C++ (Cpp) write_data_buffer Examples

Example #1

File: file_sync_client.c Project: phybio/adb

static int sync_send(int fd, const char *lpath, const char *rpath,
                     unsigned mtime, mode_t mode, int show_progress)
{
    syncmsg msg;
    int len, r;
    syncsendbuf *sbuf = &send_buffer;
    char* file_buffer = NULL;
    int size = 0;
    char tmp[64];

    len = strlen(rpath);
    if(len > 1024) goto fail;

    snprintf(tmp, sizeof(tmp), ",%d", mode);
    r = strlen(tmp);

    msg.req.id = ID_SEND;
    msg.req.namelen = htoll(len + r);

    if(writex(fd, &msg.req, sizeof(msg.req)) ||
       writex(fd, rpath, len) || writex(fd, tmp, r)) {
        free(file_buffer);
        goto fail;
    }

    if (file_buffer) {
        write_data_buffer(fd, file_buffer, size, sbuf, show_progress);
        free(file_buffer);
    } else if (S_ISREG(mode))
        write_data_file(fd, lpath, sbuf, show_progress);
#ifdef HAVE_SYMLINKS
    else if (S_ISLNK(mode))
        write_data_link(fd, lpath, sbuf);
#endif
    else
        goto fail;

    msg.data.id = ID_DONE;
    msg.data.size = htoll(mtime);
    if(writex(fd, &msg.data, sizeof(msg.data)))
        goto fail;

    if(readx(fd, &msg.status, sizeof(msg.status)))
        return -1;

    if(msg.status.id != ID_OKAY) {
        if(msg.status.id == ID_FAIL) {
            len = ltohl(msg.status.msglen);
            if(len > 256) len = 256;
            if(readx(fd, sbuf->data, len)) {
                return -1;
            }
            sbuf->data[len] = 0;
        } else
            strcpy(sbuf->data, "unknown reason");

        fprintf(stderr,"failed to copy '%s' to '%s': %s\n", lpath, rpath, sbuf->data);
        return -1;
    }

    return 0;

fail:
    fprintf(stderr,"protocol failure\n");
    adb_close(fd);
    return -1;
}

Example #2

File: file_sync_client.c Project: 0omega/platform_system_core

static int sync_send(int fd, const char *lpath, const char *rpath,
                     unsigned mtime, mode_t mode, int verifyApk)
{
    syncmsg msg;
    int len, r;
    syncsendbuf *sbuf = &send_buffer;
    char* file_buffer = NULL;
    int size = 0;
    char tmp[64];

    len = strlen(rpath);
    if(len > 1024) goto fail;

    snprintf(tmp, sizeof(tmp), ",%d", mode);
    r = strlen(tmp);

    if (verifyApk) {
        int lfd;
        zipfile_t zip;
        zipentry_t entry;
        int amt;

        // if we are transferring an APK file, then sanity check to make sure
        // we have a real zip file that contains an AndroidManifest.xml
        // this requires that we read the entire file into memory.
        lfd = adb_open(lpath, O_RDONLY);
        if(lfd < 0) {
            fprintf(stderr,"cannot open '%s': %s\n", lpath, strerror(errno));
            return -1;
        }

        size = adb_lseek(lfd, 0, SEEK_END);
        if (size == -1 || -1 == adb_lseek(lfd, 0, SEEK_SET)) {
            fprintf(stderr, "error seeking in file '%s'\n", lpath);
            adb_close(lfd);
            return 1;
        }

        file_buffer = (char *)malloc(size);
        if (file_buffer == NULL) {
            fprintf(stderr, "could not allocate buffer for '%s'\n",
                    lpath);
            adb_close(lfd);
            return 1;
        }
        amt = adb_read(lfd, file_buffer, size);
        if (amt != size) {
            fprintf(stderr, "error reading from file: '%s'\n", lpath);
            adb_close(lfd);
            free(file_buffer);
            return 1;
        }

        adb_close(lfd);

        zip = init_zipfile(file_buffer, size);
        if (zip == NULL) {
            fprintf(stderr, "file '%s' is not a valid zip file\n",
                    lpath);
            free(file_buffer);
            return 1;
        }

        entry = lookup_zipentry(zip, "AndroidManifest.xml");
        release_zipfile(zip);
        if (entry == NULL) {
            fprintf(stderr, "file '%s' does not contain AndroidManifest.xml\n",
                    lpath);
            free(file_buffer);
            return 1;
        }
    }

    msg.req.id = ID_SEND;
    msg.req.namelen = htoll(len + r);

    if(writex(fd, &msg.req, sizeof(msg.req)) ||
       writex(fd, rpath, len) || writex(fd, tmp, r)) {
        free(file_buffer);
        goto fail;
    }

    if (file_buffer) {
        write_data_buffer(fd, file_buffer, size, sbuf);
        free(file_buffer);
    } else if (S_ISREG(mode))
        write_data_file(fd, lpath, sbuf);
#ifdef HAVE_SYMLINKS
    else if (S_ISLNK(mode))
        write_data_link(fd, lpath, sbuf);
#endif
    else
        goto fail;

    msg.data.id = ID_DONE;
    msg.data.size = htoll(mtime);
    if(writex(fd, &msg.data, sizeof(msg.data)))
        goto fail;

    if(readx(fd, &msg.status, sizeof(msg.status)))
        return -1;

    if(msg.status.id != ID_OKAY) {
        if(msg.status.id == ID_FAIL) {
            len = ltohl(msg.status.msglen);
            if(len > 256) len = 256;
            if(readx(fd, sbuf->data, len)) {
                return -1;
            }
            sbuf->data[len] = 0;
        } else
            strcpy(sbuf->data, "unknown reason");

        fprintf(stderr,"failed to copy '%s' to '%s': %s\n", lpath, rpath, sbuf->data);
        return -1;
    }

    return 0;

fail:
    fprintf(stderr,"protocol failure\n");
    adb_close(fd);
    return -1;
}