fixed receiving data!

src/http_client.cpp

@@ -2,40 +2,35 @@
 
 #include <iostream>
 
-
 void result_callback(void *arg, httpc_result_t httpc_result, u32_t rx_content_len, u32_t srv_res,
                      err_t err) {
+#ifdef DEBUG
     printf("Transfer complete\n");
-    printf("Local result=%d\n", httpc_result);
+    // printf("Local result=%d\n", httpc_result);
-    printf("Http result=%d\n", srv_res);
+    // printf("Http result=%d\n", srv_res);
+#endif
+    received = true;
+    offset = 0;
 }
 
 err_t headers_callback(httpc_state_t *connection, void *arg, struct pbuf *hdr, u16_t hdr_len,
                        u32_t content_len) {
+#ifdef DEBUG
     printf("Headers received\n");
     printf("Content length=%d\n", content_len);
     printf("Header length=%d\n", hdr_len);
-
+#endif
-    pbuf_copy_partial(hdr, myHeaderBuffer, hdr->tot_len, 0);
-    printf("Headers \n");
-    printf("%s", myHeaderBuffer);
 
     return ERR_OK;
 }
 
-
 err_t body_callback(void *arg, struct altcp_pcb *conn, struct pbuf *p, err_t err) {
-    bool *received = (bool *)arg;
-
     if (err != ERR_OK) {
-        printf("PROBLEM!!\n");
         return err;
     }
 
-    pbuf_copy_partial(p, myBodyBuffer, p->tot_len, 0);
+    pbuf_copy_partial(p, &myBodyBuffer[offset], p->tot_len, 0);
-    printf("HUHU:\n%s", myBodyBuffer);
+    offset += p->len;
-
-    *received = true;
 
     return ERR_OK;
 }
@@ -52,7 +47,7 @@ std::string HttpClient::retrieveWasteDatesAsCsv() {
     std::string result("");
 
     err_t err = httpc_get_file_dns("beenas.brodbeck-online.de", port, "/abfall/abfall.csv",
-                                   &m_settings, body_callback, &m_received, nullptr);
+                                   &m_settings, body_callback, nullptr, nullptr);
 
     // If there was an error, return empty result.
     if (err != ERR_OK) {
@@ -60,7 +55,7 @@ std::string HttpClient::retrieveWasteDatesAsCsv() {
     }
 
     uint wait_count = 0;
-    while (m_received == false) {
+    while (received == false) {
         ++wait_count;
 
         if (wait_count >= 10) {
@@ -70,6 +65,11 @@ std::string HttpClient::retrieveWasteDatesAsCsv() {
     }
 
     result.append(myBodyBuffer);
+    received = false;
+
+#ifdef DEBUG
+    std::cout << result << std::endl;
+#endif
 
     return result;
 }

src/http_client.h

@@ -4,16 +4,17 @@
 
 #include "lwip/apps/http_client.h"
 #include "pico/cyw43_arch.h"
-//#include "pico/stdlib.h"
+#include "pico/stdlib.h"
 
-static char myHeaderBuffer[2048];
 static char myBodyBuffer[2048];
+static uint16_t offset{0};
+static bool received{false};
 
-void result_callback(void *arg, httpc_result_t httpc_result, u32_t rx_content_len,
+void result_callback(void *arg, httpc_result_t httpc_result, u32_t rx_content_len, u32_t srv_res,
-                                u32_t srv_res, err_t err);
+                     err_t err);
 
-err_t headers_callback(httpc_state_t *connection, void *arg, struct pbuf *hdr,
+err_t headers_callback(httpc_state_t *connection, void *arg, struct pbuf *hdr, u16_t hdr_len,
-                                  u16_t hdr_len, u32_t content_len);
+                       u32_t content_len);
 
 err_t body_callback(void *arg, struct altcp_pcb *conn, struct pbuf *p, err_t err);
 
@@ -21,7 +22,6 @@ class HttpClient {
   public:
     HttpClient();
     std::string retrieveWasteDatesAsCsv();
-    bool m_received{false};
 
   private:
     httpc_connection_t m_settings;