Nuvoton / Mbed OS NuMaker-mbed-tcp

NuMaker Ethernet TCP

main.cpp@17:e5e8673e25ae, 2019-07-19 (annotated)

Committer:
ccli8
Date:
Fri Jul 19 16:10:23 2019 +0800
Revision:
17:e5e8673e25ae
Parent:
16:5df36a9f0f60
Child:
18:65dbb1786dc4
Change test server to www.ifconfig.io

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