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authorLars-Dominik Braun <PromyLOPh@gmail.com>2008-06-17 12:36:33 +0200
committerLars-Dominik Braun <PromyLOPh@gmail.com>2008-06-17 12:36:33 +0200
commit22f765b7b3abb4b0553b285b42bf81b24fefa224 (patch)
treeb63436b0867ebf5c1c7e885ca0d75f5be6efd1d9 /libpiano/src/http.c
parent1351a0cbebcd01fd5e659d3aa9306c31ddbdc6a3 (diff)
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lib: Move sources to src
Diffstat (limited to 'libpiano/src/http.c')
-rw-r--r--libpiano/src/http.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/libpiano/src/http.c b/libpiano/src/http.c
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+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <curl/curl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "const.h"
+#include "http.h"
+
+
+/* FIXME: curl has a receive limit, use it! */
+/* callback for curl, writes data to buffer
+ * @param received data
+ * @param block size
+ * @param blocks received
+ * @param write data into this buffer
+ * @return written bytes
+ */
+size_t PianoCurlRetToVar (void *ptr, size_t size, size_t nmemb, void *stream) {
+ char *charPtr = ptr;
+ char *streamPtr = stream;
+
+ if (strlen (streamPtr) + nmemb > PIANO_HTTP_BUFFER_SIZE) {
+ printf ("buffer overflow...\n");
+ return 0;
+ } else {
+ memcpy (streamPtr+strlen(streamPtr), charPtr, size*nmemb);
+ return size*nmemb;
+ }
+}
+
+/* FIXME: we may use a callback given by the library client here. would be
+ * more flexible... */
+/* post data to url and receive answer as string
+ * @param initialized curl handle
+ * @param call this url
+ * @param post this data
+ * @param put received data here, memory is allocated by this function
+ * @return nothing yet
+ */
+void PianoHttpPost (CURL *ch, char *url, char *postData, char **retData) {
+ struct curl_slist *headers = NULL;
+ /* Let's hope nothing will be bigger than this... */
+ char curlRet[PIANO_HTTP_BUFFER_SIZE];
+
+ headers = curl_slist_append (headers, "Content-Type: text/xml");
+
+ curl_easy_setopt (ch, CURLOPT_URL, url);
+ curl_easy_setopt (ch, CURLOPT_POSTFIELDS, postData);
+ curl_easy_setopt (ch, CURLOPT_HTTPHEADER, headers);
+ curl_easy_setopt (ch, CURLOPT_WRITEFUNCTION, PianoCurlRetToVar);
+ /* don't verify certificate for now, it's easier ;) */
+ curl_easy_setopt (ch, CURLOPT_SSL_VERIFYPEER, 0);
+ memset (curlRet, 0, sizeof (curlRet));
+ curl_easy_setopt (ch, CURLOPT_WRITEDATA, curlRet);
+
+ curl_easy_perform (ch);
+
+ curl_slist_free_all (headers);
+
+ *retData = calloc (strlen (curlRet) + 1, sizeof (char));
+ strcpy (*retData, curlRet);
+}