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Posted to commits@airavata.apache.org by sm...@apache.org on 2015/03/24 12:38:29 UTC
[2/3] airavata git commit: Adding basic sample to test Airavata
Server Connection - AIRAVATA-1643
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/protocol/fastbinary.c
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/protocol/fastbinary.c b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/protocol/fastbinary.c
new file mode 100644
index 0000000..2ce5660
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/protocol/fastbinary.c
@@ -0,0 +1,1219 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <Python.h>
+#include "cStringIO.h"
+#include <stdint.h>
+#ifndef _WIN32
+# include <stdbool.h>
+# include <netinet/in.h>
+#else
+# include <WinSock2.h>
+# pragma comment (lib, "ws2_32.lib")
+# define BIG_ENDIAN (4321)
+# define LITTLE_ENDIAN (1234)
+# define BYTE_ORDER LITTLE_ENDIAN
+# if defined(_MSC_VER) && _MSC_VER < 1600
+ typedef int _Bool;
+# define bool _Bool
+# define false 0
+# define true 1
+# endif
+# define inline __inline
+#endif
+
+/* Fix endianness issues on Solaris */
+#if defined (__SVR4) && defined (__sun)
+ #if defined(__i386) && !defined(__i386__)
+ #define __i386__
+ #endif
+
+ #ifndef BIG_ENDIAN
+ #define BIG_ENDIAN (4321)
+ #endif
+ #ifndef LITTLE_ENDIAN
+ #define LITTLE_ENDIAN (1234)
+ #endif
+
+ /* I386 is LE, even on Solaris */
+ #if !defined(BYTE_ORDER) && defined(__i386__)
+ #define BYTE_ORDER LITTLE_ENDIAN
+ #endif
+#endif
+
+// TODO(dreiss): defval appears to be unused. Look into removing it.
+// TODO(dreiss): Make parse_spec_args recursive, and cache the output
+// permanently in the object. (Malloc and orphan.)
+// TODO(dreiss): Why do we need cStringIO for reading, why not just char*?
+// Can cStringIO let us work with a BufferedTransport?
+// TODO(dreiss): Don't ignore the rv from cwrite (maybe).
+
+/* ====== BEGIN UTILITIES ====== */
+
+#define INIT_OUTBUF_SIZE 128
+
+// Stolen out of TProtocol.h.
+// It would be a huge pain to have both get this from one place.
+typedef enum TType {
+ T_STOP = 0,
+ T_VOID = 1,
+ T_BOOL = 2,
+ T_BYTE = 3,
+ T_I08 = 3,
+ T_I16 = 6,
+ T_I32 = 8,
+ T_U64 = 9,
+ T_I64 = 10,
+ T_DOUBLE = 4,
+ T_STRING = 11,
+ T_UTF7 = 11,
+ T_STRUCT = 12,
+ T_MAP = 13,
+ T_SET = 14,
+ T_LIST = 15,
+ T_UTF8 = 16,
+ T_UTF16 = 17
+} TType;
+
+#ifndef __BYTE_ORDER
+# if defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
+# define __BYTE_ORDER BYTE_ORDER
+# define __LITTLE_ENDIAN LITTLE_ENDIAN
+# define __BIG_ENDIAN BIG_ENDIAN
+# else
+# error "Cannot determine endianness"
+# endif
+#endif
+
+// Same comment as the enum. Sorry.
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define ntohll(n) (n)
+# define htonll(n) (n)
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+# if defined(__GNUC__) && defined(__GLIBC__)
+# include <byteswap.h>
+# define ntohll(n) bswap_64(n)
+# define htonll(n) bswap_64(n)
+# else /* GNUC & GLIBC */
+# define ntohll(n) ( (((unsigned long long)ntohl(n)) << 32) + ntohl(n >> 32) )
+# define htonll(n) ( (((unsigned long long)htonl(n)) << 32) + htonl(n >> 32) )
+# endif /* GNUC & GLIBC */
+#else /* __BYTE_ORDER */
+# error "Can't define htonll or ntohll!"
+#endif
+
+// Doing a benchmark shows that interning actually makes a difference, amazingly.
+#define INTERN_STRING(value) _intern_ ## value
+
+#define INT_CONV_ERROR_OCCURRED(v) ( ((v) == -1) && PyErr_Occurred() )
+#define CHECK_RANGE(v, min, max) ( ((v) <= (max)) && ((v) >= (min)) )
+
+// Py_ssize_t was not defined before Python 2.5
+#if (PY_VERSION_HEX < 0x02050000)
+typedef int Py_ssize_t;
+#endif
+
+/**
+ * A cache of the spec_args for a set or list,
+ * so we don't have to keep calling PyTuple_GET_ITEM.
+ */
+typedef struct {
+ TType element_type;
+ PyObject* typeargs;
+} SetListTypeArgs;
+
+/**
+ * A cache of the spec_args for a map,
+ * so we don't have to keep calling PyTuple_GET_ITEM.
+ */
+typedef struct {
+ TType ktag;
+ TType vtag;
+ PyObject* ktypeargs;
+ PyObject* vtypeargs;
+} MapTypeArgs;
+
+/**
+ * A cache of the spec_args for a struct,
+ * so we don't have to keep calling PyTuple_GET_ITEM.
+ */
+typedef struct {
+ PyObject* klass;
+ PyObject* spec;
+} StructTypeArgs;
+
+/**
+ * A cache of the item spec from a struct specification,
+ * so we don't have to keep calling PyTuple_GET_ITEM.
+ */
+typedef struct {
+ int tag;
+ TType type;
+ PyObject* attrname;
+ PyObject* typeargs;
+ PyObject* defval;
+} StructItemSpec;
+
+/**
+ * A cache of the two key attributes of a CReadableTransport,
+ * so we don't have to keep calling PyObject_GetAttr.
+ */
+typedef struct {
+ PyObject* stringiobuf;
+ PyObject* refill_callable;
+} DecodeBuffer;
+
+/** Pointer to interned string to speed up attribute lookup. */
+static PyObject* INTERN_STRING(cstringio_buf);
+/** Pointer to interned string to speed up attribute lookup. */
+static PyObject* INTERN_STRING(cstringio_refill);
+
+static inline bool
+check_ssize_t_32(Py_ssize_t len) {
+ // error from getting the int
+ if (INT_CONV_ERROR_OCCURRED(len)) {
+ return false;
+ }
+ if (!CHECK_RANGE(len, 0, INT32_MAX)) {
+ PyErr_SetString(PyExc_OverflowError, "string size out of range");
+ return false;
+ }
+ return true;
+}
+
+static inline bool
+parse_pyint(PyObject* o, int32_t* ret, int32_t min, int32_t max) {
+ long val = PyInt_AsLong(o);
+
+ if (INT_CONV_ERROR_OCCURRED(val)) {
+ return false;
+ }
+ if (!CHECK_RANGE(val, min, max)) {
+ PyErr_SetString(PyExc_OverflowError, "int out of range");
+ return false;
+ }
+
+ *ret = (int32_t) val;
+ return true;
+}
+
+
+/* --- FUNCTIONS TO PARSE STRUCT SPECIFICATOINS --- */
+
+static bool
+parse_set_list_args(SetListTypeArgs* dest, PyObject* typeargs) {
+ if (PyTuple_Size(typeargs) != 2) {
+ PyErr_SetString(PyExc_TypeError, "expecting tuple of size 2 for list/set type args");
+ return false;
+ }
+
+ dest->element_type = PyInt_AsLong(PyTuple_GET_ITEM(typeargs, 0));
+ if (INT_CONV_ERROR_OCCURRED(dest->element_type)) {
+ return false;
+ }
+
+ dest->typeargs = PyTuple_GET_ITEM(typeargs, 1);
+
+ return true;
+}
+
+static bool
+parse_map_args(MapTypeArgs* dest, PyObject* typeargs) {
+ if (PyTuple_Size(typeargs) != 4) {
+ PyErr_SetString(PyExc_TypeError, "expecting 4 arguments for typeargs to map");
+ return false;
+ }
+
+ dest->ktag = PyInt_AsLong(PyTuple_GET_ITEM(typeargs, 0));
+ if (INT_CONV_ERROR_OCCURRED(dest->ktag)) {
+ return false;
+ }
+
+ dest->vtag = PyInt_AsLong(PyTuple_GET_ITEM(typeargs, 2));
+ if (INT_CONV_ERROR_OCCURRED(dest->vtag)) {
+ return false;
+ }
+
+ dest->ktypeargs = PyTuple_GET_ITEM(typeargs, 1);
+ dest->vtypeargs = PyTuple_GET_ITEM(typeargs, 3);
+
+ return true;
+}
+
+static bool
+parse_struct_args(StructTypeArgs* dest, PyObject* typeargs) {
+ if (PyTuple_Size(typeargs) != 2) {
+ PyErr_SetString(PyExc_TypeError, "expecting tuple of size 2 for struct args");
+ return false;
+ }
+
+ dest->klass = PyTuple_GET_ITEM(typeargs, 0);
+ dest->spec = PyTuple_GET_ITEM(typeargs, 1);
+
+ return true;
+}
+
+static int
+parse_struct_item_spec(StructItemSpec* dest, PyObject* spec_tuple) {
+
+ // i'd like to use ParseArgs here, but it seems to be a bottleneck.
+ if (PyTuple_Size(spec_tuple) != 5) {
+ PyErr_SetString(PyExc_TypeError, "expecting 5 arguments for spec tuple");
+ return false;
+ }
+
+ dest->tag = PyInt_AsLong(PyTuple_GET_ITEM(spec_tuple, 0));
+ if (INT_CONV_ERROR_OCCURRED(dest->tag)) {
+ return false;
+ }
+
+ dest->type = PyInt_AsLong(PyTuple_GET_ITEM(spec_tuple, 1));
+ if (INT_CONV_ERROR_OCCURRED(dest->type)) {
+ return false;
+ }
+
+ dest->attrname = PyTuple_GET_ITEM(spec_tuple, 2);
+ dest->typeargs = PyTuple_GET_ITEM(spec_tuple, 3);
+ dest->defval = PyTuple_GET_ITEM(spec_tuple, 4);
+ return true;
+}
+
+/* ====== END UTILITIES ====== */
+
+
+/* ====== BEGIN WRITING FUNCTIONS ====== */
+
+/* --- LOW-LEVEL WRITING FUNCTIONS --- */
+
+static void writeByte(PyObject* outbuf, int8_t val) {
+ int8_t net = val;
+ PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int8_t));
+}
+
+static void writeI16(PyObject* outbuf, int16_t val) {
+ int16_t net = (int16_t)htons(val);
+ PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int16_t));
+}
+
+static void writeI32(PyObject* outbuf, int32_t val) {
+ int32_t net = (int32_t)htonl(val);
+ PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int32_t));
+}
+
+static void writeI64(PyObject* outbuf, int64_t val) {
+ int64_t net = (int64_t)htonll(val);
+ PycStringIO->cwrite(outbuf, (char*)&net, sizeof(int64_t));
+}
+
+static void writeDouble(PyObject* outbuf, double dub) {
+ // Unfortunately, bitwise_cast doesn't work in C. Bad C!
+ union {
+ double f;
+ int64_t t;
+ } transfer;
+ transfer.f = dub;
+ writeI64(outbuf, transfer.t);
+}
+
+
+/* --- MAIN RECURSIVE OUTPUT FUCNTION -- */
+
+static int
+output_val(PyObject* output, PyObject* value, TType type, PyObject* typeargs) {
+ /*
+ * Refcounting Strategy:
+ *
+ * We assume that elements of the thrift_spec tuple are not going to be
+ * mutated, so we don't ref count those at all. Other than that, we try to
+ * keep a reference to all the user-created objects while we work with them.
+ * output_val assumes that a reference is already held. The *caller* is
+ * responsible for handling references
+ */
+
+ switch (type) {
+
+ case T_BOOL: {
+ int v = PyObject_IsTrue(value);
+ if (v == -1) {
+ return false;
+ }
+
+ writeByte(output, (int8_t) v);
+ break;
+ }
+ case T_I08: {
+ int32_t val;
+
+ if (!parse_pyint(value, &val, INT8_MIN, INT8_MAX)) {
+ return false;
+ }
+
+ writeByte(output, (int8_t) val);
+ break;
+ }
+ case T_I16: {
+ int32_t val;
+
+ if (!parse_pyint(value, &val, INT16_MIN, INT16_MAX)) {
+ return false;
+ }
+
+ writeI16(output, (int16_t) val);
+ break;
+ }
+ case T_I32: {
+ int32_t val;
+
+ if (!parse_pyint(value, &val, INT32_MIN, INT32_MAX)) {
+ return false;
+ }
+
+ writeI32(output, val);
+ break;
+ }
+ case T_I64: {
+ int64_t nval = PyLong_AsLongLong(value);
+
+ if (INT_CONV_ERROR_OCCURRED(nval)) {
+ return false;
+ }
+
+ if (!CHECK_RANGE(nval, INT64_MIN, INT64_MAX)) {
+ PyErr_SetString(PyExc_OverflowError, "int out of range");
+ return false;
+ }
+
+ writeI64(output, nval);
+ break;
+ }
+
+ case T_DOUBLE: {
+ double nval = PyFloat_AsDouble(value);
+ if (nval == -1.0 && PyErr_Occurred()) {
+ return false;
+ }
+
+ writeDouble(output, nval);
+ break;
+ }
+
+ case T_STRING: {
+ Py_ssize_t len = PyString_Size(value);
+
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+
+ writeI32(output, (int32_t) len);
+ PycStringIO->cwrite(output, PyString_AsString(value), (int32_t) len);
+ break;
+ }
+
+ case T_LIST:
+ case T_SET: {
+ Py_ssize_t len;
+ SetListTypeArgs parsedargs;
+ PyObject *item;
+ PyObject *iterator;
+
+ if (!parse_set_list_args(&parsedargs, typeargs)) {
+ return false;
+ }
+
+ len = PyObject_Length(value);
+
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+
+ writeByte(output, parsedargs.element_type);
+ writeI32(output, (int32_t) len);
+
+ iterator = PyObject_GetIter(value);
+ if (iterator == NULL) {
+ return false;
+ }
+
+ while ((item = PyIter_Next(iterator))) {
+ if (!output_val(output, item, parsedargs.element_type, parsedargs.typeargs)) {
+ Py_DECREF(item);
+ Py_DECREF(iterator);
+ return false;
+ }
+ Py_DECREF(item);
+ }
+
+ Py_DECREF(iterator);
+
+ if (PyErr_Occurred()) {
+ return false;
+ }
+
+ break;
+ }
+
+ case T_MAP: {
+ PyObject *k, *v;
+ Py_ssize_t pos = 0;
+ Py_ssize_t len;
+
+ MapTypeArgs parsedargs;
+
+ len = PyDict_Size(value);
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+
+ if (!parse_map_args(&parsedargs, typeargs)) {
+ return false;
+ }
+
+ writeByte(output, parsedargs.ktag);
+ writeByte(output, parsedargs.vtag);
+ writeI32(output, len);
+
+ // TODO(bmaurer): should support any mapping, not just dicts
+ while (PyDict_Next(value, &pos, &k, &v)) {
+ // TODO(dreiss): Think hard about whether these INCREFs actually
+ // turn any unsafe scenarios into safe scenarios.
+ Py_INCREF(k);
+ Py_INCREF(v);
+
+ if (!output_val(output, k, parsedargs.ktag, parsedargs.ktypeargs)
+ || !output_val(output, v, parsedargs.vtag, parsedargs.vtypeargs)) {
+ Py_DECREF(k);
+ Py_DECREF(v);
+ return false;
+ }
+ Py_DECREF(k);
+ Py_DECREF(v);
+ }
+ break;
+ }
+
+ // TODO(dreiss): Consider breaking this out as a function
+ // the way we did for decode_struct.
+ case T_STRUCT: {
+ StructTypeArgs parsedargs;
+ Py_ssize_t nspec;
+ Py_ssize_t i;
+
+ if (!parse_struct_args(&parsedargs, typeargs)) {
+ return false;
+ }
+
+ nspec = PyTuple_Size(parsedargs.spec);
+
+ if (nspec == -1) {
+ return false;
+ }
+
+ for (i = 0; i < nspec; i++) {
+ StructItemSpec parsedspec;
+ PyObject* spec_tuple;
+ PyObject* instval = NULL;
+
+ spec_tuple = PyTuple_GET_ITEM(parsedargs.spec, i);
+ if (spec_tuple == Py_None) {
+ continue;
+ }
+
+ if (!parse_struct_item_spec (&parsedspec, spec_tuple)) {
+ return false;
+ }
+
+ instval = PyObject_GetAttr(value, parsedspec.attrname);
+
+ if (!instval) {
+ return false;
+ }
+
+ if (instval == Py_None) {
+ Py_DECREF(instval);
+ continue;
+ }
+
+ writeByte(output, (int8_t) parsedspec.type);
+ writeI16(output, parsedspec.tag);
+
+ if (!output_val(output, instval, parsedspec.type, parsedspec.typeargs)) {
+ Py_DECREF(instval);
+ return false;
+ }
+
+ Py_DECREF(instval);
+ }
+
+ writeByte(output, (int8_t)T_STOP);
+ break;
+ }
+
+ case T_STOP:
+ case T_VOID:
+ case T_UTF16:
+ case T_UTF8:
+ case T_U64:
+ default:
+ PyErr_SetString(PyExc_TypeError, "Unexpected TType");
+ return false;
+
+ }
+
+ return true;
+}
+
+
+/* --- TOP-LEVEL WRAPPER FOR OUTPUT -- */
+
+static PyObject *
+encode_binary(PyObject *self, PyObject *args) {
+ PyObject* enc_obj;
+ PyObject* type_args;
+ PyObject* buf;
+ PyObject* ret = NULL;
+
+ if (!PyArg_ParseTuple(args, "OO", &enc_obj, &type_args)) {
+ return NULL;
+ }
+
+ buf = PycStringIO->NewOutput(INIT_OUTBUF_SIZE);
+ if (output_val(buf, enc_obj, T_STRUCT, type_args)) {
+ ret = PycStringIO->cgetvalue(buf);
+ }
+
+ Py_DECREF(buf);
+ return ret;
+}
+
+/* ====== END WRITING FUNCTIONS ====== */
+
+
+/* ====== BEGIN READING FUNCTIONS ====== */
+
+/* --- LOW-LEVEL READING FUNCTIONS --- */
+
+static void
+free_decodebuf(DecodeBuffer* d) {
+ Py_XDECREF(d->stringiobuf);
+ Py_XDECREF(d->refill_callable);
+}
+
+static bool
+decode_buffer_from_obj(DecodeBuffer* dest, PyObject* obj) {
+ dest->stringiobuf = PyObject_GetAttr(obj, INTERN_STRING(cstringio_buf));
+ if (!dest->stringiobuf) {
+ return false;
+ }
+
+ if (!PycStringIO_InputCheck(dest->stringiobuf)) {
+ free_decodebuf(dest);
+ PyErr_SetString(PyExc_TypeError, "expecting stringio input");
+ return false;
+ }
+
+ dest->refill_callable = PyObject_GetAttr(obj, INTERN_STRING(cstringio_refill));
+
+ if(!dest->refill_callable) {
+ free_decodebuf(dest);
+ return false;
+ }
+
+ if (!PyCallable_Check(dest->refill_callable)) {
+ free_decodebuf(dest);
+ PyErr_SetString(PyExc_TypeError, "expecting callable");
+ return false;
+ }
+
+ return true;
+}
+
+static bool readBytes(DecodeBuffer* input, char** output, int len) {
+ int read;
+
+ // TODO(dreiss): Don't fear the malloc. Think about taking a copy of
+ // the partial read instead of forcing the transport
+ // to prepend it to its buffer.
+
+ read = PycStringIO->cread(input->stringiobuf, output, len);
+
+ if (read == len) {
+ return true;
+ } else if (read == -1) {
+ return false;
+ } else {
+ PyObject* newiobuf;
+
+ // using building functions as this is a rare codepath
+ newiobuf = PyObject_CallFunction(
+ input->refill_callable, "s#i", *output, read, len, NULL);
+ if (newiobuf == NULL) {
+ return false;
+ }
+
+ // must do this *AFTER* the call so that we don't deref the io buffer
+ Py_CLEAR(input->stringiobuf);
+ input->stringiobuf = newiobuf;
+
+ read = PycStringIO->cread(input->stringiobuf, output, len);
+
+ if (read == len) {
+ return true;
+ } else if (read == -1) {
+ return false;
+ } else {
+ // TODO(dreiss): This could be a valid code path for big binary blobs.
+ PyErr_SetString(PyExc_TypeError,
+ "refill claimed to have refilled the buffer, but didn't!!");
+ return false;
+ }
+ }
+}
+
+static int8_t readByte(DecodeBuffer* input) {
+ char* buf;
+ if (!readBytes(input, &buf, sizeof(int8_t))) {
+ return -1;
+ }
+
+ return *(int8_t*) buf;
+}
+
+static int16_t readI16(DecodeBuffer* input) {
+ char* buf;
+ if (!readBytes(input, &buf, sizeof(int16_t))) {
+ return -1;
+ }
+
+ return (int16_t) ntohs(*(int16_t*) buf);
+}
+
+static int32_t readI32(DecodeBuffer* input) {
+ char* buf;
+ if (!readBytes(input, &buf, sizeof(int32_t))) {
+ return -1;
+ }
+ return (int32_t) ntohl(*(int32_t*) buf);
+}
+
+
+static int64_t readI64(DecodeBuffer* input) {
+ char* buf;
+ if (!readBytes(input, &buf, sizeof(int64_t))) {
+ return -1;
+ }
+
+ return (int64_t) ntohll(*(int64_t*) buf);
+}
+
+static double readDouble(DecodeBuffer* input) {
+ union {
+ int64_t f;
+ double t;
+ } transfer;
+
+ transfer.f = readI64(input);
+ if (transfer.f == -1) {
+ return -1;
+ }
+ return transfer.t;
+}
+
+static bool
+checkTypeByte(DecodeBuffer* input, TType expected) {
+ TType got = readByte(input);
+ if (INT_CONV_ERROR_OCCURRED(got)) {
+ return false;
+ }
+
+ if (expected != got) {
+ PyErr_SetString(PyExc_TypeError, "got wrong ttype while reading field");
+ return false;
+ }
+ return true;
+}
+
+static bool
+skip(DecodeBuffer* input, TType type) {
+#define SKIPBYTES(n) \
+ do { \
+ if (!readBytes(input, &dummy_buf, (n))) { \
+ return false; \
+ } \
+ } while(0)
+
+ char* dummy_buf;
+
+ switch (type) {
+
+ case T_BOOL:
+ case T_I08: SKIPBYTES(1); break;
+ case T_I16: SKIPBYTES(2); break;
+ case T_I32: SKIPBYTES(4); break;
+ case T_I64:
+ case T_DOUBLE: SKIPBYTES(8); break;
+
+ case T_STRING: {
+ // TODO(dreiss): Find out if these check_ssize_t32s are really necessary.
+ int len = readI32(input);
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+ SKIPBYTES(len);
+ break;
+ }
+
+ case T_LIST:
+ case T_SET: {
+ TType etype;
+ int len, i;
+
+ etype = readByte(input);
+ if (etype == -1) {
+ return false;
+ }
+
+ len = readI32(input);
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (!skip(input, etype)) {
+ return false;
+ }
+ }
+ break;
+ }
+
+ case T_MAP: {
+ TType ktype, vtype;
+ int len, i;
+
+ ktype = readByte(input);
+ if (ktype == -1) {
+ return false;
+ }
+
+ vtype = readByte(input);
+ if (vtype == -1) {
+ return false;
+ }
+
+ len = readI32(input);
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (!(skip(input, ktype) && skip(input, vtype))) {
+ return false;
+ }
+ }
+ break;
+ }
+
+ case T_STRUCT: {
+ while (true) {
+ TType type;
+
+ type = readByte(input);
+ if (type == -1) {
+ return false;
+ }
+
+ if (type == T_STOP)
+ break;
+
+ SKIPBYTES(2); // tag
+ if (!skip(input, type)) {
+ return false;
+ }
+ }
+ break;
+ }
+
+ case T_STOP:
+ case T_VOID:
+ case T_UTF16:
+ case T_UTF8:
+ case T_U64:
+ default:
+ PyErr_SetString(PyExc_TypeError, "Unexpected TType");
+ return false;
+
+ }
+
+ return true;
+
+#undef SKIPBYTES
+}
+
+
+/* --- HELPER FUNCTION FOR DECODE_VAL --- */
+
+static PyObject*
+decode_val(DecodeBuffer* input, TType type, PyObject* typeargs);
+
+static bool
+decode_struct(DecodeBuffer* input, PyObject* output, PyObject* spec_seq) {
+ int spec_seq_len = PyTuple_Size(spec_seq);
+ if (spec_seq_len == -1) {
+ return false;
+ }
+
+ while (true) {
+ TType type;
+ int16_t tag;
+ PyObject* item_spec;
+ PyObject* fieldval = NULL;
+ StructItemSpec parsedspec;
+
+ type = readByte(input);
+ if (type == -1) {
+ return false;
+ }
+ if (type == T_STOP) {
+ break;
+ }
+ tag = readI16(input);
+ if (INT_CONV_ERROR_OCCURRED(tag)) {
+ return false;
+ }
+ if (tag >= 0 && tag < spec_seq_len) {
+ item_spec = PyTuple_GET_ITEM(spec_seq, tag);
+ } else {
+ item_spec = Py_None;
+ }
+
+ if (item_spec == Py_None) {
+ if (!skip(input, type)) {
+ return false;
+ } else {
+ continue;
+ }
+ }
+
+ if (!parse_struct_item_spec(&parsedspec, item_spec)) {
+ return false;
+ }
+ if (parsedspec.type != type) {
+ if (!skip(input, type)) {
+ PyErr_SetString(PyExc_TypeError, "struct field had wrong type while reading and can't be skipped");
+ return false;
+ } else {
+ continue;
+ }
+ }
+
+ fieldval = decode_val(input, parsedspec.type, parsedspec.typeargs);
+ if (fieldval == NULL) {
+ return false;
+ }
+
+ if (PyObject_SetAttr(output, parsedspec.attrname, fieldval) == -1) {
+ Py_DECREF(fieldval);
+ return false;
+ }
+ Py_DECREF(fieldval);
+ }
+ return true;
+}
+
+
+/* --- MAIN RECURSIVE INPUT FUCNTION --- */
+
+// Returns a new reference.
+static PyObject*
+decode_val(DecodeBuffer* input, TType type, PyObject* typeargs) {
+ switch (type) {
+
+ case T_BOOL: {
+ int8_t v = readByte(input);
+ if (INT_CONV_ERROR_OCCURRED(v)) {
+ return NULL;
+ }
+
+ switch (v) {
+ case 0: Py_RETURN_FALSE;
+ case 1: Py_RETURN_TRUE;
+ // Don't laugh. This is a potentially serious issue.
+ default: PyErr_SetString(PyExc_TypeError, "boolean out of range"); return NULL;
+ }
+ break;
+ }
+ case T_I08: {
+ int8_t v = readByte(input);
+ if (INT_CONV_ERROR_OCCURRED(v)) {
+ return NULL;
+ }
+
+ return PyInt_FromLong(v);
+ }
+ case T_I16: {
+ int16_t v = readI16(input);
+ if (INT_CONV_ERROR_OCCURRED(v)) {
+ return NULL;
+ }
+ return PyInt_FromLong(v);
+ }
+ case T_I32: {
+ int32_t v = readI32(input);
+ if (INT_CONV_ERROR_OCCURRED(v)) {
+ return NULL;
+ }
+ return PyInt_FromLong(v);
+ }
+
+ case T_I64: {
+ int64_t v = readI64(input);
+ if (INT_CONV_ERROR_OCCURRED(v)) {
+ return NULL;
+ }
+ // TODO(dreiss): Find out if we can take this fastpath always when
+ // sizeof(long) == sizeof(long long).
+ if (CHECK_RANGE(v, LONG_MIN, LONG_MAX)) {
+ return PyInt_FromLong((long) v);
+ }
+
+ return PyLong_FromLongLong(v);
+ }
+
+ case T_DOUBLE: {
+ double v = readDouble(input);
+ if (v == -1.0 && PyErr_Occurred()) {
+ return false;
+ }
+ return PyFloat_FromDouble(v);
+ }
+
+ case T_STRING: {
+ Py_ssize_t len = readI32(input);
+ char* buf;
+ if (!readBytes(input, &buf, len)) {
+ return NULL;
+ }
+
+ return PyString_FromStringAndSize(buf, len);
+ }
+
+ case T_LIST:
+ case T_SET: {
+ SetListTypeArgs parsedargs;
+ int32_t len;
+ PyObject* ret = NULL;
+ int i;
+
+ if (!parse_set_list_args(&parsedargs, typeargs)) {
+ return NULL;
+ }
+
+ if (!checkTypeByte(input, parsedargs.element_type)) {
+ return NULL;
+ }
+
+ len = readI32(input);
+ if (!check_ssize_t_32(len)) {
+ return NULL;
+ }
+
+ ret = PyList_New(len);
+ if (!ret) {
+ return NULL;
+ }
+
+ for (i = 0; i < len; i++) {
+ PyObject* item = decode_val(input, parsedargs.element_type, parsedargs.typeargs);
+ if (!item) {
+ Py_DECREF(ret);
+ return NULL;
+ }
+ PyList_SET_ITEM(ret, i, item);
+ }
+
+ // TODO(dreiss): Consider biting the bullet and making two separate cases
+ // for list and set, avoiding this post facto conversion.
+ if (type == T_SET) {
+ PyObject* setret;
+#if (PY_VERSION_HEX < 0x02050000)
+ // hack needed for older versions
+ setret = PyObject_CallFunctionObjArgs((PyObject*)&PySet_Type, ret, NULL);
+#else
+ // official version
+ setret = PySet_New(ret);
+#endif
+ Py_DECREF(ret);
+ return setret;
+ }
+ return ret;
+ }
+
+ case T_MAP: {
+ int32_t len;
+ int i;
+ MapTypeArgs parsedargs;
+ PyObject* ret = NULL;
+
+ if (!parse_map_args(&parsedargs, typeargs)) {
+ return NULL;
+ }
+
+ if (!checkTypeByte(input, parsedargs.ktag)) {
+ return NULL;
+ }
+ if (!checkTypeByte(input, parsedargs.vtag)) {
+ return NULL;
+ }
+
+ len = readI32(input);
+ if (!check_ssize_t_32(len)) {
+ return false;
+ }
+
+ ret = PyDict_New();
+ if (!ret) {
+ goto error;
+ }
+
+ for (i = 0; i < len; i++) {
+ PyObject* k = NULL;
+ PyObject* v = NULL;
+ k = decode_val(input, parsedargs.ktag, parsedargs.ktypeargs);
+ if (k == NULL) {
+ goto loop_error;
+ }
+ v = decode_val(input, parsedargs.vtag, parsedargs.vtypeargs);
+ if (v == NULL) {
+ goto loop_error;
+ }
+ if (PyDict_SetItem(ret, k, v) == -1) {
+ goto loop_error;
+ }
+
+ Py_DECREF(k);
+ Py_DECREF(v);
+ continue;
+
+ // Yuck! Destructors, anyone?
+ loop_error:
+ Py_XDECREF(k);
+ Py_XDECREF(v);
+ goto error;
+ }
+
+ return ret;
+
+ error:
+ Py_XDECREF(ret);
+ return NULL;
+ }
+
+ case T_STRUCT: {
+ StructTypeArgs parsedargs;
+ PyObject* ret;
+ if (!parse_struct_args(&parsedargs, typeargs)) {
+ return NULL;
+ }
+
+ ret = PyObject_CallObject(parsedargs.klass, NULL);
+ if (!ret) {
+ return NULL;
+ }
+
+ if (!decode_struct(input, ret, parsedargs.spec)) {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ return ret;
+ }
+
+ case T_STOP:
+ case T_VOID:
+ case T_UTF16:
+ case T_UTF8:
+ case T_U64:
+ default:
+ PyErr_SetString(PyExc_TypeError, "Unexpected TType");
+ return NULL;
+ }
+}
+
+
+/* --- TOP-LEVEL WRAPPER FOR INPUT -- */
+
+static PyObject*
+decode_binary(PyObject *self, PyObject *args) {
+ PyObject* output_obj = NULL;
+ PyObject* transport = NULL;
+ PyObject* typeargs = NULL;
+ StructTypeArgs parsedargs;
+ DecodeBuffer input = {0, 0};
+
+ if (!PyArg_ParseTuple(args, "OOO", &output_obj, &transport, &typeargs)) {
+ return NULL;
+ }
+
+ if (!parse_struct_args(&parsedargs, typeargs)) {
+ return NULL;
+ }
+
+ if (!decode_buffer_from_obj(&input, transport)) {
+ return NULL;
+ }
+
+ if (!decode_struct(&input, output_obj, parsedargs.spec)) {
+ free_decodebuf(&input);
+ return NULL;
+ }
+
+ free_decodebuf(&input);
+
+ Py_RETURN_NONE;
+}
+
+/* ====== END READING FUNCTIONS ====== */
+
+
+/* -- PYTHON MODULE SETUP STUFF --- */
+
+static PyMethodDef ThriftFastBinaryMethods[] = {
+
+ {"encode_binary", encode_binary, METH_VARARGS, ""},
+ {"decode_binary", decode_binary, METH_VARARGS, ""},
+
+ {NULL, NULL, 0, NULL} /* Sentinel */
+};
+
+PyMODINIT_FUNC
+initfastbinary(void) {
+#define INIT_INTERN_STRING(value) \
+ do { \
+ INTERN_STRING(value) = PyString_InternFromString(#value); \
+ if(!INTERN_STRING(value)) return; \
+ } while(0)
+
+ INIT_INTERN_STRING(cstringio_buf);
+ INIT_INTERN_STRING(cstringio_refill);
+#undef INIT_INTERN_STRING
+
+ PycString_IMPORT;
+ if (PycStringIO == NULL) return;
+
+ (void) Py_InitModule("thrift.protocol.fastbinary", ThriftFastBinaryMethods);
+}
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/THttpServer.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/THttpServer.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/THttpServer.py
new file mode 100644
index 0000000..be54bab
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/THttpServer.py
@@ -0,0 +1,87 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import BaseHTTPServer
+
+from thrift.server import TServer
+from thrift.transport import TTransport
+
+
+class ResponseException(Exception):
+ """Allows handlers to override the HTTP response
+
+ Normally, THttpServer always sends a 200 response. If a handler wants
+ to override this behavior (e.g., to simulate a misconfigured or
+ overloaded web server during testing), it can raise a ResponseException.
+ The function passed to the constructor will be called with the
+ RequestHandler as its only argument.
+ """
+ def __init__(self, handler):
+ self.handler = handler
+
+
+class THttpServer(TServer.TServer):
+ """A simple HTTP-based Thrift server
+
+ This class is not very performant, but it is useful (for example) for
+ acting as a mock version of an Apache-based PHP Thrift endpoint.
+ """
+ def __init__(self,
+ processor,
+ server_address,
+ inputProtocolFactory,
+ outputProtocolFactory=None,
+ server_class=BaseHTTPServer.HTTPServer):
+ """Set up protocol factories and HTTP server.
+
+ See BaseHTTPServer for server_address.
+ See TServer for protocol factories.
+ """
+ if outputProtocolFactory is None:
+ outputProtocolFactory = inputProtocolFactory
+
+ TServer.TServer.__init__(self, processor, None, None, None,
+ inputProtocolFactory, outputProtocolFactory)
+
+ thttpserver = self
+
+ class RequestHander(BaseHTTPServer.BaseHTTPRequestHandler):
+ def do_POST(self):
+ # Don't care about the request path.
+ itrans = TTransport.TFileObjectTransport(self.rfile)
+ otrans = TTransport.TFileObjectTransport(self.wfile)
+ itrans = TTransport.TBufferedTransport(
+ itrans, int(self.headers['Content-Length']))
+ otrans = TTransport.TMemoryBuffer()
+ iprot = thttpserver.inputProtocolFactory.getProtocol(itrans)
+ oprot = thttpserver.outputProtocolFactory.getProtocol(otrans)
+ try:
+ thttpserver.processor.process(iprot, oprot)
+ except ResponseException, exn:
+ exn.handler(self)
+ else:
+ self.send_response(200)
+ self.send_header("content-type", "application/x-thrift")
+ self.end_headers()
+ self.wfile.write(otrans.getvalue())
+
+ self.httpd = server_class(server_address, RequestHander)
+
+ def serve(self):
+ self.httpd.serve_forever()
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TNonblockingServer.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TNonblockingServer.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TNonblockingServer.py
new file mode 100644
index 0000000..fa478d0
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TNonblockingServer.py
@@ -0,0 +1,346 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+"""Implementation of non-blocking server.
+
+The main idea of the server is to receive and send requests
+only from the main thread.
+
+The thread poool should be sized for concurrent tasks, not
+maximum connections
+"""
+import threading
+import socket
+import Queue
+import select
+import struct
+import logging
+
+from thrift.transport import TTransport
+from thrift.protocol.TBinaryProtocol import TBinaryProtocolFactory
+
+__all__ = ['TNonblockingServer']
+
+
+class Worker(threading.Thread):
+ """Worker is a small helper to process incoming connection."""
+
+ def __init__(self, queue):
+ threading.Thread.__init__(self)
+ self.queue = queue
+
+ def run(self):
+ """Process queries from task queue, stop if processor is None."""
+ while True:
+ try:
+ processor, iprot, oprot, otrans, callback = self.queue.get()
+ if processor is None:
+ break
+ processor.process(iprot, oprot)
+ callback(True, otrans.getvalue())
+ except Exception:
+ logging.exception("Exception while processing request")
+ callback(False, '')
+
+WAIT_LEN = 0
+WAIT_MESSAGE = 1
+WAIT_PROCESS = 2
+SEND_ANSWER = 3
+CLOSED = 4
+
+
+def locked(func):
+ """Decorator which locks self.lock."""
+ def nested(self, *args, **kwargs):
+ self.lock.acquire()
+ try:
+ return func(self, *args, **kwargs)
+ finally:
+ self.lock.release()
+ return nested
+
+
+def socket_exception(func):
+ """Decorator close object on socket.error."""
+ def read(self, *args, **kwargs):
+ try:
+ return func(self, *args, **kwargs)
+ except socket.error:
+ self.close()
+ return read
+
+
+class Connection:
+ """Basic class is represented connection.
+
+ It can be in state:
+ WAIT_LEN --- connection is reading request len.
+ WAIT_MESSAGE --- connection is reading request.
+ WAIT_PROCESS --- connection has just read whole request and
+ waits for call ready routine.
+ SEND_ANSWER --- connection is sending answer string (including length
+ of answer).
+ CLOSED --- socket was closed and connection should be deleted.
+ """
+ def __init__(self, new_socket, wake_up):
+ self.socket = new_socket
+ self.socket.setblocking(False)
+ self.status = WAIT_LEN
+ self.len = 0
+ self.message = ''
+ self.lock = threading.Lock()
+ self.wake_up = wake_up
+
+ def _read_len(self):
+ """Reads length of request.
+
+ It's a safer alternative to self.socket.recv(4)
+ """
+ read = self.socket.recv(4 - len(self.message))
+ if len(read) == 0:
+ # if we read 0 bytes and self.message is empty, then
+ # the client closed the connection
+ if len(self.message) != 0:
+ logging.error("can't read frame size from socket")
+ self.close()
+ return
+ self.message += read
+ if len(self.message) == 4:
+ self.len, = struct.unpack('!i', self.message)
+ if self.len < 0:
+ logging.error("negative frame size, it seems client "
+ "doesn't use FramedTransport")
+ self.close()
+ elif self.len == 0:
+ logging.error("empty frame, it's really strange")
+ self.close()
+ else:
+ self.message = ''
+ self.status = WAIT_MESSAGE
+
+ @socket_exception
+ def read(self):
+ """Reads data from stream and switch state."""
+ assert self.status in (WAIT_LEN, WAIT_MESSAGE)
+ if self.status == WAIT_LEN:
+ self._read_len()
+ # go back to the main loop here for simplicity instead of
+ # falling through, even though there is a good chance that
+ # the message is already available
+ elif self.status == WAIT_MESSAGE:
+ read = self.socket.recv(self.len - len(self.message))
+ if len(read) == 0:
+ logging.error("can't read frame from socket (get %d of "
+ "%d bytes)" % (len(self.message), self.len))
+ self.close()
+ return
+ self.message += read
+ if len(self.message) == self.len:
+ self.status = WAIT_PROCESS
+
+ @socket_exception
+ def write(self):
+ """Writes data from socket and switch state."""
+ assert self.status == SEND_ANSWER
+ sent = self.socket.send(self.message)
+ if sent == len(self.message):
+ self.status = WAIT_LEN
+ self.message = ''
+ self.len = 0
+ else:
+ self.message = self.message[sent:]
+
+ @locked
+ def ready(self, all_ok, message):
+ """Callback function for switching state and waking up main thread.
+
+ This function is the only function witch can be called asynchronous.
+
+ The ready can switch Connection to three states:
+ WAIT_LEN if request was oneway.
+ SEND_ANSWER if request was processed in normal way.
+ CLOSED if request throws unexpected exception.
+
+ The one wakes up main thread.
+ """
+ assert self.status == WAIT_PROCESS
+ if not all_ok:
+ self.close()
+ self.wake_up()
+ return
+ self.len = ''
+ if len(message) == 0:
+ # it was a oneway request, do not write answer
+ self.message = ''
+ self.status = WAIT_LEN
+ else:
+ self.message = struct.pack('!i', len(message)) + message
+ self.status = SEND_ANSWER
+ self.wake_up()
+
+ @locked
+ def is_writeable(self):
+ """Return True if connection should be added to write list of select"""
+ return self.status == SEND_ANSWER
+
+ # it's not necessary, but...
+ @locked
+ def is_readable(self):
+ """Return True if connection should be added to read list of select"""
+ return self.status in (WAIT_LEN, WAIT_MESSAGE)
+
+ @locked
+ def is_closed(self):
+ """Returns True if connection is closed."""
+ return self.status == CLOSED
+
+ def fileno(self):
+ """Returns the file descriptor of the associated socket."""
+ return self.socket.fileno()
+
+ def close(self):
+ """Closes connection"""
+ self.status = CLOSED
+ self.socket.close()
+
+
+class TNonblockingServer:
+ """Non-blocking server."""
+
+ def __init__(self,
+ processor,
+ lsocket,
+ inputProtocolFactory=None,
+ outputProtocolFactory=None,
+ threads=10):
+ self.processor = processor
+ self.socket = lsocket
+ self.in_protocol = inputProtocolFactory or TBinaryProtocolFactory()
+ self.out_protocol = outputProtocolFactory or self.in_protocol
+ self.threads = int(threads)
+ self.clients = {}
+ self.tasks = Queue.Queue()
+ self._read, self._write = socket.socketpair()
+ self.prepared = False
+ self._stop = False
+
+ def setNumThreads(self, num):
+ """Set the number of worker threads that should be created."""
+ # implement ThreadPool interface
+ assert not self.prepared, "Can't change number of threads after start"
+ self.threads = num
+
+ def prepare(self):
+ """Prepares server for serve requests."""
+ if self.prepared:
+ return
+ self.socket.listen()
+ for _ in xrange(self.threads):
+ thread = Worker(self.tasks)
+ thread.setDaemon(True)
+ thread.start()
+ self.prepared = True
+
+ def wake_up(self):
+ """Wake up main thread.
+
+ The server usualy waits in select call in we should terminate one.
+ The simplest way is using socketpair.
+
+ Select always wait to read from the first socket of socketpair.
+
+ In this case, we can just write anything to the second socket from
+ socketpair.
+ """
+ self._write.send('1')
+
+ def stop(self):
+ """Stop the server.
+
+ This method causes the serve() method to return. stop() may be invoked
+ from within your handler, or from another thread.
+
+ After stop() is called, serve() will return but the server will still
+ be listening on the socket. serve() may then be called again to resume
+ processing requests. Alternatively, close() may be called after
+ serve() returns to close the server socket and shutdown all worker
+ threads.
+ """
+ self._stop = True
+ self.wake_up()
+
+ def _select(self):
+ """Does select on open connections."""
+ readable = [self.socket.handle.fileno(), self._read.fileno()]
+ writable = []
+ for i, connection in self.clients.items():
+ if connection.is_readable():
+ readable.append(connection.fileno())
+ if connection.is_writeable():
+ writable.append(connection.fileno())
+ if connection.is_closed():
+ del self.clients[i]
+ return select.select(readable, writable, readable)
+
+ def handle(self):
+ """Handle requests.
+
+ WARNING! You must call prepare() BEFORE calling handle()
+ """
+ assert self.prepared, "You have to call prepare before handle"
+ rset, wset, xset = self._select()
+ for readable in rset:
+ if readable == self._read.fileno():
+ # don't care i just need to clean readable flag
+ self._read.recv(1024)
+ elif readable == self.socket.handle.fileno():
+ client = self.socket.accept().handle
+ self.clients[client.fileno()] = Connection(client,
+ self.wake_up)
+ else:
+ connection = self.clients[readable]
+ connection.read()
+ if connection.status == WAIT_PROCESS:
+ itransport = TTransport.TMemoryBuffer(connection.message)
+ otransport = TTransport.TMemoryBuffer()
+ iprot = self.in_protocol.getProtocol(itransport)
+ oprot = self.out_protocol.getProtocol(otransport)
+ self.tasks.put([self.processor, iprot, oprot,
+ otransport, connection.ready])
+ for writeable in wset:
+ self.clients[writeable].write()
+ for oob in xset:
+ self.clients[oob].close()
+ del self.clients[oob]
+
+ def close(self):
+ """Closes the server."""
+ for _ in xrange(self.threads):
+ self.tasks.put([None, None, None, None, None])
+ self.socket.close()
+ self.prepared = False
+
+ def serve(self):
+ """Serve requests.
+
+ Serve requests forever, or until stop() is called.
+ """
+ self._stop = False
+ self.prepare()
+ while not self._stop:
+ self.handle()
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TProcessPoolServer.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TProcessPoolServer.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TProcessPoolServer.py
new file mode 100644
index 0000000..c665e6d
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TProcessPoolServer.py
@@ -0,0 +1,118 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+
+import logging
+from multiprocessing import Process, Value, Condition
+
+from lib.thrift.server import TServer
+from thrift.transport.TTransport import TTransportException
+
+
+class TProcessPoolServer(TServer):
+ """Server with a fixed size pool of worker subprocesses to service requests
+
+ Note that if you need shared state between the handlers - it's up to you!
+ Written by Dvir Volk, doat.com
+ """
+ def __init__(self, *args):
+ TServer.__init__(self, *args)
+ self.numWorkers = 10
+ self.workers = []
+ self.isRunning = Value('b', False)
+ self.stopCondition = Condition()
+ self.postForkCallback = None
+
+ def setPostForkCallback(self, callback):
+ if not callable(callback):
+ raise TypeError("This is not a callback!")
+ self.postForkCallback = callback
+
+ def setNumWorkers(self, num):
+ """Set the number of worker threads that should be created"""
+ self.numWorkers = num
+
+ def workerProcess(self):
+ """Loop getting clients from the shared queue and process them"""
+ if self.postForkCallback:
+ self.postForkCallback()
+
+ while self.isRunning.value:
+ try:
+ client = self.serverTransport.accept()
+ self.serveClient(client)
+ except (KeyboardInterrupt, SystemExit):
+ return 0
+ except Exception, x:
+ logging.exception(x)
+
+ def serveClient(self, client):
+ """Process input/output from a client for as long as possible"""
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+ def serve(self):
+ """Start workers and put into queue"""
+ # this is a shared state that can tell the workers to exit when False
+ self.isRunning.value = True
+
+ # first bind and listen to the port
+ self.serverTransport.listen()
+
+ # fork the children
+ for i in range(self.numWorkers):
+ try:
+ w = Process(target=self.workerProcess)
+ w.daemon = True
+ w.start()
+ self.workers.append(w)
+ except Exception, x:
+ logging.exception(x)
+
+ # wait until the condition is set by stop()
+ while True:
+ self.stopCondition.acquire()
+ try:
+ self.stopCondition.wait()
+ break
+ except (SystemExit, KeyboardInterrupt):
+ break
+ except Exception, x:
+ logging.exception(x)
+
+ self.isRunning.value = False
+
+ def stop(self):
+ self.isRunning.value = False
+ self.stopCondition.acquire()
+ self.stopCondition.notify()
+ self.stopCondition.release()
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TServer.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TServer.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TServer.py
new file mode 100644
index 0000000..2f24842
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/TServer.py
@@ -0,0 +1,269 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import Queue
+import logging
+import os
+import sys
+import threading
+import traceback
+
+from thrift.Thrift import TProcessor
+from thrift.protocol import TBinaryProtocol
+from thrift.transport import TTransport
+
+
+class TServer:
+ """Base interface for a server, which must have a serve() method.
+
+ Three constructors for all servers:
+ 1) (processor, serverTransport)
+ 2) (processor, serverTransport, transportFactory, protocolFactory)
+ 3) (processor, serverTransport,
+ inputTransportFactory, outputTransportFactory,
+ inputProtocolFactory, outputProtocolFactory)
+ """
+ def __init__(self, *args):
+ if (len(args) == 2):
+ self.__initArgs__(args[0], args[1],
+ TTransport.TTransportFactoryBase(),
+ TTransport.TTransportFactoryBase(),
+ TBinaryProtocol.TBinaryProtocolFactory(),
+ TBinaryProtocol.TBinaryProtocolFactory())
+ elif (len(args) == 4):
+ self.__initArgs__(args[0], args[1], args[2], args[2], args[3], args[3])
+ elif (len(args) == 6):
+ self.__initArgs__(args[0], args[1], args[2], args[3], args[4], args[5])
+
+ def __initArgs__(self, processor, serverTransport,
+ inputTransportFactory, outputTransportFactory,
+ inputProtocolFactory, outputProtocolFactory):
+ self.processor = processor
+ self.serverTransport = serverTransport
+ self.inputTransportFactory = inputTransportFactory
+ self.outputTransportFactory = outputTransportFactory
+ self.inputProtocolFactory = inputProtocolFactory
+ self.outputProtocolFactory = outputProtocolFactory
+
+ def serve(self):
+ pass
+
+
+class TSimpleServer(TServer):
+ """Simple single-threaded server that just pumps around one transport."""
+
+ def __init__(self, *args):
+ TServer.__init__(self, *args)
+
+ def serve(self):
+ self.serverTransport.listen()
+ while True:
+ client = self.serverTransport.accept()
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+
+class TThreadedServer(TServer):
+ """Threaded server that spawns a new thread per each connection."""
+
+ def __init__(self, *args, **kwargs):
+ TServer.__init__(self, *args)
+ self.daemon = kwargs.get("daemon", False)
+
+ def serve(self):
+ self.serverTransport.listen()
+ while True:
+ try:
+ client = self.serverTransport.accept()
+ t = threading.Thread(target=self.handle, args=(client,))
+ t.setDaemon(self.daemon)
+ t.start()
+ except KeyboardInterrupt:
+ raise
+ except Exception, x:
+ logging.exception(x)
+
+ def handle(self, client):
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+
+class TThreadPoolServer(TServer):
+ """Server with a fixed size pool of threads which service requests."""
+
+ def __init__(self, *args, **kwargs):
+ TServer.__init__(self, *args)
+ self.clients = Queue.Queue()
+ self.threads = 10
+ self.daemon = kwargs.get("daemon", False)
+
+ def setNumThreads(self, num):
+ """Set the number of worker threads that should be created"""
+ self.threads = num
+
+ def serveThread(self):
+ """Loop around getting clients from the shared queue and process them."""
+ while True:
+ try:
+ client = self.clients.get()
+ self.serveClient(client)
+ except Exception, x:
+ logging.exception(x)
+
+ def serveClient(self, client):
+ """Process input/output from a client for as long as possible"""
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+ def serve(self):
+ """Start a fixed number of worker threads and put client into a queue"""
+ for i in range(self.threads):
+ try:
+ t = threading.Thread(target=self.serveThread)
+ t.setDaemon(self.daemon)
+ t.start()
+ except Exception, x:
+ logging.exception(x)
+
+ # Pump the socket for clients
+ self.serverTransport.listen()
+ while True:
+ try:
+ client = self.serverTransport.accept()
+ self.clients.put(client)
+ except Exception, x:
+ logging.exception(x)
+
+
+class TForkingServer(TServer):
+ """A Thrift server that forks a new process for each request
+
+ This is more scalable than the threaded server as it does not cause
+ GIL contention.
+
+ Note that this has different semantics from the threading server.
+ Specifically, updates to shared variables will no longer be shared.
+ It will also not work on windows.
+
+ This code is heavily inspired by SocketServer.ForkingMixIn in the
+ Python stdlib.
+ """
+ def __init__(self, *args):
+ TServer.__init__(self, *args)
+ self.children = []
+
+ def serve(self):
+ def try_close(file):
+ try:
+ file.close()
+ except IOError, e:
+ logging.warning(e, exc_info=True)
+
+ self.serverTransport.listen()
+ while True:
+ client = self.serverTransport.accept()
+ try:
+ pid = os.fork()
+
+ if pid: # parent
+ # add before collect, otherwise you race w/ waitpid
+ self.children.append(pid)
+ self.collect_children()
+
+ # Parent must close socket or the connection may not get
+ # closed promptly
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ try_close(itrans)
+ try_close(otrans)
+ else:
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+
+ ecode = 0
+ try:
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, e:
+ logging.exception(e)
+ ecode = 1
+ finally:
+ try_close(itrans)
+ try_close(otrans)
+
+ os._exit(ecode)
+
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ def collect_children(self):
+ while self.children:
+ try:
+ pid, status = os.waitpid(0, os.WNOHANG)
+ except os.error:
+ pid = None
+
+ if pid:
+ self.children.remove(pid)
+ else:
+ break
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/__init__.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/__init__.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/__init__.py
new file mode 100644
index 0000000..1bf6e25
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/server/__init__.py
@@ -0,0 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+__all__ = ['TServer', 'TNonblockingServer']
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/THttpClient.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/THttpClient.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/THttpClient.py
new file mode 100644
index 0000000..c98b966
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/THttpClient.py
@@ -0,0 +1,147 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import httplib
+import os
+import socket
+import sys
+import urllib
+import urlparse
+import warnings
+
+from lib.thrift.transport.TTransport import *
+
+
+class THttpClient(TTransportBase):
+ """Http implementation of TTransport base."""
+
+ def __init__(self, uri_or_host, port=None, path=None):
+ """THttpClient supports two different types constructor parameters.
+
+ THttpClient(host, port, path) - deprecated
+ THttpClient(uri)
+
+ Only the second supports https.
+ """
+ if port is not None:
+ warnings.warn(
+ "Please use the THttpClient('http://host:port/path') syntax",
+ DeprecationWarning,
+ stacklevel=2)
+ self.host = uri_or_host
+ self.port = port
+ assert path
+ self.path = path
+ self.scheme = 'http'
+ else:
+ parsed = urlparse.urlparse(uri_or_host)
+ self.scheme = parsed.scheme
+ assert self.scheme in ('http', 'https')
+ if self.scheme == 'http':
+ self.port = parsed.port or httplib.HTTP_PORT
+ elif self.scheme == 'https':
+ self.port = parsed.port or httplib.HTTPS_PORT
+ self.host = parsed.hostname
+ self.path = parsed.path
+ if parsed.query:
+ self.path += '?%s' % parsed.query
+ self.__wbuf = StringIO()
+ self.__http = None
+ self.__timeout = None
+ self.__custom_headers = None
+
+ def open(self):
+ if self.scheme == 'http':
+ self.__http = httplib.HTTP(self.host, self.port)
+ else:
+ self.__http = httplib.HTTPS(self.host, self.port)
+
+ def close(self):
+ self.__http.close()
+ self.__http = None
+
+ def isOpen(self):
+ return self.__http is not None
+
+ def setTimeout(self, ms):
+ if not hasattr(socket, 'getdefaulttimeout'):
+ raise NotImplementedError
+
+ if ms is None:
+ self.__timeout = None
+ else:
+ self.__timeout = ms / 1000.0
+
+ def setCustomHeaders(self, headers):
+ self.__custom_headers = headers
+
+ def read(self, sz):
+ return self.__http.file.read(sz)
+
+ def write(self, buf):
+ self.__wbuf.write(buf)
+
+ def __withTimeout(f):
+ def _f(*args, **kwargs):
+ orig_timeout = socket.getdefaulttimeout()
+ socket.setdefaulttimeout(args[0].__timeout)
+ result = f(*args, **kwargs)
+ socket.setdefaulttimeout(orig_timeout)
+ return result
+ return _f
+
+ def flush(self):
+ if self.isOpen():
+ self.close()
+ self.open()
+
+ # Pull data out of buffer
+ data = self.__wbuf.getvalue()
+ self.__wbuf = StringIO()
+
+ # HTTP request
+ self.__http.putrequest('POST', self.path)
+
+ # Write headers
+ self.__http.putheader('Host', self.host)
+ self.__http.putheader('Content-Type', 'application/x-thrift')
+ self.__http.putheader('Content-Length', str(len(data)))
+
+ if not self.__custom_headers or 'User-Agent' not in self.__custom_headers:
+ user_agent = 'Python/THttpClient'
+ script = os.path.basename(sys.argv[0])
+ if script:
+ user_agent = '%s (%s)' % (user_agent, urllib.quote(script))
+ self.__http.putheader('User-Agent', user_agent)
+
+ if self.__custom_headers:
+ for key, val in self.__custom_headers.iteritems():
+ self.__http.putheader(key, val)
+
+ self.__http.endheaders()
+
+ # Write payload
+ self.__http.send(data)
+
+ # Get reply to flush the request
+ self.code, self.message, self.headers = self.__http.getreply()
+
+ # Decorate if we know how to timeout
+ if hasattr(socket, 'getdefaulttimeout'):
+ flush = __withTimeout(flush)
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSSLSocket.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSSLSocket.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSSLSocket.py
new file mode 100644
index 0000000..81e0984
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSSLSocket.py
@@ -0,0 +1,214 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import os
+import socket
+import ssl
+
+from thrift.transport import TSocket
+from thrift.transport.TTransport import TTransportException
+
+
+class TSSLSocket(TSocket.TSocket):
+ """
+ SSL implementation of client-side TSocket
+
+ This class creates outbound sockets wrapped using the
+ python standard ssl module for encrypted connections.
+
+ The protocol used is set using the class variable
+ SSL_VERSION, which must be one of ssl.PROTOCOL_* and
+ defaults to ssl.PROTOCOL_TLSv1 for greatest security.
+ """
+ SSL_VERSION = ssl.PROTOCOL_TLSv1
+
+ def __init__(self,
+ host='localhost',
+ port=9090,
+ validate=True,
+ ca_certs=None,
+ keyfile=None,
+ certfile=None,
+ unix_socket=None):
+ """Create SSL TSocket
+
+ @param validate: Set to False to disable SSL certificate validation
+ @type validate: bool
+ @param ca_certs: Filename to the Certificate Authority pem file, possibly a
+ file downloaded from: http://curl.haxx.se/ca/cacert.pem This is passed to
+ the ssl_wrap function as the 'ca_certs' parameter.
+ @type ca_certs: str
+ @param keyfile: The private key
+ @type keyfile: str
+ @param certfile: The cert file
+ @type certfile: str
+
+ Raises an IOError exception if validate is True and the ca_certs file is
+ None, not present or unreadable.
+ """
+ self.validate = validate
+ self.is_valid = False
+ self.peercert = None
+ if not validate:
+ self.cert_reqs = ssl.CERT_NONE
+ else:
+ self.cert_reqs = ssl.CERT_REQUIRED
+ self.ca_certs = ca_certs
+ self.keyfile = keyfile
+ self.certfile = certfile
+ if validate:
+ if ca_certs is None or not os.access(ca_certs, os.R_OK):
+ raise IOError('Certificate Authority ca_certs file "%s" '
+ 'is not readable, cannot validate SSL '
+ 'certificates.' % (ca_certs))
+ TSocket.TSocket.__init__(self, host, port, unix_socket)
+
+ def open(self):
+ try:
+ res0 = self._resolveAddr()
+ for res in res0:
+ sock_family, sock_type = res[0:2]
+ ip_port = res[4]
+ plain_sock = socket.socket(sock_family, sock_type)
+ self.handle = ssl.wrap_socket(plain_sock,
+ ssl_version=self.SSL_VERSION,
+ do_handshake_on_connect=True,
+ ca_certs=self.ca_certs,
+ keyfile=self.keyfile,
+ certfile=self.certfile,
+ cert_reqs=self.cert_reqs)
+ self.handle.settimeout(self._timeout)
+ try:
+ self.handle.connect(ip_port)
+ except socket.error, e:
+ if res is not res0[-1]:
+ continue
+ else:
+ raise e
+ break
+ except socket.error, e:
+ if self._unix_socket:
+ message = 'Could not connect to secure socket %s: %s' \
+ % (self._unix_socket, e)
+ else:
+ message = 'Could not connect to %s:%d: %s' % (self.host, self.port, e)
+ raise TTransportException(type=TTransportException.NOT_OPEN,
+ message=message)
+ if self.validate:
+ self._validate_cert()
+
+ def _validate_cert(self):
+ """internal method to validate the peer's SSL certificate, and to check the
+ commonName of the certificate to ensure it matches the hostname we
+ used to make this connection. Does not support subjectAltName records
+ in certificates.
+
+ raises TTransportException if the certificate fails validation.
+ """
+ cert = self.handle.getpeercert()
+ self.peercert = cert
+ if 'subject' not in cert:
+ raise TTransportException(
+ type=TTransportException.NOT_OPEN,
+ message='No SSL certificate found from %s:%s' % (self.host, self.port))
+ fields = cert['subject']
+ for field in fields:
+ # ensure structure we get back is what we expect
+ if not isinstance(field, tuple):
+ continue
+ cert_pair = field[0]
+ if len(cert_pair) < 2:
+ continue
+ cert_key, cert_value = cert_pair[0:2]
+ if cert_key != 'commonName':
+ continue
+ certhost = cert_value
+ # this check should be performed by some sort of Access Manager
+ if certhost == self.host:
+ # success, cert commonName matches desired hostname
+ self.is_valid = True
+ return
+ else:
+ raise TTransportException(
+ type=TTransportException.UNKNOWN,
+ message='Hostname we connected to "%s" doesn\'t match certificate '
+ 'provided commonName "%s"' % (self.host, certhost))
+ raise TTransportException(
+ type=TTransportException.UNKNOWN,
+ message='Could not validate SSL certificate from '
+ 'host "%s". Cert=%s' % (self.host, cert))
+
+
+class TSSLServerSocket(TSocket.TServerSocket):
+ """SSL implementation of TServerSocket
+
+ This uses the ssl module's wrap_socket() method to provide SSL
+ negotiated encryption.
+ """
+ SSL_VERSION = ssl.PROTOCOL_TLSv1
+
+ def __init__(self,
+ host=None,
+ port=9090,
+ certfile='cert.pem',
+ unix_socket=None):
+ """Initialize a TSSLServerSocket
+
+ @param certfile: filename of the server certificate, defaults to cert.pem
+ @type certfile: str
+ @param host: The hostname or IP to bind the listen socket to,
+ i.e. 'localhost' for only allowing local network connections.
+ Pass None to bind to all interfaces.
+ @type host: str
+ @param port: The port to listen on for inbound connections.
+ @type port: int
+ """
+ self.setCertfile(certfile)
+ TSocket.TServerSocket.__init__(self, host, port)
+
+ def setCertfile(self, certfile):
+ """Set or change the server certificate file used to wrap new connections.
+
+ @param certfile: The filename of the server certificate,
+ i.e. '/etc/certs/server.pem'
+ @type certfile: str
+
+ Raises an IOError exception if the certfile is not present or unreadable.
+ """
+ if not os.access(certfile, os.R_OK):
+ raise IOError('No such certfile found: %s' % (certfile))
+ self.certfile = certfile
+
+ def accept(self):
+ plain_client, addr = self.handle.accept()
+ try:
+ client = ssl.wrap_socket(plain_client, certfile=self.certfile,
+ server_side=True, ssl_version=self.SSL_VERSION)
+ except ssl.SSLError, ssl_exc:
+ # failed handshake/ssl wrap, close socket to client
+ plain_client.close()
+ # raise ssl_exc
+ # We can't raise the exception, because it kills most TServer derived
+ # serve() methods.
+ # Instead, return None, and let the TServer instance deal with it in
+ # other exception handling. (but TSimpleServer dies anyway)
+ return None
+ result = TSocket.TSocket()
+ result.setHandle(client)
+ return result
http://git-wip-us.apache.org/repos/asf/airavata/blob/b27dc195/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSocket.py
----------------------------------------------------------------------
diff --git a/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSocket.py b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSocket.py
new file mode 100644
index 0000000..2d1af94
--- /dev/null
+++ b/airavata-api/airavata-client-sdks/airavata-python-sdk/src/main/resources/lib/thrift/transport/TSocket.py
@@ -0,0 +1,176 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import errno
+import os
+import socket
+import sys
+
+from lib.thrift.transport.TTransport import *
+
+
+class TSocketBase(TTransportBase):
+ def _resolveAddr(self):
+ if self._unix_socket is not None:
+ return [(socket.AF_UNIX, socket.SOCK_STREAM, None, None,
+ self._unix_socket)]
+ else:
+ return socket.getaddrinfo(self.host,
+ self.port,
+ socket.AF_UNSPEC,
+ socket.SOCK_STREAM,
+ 0,
+ socket.AI_PASSIVE | socket.AI_ADDRCONFIG)
+
+ def close(self):
+ if self.handle:
+ self.handle.close()
+ self.handle = None
+
+
+class TSocket(TSocketBase):
+ """Socket implementation of TTransport base."""
+
+ def __init__(self, host='localhost', port=9090, unix_socket=None):
+ """Initialize a TSocket
+
+ @param host(str) The host to connect to.
+ @param port(int) The (TCP) port to connect to.
+ @param unix_socket(str) The filename of a unix socket to connect to.
+ (host and port will be ignored.)
+ """
+ self.host = host
+ self.port = port
+ self.handle = None
+ self._unix_socket = unix_socket
+ self._timeout = None
+
+ def setHandle(self, h):
+ self.handle = h
+
+ def isOpen(self):
+ return self.handle is not None
+
+ def setTimeout(self, ms):
+ if ms is None:
+ self._timeout = None
+ else:
+ self._timeout = ms / 1000.0
+
+ if self.handle is not None:
+ self.handle.settimeout(self._timeout)
+
+ def open(self):
+ try:
+ res0 = self._resolveAddr()
+ for res in res0:
+ self.handle = socket.socket(res[0], res[1])
+ self.handle.settimeout(self._timeout)
+ try:
+ self.handle.connect(res[4])
+ except socket.error, e:
+ if res is not res0[-1]:
+ continue
+ else:
+ raise e
+ break
+ except socket.error, e:
+ if self._unix_socket:
+ message = 'Could not connect to socket %s' % self._unix_socket
+ else:
+ message = 'Could not connect to %s:%d' % (self.host, self.port)
+ raise TTransportException(type=TTransportException.NOT_OPEN,
+ message=message)
+
+ def read(self, sz):
+ try:
+ buff = self.handle.recv(sz)
+ except socket.error, e:
+ if (e.args[0] == errno.ECONNRESET and
+ (sys.platform == 'darwin' or sys.platform.startswith('freebsd'))):
+ # freebsd and Mach don't follow POSIX semantic of recv
+ # and fail with ECONNRESET if peer performed shutdown.
+ # See corresponding comment and code in TSocket::read()
+ # in lib/cpp/src/transport/TSocket.cpp.
+ self.close()
+ # Trigger the check to raise the END_OF_FILE exception below.
+ buff = ''
+ else:
+ raise
+ if len(buff) == 0:
+ raise TTransportException(type=TTransportException.END_OF_FILE,
+ message='TSocket read 0 bytes')
+ return buff
+
+ def write(self, buff):
+ if not self.handle:
+ raise TTransportException(type=TTransportException.NOT_OPEN,
+ message='Transport not open')
+ sent = 0
+ have = len(buff)
+ while sent < have:
+ plus = self.handle.send(buff)
+ if plus == 0:
+ raise TTransportException(type=TTransportException.END_OF_FILE,
+ message='TSocket sent 0 bytes')
+ sent += plus
+ buff = buff[plus:]
+
+ def flush(self):
+ pass
+
+
+class TServerSocket(TSocketBase, TServerTransportBase):
+ """Socket implementation of TServerTransport base."""
+
+ def __init__(self, host=None, port=9090, unix_socket=None):
+ self.host = host
+ self.port = port
+ self._unix_socket = unix_socket
+ self.handle = None
+
+ def listen(self):
+ res0 = self._resolveAddr()
+ for res in res0:
+ if res[0] is socket.AF_INET6 or res is res0[-1]:
+ break
+
+ # We need remove the old unix socket if the file exists and
+ # nobody is listening on it.
+ if self._unix_socket:
+ tmp = socket.socket(res[0], res[1])
+ try:
+ tmp.connect(res[4])
+ except socket.error, err:
+ eno, message = err.args
+ if eno == errno.ECONNREFUSED:
+ os.unlink(res[4])
+
+ self.handle = socket.socket(res[0], res[1])
+ self.handle.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+ if hasattr(self.handle, 'settimeout'):
+ self.handle.settimeout(None)
+ self.handle.bind(res[4])
+ self.handle.listen(128)
+
+ def accept(self):
+ client, addr = self.handle.accept()
+ result = TSocket()
+ result.setHandle(client)
+ return result