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HTTP sdcard file server WIZwiki-W7500ECO
Dependencies: SDFileSystem WIZnetInterface mbed
main.cpp
- Committer:
- bangbh
- Date:
- 2017-04-03
- Revision:
- 0:7a4f19b9d93b
File content as of revision 0:7a4f19b9d93b:
#include "mbed.h" #include "EthernetInterface.h" #include "SDFileSystem.h" #include <stdio.h> #include <string.h> #define MAC "\x00\x08\xDC\x11\x34\x78" #define IP "192.168.123.100" #define MASK "255.255.255.0" #define GATEWAY "192.168.123.1" #define HTTPD_SERVER_PORT 80 #define HTTPD_MAX_REQ_LENGTH 1023 #define HTTPD_MAX_HDR_LENGTH 255 #define HTTPD_MAX_FNAME_LENGTH 127 #define HTTPD_MAX_DNAME_LENGTH 127 Serial uart(USBTX, USBRX); //SDFileSystem sd(p5, p6, p7, p8, "sd"); // LPC1768 MBD2PMD //SDFileSystem sd(P0_18, P0_17, P0_15, P0_16, "sd"); // Seeeduino Arch Pro SPI2SD //SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // K64F SDFileSystem sd(PB_03, PB_02, PB_01, PB_00, "sd"); // WIZwiki-W7500ECO EthernetInterface eth; TCPSocketServer server; TCPSocketConnection client; char buffer[HTTPD_MAX_REQ_LENGTH+1]; char httpHeader[HTTPD_MAX_HDR_LENGTH+1]; char fileName[HTTPD_MAX_FNAME_LENGTH+1]; char dirName[HTTPD_MAX_DNAME_LENGTH+1]; char *uristr; char *eou; char *qrystr; FILE *fp; int rdCnt; DigitalOut led1(LED1); //server listning status DigitalOut led2(LED2); //socket connecting status Ticker ledTick; void ledTickfunc() { led1 = !led1; } void get_file(char* uri) { uart.printf("get_file %s\n", uri); char *lstchr = strrchr(uri, NULL) -1; if ('/' == *lstchr) { uart.printf("Open directory /sd%s\n", uri); *lstchr = 0; sprintf(fileName, "/sd%s", uri); DIR *d = opendir(fileName); if (d != NULL) { sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); client.send(httpHeader,strlen(httpHeader)); sprintf(httpHeader,"<html><head><title>Directory Listing</title></head><body><h1>%s Directory Listing</h1><ul>", uri); client.send(httpHeader,strlen(httpHeader)); struct dirent *p; while((p = readdir(d)) != NULL) { sprintf(dirName, "%s/%s", fileName, p->d_name); uart.printf("%s\n", dirName); DIR *subDir = opendir(dirName); if (subDir != NULL) { sprintf(httpHeader,"<li><a href=\"./%s/\">%s/</a></li>", p->d_name, p->d_name); } else { sprintf(httpHeader,"<li><a href=\"./%s\">%s</a></li>", p->d_name, p->d_name); } client.send(httpHeader,strlen(httpHeader)); } } closedir(d); uart.printf("Directory closed\n"); sprintf(httpHeader,"</ul></body></html>"); client.send(httpHeader,strlen(httpHeader)); } else { sprintf(fileName, "/sd%s", uri); fp = fopen(fileName, "r"); if (fp == NULL) { uart.printf("File not found\n"); sprintf(httpHeader,"HTTP/1.1 404 Not Found \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); client.send(httpHeader,strlen(httpHeader)); client.send(uri,strlen(uri)); } else { uart.printf("Sending: header"); sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); client.send(httpHeader,strlen(httpHeader)); uart.printf(" file"); while ((rdCnt = fread(buffer, sizeof( char ), 1024, fp)) == 1024) { client.send(buffer, rdCnt); uart.printf("."); } client.send(buffer, rdCnt); fclose(fp); uart.printf("done\n"); } } } int main (void) { ledTick.attach(&ledTickfunc,0.5); // Serial Interface eth; uart.baud(115200); uart.printf("Initializing\n"); // Check File System uart.printf("Checking File System\n"); DIR *d = opendir("/sd/"); if (d != NULL) { uart.printf("SD Card Present\n"); } else { uart.printf("SD Card Root Directory Not Found\n"); } // EthernetInterface eth; uart.printf("Initializing Ethernet\n"); //eth.init(); //Use DHCP //eth.init((uint8_t*)MAC); // Use DHCP for WIZnetInterface eth.init((uint8_t*)MAC,IP,MASK,GATEWAY); //IP,mask,Gateway uart.printf("Connecting\n"); eth.connect(); uart.printf("IP Address is %s\n", eth.getIPAddress()); // TCPSocketServer server; server.bind(HTTPD_SERVER_PORT); server.listen(); uart.printf("Server Listening\n"); while (true) { uart.printf("\nWait for new connection...\r\n"); server.accept(client); client.set_blocking(false, 1500); // Timeout after (1.5)s uart.printf("Connection from: %s\r\n", client.get_address()); while (true) { led2 = true; int n = client.receive(buffer, sizeof(buffer)); if (n <= 0) break; uart.printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer); if (n >= 1024) { sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); client.send(httpHeader,strlen(httpHeader)); client.send(buffer,n); break; } else { buffer[n]=0; } if (!strncmp(buffer, "GET ", 4)) { uristr = buffer + 4; eou = strstr(uristr, " "); if (eou == NULL) { sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); client.send(httpHeader,strlen(httpHeader)); client.send(buffer,n); } else { *eou = 0; get_file(uristr); } } } led2 = false; client.close(); } }