Re: [PATCH] IrMC sync server support

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Hi Marcel,

> A reasonable working IrMC SYNC server (only full phonebook sync support)
> Support for cal and note by just returning nothing.
> ---
>  Makefile.am    |    3 +
>  plugins/irmc.c |  488 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  src/main.c     |   12 ++-
>  src/obex.h     |    1 +
>  4 files changed, 502 insertions(+), 2 deletions(-)
>  create mode 100644 plugins/irmc.c
> 
> diff --git a/Makefile.am b/Makefile.am
> index 73e2f28..ce8c675 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -58,6 +58,9 @@ builtin_sources += plugins/pbap.c plugins/phonebook.h \
>  builtin_modules += syncevolution
>  builtin_sources += plugins/syncevolution.c
>  
> +builtin_modules += irmc
> +builtin_sources += plugins/irmc.c plugins/phonebook.h
> +
>  builtin_nodist += plugins/phonebook.c
>  
>  libexec_PROGRAMS += src/obexd
> diff --git a/plugins/irmc.c b/plugins/irmc.c
> new file mode 100644
> index 0000000..96fd807
> --- /dev/null
> +++ b/plugins/irmc.c
> @@ -0,0 +1,488 @@
> +/*
> + *
> + *  OBEX IrMC Sync Server
> + *
> + *  Copyright (C) 2010  Marcel Mol <marcel@xxxxxxx>
> + *
> + *  This program is free software; you can redistribute it and/or modify
> + *  it under the terms of the GNU General Public License as published by
> + *  the Free Software Foundation; either version 2 of the License, or
> + *  (at your option) any later version.
> + *
> + *  This program is distributed in the hope that it will be useful,
> + *  but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *  GNU General Public License for more details.
> + *
> + *  You should have received a copy of the GNU General Public License
> + *  along with this program; if not, write to the Free Software
> + *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
> + *
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include <config.h>
> +#endif
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <errno.h>
> +#include <glib.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <arpa/inet.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +
> +#include <openobex/obex.h>
> +#include <openobex/obex_const.h>
> +
> +#include "plugin.h"
> +#include "log.h"
> +#include "obex.h"
> +#include "service.h"
> +#include "phonebook.h"
> +#include "mimetype.h"
> +#include "filesystem.h"
> +#include "dbus.h"
> +
> +#define IRMC_CHANNEL	17

we did have a list of defined RFCOMM channels for various protocols, but
just don't remember where it is.

Johan, we should put that into the doc/ directory actually. Can you dig
up that list and commit it as text file.

> +
> +#define IRMC_RECORD "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>	\
> +<record>								\
> +  <attribute id=\"0x0001\">						\
> +    <sequence>								\
> +      <uuid value=\"0x1104\"/>						\
> +    </sequence>								\
> +  </attribute>								\
> +									\
> +  <attribute id=\"0x0004\">						\
> +    <sequence>								\
> +      <sequence>							\
> +        <uuid value=\"0x0100\"/>					\
> +      </sequence>							\
> +      <sequence>							\
> +        <uuid value=\"0x0003\"/>					\
> +        <uint8 value=\"%u\" name=\"channel\"/>				\
> +      </sequence>							\
> +      <sequence>							\
> +        <uuid value=\"0x0008\"/>					\
> +      </sequence>							\
> +    </sequence>								\
> +  </attribute>								\
> +									\
> +  <attribute id=\"0x0009\">						\
> +    <sequence>								\
> +      <sequence>							\
> +        <uuid value=\"0x1104\"/>					\
> +        <uint16 value=\"0x0100\" name=\"version\"/>			\
> +      </sequence>							\
> +    </sequence>								\
> +  </attribute>								\
> +									\
> +  <attribute id=\"0x0100\">						\
> +    <text value=\"%s\" name=\"name\"/>					\
> +  </attribute>								\
> +									\
> +  <attribute id=\"0x0301\">						\
> +    <sequence>								\
> +      <uint8 value=\"0x01\"/>						\
> +    </sequence>								\
> +  </attribute>								\
> +</record>"
> +
> +
> +struct aparam_header {
> +	uint8_t tag;
> +	uint8_t len;
> +	uint8_t val[0];
> +} __attribute__ ((packed));
> +
> +#define DIDLEN 18
> +struct irmc_session {
> +	struct obex_session *os;
> +	struct apparam_field *params;
> +	uint16_t entries;
> +	GString *buffer;
> +	char sn[DIDLEN];
> +	char did[DIDLEN];
> +	char manu[DIDLEN];
> +	char model[DIDLEN];
> +};

What is DIDLEN.

> +
> +#define IRMC_TARGET_SIZE 9
> +
> +static const guint8 IRMC_TARGET[IRMC_TARGET_SIZE] = {
> +			0x49, 0x52, 0x4d, 0x43,  0x2d, 0x53, 0x59, 0x4e, 0x43 };
> +
> +static void phonebook_size_result(const char *buffer, size_t bufsize,
> +				int vcards, int missed, void *user_data)
> +{
> +	struct irmc_session *irmc = user_data;
> +
> +	DBG("vcards %d", vcards);
> +
> +	irmc->params->maxlistcount = vcards;
> +}
> +
> +static void query_result(const char *buffer, size_t bufsize, int vcards,
> +					int missed, void *user_data)
> +{
> +	struct irmc_session *irmc = user_data;
> +	const char *s;
> +	char *t;
> +
> +	DBG("bufsize %d vcards %d missed %d", bufsize, vcards, missed);
> +
> +	// first create an empty 'owner' vcard

As Luiz already mentioned, please use /* */ style comments.

> +	t = "BEGIN:VCARD\r\n"
> +		"VERSION:2.1\r\n"
> +		"N:\r\n"
> +		"TEL:\r\n"
> +		"X-IRMX-LUID:0\r\n"
> +		"END:VCARDi\r\n";

You really wanna use const char *t here. And I would even prefer if you
make that one static and global.

> +	if (!irmc->buffer)
> +		irmc->buffer = g_string_new_len(t, strlen(t));
> +	else
> +		irmc->buffer = g_string_append_len(irmc->buffer, t, strlen(t));

Why the string_append_len. Just append it it.

> +	// loop around buffer and add X-IRMC-LUID attribs
> +	s = buffer;
> +	while ((t = strstr(s, "UID:")) != NULL) {
> +		// add upto UID: into buffer
> +		irmc->buffer = g_string_append_len(irmc->buffer, s, t-s);
> +		// add UID: line into buffer
> +		// Not sure if UID is still needed if X-IRMC-LUID is there
> +		s = t;
> +		t = strstr(s, "\r\n");
> +		t += 2;
> +		irmc->buffer = g_string_append_len(irmc->buffer, s, t-s);
> +		// add X-IRMC-LUID with same number as UID
> +		irmc->buffer = g_string_append_len(irmc->buffer,
> +							"X-IRMC-LUID:", 12);
> +		s += 4; // point to uid number
> +		irmc->buffer = g_string_append_len(irmc->buffer, s, t-s);
> +		s = t;
> +	}
> +	// add remaining bit of buffer
> +	irmc->buffer = g_string_append_len(irmc->buffer, s,
> +							bufsize - (s-buffer));
> +
> +	obex_object_set_io_flags(irmc, G_IO_IN, 0);
> +}
> +
> +static void *irmc_connect(struct obex_session *os, int *err)
> +{
> +	struct irmc_session *irmc;
> +	struct apparam_field *param;
> +
> +	DBG("");
> +
> +	manager_register_session(os);
> +
> +	irmc = g_new0(struct irmc_session, 1);
> +	irmc->os = os;
> +
> +	/*
> +	 * ideally get capabilities info here and use that to define
> +	 * IrMC DID and SN etc parameters.
> +	 * For now lets used hostname and some 'random' value
> +	 */
> +	gethostname(irmc->did, DIDLEN);
> +	strncpy(irmc->sn, "12345", DIDLEN);
> +	strncpy(irmc->manu, "obex", DIDLEN);
> +	strncpy(irmc->model, "mymodel", DIDLEN);
> +
> +	/*
> +         *  we need to know the number of contact/cal/nt entries
> +         *  somewhere so why not do it now.
> +         */
> +	param = g_new0(struct apparam_field, 1);
> +	param->maxlistcount = 0; // to count the number of vcards...
> +	param->filter = 0x200085; // UID TEL N VERSION
> +	irmc->params = param;
> +	phonebook_pull("telecom/pb.vcf", irmc->params, phonebook_size_result,
> +									irmc);
> +
> +	if (err)
> +		*err = 0;
> +
> +	return irmc;
> +}
> +
> +static int irmc_get(struct obex_session *os, obex_object_t *obj,
> +		gboolean *stream, void *user_data)
> +{
> +	struct irmc_session *irmc = user_data;
> +	const char *type = obex_get_type(os);
> +	const char *name = obex_get_name(os);
> +	char *path;
> +	int ret;
> +
> +	DBG("name %s type %s irmc %p", name, type ? type : "NA", irmc);
> +
> +	path = g_strdup(name);
> +	*stream = TRUE;
> +
> +	ret = obex_get_stream_start(os, path);
> +
> +	g_free(path);
> +
> +	return ret;
> +}
> +
> +static void irmc_disconnect(struct obex_session *os, void *user_data)
> +{
> +	struct irmc_session *irmc = user_data;
> +
> +	DBG("");
> +
> +	manager_unregister_session(os);
> +
> +        if (irmc->params) {
> +                if (irmc->params->searchval)
> +			g_free(irmc->params->searchval);
> +                g_free(irmc->params);
> +        }
> +	if (irmc->buffer) {
> +		string_free(irmc->buffer);
> +		irmc->buffer = NULL;
> +	}
> +
> +	g_free(irmc);
> +}
> +
> +static int irmc_chkput(struct obex_session *os, void *user_data)
> +{
> +	DBG("");
> +	/* Reject all PUTs */
> +	return -EBADR;
> +}
> +
> +static void *irmc_open_devinfo(struct irmc_session *irmc, int *err)
> +{
> +	char mybuf[1024];
> +
> +	sprintf(mybuf, "MANU:%s\r\n"
> +			"MOD:%s\r\n"
> +			"SN:%s\r\n"
> +			"PB-TYPE-TX:VCARD2.1\r\n",
> +			irmc->manu, irmc->model, irmc->sn);
> +
> +	if (!irmc->buffer)
> +		irmc->buffer = g_string_new(mybuf);
> +	else
> +		irmc->buffer = g_string_append(irmc->buffer, mybuf);

We have something that is called g_string_append_printf(). Use that one
and not allocate a buf up-front.

> +
> +	return irmc;
> +}
> +
> +static void *irmc_open_pb(const char *name,
> +		 struct irmc_session *irmc, int *err)
> +{
> +	char mybuf[1024];
> +	int ret;
> +
> +	if (!g_strcmp0(name, ".vcf")) {
> +		// how can we tell if the vcard count call already finished?
> +		ret = phonebook_pull("telecom/pb.vcf", irmc->params,
> +							query_result, irmc);
> +		if (ret < 0) {
> +			DBG("phonebook_pull failed...");
> +			goto fail;
> +		}
> +		return irmc;
> +	}
> +
> +	if (!g_strcmp0(name, "/info.log")) {
> +		sprintf(mybuf, "Total-Records:%d\r\n"
> +				"Maximum-Records:%d\r\n"
> +				"DID:%s\r\n",
> +				irmc->params->maxlistcount,
> +				irmc->params->maxlistcount, irmc->did);
> +	}

Same here. A GLib _printf() function is way better usage.

> +	else if (!strncmp(name, "/luid/", 6)) {
> +		name += 6;
> +		if (!g_strcmp0(name, "cc.log"))
> +			sprintf(mybuf, "%d\r\n", irmc->params->maxlistcount);
> +		else {
> +			int l = strlen(name);
> +			/* FIXME
> +			 * reply the same to any *.log so we hopefully force a
> +			 * full phonebook dump.
> +			 * Is IEL:2 ok?
> +			 */
> +			if (l > 4 && !g_strcmp0(name + l - 4, ".log")) {
> +				DBG("changelog request, force whole book");
> +				sprintf(mybuf, "SN:%s\r\n"
> +						"IEL:2\r\n"
> +						"DID:%s\r\n"
> +						"Total-Records:%d\r\n"
> +						"Maximum-Records:%d\r\n"
> +						"*\r\n",
> +					irmc->sn, irmc->did,
> +					irmc->params->maxlistcount,
> +					irmc->params->maxlistcount);
> +			}
> +			else {
> +				ret = -EBADR;
> +				goto fail;
> +			}
> +		}
> +	}
> +	else {
> +		ret = -EBADR;
> +		goto fail;
> +	}
> +
> +	if (!irmc->buffer)
> +		irmc->buffer = g_string_new(mybuf);
> +	else
> +		irmc->buffer = g_string_append(irmc->buffer, mybuf);
> +
> +	return irmc;
> +
> +fail:
> +	if (err)
> +		*err = ret;
> +
> +	return NULL;
> +}
> +
> +static void *irmc_open_cal(const char *name,
> +		 struct irmc_session *irmc, int *err)
> +{
> +	// no suport yet. Just return an empty buffer
> +	//cal.vcs
> +	DBG("unsupported, returning empty buffer");
> +	if (!irmc->buffer)
> +		irmc->buffer = g_string_new("");
> +	else
> +		irmc->buffer = g_string_append(irmc->buffer, "");
> +
> +	return irmc;

Empty buffer is empty buffer. Just return it.

> +}
> +
> +static void *irmc_open_nt(const char *name,
> +		 struct irmc_session *irmc, int *err)
> +{
> +	// no suport yet. Just return an empty buffer
> +	//nt.vnt
> +	DBG("unsupported, returning empty buffer");
> +	if (!irmc->buffer)
> +		irmc->buffer = g_string_new("");
> +	else
> +		irmc->buffer = g_string_append(irmc->buffer, "");
> +
> +	return irmc;

Same here.

> +}
> +
> +static void *irmc_open(const char *name, int oflag, mode_t mode,
> +		void *context, size_t *size, int *err)
> +{
> +	struct irmc_session *irmc = context;
> +	int ret;
> +	const char *p;
> +
> +	DBG("name %s context %p", name, context);
> +	if (oflag != O_RDONLY) {
> +		ret = -EPERM;
> +		goto fail;
> +	}
> +	if (strncmp(name, "telecom/", 8) != NULL) {
> +		ret = -EBADR;
> +		goto fail;
> +	}
> +
> +	p = name + 8;
> +	if (!g_strcmp0(p, "devinfo.txt"))
> +		return irmc_open_devinfo(irmc, err);
> +	else if (!strncmp(p, "pb", 2))
> +		return irmc_open_pb(p+2, irmc, err);
> +	else if (!strncmp(p, "cal", 3))
> +		return irmc_open_cal(p+3, irmc, err);
> +	else if (!strncmp(p, "nt", 2))
> +		return irmc_open_nt(p+2, irmc, err);
> +
> +fail:
> +	if (err)
> +		*err = ret;
> +
> +	return NULL;
> +}
> +
> +static int irmc_close(void *object)
> +{
> +	struct irmc_session *irmc = object;
> +
> +	DBG("");
> +	if (irmc->buffer) {
> +		string_free(irmc->buffer);
> +		irmc->buffer = NULL;
> +	}
> +
> +	return 0;
> +}
> +
> +static ssize_t irmc_read(void *object, void *buf, size_t count, uint8_t *hi)
> +{
> +	struct irmc_session *irmc = object;
> +        int len;
> +
> +	DBG("buffer %p count %d", irmc->buffer, count);
> +	if (!irmc->buffer)
> +                return -EAGAIN;
> +
> +        *hi = OBEX_HDR_BODY;
> +	len = string_read(irmc->buffer, buf, count);
> +	DBG("returning %d bytes", len);
> +	return len;
> +}
> +
> +static struct obex_mime_type_driver irmc_driver = {
> +	.target = IRMC_TARGET,
> +	.target_size = IRMC_TARGET_SIZE,
> +	.open = irmc_open,
> +	.close = irmc_close,
> +	.read = irmc_read,
> +};
> +
> +static struct obex_service_driver irmc = {
> +	.name = "IRMC Sync server",
> +	.service = OBEX_IRMC,
> +	.channel = IRMC_CHANNEL,
> +	.record = IRMC_RECORD,
> +	.target = IRMC_TARGET,
> +	.target_size = IRMC_TARGET_SIZE,
> +	.connect = irmc_connect,
> +	.get = irmc_get,
> +	.disconnect = irmc_disconnect,
> +	.chkput = irmc_chkput
> +};
> +
> +static int irmc_init(void)
> +{
> +	int err;
> +
> +	DBG("");
> +	err = phonebook_init();
> +	if (err < 0)
> +		return err;
> +
> +	err = obex_mime_type_driver_register(&irmc_driver);
> +	if (err < 0)
> +		return err;

Don't you need to phonebook_exit() here?

> +
> +	return obex_service_driver_register(&irmc);
> +}

Also what happens if this one fails. You do need to clean up.

> +
> +static void irmc_exit(void)
> +{
> +	DBG("");
> +	obex_service_driver_unregister(&irmc);
> +	obex_mime_type_driver_unregister(&irmc_driver);
> +	phonebook_exit();
> +}
> +
> +OBEX_PLUGIN_DEFINE(irmc, irmc_init, irmc_exit)
> diff --git a/src/main.c b/src/main.c
> index 649acf9..96523a6 100644
> --- a/src/main.c
> +++ b/src/main.c
> @@ -83,6 +83,7 @@ static gboolean option_pbap = FALSE;
>  static gboolean option_pcsuite = FALSE;
>  static gboolean option_symlinks = FALSE;
>  static gboolean option_syncevolution = FALSE;
> +static gboolean option_irmc = FALSE;
>  
>  static gboolean parse_debug(const char *key, const char *value,
>  				gpointer user_data, GError **error)
> @@ -122,6 +123,8 @@ static GOptionEntry options[] = {
>  				"Enable PC Suite Services server" },
>  	{ "syncevolution", 'e', 0, G_OPTION_ARG_NONE, &option_syncevolution,
>  				"Enable OBEX server for SyncEvolution" },
> +	{ "irmc", 'i', 0, G_OPTION_ARG_NONE, &option_irmc,
> +				"Enable IrMCSync server" },
>  	{ NULL },
>  };

Just put irmc before syncevolution. Like nicer ;)

>  
> @@ -208,9 +211,10 @@ int main(int argc, char *argv[])
>  
>  	if (option_opp == FALSE && option_ftp == FALSE &&
>  				option_pbap == FALSE &&
> -				option_syncevolution == FALSE) {
> +				option_syncevolution == FALSE &&
> +				option_irmc == FALSE) {
>  		fprintf(stderr, "No server selected (use either "
> -				"--opp, --ftp, --pbap or --syncevolution)\n");
> +				"--opp, --ftp, --pbap --syncevolution or --irmc)\n");
>  		exit(EXIT_FAILURE);
>  	}

Same here. Leave syncevolution at the end.

>  
> @@ -270,6 +274,10 @@ int main(int argc, char *argv[])
>  		obex_server_init(OBEX_SYNCEVOLUTION, NULL, TRUE, FALSE,
>  							FALSE, NULL);
>  
> +	if (option_irmc == TRUE)
> +		obex_server_init(OBEX_IRMC, NULL, TRUE, FALSE, FALSE,
> +				option_capability);
> +

And here again.

>  	if (!root_folder_setup(option_root, option_root_setup)) {
>  		error("Unable to setup root folder %s", option_root);
>  		exit(EXIT_FAILURE);
> diff --git a/src/obex.h b/src/obex.h
> index 9424b6b..cfe9159 100644
> --- a/src/obex.h
> +++ b/src/obex.h
> @@ -35,6 +35,7 @@
>  #define OBEX_PBAP	(1 << 4)
>  #define OBEX_PCSUITE	(1 << 5)
>  #define OBEX_SYNCEVOLUTION	(1 << 6)
> +#define OBEX_IRMC	(1 << 7)
>  

And here as well. Just use 1 << 6 for IRMC and move SYNCEVO to 1 << 7.

>  #define TARGET_SIZE 16
>  

Regards

Marcel


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