Nuvoton / Mbed OS NuMaker-mbed-tcp

NuMaker Ethernet TCP

main.cpp@16:5df36a9f0f60, 2018-10-16 (annotated)

Committer:
ccli8
Date:
Tue Oct 16 15:00:03 2018 +0800
Revision:
16:5df36a9f0f60
Parent:
14:7a9e90b34298
Child:
17:e5e8673e25ae
Remove dead code

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 9:7bea0a488b3f 10 const char *HTTP_SERVER_NAME = "os.mbed.com";
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
cyliang 0:45a173aa6aa3 16 const char *HTTP_SERVER_FILE_PATH = "/media/uploads/mbed_official/hello.txt";
cyliang 0:45a173aa6aa3 17 const int HTTP_SERVER_PORT = 80;
cyliang 2:291ff97f421e 18 #else
cyliang 0:45a173aa6aa3 19 const char *HTTP_SERVER_FILE_PATH = "/examples/arm_mbed/hello.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";
cyliang 0:45a173aa6aa3 31 const char *HTTP_HELLO_STR = "Hello world!";
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:
cyliang 0:45a173aa6aa3 63 // GET http://developer.mbed.org/media/uploads/mbed_official/hello.txt HTTP/1.0\n\n
cyliang 0:45a173aa6aa3 64 strcpy(buffer, "GET http://");
cyliang 0:45a173aa6aa3 65 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:45a173aa6aa3 66 strcat(buffer, HTTP_SERVER_FILE_PATH);
ccli8 16:5df36a9f0f60 67 strcat(buffer, "HTTP/1.0\n\n");
cyliang 0:45a173aa6aa3 68 // Send GET command
cyliang 0:45a173aa6aa3 69 sock.send(buffer, strlen(buffer));
cyliang 0:45a173aa6aa3 70
cyliang 0:45a173aa6aa3 71 // Server will respond with HTTP GET's success code
cyliang 0:45a173aa6aa3 72 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:45a173aa6aa3 73 buffer[ret] = '\0';
cyliang 0:45a173aa6aa3 74
cyliang 0:45a173aa6aa3 75 // Find 200 OK HTTP status in reply
cyliang 0:45a173aa6aa3 76 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
cyliang 0:45a173aa6aa3 77 // Find "Hello World!" string in reply
cyliang 0:45a173aa6aa3 78 bool found_hello = find_substring(buffer, buffer + ret, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
cyliang 0:45a173aa6aa3 79
cyliang 0:45a173aa6aa3 80 if (!found_200_ok) result = false;
cyliang 0:45a173aa6aa3 81 if (!found_hello) result = false;
cyliang 0:45a173aa6aa3 82
cyliang 0:45a173aa6aa3 83 printf("HTTP: Received %d chars from server\r\n", ret);
cyliang 0:45a173aa6aa3 84 printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
cyliang 0:45a173aa6aa3 85 printf("HTTP: Received '%s' status ... %s\r\n", HTTP_HELLO_STR, found_hello ? "[OK]" : "[FAIL]");
cyliang 0:45a173aa6aa3 86 printf("HTTP: Received massage:\r\n\r\n");
cyliang 0:45a173aa6aa3 87 printf("%s", buffer);
cyliang 0:45a173aa6aa3 88 }
ccli8 14:7a9e90b34298 89
cyliang 0:45a173aa6aa3 90 sock.close();
cyliang 0:45a173aa6aa3 91 eth.disconnect();
ccli8 14:7a9e90b34298 92
ccli8 14:7a9e90b34298 93 #if MBED_HEAP_STATS_ENABLED
ccli8 14:7a9e90b34298 94 mbed_stats_heap_get(&heap_stats);
ccli8 14:7a9e90b34298 95 printf("Current heap: %lu\r\n", heap_stats.current_size);
ccli8 14:7a9e90b34298 96 printf("Max heap size: %lu\r\n", heap_stats.max_size);
ccli8 14:7a9e90b34298 97 #endif
cyliang 0:45a173aa6aa3 98 }