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- Added libcurl to mega-glest for mu;ti-purpose / multi-platform http and ftp requests

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(for linux requires the following new dependency: sudo apt-get install libcurl4-dev)
This commit is contained in:
Mark Vejvoda
2010-05-11 05:39:00 +00:00
parent f7b6ef8450
commit 25b63b10e1
6 changed files with 130 additions and 10 deletions
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70
source/shared_lib/sources/util/util.cpp
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@@ -37,7 +37,63 @@ using namespace Shared::PlatformCommon;
namespace Shared{ namespace Util{
// Init statics
std::map<SystemFlags::DebugType,SystemFlags::SystemFlagsType> SystemFlags::debugLogFileList;
int SystemFlags::lockFile = -1;
string SystemFlags::lockfilename = "";
CURL *SystemFlags::curl_handle = NULL;
//
static void *myrealloc(void *ptr, size_t size)
{
/* There might be a realloc() out there that doesn't like reallocing
NULL pointers, so we take care of it here */
if(ptr)
return realloc(ptr, size);
else
return malloc(size);
}
size_t SystemFlags::httpWriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data)
{
size_t realsize = size * nmemb;
struct httpMemoryStruct *mem = (struct httpMemoryStruct *)data;
mem->memory = (char *)myrealloc(mem->memory, mem->size + realsize + 1);
if (mem->memory) {
memcpy(&(mem->memory[mem->size]), ptr, realsize);
mem->size += realsize;
mem->memory[mem->size] = 0;
}
return realsize;
}
std::string SystemFlags::getHTTP(std::string URL) {
curl_easy_setopt(SystemFlags::curl_handle, CURLOPT_URL, URL.c_str());
/* send all data to this function */
curl_easy_setopt(SystemFlags::curl_handle, CURLOPT_WRITEFUNCTION, SystemFlags::httpWriteMemoryCallback);
struct SystemFlags::httpMemoryStruct chunk;
chunk.memory=NULL; /* we expect realloc(NULL, size) to work */
chunk.size = 0; /* no data at this point */
/* we pass our 'chunk' struct to the callback function */
curl_easy_setopt(SystemFlags::curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
/* some servers don't like requests that are made without a user-agent
field, so we provide one */
curl_easy_setopt(SystemFlags::curl_handle, CURLOPT_USERAGENT, "mega-glest-agent/1.0");
/* get contents from the URL */
curl_easy_perform(SystemFlags::curl_handle);
std::string serverResponse = chunk.memory;
if(chunk.memory) {
free(chunk.memory);
}
return serverResponse;
}
void SystemFlags::init() {
if(SystemFlags::debugLogFileList.size() == 0) {
@@ -46,10 +102,12 @@ void SystemFlags::init() {
SystemFlags::debugLogFileList[SystemFlags::debugPerformance] = SystemFlags::SystemFlagsType(SystemFlags::debugPerformance);
SystemFlags::debugLogFileList[SystemFlags::debugWorldSynch] = SystemFlags::SystemFlagsType(SystemFlags::debugWorldSynch);
}
}
int SystemFlags::lockFile = -1;
string SystemFlags::lockfilename = "";
if(curl_handle == NULL) {
curl_global_init(CURL_GLOBAL_ALL);
curl_handle = curl_easy_init();
}
}
inline bool acquire_file_lock(int hnd)
{
@@ -71,6 +129,12 @@ SystemFlags::SystemFlags() {
}
SystemFlags::~SystemFlags() {
SystemFlags::Close();
if(curl_handle != NULL) {
curl_easy_cleanup(curl_handle);
curl_handle = NULL;
curl_global_cleanup();
}
}
void SystemFlags::Close() {