Greg Steiert
/
HTTP_SD_Server_ArchPro
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: EthernetInterface SDFileSystem mbed-rtos mbed
Fork of
HTTP_SD_Server
by 
Greg Steiert
Embed:
(wiki syntax)
Show/hide line numbers
main.cpp
00001 #include "mbed.h" 00002 #include "EthernetInterface.h" 00003 #include "SDFileSystem.h" 00004 #include <stdio.h> 00005 #include <string.h> 00006 00007 #define HTTPD_SERVER_PORT 80 00008 #define HTTPD_MAX_REQ_LENGTH 1023 00009 #define HTTPD_MAX_HDR_LENGTH 255 00010 #define HTTPD_MAX_FNAME_LENGTH 127 00011 #define HTTPD_MAX_DNAME_LENGTH 127 00012 00013 Serial uart(USBTX, USBRX); 00014 00015 //SDFileSystem sd(p5, p6, p7, p8, "sd"); // LPC1768 MBD2PMD 00016 SDFileSystem sd(P0_18, P0_17, P0_15, P0_16, "sd"); // Seeeduino Arch Pro SPI2SD 00017 //SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // K64F 00018 00019 EthernetInterface eth; 00020 TCPSocketServer server; 00021 TCPSocketConnection client; 00022 00023 char buffer[HTTPD_MAX_REQ_LENGTH+1]; 00024 char httpHeader[HTTPD_MAX_HDR_LENGTH+1]; 00025 char fileName[HTTPD_MAX_FNAME_LENGTH+1]; 00026 char dirName[HTTPD_MAX_DNAME_LENGTH+1]; 00027 char *uristr; 00028 char *eou; 00029 char *qrystr; 00030 00031 FILE *fp; 00032 int rdCnt; 00033 00034 void get_file(char* uri) 00035 { 00036 uart.printf("get_file %s\n", uri); 00037 char *lstchr = strrchr(uri, NULL) -1; 00038 if ('/' == *lstchr) { 00039 uart.printf("Open directory /sd%s\n", uri); 00040 *lstchr = 0; 00041 sprintf(fileName, "/sd%s", uri); 00042 DIR *d = opendir(fileName); 00043 if (d != NULL) { 00044 sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); 00045 client.send(httpHeader,strlen(httpHeader)); 00046 sprintf(httpHeader,"<html><head><title>Directory Listing</title></head><body><h1>%s Directory Listing</h1><ul>", uri); 00047 client.send(httpHeader,strlen(httpHeader)); 00048 struct dirent *p; 00049 while((p = readdir(d)) != NULL) { 00050 sprintf(dirName, "%s/%s", fileName, p->d_name); 00051 uart.printf("%s\n", dirName); 00052 DIR *subDir = opendir(dirName); 00053 if (subDir != NULL) { 00054 sprintf(httpHeader,"<li><a href=\"./%s/\">%s/</a></li>", p->d_name, p->d_name); 00055 } else { 00056 sprintf(httpHeader,"<li><a href=\"./%s\">%s</a></li>", p->d_name, p->d_name); 00057 } 00058 client.send(httpHeader,strlen(httpHeader)); 00059 } 00060 } 00061 closedir(d); 00062 uart.printf("Directory closed\n"); 00063 sprintf(httpHeader,"</ul></body></html>"); 00064 client.send(httpHeader,strlen(httpHeader)); 00065 } else { 00066 sprintf(fileName, "/sd%s", uri); 00067 fp = fopen(fileName, "r"); 00068 if (fp == NULL) { 00069 sprintf(httpHeader,"HTTP/1.1 404 Not Found \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); 00070 client.send(httpHeader,strlen(httpHeader)); 00071 client.send(uri,strlen(uri)); 00072 } else { 00073 sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); 00074 client.send(httpHeader,strlen(httpHeader)); 00075 while ((rdCnt = fread(buffer, sizeof( char ), 1024, fp)) == 1024) { 00076 client.send(buffer, rdCnt); 00077 } 00078 client.send(buffer, rdCnt); 00079 fclose(fp); 00080 } 00081 } 00082 } 00083 00084 int main (void) 00085 { 00086 // Serial Interface eth; 00087 uart.baud(115200); 00088 uart.printf("Initializing\n"); 00089 00090 // Check File System 00091 uart.printf("Checking File System\n"); 00092 DIR *d = opendir("/sd/"); 00093 if (d != NULL) { 00094 uart.printf("SD Card Present\n"); 00095 } else { 00096 uart.printf("SD Card Root Directory Not Found\n"); 00097 } 00098 00099 // EthernetInterface eth; 00100 uart.printf("Initializing Ethernet\n"); 00101 eth.init(); //Use DHCP 00102 uart.printf("Connecting\n"); 00103 eth.connect(); 00104 uart.printf("IP Address is %s\n", eth.getIPAddress()); 00105 00106 // TCPSocketServer server; 00107 server.bind(HTTPD_SERVER_PORT); 00108 server.listen(); 00109 uart.printf("Server Listening\n"); 00110 00111 while (true) { 00112 uart.printf("\nWait for new connection...\r\n"); 00113 server.accept(client); 00114 client.set_blocking(false, 1500); // Timeout after (1.5)s 00115 00116 uart.printf("Connection from: %s\r\n", client.get_address()); 00117 while (true) { 00118 int n = client.receive(buffer, sizeof(buffer)); 00119 if (n <= 0) break; 00120 uart.printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer); 00121 if (n >= 1024) { 00122 sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); 00123 client.send(httpHeader,strlen(httpHeader)); 00124 client.send(buffer,n); 00125 break; 00126 } else { 00127 buffer[n]=0; 00128 } 00129 if (!strncmp(buffer, "GET ", 4)) { 00130 uristr = buffer + 4; 00131 eou = strstr(uristr, " "); 00132 if (eou == NULL) { 00133 sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); 00134 client.send(httpHeader,strlen(httpHeader)); 00135 client.send(buffer,n); 00136 } else { 00137 *eou = 0; 00138 get_file(uristr); 00139 } 00140 } 00141 } 00142 00143 client.close(); 00144 } 00145 }
Generated on Thu Jul 14 2022 08:14:05 by
1.7.2