Simple server for AGH accademic purpose
Dependencies: EthernetInterface mbed-rtos mbed
Fork of HTTP_SD_Server_K64F by
main.cpp@8:a27748c1fc33, 2016-11-17 (annotated)
- Committer:
- patlas
- Date:
- Thu Nov 17 16:35:33 2016 +0000
- Revision:
- 8:a27748c1fc33
- Parent:
- 7:04744a9ce2b9
- Child:
- 9:aebb88e6e653
Simple HTTP server for accademic purpose - SiSK AGH
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gsteiert | 0:28bc7ce77e20 | 1 | #include "mbed.h" |
gsteiert | 0:28bc7ce77e20 | 2 | #include "EthernetInterface.h" |
patlas | 8:a27748c1fc33 | 3 | |
gsteiert | 0:28bc7ce77e20 | 4 | #include <stdio.h> |
gsteiert | 0:28bc7ce77e20 | 5 | #include <string.h> |
gsteiert | 0:28bc7ce77e20 | 6 | |
gsteiert | 0:28bc7ce77e20 | 7 | #define HTTPD_SERVER_PORT 80 |
gsteiert | 0:28bc7ce77e20 | 8 | #define HTTPD_MAX_REQ_LENGTH 1023 |
gsteiert | 0:28bc7ce77e20 | 9 | #define HTTPD_MAX_HDR_LENGTH 255 |
patlas | 8:a27748c1fc33 | 10 | |
gsteiert | 3:4f71a37a1ed2 | 11 | |
gsteiert | 3:4f71a37a1ed2 | 12 | Serial uart(USBTX, USBRX); |
gsteiert | 0:28bc7ce77e20 | 13 | |
gsteiert | 3:4f71a37a1ed2 | 14 | |
gsteiert | 0:28bc7ce77e20 | 15 | EthernetInterface eth; |
gsteiert | 0:28bc7ce77e20 | 16 | TCPSocketServer server; |
gsteiert | 0:28bc7ce77e20 | 17 | TCPSocketConnection client; |
gsteiert | 0:28bc7ce77e20 | 18 | |
gsteiert | 0:28bc7ce77e20 | 19 | char buffer[HTTPD_MAX_REQ_LENGTH+1]; |
gsteiert | 0:28bc7ce77e20 | 20 | char httpHeader[HTTPD_MAX_HDR_LENGTH+1]; |
patlas | 8:a27748c1fc33 | 21 | |
gsteiert | 0:28bc7ce77e20 | 22 | char *uristr; |
gsteiert | 0:28bc7ce77e20 | 23 | char *eou; |
gsteiert | 0:28bc7ce77e20 | 24 | char *qrystr; |
gsteiert | 0:28bc7ce77e20 | 25 | |
patlas | 8:a27748c1fc33 | 26 | |
gsteiert | 0:28bc7ce77e20 | 27 | int rdCnt; |
gsteiert | 0:28bc7ce77e20 | 28 | |
patlas | 8:a27748c1fc33 | 29 | char *first = "/first"; |
patlas | 8:a27748c1fc33 | 30 | char *sec = "/second"; |
patlas | 8:a27748c1fc33 | 31 | void show_page(char* uri) |
gsteiert | 0:28bc7ce77e20 | 32 | { |
patlas | 8:a27748c1fc33 | 33 | uart.printf("Trying to open requested uri\n"); |
patlas | 8:a27748c1fc33 | 34 | char *lstchr_ptr = strrchr(uri, NULL) -1; //function try to find char which is non ascii (recently set to 0 so no ascii) |
patlas | 8:a27748c1fc33 | 35 | if(!memcmp(uri, first, 6)){ |
patlas | 8:a27748c1fc33 | 36 | sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); |
patlas | 8:a27748c1fc33 | 37 | client.send(httpHeader,strlen(httpHeader)); |
patlas | 8:a27748c1fc33 | 38 | sprintf(httpHeader,"<html><head><title>First_one</title></head><body><h1>First page has been opened</h1></body></html>"); |
gsteiert | 0:28bc7ce77e20 | 39 | client.send(httpHeader,strlen(httpHeader)); |
patlas | 8:a27748c1fc33 | 40 | } |
patlas | 8:a27748c1fc33 | 41 | else if(!memcmp(uri, sec, 6)){ |
patlas | 8:a27748c1fc33 | 42 | sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); |
patlas | 8:a27748c1fc33 | 43 | client.send(httpHeader,strlen(httpHeader)); |
patlas | 8:a27748c1fc33 | 44 | sprintf(httpHeader,"<html><head><title>Seond_one</title></head><body><h1>Second page has been opened</h1></body></html>"); |
patlas | 8:a27748c1fc33 | 45 | client.send(httpHeader,strlen(httpHeader)); |
patlas | 8:a27748c1fc33 | 46 | } |
patlas | 8:a27748c1fc33 | 47 | else{ |
patlas | 8:a27748c1fc33 | 48 | sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); |
patlas | 8:a27748c1fc33 | 49 | client.send(httpHeader,strlen(httpHeader)); |
patlas | 8:a27748c1fc33 | 50 | sprintf(httpHeader,"<html><head><title>ERROR</title></head><body><h1>THERE IS NO SUCH PAGE</h1></body></html>"); |
patlas | 8:a27748c1fc33 | 51 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 52 | } |
gsteiert | 0:28bc7ce77e20 | 53 | } |
gsteiert | 0:28bc7ce77e20 | 54 | |
gsteiert | 0:28bc7ce77e20 | 55 | int main (void) |
gsteiert | 0:28bc7ce77e20 | 56 | { |
gsteiert | 3:4f71a37a1ed2 | 57 | // Serial Interface eth; |
gsteiert | 3:4f71a37a1ed2 | 58 | uart.baud(115200); |
gsteiert | 5:27b09a0f3fb6 | 59 | uart.printf("Initializing\n"); |
gsteiert | 3:4f71a37a1ed2 | 60 | |
patlas | 8:a27748c1fc33 | 61 | // EthernetInterface eth; |
patlas | 8:a27748c1fc33 | 62 | uart.printf("Initializing Ethernet ...\n"); |
patlas | 8:a27748c1fc33 | 63 | if(!eth.init("192.168.5.10", "255.255.255.0", "192.168.5.50")){//Init interface with static IP |
patlas | 8:a27748c1fc33 | 64 | uart.printf("Ethernet interface configured properly\n"); |
gsteiert | 3:4f71a37a1ed2 | 65 | } |
patlas | 8:a27748c1fc33 | 66 | uart.printf("Setting interface UP ...\n"); |
gsteiert | 0:28bc7ce77e20 | 67 | eth.connect(); |
patlas | 8:a27748c1fc33 | 68 | uart.printf("IP: %s\n", eth.getIPAddress()); |
patlas | 8:a27748c1fc33 | 69 | uart.printf("IP: %s\n", eth.getNetworkMask()); |
gsteiert | 0:28bc7ce77e20 | 70 | |
gsteiert | 0:28bc7ce77e20 | 71 | // TCPSocketServer server; |
patlas | 8:a27748c1fc33 | 72 | uart.printf("Starting TCP server at port: %d", HTTPD_SERVER_PORT); |
gsteiert | 0:28bc7ce77e20 | 73 | server.bind(HTTPD_SERVER_PORT); |
gsteiert | 0:28bc7ce77e20 | 74 | server.listen(); |
patlas | 8:a27748c1fc33 | 75 | uart.printf("Server starts listening at port: %d\n", HTTPD_SERVER_PORT); |
gsteiert | 0:28bc7ce77e20 | 76 | |
gsteiert | 0:28bc7ce77e20 | 77 | while (true) { |
patlas | 8:a27748c1fc33 | 78 | uart.printf("\nWaiting for new connection...\r\n"); |
gsteiert | 0:28bc7ce77e20 | 79 | server.accept(client); |
gsteiert | 0:28bc7ce77e20 | 80 | client.set_blocking(false, 1500); // Timeout after (1.5)s |
gsteiert | 0:28bc7ce77e20 | 81 | |
patlas | 8:a27748c1fc33 | 82 | uart.printf("Client with IP %s has connected with server.\r\n", client.get_address()); |
gsteiert | 0:28bc7ce77e20 | 83 | while (true) { |
gsteiert | 0:28bc7ce77e20 | 84 | int n = client.receive(buffer, sizeof(buffer)); |
gsteiert | 0:28bc7ce77e20 | 85 | if (n <= 0) break; |
gsteiert | 3:4f71a37a1ed2 | 86 | uart.printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer); |
gsteiert | 0:28bc7ce77e20 | 87 | if (n >= 1024) { |
gsteiert | 0:28bc7ce77e20 | 88 | sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 89 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 90 | client.send(buffer,n); |
gsteiert | 0:28bc7ce77e20 | 91 | break; |
gsteiert | 0:28bc7ce77e20 | 92 | } else { |
gsteiert | 0:28bc7ce77e20 | 93 | buffer[n]=0; |
gsteiert | 0:28bc7ce77e20 | 94 | } |
gsteiert | 0:28bc7ce77e20 | 95 | if (!strncmp(buffer, "GET ", 4)) { |
gsteiert | 0:28bc7ce77e20 | 96 | uristr = buffer + 4; |
gsteiert | 0:28bc7ce77e20 | 97 | eou = strstr(uristr, " "); |
gsteiert | 0:28bc7ce77e20 | 98 | if (eou == NULL) { |
gsteiert | 0:28bc7ce77e20 | 99 | sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 100 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 101 | client.send(buffer,n); |
gsteiert | 0:28bc7ce77e20 | 102 | } else { |
gsteiert | 0:28bc7ce77e20 | 103 | *eou = 0; |
patlas | 8:a27748c1fc33 | 104 | show_page(uristr); |
gsteiert | 0:28bc7ce77e20 | 105 | } |
gsteiert | 0:28bc7ce77e20 | 106 | } |
gsteiert | 0:28bc7ce77e20 | 107 | } |
gsteiert | 0:28bc7ce77e20 | 108 | |
gsteiert | 0:28bc7ce77e20 | 109 | client.close(); |
gsteiert | 0:28bc7ce77e20 | 110 | } |
gsteiert | 0:28bc7ce77e20 | 111 | } |