int
ocfetchurl(CURL* curl, char* url, OCbytes* buf, long* filetime)
{
int stat = OC_NOERR;
CURLcode cstat = CURLE_OK;
size_t len;
if((stat = ocsetcurlproperties(curl,url)) != OC_NOERR) goto fail;
/* Set the URL */
cstat = curl_easy_setopt(curl, CURLOPT_URL, (void*)url);
if (cstat != CURLE_OK)
goto fail;
/* send all data to this function */
cstat = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
if (cstat != CURLE_OK)
goto fail;
/* we pass our file to the callback function */
cstat = curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void*)buf);
if (cstat != CURLE_OK)
goto fail;
/* One last thing; always try to get the last modified time */
cstat = curl_easy_setopt(curl, CURLOPT_FILETIME, (long)1);
cstat = curl_easy_perform(curl);
if(cstat == CURLE_PARTIAL_FILE) {
/* Log it but otherwise ignore */
oc_log(LOGWARN, "curl error: %s; ignored",
curl_easy_strerror(cstat));
cstat = CURLE_OK;
}
if(cstat != CURLE_OK) goto fail;
/* Get the last modified time */
if(filetime != NULL)
cstat = curl_easy_getinfo(curl,CURLINFO_FILETIME,filetime);
if(cstat != CURLE_OK) goto fail;
/* Null terminate the buffer*/
len = ocbyteslength(buf);
ocbytesappend(buf, '\0');
ocbytessetlength(buf, len); /* dont count null in buffer size*/
return THROW(stat);
fail:
oc_log(LOGERR, "curl error: %s", curl_easy_strerror(cstat));
return THROW(OC_ECURL);
}
int
ocfetchurl_file(CURL* curl, char* url, FILE* stream,
unsigned long* sizep, long* filetime)
{
int stat = OC_NOERR;
CURLcode cstat = CURLE_OK;
struct Fetchdata fetchdata;
if((stat = ocsetcurlproperties(curl,url)) != OC_NOERR) goto fail;
/* Set the URL */
cstat = curl_easy_setopt(curl, CURLOPT_URL, (void*)url);
if (cstat != CURLE_OK)
goto fail;
/* send all data to this function */
cstat = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteFileCallback);
if (cstat != CURLE_OK)
goto fail;
/* we pass our file to the callback function */
cstat = curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&fetchdata);
if (cstat != CURLE_OK)
goto fail;
/* One last thing; always try to get the last modified time */
cstat = curl_easy_setopt(curl, CURLOPT_FILETIME, (long)1);
fetchdata.stream = stream;
fetchdata.size = 0;
cstat = curl_easy_perform(curl);
if (cstat != CURLE_OK) {
goto fail;
}
if (stat == OC_NOERR) {
/* return the file size*/
if (sizep != NULL)
*sizep = fetchdata.size;
/* Get the last modified time */
if(filetime != NULL)
cstat = curl_easy_getinfo(curl,CURLINFO_FILETIME,filetime);
if(cstat != CURLE_OK) goto fail;
}
return THROW(stat);
fail: oc_log(LOGERR, "curl error: %s", curl_easy_strerror(cstat));
return THROW(OC_ECURL);
}
OCerror
ocopen(OCstate** statep, const char* url)
{
int stat = OC_NOERR;
OCstate * state = NULL;
DAPURL tmpurl;
CURL* curl = NULL; /* curl handle*/
memset((void*)&tmpurl,0,sizeof(tmpurl));
if(!dapurlparse(url,&tmpurl)) {THROWCHK(stat=OC_EBADURL); goto fail;}
stat = occurlopen(&curl);
if(stat != OC_NOERR) {THROWCHK(stat); goto fail;}
state = (OCstate*)ocmalloc(sizeof(OCstate)); /* ocmalloc zeros memory*/
if(state == NULL) {THROWCHK(stat=OC_ENOMEM); goto fail;}
/* Setup DAP state*/
state->magic = OCMAGIC;
state->curl = curl;
state->trees = oclistnew();
state->contentlist = NULL;
state->url = tmpurl;
state->clientparams = ocparamdecode(state->url.params);
if(state->clientparams == NULL) {
oc_log(LOGWARN,"Could not parse client parameters");
}
state->packet = ocbytesnew();
ocbytessetalloc(state->packet,DFALTPACKETSIZE); /*initial reasonable size*/
/* set curl properties for this link */
ocsetcurlproperties(state);
if(statep) *statep = state;
return THROW(stat);
fail:
dapurlclear(&tmpurl);
if(state != NULL) ocfree(state);
if(curl != NULL) occurlclose(curl);
return THROW(stat);
}
OCerror
ocopen(OCstate** statep, const char* url)
{
int stat = OC_NOERR;
OCstate * state = NULL;
OCURI* tmpurl = NULL;
CURL* curl = NULL; /* curl handle*/
if(!ocuriparse(url,&tmpurl)) {OCTHROWCHK(stat=OC_EBADURL); goto fail;}
stat = occurlopen(&curl);
if(stat != OC_NOERR) {OCTHROWCHK(stat); goto fail;}
state = (OCstate*)ocmalloc(sizeof(OCstate)); /* ocmalloc zeros memory*/
if(state == NULL) {OCTHROWCHK(stat=OC_ENOMEM); goto fail;}
/* Setup DAP state*/
state->magic = OCMAGIC;
state->curl = curl;
state->trees = oclistnew();
state->uri = tmpurl;
if(!ocuridecodeparams(state->uri)) {
oc_log(LOGWARN,"Could not parse client parameters");
}
state->packet = ocbytesnew();
ocbytessetalloc(state->packet,DFALTPACKETSIZE); /*initial reasonable size*/
/* set curl properties for this link */
ocsetcurlproperties(state);
/* Set up list to support reuse/reclamation of OCcontent objects. */
state->contentlist = NULL;
if(statep) *statep = state;
return OCTHROW(stat);
fail:
ocurifree(tmpurl);
if(state != NULL) ocfree(state);
if(curl != NULL) occurlclose(curl);
return OCTHROW(stat);
}
