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Reduce indentation of HTTPFetchOngoing

Browse Source 
Also clean up some related things.
This commit is contained in:
ShadowNinja 2014-09-14 20:46:45 -04:00
parent 18bfa1c785
commit 86a3c8ce56
8 changed files with 318 additions and 321 deletions
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60
src/clientmedia.cpp
View File

@ -140,17 +140,17 @@ void ClientMediaDownloader::step(Client *client)
// Remote media: check for completion of fetches
if (m_httpfetch_active) {
bool fetched_something = false;
HTTPFetchResult fetchresult;
HTTPFetchResult fetch_result;
while (httpfetch_async_get(m_httpfetch_caller, fetchresult)) {
while (httpfetch_async_get(m_httpfetch_caller, fetch_result)) {
m_httpfetch_active--;
fetched_something = true;
// Is this a hashset (index.mth) or a media file?
if (fetchresult.request_id < m_remotes.size())
remoteHashSetReceived(fetchresult);
if (fetch_result.request_id < m_remotes.size())
remoteHashSetReceived(fetch_result);
else
remoteMediaReceived(fetchresult, client);
remoteMediaReceived(fetch_result, client);
}
if (fetched_something)
@ -259,17 +259,17 @@ void ClientMediaDownloader::initialStep(Client *client)
actionstream << "Client: Contacting remote server \""
<< remote->baseurl << "\"" << std::endl;
HTTPFetchRequest fetchrequest;
fetchrequest.url =
HTTPFetchRequest fetch_request;
fetch_request.url =
remote->baseurl + MTHASHSET_FILE_NAME;
fetchrequest.caller = m_httpfetch_caller;
fetchrequest.request_id = m_httpfetch_next_id; // == i
fetchrequest.timeout = m_httpfetch_timeout;
fetchrequest.connect_timeout = m_httpfetch_timeout;
fetchrequest.post_data = required_hash_set;
fetchrequest.extra_headers.push_back(
fetch_request.caller = m_httpfetch_caller;
fetch_request.request_id = m_httpfetch_next_id; // == i
fetch_request.timeout = m_httpfetch_timeout;
fetch_request.connect_timeout = m_httpfetch_timeout;
fetch_request.post_data = required_hash_set;
fetch_request.extra_headers.push_back(
"Content-Type: application/octet-stream");
httpfetch_async(fetchrequest);
httpfetch_async(fetch_request);
m_httpfetch_active++;
m_httpfetch_next_id++;
@ -279,21 +279,21 @@ void ClientMediaDownloader::initialStep(Client *client)
}
void ClientMediaDownloader::remoteHashSetReceived(
const HTTPFetchResult &fetchresult)
const HTTPFetchResult &fetch_result)
{
u32 remote_id = fetchresult.request_id;
u32 remote_id = fetch_result.request_id;
assert(remote_id < m_remotes.size());
RemoteServerStatus *remote = m_remotes[remote_id];
m_outstanding_hash_sets--;
if (fetchresult.succeeded) {
if (fetch_result.succeeded) {
try {
// Server sent a list of file hashes that are
// available on it, try to parse the list
std::set<std::string> sha1_set;
deSerializeHashSet(fetchresult.data, sha1_set);
deSerializeHashSet(fetch_result.data, sha1_set);
// Parsing succeeded: For every file that is
// available on this server, add this server
@ -320,7 +320,7 @@ void ClientMediaDownloader::remoteHashSetReceived(
// Do NOT check for any particular response code (e.g. 404) here,
// because different servers respond differently
if (!fetchresult.succeeded && !fetchresult.timeout) {
if (!fetch_result.succeeded && !fetch_result.timeout) {
infostream << "Client: Enabling compatibility mode for remote "
<< "server \"" << remote->baseurl << "\"" << std::endl;
remote->request_by_filename = true;
@ -338,7 +338,7 @@ void ClientMediaDownloader::remoteHashSetReceived(
}
void ClientMediaDownloader::remoteMediaReceived(
const HTTPFetchResult &fetchresult,
const HTTPFetchResult &fetch_result,
Client *client)
{
// Some remote server sent us a file.
@ -349,7 +349,7 @@ void ClientMediaDownloader::remoteMediaReceived(
std::string name;
{
std::map<unsigned long, std::string>::iterator it =
m_remote_file_transfers.find(fetchresult.request_id);
m_remote_file_transfers.find(fetch_result.request_id);
assert(it != m_remote_file_transfers.end());
name = it->second;
m_remote_file_transfers.erase(it);
@ -368,9 +368,9 @@ void ClientMediaDownloader::remoteMediaReceived(
// If fetch succeeded, try to load media file
if (fetchresult.succeeded) {
if (fetch_result.succeeded) {
bool success = checkAndLoad(name, filestatus->sha1,
fetchresult.data, false, client);
fetch_result.data, false, client);
if (success) {
filestatus->received = true;
assert(m_uncached_received_count < m_uncached_count);
@ -445,14 +445,14 @@ void ClientMediaDownloader::startRemoteMediaTransfers()
<< "\"" << name << "\" "
<< "\"" << url << "\"" << std::endl;
HTTPFetchRequest fetchrequest;
fetchrequest.url = url;
fetchrequest.caller = m_httpfetch_caller;
fetchrequest.request_id = m_httpfetch_next_id;
fetchrequest.timeout = 0; // no data timeout!
fetchrequest.connect_timeout =
HTTPFetchRequest fetch_request;
fetch_request.url = url;
fetch_request.caller = m_httpfetch_caller;
fetch_request.request_id = m_httpfetch_next_id;
fetch_request.timeout = 0; // no data timeout!
fetch_request.connect_timeout =
m_httpfetch_timeout;
httpfetch_async(fetchrequest);
httpfetch_async(fetch_request);
m_remote_file_transfers.insert(std::make_pair(
m_httpfetch_next_id,

4
src/clientmedia.h
View File

@ -96,8 +96,8 @@ private:
};
void initialStep(Client *client);
void remoteHashSetReceived(const HTTPFetchResult &fetchresult);
void remoteMediaReceived(const HTTPFetchResult &fetchresult,
void remoteHashSetReceived(const HTTPFetchResult &fetch_result);
void remoteMediaReceived(const HTTPFetchResult &fetch_result,
Client *client);
s32 selectRemoteServer(FileStatus *filestatus);
void startRemoteMediaTransfers();

39
src/convert_json.cpp
View File

@ -30,45 +30,34 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "httpfetch.h"
#include "porting.h"
Json::Value fetchJsonValue(const std::string &url,
std::vector<std::string> *extra_headers) {
HTTPFetchRequest fetchrequest;
HTTPFetchResult fetchresult;
fetchrequest.url = url;
fetchrequest.caller = HTTPFETCH_SYNC;
Json::Value fetchJsonValue(const std::string &url,
std::vector<std::string> *extra_headers)
{
HTTPFetchRequest fetch_request;
HTTPFetchResult fetch_result;
fetch_request.url = url;
fetch_request.caller = HTTPFETCH_SYNC;
if (extra_headers != NULL)
fetchrequest.extra_headers = *extra_headers;
fetch_request.extra_headers = *extra_headers;
httpfetch_sync(fetchrequest,fetchresult);
httpfetch_sync(fetch_request, fetch_result);
if (!fetchresult.succeeded) {
if (!fetch_result.succeeded) {
return Json::Value();
}
Json::Value root;
Json::Reader reader;
std::istringstream stream(fetchresult.data);
std::istringstream stream(fetch_result.data);
if (!reader.parse( stream, root ) )
{
if (!reader.parse(stream, root)) {
errorstream << "URL: " << url << std::endl;
errorstream << "Failed to parse json data " << reader.getFormattedErrorMessages();
errorstream << "data: \"" << fetchresult.data << "\"" << std::endl;
errorstream << "data: \"" << fetch_result.data << "\"" << std::endl;
return Json::Value();
}
if (root.isArray()) {
return root;
}
if ((root["list"].isArray())) {
return root["list"];
}
else {
return root;
}
return Json::Value();
return root;
}
std::vector<ModStoreMod> readModStoreList(Json::Value& modlist) {

23
src/guiEngine.cpp
View File

@ -528,27 +528,26 @@ bool GUIEngine::setTexture(texture_layer layer, std::string texturepath,
}
/******************************************************************************/
bool GUIEngine::downloadFile(std::string url,std::string target)
bool GUIEngine::downloadFile(std::string url, std::string target)
{
#if USE_CURL
std::ofstream targetfile(target.c_str(), std::ios::out | std::ios::binary);
std::ofstream target_file(target.c_str(), std::ios::out | std::ios::binary);
if (!targetfile.good()) {
if (!target_file.good()) {
return false;
}
HTTPFetchRequest fetchrequest;
HTTPFetchResult fetchresult;
fetchrequest.url = url;
fetchrequest.caller = HTTPFETCH_SYNC;
fetchrequest.timeout = g_settings->getS32("curl_file_download_timeout");
httpfetch_sync(fetchrequest, fetchresult);
HTTPFetchRequest fetch_request;
HTTPFetchResult fetch_result;
fetch_request.url = url;
fetch_request.caller = HTTPFETCH_SYNC;
fetch_request.timeout = g_settings->getS32("curl_file_download_timeout");
httpfetch_sync(fetch_request, fetch_result);
if (fetchresult.succeeded) {
targetfile << fetchresult.data;
} else {
if (!fetch_result.succeeded) {
return false;
}
target_file << fetch_result.data;
return true;
#else

455
src/httpfetch.cpp
View File

@ -52,12 +52,12 @@ HTTPFetchRequest::HTTPFetchRequest()
}
static void httpfetch_deliver_result(const HTTPFetchResult &fetchresult)
static void httpfetch_deliver_result(const HTTPFetchResult &fetch_result)
{
unsigned long caller = fetchresult.caller;
unsigned long caller = fetch_result.caller;
if (caller != HTTPFETCH_DISCARD) {
JMutexAutoLock lock(g_httpfetch_mutex);
g_httpfetch_results[caller].push_back(fetchresult);
g_httpfetch_results[caller].push_back(fetch_result);
}
}
@ -97,7 +97,7 @@ void httpfetch_caller_free(unsigned long caller)
}
}
bool httpfetch_async_get(unsigned long caller, HTTPFetchResult &fetchresult)
bool httpfetch_async_get(unsigned long caller, HTTPFetchResult &fetch_result)
{
JMutexAutoLock lock(g_httpfetch_mutex);
@ -108,13 +108,13 @@ bool httpfetch_async_get(unsigned long caller, HTTPFetchResult &fetchresult)
return false;
// Check that result queue is nonempty
std::list<HTTPFetchResult> &callerresults = it->second;
if (callerresults.empty())
std::list<HTTPFetchResult> &caller_results = it->second;
if (caller_results.empty())
return false;
// Pop first result
fetchresult = callerresults.front();
callerresults.pop_front();
fetch_result = caller_results.front();
caller_results.pop_front();
return true;
}
@ -175,8 +175,19 @@ public:
}
};
struct HTTPFetchOngoing
class HTTPFetchOngoing
{
public:
HTTPFetchOngoing(HTTPFetchRequest request, CurlHandlePool *pool);
~HTTPFetchOngoing();
CURLcode start(CURLM *multi);
const HTTPFetchResult * complete(CURLcode res);
const HTTPFetchRequest &getRequest() const { return request; };
const CURL *getEasyHandle() const { return curl; };
private:
CurlHandlePool *pool;
CURL *curl;
CURLM *multi;
@ -184,201 +195,200 @@ struct HTTPFetchOngoing
HTTPFetchResult result;
std::ostringstream oss;
char *post_fields;
struct curl_slist *httpheader;
struct curl_slist *http_header;
curl_httppost *post;
};
HTTPFetchOngoing(HTTPFetchRequest request_, CurlHandlePool *pool_):
pool(pool_),
curl(NULL),
multi(NULL),
request(request_),
result(request_),
oss(std::ios::binary),
httpheader(NULL),
post(NULL)
{
curl = pool->alloc();
if (curl != NULL) {
// Set static cURL options
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 1);
HTTPFetchOngoing::HTTPFetchOngoing(HTTPFetchRequest request_, CurlHandlePool *pool_):
pool(pool_),
curl(NULL),
multi(NULL),
request(request_),
result(request_),
oss(std::ios::binary),
http_header(NULL),
post(NULL)
{
curl = pool->alloc();
if (curl == NULL) {
return;
}
// Set static cURL options
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 1);
#if LIBCURL_VERSION_NUM >= 0x071304
// Restrict protocols so that curl vulnerabilities in
// other protocols don't affect us.
// These settings were introduced in curl 7.19.4.
long protocols =
CURLPROTO_HTTP |
CURLPROTO_HTTPS |
CURLPROTO_FTP |
CURLPROTO_FTPS;
curl_easy_setopt(curl, CURLOPT_PROTOCOLS, protocols);
curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, protocols);
// Restrict protocols so that curl vulnerabilities in
// other protocols don't affect us.
// These settings were introduced in curl 7.19.4.
long protocols =
CURLPROTO_HTTP |
CURLPROTO_HTTPS |
CURLPROTO_FTP |
CURLPROTO_FTPS;
curl_easy_setopt(curl, CURLOPT_PROTOCOLS, protocols);
curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, protocols);
#endif
// Set cURL options based on HTTPFetchRequest
curl_easy_setopt(curl, CURLOPT_URL,
request.url.c_str());
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS,
request.timeout);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
request.connect_timeout);
// Set cURL options based on HTTPFetchRequest
curl_easy_setopt(curl, CURLOPT_URL,
request.url.c_str());
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS,
request.timeout);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
request.connect_timeout);
if (request.useragent != "")
curl_easy_setopt(curl, CURLOPT_USERAGENT, request.useragent.c_str());
if (request.useragent != "")
curl_easy_setopt(curl, CURLOPT_USERAGENT, request.useragent.c_str());
// Set up a write callback that writes to the
// ostringstream ongoing->oss, unless the data
// is to be discarded
if (request.caller == HTTPFETCH_DISCARD) {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
httpfetch_discardfunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, NULL);
}
else {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
httpfetch_writefunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &oss);
}
// Set POST (or GET) data
if (request.post_fields.empty()) {
curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
} else if (request.multipart) {
curl_httppost *last = NULL;
for (std::map<std::string, std::string>::iterator it =
request.post_fields.begin();
it != request.post_fields.end();
++it) {
curl_formadd(&post, &last,
CURLFORM_NAMELENGTH, it->first.size(),
CURLFORM_PTRNAME, it->first.c_str(),
CURLFORM_CONTENTSLENGTH, it->second.size(),
CURLFORM_PTRCONTENTS, it->second.c_str(),
CURLFORM_END);
}
curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
// request.post_fields must now *never* be
// modified until CURLOPT_HTTPPOST is cleared
} else {
curl_easy_setopt(curl, CURLOPT_POST, 1);
if (request.post_data.empty()) {
std::string str;
for (std::map<std::string, std::string>::iterator it =
request.post_fields.begin();
it != request.post_fields.end();
++it) {
if (str != "")
str += "&";
str += urlencode(it->first);
str += "=";
str += urlencode(it->second);
}
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
str.size());
curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS,
str.c_str());
} else {
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
request.post_data.size());
curl_easy_setopt(curl, CURLOPT_POSTFIELDS,
request.post_data.c_str());
// request.post_data must now *never* be
// modified until CURLOPT_POSTFIELDS is cleared
}
}
// Set additional HTTP headers
for (size_t i = 0; i < request.extra_headers.size(); ++i) {
httpheader = curl_slist_append(
httpheader,
request.extra_headers[i].c_str());
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, httpheader);
if (!g_settings->getBool("curl_verify_cert")) {
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
}
}
}
CURLcode start(CURLM *multi_)
{
if (curl == NULL)
return CURLE_FAILED_INIT;
if (multi_) {
// Multi interface (async)
CURLMcode mres = curl_multi_add_handle(multi_, curl);
if (mres != CURLM_OK) {
errorstream<<"curl_multi_add_handle"
<<" returned error code "<<mres
<<std::endl;
return CURLE_FAILED_INIT;
}
multi = multi_; // store for curl_multi_remove_handle
return CURLE_OK;
}
else {
// Easy interface (sync)
return curl_easy_perform(curl);
}
}
void complete(CURLcode res)
{
result.succeeded = (res == CURLE_OK);
result.timeout = (res == CURLE_OPERATION_TIMEDOUT);
result.data = oss.str();
// Get HTTP/FTP response code
result.response_code = 0;
if (curl != NULL) {
if (curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE,
&result.response_code) != CURLE_OK) {
//we failed to get a return code make sure it is still 0
result.response_code = 0;
}
}
if (res != CURLE_OK) {
errorstream<<request.url<<" not found ("
<<curl_easy_strerror(res)<<")"
<<" (response code "<<result.response_code<<")"
<<std::endl;
}
}
~HTTPFetchOngoing()
{
if (multi != NULL) {
CURLMcode mres = curl_multi_remove_handle(multi, curl);
if (mres != CURLM_OK) {
errorstream<<"curl_multi_remove_handle"
<<" returned error code "<<mres
<<std::endl;
}
}
// Set safe options for the reusable cURL handle
// Set up a write callback that writes to the
// ostringstream ongoing->oss, unless the data
// is to be discarded
if (request.caller == HTTPFETCH_DISCARD) {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
httpfetch_discardfunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, NULL);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, NULL);
if (httpheader != NULL) {
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, NULL);
curl_slist_free_all(httpheader);
}
if (post != NULL) {
curl_easy_setopt(curl, CURLOPT_HTTPPOST, NULL);
curl_formfree(post);
}
// Store the cURL handle for reuse
pool->free(curl);
} else {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
httpfetch_writefunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &oss);
}
};
// Set POST (or GET) data
if (request.post_fields.empty()) {
curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
} else if (request.multipart) {
curl_httppost *last = NULL;
for (std::map<std::string, std::string>::iterator it =
request.post_fields.begin();
it != request.post_fields.end(); ++it) {
curl_formadd(&post, &last,
CURLFORM_NAMELENGTH, it->first.size(),
CURLFORM_PTRNAME, it->first.c_str(),
CURLFORM_CONTENTSLENGTH, it->second.size(),
CURLFORM_PTRCONTENTS, it->second.c_str(),
CURLFORM_END);
}
curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
// request.post_fields must now *never* be
// modified until CURLOPT_HTTPPOST is cleared
} else if (request.post_data.empty()) {
curl_easy_setopt(curl, CURLOPT_POST, 1);
std::string str;
for (std::map<std::string, std::string>::iterator it =
request.post_fields.begin();
it != request.post_fields.end();
++it) {
if (str != "")
str += "&";
str += urlencode(it->first);
str += "=";
str += urlencode(it->second);
}
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
str.size());
curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS,
str.c_str());
} else {
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
request.post_data.size());
curl_easy_setopt(curl, CURLOPT_POSTFIELDS,
request.post_data.c_str());
// request.post_data must now *never* be
// modified until CURLOPT_POSTFIELDS is cleared
}
// Set additional HTTP headers
for (std::vector<std::string>::iterator it = request.extra_headers.begin();
it != request.extra_headers.end(); ++it) {
http_header = curl_slist_append(http_header, it->c_str());
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
if (!g_settings->getBool("curl_verify_cert")) {
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
}
}
CURLcode HTTPFetchOngoing::start(CURLM *multi_)
{
if (!curl)
return CURLE_FAILED_INIT;
if (!multi_) {
// Easy interface (sync)
return curl_easy_perform(curl);
}
// Multi interface (async)
CURLMcode mres = curl_multi_add_handle(multi_, curl);
if (mres != CURLM_OK) {
errorstream << "curl_multi_add_handle"
<< " returned error code " << mres
<< std::endl;
return CURLE_FAILED_INIT;
}
multi = multi_; // store for curl_multi_remove_handle
return CURLE_OK;
}
const HTTPFetchResult * HTTPFetchOngoing::complete(CURLcode res)
{
result.succeeded = (res == CURLE_OK);
result.timeout = (res == CURLE_OPERATION_TIMEDOUT);
result.data = oss.str();
// Get HTTP/FTP response code
result.response_code = 0;
if (curl && (curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE,
&result.response_code) != CURLE_OK)) {
// We failed to get a return code, make sure it is still 0
result.response_code = 0;
}
if (res != CURLE_OK) {
errorstream << request.url << " not found ("
<< curl_easy_strerror(res) << ")"
<< " (response code " << result.response_code << ")"
<< std::endl;
}
return &result;
}
HTTPFetchOngoing::~HTTPFetchOngoing()
{
if (multi) {
CURLMcode mres = curl_multi_remove_handle(multi, curl);
if (mres != CURLM_OK) {
errorstream << "curl_multi_remove_handle"
<< " returned error code " << mres
<< std::endl;
}
}
// Set safe options for the reusable cURL handle
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
httpfetch_discardfunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, NULL);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, NULL);
if (http_header) {
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, NULL);
curl_slist_free_all(http_header);
}
if (post) {
curl_easy_setopt(curl, CURLOPT_HTTPPOST, NULL);
curl_formfree(post);
}
// Store the cURL handle for reuse
pool->free(curl);
}
class CurlFetchThread : public JThread
{
@ -391,7 +401,7 @@ protected:
struct Request {
RequestType type;
HTTPFetchRequest fetchrequest;
HTTPFetchRequest fetch_request;
Event *event;
};
@ -412,11 +422,11 @@ public:
m_parallel_limit = 1;
}
void requestFetch(const HTTPFetchRequest &fetchrequest)
void requestFetch(const HTTPFetchRequest &fetch_request)
{
Request req;
req.type = RT_FETCH;
req.fetchrequest = fetchrequest;
req.fetch_request = fetch_request;
req.event = NULL;
m_requests.push_back(req);
}
@ -425,7 +435,7 @@ public:
{
Request req;
req.type = RT_CLEAR;
req.fetchrequest.caller = caller;
req.fetch_request.caller = caller;
req.event = event;
m_requests.push_back(req);
}
@ -446,24 +456,24 @@ protected:
if (req.type == RT_FETCH) {
// New fetch, queue until there are less
// than m_parallel_limit ongoing fetches
m_queued_fetches.push_back(req.fetchrequest);
m_queued_fetches.push_back(req.fetch_request);
// see processQueued() for what happens next
}
else if (req.type == RT_CLEAR) {
unsigned long caller = req.fetchrequest.caller;
unsigned long caller = req.fetch_request.caller;
// Abort all ongoing fetches for the caller
for (std::vector<HTTPFetchOngoing*>::iterator
it = m_all_ongoing.begin();
it != m_all_ongoing.end();) {
if ((*it)->request.caller == caller) {
if ((*it)->getRequest().caller == caller) {
delete (*it);
it = m_all_ongoing.erase(it);
}
else
} else {
++it;
}
}
// Also abort all queued fetches for the caller
@ -503,8 +513,7 @@ protected:
m_all_ongoing.push_back(ongoing);
}
else {
ongoing->complete(res);
httpfetch_deliver_result(ongoing->result);
httpfetch_deliver_result(*ongoing->complete(res));
delete ongoing;
}
}
@ -517,7 +526,7 @@ protected:
size_t i = 0;
bool found = false;
for (i = 0; i < m_all_ongoing.size(); ++i) {
if (m_all_ongoing[i]->curl == msg->easy_handle) {
if (m_all_ongoing[i]->getEasyHandle() == msg->easy_handle) {
found = true;
break;
}
@ -525,8 +534,7 @@ protected:
if (msg->msg == CURLMSG_DONE && found) {
// m_all_ongoing[i] succeeded or failed.
HTTPFetchOngoing *ongoing = m_all_ongoing[i];
ongoing->complete(msg->data.result);
httpfetch_deliver_result(ongoing->result);
httpfetch_deliver_result(*ongoing->complete(msg->data.result));
delete ongoing;
m_all_ongoing.erase(m_all_ongoing.begin() + i);
}
@ -719,9 +727,9 @@ void httpfetch_cleanup()
curl_global_cleanup();
}
void httpfetch_async(const HTTPFetchRequest &fetchrequest)
void httpfetch_async(const HTTPFetchRequest &fetch_request)
{
g_httpfetch_thread->requestFetch(fetchrequest);
g_httpfetch_thread->requestFetch(fetch_request);
if (!g_httpfetch_thread->IsRunning())
g_httpfetch_thread->Start();
}
@ -738,18 +746,17 @@ static void httpfetch_request_clear(unsigned long caller)
}
}
void httpfetch_sync(const HTTPFetchRequest &fetchrequest,
HTTPFetchResult &fetchresult)
void httpfetch_sync(const HTTPFetchRequest &fetch_request,
HTTPFetchResult &fetch_result)
{
// Create ongoing fetch data and make a cURL handle
// Set cURL options based on HTTPFetchRequest
CurlHandlePool pool;
HTTPFetchOngoing ongoing(fetchrequest, &pool);
HTTPFetchOngoing ongoing(fetch_request, &pool);
// Do the fetch (curl_easy_perform)
CURLcode res = ongoing.start(NULL);
// Update fetchresult
ongoing.complete(res);
fetchresult = ongoing.result;
// Update fetch result
fetch_result = *ongoing.complete(res);
}
#else // USE_CURL
@ -768,26 +775,26 @@ void httpfetch_cleanup()
{
}
void httpfetch_async(const HTTPFetchRequest &fetchrequest)
void httpfetch_async(const HTTPFetchRequest &fetch_request)
{
errorstream<<"httpfetch_async: unable to fetch "<<fetchrequest.url
<<" because USE_CURL=0"<<std::endl;
errorstream << "httpfetch_async: unable to fetch " << fetch_request.url
<< " because USE_CURL=0" << std::endl;
HTTPFetchResult fetchresult(fetchrequest); // sets succeeded = false etc.
httpfetch_deliver_result(fetchresult);
HTTPFetchResult fetch_result(fetch_request); // sets succeeded = false etc.
httpfetch_deliver_result(fetch_result);
}
static void httpfetch_request_clear(unsigned long caller)
{
}
void httpfetch_sync(const HTTPFetchRequest &fetchrequest,
HTTPFetchResult &fetchresult)
void httpfetch_sync(const HTTPFetchRequest &fetch_request,
HTTPFetchResult &fetch_result)
{
errorstream<<"httpfetch_sync: unable to fetch "<<fetchrequest.url
<<" because USE_CURL=0"<<std::endl;
errorstream << "httpfetch_sync: unable to fetch " << fetch_request.url
<< " because USE_CURL=0" << std::endl;
fetchresult = HTTPFetchResult(fetchrequest); // sets succeeded = false etc.
fetch_result = HTTPFetchResult(fetch_request); // sets succeeded = false etc.
}
#endif // USE_CURL

16
src/httpfetch.h
View File

@ -88,14 +88,14 @@ struct HTTPFetchResult
request_id = 0;
}
HTTPFetchResult(const HTTPFetchRequest &fetchrequest)
HTTPFetchResult(const HTTPFetchRequest &fetch_request)
{
succeeded = false;
timeout = false;
response_code = 0;
data = "";
caller = fetchrequest.caller;
request_id = fetchrequest.request_id;
caller = fetch_request.caller;
request_id = fetch_request.request_id;
}
};
@ -107,11 +107,11 @@ void httpfetch_init(int parallel_limit);
void httpfetch_cleanup();
// Starts an asynchronous HTTP fetch request
void httpfetch_async(const HTTPFetchRequest &fetchrequest);
void httpfetch_async(const HTTPFetchRequest &fetch_request);
// If any fetch for the given caller ID is complete, removes it from the
// result queue, sets fetchresult and returns true. Otherwise returns false.
bool httpfetch_async_get(unsigned long caller, HTTPFetchResult &fetchresult);
// result queue, sets the fetch result and returns true. Otherwise returns false.
bool httpfetch_async_get(unsigned long caller, HTTPFetchResult &fetch_result);
// Allocates a caller ID for httpfetch_async
// Not required if you want to set caller = HTTPFETCH_DISCARD
@ -124,8 +124,8 @@ void httpfetch_caller_free(unsigned long caller);
// Performs a synchronous HTTP request. This blocks and therefore should
// only be used from background threads.
void httpfetch_sync(const HTTPFetchRequest &fetchrequest,
HTTPFetchResult &fetchresult);
void httpfetch_sync(const HTTPFetchRequest &fetch_request,
HTTPFetchResult &fetch_result);
#endif // !HTTPFETCH_HEADER

11
src/mods.cpp
View File

@ -339,19 +339,14 @@ Json::Value getModstoreUrl(std::string url)
bool special_http_header = true;
try{
try {
special_http_header = g_settings->getBool("modstore_disable_special_http_header");
}
catch(SettingNotFoundException &e) {
}
} catch (SettingNotFoundException) {}
if (special_http_header) {
extra_headers.push_back("Accept: application/vnd.minetest.mmdb-v1+json");
return fetchJsonValue(url, &extra_headers);
}
else {
return fetchJsonValue(url, NULL);
}
return fetchJsonValue(url, special_http_header ? &extra_headers : NULL);
}
#endif

31
src/serverlist.cpp
View File

@ -70,17 +70,24 @@ std::vector<ServerListSpec> getOnline()
Json::Value root = fetchJsonValue(
(g_settings->get("serverlist_url") + "/list").c_str(), NULL);
std::vector<ServerListSpec> serverlist;
std::vector<ServerListSpec> server_list;
if (root.isArray()) {
for (unsigned int i = 0; i < root.size(); i++) {
if (root[i].isObject()) {
serverlist.push_back(root[i]);
}
if (!root.isObject()) {
return server_list;
}
root = root["list"];
if (!root.isArray()) {
return server_list;
}
for (unsigned int i = 0; i < root.size(); i++) {
if (root[i].isObject()) {
server_list.push_back(root[i]);
}
}
return serverlist;
return server_list;
}
@ -236,11 +243,11 @@ void sendAnnounce(const std::string &action,
}
Json::FastWriter writer;
HTTPFetchRequest fetchrequest;
fetchrequest.url = g_settings->get("serverlist_url") + std::string("/announce");
fetchrequest.post_fields["json"] = writer.write(server);
fetchrequest.multipart = true;
httpfetch_async(fetchrequest);
HTTPFetchRequest fetch_request;
fetch_request.url = g_settings->get("serverlist_url") + std::string("/announce");
fetch_request.post_fields["json"] = writer.write(server);
fetch_request.multipart = true;
httpfetch_async(fetch_request);
}
#endif