mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2025-02-01 19:57:11 +01:00
implement sendViaWeb for linux
Fixed the crash that was forcing synchronous sends (and so seriously slowing down my test script) by using http instead of https. That's due to limitations in ssl/curl interaction I can look at if necessary.
This commit is contained in:
Eric House
parent
ee26816420
commit
2997f32ad0
2 changed files with 83 additions and 117 deletions
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@ -37,20 +37,9 @@
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#include "mqttcon.h"
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/* Define ACK_IN_BACKGROUND and you'll crash inside curl_easy_perform(). No
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idea why, and no time to debug it now.
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*/
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// #define ACK_IN_BACKGROUND
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typedef struct _LinDUtilCtxt {
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XW_DUtilCtxt super;
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#ifdef ACK_IN_BACKGROUND
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pthread_t ackThread;
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pthread_mutex_t ackMutex;
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pthread_cond_t ackCondVar;
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GList* ackList;
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#endif
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} LinDUtilCtxt;
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static XP_U32 linux_dutil_getCurSeconds( XW_DUtilCtxt* duc, XWEnv xwe );
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@ -202,124 +191,100 @@ linux_dutil_onGameGoneReceived( XW_DUtilCtxt* duc, XWEnv XP_UNUSED(xwe),
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}
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}
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/* typedef struct _AckData { */
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/* XW_DUtilCtxt* duc; */
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/* XP_U8* msg; */
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/* XP_U16 len; */
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/* gchar* topic; */
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/* XP_U32 gameID; */
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/* } AckData; */
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typedef struct _SendViaData {
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LinDUtilCtxt* lduc;
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char* pstr;
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char* api;
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} SendViaData;
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/* static void */
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/* sendViaCurl( LinDUtilCtxt* lduc, AckData* adp ) */
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/* { */
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/* LaunchParams* params = (LaunchParams*)lduc->super.closure; */
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typedef struct _FetchData {
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char* payload;
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size_t size;
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} FetchData;
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/* CURLcode res = curl_global_init(CURL_GLOBAL_DEFAULT); */
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/* XP_ASSERT(res == CURLE_OK); */
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/* CURL* curl = curl_easy_init(); */
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/* char url[128]; */
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/* snprintf( url, sizeof(url), "https://%s/xw4/api/v1/ack", */
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/* params->connInfo.mqtt.hostName ); */
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/* curl_easy_setopt( curl, CURLOPT_URL, url ); */
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/* gchar* sum = g_compute_checksum_for_data( G_CHECKSUM_MD5, adp->msg, adp->len ); */
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/* gchar* json */
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/* = g_strdup_printf("{\"topic\": \"%s\", \"gid\": %u, \"sum\": \"%s\"}", */
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/* adp->topic, adp->gameID, sum ); */
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/* // XP_LOGFF( "json: %s", json ); */
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/* g_free( sum ); */
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/* curl_easy_setopt( curl, CURLOPT_POSTFIELDS, json ); */
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/* curl_easy_setopt( curl, CURLOPT_POSTFIELDSIZE, -1L ); */
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/* struct curl_slist *headers = NULL; */
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/* headers = curl_slist_append(headers, "Expect:"); */
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/* headers = curl_slist_append(headers, "Content-Type: application/json"); */
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/* curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); */
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/* res = curl_easy_perform(curl); */
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/* XP_Bool success = res == CURLE_OK; */
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/* /\* XP_LOGFF( "curl_easy_perform() => %d", res ); *\/ */
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/* if ( ! success ) { */
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/* XP_LOGFF( "curl_easy_perform() failed: %s", curl_easy_strerror(res)); */
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/* } */
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/* curl_slist_free_all( headers ); */
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/* curl_easy_cleanup( curl ); */
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/* curl_global_cleanup(); */
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/* g_free( json ); */
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/* /\* g_idle_add( nuke_ack_data, ad ); *\/ */
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/* g_free( adp->topic ); */
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/* g_free( adp->msg ); */
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/* g_free( adp ); */
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/* } */
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#ifdef ACK_IN_BACKGROUND
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static void*
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sendAckThreadProc( void* arg )
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static size_t
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curl_callback( void *contents, size_t size, size_t nmemb, void *userp )
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{
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LOG_FUNC();
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LinDUtilCtxt* lduc = (LinDUtilCtxt*)arg;
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size_t realsize = size * nmemb;
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FetchData* fdp = (FetchData*)userp;
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XP_LOGFF( "(realsize: %zu)", realsize );
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for ( ; ; ) {
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XP_LOGFF( "top of loop" );
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pthread_mutex_lock( &lduc->ackMutex );
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while ( 0 == g_list_length(lduc->ackList) ) {
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pthread_cond_wait( &lduc->ackCondVar, &lduc->ackMutex );
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}
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GList* head = lduc->ackList;
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lduc->ackList = g_list_remove_link( lduc->ackList, lduc->ackList );
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AckData* adp = (AckData*)head->data;
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g_list_free( head );
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pthread_mutex_unlock( &lduc->ackMutex );
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fdp->payload = (char *) realloc(fdp->payload, fdp->size + realsize + 1);
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memcpy(&(fdp->payload[fdp->size]), contents, realsize);
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fdp->size += realsize;
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fdp->payload[fdp->size] = 0;
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return realsize;
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}
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sendViaCurl( lduc, adp );
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XP_LOGFF( "bottom of loop" );
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static void*
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sendViaThreadProc( void* arg )
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{
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SendViaData* svdp = (SendViaData*)arg;
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const LaunchParams* params = (LaunchParams*)svdp->lduc->super.closure;
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XP_LOGFF( "(api: %s, json: %s)", svdp->api, svdp->pstr );
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CURLcode res = curl_global_init(CURL_GLOBAL_DEFAULT); /* ok to call multiple times */
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XP_ASSERT(res == CURLE_OK);
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CURL* curl = curl_easy_init();
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char url[128];
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/* Don't use https. Doing so triggers a race condition/crash in openssl as
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called by curl. See https://curl.se/libcurl/c/threaded-ssl.html (which
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has a fix to allow using https, but I'm to lazy to work it out now.) */
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const char* proto = "http";
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snprintf( url, sizeof(url), "%s://%s/xw4/api/v1/%s", proto,
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params->connInfo.mqtt.hostName, svdp->api );
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curl_easy_setopt( curl, CURLOPT_URL, url );
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curl_easy_setopt( curl, CURLOPT_POSTFIELDS, svdp->pstr );
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curl_easy_setopt( curl, CURLOPT_POSTFIELDSIZE, -1L );
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struct curl_slist *headers = NULL;
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headers = curl_slist_append(headers, "Expect:");
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headers = curl_slist_append(headers, "Content-Type: application/json");
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
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FetchData fd = {0};
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curl_easy_setopt( curl, CURLOPT_WRITEFUNCTION, curl_callback );
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curl_easy_setopt( curl, CURLOPT_WRITEDATA, (void *) &fd );
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res = curl_easy_perform( curl );
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if ( res != CURLE_OK ) {
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XP_LOGFF( "curl_easy_perform() failed: %s", curl_easy_strerror(res));
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} else {
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XP_LOGFF( "got buffer: %s", fd.payload );
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}
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LOG_RETURN_VOID();
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curl_slist_free_all( headers );
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curl_easy_cleanup( curl );
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free( svdp->pstr );
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free( svdp->api );
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free( svdp );
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return NULL;
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}
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#endif
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/* static void */
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/* linux_dutil_ackMQTTMsg( XW_DUtilCtxt* duc, XWEnv XP_UNUSED(xwe), */
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/* const XP_UCHAR* topic, XP_U32 gameID, */
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/* const MQTTDevID* XP_UNUSED(senderID), */
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/* const XP_U8* msg, XP_U16 len ) */
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/* { */
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/* AckData ad = { */
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/* .duc = duc, */
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/* .topic = g_strdup( topic ), */
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/* .gameID = gameID, */
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/* .len = len, */
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/* .msg = g_memdup2( msg, len ), */
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/* }; */
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/* AckData* adp = g_memdup2( &ad, sizeof(ad) ); */
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/* LinDUtilCtxt* lduc = (LinDUtilCtxt*)duc; */
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/* #ifdef ACK_IN_BACKGROUND */
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/* pthread_mutex_lock( &lduc->ackMutex ); */
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/* lduc->ackList = g_list_append( lduc->ackList, adp ); */
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/* pthread_cond_signal( &lduc->ackCondVar ); */
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/* pthread_mutex_unlock( &lduc->ackMutex ); */
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/* #else */
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/* sendViaCurl( lduc, adp ); */
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/* #endif */
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/* /\* LOG_RETURN_VOID(); *\/ */
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/* } */
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static void
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linux_dutil_sendViaWeb( XW_DUtilCtxt* duc, XWEnv xwe, const XP_UCHAR* api,
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const cJSON* params )
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linux_dutil_sendViaWeb( XW_DUtilCtxt* duc, XWEnv XP_UNUSED(xwe),
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const XP_UCHAR* api, const cJSON* json )
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{
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XP_USE(duc);
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XP_USE(xwe);
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char* pstr = cJSON_PrintUnformatted( params );
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XP_LOGFF( "(api: %s, params: %s)", api, pstr );
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free( pstr );
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LinDUtilCtxt* lduc = (LinDUtilCtxt*)duc;
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SendViaData svd = {
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.lduc = lduc,
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.pstr = cJSON_PrintUnformatted( json ),
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.api = g_strdup(api),
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};
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SendViaData* svdp = malloc( sizeof(*svdp) );
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*svdp = svd;
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pthread_t thrd;
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(void)pthread_create( &thrd, NULL, sendViaThreadProc, svdp );
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pthread_detach( thrd );
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}
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XW_DUtilCtxt*
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@ -199,6 +199,7 @@ mkJsonParams( CURL* curl, va_list ap )
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static XP_Bool
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runWitCurl( RelayTask* task, const gchar* proc, ...)
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{
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XP_ASSERT(0); /* should no longer be getting called */
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CURLcode res = curl_global_init(CURL_GLOBAL_DEFAULT);
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XP_ASSERT(res == CURLE_OK);
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CURL* curl = curl_easy_init();
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