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| author | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 | 
|---|---|---|
| committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 | 
| commit | ab959d7b4194715870128e616b8e29d4a101e488 (patch) | |
| tree | 61a746231d30817be73416a7d67763fd677a1042 /lib/libesg/bootstrap | |
| parent | 6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff) | |
| download | linux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz | |
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to 'lib/libesg/bootstrap')
| -rw-r--r-- | lib/libesg/bootstrap/Makefile | 24 | ||||
| -rw-r--r-- | lib/libesg/bootstrap/access_descriptor.c | 115 | ||||
| -rw-r--r-- | lib/libesg/bootstrap/access_descriptor.h | 86 | ||||
| -rw-r--r-- | lib/libesg/bootstrap/provider_discovery_descriptor.c | 50 | ||||
| -rw-r--r-- | lib/libesg/bootstrap/provider_discovery_descriptor.h | 59 | 
5 files changed, 334 insertions, 0 deletions
| diff --git a/lib/libesg/bootstrap/Makefile b/lib/libesg/bootstrap/Makefile new file mode 100644 index 0000000..16a2457 --- /dev/null +++ b/lib/libesg/bootstrap/Makefile @@ -0,0 +1,24 @@ +# Makefile for linuxtv.org dvb-apps/lib/libesg/bootstrap + +.PHONY: sub-error-bootstrap + +sub-error-bootstrap: +	$(error You can't use this makefile directly.) + +ifneq ($(lib_name),) + +objects += bootstrap/access_descriptor.o \ +           bootstrap/provider_discovery_descriptor.o + +sub-install += bootstrap + +else + +includes = access_descriptor.h \ +           provider_discovery_descriptor.h + +include ../../../Make.rules + +lib_name = libesg/bootstrap + +endif diff --git a/lib/libesg/bootstrap/access_descriptor.c b/lib/libesg/bootstrap/access_descriptor.c new file mode 100644 index 0000000..e8f89a3 --- /dev/null +++ b/lib/libesg/bootstrap/access_descriptor.c @@ -0,0 +1,115 @@ +/* + * ESG parser + * + * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA + */ + +#include <stdlib.h> +#include <string.h> + +#include <libesg/bootstrap/access_descriptor.h> + +struct esg_access_descriptor *esg_access_descriptor_decode(uint8_t *buffer, uint32_t size) { +	uint32_t pos; +	struct esg_access_descriptor *access_descriptor; +	struct esg_entry *entry; +	struct esg_entry *last_entry; +	uint32_t entry_length; +	uint16_t entry_index; +	uint8_t ip_index; + +	if ((buffer == NULL) || (size <= 2)) { +		return NULL; +	} + +	pos = 0; + +	access_descriptor = (struct esg_access_descriptor *) malloc(sizeof(struct esg_access_descriptor)); +	memset(access_descriptor, 0, sizeof(struct esg_access_descriptor)); +	access_descriptor->entry_list = NULL; + +	access_descriptor->n_o_entries = (buffer[pos] << 8) | buffer[pos+1]; +	pos += 2; + +    last_entry = NULL; +	for (entry_index = 0; entry_index < access_descriptor->n_o_entries; entry_index++) { +		entry = (struct esg_entry *) malloc(sizeof(struct esg_entry)); +		memset(entry, 0, sizeof(struct esg_entry)); +		entry->_next = NULL; + +		if (last_entry == NULL) { +			access_descriptor->entry_list = entry; +		} else { +			last_entry->_next = entry; +		} +		last_entry = entry; + +		entry->version = buffer[pos]; +		pos += 1; + +		pos += vluimsbf8(buffer + pos, size - pos, &entry_length); + +		if (size < pos + entry_length) { +			esg_access_descriptor_free(access_descriptor); +			return NULL; +		} + +		entry->multiple_stream_transport = (buffer[pos] & 0x80) ? 1 : 0; +		entry->ip_version_6 = (buffer[pos] & 0x40) ? 1 : 0; +		pos += 1; + +		entry->provider_id = (buffer[pos] << 8) | buffer[pos+1]; +		pos += 2; + +		if (entry->ip_version_6) { +			for (ip_index = 0; ip_index < 16; ip_index++) { +				entry->source_ip.ipv6[ip_index] = buffer[pos+ip_index]; +				entry->destination_ip.ipv6[ip_index] = buffer[pos+16+ip_index]; +			} +			pos += 32; +		} else { +			for (ip_index = 0; ip_index < 4; ip_index++) { +				entry->source_ip.ipv4[ip_index] = buffer[pos+ip_index]; +				entry->destination_ip.ipv4[ip_index] = buffer[pos+4+ip_index]; +			} +			pos += 8; +		} +		entry->port = (buffer[pos] << 8) | buffer[pos+1]; +		pos += 2; + +		entry->tsi = (buffer[pos] << 8) | buffer[pos+1]; +		pos += 2; +	} + +	return access_descriptor; +} + +void esg_access_descriptor_free(struct esg_access_descriptor *access_descriptor) { +	struct esg_entry *entry; +	struct esg_entry *next_entry; + +	if (access_descriptor == NULL) { +		return; +    } + +	for(entry = access_descriptor->entry_list; entry; entry = next_entry) { +		next_entry = entry->_next; +		free(entry); +	} + +	free(access_descriptor); +} diff --git a/lib/libesg/bootstrap/access_descriptor.h b/lib/libesg/bootstrap/access_descriptor.h new file mode 100644 index 0000000..49aec46 --- /dev/null +++ b/lib/libesg/bootstrap/access_descriptor.h @@ -0,0 +1,86 @@ +/* + * ESG parser + * + * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA + */ + +#ifndef _ESG_BOOTSTRAP_ACCESS_DESCRIPTOR_H +#define _ESG_BOOTSTRAP_ACCESS_DESCRIPTOR_H 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <libesg/types.h> + +/** + * esg_entry structure. + */ +struct esg_entry { +	uint8_t version; +	uint8_t multiple_stream_transport; +	uint8_t ip_version_6; +	uint16_t provider_id; +	union esg_ip_address source_ip; +	union esg_ip_address destination_ip; +	uint16_t port; +	uint16_t tsi; + +	struct esg_entry *_next; +}; + +/** + * esg_access_descriptor structure. + */ +struct esg_access_descriptor { +	uint16_t n_o_entries; +	struct esg_entry *entry_list; +}; + +/** + * Process an esg_access_descriptor. + * + * @param buffer Binary buffer to decode. + * @param size Binary buffer size. + * @return Pointer to an esg_access_descriptor structure, or NULL on error. + */ +extern struct esg_access_descriptor *esg_access_descriptor_decode(uint8_t *buffer, uint32_t size); + +/** + * Free an esg_access_descriptor. + * + * @param esg Pointer to an esg_access_descriptor structure. + */ +extern void esg_access_descriptor_free(struct esg_access_descriptor *access_descriptor); + +/** + * Convenience iterator for esg_entry_list field of an esg_access_descriptor. + * + * @param access_descriptor The esg_access_descriptor pointer. + * @param entry Variable holding a pointer to the current esg_entry. + */ +#define esg_access_descriptor_entry_list_for_each(access_descriptor, entry) \ +	for ((entry) = (access_descriptor)->entry_list; \ +	     (entry); \ +	     (entry) = (entry)->_next) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/lib/libesg/bootstrap/provider_discovery_descriptor.c b/lib/libesg/bootstrap/provider_discovery_descriptor.c new file mode 100644 index 0000000..833a038 --- /dev/null +++ b/lib/libesg/bootstrap/provider_discovery_descriptor.c @@ -0,0 +1,50 @@ +/* + * ESG parser + * + * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA + */ + +#include <stdlib.h> +#include <string.h> + +#include <libesg/bootstrap/provider_discovery_descriptor.h> + +struct esg_provider_discovery_descriptor *esg_esg_provider_discovery_descriptor_decode(uint8_t *buffer, uint32_t size) { +	struct esg_provider_discovery_descriptor *provider; + +	provider = (struct esg_provider_discovery_descriptor *) malloc(sizeof(struct esg_provider_discovery_descriptor)); +	memset(provider, 0, sizeof(struct esg_provider_discovery_descriptor)); + +	provider->xml = (uint8_t *) malloc(size); +	memcpy(provider->xml, buffer, size); + +	provider->size = size; + +	return provider; +} + +void esg_provider_discovery_descriptor_free(struct esg_provider_discovery_descriptor *provider) { +	if (provider == NULL) { +		return; +	} + +	if (provider->xml) { +		free(provider->xml); +	} + +	free(provider); +} diff --git a/lib/libesg/bootstrap/provider_discovery_descriptor.h b/lib/libesg/bootstrap/provider_discovery_descriptor.h new file mode 100644 index 0000000..36065ec --- /dev/null +++ b/lib/libesg/bootstrap/provider_discovery_descriptor.h @@ -0,0 +1,59 @@ +/* + * ESG parser + * + * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA + */ + +#ifndef _ESG_BOOTSTRAP_PROVIDER_DISCOVERY_DESCRIPTOR_H +#define _ESG_BOOTSTRAP_PROVIDER_DISCOVERY_DESCRIPTOR_H 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <stdint.h> + +/** + * esg_provider_discovery_descriptor structure. + */ +struct esg_provider_discovery_descriptor { +	uint8_t *xml; +	uint32_t size; +}; + +/** + * Process an esg_provider_discovery_descriptor. + * + * @param buffer Binary buffer to decode. + * @param size Binary buffer size. + * @return Pointer to an esg_provider_discovery_descriptor structure, or NULL on error. + */ +extern struct esg_provider_discovery_descriptor *esg_esg_provider_discovery_descriptor_decode(uint8_t *buffer, uint32_t size); + +/** + * Free an esg_provider_discovery_descriptor. + * + * @param esg Pointer to an esg_provider_discovery_descriptor structure. + */ +extern void esg_provider_discovery_descriptor_free(struct esg_provider_discovery_descriptor *provider); + +#ifdef __cplusplus +} +#endif + +#endif | 
