Nuvoton / Mbed OS NuMaker-mbed-tcp

NuMaker Ethernet TCP

main.cpp@18:65dbb1786dc4, 2019-12-09 (annotated)

Committer:
cyliang
Date:
Mon Dec 09 10:02:21 2019 +0000
Revision:
18:65dbb1786dc4
Parent:
17:e5e8673e25ae
Child:
19:43ee976c5259
Change the default protocol as HTTP1.1 instead of HTTP1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cyliang 0:45a173aa6aa3 1 #include "mbed.h"
cyliang 0:45a173aa6aa3 2 #include "EthernetInterface.h"
cyliang 0:45a173aa6aa3 3 #include "TCPSocket.h"
cyliang 0:45a173aa6aa3 4
cyliang 18:65dbb1786dc4 5 #define USE_HTTP_1_1
cyliang 1:621d4620acd2 6 //#define LOCAL_LAN
cyliang 0:45a173aa6aa3 7
cyliang 0:45a173aa6aa3 8 namespace {
cyliang 0:45a173aa6aa3 9 // Test connection information
cyliang 2:291ff97f421e 10 #ifndef LOCAL_LAN
ccli8 17:e5e8673e25ae 11 const char *HTTP_SERVER_NAME = "www.ifconfig.io";
cyliang 0:45a173aa6aa3 12 #else
cyliang 2:291ff97f421e 13 const char *HTTP_SERVER_NAME = "pt22_winserver2.nuvoton.com";
cyliang 0:45a173aa6aa3 14 #endif
cyliang 2:291ff97f421e 15
cyliang 2:291ff97f421e 16 #ifndef LOCAL_LAN
ccli8 17:e5e8673e25ae 17 const char *HTTP_SERVER_FILE_PATH = "/method";
cyliang 0:45a173aa6aa3 18 const int HTTP_SERVER_PORT = 80;
cyliang 2:291ff97f421e 19 #else
ccli8 17:e5e8673e25ae 20 const char *HTTP_SERVER_FILE_PATH = "/examples/arm_mbed/method.txt";
cyliang 0:45a173aa6aa3 21 const int HTTP_SERVER_PORT = 8080;
cyliang 2:291ff97f421e 22 #endif
cyliang 0:45a173aa6aa3 23
cyliang 0:45a173aa6aa3 24 #if defined(TARGET_VK_RZ_A1H)
cyliang 0:45a173aa6aa3 25 const int RECV_BUFFER_SIZE = 300;
cyliang 0:45a173aa6aa3 26 #else
cyliang 0:45a173aa6aa3 27 const int RECV_BUFFER_SIZE = 512;
cyliang 0:45a173aa6aa3 28 #endif
cyliang 0:45a173aa6aa3 29
cyliang 0:45a173aa6aa3 30 // Test related data
cyliang 0:45a173aa6aa3 31 const char *HTTP_OK_STR = "200 OK";
ccli8 17:e5e8673e25ae 32 const char *HTTP_EXPECT_STR = "GET";
cyliang 0:45a173aa6aa3 33
cyliang 0:45a173aa6aa3 34 // Test buffers
cyliang 0:45a173aa6aa3 35 char buffer[RECV_BUFFER_SIZE] = {0};
cyliang 0:45a173aa6aa3 36 }
cyliang 0:45a173aa6aa3 37
cyliang 0:45a173aa6aa3 38 bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
cyliang 0:45a173aa6aa3 39 const char *f = std::search(first, last, s_first, s_last);
cyliang 0:45a173aa6aa3 40 return (f != last);
cyliang 0:45a173aa6aa3 41 }
cyliang 0:45a173aa6aa3 42
cyliang 0:45a173aa6aa3 43 int main() {
ccli8 14:7a9e90b34298 44 #if MBED_HEAP_STATS_ENABLED
ccli8 14:7a9e90b34298 45 mbed_stats_heap_t heap_stats;
ccli8 14:7a9e90b34298 46 #endif
ccli8 14:7a9e90b34298 47
ccli8 16:5df36a9f0f60 48 printf("Start TCP test \r\n");
cyliang 2:291ff97f421e 49
cyliang 0:45a173aa6aa3 50 bool result = true;
cyliang 2:291ff97f421e 51
cyliang 0:45a173aa6aa3 52 EthernetInterface eth;
cyliang 2:291ff97f421e 53
cyliang 2:291ff97f421e 54 eth.connect(); //Use DHCP
cyliang 0:45a173aa6aa3 55
cyliang 0:45a173aa6aa3 56 printf("TCP client IP Address is %s\r\n", eth.get_ip_address());
cyliang 0:45a173aa6aa3 57
cyliang 0:45a173aa6aa3 58 TCPSocket sock(&eth);
cyliang 2:291ff97f421e 59
cyliang 0:45a173aa6aa3 60 if (sock.connect(HTTP_SERVER_NAME, HTTP_SERVER_PORT) == 0) {
cyliang 0:45a173aa6aa3 61 printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 0:45a173aa6aa3 62
cyliang 0:45a173aa6aa3 63 // We are constructing GET command like this:
ccli8 17:e5e8673e25ae 64 #ifndef USE_HTTP_1_1
ccli8 17:e5e8673e25ae 65 // GET http://www.ifconfig.io/method HTTP/1.0\n\n
cyliang 0:45a173aa6aa3 66 strcpy(buffer, "GET http://");
cyliang 0:45a173aa6aa3 67 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:45a173aa6aa3 68 strcat(buffer, HTTP_SERVER_FILE_PATH);
ccli8 17:e5e8673e25ae 69 strcat(buffer, " HTTP/1.0\n\n");
ccli8 17:e5e8673e25ae 70 #else
ccli8 17:e5e8673e25ae 71 // GET /method HTTP/1.1\r\nHost: ifconfig.io\r\nConnection: close\r\n\r\n"
ccli8 17:e5e8673e25ae 72 strcpy(buffer, "GET ");
ccli8 17:e5e8673e25ae 73 strcat(buffer, HTTP_SERVER_FILE_PATH);
ccli8 17:e5e8673e25ae 74 strcat(buffer, " HTTP/1.1\r\nHost: ");
ccli8 17:e5e8673e25ae 75 strcat(buffer, HTTP_SERVER_NAME);
ccli8 17:e5e8673e25ae 76 strcat(buffer, "\r\nConnection: close\r\n\r\n");
ccli8 17:e5e8673e25ae 77 #endif
ccli8 17:e5e8673e25ae 78
cyliang 0:45a173aa6aa3 79 // Send GET command
cyliang 0:45a173aa6aa3 80 sock.send(buffer, strlen(buffer));
cyliang 0:45a173aa6aa3 81
cyliang 0:45a173aa6aa3 82 // Server will respond with HTTP GET's success code
cyliang 0:45a173aa6aa3 83 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:45a173aa6aa3 84 buffer[ret] = '\0';
cyliang 0:45a173aa6aa3 85
cyliang 0:45a173aa6aa3 86 // Find 200 OK HTTP status in reply
cyliang 0:45a173aa6aa3 87 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
ccli8 17:e5e8673e25ae 88 // Find "deny" string in reply
ccli8 17:e5e8673e25ae 89 bool found_expect = find_substring(buffer, buffer + ret, HTTP_EXPECT_STR, HTTP_EXPECT_STR + strlen(HTTP_EXPECT_STR));
cyliang 0:45a173aa6aa3 90
cyliang 0:45a173aa6aa3 91 if (!found_200_ok) result = false;
ccli8 17:e5e8673e25ae 92 if (!found_expect) result = false;
cyliang 0:45a173aa6aa3 93
cyliang 0:45a173aa6aa3 94 printf("HTTP: Received %d chars from server\r\n", ret);
cyliang 0:45a173aa6aa3 95 printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
ccli8 17:e5e8673e25ae 96 printf("HTTP: Received '%s' status ... %s\r\n", HTTP_EXPECT_STR, found_expect ? "[OK]" : "[FAIL]");
cyliang 0:45a173aa6aa3 97 printf("HTTP: Received massage:\r\n\r\n");
cyliang 0:45a173aa6aa3 98 printf("%s", buffer);
cyliang 0:45a173aa6aa3 99 }
ccli8 14:7a9e90b34298 100
cyliang 0:45a173aa6aa3 101 sock.close();
cyliang 0:45a173aa6aa3 102 eth.disconnect();
ccli8 14:7a9e90b34298 103
ccli8 14:7a9e90b34298 104 #if MBED_HEAP_STATS_ENABLED
ccli8 14:7a9e90b34298 105 mbed_stats_heap_get(&heap_stats);
ccli8 14:7a9e90b34298 106 printf("Current heap: %lu\r\n", heap_stats.current_size);
ccli8 14:7a9e90b34298 107 printf("Max heap size: %lu\r\n", heap_stats.max_size);
ccli8 14:7a9e90b34298 108 #endif
cyliang 0:45a173aa6aa3 109 }