Webserver only w/o any other functions, single thread. Running on STM32F013+W5500
Dependencies: NTPClient W5500Interface Watchdog device_configuration eeprom_flash mbed-rpc-nucleo mbed-rtos mbed
Fork of F103-Serial-to-Ethernet by
HTTPServer.cpp@40:c966abbe2d62, 2016-06-16 (annotated)
- Committer:
- olympux
- Date:
- Thu Jun 16 08:38:31 2016 +0000
- Revision:
- 40:c966abbe2d62
Working with a few issues:; - Added RPC AnalogIn, wdt reset when creating new object on PC_0; - Added creating RPC string but not tested yet
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
olympux | 40:c966abbe2d62 | 1 | #include "HTTPServer.h" |
olympux | 40:c966abbe2d62 | 2 | |
olympux | 40:c966abbe2d62 | 3 | #define INVALID_FORMATTER "No valid formatter specified" |
olympux | 40:c966abbe2d62 | 4 | |
olympux | 40:c966abbe2d62 | 5 | bool cmp(char* a, char* b) |
olympux | 40:c966abbe2d62 | 6 | { |
olympux | 40:c966abbe2d62 | 7 | return strcmp(a,b) < 0; |
olympux | 40:c966abbe2d62 | 8 | } |
olympux | 40:c966abbe2d62 | 9 | |
olympux | 40:c966abbe2d62 | 10 | HTTPServer::HTTPServer(Formatter *f): |
olympux | 40:c966abbe2d62 | 11 | socket(), |
olympux | 40:c966abbe2d62 | 12 | handlers(&cmp), |
olympux | 40:c966abbe2d62 | 13 | formatter(f), |
olympux | 40:c966abbe2d62 | 14 | reply(), |
olympux | 40:c966abbe2d62 | 15 | command() |
olympux | 40:c966abbe2d62 | 16 | { |
olympux | 40:c966abbe2d62 | 17 | } |
olympux | 40:c966abbe2d62 | 18 | |
olympux | 40:c966abbe2d62 | 19 | HTTPServer::~HTTPServer() |
olympux | 40:c966abbe2d62 | 20 | { |
olympux | 40:c966abbe2d62 | 21 | for(std::map<char*, RequestHandler*>::iterator itor = handlers.begin(); |
olympux | 40:c966abbe2d62 | 22 | itor != handlers.end(); |
olympux | 40:c966abbe2d62 | 23 | ++itor) |
olympux | 40:c966abbe2d62 | 24 | delete itor->second; |
olympux | 40:c966abbe2d62 | 25 | |
olympux | 40:c966abbe2d62 | 26 | if(formatter) |
olympux | 40:c966abbe2d62 | 27 | delete formatter; |
olympux | 40:c966abbe2d62 | 28 | } |
olympux | 40:c966abbe2d62 | 29 | |
olympux | 40:c966abbe2d62 | 30 | bool HTTPServer::init(int port) |
olympux | 40:c966abbe2d62 | 31 | { |
olympux | 40:c966abbe2d62 | 32 | socket.set_blocking(true); |
olympux | 40:c966abbe2d62 | 33 | if(socket.bind(port)) |
olympux | 40:c966abbe2d62 | 34 | { |
olympux | 40:c966abbe2d62 | 35 | printf("Could not bind on port %d.\n", port); |
olympux | 40:c966abbe2d62 | 36 | return false; |
olympux | 40:c966abbe2d62 | 37 | } |
olympux | 40:c966abbe2d62 | 38 | |
olympux | 40:c966abbe2d62 | 39 | if(socket.listen()) |
olympux | 40:c966abbe2d62 | 40 | { |
olympux | 40:c966abbe2d62 | 41 | printf("Could not listen %d\n", port); |
olympux | 40:c966abbe2d62 | 42 | return false; |
olympux | 40:c966abbe2d62 | 43 | } |
olympux | 40:c966abbe2d62 | 44 | |
olympux | 40:c966abbe2d62 | 45 | return true; |
olympux | 40:c966abbe2d62 | 46 | } |
olympux | 40:c966abbe2d62 | 47 | |
olympux | 40:c966abbe2d62 | 48 | void HTTPServer::run() |
olympux | 40:c966abbe2d62 | 49 | { |
olympux | 40:c966abbe2d62 | 50 | TCPSocketConnection c; |
olympux | 40:c966abbe2d62 | 51 | while(true) |
olympux | 40:c966abbe2d62 | 52 | { |
olympux | 40:c966abbe2d62 | 53 | while(socket.accept(c)); |
olympux | 40:c966abbe2d62 | 54 | c.set_blocking(false, 1000); |
olympux | 40:c966abbe2d62 | 55 | while(c.is_connected()) |
olympux | 40:c966abbe2d62 | 56 | { |
olympux | 40:c966abbe2d62 | 57 | char buffer[512]; |
olympux | 40:c966abbe2d62 | 58 | int n = c.receive_all(buffer, sizeof(buffer)-1); |
olympux | 40:c966abbe2d62 | 59 | if(n == 0) |
olympux | 40:c966abbe2d62 | 60 | { |
olympux | 40:c966abbe2d62 | 61 | c.close(); |
olympux | 40:c966abbe2d62 | 62 | break; |
olympux | 40:c966abbe2d62 | 63 | } |
olympux | 40:c966abbe2d62 | 64 | else if(n != -1) |
olympux | 40:c966abbe2d62 | 65 | { |
olympux | 40:c966abbe2d62 | 66 | printf("Received data\n"); |
olympux | 40:c966abbe2d62 | 67 | buffer[n] = '\0'; |
olympux | 40:c966abbe2d62 | 68 | handle_request(buffer); |
olympux | 40:c966abbe2d62 | 69 | if(formatter != NULL) |
olympux | 40:c966abbe2d62 | 70 | { |
olympux | 40:c966abbe2d62 | 71 | printf("Sending data..."); |
olympux | 40:c966abbe2d62 | 72 | char *page = formatter->get_page(reply); |
olympux | 40:c966abbe2d62 | 73 | do |
olympux | 40:c966abbe2d62 | 74 | { |
olympux | 40:c966abbe2d62 | 75 | c.send(page, strlen(page)+1); |
olympux | 40:c966abbe2d62 | 76 | page = formatter->get_page(reply); |
olympux | 40:c966abbe2d62 | 77 | }while(strlen(page)>0); |
olympux | 40:c966abbe2d62 | 78 | printf("done\n"); |
olympux | 40:c966abbe2d62 | 79 | } |
olympux | 40:c966abbe2d62 | 80 | else |
olympux | 40:c966abbe2d62 | 81 | c.send(INVALID_FORMATTER, strlen(INVALID_FORMATTER)+1); |
olympux | 40:c966abbe2d62 | 82 | } |
olympux | 40:c966abbe2d62 | 83 | else |
olympux | 40:c966abbe2d62 | 84 | printf("Error while receiving data\n"); |
olympux | 40:c966abbe2d62 | 85 | } |
olympux | 40:c966abbe2d62 | 86 | } |
olympux | 40:c966abbe2d62 | 87 | } |
olympux | 40:c966abbe2d62 | 88 | |
olympux | 40:c966abbe2d62 | 89 | void HTTPServer::handle_request(char *buffer) |
olympux | 40:c966abbe2d62 | 90 | { |
olympux | 40:c966abbe2d62 | 91 | char *request_type = strtok(buffer, " "); |
olympux | 40:c966abbe2d62 | 92 | char *request = strtok(NULL, " "); |
olympux | 40:c966abbe2d62 | 93 | |
olympux | 40:c966abbe2d62 | 94 | reply[0] = '\0'; |
olympux | 40:c966abbe2d62 | 95 | if(!strcmp(request, "/")) |
olympux | 40:c966abbe2d62 | 96 | return; |
olympux | 40:c966abbe2d62 | 97 | |
olympux | 40:c966abbe2d62 | 98 | if(!command.decode(request)) |
olympux | 40:c966abbe2d62 | 99 | { |
olympux | 40:c966abbe2d62 | 100 | strcat(reply, "Malformed request"); |
olympux | 40:c966abbe2d62 | 101 | return; |
olympux | 40:c966abbe2d62 | 102 | } |
olympux | 40:c966abbe2d62 | 103 | |
olympux | 40:c966abbe2d62 | 104 | std::map<char*, RequestHandler*>::iterator itor = handlers.find(request_type); |
olympux | 40:c966abbe2d62 | 105 | if(itor == handlers.end()) |
olympux | 40:c966abbe2d62 | 106 | { |
olympux | 40:c966abbe2d62 | 107 | strcat(reply, "No request handler found for this type of request."); |
olympux | 40:c966abbe2d62 | 108 | return; |
olympux | 40:c966abbe2d62 | 109 | } |
olympux | 40:c966abbe2d62 | 110 | if(itor->second != NULL) |
olympux | 40:c966abbe2d62 | 111 | itor->second->handle(command, reply); |
olympux | 40:c966abbe2d62 | 112 | else |
olympux | 40:c966abbe2d62 | 113 | strcat(reply, "Invalid request handler"); |
olympux | 40:c966abbe2d62 | 114 | } |
olympux | 40:c966abbe2d62 | 115 | |
olympux | 40:c966abbe2d62 | 116 | void HTTPServer::add_request_handler(char *name, RequestHandler* handler) |
olympux | 40:c966abbe2d62 | 117 | { |
olympux | 40:c966abbe2d62 | 118 | handlers[name] = handler; |
olympux | 40:c966abbe2d62 | 119 | } |
olympux | 40:c966abbe2d62 | 120 |