GSL_08-HttpServer-RPC-Funcs - Simple code to demonstrate how to map an RPC glob…

Users » botdream » Code » GSL_08-HttpServer-RPC-Funcs

Nelson Neves / GSL_08-HttpServer-RPC-Funcs

Simple code to demonstrate how to map an RPC global function that receives 3 parameters via REST HTTP Get request. Note: Demo program to be used on the GeekSessionLab Talk (November 2011). http://devrendezvous.com/?lang=en

Dependencies: EthernetNetIf mbed HTTPServer

main.cpp@0:3abfd4f28df8, 2011-10-27 (annotated)

Committer:: botdream
Date:: Thu Oct 27 23:11:50 2011 +0000
Revision:: 0:3abfd4f28df8

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User	Revision	Line number	New contents of line
botdream	0:3abfd4f28df8	1	/* //---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	2	// RPC DemoCmd
botdream	0:3abfd4f28df8	3	http://192.168.1.100/rpc/democmd/run%201000%20100%201
botdream	0:3abfd4f28df8	4	http://192.168.1.100/rpc/democmd/run 1000 100 1
botdream	0:3abfd4f28df8	5
botdream	0:3abfd4f28df8	6	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	7	// resources
botdream	0:3abfd4f28df8	8	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	9	http://mbed.org/handbook/C-Data-Types
botdream	0:3abfd4f28df8	10	http://mbed.org/cookbook/RPC-Interface-Library
botdream	0:3abfd4f28df8	11	http://mbed.org/cookbook/HTTP-Server
botdream	0:3abfd4f28df8	12	http://mbed.org/cookbook/Ethernet
botdream	0:3abfd4f28df8	13	http://mbed.org/handbook/Ticker
botdream	0:3abfd4f28df8	14	//--------------------------------------------------------------------------------------------- */
botdream	0:3abfd4f28df8	15	#include "mbed.h"
botdream	0:3abfd4f28df8	16	#include "EthernetNetIf.h"
botdream	0:3abfd4f28df8	17	#include "HTTPServer.h"
botdream	0:3abfd4f28df8	18	#include "RPCFunction.h"
botdream	0:3abfd4f28df8	19	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	20	DigitalOut myled(LED1);
botdream	0:3abfd4f28df8	21	Serial pc(USBTX, USBRX); // tx, rx
botdream	0:3abfd4f28df8	22	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	23	#define internaldebug // send debug messages to USB Serial port (9600,1,N)
botdream	0:3abfd4f28df8	24	//#define dhcpenable // auto-setup IP Address from DHCP router
botdream	0:3abfd4f28df8	25	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	26	// Timer Interrupt - NetPool
botdream	0:3abfd4f28df8	27	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	28	Ticker netpool;
botdream	0:3abfd4f28df8	29	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	30	// Ethernet Object Setup
botdream	0:3abfd4f28df8	31	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	32	#ifdef dhcpenable
botdream	0:3abfd4f28df8	33	EthernetNetIf eth;
botdream	0:3abfd4f28df8	34	#else
botdream	0:3abfd4f28df8	35	EthernetNetIf eth(
botdream	0:3abfd4f28df8	36	IpAddr(192,168,1,100), //IP Address
botdream	0:3abfd4f28df8	37	IpAddr(255,255,255,0), //Network Mask
botdream	0:3abfd4f28df8	38	IpAddr(192,168,1,254), //Gateway
botdream	0:3abfd4f28df8	39	IpAddr(192,168,1,254) //DNS
botdream	0:3abfd4f28df8	40	);
botdream	0:3abfd4f28df8	41	#endif
botdream	0:3abfd4f28df8	42	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	43	// HTTP Server
botdream	0:3abfd4f28df8	44	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	45	HTTPServer httpserver;
botdream	0:3abfd4f28df8	46	LocalFileSystem fs("webfs");
botdream	0:3abfd4f28df8	47
botdream	0:3abfd4f28df8	48	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	49
botdream	0:3abfd4f28df8	50	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	51	// ISR -> Pool Ethernet - will be triggered by netpool ticker
botdream	0:3abfd4f28df8	52	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	53	void netpoolupdate()
botdream	0:3abfd4f28df8	54	{
botdream	0:3abfd4f28df8	55	Net::poll();
botdream	0:3abfd4f28df8	56	}
botdream	0:3abfd4f28df8	57	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	58
botdream	0:3abfd4f28df8	59	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	60	// RPC TList Commands (Task/Job List)
botdream	0:3abfd4f28df8	61	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	62	void rpc_democmd(char input, char output)
botdream	0:3abfd4f28df8	63	{
botdream	0:3abfd4f28df8	64	int iarg1 = 0;
botdream	0:3abfd4f28df8	65	int iarg2 = 0;
botdream	0:3abfd4f28df8	66	int iarg3 = 0;
botdream	0:3abfd4f28df8	67
botdream	0:3abfd4f28df8	68	sscanf(input, "%i %i %i", &iarg1, &iarg2, &iarg3);
botdream	0:3abfd4f28df8	69
botdream	0:3abfd4f28df8	70	#ifdef internaldebug
botdream	0:3abfd4f28df8	71	printf("Calling RCP Function DemoCmd.\r\n");
botdream	0:3abfd4f28df8	72	printf("INPUT: %s.\r\n", input);
botdream	0:3abfd4f28df8	73	printf("OUTPUT: %s.\r\n", output);
botdream	0:3abfd4f28df8	74	printf("ARG1: %d\r\n", iarg1);
botdream	0:3abfd4f28df8	75	printf("ARG2: %d\r\n", iarg2);
botdream	0:3abfd4f28df8	76	printf("ARG3: %d\r\n", iarg3);
botdream	0:3abfd4f28df8	77	#endif
botdream	0:3abfd4f28df8	78
botdream	0:3abfd4f28df8	79	sprintf(output, "<html><body>RCP Demo Cmd Completed!</body></html>");
botdream	0:3abfd4f28df8	80	}
botdream	0:3abfd4f28df8	81	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	82
botdream	0:3abfd4f28df8	83
botdream	0:3abfd4f28df8	84	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	85	// MAIN
botdream	0:3abfd4f28df8	86	//---------------------------------------------------------------------------------------------
botdream	0:3abfd4f28df8	87	int main()
botdream	0:3abfd4f28df8	88	{
botdream	0:3abfd4f28df8	89	// Set Serial Port Transfer Rate
botdream	0:3abfd4f28df8	90	pc.baud(115200);
botdream	0:3abfd4f28df8	91
botdream	0:3abfd4f28df8	92	//--------------------------------------------------------
botdream	0:3abfd4f28df8	93	// Setting Ethernet
botdream	0:3abfd4f28df8	94	//--------------------------------------------------------
botdream	0:3abfd4f28df8	95	#ifdef internaldebug
botdream	0:3abfd4f28df8	96	printf("\r\nSetting up Ethernet interface!\r\n");
botdream	0:3abfd4f28df8	97	#endif
botdream	0:3abfd4f28df8	98	// Create return object for error check
botdream	0:3abfd4f28df8	99	EthernetErr ethErr = eth.setup();
botdream	0:3abfd4f28df8	100	if(ethErr)
botdream	0:3abfd4f28df8	101	{
botdream	0:3abfd4f28df8	102	#ifdef internaldebug
botdream	0:3abfd4f28df8	103	printf("\r\nError %d in Ethernet setup.\r\n", ethErr);
botdream	0:3abfd4f28df8	104	#endif
botdream	0:3abfd4f28df8	105	return -1;
botdream	0:3abfd4f28df8	106	}
botdream	0:3abfd4f28df8	107	#ifdef internaldebug
botdream	0:3abfd4f28df8	108	printf("\r\nEthernet setup completed with success!\r\n");
botdream	0:3abfd4f28df8	109	#endif
botdream	0:3abfd4f28df8	110	//--------------------------------------------------------
botdream	0:3abfd4f28df8	111
botdream	0:3abfd4f28df8	112	//--------------------------------------------------------
botdream	0:3abfd4f28df8	113	// adding RPC functions
botdream	0:3abfd4f28df8	114	//--------------------------------------------------------
botdream	0:3abfd4f28df8	115	RPCFunction RPCdemocmd(&rpc_democmd, "democmd");
botdream	0:3abfd4f28df8	116	//--------------------------------------------------------
botdream	0:3abfd4f28df8	117
botdream	0:3abfd4f28df8	118	//--------------------------------------------------------
botdream	0:3abfd4f28df8	119	// adding Handlers
botdream	0:3abfd4f28df8	120	//--------------------------------------------------------
botdream	0:3abfd4f28df8	121	FSHandler::mount("/webfs", "/"); //Mount /webfs path on web root path
botdream	0:3abfd4f28df8	122
botdream	0:3abfd4f28df8	123	httpserver.addHandler<RPCHandler>("/rpc");
botdream	0:3abfd4f28df8	124	httpserver.addHandler<FSHandler>("/"); //Default handler
botdream	0:3abfd4f28df8	125	//--------------------------------------------------------
botdream	0:3abfd4f28df8	126
botdream	0:3abfd4f28df8	127	//--------------------------------------------------------
botdream	0:3abfd4f28df8	128	// bind http server to port 80 (Listen)
botdream	0:3abfd4f28df8	129	//--------------------------------------------------------
botdream	0:3abfd4f28df8	130	httpserver.bind(80);
botdream	0:3abfd4f28df8	131	#ifdef internaldebug
botdream	0:3abfd4f28df8	132	printf("Listening on port 80!\r\n");
botdream	0:3abfd4f28df8	133	#endif
botdream	0:3abfd4f28df8	134	//--------------------------------------------------------
botdream	0:3abfd4f28df8	135
botdream	0:3abfd4f28df8	136	//--------------------------------------------------------
botdream	0:3abfd4f28df8	137	// ISR -> attach timer interrupt to update Net::Pool();
botdream	0:3abfd4f28df8	138	//--------------------------------------------------------
botdream	0:3abfd4f28df8	139	netpool.attach(&netpoolupdate, 0.1);
botdream	0:3abfd4f28df8	140	//--------------------------------------------------------
botdream	0:3abfd4f28df8	141
botdream	0:3abfd4f28df8	142	//--------------------------------------------------------
botdream	0:3abfd4f28df8	143	// main loop
botdream	0:3abfd4f28df8	144	//--------------------------------------------------------
botdream	0:3abfd4f28df8	145	while(1)
botdream	0:3abfd4f28df8	146	{
botdream	0:3abfd4f28df8	147	myled = 1;
botdream	0:3abfd4f28df8	148	wait(0.5);
botdream	0:3abfd4f28df8	149	myled = 0;
botdream	0:3abfd4f28df8	150	wait(0.5);
botdream	0:3abfd4f28df8	151	}
botdream	0:3abfd4f28df8	152	}
botdream	0:3abfd4f28df8	153	//---------------------------------------------------------------------------------------------

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Type:	Program
Created:	27 Oct 2011
Imports:	10
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	4
Followers:	2

main.cpp@0:3abfd4f28df8, 2011-10-27 (annotated)

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