mirror of
https://github.com/git/git
synced 2024-07-07 19:39:27 +00:00
Improve lock handling
Improve lock handling: parse the server response for the timeout, owner, and lock token Signed-off-by: Nick Hengeveld <nickh@reactrix.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Nick Hengeveld
Junio C Hamano
parent
0772b9a633
commit
26349b2e5e
201
http-push.c
201
http-push.c
|
|
@ -55,7 +55,6 @@ static CURL *curl_default;
|
|||
static struct curl_slist *no_pragma_header;
|
||||
static struct curl_slist *default_headers;
|
||||
static char curl_errorstr[CURL_ERROR_SIZE];
|
||||
static char *lock_token = NULL;
|
||||
|
||||
static int push_verbosely = 0;
|
||||
static int push_all = 0;
|
||||
|
|
@ -92,7 +91,7 @@ struct transfer_request
|
|||
unsigned char sha1[20];
|
||||
char *url;
|
||||
char *dest;
|
||||
char *lock_token;
|
||||
struct active_lock *lock;
|
||||
struct curl_slist *headers;
|
||||
struct buffer buffer;
|
||||
char filename[PATH_MAX];
|
||||
|
|
@ -136,6 +135,20 @@ static char *ssl_cainfo = NULL;
|
|||
static long curl_low_speed_limit = -1;
|
||||
static long curl_low_speed_time = -1;
|
||||
|
||||
struct active_lock
|
||||
{
|
||||
int ctx_activelock;
|
||||
int ctx_owner;
|
||||
int ctx_owner_href;
|
||||
int ctx_timeout;
|
||||
int ctx_locktoken;
|
||||
int ctx_locktoken_href;
|
||||
char *owner;
|
||||
time_t start_time;
|
||||
long timeout;
|
||||
char *token;
|
||||
};
|
||||
|
||||
struct lockprop
|
||||
{
|
||||
int supported_lock;
|
||||
|
|
@ -509,7 +522,7 @@ static void start_put(struct transfer_request *request)
|
|||
if (request->url != NULL)
|
||||
free(request->url);
|
||||
request->url = xmalloc(strlen(remote->url) +
|
||||
strlen(request->lock_token) + 51);
|
||||
strlen(request->lock->token) + 51);
|
||||
strcpy(request->url, remote->url);
|
||||
posn = request->url + strlen(remote->url);
|
||||
strcpy(posn, "objects/");
|
||||
|
|
@ -522,7 +535,7 @@ static void start_put(struct transfer_request *request)
|
|||
sprintf(request->dest, "Destination: %s", request->url);
|
||||
posn += 38;
|
||||
*(posn++) = '.';
|
||||
strcpy(posn, request->lock_token);
|
||||
strcpy(posn, request->lock->token);
|
||||
|
||||
slot = get_active_slot();
|
||||
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer);
|
||||
|
|
@ -724,7 +737,7 @@ void process_waiting_requests(void)
|
|||
}
|
||||
}
|
||||
|
||||
void add_request(unsigned char *sha1, char *lock_token)
|
||||
void add_request(unsigned char *sha1, struct active_lock *lock)
|
||||
{
|
||||
struct transfer_request *request = request_queue_head;
|
||||
struct packed_git *target;
|
||||
|
|
@ -741,7 +754,7 @@ void add_request(unsigned char *sha1, char *lock_token)
|
|||
request = xmalloc(sizeof(*request));
|
||||
memcpy(request->sha1, sha1, 20);
|
||||
request->url = NULL;
|
||||
request->lock_token = lock_token;
|
||||
request->lock = lock;
|
||||
request->headers = NULL;
|
||||
request->state = NEED_CHECK;
|
||||
request->next = request_queue_head;
|
||||
|
|
@ -998,6 +1011,68 @@ int fetch_ref(char *ref, unsigned char *sha1)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
start_activelock_element(void *userData, const char *name, const char **atts)
|
||||
{
|
||||
struct active_lock *lock = (struct active_lock *)userData;
|
||||
|
||||
if (lock->ctx_activelock && !strcmp(name, "D:timeout"))
|
||||
lock->ctx_timeout = 1;
|
||||
else if (lock->ctx_owner && strstr(name, "href"))
|
||||
lock->ctx_owner_href = 1;
|
||||
else if (lock->ctx_activelock && strstr(name, "owner"))
|
||||
lock->ctx_owner = 1;
|
||||
else if (lock->ctx_locktoken && !strcmp(name, "D:href"))
|
||||
lock->ctx_locktoken_href = 1;
|
||||
else if (lock->ctx_activelock && !strcmp(name, "D:locktoken"))
|
||||
lock->ctx_locktoken = 1;
|
||||
else if (!strcmp(name, "D:activelock"))
|
||||
lock->ctx_activelock = 1;
|
||||
}
|
||||
|
||||
static void
|
||||
end_activelock_element(void *userData, const char *name)
|
||||
{
|
||||
struct active_lock *lock = (struct active_lock *)userData;
|
||||
|
||||
if (lock->ctx_timeout && !strcmp(name, "D:timeout")) {
|
||||
lock->ctx_timeout = 0;
|
||||
} else if (lock->ctx_owner_href && strstr(name, "href")) {
|
||||
lock->ctx_owner_href = 0;
|
||||
} else if (lock->ctx_owner && strstr(name, "owner")) {
|
||||
lock->ctx_owner = 0;
|
||||
} else if (lock->ctx_locktoken_href && !strcmp(name, "D:href")) {
|
||||
lock->ctx_locktoken_href = 0;
|
||||
} else if (lock->ctx_locktoken && !strcmp(name, "D:locktoken")) {
|
||||
lock->ctx_locktoken = 0;
|
||||
} else if (lock->ctx_activelock && !strcmp(name, "D:activelock")) {
|
||||
lock->ctx_activelock = 0;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
activelock_cdata(void *userData, const XML_Char *s, int len)
|
||||
{
|
||||
struct active_lock *lock = (struct active_lock *)userData;
|
||||
char *this = malloc(len+1);
|
||||
strncpy(this, s, len);
|
||||
|
||||
if (lock->ctx_owner_href) {
|
||||
lock->owner = malloc(len+1);
|
||||
strcpy(lock->owner, this);
|
||||
} else if (lock->ctx_locktoken_href) {
|
||||
if (!strncmp(this, "opaquelocktoken:", 16)) {
|
||||
lock->token = malloc(len-15);
|
||||
strcpy(lock->token, this+16);
|
||||
}
|
||||
} else if (lock->ctx_timeout) {
|
||||
if (!strncmp(this, "Second-", 7))
|
||||
lock->timeout = strtol(this+7, NULL, 10);
|
||||
}
|
||||
|
||||
free(this);
|
||||
}
|
||||
|
||||
static void
|
||||
start_lockprop_element(void *userData, const char *name, const char **atts)
|
||||
{
|
||||
|
|
@ -1039,40 +1114,21 @@ end_lockprop_element(void *userData, const char *name)
|
|||
}
|
||||
}
|
||||
|
||||
size_t process_lock_header( void *ptr, size_t size, size_t nmemb, void *stream)
|
||||
{
|
||||
size_t header_size = size*nmemb;
|
||||
char *start;
|
||||
char *end;
|
||||
|
||||
if (!strncmp(ptr, "Lock-Token: <opaquelocktoken:", 29)) {
|
||||
start = ptr + 29;
|
||||
for (end = ptr + header_size;
|
||||
*(end - 1) == '\r' || *(end - 1) == '\n' || *(end - 1) == '>';
|
||||
end--) {}
|
||||
if (end > start) {
|
||||
lock_token = xmalloc(end - start + 1);
|
||||
memcpy(lock_token, start, end - start);
|
||||
lock_token[end - start] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return header_size;
|
||||
}
|
||||
|
||||
char *lock_remote(char *file, int timeout)
|
||||
struct active_lock *lock_remote(char *file, int timeout)
|
||||
{
|
||||
struct active_request_slot *slot;
|
||||
struct buffer out_buffer;
|
||||
struct buffer in_buffer;
|
||||
char *out_data;
|
||||
char *in_data;
|
||||
char *url;
|
||||
char *ep;
|
||||
char timeout_header[25];
|
||||
struct active_lock *new_lock;
|
||||
XML_Parser parser = XML_ParserCreate(NULL);
|
||||
enum XML_Status result;
|
||||
struct curl_slist *dav_headers = NULL;
|
||||
|
||||
if (lock_token != NULL)
|
||||
free(lock_token);
|
||||
|
||||
url = xmalloc(strlen(remote->url) + strlen(file) + 1);
|
||||
sprintf(url, "%s%s", remote->url, file);
|
||||
|
||||
|
|
@ -1110,6 +1166,16 @@ char *lock_remote(char *file, int timeout)
|
|||
out_buffer.posn = 0;
|
||||
out_buffer.buffer = out_data;
|
||||
|
||||
in_buffer.size = 4096;
|
||||
in_data = xmalloc(in_buffer.size);
|
||||
in_buffer.posn = 0;
|
||||
in_buffer.buffer = in_data;
|
||||
|
||||
new_lock = xmalloc(sizeof(*new_lock));
|
||||
new_lock->owner = NULL;
|
||||
new_lock->token = NULL;
|
||||
new_lock->timeout = -1;
|
||||
|
||||
sprintf(timeout_header, "Timeout: Second-%d", timeout);
|
||||
dav_headers = curl_slist_append(dav_headers, timeout_header);
|
||||
dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
|
||||
|
|
@ -1118,9 +1184,9 @@ char *lock_remote(char *file, int timeout)
|
|||
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_HEADERFUNCTION,
|
||||
process_lock_header);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION,
|
||||
fwrite_buffer_dynamic);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
||||
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
|
||||
|
|
@ -1130,13 +1196,17 @@ char *lock_remote(char *file, int timeout)
|
|||
run_active_slot(slot);
|
||||
if (slot->curl_result != CURLE_OK) {
|
||||
fprintf(stderr, "Got HTTP error %ld\n", slot->http_code);
|
||||
free(new_lock);
|
||||
free(url);
|
||||
free(out_data);
|
||||
free(in_data);
|
||||
return NULL;
|
||||
}
|
||||
} else {
|
||||
free(new_lock);
|
||||
free(url);
|
||||
free(out_data);
|
||||
free(in_data);
|
||||
fprintf(stderr, "Unable to start request\n");
|
||||
return NULL;
|
||||
}
|
||||
|
|
@ -1144,10 +1214,33 @@ char *lock_remote(char *file, int timeout)
|
|||
free(url);
|
||||
free(out_data);
|
||||
|
||||
return strdup(lock_token);
|
||||
XML_SetUserData(parser, new_lock);
|
||||
XML_SetElementHandler(parser, start_activelock_element,
|
||||
end_activelock_element);
|
||||
XML_SetCharacterDataHandler(parser, activelock_cdata);
|
||||
result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1);
|
||||
free(in_data);
|
||||
if (result != XML_STATUS_OK) {
|
||||
fprintf(stderr, "%s", XML_ErrorString(
|
||||
XML_GetErrorCode(parser)));
|
||||
free(new_lock);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (new_lock->token == NULL || new_lock->timeout <= 0) {
|
||||
if (new_lock->token != NULL)
|
||||
free(new_lock->token);
|
||||
if (new_lock->owner != NULL)
|
||||
free(new_lock->owner);
|
||||
free(new_lock);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
new_lock->start_time = time(NULL);
|
||||
return new_lock;
|
||||
}
|
||||
|
||||
int unlock_remote(char *file, char *lock_token)
|
||||
int unlock_remote(char *file, struct active_lock *lock)
|
||||
{
|
||||
struct active_request_slot *slot;
|
||||
char *url;
|
||||
|
|
@ -1155,14 +1248,9 @@ int unlock_remote(char *file, char *lock_token)
|
|||
struct curl_slist *dav_headers = NULL;
|
||||
int rc = 0;
|
||||
|
||||
if (lock_token == NULL) {
|
||||
fprintf(stderr, "Unable to unlock, no lock token");
|
||||
return 0;
|
||||
}
|
||||
|
||||
lock_token_header = xmalloc(strlen(lock_token) + 31);
|
||||
lock_token_header = xmalloc(strlen(lock->token) + 31);
|
||||
sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>",
|
||||
lock_token);
|
||||
lock->token);
|
||||
url = xmalloc(strlen(remote->url) + strlen(file) + 1);
|
||||
sprintf(url, "%s%s", remote->url, file);
|
||||
dav_headers = curl_slist_append(dav_headers, lock_token_header);
|
||||
|
|
@ -1278,7 +1366,8 @@ int is_ancestor(unsigned char *sha1, struct commit *commit)
|
|||
return 0;
|
||||
}
|
||||
|
||||
void get_delta(unsigned char *sha1, struct object *obj, char *lock_token)
|
||||
void get_delta(unsigned char *sha1, struct object *obj,
|
||||
struct active_lock *lock)
|
||||
{
|
||||
struct commit *commit;
|
||||
struct commit_list *parents;
|
||||
|
|
@ -1294,7 +1383,7 @@ void get_delta(unsigned char *sha1, struct object *obj, char *lock_token)
|
|||
if (obj->type == commit_type) {
|
||||
if (push_verbosely)
|
||||
fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1));
|
||||
add_request(obj->sha1, lock_token);
|
||||
add_request(obj->sha1, lock);
|
||||
commit = (struct commit *)obj;
|
||||
if (parse_commit(commit)) {
|
||||
fprintf(stderr, "Error parsing commit %s\n",
|
||||
|
|
@ -1307,12 +1396,12 @@ void get_delta(unsigned char *sha1, struct object *obj, char *lock_token)
|
|||
if (sha1 == NULL ||
|
||||
memcmp(sha1, parents->item->object.sha1, 20))
|
||||
get_delta(sha1, &parents->item->object,
|
||||
lock_token);
|
||||
get_delta(sha1, &commit->tree->object, lock_token);
|
||||
lock);
|
||||
get_delta(sha1, &commit->tree->object, lock);
|
||||
} else if (obj->type == tree_type) {
|
||||
if (push_verbosely)
|
||||
fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1));
|
||||
add_request(obj->sha1, lock_token);
|
||||
add_request(obj->sha1, lock);
|
||||
tree = (struct tree *)obj;
|
||||
if (parse_tree(tree)) {
|
||||
fprintf(stderr, "Error parsing tree %s\n",
|
||||
|
|
@ -1324,17 +1413,18 @@ void get_delta(unsigned char *sha1, struct object *obj, char *lock_token)
|
|||
tree->entries = NULL;
|
||||
while (entry) {
|
||||
struct tree_entry_list *next = entry->next;
|
||||
get_delta(sha1, entry->item.any, lock_token);
|
||||
get_delta(sha1, entry->item.any, lock);
|
||||
free(entry->name);
|
||||
free(entry);
|
||||
entry = next;
|
||||
}
|
||||
} else if (obj->type == blob_type || obj->type == tag_type) {
|
||||
add_request(obj->sha1, lock_token);
|
||||
add_request(obj->sha1, lock);
|
||||
}
|
||||
}
|
||||
|
||||
int update_remote(char *remote_path, unsigned char *sha1, char *lock_token)
|
||||
int update_remote(char *remote_path, unsigned char *sha1,
|
||||
struct active_lock *lock)
|
||||
{
|
||||
struct active_request_slot *slot;
|
||||
char *url;
|
||||
|
|
@ -1347,8 +1437,8 @@ int update_remote(char *remote_path, unsigned char *sha1, char *lock_token)
|
|||
url = xmalloc(strlen(remote->url) + strlen(remote_path) + 1);
|
||||
sprintf(url, "%s%s", remote->url, remote_path);
|
||||
|
||||
if_header = xmalloc(strlen(lock_token) + 25);
|
||||
sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock_token);
|
||||
if_header = xmalloc(strlen(lock->token) + 25);
|
||||
sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token);
|
||||
dav_headers = curl_slist_append(dav_headers, if_header);
|
||||
|
||||
out_buffer.size = 41;
|
||||
|
|
@ -1411,7 +1501,7 @@ int main(int argc, char **argv)
|
|||
struct object *local_object = NULL;
|
||||
char *remote_ref = NULL;
|
||||
unsigned char remote_sha1[20];
|
||||
char *remote_lock = NULL;
|
||||
struct active_lock *remote_lock;
|
||||
char *remote_path = NULL;
|
||||
char *low_speed_limit;
|
||||
char *low_speed_time;
|
||||
|
|
@ -1630,6 +1720,9 @@ int main(int argc, char **argv)
|
|||
unlock:
|
||||
unlock_remote(remote_path, remote_lock);
|
||||
free(remote_path);
|
||||
if (remote_lock->owner != NULL)
|
||||
free(remote_lock->owner);
|
||||
free(remote_lock->token);
|
||||
free(remote_lock);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user