simple http request (temperature data) from mbed lpc1768 with application board to thingsboard device/dashboard
Fork of http-example by
source/main-http-ipv6.cpp@31:cba9d9dea21a, 2018-06-29 (annotated)
- Committer:
- daklowprofile
- Date:
- Fri Jun 29 03:19:58 2018 +0000
- Revision:
- 31:cba9d9dea21a
don't change anything
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
daklowprofile | 31:cba9d9dea21a | 1 | #include "select-demo.h" |
daklowprofile | 31:cba9d9dea21a | 2 | |
daklowprofile | 31:cba9d9dea21a | 3 | #if DEMO == DEMO_HTTP_IPV6 |
daklowprofile | 31:cba9d9dea21a | 4 | |
daklowprofile | 31:cba9d9dea21a | 5 | #include "mbed.h" |
daklowprofile | 31:cba9d9dea21a | 6 | #include "easy-connect.h" |
daklowprofile | 31:cba9d9dea21a | 7 | #include "http_request.h" |
daklowprofile | 31:cba9d9dea21a | 8 | |
daklowprofile | 31:cba9d9dea21a | 9 | void dump_response(HttpResponse* res) { |
daklowprofile | 31:cba9d9dea21a | 10 | printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str()); |
daklowprofile | 31:cba9d9dea21a | 11 | |
daklowprofile | 31:cba9d9dea21a | 12 | printf("Headers:\n"); |
daklowprofile | 31:cba9d9dea21a | 13 | for (size_t ix = 0; ix < res->get_headers_length(); ix++) { |
daklowprofile | 31:cba9d9dea21a | 14 | printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str()); |
daklowprofile | 31:cba9d9dea21a | 15 | } |
daklowprofile | 31:cba9d9dea21a | 16 | printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str()); |
daklowprofile | 31:cba9d9dea21a | 17 | } |
daklowprofile | 31:cba9d9dea21a | 18 | |
daklowprofile | 31:cba9d9dea21a | 19 | int main() { |
daklowprofile | 31:cba9d9dea21a | 20 | // Connect to the network (see mbed_app.json for the connectivity method used) |
daklowprofile | 31:cba9d9dea21a | 21 | NetworkInterface* network = easy_connect(true); |
daklowprofile | 31:cba9d9dea21a | 22 | if (!network) { |
daklowprofile | 31:cba9d9dea21a | 23 | printf("Cannot connect to the network, see serial output"); |
daklowprofile | 31:cba9d9dea21a | 24 | return 1; |
daklowprofile | 31:cba9d9dea21a | 25 | } |
daklowprofile | 31:cba9d9dea21a | 26 | |
daklowprofile | 31:cba9d9dea21a | 27 | // Do a GET request to icanhazip.com which returns the public IPv6 address for the device |
daklowprofile | 31:cba9d9dea21a | 28 | // This page is only accessible over IPv6 |
daklowprofile | 31:cba9d9dea21a | 29 | { |
daklowprofile | 31:cba9d9dea21a | 30 | // By default the body is automatically parsed and stored in a buffer, this is memory heavy. |
daklowprofile | 31:cba9d9dea21a | 31 | // To receive chunked response, pass in a callback as last parameter to the constructor. |
daklowprofile | 31:cba9d9dea21a | 32 | HttpRequest* get_req = new HttpRequest(network, HTTP_GET, "http://ipv6.icanhazip.com"); |
daklowprofile | 31:cba9d9dea21a | 33 | |
daklowprofile | 31:cba9d9dea21a | 34 | HttpResponse* get_res = get_req->send(); |
daklowprofile | 31:cba9d9dea21a | 35 | if (!get_res) { |
daklowprofile | 31:cba9d9dea21a | 36 | printf("HttpRequest failed (error code %d)\n", get_req->get_error()); |
daklowprofile | 31:cba9d9dea21a | 37 | return 1; |
daklowprofile | 31:cba9d9dea21a | 38 | } |
daklowprofile | 31:cba9d9dea21a | 39 | |
daklowprofile | 31:cba9d9dea21a | 40 | printf("\n----- HTTP GET response -----\n"); |
daklowprofile | 31:cba9d9dea21a | 41 | dump_response(get_res); |
daklowprofile | 31:cba9d9dea21a | 42 | |
daklowprofile | 31:cba9d9dea21a | 43 | delete get_req; |
daklowprofile | 31:cba9d9dea21a | 44 | } |
daklowprofile | 31:cba9d9dea21a | 45 | |
daklowprofile | 31:cba9d9dea21a | 46 | wait(osWaitForever); |
daklowprofile | 31:cba9d9dea21a | 47 | } |
daklowprofile | 31:cba9d9dea21a | 48 | |
daklowprofile | 31:cba9d9dea21a | 49 | #endif |