thingspark example
Dependencies: MbedJSONValue mbed-http HTS221
source/main-http-socket-reuse.cpp@39:9856f09a1333, 2019-12-29 (annotated)
- Committer:
- master_k1
- Date:
- Sun Dec 29 03:14:52 2019 +0000
- Revision:
- 39:9856f09a1333
- Parent:
- 31:66704f6f17c5
change api key
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Jan Jongboom |
12:4c226ca06191 | 1 | #include "select-demo.h" |
Jan Jongboom |
12:4c226ca06191 | 2 | |
Jan Jongboom |
12:4c226ca06191 | 3 | #if DEMO == DEMO_HTTP_SOCKET_REUSE |
Jan Jongboom |
12:4c226ca06191 | 4 | |
Jan Jongboom |
12:4c226ca06191 | 5 | #include "mbed.h" |
Jan Jongboom |
30:4825e4f38844 | 6 | #include "network-helper.h" |
Jan Jongboom |
12:4c226ca06191 | 7 | #include "http_request.h" |
Jan Jongboom |
12:4c226ca06191 | 8 | |
Jan Jongboom |
12:4c226ca06191 | 9 | void dump_response(HttpResponse* res) { |
Jan Jongboom |
12:4c226ca06191 | 10 | printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str()); |
Jan Jongboom |
12:4c226ca06191 | 11 | |
Jan Jongboom |
12:4c226ca06191 | 12 | printf("Headers:\n"); |
Jan Jongboom |
12:4c226ca06191 | 13 | for (size_t ix = 0; ix < res->get_headers_length(); ix++) { |
Jan Jongboom |
12:4c226ca06191 | 14 | printf("\t%s: %s\n", res->get_headers_fields()[ix]->c_str(), res->get_headers_values()[ix]->c_str()); |
Jan Jongboom |
12:4c226ca06191 | 15 | } |
Jan Jongboom |
12:4c226ca06191 | 16 | printf("\nBody (%d bytes):\n\n%s\n", res->get_body_length(), res->get_body_as_string().c_str()); |
Jan Jongboom |
12:4c226ca06191 | 17 | } |
Jan Jongboom |
12:4c226ca06191 | 18 | |
Jan Jongboom |
12:4c226ca06191 | 19 | int main() { |
Jan Jongboom |
30:4825e4f38844 | 20 | NetworkInterface* network = connect_to_default_network_interface(); |
Jan Jongboom |
12:4c226ca06191 | 21 | if (!network) { |
Jan Jongboom |
30:4825e4f38844 | 22 | printf("Cannot connect to the network, see serial output\n"); |
Jan Jongboom |
12:4c226ca06191 | 23 | return 1; |
Jan Jongboom |
12:4c226ca06191 | 24 | } |
Jan Jongboom |
12:4c226ca06191 | 25 | |
Jan Jongboom |
12:4c226ca06191 | 26 | // Create a TCP socket |
Jan Jongboom |
12:4c226ca06191 | 27 | printf("\n----- Setting up TCP connection -----\n"); |
Jan Jongboom |
12:4c226ca06191 | 28 | |
Jan Jongboom |
12:4c226ca06191 | 29 | TCPSocket* socket = new TCPSocket(); |
Jan Jongboom |
12:4c226ca06191 | 30 | nsapi_error_t open_result = socket->open(network); |
Jan Jongboom |
12:4c226ca06191 | 31 | if (open_result != 0) { |
Jan Jongboom |
12:4c226ca06191 | 32 | printf("Opening TCPSocket failed... %d\n", open_result); |
Jan Jongboom |
12:4c226ca06191 | 33 | return 1; |
Jan Jongboom |
12:4c226ca06191 | 34 | } |
Jan Jongboom |
12:4c226ca06191 | 35 | |
Jan Jongboom |
12:4c226ca06191 | 36 | nsapi_error_t connect_result = socket->connect("httpbin.org", 80); |
Jan Jongboom |
12:4c226ca06191 | 37 | if (connect_result != 0) { |
Jan Jongboom |
12:4c226ca06191 | 38 | printf("Connecting over TCPSocket failed... %d\n", connect_result); |
Jan Jongboom |
12:4c226ca06191 | 39 | return 1; |
Jan Jongboom |
12:4c226ca06191 | 40 | } |
Jan Jongboom |
12:4c226ca06191 | 41 | |
Jan Jongboom |
12:4c226ca06191 | 42 | printf("Connected over TCP to httpbin.org:80\n"); |
Jan Jongboom |
12:4c226ca06191 | 43 | |
Jan Jongboom |
12:4c226ca06191 | 44 | // Do a GET request to httpbin.org |
Jan Jongboom |
12:4c226ca06191 | 45 | { |
Jan Jongboom |
12:4c226ca06191 | 46 | HttpRequest* get_req = new HttpRequest(socket, HTTP_GET, "http://httpbin.org/status/418"); |
Jan Jongboom |
12:4c226ca06191 | 47 | |
Jan Jongboom |
12:4c226ca06191 | 48 | // By default the body is automatically parsed and stored in a string, this is memory heavy. |
Jan Jongboom |
12:4c226ca06191 | 49 | // To receive chunked response, pass in a callback as third parameter to 'send'. |
Jan Jongboom |
12:4c226ca06191 | 50 | HttpResponse* get_res = get_req->send(); |
Jan Jongboom |
12:4c226ca06191 | 51 | if (!get_res) { |
Jan Jongboom |
12:4c226ca06191 | 52 | printf("HttpRequest failed (error code %d)\n", get_req->get_error()); |
Jan Jongboom |
12:4c226ca06191 | 53 | return 1; |
Jan Jongboom |
12:4c226ca06191 | 54 | } |
Jan Jongboom |
12:4c226ca06191 | 55 | |
Jan Jongboom |
12:4c226ca06191 | 56 | printf("\n----- HTTP GET response -----\n"); |
Jan Jongboom |
12:4c226ca06191 | 57 | dump_response(get_res); |
Jan Jongboom |
12:4c226ca06191 | 58 | |
Jan Jongboom |
12:4c226ca06191 | 59 | delete get_req; |
Jan Jongboom |
12:4c226ca06191 | 60 | } |
Jan Jongboom |
12:4c226ca06191 | 61 | |
Jan Jongboom |
12:4c226ca06191 | 62 | // POST request to httpbin.org |
Jan Jongboom |
12:4c226ca06191 | 63 | { |
Jan Jongboom |
12:4c226ca06191 | 64 | HttpRequest* post_req = new HttpRequest(socket, HTTP_POST, "http://httpbin.org/post"); |
Jan Jongboom |
12:4c226ca06191 | 65 | post_req->set_header("Content-Type", "application/json"); |
Jan Jongboom |
12:4c226ca06191 | 66 | |
Jan Jongboom |
12:4c226ca06191 | 67 | const char body[] = "{\"hello\":\"world\"}"; |
Jan Jongboom |
12:4c226ca06191 | 68 | |
Jan Jongboom |
12:4c226ca06191 | 69 | HttpResponse* post_res = post_req->send(body, strlen(body)); |
Jan Jongboom |
12:4c226ca06191 | 70 | if (!post_res) { |
Jan Jongboom |
12:4c226ca06191 | 71 | printf("HttpRequest failed (error code %d)\n", post_req->get_error()); |
Jan Jongboom |
12:4c226ca06191 | 72 | return 1; |
Jan Jongboom |
12:4c226ca06191 | 73 | } |
Jan Jongboom |
12:4c226ca06191 | 74 | |
Jan Jongboom |
12:4c226ca06191 | 75 | printf("\n----- HTTP POST response -----\n"); |
Jan Jongboom |
12:4c226ca06191 | 76 | dump_response(post_res); |
Jan Jongboom |
12:4c226ca06191 | 77 | |
Jan Jongboom |
12:4c226ca06191 | 78 | delete post_req; |
Jan Jongboom |
12:4c226ca06191 | 79 | } |
Jan Jongboom |
12:4c226ca06191 | 80 | |
Jan Jongboom |
31:66704f6f17c5 | 81 | socket->close(); |
Jan Jongboom |
12:4c226ca06191 | 82 | delete socket; |
Jan Jongboom |
12:4c226ca06191 | 83 | |
Jan Jongboom |
28:9bccd981a393 | 84 | wait(osWaitForever); |
Jan Jongboom |
12:4c226ca06191 | 85 | } |
Jan Jongboom |
12:4c226ca06191 | 86 | |
Jan Jongboom |
12:4c226ca06191 | 87 | #endif |