diff options
Diffstat (limited to 'pywrap/server.py')
| -rw-r--r-- | pywrap/server.py | 539 |
1 files changed, 0 insertions, 539 deletions
diff --git a/pywrap/server.py b/pywrap/server.py deleted file mode 100644 index b59ae55..0000000 --- a/pywrap/server.py +++ /dev/null @@ -1,539 +0,0 @@ -import time -import os -import pcipywrap -import json -import sys -from optparse import OptionParser - -from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler -from SocketServer import ThreadingMixIn -import threading - -pcilib = None - -class MultiThreadedHTTPServer(ThreadingMixIn, HTTPServer): - pass - -class PcilibServerHandler(BaseHTTPRequestHandler): - locks = list() - lock_global = 0 - - #def __init__(s, pcilib, *args): - # s.pcilib = pcilib - # BaseHTTPRequestHandler.__init__(s, *args) - - def do_HEAD(s): - s.send_response(200) - s.send_header('content-type', 'application/json') - s.end_headers() - - def do_GET(s): - length = int(s.headers['Content-Length']) - - #deserialize input data - data = json.loads(s.rfile.read(length).decode('utf-8')) - - if 'command' in data: - command = data['command'] - if(command == 'help'): - s.help(data) - - - - #elif(command == 'open'): - # #check required arguments - # if not 'device' in data: - # s.error('message doesnt contains "device" field, ' - # 'which is required for "open" command', data) - # return - # #parse command arguments and convert them to string - # device = str(data.get('device', None)) - # model = data.get('model', None) - # if not model is None: - # model = str(model) - # - # try: - # s.openPcilibInstance(device, model) - # except Exception as e: - # s.error(str(e), data) - # return - # - # #Success! Create and send reply - # out = dict() - # out['status'] = 'ok' - # s.wrapMessageAndSend(out, data) - - - - elif(command == 'get_registers_list'): - #parse command arguments and convert them to string - bank = data.get('bank', None) - if not bank is None: - bank = str(bank) - - registers = dict() - try: - registers = pcilib.get_registers_list(bank) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - out = dict() - out['status'] = 'ok' - out['registers'] = registers - s.wrapMessageAndSend(out, data) - - - - elif(command == 'get_register_info'): - #check required arguments - if not 'reg' in data: - s.error('message doesnt contains "reg" field, ' - 'which is required for "get_register_info" command', data) - return - - #parse command arguments and convert them to string - reg = str(data.get('reg', None)) - bank = data.get('bank', None) - if not bank is None: - bank = str(bank) - - register = dict() - try: - register = pcilib.get_register_info(reg, bank) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - s.wrapMessageAndSend({'status': 'ok', 'register': register}, data) - - - - elif(command == 'get_property_list'): - #parse command arguments and convert them to string - branch = data.get('branch', None) - if not branch is None: - branch = str(branch) - - properties = dict() - try: - properties = pcilib.get_property_list(branch) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - out = dict() - out['status'] = 'ok' - out['properties'] = properties - s.wrapMessageAndSend(out, data) - - - - elif(command == 'read_register'): - #check required arguments - if not 'reg' in data: - s.error('message doesnt contains "reg" field, ' - 'which is required for "read_register" command', data) - return - - #parse command arguments and convert them to string - reg = str(data.get('reg', None)) - bank = data.get('bank', None) - if not bank is None: - bank = str(bank) - - value = 0 - try: - value = pcilib.read_register(reg, bank) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - out = dict() - out['status'] = 'ok' - out['value'] = value - s.wrapMessageAndSend(out, data) - - - - elif(command == 'write_register'): - #check required arguments - if not 'reg' in data: - s.error('message doesnt contains "reg" field, ' - 'which is required for "write_register" command', data) - return - - if not 'value' in data: - s.error('message doesnt contains "value" field, ' - 'which is required for "write_register" command', data) - return - - #parse command arguments and convert them to string - reg = str(data.get('reg', None)) - value = str(data.get('value', None)) - bank = data.get('bank', None) - if not bank is None: - bank = str(bank) - - try: - pcilib.write_register(value, reg, bank) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - s.wrapMessageAndSend({'status': 'ok'}, data) - - - - elif(command == 'get_property'): - #check required arguments - if not 'prop' in data: - s.error('message doesnt contains "prop" field, ' - 'which is required for "get_property" command', data) - return - - #parse command arguments and convert them to string - prop = str(data.get('prop', None)) - - value = 0 - try: - value = pcilib.get_property(prop) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - out = dict() - out['status'] = 'ok' - out['value'] = value - s.wrapMessageAndSend(out, data) - - - - elif(command == 'set_property'): - #check required arguments - if not 'prop' in data: - s.error('message doesnt contains "prop" field, ' - 'which is required for "set_property" command', data) - return - - if not 'value' in data: - s.error('message doesnt contains "value" field, ' - 'which is required for "set_property" command', data) - return - - #parse command arguments and convert them to string - prop = str(data.get('prop', None)) - value = str(data.get('value', None)) - - try: - pcilib.set_property(value, prop) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - s.wrapMessageAndSend({'status': 'ok'}, data) - - - - elif(command == 'lock'): - #check required arguments - if not 'lock_id' in data: - s.error('message doesnt contains "lock_id" field, ' - 'which is required for "lock" command', data) - return - - #parse command arguments and convert them to string - lock_id = str(data.get('lock_id')) - - #check if lock already setted - #if lock_id in PcilibServerHandler.locks: - # s.error('Lock with id: ' + lock_id + - # 'already setted by this server', - # data) - # return - - try: - pcilib.lock(lock_id) - except Exception as e: - s.error(str(e), data) - return - - PcilibServerHandler.locks.append(lock_id) - - #Success! Create and send reply - s.wrapMessageAndSend({'status': 'ok'}, data) - - - - elif(command == 'try_lock'): - #check required arguments - if not 'lock_id' in data: - s.error('message doesnt contains "lock_id" field, ' - 'which is required for "try_lock" command', data) - return - - #parse command arguments and convert them to string - lock_id = str(data.get('lock_id')) - - try: - pcilib.try_lock(lock_id) - except Exception as e: - s.error(str(e), data) - return - - #Success! Create and send reply - s.wrapMessageAndSend({'status': 'ok'}, data) - - - - elif(command == 'unlock'): - #check required arguments - #if not 'lock_id' in data: - # s.error('message doesnt contains "lock_id" field, ' - # 'which is required for "unlock" command', data) - # return - - #parse command arguments and convert them to string - #lock_id = str(data.get('lock_id')) - - #try: - # pcilib.unlock(lock_id) - #except Exception as e: - # s.error(str(e), data) - # return - # - #remove lock from locks list - #if lock_id in PcilibServerHandler.locks: - # PcilibServerHandler.locks.remove(lock_id) - time.sleep(20) - #Success! Create and send reply - s.wrapMessageAndSend({'status': 'ok'}, data) - - - - #elif(command == 'lock_global'): - # #check if global_lock already setted by server - # print 'aaa' - # if PcilibServerHandler.lock_global: - # - # s.error('global lock already setted by this server', data) - # return - # - # try: - # pcilib.lock_global() - # except Exception as e: - # s.error(str(e), data) - # return - # - # PcilibServerHandler.lock_global = 1 - # - # #Success! Create and send reply - # s.wrapMessageAndSend({'status': 'ok'}, data) - - - - #elif(command == 'unlock_global'): - # try: - # pcilib.unlock_global() - # except Exception as e: - # s.error(str(e), data) - # return - # - # PcilibServerHandler.lock_global = 0 - # - # #Success! Create and send reply - # s.wrapMessageAndSend({'status': 'ok'}, data) - - - - else: - s.error('command "' + command + '" undefined', data) - return - else: - s.error('message doesnt contains "command" field, which is required', data) - return - - - #print str(s.headers['content-type']) - #print post_data['some'] - - #"""open device context """ - #def openPcilibInstance(s, device, model): - # pcilib = pcipywrap.create_pcilib_instance(device, model) - - """Send help message""" - def help(s, received_message = None): - usage = str('Usage:\n' - ' Server receive commands via http GET with json packet.\n' - ' content-type should have value "application/json"\n' - ' Server could handle only commands. to set command, you\n' - ' should specify field "command" in packet with command name\n' - ' List of commands:\n' - '\n' - ' command: help - Get help. This will return usage\n' - '\n' - - ' command: open - Opens context of device. It will be reopened if already open.\n' - ' required fields\n' - ' device: - path to the device file [/dev/fpga0]\n' - ' optional fields\n' - ' model: - specifies the model of hardware, autodetected if doesnt exists\n' - '\n' - - ' command: get_registers_list - Returns the list of registers provided by the hardware model.\n' - ' optional fields\n' - ' bank: - if set, only register within the specified bank will be returned\n' - '\n' - - ' command: get_register_info - Returns the information about the specified register.\n' - ' required fields\n' - ' reg: - the name of the register\n' - ' optional fields\n' - ' bank: - if set, only register within the specified bank will be returned\n' - '\n' - - ' command: get_property_list - Returns the list of properties available under the specified path.\n' - ' optional fields\n' - ' branch: - Path. If not set, will return the top-level properties\n' - '\n' - - ' command: read_register - Reads the specified register.\n' - ' required fields\n' - ' reg: - the name of the register\n' - ' optional fields\n' - ' bank: - if set, only register within the specified bank will be processed\n' - '\n' - - ' command: write_register - Writes to specified register.\n' - ' required fields\n' - ' reg: - the name of the register\n' - ' value: - the register value to write. Should be int, float or string (with number)\n' - ' optional fields\n' - ' bank: - if set, only register within the specified bank will be processed\n' - '\n' - - ' command: get_property - Reads / computes the property value.\n' - ' required fields\n' - ' prop: - full name including path\n' - '\n' - - ' command: set_property - Writes the property value or executes the code associated with property.\n' - ' required fields\n' - ' prop: - full name including path\n' - ' value: - the property value to write. Should be int, float or string (with number)\n' - '\n' - - ' command: lock - function to acquire a lock, and wait till the lock can be acquire.\n' - ' required fields\n' - ' lock_id: - lock id\n' - '\n' - - ' command: try_lock - this function will try to take a lock for the mutex pointed by \n' - ' lockfunction to acquire a lock, but that returns immediatly if the\n' - ' lock can\'t be acquired on first try\n' - ' lock_id: - lock id\n' - '\n' - - ' command: unlock - this function unlocks the lock.\n' - ' required fields\n' - ' lock_id: - lock id\n' - '\n' - - '\n') - out = {'status': 'ok', 'usage' : usage} - s.wrapMessageAndSend(out, received_message) - - """Send error message with text description""" - def error(s, info, received_message = None): - out = dict() - - out['status'] = 'error' - out['description'] = info - out['note'] = 'send {"command" : "help"} to get help' - s.wrapMessageAndSend(out, received_message, 400) - - def wrapMessageAndSend(s, message, received_message = None, response = 200): - s.send_response(response) - s.send_header('content-type', 'application/json') - s.end_headers() - if not received_message is None: - message['received_message'] = received_message - message['thread'] = threading.currentThread().getName() - s.wfile.write(json.dumps(message)) - -if __name__ == '__main__': - - #parce command line options - parser = OptionParser() - parser.add_option("-p", "--port", action="store", - type="int", dest="port", default=9000, - help="Set server port (9000)") - parser.add_option("-d", "--device", action="store", - type="string", dest="device", default=str('/dev/fpga0'), - help="FPGA device (/dev/fpga0)") - parser.add_option("-m", "--model", action="store", - type="string", dest="model", default=None, - help="Memory model (autodetected)") - opts = parser.parse_args()[0] - - HOST_NAME = '' - PORT_NUMBER = opts.port - MODEL = opts.model - DEVICE = opts.device - - - - #Set enviroment variables, if it not setted already - if not 'APP_PATH' in os.environ: - APP_PATH = '' - file_dir = os.path.dirname(os.path.abspath(__file__)) - APP_PATH = str(os.path.abspath(file_dir + '/../..')) - os.environ["APP_PATH"] = APP_PATH - - if not 'PCILIB_MODEL_DIR' in os.environ: - os.environ['PCILIB_MODEL_DIR'] = os.environ["APP_PATH"] + "/xml" - - if not 'LD_LIBRARY_PATH' in os.environ: - os.environ['LD_LIBRARY_PATH'] = os.environ["APP_PATH"] + "/pcilib" - - - - #redirect logs to exeption - pcipywrap.__redirect_logs_to_exeption() - - #pass Pcipywrap to to server handler - global pcilib - pcilib = pcipywrap.Pcipywrap(DEVICE, MODEL) - #def handler(*args): - # PcilibServerHandler(lib, *args) - - #start server - httpd = MultiThreadedHTTPServer((HOST_NAME, PORT_NUMBER), PcilibServerHandler) - - print time.asctime(), "Server Starts - %s:%s" % (HOST_NAME, PORT_NUMBER) - try: - httpd.serve_forever() - except KeyboardInterrupt: - #unlocking global lock - if PcilibServerHandler.lock_global: - lib.unlock_global() - PcilibServerHandler.lock_global = False - - #delete created locks - for lock in PcilibServerHandler.locks: - lib.unlock(lock) - del PcilibServerHandler.locks[:] - pass - - - - - httpd.server_close() - print time.asctime(), "Server Stops - %s:%s" % (HOST_NAME, PORT_NUMBER) |