Nuvoton / Mbed OS NuMaker-mbed-tcp

NuMaker Ethernet TCP

main.cpp@19:43ee976c5259, 2020-09-01 (annotated)

Committer:
cyliang
Date:
Tue Sep 01 05:15:44 2020 +0000
Revision:
19:43ee976c5259
Parent:
18:65dbb1786dc4 
Support both of OS v5.15 and v6.2

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 const int RECV_BUFFER_SIZE = 512;
cyliang 0:45a173aa6aa3 25
cyliang 0:45a173aa6aa3 26 // Test related data
cyliang 0:45a173aa6aa3 27 const char *HTTP_OK_STR = "200 OK";
ccli8 17:e5e8673e25ae 28 const char *HTTP_EXPECT_STR = "GET";
cyliang 0:45a173aa6aa3 29
cyliang 0:45a173aa6aa3 30 // Test buffers
cyliang 0:45a173aa6aa3 31 char buffer[RECV_BUFFER_SIZE] = {0};
cyliang 0:45a173aa6aa3 32 }
cyliang 0:45a173aa6aa3 33
cyliang 0:45a173aa6aa3 34 bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
cyliang 0:45a173aa6aa3 35 const char *f = std::search(first, last, s_first, s_last);
cyliang 0:45a173aa6aa3 36 return (f != last);
cyliang 0:45a173aa6aa3 37 }
cyliang 0:45a173aa6aa3 38
cyliang 0:45a173aa6aa3 39 int main() {
ccli8 14:7a9e90b34298 40 #if MBED_HEAP_STATS_ENABLED
ccli8 14:7a9e90b34298 41 mbed_stats_heap_t heap_stats;
ccli8 14:7a9e90b34298 42 #endif
ccli8 14:7a9e90b34298 43
cyliang 19:43ee976c5259 44 #ifdef MBED_MAJOR_VERSION
cyliang 19:43ee976c5259 45 printf("Mbed OS version %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
cyliang 19:43ee976c5259 46 #endif
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 19:43ee976c5259 54
cyliang 19:43ee976c5259 55 #if (MBED_MAJOR_VERSION == 6)
cyliang 19:43ee976c5259 56 static SocketAddress sa;
cyliang 19:43ee976c5259 57 eth.get_ip_address(&sa);
cyliang 19:43ee976c5259 58 printf("TCP client IP Address is %s\r\n", sa.get_ip_address());
cyliang 19:43ee976c5259 59 TCPSocket sock;
cyliang 19:43ee976c5259 60 sock.open(&eth);
cyliang 19:43ee976c5259 61
cyliang 19:43ee976c5259 62 eth.gethostbyname(HTTP_SERVER_NAME, &sa);
cyliang 19:43ee976c5259 63 sa.set_port(HTTP_SERVER_PORT);
cyliang 19:43ee976c5259 64 if (sock.connect(sa) == 0) {
cyliang 19:43ee976c5259 65 printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 19:43ee976c5259 66 #else
cyliang 0:45a173aa6aa3 67 printf("TCP client IP Address is %s\r\n", eth.get_ip_address());
cyliang 0:45a173aa6aa3 68
cyliang 0:45a173aa6aa3 69 TCPSocket sock(&eth);
cyliang 2:291ff97f421e 70
cyliang 0:45a173aa6aa3 71 if (sock.connect(HTTP_SERVER_NAME, HTTP_SERVER_PORT) == 0) {
cyliang 0:45a173aa6aa3 72 printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 19:43ee976c5259 73 #endif
cyliang 0:45a173aa6aa3 74 // We are constructing GET command like this:
ccli8 17:e5e8673e25ae 75 #ifndef USE_HTTP_1_1
ccli8 17:e5e8673e25ae 76 // GET http://www.ifconfig.io/method HTTP/1.0\n\n
cyliang 0:45a173aa6aa3 77 strcpy(buffer, "GET http://");
cyliang 0:45a173aa6aa3 78 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:45a173aa6aa3 79 strcat(buffer, HTTP_SERVER_FILE_PATH);
ccli8 17:e5e8673e25ae 80 strcat(buffer, " HTTP/1.0\n\n");
ccli8 17:e5e8673e25ae 81 #else
ccli8 17:e5e8673e25ae 82 // GET /method HTTP/1.1\r\nHost: ifconfig.io\r\nConnection: close\r\n\r\n"
ccli8 17:e5e8673e25ae 83 strcpy(buffer, "GET ");
ccli8 17:e5e8673e25ae 84 strcat(buffer, HTTP_SERVER_FILE_PATH);
ccli8 17:e5e8673e25ae 85 strcat(buffer, " HTTP/1.1\r\nHost: ");
ccli8 17:e5e8673e25ae 86 strcat(buffer, HTTP_SERVER_NAME);
ccli8 17:e5e8673e25ae 87 strcat(buffer, "\r\nConnection: close\r\n\r\n");
ccli8 17:e5e8673e25ae 88 #endif
ccli8 17:e5e8673e25ae 89
cyliang 0:45a173aa6aa3 90 // Send GET command
cyliang 0:45a173aa6aa3 91 sock.send(buffer, strlen(buffer));
cyliang 0:45a173aa6aa3 92
cyliang 0:45a173aa6aa3 93 // Server will respond with HTTP GET's success code
cyliang 0:45a173aa6aa3 94 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:45a173aa6aa3 95 buffer[ret] = '\0';
cyliang 0:45a173aa6aa3 96
cyliang 0:45a173aa6aa3 97 // Find 200 OK HTTP status in reply
cyliang 0:45a173aa6aa3 98 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
ccli8 17:e5e8673e25ae 99 // Find "deny" string in reply
ccli8 17:e5e8673e25ae 100 bool found_expect = find_substring(buffer, buffer + ret, HTTP_EXPECT_STR, HTTP_EXPECT_STR + strlen(HTTP_EXPECT_STR));
cyliang 0:45a173aa6aa3 101
cyliang 0:45a173aa6aa3 102 if (!found_200_ok) result = false;
ccli8 17:e5e8673e25ae 103 if (!found_expect) result = false;
cyliang 0:45a173aa6aa3 104
cyliang 0:45a173aa6aa3 105 printf("HTTP: Received %d chars from server\r\n", ret);
cyliang 0:45a173aa6aa3 106 printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
ccli8 17:e5e8673e25ae 107 printf("HTTP: Received '%s' status ... %s\r\n", HTTP_EXPECT_STR, found_expect ? "[OK]" : "[FAIL]");
cyliang 0:45a173aa6aa3 108 printf("HTTP: Received massage:\r\n\r\n");
cyliang 0:45a173aa6aa3 109 printf("%s", buffer);
cyliang 0:45a173aa6aa3 110 }
ccli8 14:7a9e90b34298 111
cyliang 0:45a173aa6aa3 112 sock.close();
cyliang 0:45a173aa6aa3 113 eth.disconnect();
ccli8 14:7a9e90b34298 114
ccli8 14:7a9e90b34298 115 #if MBED_HEAP_STATS_ENABLED
ccli8 14:7a9e90b34298 116 mbed_stats_heap_get(&heap_stats);
ccli8 14:7a9e90b34298 117 printf("Current heap: %lu\r\n", heap_stats.current_size);
ccli8 14:7a9e90b34298 118 printf("Max heap size: %lu\r\n", heap_stats.max_size);
ccli8 14:7a9e90b34298 119 #endif
cyliang 0:45a173aa6aa3 120 }