename));
zstr_free (&filename);
#endif // CZMQ_BUILD_DRAFT_API
#if defined (__WINDOWS__)
zsys_shutdown();
#endif
// @end
printf ("OK\n");
}
int
fmq_msg_send (fmq_msg_t *self, zsock_t *output)
{
assert (self);
assert (output);
if (zsock_type (output) == ZMQ_ROUTER)
zframe_send (&self->routing_id, output, ZFRAME_MORE + ZFRAME_REUSE);
size_t frame_size = 2 + 1; // Signature and message ID
switch (self->id) {
case FMQ_MSG_OHAI:
frame_size += 1 + strlen ("FILEMQ");
frame_size += 2; // version
break;
case FMQ_MSG_ICANHAZ:
frame_size += 4;
if (self->path)
frame_size += strlen (self->path);
frame_size += 4; // Size is 4 octets
if (self->options) {
self->options_bytes = 0;
char *item = (char *) zhash_first (self->options);
while (item) {
self->options_bytes += 1 + strlen (zhash_cursor (self->options));
self->options_bytes += 4 + strlen (item);
item = (char *) zhash_next (self->options);
}
}
frame_size += self->options_bytes;
frame_size += 4; // Size is 4 octets
if (self->cache) {
self->cache_bytes = 0;
char *item = (char *) zhash_first (self->cache);
while (item) {
self->cache_bytes += 1 + strlen (zhash_cursor (self->cache));
self->cache_bytes += 4 + strlen (item);
item = (char *) zhash_next (self->cache);
}
}
frame_size += self->cache_bytes;
break;
case FMQ_MSG_NOM:
frame_size += 8; // credit
frame_size += 8; // sequence
break;
case FMQ_MSG_CHEEZBURGER:
frame_size += 8; // sequence
frame_size += 1; // operation
frame_size += 4;
if (self->filename)
frame_size += strlen (self->filename);
frame_size += 8; // offset
frame_size += 1; // eof
frame_size += 4; // Size is 4 octets
if (self->headers) {
self->headers_bytes = 0;
char *item = (char *) zhash_first (self->headers);
while (item) {
self->headers_bytes += 1 + strlen (zhash_cursor (self->headers));
self->headers_bytes += 4 + strlen (item);
item = (char *) zhash_next (self->headers);
}
}
frame_size += self->headers_bytes;
frame_size += 4; // Size is 4 octets
if (self->chunk)
frame_size += zchunk_size (self->chunk);
break;
case FMQ_MSG_SRSLY:
frame_size += 1 + strlen (self->reason);
break;
case FMQ_MSG_RTFM:
frame_size += 1 + strlen (self->reason);
break;
}
// Now serialize message into the frame
zmq_msg_t frame;
zmq_msg_init_size (&frame, frame_size);
self->needle = (byte *) zmq_msg_data (&frame);
PUT_NUMBER2 (0xAAA0 | 3);
PUT_NUMBER1 (self->id);
size_t nbr_frames = 1; // Total number of frames to send
switch (self->id) {
case FMQ_MSG_OHAI:
PUT_STRING ("FILEMQ");
PUT_NUMBER2 (FMQ_MSG_VERSION);
break;
case FMQ_MSG_ICANHAZ:
if (self->path) {
PUT_LONGSTR (self->path);
}
else
PUT_NUMBER4 (0); // Empty string
if (self->options) {
PUT_NUMBER4 (zhash_size (self->options));
char *item = (char *) zhash_first (self->options);
while (item) {
PUT_STRING (zhash_cursor (self->options));
PUT_LONGSTR (item);
item = (char *) zhash_next (self->options);
}
}
else
PUT_NUMBER4 (0); // Empty hash
if (self->cache) {
PUT_NUMBER4 (zhash_size (self->cache));
char *item = (char *) zhash_first (self->cache);
while (item) {
PUT_STRING (zhash_cursor (self->cache));
PUT_LONGSTR (item);
item = (char *) zhash_next (self->cache);
}
}
else
PUT_NUMBER4 (0); // Empty hash
break;
case FMQ_MSG_NOM:
PUT_NUMBER8 (self->credit);
PUT_NUMBER8 (self->sequence);
break;
case FMQ_MSG_CHEEZBURGER:
PUT_NUMBER8 (self->sequence);
PUT_NUMBER1 (self->operation);
if (self->filename) {
PUT_LONGSTR (self->filename);
}
else
PUT_NUMBER4 (0); // Empty string
PUT_NUMBER8 (self->offset);
PUT_NUMBER1 (self->eof);
if (self->headers) {
PUT_NUMBER4 (zhash_size (self->headers));
char *item = (char *) zhash_first (self->headers);
while (item) {
PUT_STRING (zhash_cursor (self->headers));
PUT_LONGSTR (item);
item = (char *) zhash_next (self->headers);
}
}
else
PUT_NUMBER4 (0); // Empty hash
if (self->chunk) {
PUT_NUMBER4 (zchunk_size (self->chunk));
memcpy (self->needle,
zchunk_data (self->chunk),
zchunk_size (self->chunk));
self->needle += zchunk_size (self->chunk);
}
else
PUT_NUMBER4 (0); // Empty chunk
break;
case FMQ_MSG_SRSLY:
PUT_STRING (self->reason);
break;
case FMQ_MSG_RTFM:
PUT_STRING (self->reason);
break;
}
// Now send the data frame
zmq_msg_send (&frame, zsock_resolve (output), --nbr_frames? ZMQ_SNDMORE: 0);
return 0;
}
void
zsync_node_engine (void *args, zctx_t *ctx, void *pipe)
{
int rc;
zsync_node_t *self = zsync_node_new ();
self->ctx = ctx;
self->zyre = zyre_new (ctx);
self->zsync_pipe = pipe;
// Join group
rc = zyre_join (self->zyre, "ZSYNC");
assert (rc == 0);
// Give time to interconnect
zclock_sleep (250);
zpoller_t *poller = zpoller_new (zyre_socket (self->zyre), self->zsync_pipe, NULL);
// Create thread for file management
self->file_pipe = zthread_fork (self->ctx, zsync_ftmanager_engine, NULL);
zpoller_add (poller, self->file_pipe);
// Create thread for credit management
self->credit_pipe = zthread_fork (self->ctx, zsync_credit_manager_engine, NULL);
zpoller_add (poller, self->credit_pipe);
// Start receiving messages
printf("[ND] started\n");
while (!zpoller_terminated (poller)) {
void *which = zpoller_wait (poller, -1);
if (which == zyre_socket (self->zyre)) {
zsync_node_recv_from_zyre (self);
}
else
if (which == self->zsync_pipe) {
printf("[ND] Recv Agent\n");
zsync_node_recv_from_agent (self);
}
else
if (which == self->file_pipe) {
printf("[ND] Recv FT Manager\n");
zsync_ftm_msg_t *msg = zsync_ftm_msg_recv (self->file_pipe);
char *receiver = zsync_ftm_msg_receiver (msg);
char *zyre_uuid = zsync_node_zyre_uuid (self, receiver);
if (zyre_uuid) {
char *path = zsync_ftm_msg_path (msg);
uint64_t sequence = zsync_ftm_msg_sequence (msg);
uint64_t chunk_size = zsync_ftm_msg_chunk_size (msg);
uint64_t offset = zsync_ftm_msg_offset (msg);
zsync_msg_send_req_chunk (pipe, path, chunk_size, offset);
zsync_msg_t *zsmsg = zsync_msg_recv (pipe);
zchunk_t *chunk = zsync_msg_chunk (zsmsg);
zframe_t *frame = zframe_new (zchunk_data (chunk), zchunk_size (chunk));
zmsg_t *zmsg = zmsg_new ();
zs_msg_pack_chunk (zmsg, sequence, path, offset, frame);
zyre_whisper (self->zyre, zyre_uuid, &zmsg);
zsync_ftm_msg_destroy (&msg);
zsync_msg_destroy (&zsmsg);
}
}
else
if (which == self->credit_pipe) {
printf("[ND] Recv Credit Manager\n");
zsync_credit_msg_t *cmsg = zsync_credit_msg_recv (self->credit_pipe);
char *receiver = zsync_credit_msg_receiver (cmsg);
char *zyre_uuid = zsync_node_zyre_uuid (self, receiver);
if (zyre_uuid) {
zmsg_t *credit_msg = zsync_credit_msg_credit (cmsg);
assert (rc == 0);
zyre_whisper (self->zyre, zyre_uuid, &credit_msg);
}
zsync_credit_msg_destroy (&cmsg);
}
if (self->terminated) {
break;
}
}
zpoller_destroy (&poller);
zsync_node_destroy (&self);
printf("[ND] stopped\n");
}
JNIEXPORT jlong JNICALL
Java_org_zeromq_czmq_Zchunk__1_1size (JNIEnv *env, jclass c, jlong self)
{
jlong size_ = (jlong) zchunk_size ((zchunk_t *) (intptr_t) self);
return size_;
}
