py_pjsua.c

基于sip协议的网络电话源码

} config_Object;


/*
 * config_dealloc
 * deallocates a config object
 */
static void config_dealloc(config_Object* self)
{
    Py_XDECREF(self->cb);
    Py_XDECREF(self->user_agent);
    self->ob_type->tp_free((PyObject*)self);
}

/*
 * config_new 
 * config object constructor
 */
static PyObject *config_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
    config_Object *self;

    self = (config_Object *)type->tp_alloc(type, 0);
    if (self != NULL)
    {
        self->user_agent = PyString_FromString("");
        if (self->user_agent == NULL)
    	{
            Py_DECREF(self);
            return NULL;
        }
        self->cb = (callback_Object *)PyType_GenericNew(
            &callback_Type, NULL, NULL
        );
        if (self->cb == NULL)
    	{
            Py_DECREF(Py_None);
            return NULL;
        }
    }
    return (PyObject *)self;
}


/*
 * config_members
 * attribute list accessible from Python/C
 */
static PyMemberDef config_members[] =
{
    {
    	"max_calls", T_INT, offsetof(config_Object, max_calls), 0,
    	"Maximum calls to support (default: 4) "
    },
    {
    	"thread_cnt", T_INT, offsetof(config_Object, thread_cnt), 0,
    	"Number of worker threads. Normally application will want to have at "
    	"least one worker thread, unless when it wants to poll the library "
    	"periodically, which in this case the worker thread can be set to "
    	"zero."
    },
    {
    	"outbound_proxy_cnt", T_INT,
    	offsetof(config_Object, outbound_proxy_cnt), 0,
    	"Number of outbound proxies in the array."
    },
    {
    	"cred_count", T_INT, offsetof(config_Object, cred_count), 0,
    	"Number of credentials in the credential array."
    },
    {
    	"user_agent", T_OBJECT_EX, offsetof(config_Object, user_agent), 0,
    	"User agent string (default empty)"
    },
    {
    	"cb", T_OBJECT_EX, offsetof(config_Object, cb), 0,
    	"Application callback."
    },
    {NULL}  /* Sentinel */
};


/*
 * config_Type
 * type wrapper for config class
 */
static PyTypeObject config_Type =
{
    PyObject_HEAD_INIT(NULL)
    0,                         /*ob_size*/
    "py_pjsua.Config",         /*tp_name*/
    sizeof(config_Object),     /*tp_basicsize*/
    0,                         /*tp_itemsize*/
    (destructor)config_dealloc,/*tp_dealloc*/
    0,                         /*tp_print*/
    0,                         /*tp_getattr*/
    0,                         /*tp_setattr*/
    0,                         /*tp_compare*/
    0,                         /*tp_repr*/
    0,                         /*tp_as_number*/
    0,                         /*tp_as_sequence*/
    0,                         /*tp_as_mapping*/
    0,                         /*tp_hash */
    0,                         /*tp_call*/
    0,                         /*tp_str*/
    0,                         /*tp_getattro*/
    0,                         /*tp_setattro*/
    0,                         /*tp_as_buffer*/
    Py_TPFLAGS_DEFAULT,        /*tp_flags*/
    "Config objects",          /* tp_doc */
    0,                         /* tp_traverse */
    0,                         /* tp_clear */
    0,                         /* tp_richcompare */
    0,                         /* tp_weaklistoffset */
    0,                         /* tp_iter */
    0,                         /* tp_iternext */
    0,                         /* tp_methods */
    config_members,            /* tp_members */
    0,                         /* tp_getset */
    0,                         /* tp_base */
    0,                         /* tp_dict */
    0,                         /* tp_descr_get */
    0,                         /* tp_descr_set */
    0,                         /* tp_dictoffset */
    0,                         /* tp_init */
    0,                         /* tp_alloc */
    config_new,                 /* tp_new */

};


/*
 * logging_config_Object
 * configuration class for logging_config object
 */
typedef struct
{
    PyObject_HEAD
    /* Type-specific fields go here. */
    int msg_logging;
    unsigned level;
    unsigned console_level;
    unsigned decor;
    PyObject * log_filename;
    PyObject * cb;
} logging_config_Object;


/*
 * logging_config_dealloc
 * deletes a logging config from memory
 */
static void logging_config_dealloc(logging_config_Object* self)
{
    Py_XDECREF(self->log_filename);
    Py_XDECREF(self->cb);
    self->ob_type->tp_free((PyObject*)self);
}


/*
 * logging_config_new
 * constructor for logging_config object
 */
static PyObject * logging_config_new(PyTypeObject *type, PyObject *args,
                                    PyObject *kwds)
{
    logging_config_Object *self;

    self = (logging_config_Object *)type->tp_alloc(type, 0);
    if (self != NULL)
    {
        self->log_filename = PyString_FromString("");
        if (self->log_filename == NULL)
    	{
            Py_DECREF(self);
            return NULL;
        }
        Py_INCREF(Py_None);
        self->cb = Py_None;
        if (self->cb == NULL)
    	{
            Py_DECREF(Py_None);
            return NULL;
        }
    }

    return (PyObject *)self;
}


/*
 * logging_config_members
 */
static PyMemberDef logging_config_members[] =
{
    {
    	"msg_logging", T_INT, offsetof(logging_config_Object, msg_logging), 0,
    	"Log incoming and outgoing SIP message? Yes!"
    },
    {
    	"level", T_INT, offsetof(logging_config_Object, level), 0,
    	"Input verbosity level. Value 5 is reasonable."
    },
    {
    	"console_level", T_INT, offsetof(logging_config_Object, console_level),
    	0, "Verbosity level for console. Value 4 is reasonable."
    },
    {
    	"decor", T_INT, offsetof(logging_config_Object, decor), 0,
    	"Log decoration"
    },
    {
    	"log_filename", T_OBJECT_EX,
    	offsetof(logging_config_Object, log_filename), 0,
    	"Optional log filename"
    },
    {
    	"cb", T_OBJECT_EX, offsetof(logging_config_Object, cb), 0,
    	"Optional callback function to be called to write log to application "
    	"specific device. This function will be called forlog messages on "
    	"input verbosity level."
    },
    {NULL}  /* Sentinel */
};




/*
 * logging_config_Type
 */
static PyTypeObject logging_config_Type =
{
    PyObject_HEAD_INIT(NULL)
    0,                              /*ob_size*/
    "py_pjsua.Logging_Config",      /*tp_name*/
    sizeof(logging_config_Object),  /*tp_basicsize*/
    0,                              /*tp_itemsize*/
    (destructor)logging_config_dealloc,/*tp_dealloc*/
    0,                              /*tp_print*/
    0,                              /*tp_getattr*/
    0,                              /*tp_setattr*/
    0,                              /*tp_compare*/
    0,                              /*tp_repr*/
    0,                              /*tp_as_number*/
    0,                              /*tp_as_sequence*/
    0,                              /*tp_as_mapping*/
    0,                              /*tp_hash */
    0,                              /*tp_call*/
    0,                              /*tp_str*/
    0,                              /*tp_getattro*/
    0,                              /*tp_setattro*/
    0,                              /*tp_as_buffer*/
    Py_TPFLAGS_DEFAULT,             /*tp_flags*/
    "Logging Config objects",       /* tp_doc */
    0,                              /* tp_traverse */
    0,                              /* tp_clear */
    0,                              /* tp_richcompare */
    0,                              /* tp_weaklistoffset */
    0,                              /* tp_iter */
    0,                              /* tp_iternext */
    0,                              /* tp_methods */
    logging_config_members,         /* tp_members */
    0,                              /* tp_getset */
    0,                              /* tp_base */
    0,                              /* tp_dict */
    0,                              /* tp_descr_get */
    0,                              /* tp_descr_set */
    0,                              /* tp_dictoffset */
    0,                              /* tp_init */
    0,                              /* tp_alloc */
    logging_config_new,             /* tp_new */

};


/*
 * msg_data_Object
 * typewrapper for MessageData class
 * !modified @ 061206
 */
typedef struct
{
    PyObject_HEAD
    /* Type-specific fields go here. */
    /*pjsip_hdr hdr_list;*/
    PyObject * hdr_list;
    PyObject * content_type;
    PyObject * msg_body;
} msg_data_Object;


/*
 * msg_data_dealloc
 * deletes a msg_data
 * !modified @ 061206
 */
static void msg_data_dealloc(msg_data_Object* self)
{
    Py_XDECREF(self->hdr_list);
    Py_XDECREF(self->content_type);
    Py_XDECREF(self->msg_body);
    self->ob_type->tp_free((PyObject*)self);
}


/*
 * msg_data_new
 * constructor for msg_data object
 * !modified @ 061206
 */
static PyObject * msg_data_new(PyTypeObject *type, PyObject *args,
                                PyObject *kwds)
{
    msg_data_Object *self;

    self = (msg_data_Object *)type->tp_alloc(type, 0);
    if (self != NULL)
    {
        Py_INCREF(Py_None);
        self->hdr_list = Py_None;
        if (self->hdr_list == NULL)
    	{
            Py_DECREF(self);
            return NULL;
        }
        self->content_type = PyString_FromString("");
        if (self->content_type == NULL)
    	{
            Py_DECREF(self);
            return NULL;
        }
        self->msg_body = PyString_FromString("");
        if (self->msg_body == NULL)
    	{
            Py_DECREF(self);
            return NULL;
        }
    }

    return (PyObject *)self;
}


/*
 * msg_data_members
 * !modified @ 061206
 */
static PyMemberDef msg_data_members[] =
{
    {
        "hdr_list", T_OBJECT_EX, offsetof(msg_data_Object, hdr_list),
	0, "Additional message headers as linked list."
    }, 
    {
	"content_type", T_OBJECT_EX, offsetof(msg_data_Object, content_type),
    	0, "MIME type of optional message body."
    },
    {
    	"msg_body", T_OBJECT_EX, offsetof(msg_data_Object, msg_body), 0,
    	"Optional message body."
    },
    {NULL}  /* Sentinel */
};


/*
 * msg_data_Type
 */
static PyTypeObject msg_data_Type =
{
    PyObject_HEAD_INIT(NULL)
    0,                         /*ob_size*/
    "py_pjsua.Msg_Data",       /*tp_name*/
    sizeof(msg_data_Object),   /*tp_basicsize*/
    0,                         /*tp_itemsize*/
    (destructor)msg_data_dealloc,/*tp_dealloc*/
    0,                         /*tp_print*/
    0,                         /*tp_getattr*/
    0,                         /*tp_setattr*/
    0,                         /*tp_compare*/
    0,                         /*tp_repr*/
    0,                         /*tp_as_number*/
    0,                         /*tp_as_sequence*/
    0,                         /*tp_as_mapping*/
    0,                         /*tp_hash */
    0,                         /*tp_call*/
    0,                         /*tp_str*/
    0,                         /*tp_getattro*/
    0,                         /*tp_setattro*/
    0,                         /*tp_as_buffer*/
    Py_TPFLAGS_DEFAULT,        /*tp_flags*/
    "msg_data objects",        /* tp_doc */
    0,                         /* tp_traverse */
    0,                         /* tp_clear */
    0,                         /* tp_richcompare */
    0,                         /* tp_weaklistoffset */
    0,                         /* tp_iter */
    0,                         /* tp_iternext */
    0,                         /* tp_methods */
    msg_data_members,          /* tp_members */
    0,                         /* tp_getset */
    0,                         /* tp_base */
    0,                         /* tp_dict */
    0,                         /* tp_descr_get */
    0,                         /* tp_descr_set */
    0,                         /* tp_dictoffset */
    0,                         /* tp_init */
    0,                         /* tp_alloc */
    msg_data_new,                 /* tp_new */

};

/* 
 * translate_hdr
 * internal function 
 * translate from hdr_list to pjsip_generic_string_hdr
 */
void translate_hdr(pj_pool_t *pool, pjsip_hdr *hdr, PyObject *py_hdr_list)
{
    pj_list_init(hdr);

    if (PyList_Check(py_hdr_list)) {
	int i;

        for (i = 0; i < PyList_Size(py_hdr_list); i++) 
	{ 
            pj_str_t hname, hvalue;
	    pjsip_generic_string_hdr * new_hdr;
            PyObject * tuple = PyList_GetItem(py_hdr_list, i);

            if (PyTuple_Check(tuple)) 
	    {
                hname.ptr = PyString_AsString(PyTuple_GetItem(tuple,0));
                hname.slen = strlen(PyString_AsString
					(PyTuple_GetItem(tuple,0)));
                hvalue.ptr = PyString_AsString(PyTuple_GetItem(tuple,1));
                hvalue.slen = strlen(PyString_AsString
					(PyTuple_GetItem(tuple,1)));
            } else {
		hname.ptr = "";
		hname.slen = 0;
		hvalue.ptr = "";
		hvalue.slen = 0;
            }  
            new_hdr = pjsip_generic_string_hdr_create(pool, &hname, &hvalue);
            pj_list_push_back((pj_list_type *)hdr, (pj_list_type *)new_hdr);
	}     
    }
}

/* 
 * translate_hdr_rev
 * internal function
 * translate from pjsip_generic_string_hdr to hdr_list
 */

void translate_hdr_rev(pjsip_generic_string_hdr *hdr, PyObject *py_hdr_list)
{
    int i;
    int len;